Question about Projection Televisions

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My Sharp Aquos has lost it's picture brilliance on all channels.

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  • sinckins Jul 29, 2008

    model #37-d4ou

  • sinckins Jul 29, 2008

    I've tried all settings with no response. Can I replace the crt board myself? Where can I get one in Oregon?

  • sinckins Jul 29, 2008

    Low brilliance on my Sharp Aquos lc37-d4ou. Tried all settings with no reponse. If I need a new crt board can I replace it myself?

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First of all the model you posted is an LCD set, there is no CRT nor a CRT board. The question is this: is the picture clear but just dark? If so, the "back light" is starting to fail. This can be either the panel itself (expensive) or the power supply (more likely). The power supply module is available at tritronicsinc.com for $133.38 using part number: RDENCA161WJQZ.

Keep us posted.
Dan

Posted on Jul 29, 2008

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How old your TV is ?

Posted on Jul 29, 2008

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  • Projection T... Master
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Try adjusting picture settings from tv menu, if this does not work your tv has a bad crt board in need of replacement

Posted on Jul 29, 2008

  • Ginko
    Ginko Jul 29, 2008

    Sometimes this also happens when some magnet ie,headphones, pwer adapters etc. come to close to your tv in this case problem is temporary.
    To replace the board you need to work inside tv, on some model some soldering job is also involved.
    You will need to unplug tv power one hour before working inside tv, because of risk of electrostatic charges.
    My suggestion is to contact a technician and have the job done by a professional.
    You can buy replacements here . Enquiry seller if part is not in list.



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1 Answer

I have a 52 inch sharp aquos t.v. I turn the set


Your pictures power supply may have faulty capacitors on it. Or you could have a surface mounted component that has broken free at one end.

Solving your problem involves having your tv inspected by an electronics tech who hopefully can fix the unit at your home.

Otherwise, there is very little you can do as a consumer.

Good luck and be careful.

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hi
the flashing green light is tellin g you that is not recieving a single, on that channel, be it the cable connection, or the cable.
try changing to a seperaqte input, like AV1 or something similar,
it may just turn out to be that particular input that is lost
unless your good with soldering and working with electronics this is a repair that should be done by an expert honestly....
but like i said check your other inputs,
if your within your warenty I would call Sharp, they are very good with customer service and have never let me down

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Sorry about the bad news.

Dan

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