Toshiba SD-22VB Service Manual page 70

TAPE loading is ok, but
unloads immediately.
Does CYLINDER
rotate?
YES
Is there HEAD SW
PULSE at TP101?
YES
Check Q3006 and Q3007.
TROUBLESHOOTING GUIDE
Is the voltage
NO
at pin 8 of CP3001
12.6V?
YES
At play, is the voltage
at pin 12 of CP3001 2.6V?
Change CYLINDER unit.
NO
Is PG PULSE signal
NO
inputted to pin 81
of IC3001?
Change IC3001.
E-8
NO
NO
YES
YES
Check power block.