Abnormal Sound (Av) - Main Pcba - LG 22LS2100 Service Manual

10. Abnormal sound (AV)-Main PCBA
Abnormal sound (AV)
1
Put into AV cable completely?
2
Is wavef orm at C688,C689
Change IC600
WAVEFORMS
2
C688,C689 (audio in)
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Only for training and service purposes
NO
YES
NO
YES
Check Line between JK101 and IC600
is open or short, Another is
- 21 -
Insult AV cable tight
change AV cable
LGE Internal Use Only