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LCD TV SERVICE MANUAL
CHASSIS : ML-024D

MODEL : RZ-20LA70
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

P/NO : 3828VD0168C

Oct.,2003 Printed in Korea

CONTENTS

CONTENTS .............................................................................................. 2 PRODUCT SAFETY ..................................................................................3 DESCRIPTION OF CONTROLS .............................................................. 4 ADJUSTMENT INSTRUCTION .................................................................7 TROUBLE SHOOTING ............................................................................13 PRINTED CIRCUIT BOARD ....................................................................14 BLOCK DIAGRAM...................................................................................17 EXPLODED VIEW .................................................................................. 18 EXPLODED VIEW PARTS LIST ..............................................................19 REPLACEMENT PARTS LIST ............................................................... 20 SVC. Sheet .................................................................................................

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PRODUCT SAFETY
IMPORTANT SAFETY NOTICE
This manual was prepared for use only by properly trained audiovisual service technicians. When servicing this product, under no circumstances should the original design be modified or altered without permission from LG Electronics Inc. All components should be replaced only with types identical to those in the original circuit and their physical location, wiring, and lead dress must conform to original layout upon completion of repairs. If any fuse (or Fusible Resistor) in this TV receiver is blown, replace it only with the factory specified fuse type and rating. When replacing a high wattage resistor (Oxide Metal Film Resistor, over 1W), keep the resistor 10mm away from PCB. Always keep wires away from high voltage or high temperature parts. Special components are also used to prevent shock and fire hazard. These components are indicated by the letter "x" included in their component designators and are required to maintain safe performance. No deviations are allowed without prior approval by LG Electronics Inc. Service work should be performed only after you are thoroughly familiar with these safety checks and servicing guidelines. Circuit diagrams may occasionally differ from the actual circuit used. This way, implementation of the latest safety and performance improvement changes into the set is not delayed until the new service literature is printed. CAUTION: Do not attempt to modify this product in any way. Never perform customized installations without manufacturer's approval. Unauthorized modifications will not only void the warranty, but may lead to property damage or user injury. 1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any electrostatic charge on the body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging wrist strap device, which should be removed for potential shock reasons prior to applying power to the unit under test. 2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as an ESD mat, to prevent electrostatic charge buildup or exposure of the assembly. 3. Use only a grounded-tip soldering iron to solder or unsolder ES devices. 4. Use only an anti-static solder removal device. Some solder removal devices not classified as "anti-static" can generate electrical charges sufficient to damage ES devices. 5. Do not use freon-propelled chemicals. These can generate electrical charge sufficient to damage ES devices. 6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil, or comparable conductive material.) 7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material to the chassis or circuit assembly into which the device will be installed. Caution: Be sure no power is applied to the chassis or circuit, and observe all other safety precautions. 8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise, seemingly harmless motion, such as the brushing together of your clothing or the lifting of your foot from a carpeted floor, can generate static electricity sufficient to damage an ES device.)

GENERAL GUIDANCE
An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line. Use a transformer of adequate power rating to protect against personal injury from electrical shocks. It will also protect the receiver and its components from being damaged by accidental shorts of the circuitry that may be inadvertently introduced during the service operation. Before returning the receiver to the customer, always perform an AC leakage current check on the exposed metallic parts of the cabinet, such as antennas, terminals, etc., to be sure the set is safe to operate without damage of electrical shock.

LEAKAGE CURRENT COLD CHECK (ANTENNA COLD CHECK)
With the instrument's AC plug removed from AC source, connect an electrical jumper across the two AC plug prongs. Place the AC switch in the on position, connect one lead of ohm-meter to the AC plug prongs tied together, and touch other ohm-meter lead in turn to each exposed metallic parts such as antenna terminals, phone jacks, etc. If the exposed metallic part has a return path to the chassis, the measured resistance should be between 1M and 5.2M. When the exposed metal has no return path to the chassis the reading must be infinite. Any other abnormality that exists must be corrected before the receiver is returned to the customer.

ELECTROSTATICALLY SENSITIVE DEVICES Some semiconductor (solid-state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip" components. The following techniques should be used to help reduce the incidence of component damage caused by static electricity.

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DESCRIPTION OF CONTROLS

All the functions can be controlled with the remote control handset. Some functions can also be adjusted with the buttons on the side panel of the set.

Remote control handset
MUTE POWER

1
TV/AV I/II

9 10
LIST Q.VIEW MENU

Before you use the remote control handset, please install the batteries. See the next page.

2 3 4
PR

1. MUTE switches the sound on or off. 11 2. TV/AV selects TV or AV monitor mode. clears the menu from the screen. switches the set on from standby. 3. LIST displays the programme table. 4. Q.VIEW returns to the previously viewed programme. selects a favourite programme. 12 5. / E (Programme Up/Down) selects a programme or a menu item. switches the set on from standby. F / G (Volume Up/Down) adjusts the volume. adjusts menu settings. OK accepts your selection or displays the current mode.
D

5

OK
VOL PR VOL

1

2 5 8 0

3 6 9
PSM
TEXT TIME MIX REVEAL ? MODE M

6

4 7

7 8

SSM
SLEEP UPDATE SIZE HOLD INDEX i

13

6. NUMBER BUTTONS switches the set on from standby or directly select a number. 7. SSM (Sound Status Memory) recalls your preferred sound setting. 8. SLEEP sets the sleep timer.

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9. POWER switches the set on from standby or off to standby. 10. I/II selects the language during dual language broadcast. selects the sound output (option). 11. MENU selects a me 1 12. PSM (Picture Status Memory) recalls your preferred picture setting. 13. TELETEXT BUTTONS (option) These buttons are used for teletext. For further details, see the `Teletext' section.
TV/AV I/II

MUTE

POWER

9 10
LIST Q.VIEW MENU

2 3 4
PR

11

* : No function
COLOURED BUTTONS : These buttons are used for teletext (only TELETEXT models) or programme edit.

5

OK
VOL PR VOL

1

2 5 8 0

3 6 9
PSM
TEXT TIME MIX REVEAL ? MODE M

6

4 7

7 8

SSM
SLEEP UPDATE SIZE HOLD INDEX i

12

13

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Side panel RZ- 20LA70 series
9 6 5 4 3 2 1
H/P S-VIDEO VIDEO (MONO) L AV2 AUDIO R
PR VOL OK MENU TV/AV

10

7 8

Back panel

1. ON/OFF (O/I) switches the set on from standby or off to standby. Note : Power line lives even when the power is off. 2. TV/AV selects TV or AV monitor mode. clears the menu from the screen. switches the set on from standby. 3. MENU selects a menu. 4. OK accepts your selection or displays the current mode. 5. / G (Volume Up/Down) adjusts the volume. adjusts menu settings. / E (Programme Up/Down) selects a programme or a menu item. switches the set on from standby.
D F

7. POWER/STANDBY INDICATOR (O) illuminates red in standby mode. illuminates green when the set is switched on. 8. REMOTE CONTROL SENSOR 9. HEADPHONE SOCKET Connect the headphone plug to this socket. 10. AUDIO/VIDEO IN SOCKETS (AV2) Connect the audio/video out sockets of external equipment to these sockets. S-VIDEO/AUDIO IN SOCKETS (SAV) Connect the video out socket of an S-VIDEO VCR to the S-VIDEO socket. Connects the audio out sockets of the SVIDEO VCR to the audio sockets as in AV2.

/I ON/OFF

6.

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ADJUSTMENT INSTRUCTION
1. Application Object
This instruction is for the application to the LCD TV.

