I have a sony cassette deck tc fx44. If I try to insert a cassette am unable to close the door. The door closes just fine without a cassette

You must have broken it!

Is the tape wrapped around the capstan?

Please click HERE so that you will be directed to the site where you can troubleshoot the issue.

I hope that this will work for you.

alot of cassette tape deck doors actually come off, they clip onto the inner door assembly, if the outer part isnt clipped on correctly, it may shut without a tape, but not with a tape inserted, try to see if the outer door is clipped on there correctly, jim d

you can not fix it without tearing it apart. if you do take it apart, try to get the front panel off. Hit the eject button and look for a lever that is stuck.

only one way. I did this before. take your fingernails, stick them in the top of the door, and pull. want to use it again, put tape to hold door close.

If this condition only occurs with as cassette inserted to load this may indicate a condition where the cylinder which holds the video heads is not spinning up when requested by the system control microprocessor.
If the door will not latch closed with/or without a cassette inserted this can indicated a mis-timed condition of the tape loading mechanism.
Try closing the door without a cassette loaded whilst the unit is powered from its AC Adaptor - under certain conditions this may allow the mechanism to reset and may allow the door to then close.
I trust that this information is of assistance! RHN

I had the same problem. You probably have to replace the rubber belts.

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.
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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?

It might be a model that has a special IC that allows the door to open and close.

You'll need to take the case off.

try hifiengine.com...that site may have the service manual.

Kirk out