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Download SAMSUNG CK 3351 EZ5X MEDION docs - TV - Conventional CRT, LCD Projectors, TFT, Plasma, Big Screen, HDTV, Home theater - Service manuals, repair tips| File information: | | File name: | Service_Manual.part1.rar
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| Information about the files in archive: | | Decompress result: | OK | | Extracted files: | 12 | | File name | | Text | | 01_Cover.pdf | | COLOR TELEVISION RECEIVER
Chassis : Model: SCT13B CK331EZR4X/BWT CK501EZR4X/BWT
COLOR TELEVISION RECEIVER
CONTENTS
1. Precautions 2. Specifications and IC Data 3. Disassembly and Reassembly 4. Alignment and Adjustment 5. Troubleshooting 6. Exploded View and Parts List 7. Electric Parts List 8. Block Diagram 9. PCB Layout Diagram 10. Wiring Diagram 11. Schematic Diagrams
ELECTRONICS
© Samsung Electronics Co., Ltd. MAY.1998
Printed in Korea 3SCT13B-31K101
| | 02_Precaution.pdf | | Precautions
1. Precautions
Follow these safety, servicing and ESD precautions to prevent damage and protect against potential hazards such as electrical shock and X-rays.
1-1 Safety Precautions
1. Be sure that all of the built-in protective devices are replaced. Restore any missing protective shields. 2. When reinstalling the chassis and its assemblies, be sure to restore all protective devices, including: nonmetallic control knobs and compartment covers. 3. Make sure that there are no cabinet openings through which peopleÑparticularly childrenÑmight insert fingers and contact dangerous voltages. Such openings include the spacing between the picture tube and the cabinet mask, excessively wide cabinet ventilation slots, and improperly fitted back covers. If the measured resistance is less than 1.0 megohm or greater than 5.2 megohms, an abnormality exists that must be corrected before the unit is returned to the customer. 4. Leakage Current Hot Check (Figure 1-1): Warning: Do not use a | | 03_Product Specification.pdf | | Specifications and IC Data
2. Specifications and IC Data
2-1 Specifications
Television System:
MODEL CI CII CX CK CW CS
SYSTEM PAL-I (UHF) PAL-I (VHF/UHF) PAL-B/G, SECAM-B/G PAL-B/G, D/K, SECAM-B/G, D/K PAL-B/G, D/K, SECAM-B/G, D/K, NT 4.43 PAL-B/G, D/K, SECAM-B/G, D/K, NT4.43, NT3.58 PAL/SECAM- PAL, SECAM- D/K B/G,I 2 - 12 21 - 69 1 - 13 21 - 69 SECAM-K1, PAL-D 2-9 13 - 57 NTSC - M
Channels:
System Band VHF UHF
2 - 13 14-69
Intermediate Frequencies (MHz) :
SYSTEM IF Carrier Frequency Picture IF Carrier Sound IF Carrier Color Sub Carrier
PAL/SECAM-D/K, PAL/ SECAM- B/G SECAM-K1 38.90 33.40 34.47 38.90 32.40 34.47 Quick start, in-line-gun,
PAL - I
NTSC - M
38.90 32.90 34.47
38.90 34.40 35.32
Picture Tube:
14 Inch 20 Inch 21 Inch
A34KQV42X A48KRD82X A51KQJ63X
Black stripe, 90 degree deflection
Power Requirements: Antenna Input Impedance: Speaker Impedance
AC 100~260V, 50/60Hz VHF, UHF : Telescopic dipole antenna (75 ohm unbalanced type ) 8 ohm, 5W+5W (Dual Type) 16 ohm, | | 04_Disassembly & Reassembly.pdf | | Disassembly and reassembly
3. Disassembly and Reassembly
3-1 Back Cover Removal
1. After removing the 9 screws, pull the cabinet backwards.
Samsung Electronics
3-1
Disassembly and reassembly
3-2 Speaker Removal
1. Loosen the 4 screws and remove the holder speakers.
3-2
Samsung Electronics
Disassembly and reassembly
3-3 CRT Removal
1. Spread a soft mat on the floor. Place the TV set face down. 2. Remove the 4 screws mounting the CRT to the front cabinet. 3. Lift the CRT.
Samsung Electronics
3-3
MEMO
3-4
Samsung Electronics
| | 05_Alignment & Adjustment.pdf | | Alignment and Adjustments
4. Alignment and Adjustments
4-1 Preadjustment
4-1-1 Factory Mode
1. Do not attempt these adjustments in the Video Mode. 2. The Factory Mode adjustments are necessary when either the EEPROM (IC902) or the CRT is replaced. 3. Do not tamper with the "Adjustment" screen of the Factory Mode menu. This screen is intended only for factory use.
