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TROUBLESHOOTING GUIDE
Does CYLINDER
rotate ?
In playback, is the
voltage at pin 5
of CP1002 1.54V ?
Check Power circuit.
No No
Yes
Yes
No
Yes
No
No
Yes
Yes
Is the voltage at pin 2
of CP1002 AT 12.6V ?
Does TP4001 feed
HEAD SWITCHING
PULSE signal ?
TAPE LOADING IS OK,
BUT UNLOADS IMMEDIATELY
Replace CYLINDER UNIT.
Check REEL SENSOR.
Replace IC1002.
Does PG PULSE signal
appear at pin 86 of
IC1002?
E-8