LG Electronics
20LS7D(C)-UB
service manual
Troubleshooting
Specs
Parts list
CONNECTORs
Adjustment Instruction
IC Remove/Replacement
Servicing Precautions
Page 34
Page 33
Page 35
Image 34
Page 33
Page 35
Contents
LCD TV
Contents
General Guidance
Do not use a line Isolation Transformer during this check
Servicing Precautions
Power Output, Transistor Device Removal/Replacement
IC Remove/Replacement
Small-Signal Discrete Transistor Removal/Replacement
Diode Removal/Replacement
General SpecificationTV
Specification
Application range Test method
Chroma & Brightness
White
Component Video Input Y, CB/PB, CR/PR
Mechanical specification
RGB input PC/DTV
Adjustment Instruction
Application Object
ADC-Set Adjustment
Set Method
23LS7D-UB Hdmi
Preparation for Adjustments & Setting of Device
Required Test Equipment
23LS7D-UB RGB
Adjustment of White Balance
Required Equipment
Troubleshooting
TV/CATV doesnt display
Video doesnt display
Component doesnt display
Rgbpc doesnt display
Hdmi doesnt display
LCD
Exploded View
Exploded View Parts List
Replacement Parts List
Description / Specification
C1608C0G1H220JT 22pF 5% 50V C0G -55TO+125C
DIODEs
TRANSISTORs & FETs
ICs
RESISTORs
MNR04M0APJ680 68OHM 5% 1/16W 4P 8P
R1185
R4007 0RJ1001C678
R4147
R6031
COILs & FILTERs & INDUCTORs
CONNECTORs
SWITCHes
JACKs
OTHERs
LED,DIP BL-BUBGE301 Round 3MM
Page
Page
Mar
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