Copyrightⓒ2008 LG Electronics. Inc. All right reserved
29
LGE Internal Use Only
Only for training and service purposes
13. No Sound – AV1/2(SCART) Input
- Check the condition of the SCART cable connection.
-
Check the system clock (27MHZ,Y171) and the Voltage of VCTP_P(U81)
No Sound
Repeat D Process
Pass
Check input source cable or jack(JP436,466)
Pass
Check the signal(R,L) input/output of
U397
Re-soldering or Change the
defect part(U397)
Fail
Pass
SCART OUTPUT
Pass
Check the signal(R,L) of U436,466
Re-soldering or Change the
defect part(U81)
Fail
Pass
Check the signal(R,L) of
L441,L442,L471,L472
Re-soldering or Change the
defect part(U436,466)
Fail
Pass
Check input source cable or jack(JP436,466)