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