2. Notes
(1) This set uses an adapter, so connect the adapter and the set correctly before adjustment. (2) The adjustment must be performed under the correct sequence. (3) The adjustment must be performed in the circumstance of 25!5cC of temperature and 65!10% of relative humidity if there is no specific designation. (4) The set must be operated for 15 minutes preliminarily before adjustment if there is no specific designation. [ `Heat Run' must be performed with the full white signal or TV noise signal in the internal part of the set. [ The time for `Heat Run' can be changed owing to production plan. [ Line Test condition (TV): standard color signal 65!1dBuV

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4. Option 1 data setting (200PR ~ A2 ST:1bit, SYS:2bit composition)
OPTION 200PR Data 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEXT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 I/II SV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 SCART 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 A2 ST 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 SYS 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 OPTION 200PR Data 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEXT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 I/II SV 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 TOP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 SCART 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 A2 ST 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 SYS 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3

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OPTION 200PR Data 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

TEXT 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

I/II SV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1

TOP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0

SCART 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1

A2 ST 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1

SYS 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1

OPTION 200PR Data 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

TEXT 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

I/II SV 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

TOP 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1

SCART 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1

A2 ST 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0

SYS 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3

- 9 -

OPTION 200PR Data 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

TEXT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1

I/II SV 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0

TOP 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0

SCART 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1

A2 ST 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0

SYS 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1

OPTION 200PR Data 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 01 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

TEXT 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

I/II SV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

TOP 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1

SCART 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0

A2 ST 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1

SYS 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3

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OPTION 200PR Data 248 249 250 251 252 253 254 255 1 1 1 1 1 1 1 1

TEXT 1 1 1 1 1 1 1 1

I/II SV 1 1 1 1 1 1 1 1

TOP 1 1 1 1 1 1 1 1

SCART 1 1 1 1 1 1 1 1

A2 ST 0 0 0 0 1 1 1 1

SYS 0 1 2 3 0 1 2 3

5. Option2 data(ACMS~BBACK:1bit,LANG:3bit)
OPTION Data 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ACMS 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 VOL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 BBACK 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 LANG 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 OPTION Data 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 ACMS 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 VOL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 BBACK 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 LANG 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7

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6. Option3 data(IIC AFT~CH+AU:1bit)
OPTION Data 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 HiDEV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 TSS 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 IIC T 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 MONO 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 CH+AUS 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1

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TROUBLE SHOOTING
1. General Features
No. 1 Symptom No screen Cause Input error of inverter connector Check Point 1) Bend the pin legs of P802B connector -> recheck them 2) Check and repair IC805 SI4925. 1) Check and fix P1 connector

P1 and Pin 50 connector being slipped out Cracked components and soldering at tuner board 2 Dark screen 1) Defective LCD lamp 2) Defective inverter 3) Input error of inverter connector

1)Check and repair tuner board and main board 2)Solder Q403 1) Replace the inverter 2) Replace the LCD lamp 3) Check the connector input.

2. TV and external input
No. 1 Symptom No sound - Speaker - Earphone Cause Defective Reset IC of IC604. Defective MSP3410G of IC601. Defective B+(8V) of IC604. Check Point 1) Check volume and speaker. - Sound comes out only when being inputted into Audio L/R. 2) Check after replacing IC603. 3) Replace IC601. 4) Check and replace B+ of IC604. Check the mould of shield and SJ209, Replace shield case. 1) Check signal of Video input. 2) Check signal of R.G.B output. 3) Re-soldering

2

Video color beat noise

Earphone shield case being touched. Soldering IC501.

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PRINTED CIRCUIT BOARD
MAIN(TOP)

- 14 -

MAIN(BOTTOM)

- 15 -

POWER

CONTROL

- 16 -

BLOCK DIAGRAM

- 17 -

430 230 400

520

210

250 310 112

EXPLODED VIEW

- 18 350 330 340 360 530 560

300

120 380 370

EXPLODED VIEW PARTS LIST
No. 112 120 210 230 PART NO. 6306V20002A 6400GKTX01A 4811V00076A 4950V00192A 4950V00192C 250 4950V00188A 4950V00188B 300 3091V00587A 3091V00587C 310 330 340 350 360 370 380 400 5020V00871A 4950V00157E 4810V00767A 4810V00768A 4810V00924A 4950V00193A 4950V00194A 3809V00407A 3809V00407C 3809V00407D 430 520 530 560 3550V00383A 6871VMMR05A 6871VSMQ31A 6871VSMQ30A DESCRIPTION LCD MODULE,V201V1-T01 VGA CHIMEI TFT COLOR SPEAKER,FULLRANGE F1527C-6428 K-TONE 8OHM 7/12W 83DB OTHERS BRACKET ASSEMBLY,REAR AV RZ-20LA70 ML024D . METAL,SHIELD SBHG ML024 METAL,SHIELD SBHG 20LA70 C/SKD METAL,FRAME SBHG FOR CMO MODULE METAL,FRAME SBHG C/SKD CABINET ASSEMBLY,RZ-20LA70 NON NON ML024D SET,LGEIS CABINET ASSEMBLY,RZ-20LA70 STEREO ML024D C/SKD BUTTON,CONTROL RZ-20LA70 ABS 8KEY . METAL,HINGE ASSY NON 20LA70 BRACKET,STAND 20LA60 ML012B NON HINGE FRONT BRACKET,STAND 20LA60 ML012B NON HINGE COVER BRACKET,STAND RZ-20LA70 NON ABS . METAL,STAND SPCC(CR) BASE(20LA70) METAL,STAND SPCC(CR) SUPPORTER(LA70) BACK COVER ASSEMBLY,RZ-20LA70 NON (STUH),LGEIS BACK COVER ASSEMBLY,RZ-20LA70 1SCART 3850VC0002F(LGERU) BACK COVER ASSEMBLY,RZ-20LA70 1SCART C/SKD COVER,REAR AV RZ-20LA70 HIPS 60HR . PWB(PCB) ASSEMBLY,MAIN ML-024D RZ-20LA70 PWB(PCB) ASSEMBLY,SUB CONT ML024D 70TOOL CONTROL ASSY PWB(PCB) ASSEMBLY,SUB POWER ML024D 70TOOL POWER ASSY

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REPLACEMENT PARTS LIST
For Capacitor & Resistors, the charactors at 2nd and 3rd digit in the P/No. means as follows; CC, CX, CK, CN : Ceramic CQ : Polyestor CE : Electrolytic RD : Carbon Film RS : Metal Oxide Film RN : Metal Film RF : Fusible

LOCA. NO

PART NO

DESCRIPTION

LOCA. NO Q404 Q405

PART NO 0TR387500AA 0TR387500AA 0TR387500AA 0TR387500AA 0TR387500AA 0TR150400BA 0TR150400BA 0TR150400BA 0TR150400BA 0TR150400BA 0TR387500AA 0TR387500AA 0TR322709AA 0TR387500AA 0TR150400BA 0TF492509AA 0TF492509AA

DESCRIPTION CHIP 2SC3875S(ALY) KEC CHIP 2SC3875S(ALY) KEC CHIP 2SC3875S(ALY) KEC CHIP 2SC3875S(ALY) KEC CHIP 2SC3875S(ALY) KEC CHIP 2SA1504S(ASY) KEC CHIP 2SA1504S(ASY) KEC CHIP 2SA1504S(ASY) KEC CHIP 2SA1504S(ASY) KEC CHIP 2SA1504S(ASY) KEC CHIP 2SC3875S(ALY) KEC CHIP 2SC3875S(ALY) KEC KTC3227-Y,TP(KTC1627A),KEC CHIP 2SC3875S(ALY) KEC CHIP 2SA1504S(ASY) KEC SI4925DY TP TEMIC 30V 6.1A SO-8 SI4925DY TP TEMIC 30V 6.1A SO-8

IC
IC100 IC101 IC102 IC1101 IC1110 IC1111 IC1112 IC1121 IC1122 IC351 IC352 IC501 IC502 IC601 IC603 IC604 IC650 IC701 IC702 PC1 PC2 Q101 Q102 0ISM555000B 0IAL241610B 0IFA752700A 0IMCRO2001A 0IMCRRH005A 0IMCRRH005A 0IMCRRH005A 0IMCRMZ001A 0IMCRMZ001A 0IMCRFA010A 0ISO204000A 0IMCRTW001B 0ICTMMO005A 0IMCRMN011D 0IKE704200J 0IMCRFA009A 0IMCRTI022D 0IPMGSK012A 0IMCRFA007A 0ILI817000G 0ILI817000G 0IFA270000A 0IFA270000A SDA555XFL 52DIP ST FLASH MEMORY AT24C16A-10PI-2.7 8PIN DIP ST EEPROM KA75270Z 3 TP RE-SET IC MC-007 OZ960S O2MICRO 20P SSOP R/TP UM6K1N ROHM 6P SOT363 R/TP 30V 0.1A UM6K1N ROHM 6P SOT363 R/TP 30V 0.1A UM6K1N ROHM 6P SOT363 R/TP 30V 0.1A MP1583DN 8P TSOP R/TP DC-DC MP1583DN 8P TSOP R/TP DC-DC KA7809R, FAIRCHILD 2P D-PAK, R/TP CXA2040AQ 32P,QFP BK IIC BUS VIDEO LG8801-H TECHWELL 160P QPFD TRAY SC786109DWR2 MOTOROLA SOIC 16P MSP3410G QA B8 V3 MICRONAS 80P QFP KIA7042AF SOT-89 TP 4.2V VOLTAGE KA78M08RTM, FAIRCHILD 2P D-PAK TPA3004D2 48P PQFP TRAY 9WSTEREO STR-W6853P SANKEN 6P T0-220 ST KA431Z FAIRCHILD 3DIP,TO-92 TP LTV817M-VB 4P,DIP BK PHOTO COUPLER LTV817M-VB 4P,DIP BK PHOTO COUPLER 2N7000TA TO-92, 3P TP LEVEL SHIFT 2N7000TA TO-92, 3P TP LEVEL SHIFT

