NEC Plasma - Green Light; No Video

Collapse
X
Collapse
 
  • Page of 1
  • Time
  • Show
Clear All
new posts
Previous template Next
  • pentium
    Badcaps Legend
    • Mar 2006
    • 2778
    • Canada
    #1

    NEC Plasma - Green Light; No Video

    About seven months ago I picked up a NEC PX-42VM5A panel from a recycler that had an excellent condition screen still. I immediately put it into use and it was trouble-free for months, then left it in standby (red light is on but power is still "off" from the remote) for two months while I was away doing other things.

    The other day I went to sit down and watch a movie and turned it on from the remote. I get the usual relay clicks, the light went green, the panel went live, then the panel turned off and the light went out for three seconds, then the green light came back. I still had audio and I could still turn it on or off form the remote but no video or high voltage.
    Turned it off from the power switch on the panel and back on. Same thing. Unplugged it for the day and tried again the next day. Nope.

    We used to service these panels at work so I dug around and found a known good power supply. Swapped mine out and tried again. Problem persists.
    Am I to suspect a bad driver board at this point, simply from sitting for several months??
    Find Nedry!


    Check the Vending machines!!

    <----Computer says I need more beer.
    Tags: None
    • pentium
      Badcaps Legend
      • Mar 2006
      • 2778
      • Canada
      #2
      Re: NEC Plasma - Green Light; No Video

      Having now written off two or three dozen identical model NEC panels for work, this problem seems to be EXTREMELY common as 95 to 98% or the panels taken out of the field earmarked "defective" suffered from the same problem. The rest had cracked panels or were mislabled and worked fine.


      I still can't see what might be wrong....
      Find Nedry!


      Check the Vending machines!!

      <----Computer says I need more beer.

        Comment

        Previous template Next

        Related Topics

        Collapse
        • ItepK
          Panasonic TX-P42G30E green light blinking, no video, no audio
          by ItepK
          Hey everyone!

          I've gotten this TV for free, neither have it seen a TV repair man, neither have it been opened before.

          This post describes my entire troubleshooting process of this TV.

          When I turn it on using the ON/OFF switch at the side of the TV, the light rapidly flashes green, then it stays on, but it does not react to any of the remote buttons, side buttons, and doesn't play audio.

          I've taken the unit apart, and I've started to check some voltages:

          • On the P11 connector, there is 15V DC only for a brief moment, then it goes
          ...
          12-22-2023, 05:06 AM
        • MOSSEP
          Monitor Audio RSW12 - Green light, but no sound
          by MOSSEP
          Hi

          Im hoping someone might be able to give me some idea of what may be wrong with my Monitor Audio RSW12 Sub.

          Ive owned it since new in around 2002, so would really like to keep it running if I can, it was the first ‘decent' bit of audio equipment I ever purchased and is a little sentimental.

          The issue I had was that it would power up with the red light, but sometimes the green light would not come on and I would get no bass from it. If the green light did come on though, I would get sound out of it.

          I have already tried replacing all of the...
          01-26-2025, 08:33 AM
        • MOSSEP
          Monitor Audio RSW12 - Green light but no audio
          by MOSSEP
          Hi

          Im hoping someone might be able to give me some idea of what may be wrong with my Monitor Audio RSW12 Sub.

          Ive owned it since new in around 2002, so would really like to keep it running if I can, it was the first ‘decent' bit of audio equipment I ever purchased and is a little sentimental.

          The issue I had was that it would power up with the red light, but sometimes the green light would not come on and I would get no bass from it. If the green light did come on though, I would get sound out of it.

          I have already tried replacing all of the...
          01-26-2025, 08:18 AM
        • lcdcaps1
          820-2610-A Sys onewire help, no green light. Please help from the gurus
          by lcdcaps1
          Hi

          I have an 820-2610-A motherboard that has no green light.
          I have noticed is when I do a SMC reset the light on the Magsafe blinks.
          From My understanding, the sys onewire circuit is responsible for the green light on the magsafe
          The sys onewire circuit on this model and others is more involved
          I was hoping if anyone knows about this and how it works, can reply and let me know
          I know this is an old model but I am sure there are people who still works on these or knows about them

          I get 1.1v on the C7771 capacitor and will replace...
          11-06-2023, 01:28 PM
        • matthewmcconaughey
          I need help with my friend Sony GDM-FW900 24” CRT
          by matthewmcconaughey
          Hello, Badcaps is my last resort. I am the first owner of the monitor. I reached almost every repair store in my area, but no one even wanted to hear about troubleshooting an old CRT monitor. At this point, I have been trying to figure it out by myself, but I have no idea where to start or look for.

          I wish to know how to think and locate a failing component. I will put all my efforts to learn and contribute.
          1. It started with a bright and greenish picture upon starting a cold monitor.
          2. About 2 years ago, only on the cold boot, the screen started to occasionally flash with
          ...
          05-16-2023, 03:15 PM
        • Loading...
        • No more items.
        Working...