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Sony TC-155 reel to reel playback tape deck

Machine is about 35 years old. Need drive belts.

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SOURCE: How to change belt in teac x1000r reel to reel tape deck

If you are not familiar with such work, I don't recommend trying to install belt(s). Replacing belts may involve disassembly of mechanism parts and critical adjustments to follow. Take to a pro/tech

Posted on Apr 23, 2008

  • 104 Answers

SOURCE: 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

Posted on May 23, 2009

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SOURCE: akai gx-625 reel to reel tape deck has no sound

This could be a head fault? Another possibilty is the preamp stage. You will need to look for something that would take out both channels. Such as an IC.

Posted on Sep 11, 2009

  • 1 Answer

SOURCE: Sony TC-255 reel to reel Tape won't turn

you need to have a tape in place on the reals or it will stop.Hold the tape feeler spring in place and prevent it from moving forward it is located on the left side just remove the SONY stereo tapecoder cover and you see it

Posted on Dec 11, 2009

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There is a cam with solidified grease on a lot of Sony Mechanisms. The deck need to be cleaned of the grease they used that solidifies and then a better grease such as Lubriplate 105 should be applied.
The Idlers need to be reconditioned as well. The Sony units can be labor intensive due to this required work but I do fix them when people want them done. I am in the Chicago area as Skywave Tape Deck Repair

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Hi Cloise,

Go to HIFI engine at this link. Sony TC 355 Manual Stereo Tapecorder HiFi Engine .

Here is the TC355 page. Sony TC 355 Manual Stereo Tapecorder HiFi Engine

You must create an ID and Login to obtain the free download.

Fare. Well.

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Where do i buy drive belt FOR SONY CASSETTE DECK TC-K8B

Any spares shop can make a match but otherwise this is for the round or square belts only You can fit a round belt in place of the square type it does not matter. I had some reel to reel machines and in desperation I went to a Hydraulic cylinder and pump spares shop and got an "o" ring of the correct length and thickness Remember that the new belt must be SLIGHTLY shorter to give grip on the pulleys. I have several units cassette and open reel that I was forced to fit this type and some some are running now over ten years everyday

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1 Answer

Sony TC-255 reel to reel Tape won't turn

you need to have a tape in place on the reals or it will stop.Hold the tape feeler spring in place and prevent it from moving forward it is located on the left side just remove the SONY stereo tapecoder cover and you see it

May 27, 2009 | Sony Tape Decks

1 Answer

Tape will not turn

The more detailed the description of the problem, the better for diagnosing the root cause. Thanks.

It sounds like you have a couple of problems. I'll address them as you have them numbered above.

1. Decks typically have belts to drive the various 'reel' mechanisms. Therefore, they can slip without breaking anything inside the machine or the tape. Your first symptom leads me in that direction.

2. That it migrated is mysterious, unless Sony is using a common motor to handle both decks' reel duties.

3. This symptom may have something to do with the root cause of both sides jamming...

Do the cassette well doors come off, say, for cleaning? Could they be dislodge? If so, they may have something to do with the jamming problems in # 1 and #2 as the doors play a part in positioning the cassette and holding it in place against the reel motor cogs. How do the doors operate with NO tape inserted?

Does it take excessive force to close the door only WITH a tape? make sure the tape is fully seated before closing the door. The capstans (directly below each reel cog) have to engage through the small holes at the lower edge of the cassette. They should be straight and clean. Any dirt or oxide on them will cause problems as these are what move the tape at the precise speed necessary for good playback or recording.

My hipshot recommendation, otherwise, is to look around inside the cassette wells very carefully for any foreign matter, debris, dust bunnies.

Do you maintain the deck as recommended?

Apr 02, 2009 | Sony TC WE435 Stereo Dual Cassette Deck...

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

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