Question about Sanyo DS31590 31" TV

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Sanyo ds31590 picture's very dark and red

Sanyo model # ds31590 was watching tv the other day, and out of the blue........ the picture went very dark and mostly red. there is some blue, but no greens.... have messed with all the color, sharpness, brightness, nothing seems to work. i am quite mechanical, is this something that can be fixed? and any ideas what part it could be and where can i find one?

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Scott Henderson

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Sounds to me that your picture tube needs rejuvenated.
You will need to get it done by a tech.
mechanical doesn't mean a thing when it comes to electronics.
Mechanics when working on electronics, end up costing more damage when you end up taking it to a tech.

Posted on Mar 04, 2008

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2 Answers

Tv off!


A lot of these sets have a problem where a "filter cap" on the board in the power supply opens---Usually location is "C925 or C926" and it will be a 1000 mfd @ 25 or 35 volts.


Let me know if you can locate it--if so---unsolder the two leads (one marked with a plus and the other with a minus--positive and negative) and replace it----$4.00 part.

SD TECH

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Maybe in the manual you can find any information how to resolve this problem.

On this page of the manual there are shown most common receprion problems: http://manualsbrain.com/ru/manuals/979781/?page=72

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1 Answer

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This is a vertical problem that can be as simple as poor connections at the vertical IC or a defective IC. If you can solder, you should be able to fix this yourself. Realize that there are potentially dangerous high voltages present inside hte set even when unplugged. If you wish to attempt this repair, please update this and confirm your model number as DS31590 and I'll supply additional details and instructions.

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1 Answer

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Try restoring all factory settings. On your remote, press the reset button twice. If that doesn't correct it, then you'll probably need a repair technician. For more info, consult your owners manual, which is also available at

http://www.retrevo.com/search/v2/jsp/downloadPage.jsp?doc=fe26abca0a54ad7cbe4ba91bb243a7c2&q=Sanyo+DS31590

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1 Answer

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