TROUBLESHOOTING GUIDE
TAPE LOADING IS OK,
BUT UNLOADS IMMEDIATELY
Does CYLINDER rotate ?
Yes
Does TP4001 feed
HEAD SWITCHING
PULSE signal ?
Yes
Check REEL SENSOR.
No
No
Is the voltage at pin 2 of CP1002 AT 12.6V ?
Yes
In playback, is the voltage at pin 5
of CP1002 1.54V ?
Yes
Replace CYLINDER UNIT.
No
Does PG PULSE signal appear at pin 86 of IC1002?
Yes
Replace IC1002.
No
Check Power circuit.
No
