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JVC plasma TV model PD-42wv74 has black stripe 2 and a haft inches at about 15 inches from the right edge

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  • 2 more comments 
  • Sonny Phan Sep 19, 2008

    I Want to fix this problem, please tell me what part number may need to replace

  • Sonny Phan Sep 23, 2008

    The verticle buffer boards of my JVC plasma PD-42wv74 are located on bottom of the back TV and have number LJ41-01709A,LJ41-01710A,and LJ41-01711A each of them has a ribbon connect to the main board LJ41-01968A.I'd like to know which one causes the a verticle black stripe 1and1/2 inches wide and about 15" from right edge of TV.Thanks for help

  • Sonny Phan Sep 24, 2008

    I hava tried everything you told me, there was nothing change at all, the black stripe always three at the same position at any mode TV/VIDEO. I think it must be something wrong in the boards of buffer or video

  • Sonny Phan Sep 24, 2008

    I want to try to replace new buffer board at the point of the black stripe, don't you think could fix problem? please give me price of the part No. LJ41-01709A to order

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5 Answers

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Visit the following website to find the part you need and pricing: http://www.discount-merchant.com/We-provide-factory-original-parts-worldwide-p/1010909-samsung.htm

Posted on Sep 24, 2008

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  • 479 Answers

If you require any help still the above link will help you know the exact solution why the problem is coming and what to do to make it proper

just click the above link and know the problem also the diagramic pictures are given more more help

http://hdguru.com/?p=127

for any more suggestions reply us and keep us updated.

Posted on Sep 24, 2008

  • tech gurus Sep 28, 2008

    near to $150 plus shipping cost.

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  • Master
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Try to reset first if nothing happens we proceed another solution;

Resetting the TV

Some TVs have a reset button. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can saved time.
1. Unplug the TV power cord from the power outlet for 3 - 4 hours.
2. Unplug any connected devices (DVD, Set-top boxes, etc...)
3. Press and hold the TV power button for five seconds.
4. Plug the TV power cord back into the power outlet and turn on the TV.
5. Open the on-screen menu to confirm that the TV is responding again.
6. Turn off the TV and reconnect the devices.
7. Turn on the TV.

hope this may help;

Regards,
VOTIT

Posted on Sep 23, 2008

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Hi, the vertical address buffer board is often located on the top rear of the display, inspect the ribbon cables connected to this board, and connectors.


If connector and buffer boards are ok, then it is the screen, probably a problem with the drive IC located on the cable attached to the panel, when there is such a fault, you get a loss of the drive signal on the part of the screen affected.

You can buy parts here.

If you decide to do it yourself, I also suggest buying the service manual, and as usual do it at your risk.

If you want to contact a repairman, validate warranty or purchase a warranty extension, you can call the phone number listed on the tv owner manual.

Posted on Sep 23, 2008

  • 1 more comment 
  • Ginko
    Ginko Sep 23, 2008

    Part list for your model PD42WV74.

    buffer board: JVC LJ92-00796D Buffer Board.


  • Ginko
    Ginko Sep 23, 2008

    Also buy the service manual if you want to DIY: S.MANUAL CD-ROM

    If you need further info, please ask.

    If any of our solution satisfy your query, please vote the solution.

    Many thanks.


  • Ginko
    Ginko Sep 24, 2008

    You will find a board with a ribbon cable connected to the display at the top, approximately where you get the stripe. Either the chip mounted on the ribbon cable is faulty , or the board itself is faulty.
    Start testing the ribbon cable first. Then replace the board. This usually fix the problem. Only in rare occasion you have a faulty display, normally it is the cable or the buffer board.


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  • 203 Answers

There are 2 causes for this, one is the panel gone bad and the other is the buffer. The only way to find out what one it is is replace the lower buffer and see if it works. If it doesnt you will have a bad panel and the set will be a non-repair because the panel will cost more than the tv. If you want to repair it yourself let me know and I will give you the PN you need as well as instructions on replacing it.

Tim Nolan

Posted on Sep 19, 2008

  • 1 more comment 
  • experttv
    experttv Sep 19, 2008

    Please email me a picture of the set with the back off so i can show you what board needs to be replaced. I will look up the PN tomorrow when im at the office. experttv@comcast.net



    Tim Nolan

  • experttv
    experttv Sep 23, 2008

    The one that will be causing the problem is the one that is in the same spot as the line. if the line is 15 inches from the right, then the board that is 15 inches from the right is the faulty board! Let me know if you need more info!



    Tim Nolan

  • experttv
    experttv Sep 24, 2008

    If the stripe is 15 inches from the right when you are looking from the front then the part number you need is LJ92-00811A cost is $85 at partstore.com If the line is in line with the middle buffer then you need pn LJ92-00812A. And if the line is on the left when you are looking from the front then you need PN LJ92-00813A cost $85. You have a 50/50 shot of fixing it as the problem bay be the plasma panel itself. If the panel is bad the set is garbage, the only way to find out is trying the board. Let me know if you need more help! and if your still not sure what board to change email me some picture of the problem and i will tell you what board to change.



    Tim Nolan

    experttv@comcast.net

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