Q406 Q407 Q501 Q502 Q510 Q551 Q602 Q603 Q701 Q703 Q706 Q801 Q802 R1211 R1212

DIODE
D100 D1101 D1102 D1103 D1104 D1105 D1106 D701 0DD181009AB 0DD181009AB 0DD181009AB 0DD181009AB 0DD181009AB 0DD181009AB 0DD181009AB 0DRSA00150A 0DD100009AM 0DD100009AM 0DR060009AA 0DRSD00091A 0DR340009AA 0DR340009AA 0DZRM00178A 0DZRM00178A 0DZRM00178A 0DZRM00178A 0DZ330009BA 0DZ910009AJ 0DZ110009AD KDS181 TP KEC - 85V - - - 300MA KDS181 TP KEC - 85V - - - 300MA KDS181 TP KEC - 85V - - - 300MA KDS181 TP KEC - 85V - - - 300MA KDS181 TP KEC - 85V - - - 300MA KDS181 TP KEC - 85V - - - 300MA KDS181 TP KEC - 85V - - - 300MA RBV-406 BK USC 600V 4A 80VA .SEC EU1ZV(1) TP SANKEN EU1ZV(1) TP SANKEN TVR06J TP DO41 600V 0.6A - - SF20JC10 ST FTO220(4115) 100V 20A MBRS340 TP - 40V 3A 80A - 2MA MBRS340 TP - 40V 3A 80A - 2MA UDZS TE-17 5.1B 0.2W 5.1V 5MA -PF UDZS TE-17 5.1B 0.2W 5.1V 5MA -PF UDZS TE-17 5.1B 0.2W 5.1V 5MA -PF UDZS TE-17 5.1B 0.2W 5.1V 5MA -PF ZENER HZT33 TAPING MTZJ9.1B TP DO34 0.5W 9.1V 5UA MTZJ11B TP DO34 - 11V 5UA -

TRANSISTOR
IC1102 IC1103 IC1104 IC1105 IC1223 IC1224 IC2 Q1 Q100 Q1101 Q1101 Q1102 Q1103 Q1200 Q200 Q202 Q353 Q402 Q403 0TFFC80044A 0TFFC80044A 0TFFC80044A 0TFFC80044A 0TF492509AA 0TF492509AA 0TF492509AA 0TR387500AA 0TR387500AA 0TR387500AA 0TR387500AA 0TR387500AA 0TR387500AA 0TR150400BA 0TR387500AA 0TR387500AA 0TR150400BA 0TR150400BA 0TR150400BA FDS8958A FAIRCHILD R/TP SO-8 30V 7A FDS8958A FAIRCHILD R/TP SO-8 30V 7A FDS8958A FAIRCHILD R/TP SO-8 30V 7A FDS8958A FAIRCHILD R/TP SO-8 30V 7A SI4925DY TP TEMIC 30V 6.1A SO-8 SI4925DY TP TEMIC 30V 6.1A SO-8 SI4925DY TP TEMIC 30V 6.1A SO-8 CHIP 2SC3875S(ALY) KEC CHIP 2SC3875S(ALY) KEC CHIP 2SC3875S(ALY) KEC CHIP 2SC3875S(ALY) KEC CHIP 2SC3875S(ALY) KEC CHIP 2SC3875S(ALY) KEC CHIP 2SA1504S(ASY) KEC CHIP 2SC3875S(ALY) KEC CHIP 2SC3875S(ALY) KEC CHIP 2SA1504S(ASY) KEC CHIP 2SA1504S(ASY) KEC CHIP 2SA1504S(ASY) KEC

D702 D704 D706 D707 D710 D711 ZD1101 ZD1102 ZD202 ZD203 ZD400 ZD701 ZD704

CAPACITOR
C10 C101 C1101 0CE227DF618 0CE107BF618 0CC15003G06 220UF STD 16V M FL TP5 100UF KME 16V M FL TP5 15PF D 3KV 10%,-10% SL FMTW

- 20 -

For Capacitor & Resistors, the charactors at 2nd and 3rd digit in the P/No. means as follows;

CC, CX, CK, CN : Ceramic CQ : Polyestor CE : Electrolytic

RD : Carbon Film RS : Metal Oxide Film RN : Metal Film RF : Fusible

LOCA. NO C1102 C1103 C1104 C1105 C1106 C1107 C1127 C1128 C113 C1140 C1141 C1142 C1143 C1144 C1145 C1146 C1147 C1150 C1151 C1200 C1201 C1202 C1207 C1208 C1209 C1210 C1211 C1222 C1223 C1226 C1227 C1228 C1229 C1230 C1231 C1234 C1235 C200 C201 C209 C211 C212 C215 C216 C219 C220 C289 C331

PART NO 0CC15003G06 0CC15003G06 0CC15003G06 0CC15003G06 0CC15003G06 0CE4772J618 0CK105DF64A 0CK105DF64A 0CE107BF618 0CK225DFK4A 0CK225DFK4A 0CK225DFK4A 0CK225DFK4A 0CK225DFK4A 0CK225DFK4A 0CK225DFK4A 0CK225DFK4A 0CE227BH618 0CE227BH618 0CE227DH618 0CN475FH67A 0CN475FH67A 0CK105DF64A 0CK105DF64A 0CK105DF64A 0CK105DF64A 0CK105DF64A 0CN475FH67A 0CN475FH67A 0CK105DF64A 0CK105DF64A 0CK105DF64A 0CK105DF64A 0CN475FH67A 0CK105DF64A 0CK105DF64A 0CE107DD618 0CK105DF64A 0CK105DF64A 0CE476DF618 0CE106DF618 0CE227DD618 0CE106DF618 0CE106DF618 0CE226DF618 0CE226DF618 0CE104DK618 0CE107DF618

DESCRIPTION 15PF D 3KV 10%,-10% SL FMTW 15PF D 3KV 10%,-10% SL FMTW 15PF D 3KV 10%,-10% SL FMTW 15PF D 3KV 10%,-10% SL FMTW 15PF D 3KV 10%,-10% SL FMTW 470UF KMF 35V 20% TP 5 FL 1UF 2012 16V 20% R/TP F(Y5V) 1UF 2012 16V 20% R/TP F(Y5V) 100UF KME 16V M FL TP5 2.2UF 2012 16V 20%,-20% F(Y5V) R/TP 2.2UF 2012 16V 20%,-20% F(Y5V) R/TP 2.2UF 2012 16V 20%,-20% F(Y5V) R/TP 2.2UF 2012 16V 20%,-20% F(Y5V) R/TP 2.2UF 2012 16V 20%,-20% F(Y5V) R/TP 2.2UF 2012 16V 20%,-20% F(Y5V) R/TP 2.2UF 2012 16V 20%,-20% F(Y5V) R/TP 2.2UF 2012 16V 20%,-20% F(Y5V) R/TP 220UF KME 25V M FL TP5 220UF KME 25V M FL TP5 220UF STD 25V M FL TP5 4.7UF 3225 25V 20% R/TP X5R 4.7UF 3225 25V 20% R/TP X5R 1UF 2012 16V 20% R/TP F(Y5V) 1UF 2012 16V 20% R/TP F(Y5V) 1UF 2012 16V 20% R/TP F(Y5V) 1UF 2012 16V 20% R/TP F(Y5V) 1UF 2012 16V 20% R/TP F(Y5V) 4.7UF 3225 25V 20% R/TP X5R 4.7UF 3225 25V 20% R/TP X5R 1UF 2012 16V 20% R/TP F(Y5V) 1UF 2012 16V 20% R/TP F(Y5V) 1UF 2012 16V 20% R/TP F(Y5V) 1UF 2012 16V 20% R/TP F(Y5V) 4.7UF 3225 25V 20% R/TP X5R 1UF 2012 16V 20% R/TP F(Y5V) 1UF 2012 16V 20% R/TP F(Y5V) 100UF STD 10V M FL TP5 1UF 2012 16V 20% R/TP F(Y5V) 1UF 2012 16V 20% R/TP F(Y5V) 47UF STD 16V M FL TP5 10UF STD 16V M FL TP5 220UF STD 10V M FL TP5 10UF STD 16V M FL TP5 10UF STD 16V M FL TP5 22UF STD 16V M FL TP5 22UF STD 16V M FL TP5 0.1000UF STD 50V M FL TP5 100UF STD 16V M FL TP5

