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SERVICE MANUAL
8T83 CHASSIS
HYUNDAI
LCD-1502
15.1INCH LCD TV
MANUAL
Design and specifications are subject to change without prior notice.
( ONLY REFERRENCE)
_____
ENGINEER BY: _____
CHECKED BY: PPROVED BY: _____
PR.FROLOV
Contents
Note ----------------------------------------------------------------- 2
Technical specification-------------------------------------------- 3-4
Chassis Block Diagram-------------------------------------------- 5
IC Block Diagram ---------------------------------------------------6-12
Transistor mark ---------------------------------------------------- 13
PCB Top/Bottom layer --------------------------------------------- 14-18
Service Adjustments ----------------------------------------------- 19-20
Control Location ----------------------------------------------------21
Input and Output Terminals--------------------------------------- 22
Operation Instructions--------------------------------------------- 23-30
Cabinet parts List -------------------------------------------------- 31
Circuit Diagram----------------------------------------------------- 32
-2-
TECHNICAL SPECIFICATION
-3-
TECHNICAL SPECIFICATION
-4-
Chassis Block Diagram
-5-
IC Block Diagram
IC 900 ( 8-BIT MCU) BA6161A
IC 905 LM2596S
-6-
IC Block Diagram
IC2 TDA4470
IC602(POWER ) STR-G6653
-7-
IC Block Diagram
U302 U103 (VIDEO QUAD 2-CHAN NEL MUX/DEMUX) PI5V330Q
U307( NTSC LINE 21 CCD DECODER) Z8622912PSC
-8-
IC Block Diagram
U311 U313 U412 (DUAL RETRIGGERABLE MONSTABLE MULTIVIBRATOR ) 74HC123D
U304 (1.2V TO 37V VOLTAGE REGULATOR) LM317
-9-
IC Block Diagram
U106 (8M BIT CMOS 3 V BOOT FLASH MEMORY) AM29LV800BT-90EC
U309 (2 X 6W STEREO POW ER AMPLIFIER) TDA1517P
-10-
IC Block Diagram
U305 (Teletext Decoders) BA6161N
U107 (SWITCHING REGULATOR F OR ELECTRONIC TUNING) AT24C16N-10SA-2.7C
-11-
IC Block Diagram
U112 U113 U115 U116 (800mA LOW DROPOUT V OLTAGE REGULATOR) AMS1117
-12-
Transistor Mark
GND
VCC
LM78L 08
AMS111 7 MC78M05CDT IMP809
GND RESET
GND OUTPUT INPUT INPUT OUTPUT
OUTPUT GND INPUT
C C
S3906 LM108 6
S3904
B E B E GND OUTPUT INPUT
-13-
VGA&CONTROL PCB Top Layer
VGA PCB TOP LAYER
CONTROL PCB TOP LAYER
-14-
Service Adjustments
-15-
Service Adjustments
-16-
Control Location
FUNCTIONAL PARTS
Front View of TV Set
1. Remote Sensor
2. AV Button
3. OK Button
4. Main Menu Button 10
10
5. PROG.+Button
6. PROG.- Button
7. VOL.+Button 1
8. VOL.- Button 2
9. Power Indicator/Stand by Button 3
10. Speakers 4
5
6
7
8
9
To turn the TV power ON
Put the TV set on the correct place, then connect the DC plug of the AC-DC adaptor
to the DC 12V socket at the back or the TV set. Connect the adaptor main cord to
the wall outlet, then the power indicator will turn red, the TV set at Standby Mode.
After you press the Standby Button the power indicator will change to green. It need
a few second before the picture appear.
To turn the TV power OFF
Press the Standby Button to make the TV set in Standby Mode., then disconnect
the power plug from the wall outlet.
NOTE
I f the TV set does not receive any signal for 5 minutes, it will enter standby mode.
If you are not going to use this TV set for a long time, switch off the set using
the power switch on the TV set and disconnect the power plug from the wall outlet.
-17-
Operation Instructions
Rear View of TV Set
1. DC 12V In
2. VGA In
3. AV Audio Right In
4. AV Audio Left In
5. AV Video In
6. S-VIDEO IN
7. Antenna Input Socket(75Ohm)
8. SCART
9. PHONE
1 2
DC12V PC INPUT
Adaptor
7 6 5 3 4 8 9
ANT IN S-VIDEO VIDEO R L SCART PHONE
NOTE
S.VIDEO and AV IN 1 (VIDEO) inputs cannot be used at the same time.
