LG CRD-8483B Service Manual page 11

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G. During Audio CD play, LED flickers, but Speaker is silent.
Does Audio signal appear
at IC501 pin
,
92
(Refer to Fig. G-1.)
YES
Does "H" signal appear at
IC501 pin
18
?
YES
Does Audio signal appear
at IC701 pin
,
1
YES
Are L-ch, R-ch signals
appear at JK701 and
Audio Line out connector
each?
YES
G-1
30
NO
Replace IC501.
?
94
NO
Check the IC501 pin
and then replace IC501?
NO
Is the voltage of IC701
?
pin
7
6
NO
Check JK701 and
L701,L703.
108
NO
2.5V?
YES
Check C702.
Replace IC701.

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