30
Does Audio signal appear
at IC501 pin , ?
(Refer to Fig. G-1.)
YES
NO
87
90
Replace IC501.
Does “H” signal appear at
IC501 pin ?
YES
NO
113
Check the IC501 pin
and then replace IC501?
113
Check C87.
YES
YES
YES
Are L-ch, R-ch signals
appear at JK701 and
Audio Line out connector
each?
NO
Check JK701 and
L701,L703.
Does Audio signal appear
at IC602 pin , ?
NO
1
7
Is the voltage of IC602
pin 2.5V?
6
NO
Replace IC602.
G. During Audio CD play, LED flickers, but Speaker is silent.
G-1