Precautions when connecting to other equipment
When using external equipment with this TV set, please read the instruction
manual of the external equipment.
Switch off all power supplies to the equipment and TV set before connection.
Always ensure that the input and output terminals are correctly connected.
-18-
Operation Instructions
Remote Control Unit
1 POWER ON / STANDBY button
Press this button to switch on the TV when
at standby mode.
2 SLEEP button
1 Press this button to set the sleep timer.
When the preset length of time has passed,
1 2 3 P.M .
the TV set enters standby mode.
4 5 6 SYS
3
7 8 9 3 SOUND SYSTEM button
- /- - 0 Q.
VIEW 2 Press this button to select the correct
X I/II
4 sound system.
MIX INDEX LANGUAGE
REVEAL SIZE SUB. PAGE HOLD
4 STEREO/BILINGUAL SOUND button (option)
AV OK When stereo program is received, press
CH
this button to select STEREO or MONO.
When bilingual program is received, press
6 VOL.- MENU VOL.+
this button to select DUAL-1, DUAL-2 or
MONO.
5 CH
The screen will display NICAM or A2 when
such broadcast is received.
Mode Description
STEREO Stereo mode.
MONO Mono mode.
DUAL-1 Multi-sound channel for language 1.
DUAL-2 Multi-sound channel for language 2.
5 CHANNEL UP CH + / DOWN CH - buttons
Press these buttons to select channels in
ascending or descending order.
6 VOLUME UP VOL+ / DOWN VOL- buttons
Press these buttons to adjust the volume level
up or down.
-19-
Operation Instructions
7 MUTE button
Remote Control Unit
Press once to mute the sound. Press again
to restore the sound volume.
8 QUICK VIEW button
Press this button to return to the previously
viewed program.
7 9 PICTURE MODE button
1 2 3 P.M .
9 Press this button to select the desired
4 5 6 SYS
picture mode.
11
7 8 9 CUSTOM RICH
8
Q.
10 - /- - 0 VIEW
X I/II STANDARD SOFT
MIX INDEX LANGUAGE
REVEAL SIZE SUB. PAGE HOLD
Picture Mode Description
CUSTOM User preset picture mode.
SOFT Low contrast and low brightness level.
AV OK
STANDARD Middle contrast and middle brightness level.
CH
RICH High contrast and high brightness level.
VOL.- MENU VOL.+
10 DIGIT button
CH
This TV allows you to select channels from
0 to 255.
Press this button to select one-digit, two-
digit or three-digit channels input options.
To select a one-digit channel (e.g. Channel
8), press this --/--- button to change
channel selection to "-" on screen display
and press the "8" button only.
To select a two-digit channel (e.g. Channel
28), press this --/--- button to change
channel selection to "--" on screen display
and press "2" and "8" buttons.
To select a three-digit channel (e.g. Channel
128), press this --/--- button to change
channel selection to "---" on screen display
and press "1" , "2"and"8" buttons.
11 CHANNEL SELECTION buttons
Press the number buttons to select a channel.
-20-
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
A A
B B
C C
D D
E E
F F
G G
H H
I I
J J
K K
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
IC Block Diagram
IC 900 ( SWITCHING REGULATOR FOR ELECTRONIC TUNING) BA6161A
IC 905(3A STEP-DOWN VOLTAGE REGULATOR) LM2596S
-6-
IC Block Diagram
IC2 (MULTI STANDARD VIDEO-IF)TDA4470
IC602(POWER ) STR-G6653
-7-
IC Block Diagram
IC 300 (Multi standard Sound Processor Familyt) MSP3415G
Ic700 (Filter Video Processor ) VPC3230D-C5
-8-
Transistor Mark
GND
VCC
LM78L 08
AMS111 7 MC78M05CDT IMP809
GND RESET
GND OUTPUT INPUT INPUT OUTPUT
OUTPUT GND INPUT
C C
S3906 LM108 6
S3904
B E B E GND OUTPUT INPUT
-9-
Operation Instructions
Remote Control Unit
12 MENU button
Press this button to enter the menu screens
for various optional adjustable settings.
13 OK button
Press the button to sure the selected item or
enter the submenu.
1 2 3 P.M .
14 AV button
4 5 6 SYS
Press this button to switch between TV
7 8 9 15
broadcasts and AV input programs.
Q.
