While you wait for answers, we may have found some information which could help you.
Click here for Radio Battery WorkTimer recording?
Where is best place to buy Sony cassette deck belts?
how can I fix my casset am pm tape radio?
Sony WM-D6C Walkman Pro Drive belt needed?
How to reset a sony vcr slv-se720g?
Sony Cassette Recorder TCM 939 bad volume and pickup?