Panasonic KX-T2388 Service Manual And Technical Manual page 37

KX-T2388
2) THE PULL OF PLUNGER IS POOR OR NOT AT ALL
is there a high level as shown
in the timing chart of "ml
TAPE TRANSPORT
CONTROL"?
Check pin 1 and 2 of IC1.
NG
When pin 1 of IC1 is high
level, collector of Q10 is low Check Q10. Check IC1.
level?
YES
Is emitter of Q9 more than
12V?
Check AC Adaptor.
YES
When pin 2 of IC1 is high
level, does emitter of Q11 Check Q11.
output more than 5 V?
YES
Check D20, D21,
| D23 and D24. |
3) OGM END MARK DETECTOR
Check 1C1, pin 12 and 13 of IC2 and IC6.