4-1-3 When CRT Is Replaced
1. Make the following adjustments AFTER setting up after setting up purity and convergence : White Balance Sub-Brightness Vertical Center Vertical Size Horizontal Size Fail Safe (This adjustment must be the last step). 2. If the EEPROM or CRT is replaced, set SC and PVA to 10 and 45 (Factory mode). SC : 14, 16 Inch : 0 20, 21 Inch : 10
4-1-2 When EEPROM (IC902) Is Replaced
1. When IC902 is replaced all adjustment data revert to initial values. It is necessary to re-program this data. 2. After IC902 is replaced, warm up the TV for 10 seconds.
4-2 Factory/Service Mode
4-2-1 Procedure for the "Adjus | | 06_Troubleshooting.pdf | | Troubleshooting
5. Troubleshooting
5-1 No Video (Raster On, No Sound)
Open the IF Pin of Tuner
Measure the Voltage of Each Pin of TU01
No
Check/Replace TU01, MC101
Yes
Check IC901 Pins 39, 40 Yes
No
Check/Replace IC901, IC201
See "No Video" (Sound OK)
See "No Sound" (Video OK)
Samsung Electronics
5-1
Troubleshooting
5-2 No Power
Check the 125V, 13.0V B+ Lines
No
Check/Replace IC801, D801, F802
Yes
Check IC802 Pin 9 (5V)
No
Check/Replace IC802 (KA7630)
Check IC901 Pin 16 (4V).
No
Check/Replace IC901
Yes
Check IC901 Pin 18 ; Stand-by : 0V Normal : 5V
No
Check/Replace IC901, (µ-com).
Check IC201, Pin 40 (H-out)
No
Check/Replace IC201, Q401, Q402.
5-2
Samsung Electronics
Troubleshooting
5-3 No Video (Sound OK)
Check IC201 Pin 12,37 (8V)
No
Check/Replace IC802 KA7630
Yes
Check IC201 Pin 6 (CVBS)
No
Check/Replace IC201
Yes
Check IC201 Pins 19, 20, 21
No
Check IC201 pin 27 (Y-IN)
No
Check/Replace IC201, Q203
Yes
Check IC501 on the CRT PCB
No | | 07_Exploded View & Part List.pdf | | Exploded View & Parts List
6. Exploded View & Parts List
6-1 CK331EZR4X/BWT
No Code No Description Specification Q'ty Remark
1 1-1 1-2 1-3 1-4 1-5 1-6 1-7 1-8 1-9 1-10 1-11 1-12 1-13 2 2-1 2-2 3 3-1 3-2 4
AA91-10298L AA64-30981M AA63-50306A AA63-50311A AA64-70009F AA64-10638B AA61-60005S AA65-30010A AA95-90018U AA60-10002A AA61-40053A 3001-001034 6002-000514 AA64-40408A AA64-40407A AA64-10637A AA03-10001D AA65-30016A AA60-10050D AA64-30983D AA42-10001V 6002-000514 AA39-10001G
ASSY-CABINET,FRONT CABINET-FRONT GRILLE-WOOFER,R GRILLE-WOOFER,L BADGE-BRAND KNOB-POWER SPRING-CS CLAMP-WIRE ASSY-PCB FRONT A/V SCREW-TAPPING STOPPER-PCB SPEAKER SCREW-TAPPING INDICATOR-LED WINDOW-REMOCON KNOB-CONTROL CRT-COLOR CLAMP-D,COIL SCREW-ASSY CABINET-BACK ANT-ROD SCREW-TAPPING POWER-CORD
CIS,CK331EZR,PA100,HI -,CK331EZR,PA100,HIPS,HB,B -,331E,PA110 3R,SECC,T0. -,331E,PA110 3R,SECC,T0. AL,SS R800 22,SILVER,L40,-,-,331E,-,ABS,HB,BLK -,SUS304,0.6,OD10,H12.5,N4,-,NYLON-66,V0,NTR,-,-,-,39,85,SCT13B,MULTI, | | 08_Electrical Part List.pdf | | Electric Parts List
7. Electric Parts List
7-1 CK501EZR4X/BWT (CK331EZR4X AND CK501EZR4X Dissimilar Parts)
Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark
ASSY-PCB,MAIN(OPT)