- /- - 0 VIEW
MIX INDEX
X
LANGUAGE
I/II TV VIDEO S-VIDEO
REVEAL SIZE SUB. PAGE HOLD
VGA SCART
14 AV OK
13 15 RECALL button
CH
Press this button to display the settings on
VOL.- MENU VOL.+ the screen. (e.g. Channel number, system)
12
CH
-21-
Operation Instructions
TELETEXT OPERATIONS
For models with Teletext function only.
This page shows the function of the buttons on the remote control unit when
in Teletext mode.
1 MIX button
Press this button to enter Teletext mode.
Press this button the second time to
mix mode.
Press this button again to exit .
2 TELETEXT PAGE UP CH +
1 2 3 P.M .
/ DOWN CH - buttons
3
4 5 6 SYS Press these buttons to increase or decrease
7 8 9 the Teletext page number.
Q.
5 - /- - 0 VIEW 3 PAGE NUMBER SELECTION buttons
1 MIX INDEX
X
LANGUAGE
I/II 6 Press the number buttons to select a
7 REVEAL SIZE SUB. PAGE HOLD Teletext page number.
4
8 AV OK 4 COLOUR buttons
CH
Press these buttons to access directly to
the corresponding pages displayed at the
VOL.- MENU VOL.+
lower part of the Teletext screen.
2
CH
5 INDEX button
Press this button to go to the index page.
6 LANGUAGE button
Press this button to select the Teletext language
group.
7 REVEAL button
Press this button to reveal the hidden
information for some Teletext pages (e.g.
answers to puzzles or riddles). Press again
to hide the information.
8 SIZE button
Press this button to change the Teletext
screen display mode through the following:
- Upper half screen enlarged
- Lower half screen enlarged
- Normal screen state
-22-
Operation Instructions
9 HOLD button
Press this button to hold the Teletext page
on display to prevent the page from changing.
Press again to release the hold state.
10 SUB.PAGE button
Some Teletext pages(e.g. P250)may contain
1 2 3 P.M .
several sub-pages which are automatically
4 5 6 SYS
paged in a certain cycle by the TV station.
7 8 9 Press this button once, "P250/---" will be
Q.
displayed on screen. Enter number buttons
- /- - 0 VIEW
(0-9) to look for other sub-pages if available.
X I/II 10 If there is no sub-pages,the screen will be
MIX INDEX LANGUAGE
REVEAL SIZE SUB. PAGE
9 displayed. Press this button again to
HOLD
cancel.
AV OK
CH
VOL.- MENU VOL.+
CH
-23-
Operation Instructions
1 2 3 P.M .
4 5 6 SYS
MENU SCREENS 7 8 9
Q.
- /- - 0 VIEW
This TV set allows you to adjust any settings by selecting from the menu screens.
X I/II
MIX INDEX UPDATE
REVEAL SIZE SUB. PAGE HOLD
Menu button
AV OK
CH
Picture
VOL.- MENU VOL.+
CH
Press this button to display main menu, including Picture, Sound, Setup, Tune, VGA set and
Exit. You can select them by pressing the VOL+/- buttons, and enter the submenu by pressing
OK menu. The selected item will change to red.
Picture menu
Enter Picture menu, you can select Bright, Contrast,
Picture
Colour, Sharpness and Hue(if NTSC system) items by
Bri 48
60 pressing PROG+/- Buttons. You can adjust the item
Col 50 selected by pressing VOL+/-.The adjusted level is
Shp 2 stored in Custom mode.
Sound menu
Enter the Sound menu, you can adjust Volume and
Sound Balance by pressing VOL+/-.
Vol 35
Bal 50
-24-
Operation Instructions
Setup menu
Enter this menu, you can select Input Select
Setup ,Language ,Factory Reset ,H position and V position
Input select items by pressing PROG+/- buttons. You can adjust
Language the H position and V position to change the OSD
Factory Reset position on screen by pressing VOL+/- buttons, or
Hpos 32
Vpos 50 enter the submenu of the Input Select, Language and
Factory Reset items by pressing OK button.
Input Select menu
InPut Select
In this menu you can select the signal source, TV,
TV
Video VIDEO, S-VIDEO, SCART or VGA.
S-Video
Scart
VGA
Tune menu
In this menu you can complete the tune function.
Tune Select the Sound SYS, adjust the item to correct
Program 1 system, then select the Auto item and press OK button
Skip OFF to begin search program. After finished search, the
Band V-L program will back to NO.0 the picture will appear the
MST 49.75MHZ
Search sound will be out.
Auto Search
Sound SYS I
1. Program
In this item, you can store the program number which are watching, and change
the number by VOL+/-.
