Question about Sanyo PLV-Z3 Multimedia Projector

4 Answers

I see constant vertical lines in the picture, and before some times I had blue color without sensing the video input , so I had to remove the video and re connect , then it worked out , but now picture includes th vertical lines.

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  • nissim_lamba Aug 19, 2010

    I have tried to change the cables and the source ,it isn't the problem ,
    why constant vertical lines appear on the picture ??????

  • nissim_lamba Aug 19, 2010

    My projector is sanyo plvz3 not nec.??

  • nissim_lamba Aug 19, 2010

    if it is electronic board ,which one it is ? can I purchase it by my self and replace it ( i am an electronic man) .Thanks

  • nissim_lamba Aug 19, 2010

    Thanks jayantjha355 , is that driver boards , I can purchase by my self , any idea where ? I am an electronic man can i replace it by my self or it needs an adjustment :my projector is Sanyo PLVZ3.
    Thanks

  • nissim_lamba Aug 22, 2010

    Acctually I didn't understant if the vertical blue lines within the picture could be lamp which is nean that replacing the lamp will solved the problem problem or it is bad contacts or lcd ,no cases like my case in your history ??

  • nissim_lamba Sep 08, 2010

    Hi , I was in vacation ,
    I think the problem is not on the video , it is only in the background ,
    so when no video , on the blue background there are hard blue vertical lines , may I send you a snap shoot of that ?

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4 Answers

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  • Master
  • 1,566 Answers

Hello there,

Are you trying to connect this from a computer source? Does it happen on all types of sources like the Audio/Video output etc? If the behavior is from the computer source or the VGA cable, and you have replaced the cable already, it could be an issue with the VGA port on your computer already. If that is the case, it would be best if you consult a technician and have him personally look into the problem. This is to avoid causing more problems to your computer or the projector.

If it happens on all sources, I would highly recommend you to have a technician check the projector.

Posted on Aug 22, 2010

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  • Contributor
  • 857 Answers

Try cleaning the filter on the bottom of the unit, might be overheating issue BUT The problem U R facing is a combination of both the lcds and driver boards in which case neither need to be truely replaced.. They use a specific voltage to transmit data to the lcds.. Each lcd is different and the driver board is programmed by the factory for the EE v.com setting. Unfortunatly with nec, they do not offer a service mode to go in and adjust the ee settings to correct the electrical convergance. So the only way to fix the problem is to replace the lcd with a newer one who wasnt worn out from long term heat

Posted on Aug 19, 2010

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  • Master
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Hi,
It sounds problem with main board or light engine that has 3 lcds, filters, lenses inside and defective lcds can cause distorted image.
Remove lcds connecting flexibe ribbon wires from main board carefully, clean their contacts and insert them in connectors and check.
Do you have service manual of PLV-Z3 ? It has all necessary schematics, disassemble procedure, light engine details, part list info etc
Following image shows boards location in projector
Let me know if you have additional question.


I see constant  vertical lines in the picture, and - 6d63ee8.jpg

Posted on Aug 19, 2010

  • Shahid Electronics
    Shahid Electronics Aug 22, 2010

    I didn't get answer of my questions, how can I help you then?

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  • Sanyo Master
  • 19,396 Answers

Hi Nissim.

Please check the connection cable. Test using a different cable.
Turn off both projector and source. Disconnect projector power cable for five minutes.
Turn back on the source first, with cable already attached, and the projector with source connected.
If that does not work, try the opposite, turn off everything and turn back on projector first with cable attached.
If no luck, test a different kind of connection, use the input/source button on projector to switch between connection settings.
If source is a laptop, ensure that you do not need to press Fn+F button combination to switch to external source.

Posted on Aug 19, 2010

  • nissim_lamba Aug 19, 2010

    is this the solution to the constant vertical lines showing on the picture ?? ?

  • Ginko
    Ginko Aug 19, 2010

    Re:"
    is this the solution to the constant vertical lines showing on the picture ?? ?"

    Troubleshooting starts from signal. Signal problem can cause vertical lines, I cannot see your display.

    Unfortunately it looks like you did not even try starting to troubleshoot the problem. If you are sure there is a failure just make your point and ask for more help (vertical lines as failure is main board or input board)

    I expected a deccent answer back, instead I got a refusal accompained by useless maybe sarchastic comment in about 5 seconds.

    I regret wasting my free time in answering similar staff. Ensure that it is not signal problem, then proceed with other posters help.

    After refusal the question will be passed to a different expert.

    Goodbye and good luck.

    Ginko.

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