Question about Sony CASSETTE DECK Single Dual Cassette Deck

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Replacing drive belts on Sony TC-WR535

How hard is it to replace the drive belts on Sony TC-WR535? I'd hate to throw it out. Can anybody recommended an online source for a service manual for this unit? Thanks! Dan

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Re: Replacing drive belts on Sony TC-WR535

I do not see pink long screws on my tc-wr535. Can you please be more specific on accessing drive belts. Thanks

Posted on Dec 02, 2007

Re: Replacing drive belts on Sony TC-WR535

Its not easy, but doable. Steps are:
1. Remove top lid (4 screws on the side)
2. remove the back plastic mount on the mechanics (2 pink long screws on the top). The bottom are two plastic hook lock.  The mount pulls back and the belt and pulleys are exposed.  NOTE: It is the mount you are removing, not the tape deck itself.

In case you have to remove the printed board, here is the instructions:
Unplug all wires from the board.  Remove 3 screws.  hard part - release the board from the three white plastic lock. To do this, you crimp the the top and gently pull the board to the top.  Then slide the board backward to release it from the socket connection on the tape deck pcb. 

Posted on Oct 31, 2007

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Re: Replacing drive belts on Sony TC-WR535


I am having the same problem with a Sony K717 ES. I found
this site above where they have the service manual for every tape cassette known to man. They ask that you make a donation to
a charity and then they will email you the pdf for free.

Posted on Oct 23, 2007

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I have a sony TC-WR770 twin tape deck. The 1st deck is running with inconsistant speed causeing slurring of sound,also it will not fast forword.Can this be repaired and if so how? or is it now to old.

It could be either a worn roller, but more likely a belt problem. It's often a good idea to replace the belt(s) as the are rubber and wear out easily. They are not expensive either. Drive belts on tape decks are mostly universal. You only need to measure the diameter of each belt in mm and then enter the result in Google as "Cassette drive belt ??mm".
Make a note of how it fits before replacing them, that's if you can do it yourself of course!

Feb 07, 2011 | Sony Dual-Deck Cassette Player/Recorder...

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Sony tc-wr535 won't eject. Tape stuck. Won't play cassette on either deck A or B .makes noises but won't FF or play, gets stuck and wont eject. Will belt conditioner work? What do I use?

The problem, according to messages on your site, is that the belts are old and have stretched. There is a great step by step tutorial on with pictures and all. Parts are not too hard to find on search engine. Looks like less than $25 to fix.

Jan 16, 2010 | Sony CASSETTE DECK Single Dual Cassette...

1 Answer

Replacing bands

Since the belts control the timing of the mechanism, I would not recommend this as a home repair. While relatively simple compared to some, this still is a delicate repair that can easily go wrong. Please bring this unit to an audio repair shop. Expect a parts cost in the $15-$20 range. There are 3 belts inside.


Sep 02, 2009 | Sony TC-WR565RM Single Cassette Deck

1 Answer

Belt replacement in a sony tc-wr645s tape deck

I have just spent half a day trying to replace the drive belts in my sony twin deck unit , in the end it still didnt work as the the old rubber belt did some damage to the unit , anyway shops like **** smith or tandy stock the drive belts , take the front of the unit away from the main case there will be a plastic casing that surrounds the belts there are at least two belts, there should only be two small screws undo these and move the plastic unit forward on the plastic mounting brackets then you will see the metal wheel and the plastic wheel that you fit the belt around , its a bit fiddly but i can do it in my sleep now even though the motor died it was a good experience

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Unit may have defective idler or gear. Have serviced

Aug 05, 2008 | Sony CASSETTE DECK Single Dual Cassette...

1 Answer

Repairing or replacing old tape decks

Hi m522posner

There is a surprising interest in "vintage" hifi products these days. Your tape machines probably needs new belts. Check this site out. You can get spares for your tape machine here. Belt kits are $17. He does repairs also, but the transport to and from may be an issue for you. I suggest emailing Bob, he may be able to refer you to someone in CA > I could do the repairs,but I am in Australia. :)

Vintage Electronics
P.O. Box 941
1241 Conestoga Creek Rd
Florissant, Co 80816


You could have a go at freshening up the belts yourself:)


Jul 10, 2008 | Sony Tape Decks

4 Answers

Sony dual cassette deck TC-WR535

i had the same problem of not opening the cassette doors and not running with my sony tc wr535. After I repaced the belts myself with new ones it did run fine! :-) An original sony(!) rubber belt set for the two decks costed me 23 euroos incl pp.

Nov 29, 2007 | Sony CASSETTE DECK Single Dual Cassette...

1 Answer

Both tape compartments will not eject. Mod. TC-WR535.

I just got two tapes out of my WR535 this morning. I removed the top cover by taking out the screws on the lower sides. It was obvious that the drive belts were stretched out. This seems to be preventing the doors from opening, as the transport mechanism seems to be in PLAY mode without the belts functioning. WIth the cover off you'll be able to see the mechanism that opens the door. There's a small nylon piece that prevents the mechanism from opening the door. Push it downwards with a small screwdriver and the OPEN button will function. You can now retrieve your tapes. I was just looking online for a service manual to see if it's worth trying to change the belts. Not sure yet. Good luck! Dan

Sep 10, 2007 | Sony CASSETTE DECK Single Dual Cassette...

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