LOCA. NO C351 C353 C354 C356 C357 C362 C364 C380 C381 C383 C403 C404 C408 C410 C412 C413 C499 C501 C523 C526 C541 C581 C613 C614 C616 C617 C617 C620 C621 C624 C625 C629 C633 C643 C700 C701 C703 C704 C706 C707 C708 C709 C710 C717 C718 C719 C720 C725

PART NO 0CE227DF618 0CE475DK618 0CE476DF618 0CE106DF618 0CE106DF618 0CE107DF618 0CE336DF618 0CE105DK618 0CE106DF618 0CE106DF618 0CE476DH618 0CE108DD618 0CE106DK618 0CE227DF618 0CE105DK618 0CK224DF56A 0CE476DK618 0CE107DF618 0CE104DK618 0CE107DF618 0CE107DF618 0CE107DF618 0CE106DF618 0CE106DF618 0CE107DF618 0CE107BH618 0CE107BF618 0CE335DK618 0CE107BF618 0CK224DF56A 0CK224DF56A 0CE107DF618 0CE107DF618 0CE476BF618 181-091D 0CF474285B0 181-120P 181-120P 0CE226DK618 0CE1072V610 181-091D 181-120K 181-120K 181-091D 181-091D 0CE227DJ618 181-091D 0CE4772J618

DESCRIPTION 220UF STD 16V M FL TP5 4.7UF STD 50V 20% FL TP 5 47UF STD 16V M FL TP5 10UF STD 16V M FL TP5 10UF STD 16V M FL TP5 100UF STD 16V M FL TP5 33UF STD 16V M FL TP5 1UF STD 50V M FL TP5 10UF STD 16V M FL TP5 10UF STD 16V M FL TP5 47UF STD 25V 20% FL TP 5 1000UF STD 10V M FL TP5 10UF STD 50V M FL TP5 220UF STD 16V M FL TP5 1UF STD 50V M FL TP5 220000PF 2012 16V 10% R/TP X7R 47UF STD 50V M FL TP5 100UF STD 16V M FL TP5 0.1000UF STD 50V M FL TP5 100UF STD 16V M FL TP5 100UF STD 16V M FL TP5 100UF STD 16V M FL TP5 10UF STD 16V M FL TP5 10UF STD 16V M FL TP5 100UF STD 16V M FL TP5 100UF KME 25V M FL TP5 100UF KME 16V M FL TP5 3.3UF STD 50V 20% FL TP 5 100UF KME 16V M FL TP5 220000PF 2012 16V 10% R/TP X7R 220000PF 2012 16V 10% R/TP X7R 100UF STD 16V M FL TP5 100UF STD 16V M FL TP5 47UF KME TYPE 16V 20% FL TP 5 DEHR33A102KN2A 1000PF 1KV 10%,-10% 0.47UF S 275V 10% PCX2 337 BULK 470 PF 4KV K JE R FL 10 470 PF 4KV K JE R FL 10 22UF STD 50V M FL TP5 100UF KMF 450V 20% FL BULK DEHR33A102KN2A 1000PF 1KV 10%,-10% 2200PF 4KV M E FMTW LEAD 4.5 2200PF 4KV M E FMTW LEAD 4.5 DEHR33A102KN2A 1000PF 1KV 10%,-10% DEHR33A102KN2A 1000PF 1KV 10%,-10% 220UF STD 35V M FL TP5 DEHR33A102KN2A 1000PF 1KV 10%,-10% 470UF KMF 35V 20% TP 5 FL

- 21 -

For Capacitor & Resistors, the charactors at 2nd and 3rd digit in the P/No. means as follows;

CC, CX, CK, CN : Ceramic CQ : Polyestor CE : Electrolytic

RD : Carbon Film RS : Metal Oxide Film RN : Metal Film RF : Fusible

LOCA. NO C726 C727 C728 C730 C731 C733 C734 C743 C744 C745 C746 C747 C777 C832

PART NO 0CK10101515 0CE226DK618 0CE476BK618 0CE4772J618 0CE227DJ618 181-120K 0CE4772J618 0CE477DD618 0CE227DK618 0CE477DD618 0CE477DD618 0CE477DD618 181-091D 0CE107DF618

DESCRIPTION 100PF D 1KV 10% B(Y5P) TR 22UF STD 50V M FL TP5 47UF KME 50V M FL TP5 470UF KMF 35V 20% TP 5 FL 220UF STD 35V M FL TP5 2200PF 4KV M E FMTW LEAD 4.5 470UF KMF 35V 20% TP 5 FL 470UF STD 10V M FL TP5 220UF STD 50V M FL TP5 470UF STD 10V M FL TP5 470UF STD 10V M FL TP5 470UF STD 10V M FL TP5 DEHR33A102KN2A 1000PF 1KV 10%,-10% 100UF STD 16V M FL TP5

LOCA. NO L504 L505 L506 L507 L518 R702 R703 R704 R705 R706 R706 R711 R712 R714 R715 R727

PART NO 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RKZVTA001C 0RKZVTA001K 0RS5602K619 0RS5602K619 0RS5602K619 0RS1203K607 0RS5602K619 0RS5602K619 0RS5602K619 180-A01E 0RD0472H609 0RD0472H609

DESCRIPTION MNR-14-E0A-J-101 R OHM 100 OHM 5% MNR-14-E0A-J-101 R OHM 100 OHM 5% MNR-14-E0A-J-101 R OHM 100 OHM 5% MNR-14-E0A-J-101 R OHM 100 OHM 5% MNR-14-E0A-J-101 R OHM 100 OHM 5% 8.2M OHM 1/2 W 5% TA52 UL 0.47M OHM 1/2 W 5% TA52 56K OHM 2 W 5.00% TR 56K OHM 2 W 5.00% TR 56K OHM 2 W 5.00% TR 120K OHM 2 W 5.00% TA62 56K OHM 2 W 5.00% TR 56K OHM 2 W 5.00% TR 56K OHM 2 W 5.00% TR 2 W RW ROUND G 2W 0.33J TA31(63) 47 OHM 1/2 W 5.00% TA52 47 OHM 1/2 W 5.00% TA52

COIL & INDUCTOR
L1201 L1202 L1203 L1204 L174 L175 L176 L177 L401 L705 L706 T1101 T1102 T1103 T1104 T1105 T1106 T701 6140VR0005B 6140VR0005B 6140VR0005B 6140VR0005B 0LC0233002A 0LC0233002A 0LC0233002A 0LC0233002A 0LA0272K139 6140VR0008B 6140VR0008B 6170VH0002A 6170VH0002A 6170VH0002A 6170VH0002A 6170VH0002A 6170VH0002A 6170VMCA65A COIL,ENERGY SLF7045T-330MR82 COIL,ENERGY SLF7045T-330MR82 COIL,ENERGY SLF7045T-330MR82 COIL,ENERGY SLF7045T-330MR82 INDUCTOR,CHIP 3.3UH CERATECH R/TP INDUCTOR,CHIP 3.3UH CERATECH R/TP INDUCTOR,CHIP 3.3UH CERATECH R/TP INDUCTOR,CHIP 3.3UH CERATECH R/TP INDUCTOR,AXIAL LEAD 27UH K 4X10.5 TP COIL,ENERGY SLF12575T-150M3R2 15UH COIL,ENERGY SLF12575T-150M3R2 15UH TRANSFORMER,UI-11.7 860000UH 1-CH TRANSFORMER,UI-11.7 860000UH 1-CH TRANSFORMER,UI-11.7 860000UH 1-CH TRANSFORMER,UI-11.7 860000UH 1-CH TRANSFORMER,UI-11.7 860000UH 1-CH TRANSFORMER,UI-11.7 860000UH 1-CH TRANSFORMER,SMPS[COIL] EER3019

R736

SWITCH
SW1101 SW1102 SW1103 SW1104 SW1105 SW1106 SW1107 SW1108 140-313A 140-313A 140-313A 140-313A 140-313A 140-313A 140-313A 140-313A TACT 2LEAD 100G(TA) NON 5V 0.001A TACT 2LEAD 100G(TA) NON 5V 0.001A TACT 2LEAD 100G(TA) NON 5V 0.001A TACT 2LEAD 100G(TA) NON 5V 0.001A TACT 2LEAD 100G(TA) NON 5V 0.001A TACT 2LEAD 100G(TA) NON 5V 0.001A TACT 2LEAD 100G(TA) NON 5V 0.001A TACT 2LEAD 100G(TA) NON 5V 0.001A

