Question about NEC PlasmaSync 50MP1 50 in. Television

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NEC power supply unit

Where do i go to find a power supply unit for a plasma tv? i have looked everywhere and cant find one its a NEC model number px-42vp4a? any help would be grealy appreciated

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  • Anonymous Sep 23, 2008

    Same problem here been checking everything with a meter can't find anything testing wrong, need a replacement or diagram to resolve.

  • allen559 Nov 04, 2008

    I am having the same problem and NEC is know help. Can anyone help with this issue.

  • 330demon Mar 04, 2009


    NEC PX-42VP4G - goes to standby immediately when powered up. Seems a common fault - I have removed power supply board (PNT-426). Can you advise best course of action please i.e. swap out capacitors etc or do you have a new/repaired replacement board for sale?

    Hope you can help


  • RUSHING01 Mar 11, 2009

    I have a Nec Plasma monitor Model Number (px-42vp4a)
    bought it used with only producing picture for 5 secs. with video source plugged in. no matter what video source tried all,

    1. re-soldered the whole power supply no go.
    2. replaced couple capacitors.

    when plugged in saw sparks coming from a circuit on the power supply, need a new one did not see short in board can someone help



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I have most NEC plasma boards and know the procedure to determine which board is bad.

Posted on Nov 22, 2008


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