Toshiba SD-3860SCA Service Manual page 36

NO ANALOG AUDIO ON
PLAYBACK
Is there AUDIO signal at
pin 7 and 8 of IC7301
No
Is there waveform at
pin 1,2,3 of IC7301 ?
No
Is there voltageat pin 2
of IC4003 about 1.9V ?
Yes
Change IC4001.
TROUBLESHOOTING GUIDE
Yes
Is there voltage
Yes
at pin 6 of IC7301
about 5V ?
Yes
Change IC7301
No
D-6
Check J8004 and peripheral
circuit.
No
Check AT+5V.
Change IC4003.