FILTER & CRYSTAL
L101 L1101 L1101 L119 L1200 L1205 L1206 6210TCE001G 6210TCE001A 6210TCE001G 6210TCE001A 6210TCE001G 6210TCE001G 6210TCE001G 6200JB8010L 6210TCE001A 6210TCE001A 6200JB8010L 6210TCE001A 6200JB8010L 6210TCE001A 6210TCE001A 6210TCE001G 6200JB8010L 6210TCE001A 6210TCE001A HH-1M3216-501 3216MM R/TP HB-1S2012-080JT 2012MM CHIP-BEAD HH-1M3216-501 3216MM R/TP HB-1S2012-080JT 2012MM CHIP-BEAD HH-1M3216-501 3216MM R/TP HH-1M3216-501 3216MM R/TP HH-1M3216-501 3216MM R/TP MLB-201209-1000L-N2 HB-1S2012-080JT 2012MM CHIP-BEAD HB-1S2012-080JT 2012MM CHIP-BEAD MLB-201209-1000L-N2 HB-1S2012-080JT 2012MM CHIP-BEAD MLB-201209-1000L-N2 HB-1S2012-080JT 2012MM CHIP-BEAD HB-1S2012-080JT 2012MM CHIP-BEAD HH-1M3216-501 3216MM R/TP MLB-201209-1000L-N2 HB-1S2012-080JT 2012MM CHIP-BEAD HB-1S2012-080JT 2012MM CHIP-BEAD

CONNECTOR
P1 P100 P101 P1101 P1102 P601 P602 6602T10002D 366-932E 6602V20005L 6631V20014E 387-A07B 366-932B 366-932C ETC 50P FH12-50S-0.5H HIROSE . 2.5MM 6P GIL-G LG CABLE S (STICK) 2.0MM 12P GIL-S LG CABLE STRAIGHT 12P 2.0MM 300MM (LGC)GIL-S (LGC)GIL-T 7P 2.5MM 150MM GIL-G GIL-J NON 2.5MM 3P GIL-G LG CABLE S (STICK) 2.5MM 4P GIL-G LG CABLE S (STICK)

L200 L200 L201 L201 L202 L202 L204 L205 L206

RESISTOR
FR704 L502 L503 0RP0020J809 0RRZVTA001A 0RRZVTA001A 0.02 OHM 1 W 20% TA52 MNR-14-E0A-J-101 R OHM 100 OHM 5% MNR-14-E0A-J-101 R OHM 100 OHM 5%

L207 L208 L209

- 22 -

LOCA. NO L351 L400 L402 L501 L515 L516 L517 L580 L581 L601 L602 L603 L701 L702 L703 L704 L801 L802 L803 L99 LF701 R1108 R1109 R1110 R1111 R1112 R226 R228 R229 R230 R505 R710 Z100 Z500 Z600

PART NO 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210VC0004A 6210TCE001G 6210TCE001A 6210TCE001A 6210TCE001G 6210TCE001G 6210TCE001G 125-022K 125-022K 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6200JB8012Q 6200JB8010L 6200JB8010L 6200JB8010L 6200JB8010L 6200JB8010L 6200JB8010L 6200JB8010L 6200JB8010L 6200JB8010L 6210TCE001A 125-022K 156-A01L 156-A02X 156-A02M

DESCRIPTION HH-1M3216-501 3216MM R/TP HH-1M3216-501 3216MM R/TP HH-1M3216-501 3216MM R/TP HH-1M3216-501 3216MM R/TP HH-1M3216-501 3216MM R/TP BK3216 4S600 3.2X1.6X0.8MM R/TP HH-1M3216-501 3216MM R/TP HB-1S2012-080JT 2012MM CHIP-BEAD HB-1S2012-080JT 2012MM CHIP-BEAD HH-1M3216-501 3216MM R/TP HH-1M3216-501 3216MM R/TP HH-1M3216-501 3216MM R/TP FERRITE 1UH TAPING FERRITE 1UH TAPING HH-1M3216-501 3216MM R/TP HH-1M3216-501 3216MM R/TP HH-1M3216-501 3216MM R/TP HH-1M3216-501 3216MM R/TP HH-1M3216-501 3216MM R/TP HH-1M3216-501 3216MM R/TP OR 14*7*7.5H SMC BK 6.0-11.0MH MLB-201209-1000L-N2 MLB-201209-1000L-N2 MLB-201209-1000L-N2 MLB-201209-1000L-N2 MLB-201209-1000L-N2 MLB-201209-1000L-N2 MLB-201209-1000L-N2 MLB-201209-1000L-N2 MLB-201209-1000L-N2 HB-1S2012-080JT 2012MM CHIP-BEAD FERRITE 1UH TAPING RESONATOR,CRYSTAL HC49U 6.000MHZ RESONATOR,CRYSTAL HC49U 27.000MHZ RESONATOR,CRYSTAL 18.432MHZ 30PPM

LOCA. NO A3 A3 A3 A3

PART NO 6410VEH008A 6410VEH008C 6410VEH008D 6410VBH005A

DESCRIPTION POWER CORD,SP022+ISO34 (LGEBN) POWER CORD,SP023+ISO34 (STUH) POWER CORD,SP28+IS-034 (LGEIS) POWER CORD,SP60+IS034 (LGEUK)

MISCELLANEOUS
F701 LED1 P701 PA1101 RJ201 SC204 TH701 TU401 VA701 131-098B 0DL200000CA 6620VZ0002A 6726VV0006D 6613V00008F 381-091B 163-048D 6700PF0002A 164-003K FUSE,SLOW BLOW 4000MA 250 V 5.2X20 LED SAM5670(DL-2LRG) BK Y-GREEN SOCKET (CIRC),DRAWING IS7007 REMOTE CONTROLLER RECEIVER ,38.0KHZ JACK ASSY,PMJ014F E/P(ST)+S-VHS+3P H6.5 JACK,SCART S-091B UGCOM SCART 21 THERMISTOR,KL15L2R5 +/- 15% 125V TUNER,TAFH-S321D LG PAL FS 4SYS VARISTOR,SVC621D-14A ILJIN 620V 0%

ACCESSORIES
A1 A1 A1 A1 A1 A1 A1 A1 A1 A2 A3 3828VA0448B 3828VA0448C 3828VA0448D 3828VA0448F 3828VA0448G 3828VA0448H 3828VA0448J 3828VA0448K 3828VA0448R 6710V00091G 6410VPH001A MANUAL,OWNERS ML024D LGEBN MANUAL,OWNERS ML024D LGEHS MANUAL,OWNERS ML024D LGEUK MANUAL,OWNERS ML024D LGEIS MANUAL,OWNERS ML024D LGEES MANUAL,OWNERS ML024D STUH MANUAL,OWNERS ML024D LGEFS MANUAL,OWNERS ML024D LGESW MANUAL,OWNERS ML024D LGERU REMOTE CONTROLLER,ML012B FULL . POWER CORD,SP023+IS034 (LGERU)

- 23 -

P/NO:3854VA0135A-S1 2003.10.13

SVC. SHEET : 3854V A0135A-S1

website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html

LCD TV SERVICE MANUAL
CHASSIS : ML-041B

MODEL : RZ-20LA70(RZ-20LA70 Rev A)
CAUTION
*( ) ID LABEL Model No.
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

*Same looking with new chassis

*Issue Date; 2004. 06

CONTENTS

CONTENTS .............................................................................................. 2 PRODUCT SAFETY ..................................................................................3 SPECIFICATION ........................................................................................4 ADJUSTMENT INSTRUCTION ...............................................................10 TROUBLE SHOOTING ............................................................................12 BLOCK DIAGRAM...................................................................................17 WIRING DIAGRAM ..................................................................................19 EXPLODED VIEW .................................................................................. 20 EXPLODED VIEW PARTS LIST ..............................................................21 REPLACEMENT PARTS LIST ............................................................... 22 SVC. SHEET ...............................................................................................

SAFETY PRECAUTIONS
IMPORTANT SAFETY NOTICE
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.

General Guidance
An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line. Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks. It will also protect the receiver and it's components from being damaged by accidental shorts of the circuitry that may be inadvertently introduced during the service operation. If any fuse (or Fusible Resistor) in this TV receiver is blown, replace it with the specified. When replacing a high wattage resistor (Oxide Metal Film Resistor, over 1W), keep the resistor 10mm away from PCB. Keep wires away from high voltage or high temperature parts.

Before returning the receiver to the customer,
always perform an AC leakage current check on the exposed metallic parts of the cabinet, such as antennas, terminals, etc., to be sure the set is safe to operate without damage of electrical shock.

Leakage Current Cold Check(Antenna Cold Check)
With the instrument AC plug removed from AC source, connect an electrical jumper across the two AC plug prongs. Place the AC switch in the on position, connect one lead of ohm-meter to the AC plug prongs tied together and touch other ohm-meter lead in turn to each exposed metallic parts such as antenna terminals, phone jacks, etc. If the exposed metallic part has a return path to the chassis, the measured resistance should be between 1M and 5.2M. When the exposed metal has no return path to the chassis the reading must be infinite. An other abnormality exists that must be corrected before the receiver is returned to the customer.

