LG 37LB7DF Schematic

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LCD TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : LT75A
MODEL : 37LB7DF
37LB7DF-DA
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To Instrument's exposed  METALLIC PARTS
AC Volt-meter
Good Earth Ground such as WATER PIPE, CONDUIT etc.
1.5 Kohm/10W
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C/S002020202020200A000E431D4B3C000x07
FD000000
202020202020200A56542047
0x06
4C00FC0000001800002186BC048520500x05
401F3870A08036261C00002186BC00350x04
8848301E0051A050211B0101010101010x03
0101C0D1406140454031006EA54B49110x02
259C4957A3B0D9EA782746010301Month/Year0x01
Serial NoProduct ID6D1E00FFFFFFFFFFFF000x00
0x0F0x0E0x0D0x0C0x0B0x0A0x090x080x070x060x050x040x030x020x010x00
C/A000000001800002188BC00378040300x07
1E005180001F4E180000218EC40055400x06
0C2031402090D00A8C9E0000218EC4800x05
252C1020161C72D0801D011E0000218E0x04
C40055286E201ED05172001D011E00000x03
218EC4405528B8201ED052BC001D01000x02
10000C036500000183070709231022200x01
1F210514041312030111024EF12103020x00
C/S012020202020200A000F431C4B32000x07
FD000000
202020202020200A56542047
0x06
4C00FC0000001C00002186BC003588480x05
301E0051A050211B1E0000218EC400450x04
2C58402D387118803A020101010101010x03
0101C0D1406140454031006EA54B49110x02
259C4957A3B0D9EA782746800301Month/Year0x01
Serial NoProduct ID6D1E00FFFFFFFFFFFF000x00
0x0F0x0E0x0D0x0C0x0B0x0A0x090x080x070x060x050x040x030x020x010x00
C/A000000001800002188BC00378040300x07
1E005180001F4E180000218EC40055400x06
0C2031402090D00A8C9E0000218EC4800x05
252C1020161C72D0801D011E0000218E0x04
C40055286E201ED05172001D011E00000x03
218EC4405528B8201ED052BC001D01000x02
20000C036500000183070709231022200x01
1F210514041312030111024EF12103020x00
C/S012020202020200A000F431C4B32000x07
FD000000
202020202020200A56542047
0x06
4C00FC0000001C00002186BC003588480x05
301E0051A050211B1E0000218EC400450x04
2C58402D387118803A020101010101010x03
0101C0D1406140454031006EA54B49110x02
259C4957A3B0D9EA782746800301Month/Year0x01
Serial NoProduct ID6D1E00FFFFFFFFFFFF000x00
0x0F0x0E0x0D0x0C0x0B0x0A0x090x080x070x060x050x040x030x020x010x00
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SPK
STA335BW
I2S
MSP4450K
COMP2 LR
COMP1 LR
LCD PANLE PDP PANLE
SDRAM 256Mbit
TMDS
32Mbit
Flash memory
COMP1 YPbPr
COMP2 YPbPr
RGBHV
AM_AUDIO
AV_LR OUT
DIGITAL TS
PC SOUND
SDRAM 256Mbit
656 data
STI5100G FLI8548
Flash memory
32Mbit
HDMI
SWITCH
STDMI002A
MNT_LR OUT
MNT_VIDEO OUT(CVBS)
S-VIDEO
AV1 CVBS
AV1 LR
CXA2069Q
TDFB-T102P ‘TAUV-H301P
TUNER CVBS
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CORTEZ BLOCK
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DTV BLOCK
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HDMI BLOCK
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Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes
LGE Internal Use Only
- 29 -
EXPLODED VIEW
A2
LV1
300
510
500
710
120
200
800
804
530
540
805
803
806
802
801
810
811
550
910
900
520
820
400
A21
200T
200N
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and EXPLODED VIEW. 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.
IMPORTANT SAFETY NOTICE
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Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
LGE Internal Use Only
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Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
LGE Internal Use Only
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Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
LGE Internal Use Only
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Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
LGE Internal Use Only
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Nov., 2007
Printed in KoreaP/NO : MFL39065803
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