Tuner Audio Output - LG RC-185 Service Manual

VDR ELECTRICAL TROUBLESHOOTING GUIDE
7. NO TUNER AUDIO OUTPUT
NO
Audio output even
When playing DISC
YES
NO
PMV02-30, 32
Check audio signals
YES
NO
IC1501-198, 199
Check audio signals
YES
NO
Check IC1501-
173~176
YES
NO
Check IC15A1-
1~4
YES
NO
IC802-9 Check
High?
YES
Check IC802 power
And Other circuits
Check FFC Cable
and VCR part
Check FFC Cable
and VCR part
Check IC801 power
and other circuits
Check IC1501 power
and other circuits
Check IC15A1 power
and other circuits
Check AV_RST1 and
power, other circuits
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