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  1. I've cleaned the video heads, erase head and control track head but it didn't fix the problem.
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  2. Member
    Join Date
    Mar 2008
    Location
    United States
    Search Comp PM
    Sounds like something in the circuitry. What happened to those other two you were working on ?
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  3. I still have the Mitsubishi HS-U748. The insides look similar but since I bought this from ebay, I rather return it.

    I was thinking of changing the video heads.

    It was working a couple of days ago. BTW, I'm not impressed with the TBC but the DNR is pretty good.
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  4. Member
    Join Date
    Mar 2008
    Location
    United States
    Search Comp PM
    I still have my HS-u748 also, but mine has something in the transport that's bad. In an earlier thread Baldrick
    suggested the clutch mechanism. I could probably open it, but I'm not sure what to look for to be honest

    Did they really sell the VCR with broken sound? Why change the video head?

    I picked up a JVC s3911u at a garage sale last month. Working fine, but sounds like it needs a good lubrication.
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  5. LOL, i don't know why. Just trial and error. I will just return it.

    The VCR was working for a couple of days so I don't blame the seller. Just my bad luck.
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  6. Member
    Join Date
    Feb 2006
    Location
    United States
    Search Comp PM
    is the vcr / tv set on the right channel ?? if the vcr has more than one tv hookup then try a different hookup
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  7. Everything is setup correctly. I was trying to record via the VCR input and I see the video on the TV.
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  8. Member
    Join Date
    Mar 2008
    Location
    United States
    Search Comp PM
    Sorry to hear that. Don't forget the linear audio as well as the hi-fi. I would have thought that if one of them failed
    the other would still work, unless the problem is in the audio circuitry. Any caps bad on the board?
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  9. I have the option of returning it, so I can't troubleshoot.

    Here is a similar problem from 12volvids. https://youtu.be/-0P3Mzr3bNQ

    In another video, he repaired a similar problem by simply cleaning the ribbon cables. https://www.youtube.com/watch?v=R9S2M0UQ-nw
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  10. I reseated the video drum and control track ribbon cables and it's working now.
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