LG GCC-4241N Service Manual page 60

No Audio Output
(CD-DA Play)
Audio Circuit Check.
Check output signal of
IC201 (150 and 151).
OK
Check soldering of R401, R402,
C401 and C402.
OK
Is IC201(102) High level?
OK
Is Q402 (Corector) Low level?
Check Soldering of Q401.
Replace Q401.
62
NG
NG
NG
NG
OK
NG
Check soldering of IC201.
Repaire soldering or replace parts.
• Check soldering of IC201.
• Check soldering and value of R264.
• Check soldering of Q402.
• Replace Q402.