Toshiba SD-V393SU Service Manual page 71

TROUBLESHOOTING GUIDE
TAPE LOADING IS OK, BUT
UNLOADS IMMEDIATELY
Is the voltage
NO
NO
Does CYLINDER at pin 2 of CP3001
Check POWER BLOCK.
rotate? 12V ?
YES
YES
NO
At play, is the voltage
at pin 12 of CP3001 2.6V ?
YES
Change CYLINDER unit.
NO
Is PG PULSE signal
NO
Is there HEAD SW
inputted to pin 104
PULSE at TP3002 ?
of IC3001 ?
YES
YES
Change IC3001.
Check Q3006 and Q3008.
E-8