2. Skip
You can set ON by VOL+/- buttons if you want to cancel the channel number
which you are watching.
3. Band
You can select V-L, V-H or UHF.
4. MST
To tune in weak station this item must be used.
5. Search
Press VOL+/- buttons to start searching. The VOL- button decrease the frequency,
the VOL+ button increase the frequency.
6. Auto
Press OK button to start search program automatically from V-L to UFH, the
searched program will be stored orderly.
7. Sound SYS
You can select BG, DK, I or M.
-25-
Operation Instructions
VGA SET menu This menu is only for PC monitor mode (VGA input).
1. Auto Config
Select auto config to adjust the screen position
Setup
automatically. It need a few seconds, in this time the
Auto Config
Clk screen will black.
Phs 2. Clk
Hpos Press the VOL+/- to minimize any bertical bars or
Vpos
stripes visible on the screen background.
3. Phs
When necessary, adjust the pixel phase of the
picture to avoid picture interference.
4. Hpos/Vpos
Press the VOL+/- buttons to adjust the picture
Horizontal and Vertical position.
Monitor Display modes
Horizontal Vertical
MODE Resolution Frequency(KHZ) Frequency(KHZ)
31.5KHz 60Hz
VGA 640X480 37.7KHz
37.5KHz
72Hz
75Hz
37.9KHz 60Hz
SVGA 800X600 48.1KHz
46.9KHz
72Hz
75Hz
48.4KHz 60Hz
56.5KHz 70Hz
XGA 1024X768 60.0KHz 75Hz
64.0KHz 80Hz
Note:
1.If the set is cold, there may be a small "flicker" when the set is switched on. This is
normal,There is nothing wrong with the set .
2.If possible , use the VESA 1024X768@60HZ video mode to obtain the best image
quality for your LCD monitor. If used under the other resolutions some scaled or
processed pictures may appear on the screen. The TV has pre-adjusted to the mode
VESA 1024X768@60HZ.
3. Some dot defects may appear on the screen ,like red. green or blue. Spots,
However, this will have no impact or effect on the monitor performance.
4. Do not press the LCD screen with your finger for a long time as this may incur
some after Images.
-26-
Cabinet Parts List
7
3 3
1 8
2
5
6
PHONE PC A.IN R L Y CB CR S-VIDEO ANT IN R L VIDEO
4
9
Key No. Part No. Description
1 1007-15L010-01 POWER KNOB HOLDER LENS
2 1008-15L01M-01 CONTROL KEY KNOB - #MSG001
3 1001-15L01M-01 FRONT CABINET - #MSG001 FOR 8T81
4 1009-15L01M-01 POWER KNOB - #MSG001
5 1213-15L010-01 INLAY (A) - VGA INPUT COVER #MSG001 ENG (PVC)
6 1213-15L010-02 INLAY (B) - BACK AV JACK COVER #MSG001 ( 8T81)ENG FOR SCART PVC
7 1002-15L01M-01 BACK CABINET - #MSG001
8 0601-15L010-01 BACK LABEL ENG (8T81)
9 0806-RC0800-03 HANDSET - 33 KEYS FOR (8T81)
-27-
1 2 3 4
D D
C C
B Top Level B
Top Level_1
Title
A A
Size Number Revision
B
Date: 10-Jun-2004 Sheet of
File: C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\Rar\NEW SKY5020.DDB
Drawn By:
1 2 3 4
PDF "pdfFactory" www.fineprint.com.cn
1 2 3 4
Sheet 7