Leakage Current Hot Check (See below Figure)

X-RAY Radiation
Warning:
The source of X-RAY RADIATION in this TV receiver is the High Voltage Section and the LCD PANEL. For continued X-RAY RADIATION protection, the replacement panel must be the same type panel as specified in the Replacement Parts List.

To determine the presence of high voltage, use an accurate high impedance HV meter. Adjust brightness, color, contrast controls to minimum. Measure the high voltage. The meter reading should indicate 23.5 1.5KV: 19-21 inch, 1.5KV: 14-19 inch, 26 29.0 1.5KV: 25-29 inch, 30.0 1.5KV: 32 inch If the meter indication is out of tolerance, immediate service and correction is required to prevent the possibility of premature component failure.

Plug the AC cord directly into the AC outlet. Do not use a line Isolation Transformer during this check. Connect 1.5K/10watt resistor in parallel with a 0.15uF capacitor between a known good earth ground (Water Pipe, Conduit, etc.) and the exposed metallic parts. Measure the AC voltage across the resistor using AC voltmeter with 1000 ohms/volt or more sensitivity. Reverse plug the AC cord into the AC outlet and repeat AC voltage measurements for each exposed metallic part. Any voltage measured must not exceed 0.75 volt RMS which is corresponds to 0.5mA. In case any measurement is out of the limits specified, there is possibility of shock hazard and the set must be checked and repaired before it is returned to the customer.

Leakage Current Hot Check circuit

AC Volt-meter

To Instrument's exposed METALLIC PARTS

0.15uF

Good Earth Ground such as WATER PIPE, CONDUIT etc.

1.5 Kohm/10W

SERVICING PRECAUTIONS
CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication. NOTE: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication, always follow the safety precautions. Remember: Safety First. General Servicing Precautions 1. Always unplug the receiver AC power cord from the AC power source before; a. Removing or reinstalling any component, circuit board module or any other receiver assembly. b. Disconnecting or reconnecting any receiver electrical plug or other electrical connection. c. Connecting a test substitute in parallel with an electrolytic capacitor in the receiver. CAUTION: A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explosion hazard. 2. Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device (DVM, FETVOM, etc) equipped with a suitable high voltage probe. Do not test high voltage by "drawing an arc". 3. Do not spray chemicals on or near this receiver or any of its assemblies. 4. Unless specified otherwise in this service manual, clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner, cotton-tipped stick or comparable non-abrasive applicator; 10% (by volume) Acetone and 90% (by volume) isopropyl alcohol (90%-99% strength) CAUTION: This is a flammable mixture. Unless specified otherwise in this service manual, lubrication of contacts in not required. 5. Do not defeat any plug/socket B+ voltage interlocks with which receivers covered by this service manual might be equipped. 6. Do not apply AC power to this instrument and/or any of its electrical assemblies unless all solid-state device heat sinks are correctly installed. 7. Always connect the test receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead. Always remove the test receiver ground lead last. 8. Use with this receiver only the test fixtures specified in this service manual. CAUTION: Do not connect the test fixture ground strap to any heat sink in this receiver. Electrostatically Sensitive (ES) Devices Some semiconductor (solid-state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip" components. The following techniques should be used to help reduce the incidence of component damage caused by static by static electricity. 1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any electrostatic charge on your body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging wrist strap device, which should be removed to prevent potential shock reasons prior to applying power to the unit under test. 2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as aluminum foil, to prevent electrostatic charge buildup or exposure of the assembly. 3. Use only a grounded-tip soldering iron to solder or unsolder ES devices. 4. Use only an anti-static type solder removal device. Some solder removal devices not classified as "anti-static" can generate electrical charges sufficient to damage ES devices. 5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices. 6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive material). 7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material to the chassis or circuit assembly into which the device will be installed. CAUTION: Be sure no power is applied to the chassis or circuit, and observe all other safety precautions. 8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ES device.) General Soldering Guidelines 1. Use a grounded-tip, low-wattage soldering iron and appropriate tip size and shape that will maintain tip temperature within the range or 500 F to 600 F. 2. Use an appropriate gauge of RMA resin-core solder composed of 60 parts tin/40 parts lead. 3. Keep the soldering iron tip clean and well tinned. 4. Thoroughly clean the surfaces to be soldered. Use a mall wirebristle (0.5 inch, or 1.25cm) brush with a metal handle. Do not use freon-propelled spray-on cleaners. 5. Use the following unsoldering technique a. Allow the soldering iron tip to reach normal temperature. (500 F to 600 F) b. Heat the component lead until the solder melts. c. Quickly draw the melted solder with an anti-static, suctiontype solder removal device or with solder braid. CAUTION: Work quickly to avoid overheating the circuitboard printed foil. 6. Use the following soldering technique. a. Allow the soldering iron tip to reach a normal temperature (500 F to 600 F) b. First, hold the soldering iron tip and solder the strand against the component lead until the solder melts. c. Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil, and hold it there only until the solder flows onto and around both the component lead and the foil. CAUTION: Work quickly to avoid overheating the circuit board printed foil. d. Closely inspect the solder area and remove any excess or splashed solder with a small wire-bristle brush.

IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through which the IC leads are inserted and then bent flat against the circuit foil. When holes are the slotted type, the following technique should be used to remove and replace the IC. When working with boards using the familiar round hole, use the standard technique as outlined in paragraphs 5 and 6 above. Removal 1. Desolder and straighten each IC lead in one operation by gently prying up on the lead with the soldering iron tip as the solder melts. 2. Draw away the melted solder with an anti-static suction-type solder removal device (or with solder braid) before removing the IC. Replacement 1. Carefully insert the replacement IC in the circuit board. 2. Carefully bend each IC lead against the circuit foil pad and solder it. 3. Clean the soldered areas with a small wire-bristle brush. (It is not necessary to reapply acrylic coating to the areas). "Small-Signal" Discrete Transistor Removal/Replacement 1. Remove the defective transistor by clipping its leads as close as possible to the component body. 2. Bend into a "U" shape the end of each of three leads remaining on the circuit board. 3. Bend into a "U" shape the replacement transistor leads. 4. Connect the replacement transistor leads to the corresponding leads extending from the circuit board and crimp the "U" with long nose pliers to insure metal to metal contact then solder each connection. Power Output, Transistor Device Removal/Replacement 1. Heat and remove all solder from around the transistor leads. 2. Remove the heat sink mounting screw (if so equipped). 3. Carefully remove the transistor from the heat sink of the circuit board. 4. Insert new transistor in the circuit board. 5. Solder each transistor lead, and clip off excess lead. 6. Replace heat sink. Diode Removal/Replacement 1. Remove defective diode by clipping its leads as close as possible to diode body. 2. Bend the two remaining leads perpendicular y to the circuit board. 3. Observing diode polarity, wrap each lead of the new diode around the corresponding lead on the circuit board. 4. Securely crimp each connection and solder it. 5. Inspect (on the circuit board copper side) the solder joints of the two "original" leads. If they are not shiny, reheat them and if necessary, apply additional solder. Fuse and Conventional Resistor Removal/Replacement 1. Clip each fuse or resistor lead at top of the circuit board hollow stake. 2. Securely crimp the leads of replacement component around notch at stake top. 3. Solder the connections. CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures.

Circuit Board Foil Repair Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds the foil to the circuit board causing the foil to separate from or "lift-off" the board. The following guidelines and procedures should be followed whenever this condition is encountered. At IC Connections To repair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit board. (Use this technique only on IC connections). 1. Carefully remove the damaged copper pattern with a sharp knife. (Remove only as much copper as absolutely necessary). 2. carefully scratch away the solder resist and acrylic coating (if used) from the end of the remaining copper pattern. 3. Bend a small "U" in one end of a small gauge jumper wire and carefully crimp it around the IC pin. Solder the IC connection. 4. Route the jumper wire along the path of the out-away copper pattern and let it overlap the previously scraped end of the good copper pattern. Solder the overlapped area and clip off any excess jumper wire. At Other Connections Use the following technique to repair the defective copper pattern at connections other than IC Pins. This technique involves the installation of a jumper wire on the component side of the circuit board. 1. Remove the defective copper pattern with a sharp knife. Remove at least 1/4 inch of copper, to ensure that a hazardous condition will not exist if the jumper wire opens. 2. Trace along the copper pattern from both sides of the pattern break and locate the nearest component that is directly connected to the affected copper pattern. 3. Connect insulated 20-gauge jumper wire from the lead of the nearest component on one side of the pattern break to the lead of the nearest component on the other side. Carefully crimp and solder the connections. CAUTION: Be sure the insulated jumper wire is dressed so the it does not touch components or sharp edges.

