Question about Syntax 427V 27 in. LCD Television

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Olevia ACL TVHD, model# 427V. LCD, 27" flat panel. The screen has many many vertical lines of all different colors. No type of picture, althought I can not verify which input it is getting it's signal from. Nothing comes up when I attempt to push the menu button. I searched similar problems, and am suspect of the digital tuner. Does this sound right? Plus, I have an old analog TV connected to a digital converter in the same room, a few feet away from the Olevia flat panel now. When I turn on the Olivia the other TV's digital signal gets completely scrambled and fails to receive a signal.

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  • Dain Epperson
    Dain Epperson Oct 02, 2009

    No remote came with the TV. I am working purely from the TV itself. I am un able to change any settings because I get no responce from anything, except for the power button. Most of the screen is blue, except for the multiple multi-colored vertical lines running through it. When i push the "menu" and "channel" and "volume" buttons on the back I get absolutely no responce.

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That's the TCON board (timing control) causing that...if it's not integrated into the LCD panel it only cost's about $150.00 for it.you will have to replace the TCON board.many users are facing this same problem as yours of vertical multicoloured lines on the screen.this causes due to faulty tcon board. -------------- you can get the required board from www.shopjimmy.com or from ------ www.radioshack.com ------------- this will help.thanks.please do rate the solution.thank you for using fixya.keep updated,.

Posted on Oct 02, 2009

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  • Master
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Hi,

I consider this a work around more than a solution.

While studying the problem, I think there must be speaker hum, non responsive remotes, and various other problems that all seemed to be tied to the back-light intensity. For whatever reason, the system voltage on the tv seems to be affected by how bright the bulbs burn. More power to the bulbs means more power everywhere.
Following that train of thought, Use the Lighting button on the remote and changed to "Bright Room", then tune the tv off/on. an check whether it works fine
The problem is almost certainly affect some component(s) on the main board.

I read same issue once. Power on, no digital channels, and auto search does nothing. I've read somewhere that the remote had issues and can send wrong signals. Took the batteries out from the remote, switch the TV on from the TV unit, and it works. Try it couple of times and check whether the things are OK. Put the batteries back see whether it works.Please try it and let us know so we know if the remote is the source of the issue.

If it still doesnt work, try changing the main board and it should solve your issue..Try finding a retailer and ask for stan by main board till your main board get serviced..

please leave me comment, if you need further assistance
RNJ VINODKUMAR


Posted on Oct 02, 2009

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