TROUBLESHOOTING GUIDE
E-23
TAPE LOADING IS OK, BUT
UNLOADS IMMEDIATELY
Does CYLINDER rotate ?
Yes
No
No
Yes
Check Power circuit.
Replace CYLINDER UNIT.
No
No
Yes
Yes
Replace IC1006.
Yes
No
Check REEL SENSOR.
Does TP4001 feed
HEAD SWITCHING
PULSE signal 30Hz?
Is the voltage at pin 2 of
CP1005, UNREG 12V?
Does PG PULSE
appear at pin 107 of
IC1006?
Does REEL SENSOR
PULSE signal appear at
pins 31 and 32 of IC1006?