Sheet 1 1. Input Connectors Sheet 4 4. gm5020
VGA-R DCLK
VGA-R VGA-R DCLK DCLK
VGA-G DVS
VGA-G VGA-G DVS DVS
VGA-B DHS
VGA-B VGA-B DHS DHS
VS DEN
VS VS DEN DEN
HS
HS HS
D +5V DARED[0..7] D
+5V +5V DARED[0..7] DARED[0..7]
DAGRN[0..7]
DAGRN[0..7] DAGRN[0..7]
DABLU[0..7]
DABLU[0..7] DABLU[0..7]
RXC+
RXC+ RXC+
RXC- DBRED[0..7]
RXC- RXC- DBRED[0..7] DBRED[0..7]
RX2+ DBGRN[0..7]
RX2+ RX2+ DBGRN[0..7] DBGRN[0..7]
RX2- DBBLU[0..7]
RX2- DBBLU[0..7] DBBLU[0..7]
RX1+
RX1+
RX1- /PANEL_EN
RX1- /PANEL_EN
RX0+ LVDS_EN
RX0+ LVDS_EN
RX0-
RX0-
HS
RX2- HS 5.teletext
AV-CVBS
SC-CVBS
VS
DDC_SDA VS
SC-G G
SC-B B
SC-R R
Sheet 8
DDC_SCL
S-Y
S-C
DDC_SCL
DDC_SDA
DDC_SDA
FSDATA[0..47]
FSDATA[0..47] FSDATA[0..47]
FSADDR[0..13]
FSADDR[0..13] FSADDR[0..13]
C FSCLK
C
FSCLK FSCLK
FSCKE
FSCKE FSCKE
Sheet 9 9.tuner FSRAS
FSRAS FSRAS
FSCAS
FSCAS FSCAS
VCLK FSWE
TV-CVBS TV-CVBS VCLK FSWE FSWE
AV-CVBS
SC-B B
SC-R R
SC-CVBS
S-Y
SC-G G
S-C
YUV[0..7] FSDQM0
SIF 10 YUV[0..7] FSDQM0 FSDQM0
FSDQM1
AM 11 FSDQM1 FSDQM1
FSDQM2
7 12 FSDQM2 FSDQM2
FSDQM3
8 13 3 FSDQM3 FSDQM3
SCL
6. Frame Store
Sheet 2 2. Video Decoder
Sheet 9
Sheet 10 10.audio Sheet 3 3. MCU
SCL
SCL
SDA
SDA
/RESET
B /RESET /RESET B
GPIO[0..7]
GPIO[0..7] GPIO[0..7]
HDATA[0..3]
HDATA[0..3] HDATA[0..3] 7. Power
HFS
HFS HFS Sheet 10
HCLK
HCLK HCLK
/IRQ
/IRQ /IRQ
/PANEL_EN
/PANEL_EN
LVDS_EN
LVDS_EN
8.LVDS
A Title A
Size Number Revision
Orcad A
Date: 10-Jun-2004 Sheet of
File: C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\Rar\NEW SKY5020.DDB
Drawn By:
1 2 3 4
PDF "pdfFactory" www.fineprint.com.cn
1 2 3 4
D D
C C
Input boards
BLUE- RX0+
RED- RX1-
RED+ RX2-
BLUE+ RX2+
HS RXC-
GREEN+ RXC+
B GREEN- RX0- B
VS DDC_SDA
RX1+ DDC_SCL
Input boards
Input Connectors
BLUE- BLUE- RX0+ RX0+
RED- RED- RX1- RX1-
RED+ RED+ RX2- RX2-
BLUE+ BLUE+ RX2+ RX2+
HS HS RXC- RXC-
Title
A GREEN+ GREEN+ RXC+ RXC+ A
GREEN- GREEN- RX0- RX0-
VS VS DDC_SDA DDC_SDA
Size Number Revision
RX1+ RX1+ DDC_SCL DDC_SCL
B
Input Connectors
Date: 10-Jun-2004 Sheet of
1 2 3 File: C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\Rar\NEW SKY5020.DDB
Drawn By:
4
PDF "pdfFactory" www.fineprint.com.cn
1 2 3 4 5 6
L120
SC-L
R120
C120
C124 4.7K
10pF
10pF
JP120 C131
6 L121 22uF/16V
AL-I SC-Test
+
8 R121
SC-Test C121 C125 4.7K CVBS-SC L124 CVBS-O
2 10pF 10pF
D AR-I C129 C130 D
20 10pF 10pF
CVBS-I
5
GND L122
15 SC-R
R R122
7 C122 C126 4.7K
B 10pF 10pF
11 CP700
G HEADER 19X2
16 1 38
SC-ID +33V SYS M SW
19 L123 2 37
CVBS-O CVBS-O SC-CVBS P/N P SW
1 R123 3 36
AR-O C123 SC-Test
C127 75
3 10pF
10pF 4 35
AL-O SC-ID
SCART 5 34
+5V +5V
6 33
RST-3415
L125
SC-R R 7 32
R128 S-C
C132 C136 75 8 31
10pF 10pF S-Y
9 30
AV-CVBS
10 29
TV-CVBS
L126 11 28
SC-B B SC-CVBS
R129 12 27
C133 C137 75 SC-B B
10pF 10pF 13 26
SC-G G
C 14 25 C
SC-R R
15 24
L127 SCL
SC-G G
16 23
R130 SDA
C134 C138 75 17 22
10pF 10pF SYS SW0