TROUBLESHOOTING GUIDE
E-21
Is pin 17 of IC1006 LOW?
No
Yes
No
Yes
No
Yes
Replace EOT PHOTO
TRANSISTORS.
Check R1026 circuit.
Does this same problem
appear when using
another cassette tape?
When inserting a cassette,
does Emitter of EOT return
to LOW?
Defective CASSETTE or
CASSETTE LOADING BLOCK.
WHEN INSERTING CASSETTE,
IT EJECTS IMMEDIATELY
Check IC1006 circuit.