SPECIFICATION
NOTE : Specifications and others are subject to change without notice for improvement.

1. Application range
This specification is applied to ML-041B chassis.

2. Requirement for Test
Testing for standard of each part must be followed in below condition. (1) Temperature: 25C 2C (2) Humidity: 65% 10% (3) Power: Standard input voltage (AC 100-240V, 50/60Hz) (4) Measurement must be performed after heat-run more than 30min. (5) Adjusting standard for this chassis is followed a special standard.

3.General Specification
No. 1 Maker Type ActiveDisplay Area Pixel Pitch [mm] Electrical Interface Color Depth Size [mm] Surface Treatment Operating Mode Back light Unit R/T 2 Maker Type ActiveDisplay Area Pixel Pitch [mm] Electrical Interface Color Depth Size [mm] Surface Treatment Operating Mode Back light Unit R/T Maker 3 Type ActiveDisplay Area Pixel Pitch [mm] Electrical Interface Color Depth Size [mm] Surface Treatment Operating Mode Back light Unit R/T Typ. Typ. Typ. Item LPL TFT Color LCD Module 20.1 inches(380.16mm) diagonal(Aspect 4:3) 0.6375mm(H)x0.6375mm(V)xRGB TTL 8BIT, 16,777,216 colors 450(H)x 348.7(V)x20(D) Glare, Hard Coating(3H) Normally Black 6 CCFL(6 lamps) 16ms(R.T.:7/10ms + F.T.:18/20ms) AUO TFT Color LCD Module 20.1 inches(510.00mm) diagonal 0. 6376mm(H)x0.6375mm(V)xRGB TTL 8-BIT 16,777.216 Colors 434(H)x331.6(V)x29.6(D) Hard Coating, AR,Glare (3H) Normally Black 6 CCFL(6 lamps) 16ms CMO TFT Color LCD Module 20.1 inches(510.00mm) diagonal 0. 6375mm(H)x0.6375mm(V)xRGB TTL 8-BIT 16,777.216 Colors 448(H)x339.6(V)x25(D) Anti Glare, Hard Coating(3H) Normally Black 6 CCFL(6 lamps) 16ms(R.T.:5/7ms + F.T.:11/14ms) CMO AUO Specification LPL Remark

4. Feature and Function
No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Teletext REMOCON CVBS VIDEO Input S-VIDEO Input Component input PERI TV Connector H/p input RS-232 Discrete IR 2 Carrier Stereo NICAM Stereo 2 Carrier Dual NICAM Dual DW(Double Window) Mode MW(Multi Window) Mode Film Mode Noise Reduction Progressive Scan Motion Detection SRS WOW wivel Speaker Ez-pip ARC DRP DCDI HDCP Item Specification TOP, FLOF NEC Code 1 1 1 Full SCART : 1 1 NO YES BG, DK BG, I, LL' BG, DK BG, I, LL' X X X X X X X X X X X X X Top(option) PAL/ NTSC Rear Rear Rear (option, NT) Rear (option,EU) Rear Remark

5.Optical Character
No. Item Specification LPL 1 2 3 4 Viewing Angle Luminance Contrast Ratio CIE Color Coordinates WHITE RED Green Blue WX WY Wr Yr Xg Yg Xb Yb Typ. Typ. Typ. Typ. Typ. Typ. Typ. Typ. R/L, U/D Luminance(cd/ ) Variation 85/85 85/85 400 1.3 400 0.289 0.335 0.692 0.335 0.289 0.583 0.143 0.909 CMO 80/80 75/65 450 1.3 500 0.285 0.293 0.692 0.332 0.276 0.601 0.142 0.075 CMO 85/85 90/90 450 1.3 600 0.31 0.33 0.64 0.34 0.29 0.61 0.14 0.07 Typical MAX/MIN ALL white/All black Remark

6.Engineering Specification
No. 1 Item Power Supply Normal Stand By Suspend Mode DPM Off Mode Cut-off Switch off ITEM 2 D-SUB Pin Configuraion 1: RED 3: Blue: 5: S.T(GND) 7: Green GND 9: N.C 11: ID0(GND) 13: H-Sync 15: SCL 1) Contrast/Brightness 2) H-Position/V-Position 3 Control Function 3) Tracking : Clock/ Phase 4) Auto Configure RESET 4 Comoponent Jack 1: Y 3: Pb 5: Pr 1: Y GND 5 D2 Jack (525i, 525p) 2: Pb 5: Pr 7: LINE1 Ready 9: Line2 11: Line3 13: Line3 ready 2: Y GND 4: Pb GND 6: Pr GND 8: LINE1 10: Line2 Ready 12: SWITCH GND 14: SWITCH JAPAN Only Middle east/ NTSC Area H/V Sync On/On Off/On On/Off Off/Off Spectification 2: Green 4: ID2(GND) 6: RED GND 8: Blue GND 10: D-GND 12: SDA 14: V-Sync Shell: GND 10: Digital GND PBP SWAP Off Specification Video Active Power Consumption 65W 1W 1W 1W 0W ON/OFF Remark OFF LED Remark LED Color GREEN

6-2.Power
NO
1 2 3 4 5 6 7 8 9 10 11

Item
AC Power Shut Down Voltage DC Voltage, Inverter DC Voltage, LCD Panel DC Voltage, Audio DC Voltage, Tuner(5) DC Voltage, Tuner(9) DC Voltage, Tuning(31) DC Voltage, VCTi(5) DC Voltage, VCTi(8) DC Voltage, VCTi(3.3) DC Voltage, VCTi(1.8) DC Voltage, GM2221 (3.3) DC Voltage, GM2221 (1.8) DC Voltage, Digital (3.3) DC Voltage, Digital (5)

Min
90 22.8 11.4 14.0 4.5 8.5 31 4.5 7.5 3.1 1.6 3.1 1.6 2.8 4.5

Typ
24 12 15 5 9 33 5 8 3.3 1.8 3.3 1.8 3.3 5

Max
264 25.2 12.6 16.0 5.5 9.5 35 5.5 8.5 3.5 2.0 3.5 2.0 3.8 5.5

Unit
V V V V V V V V V V V V V V V

Remark

Japan only

6-3. External Interface
NO
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19.

Item
Video Input Level Audio Input Level Audio Input Frequency Response Audio Input S/N Audio Input Distortion Audio Input Dynamic Range Video Output Level Video Output Frequency Response Video Output S/N Audio Output Level Audio Output Frequency Response Audio Output S/N Audio Output Distortion Video Input Level, R/G/B Video Input Level, Component(Y, PB, PR) RGB Input Resolution, Vertical RGB Input Resolution, Horizontal RGB Input Horizontal Frequency RGB Input Frame Rate

Min
0.85 0.4 0.1 40 2 0.85 3.8 40 0.4 0.1 40 0.6 0.6

Typ
1 0.5

Max
1.15 0.6 7 2

Unit
Vpp V KHz DB % V Vpp MHz DB V KHz DB % Vpp Vpp Pixel Pixel KHz Hz

Remark
EN-50049 NTSC:0.4Vrms(Typ)

1

1.15

0.5

0.6 7 2 0.8 0.8

0.7 0.7 768 1280

75 ohm 75 ohm Only 20" See table 5-5 See table 5-5

640 Pixel 480

6-4. The Others
NO
1 2 3 4 5 6

Item
Search Sensitivity Soft Ware Functionality Test REMOCON Working Sensitivity, Straight REMOCON Working Sensitivity, T/B/L/R Closed Caption Sensitivity Teletext Sensitivity

Min

Typ

Max
-85

Unit
dBm

Remark
LGE Specification

0.1 0.1

10 9 -70 -70

m m dBm dBm

30 degree NTSC ONLY

ADJUSTMENT INSTRUCTION
1. Application Object
This instruction is for the application to the LCD TV.

2. Adjustment
2.1 Adjustment overview
The unit is set to automatically adjust using the factory automation equipment. However when errors occur, it should be adjusted manually.

2.2 Auto Gain/Offset adjustment
2.2.1 RF Mode adjustment 2.2.1.1 Adjustment preparation Conduct Heat Run at the RF fog signals for more than 30 minutes. 2.2.1.2 Auto Gain/Offset adjustment Press IN-START Key to convert to the adjustment mode using the adjustment (SVC) remote controller, and press VOL+ Key at the Auto Gain menu. Once the adjustment is completed, press the Enter Key to save and finish the adjustment.

