Question about Sony SLV-640HF VHS VCR

1 Answer

VCR SLV-640HF I'm not sure what the problem is, the tape is stuck inside the carriage. when you press any button, such as Eject, Play or even rewind and fast forward.........the unit makes a small click as the gears try to take hold, but instead just stop and the function fails.....I removed the carriage to remove the tape and to see if I could see any visual mechanical problems, but I dont see anything, any ideas what could be wrong? after some research I learned it could be as simple as the Mode Switch that sends information to the CPU, but i'm not exactly sure whare its located, or how to r/r it.

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  • yosemitesam7 May 13, 2008

    No, nothing is slipping that I can visually see from looking from from the top side angle of the unit.....the Upper Cylinder Head starts to spin then slowly slows and stops....the rest of the Transport componets, does not cycle, but moves 1/8th of one inch, then stops completly like its stuck and resets itself in 1 seconds time frame.....any clues?

  • fheeman Jul 25, 2008

    I've had the same problem for a couple of years now. The front display also says L 22 11 whenever I try and do anything (such as play, eject, etc.). Any suggestions would be appreciated.

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  • Master
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The mode switch is the device that monitors the various positions of all mechanical components in the transport area. It is usually an encoder type device, located near the center or right side bottom of the transport. But, before I'd condemn the switch, I would certainly check and see the the transport is "cycling", and that nothing is slipping. This is usually the case when this symptom crops up...accordianman

Posted on May 13, 2008

  • Michael Borelli May 13, 2008

    Insuffiecient cycle happening. Something not completing the mechanical cycle that it needs...accordianman

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I hope this helps,

Thank You,

Shuttle83

 

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