Aiwa VX-G142 Service Manual page 54

CAPSTAN DD MOTOR NOT
ROTATION
In playback, is the
voltage at pin 13 of
CP1002 13V ?
Yes
Is the voltage at pin
15 of CP1002 5V ?
Yes
In playback, check the
voltage at pin 17 of
CP1002 is 2V or at pin
50 of IC1001 is 0V ?
Yes
In playback, is the
voltage at pin 14 of
CP1002 2.5V ?
Yes
Replace IC1001.
Does DD MOTOR rotate now ?
If not, replace DD MOTOR.
TROUBLESHOOTING GUIDE
No
No
No
No
E-23
Check POWER circuit.
Replace IC1001.
Check pins between 45 and 47 of
IC1001 and peripheral circuit.