BUYER : SALSC (ALMATY) * C409 C410 C416 CN501 CN802 ! Q401 R253 R305 R410 R411 R505 ! T444 ! V999 AA94-10116V ASSY-PCB,MAIN(OPT);CK501EZR4X/BWT,SCT13B 2306-000253 C-FILM,MPPF;7.2nF,5%,1.6KV,TP,28.5x18.5x 2201-000406 C-CERAMIC,DISC;270pF,10%,2KV,Y5P,TP,8x6, 2306-000204 C-FILM,MPPF;430nF,5%,400V,TP,26x20.5x12. AA39-20122ALEAD-CONNECTOR,ASSY;-,YBNH025-08,YBNH025 AA27-20002ACOIL-DEGAUSSING;-,20,13.5OHM,35T,L2300, 0502-000295 TR-POWER;KSD5072YD,NPN,1500V,800V,5A,60 2001-000319 R-CARBON;120Kohm,5%,1/8W,AA,TP,1.8x3.2m 2004-001370 R-METAL(S);1.3ohm,1%,1/2W,AA,TP,2.4x6.4m 2004-001408 R-METAL(S);91Kohm,1%,1/2W,AA,TP,2.4x6.4m 2004-001408 R-METAL(S);91Kohm,1%,1/2W,AA,TP,2.4x6.4m 2008-001011 R-FUSIBLE(S);0.18ohm,10%,2W,AF,TP,3.9x10 AA26-30001Y TRANS-FLYBACK;-,FSV-20A0 | | 09_Block Diagram.pdf | | Block Diagram
8. Block Diagram
8-1 SCT13B
TUNER TECC0985VD28A
BPF 4.5MHz NTSC SIF
SOUND AMP 1CH x 3W TDA7056A
OPTION SPEAKER 16R x 1EA MONO SPEAKER DUAL SPEAKER
Pre-AMP PAP102
S/W VIF SAW OFWK5263K PAL/NTSC
BPF 5.5/6.5MHz PAL SIF
SOUND AMP 4W x 2CH TDA7057AQ
SPEAKER 8R x 2EA
EEP-ROM X24C04P PAL I2C BUS
NTSC
1CHIP IF/VIDEO/CHROMA/DEFLECTION TDA8374
VERTICAL AMP TDA8356
RGB-AMP TDA6107Q
IC-MCU SZM-139M3 NORMAL STANDBY
1H-DELAY/SECAM TDA4665 TDA8395
H-OUT TR 20" KSD5072Y 14" KSD1771Y
CRT
TO SOUND IC B+ 12.5V STR KA2S0680 POWER-CORD DIODE-BRIDGE D2SB60 SWITCHING TRANS FBT B+ 125V TO µ-COM B+ 5V TO 1CHIP B+ 8V
FBT 20" FSV-20A001 21" 14" FCK-14A033
SWITCH MULTI REGULATOR KA7630
REGULATOR KA7812 TUNER B+ 9V
Samsung Electronics
8-1
| | 10_PCB Diagram.pdf | | PCB Layout
9. PCB Layout
9-1 PCB MAIN
Loc. No. X DIODE D201 D202 D204 D205 D208 D209 D210 D211 D212 D213 D214 D215 D216 D217 D219 D220 D401 D402 D403 D404 D405 D406 D501 D502 D503 D504 D701 D800 D801 D802 D803 D804 D805 D806 D809 D810 D901 D903 D905 D906 D907 D908 D909 DN03 DT01 DT02 DT03 DZ201 DZ202 DZ203 DZ204 DZ207 DZ208 DZ301 DZ302 DZ401 DZ501 DZ502 DZ503 DZ504 DZ602 125 116 122 71 159 126 121 209 199 204 194 137 134 132 64 98 99 99 84 84 72 40 23 25 25 25 129 221 188 112 104 172 97 181 158 159 106 173 152 152 152 152 216 66 152 152 152 93 119 127 89 148 129 133 54 44 34 41 48 51 81 97 124 111 187 153 188 196 174 174 174 174 148 148 148 151 189 73 77 52 39 62 100 178 224 220 217 121 19 51 11 38 27 45 9 18 21 238 121 142 140 135 130 122 162 137 132 127 108 132 108 50 139 116 85 81 139 221 230 238 238 214 Y Loc. No. DZ603 DZ701 DZ702 DZ703 DZ704 DZ705 DZ801 DZ802 DZ803 DZ804 DZ805 DZ806 DZ807 DZ901 DZ902 DZ903 DZ904 DZ905 DZ907 DZ908 DZ909 X 88 35 35 25 35 35 158 163 107 159 107 162 | | 11_Wiring Diagram.pdf | | Wiring Diagram
10. Wiring Diagram
10-1 SCT13B
POWER CORD CRT PCB
CN501B 1 2 3 4 5 CN501B 1 2 3 CUT/OFF GND B-OUT G-OUT R-OUT
180V GND HEAT CN603 L+ OUT L- OUT R- OUT R+ OUT 1 2 3 4 CN701 SOUND L IN SOUND L OUT SOUND R IN SOUND R OUT FRONT VIDEO IN GND 21 PIN VIDEO IN GND 21 PIN AUDIO IN GND FRONT AUDIO OUT 1 2 3 4 5 6 7 8 9 10 11
Samsung Electronics
10-1
MEMO
10-2
Samsung Electronics
| | 12_Schematic Diagram.pdf | | Schematic Diagrams
11. Schematic Diagrams
11-1 TTX Micom
Samsung Electronics
11-1
Schematic Diagrams
11-2 W/O TTX Micom
11-2
Samsung Electronics
Schematic Diagrams
11-3 ONE CHIP/CHROMA Block
Samsung Electronics
11-3
Schematic Diagrams
11-4 IF/Sound . EXT-A/V Block
11-4
Samsung Electronics
Schematic Diagrams
11-5 Power /Vertical /Horizontal /CRT
Samsung Electronics
11-5
Schematic Diagrams
11-6 A/V Front, SUB
11-6
Samsung Electronics
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