LG S62S1-W Service Manual

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ELECTRICAL TROUBLESHOOTING GUIDE
5. NO CVBS VIDEO OUTPUT
No CVBS video on Display.
Check JK251 and RCA cable connection.
Is there CVBS signal on L2V1? Check IC501’s VCC or replace IC501.
NO
YES
YES
6. NO AUDIO OUTPUT
6A
6B
Optical function.
Replace AMP PCB
IC201 pin6
OPT_IN signal OK?
IC201 pin11 signal OK?
IC201 pin27, 28, 29, 31
I2S signal OK?
CN401 pin11, 12, 15
signal OK?
R631, R632 signal OK?
CN600 pin24, 22, 18, 17,
16 signal OK?
IC700 pin35, 39
signal OK?
Check JK203 or replace.
Check IC201 or replace
X201 trace.
Check IC201 or replace.
Check IC501’s I2S output
trace.
Check IC602’s I2S output
trace.
Check IC101’s signal trace.
Check IC700 or replace
IC700, IC701, IC702.
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES

LG S62S1-W Specifications

General

Brand	LG
Model	S62S1-W
Category	Home Theater System
Language	English