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No power to Magnavox H2160MW9 unless disconnect ribbon cable to CN1 502 socket. What does this do, and how do I fix it?

I have an older Magnavox H2160MW9 unit that has been having power problems. At first, it would lose power while operating, then it just stopped powering up at all. I took it apart and discovered that if I disconnect the ribbon cable to the socket marked CN1 502 on the circuit board, it seems to power up fine. I am reluctant to hook it up to the TV to try it, as I don't know what this cable does and I don't want to risk damaging the television with a power surge or anything. I'm not even sure what the problem is, whether the cable is bad or if it is some other component in the circuit. Does anyone know 1 What this cable controls? 2 Whether it is safe to operate with the cable disconnected? and 3 How I can determine and possibly fix the specific problem with the unit? I really like the DVR and its features, and I cannot find anything comparable on the market today, so I would like to fix it if possible.

Posted by Troy on

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Larry

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A service manual for this is going to be impossible to find to figure out what's going on, unfortunately it's most likely not fixable, one thing I can tell you however is powering it up with a cable unhooked won't hurt anything

Posted on Jan 02, 2022

  • Troy
    Troy Jan 04, 2022

    Thank you.

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