Sharp GF-666 rewind not functioned on Tape 1 and 2

[primerkava]

Dear friends

need your help how to repair for rewinding problem on boombox Sharp GF-666 that occur on Tape 1 and Tape 2.

Tape 1 :
Play -> normal
Fast Forward -> sometimes normal, sometimes not
Rewind -> not functioned
APLD -> can't check, I don't now how its work

Tape 2 :
Paly -> normal
Fast Forward -> normal
Rewind -> not functioned

anybody can help this problem?

thank you

 

[hopey]

Try replacing all belts