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DV-RW250H (serv.man2). (pages 1-75) - Sharp DVD Service Manual (repair manual). Page 73

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TROUBLESHOOTING GUIDE
E-35
 NO AUDIO ON PLAYBACK
Is there AUDIO signal at
pin 26, 27 of IC7301 ?
No
No
Check IC7301
and  peripheral circuit.
Yes
Yes
Check IC702
and peripheral circuit.
Is there waveform at pin
1, 7 of IC702 ?
Check J8001
and peripheral circuit.
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