SVC REMOCON
1 2 3 4 5 6 7 8 9 10 11
To turn the TV on or off To turn the TV on automatically if the power is supplied to the TV. (Use the POWER ON POWER key to deactivate): It should be deactivated when delivered. To activate the mute function. MUTE To check TV screen image easily. P-CHECK To check TV screen sound easily S-CHECK To select size of the main screen (Normal, Spectacle, Wide or Zoom) ARC Switch to closed caption broadcasting CAPTION To toggle on/off the teletext mode TXT To select an external input for the TV screen TV/AV To start turbo sound TURBO SOUND TURBO PICTURE To start turbo picture To enter adjustment mode when manufacturing the TV sets. To adjust the screen voltage (automatic): In-start mute Adjust AV(Enter into W/B adjustment mode) IN-START W/B adjustment (automatic): After adjusting the screen W/B adjustment Exit two times (Adjustment completed) To enter into the adjustment mode. To adjust horizontal line and sub-brightness. ADJ To select the multiple sound mode (Mono, Stereo or Foreign language) MPX To release the adjustment mode EXIT To easily adjust the screen according to surrounding brightness APC(PSM) To easily adjust sound according to the program type ASC(SSM) To check component input MULTIMIDIA To check the front AV FRONT-AV To move channel up/down or to select a function displayed on the screen. CH To adjust the volume or accurately control a specific function. VOL To set a specific function or complete setting. ENTER To move the channel down in the PIP screen. PIP CH-(OP1) To use as a red key in the teletext mode To move the channel in the PIP screen PIP CH+(OP2) To use as a green key in the teletext mode To switch between the main and sub screens PIP SWAP(OP3) To use as a yellow key in the teletext mode To select the input status in the PIP screen PIP INPUT(OP4) To use as a blue key in the teletext mode To set a function that will automatically adjust screen status to match EYE the surrounding brightness so natural color can be displayed. To select the functions such as video, voice, function or channel. MENU To set the delivery condition status after manufacturing the TV set. IN-STOP To halt the main screen in the normal mode, or the sub screen at the PIP screen. STILL Used as a hold key in the teletext mode (Page updating is stopped.) Displays the teletext time in the normal mode TIME Enables to select the sub code in the teletext mode Used as the size key in the PIP screen in the normal mode SIZE Used as the size key in the teletext mode Used as the index key in the teletext mode (Top index will be MULTI PIP displayed if it is the top text.) To select the position of the PIP screen in the normal mode Used as the update key in the teletext mode (Text will be POSITION displayed if the current page is updated.) Used as Mode in the teletext mode MODE To select the simultaneous screen PIP To adjust screen tilt TILT To manually select the channel. 0~9

POWER

Shortcut keys Shortcut keys Shortcut keys

12

Use the AV key to enter the screen W/B adjustment mode.

13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38

Shortcut keys Shortcut keys

Shortcut keys

TROUBLESHOOTING

No power (LED indicator off)

:[A]Process

Check 15V or 5V of Lips

Fail

Check short of main B/D or Change Lips

Pass Check Output of Q1100 Change Q1100 Fail

Pass

Check Output of IC1107, IC104

Change IC1107, IC1104 Fail

Pass

Check LED Assy Fail

Change LED Assy

Pass

Check P1100, P210 Connector

No Raster

:[B]Process

Check LED Status on display unit

Repeat A PROCESS Fail

Check L900,L901 L902,L903

Fail

Change L900,L901, L902,L903

Pass

Check the input/ Output of IC901

Change IC901 Fail

Pass Change inverter connector or inverter

Check inverter Connector or inverter

Fail

Pass

Check panel link Cable or module

Fail

Change panel link cable or module

Pass Check input source cable and jack Change module

Fail

No Raster on Component signal

Repeat [A] Process

Pass

Check the signal of L1200, L1202, L1203

Fail

Check JA1200 or RCA CABLE

Pass

Check the input/ output of IC1

Fail

Re-soldering or Change the defect part, Check X11

Check the input/output of IC800, IC851

Fail

Re-soldering or Change the defect part

Pass

Check the input/ output of IC901

Fail

Re-soldering or Change the defect part, Check X900

Pass

Check input source cable and jack

No Raster on AV Signal (Video, S-Video)

No Raster on TV(RF) signal

Repeat [A] Process

Fail

Check the output of TU1000

Fail

Check 5V, 33V of TU1000 Re-soldering or Change the defect part

Pass

Check the signal of L1209, L1210, L1212

Fail

Change L1209, L1210, L1212

Pass

Check the input/output of IC1

Fail

Re-soldering or Change the defect part Chek X11

Pass

Check the input/output of IC800, IC851

Fail

Re-soldering or Change the defect part

Pass

Check the input/output of IC901

Fail

Re-soldering or Change the defect part Check X900

Pass

Check input source cable and jack

No Sound

Check the input source

Fail

Change source input

Pass

Check the input/output of IC1 Pass

Fail

Re-soldering or Change the defect part Check X11

Check the input/output of IC100,IC101

Fail

Re-soldering or Change the defect part

Pass

Check the speaker Fail Pass

Change speaker

Check the speaker wire

ML-041B Block Diagram
POWER
IC100 IC101 Audio Amp L, R AT49F IC905 GM2221 IC901 TC90A65F IC500 SM5301BS IC800

TTL 1 OUT TTL 2 OUT LVDS 1 OUT

ANALOG SIGNAL DIGITAL SIGNAL SOUND INPUT IF +,- INPUT SOUND OUTPUT
PC RGB

VCTI IC1 AT24C16 IC4

Z1000

LA7222 IC2 S A W

SIDE_L,R

BLOCK DIAGRAM

IF+,-

SIDE V

SCART R,G,B SCART V,L,R COMPONENT L,R
D-SUB 14066 IC202

Tuner TU1000

PC L,R
AUDIO PC

AC IN

Y Pr

Pb

H/P

S-VHS

V

SIDE_AV
M52758FP IC851

RGB OUT

BLOCK DIAGRAM DESCRIPTION
1. Video Controller Unit & Display Data Conversion Unit The video controller unit receives the video signals inputted through the tuner, AV port (AV1, AV2, S-Video, component), and converts them into an analog RGB signal through the microcomputer (VCTI) combined with the video decoder that integrates various functions in one chip. Either the analog RGB, component YPbPr or PC RGB signal is selected by the switching IC and inputted to a scaler (GM2221), which is sent to the LCD module after being modified to an LVDS signal through the integrated LVDS IC. Or, it is sent to the LCD module as a TTL output. VCTi is the main microprocessor that handles video signal processing and sound signal processing. It also manages the RF signals received from the tuner. The scaler can control timing to fit into the LCD panel, and can also control the size and position of the input signal. 2. Power Supply Unit The power supply unit provides 15V and 5V DC power to the mainboard. The PWM Step-Up DC/DC Converter circuit is used to generate the 33V used for the tuner. 15V power is directly used by the sound amplifier IC and is also used to generate 5V power through the regulator. 12V power is used for the LCD panel power, and 5V power is converted to 3.3V and 1.8V power through the regulator, which in turn supplies electrical power for ICs such as VCTI and scaler.

WIRING DIAGRAM

1. 20P LVDS : 200MM 2. 41P TTL 3. 50P TTL : 145MM 4 3 11P_2.0MM H-H 100MM 5 2 P901 P904 P902

Wiring Part List
No. 1 2
6

Part No. 6631T25019Y 6631T11017P-CMO 6631T11017Q-AUO 3 4 5 6631T11021A 6631T11012R 6631T20028G

6P_2.0MM H-B P210 600MM 1 3P_2.5MM H-B 220MM

6
7

6631T20029X 7 8 9 6631T25021A 6620K00007C or 6620K00007A 6631T11017R

IR_LED

18P_1.0MM FFC 54MM (RZ ONLY) P3 9 P1203

8

2P_AC_SOCKET RECEPTERCLE

LOCAL KEY

4P_2.5MM SHIELD GND: 2PIN, 4PIN 500MM 750MM

SPEAKER

SPEAKER

EXPLODED VIEW
16 12 3

10 9 13 14 11 8 15 2 19 17 18 1 4 20

5

5

22 21 6

7

EXPLODED VIEW PARTS LIST
No. 1 PART NO. 3091V00587A 3091V00587C 2 6306V20002A 6304FAU017A 3 3809TKD002R 3809TKD002M 3809TKD002P 4 4811V00073A 4811V00073C 5 6 7 8 6400GKTX01C 6871TST562A 6871TST563A 4951TKS175C 4951TKS175A 4951TKS175E 4951TKS175G 9 10 11 12 3313TP2029A 6871TPT280A 6871TST615A 4951TKK186E 4951TKK186F 13 14 15 16 17 18 19 20 21 22 4950TKK916B 4810V00925B 5020V00871A 3550V00383A 4950V00157E 4810V00767A 4810V00768A 4810V00924A 4950V00194A 4950V00193A DESCRIPTION CABINET ASSEMB