LG HR832T Service Manual page 106

ELECTRICAL TROUBLESHOOTING GUIDE
7. NO ANALOG AUDIO L/R OUTPUT WHEN PLAY DISC
No analog L/R audio output
YES
Is there
signal
IC804 pin1, 2,
23, 24?
YES
Is there
reset high on IC804
pin19?
YES
Is there signal
audio L/R on IC804
pin13,15?
YES
Is there
signal audio L/R
on R841,R842?
YES
Check JK801 and RCA cable connection.
NO
on
NO
NO
NO
Check IC500 BCM7632 Vcc
or replace IC500 BCM7632.
Check IC302 MICOM.
IC804 pin3, 6,17
Vcc 3.3 V OK?
YES
Replace IC804.
Check R841, R842.
3-91
NO
Check IC203.