Audio Circuirt (Normal) - DAEWOO ELECTRONICS DV-F882DY-C Service Manual

3-4. AUDIO CIRCUIT (NORMAL)
A. Troubleshooting of PB mode
No sound in the playback mode.
Is the output at pin ", '
of IC201?
Is 12V applied to pin a
NO
of IC201?
YES
Is 5V applied to pin 3, g
of IC201?
YES
Is pin of IC201 10V
4
YES
Is 5V and clock data applied to pin 4, 5 of IC201?
YES
Is there Audio output
pin of IC201?
29
YES
Is pin of IC202 GND?
2
YES
Check Pattern
and AC Head.
25
NO
Check power circuit.
NO
Chack IC601.
NO
NO
NO
Check IC202