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