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TROUBLE SHOOTING GUIDE
Change CYLINDER unit.
TAPE LOADING IS OK, BUT
UNLOADS IMMEDIATELY
Check POWER BLOCK.
Change IC3001.
Check Q3001 and Q3002.
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
Does CYLINDER
rotate?
Is there HEAD SW
PULSE at TP102.
Is the voltage
at pin 10 of CP502
13V ?
At play, is the voltage
at pin 12 of CP3001 2.6V ?
Is PG PULSE signal
inputted to pin 90
of IC3001 ?
AUTO TRACKING
DOES NOT OPERATE
2.5Vp-p
YES
YES
NO
NO
In auto tracking, is the
voltage at pin 6 of IC3001
more than DC 0.2V?
Does the CTL pulse
signal (about 2.5Vp-p)
appear at pin 97 of IC3001.
Check CONTROL HEAD.
Change IC3001.