Question about Sanyo DP26648 LCD TV

1 Answer

Unit turns on and stays on for 3-5 seconds and then shuts off...

I turn the set on, a script comes on with "PC" on it. That is the last mode I used it on. Then it shuts off. This will haoppen 2 or 3 times nad then it wont come on at all. I hit the reset twice to go back to the default settings. No difference. I hit menu and it came on for a second and before I could do anything else it shut off again. Can anyone tell me which capacitor I should replace? I don't believe it's the power source or supply... Thanks! I saw another blog which told the person, for a different model which capacitor/transistor to replace, C1061. They replaced it and voila! It worked! If I could only be so lucky to get a direction like that... :)

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  • Sanyo Master
  • 749 Answers
  • 5 more comments 
  • David Pike
    David Pike May 22, 2014

    Thanks... Might you be able to find the link for diagnosing that power unit?

  • David Pike
    David Pike May 22, 2014

    A how to link? Thanks! I want to make sure it's the opower unit and not a different board...

  • CoppellTVRepair.com May 22, 2014

    DPS-153AP can be a bit tricky to test, but you can always give it a try using the same testing approach that would work for most simple LCD power supply boards - signal by signalling the PSON with +5V, e.g. from the standby.

  • David Pike
    David Pike May 22, 2014

    Your speeking "Geek" to me now... I don't understand it... I'll take it to a repair shop to be sure...Thanks for your help... :)

  • CoppellTVRepair.com May 22, 2014

    Well there's no escaping the "Greek" if you want to test things on your own :-) And for the money you'd pay to a TV repair shop (and probably even less!) you can get a replacement power supply. Just my 2c, the TV is yours and the choice is yours...good luck!

  • David Pike
    David Pike May 22, 2014

    I agree with you... I am not sure if I have the talent or tester to test the power supply properly. I would hate replacing it and then find out it's another board. I might have a friend or two that can help me test it... I love your site by the way.. :)

  • David Pike
    David Pike May 22, 2014

    I have it bookmarked... ;)

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micromend
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SOURCE: power turns off after a few seconds

Hi
With a plasma TV the more likely culprit would have been the high voltage generation. Replacing boards blindly in a newer set can be frustrating and expensive. I would let a reputable repair person look at it. At least he/she can tell you what the exact problem is.

Posted on Mar 13, 2010

  • 71 Answers

SOURCE: Sanyo DP32746 Power Supply

Yes replace the power section of the tv.

Posted on Mar 05, 2009

tvhelp-Dave
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SOURCE: sanyo 42 inch lcd dp42647 - turns on, video audio pulse on off

Need s to be replaced the main board.

Posted on Apr 17, 2010

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SOURCE: last night watching tv, picture cut off (black

Power supply board is dying not giving the tv correct voltage anymore.The power supply board,that the board power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Posted on Sep 10, 2010

SOURCE: when I turn the power switch on the tv turns on

This is a classic switchmode power supply, which is shutting down the set to avoid a fire, explosion, or both. This set has developed a problem, that is so severe that the set must be shut down, but when the set is shut down, the "Fault" disappears and the detection circuitry then tries to Restart the Power Supply, it comes on, only to again detect a Fault, and it shuts down, now if left, it would "Hic-Up" like this until destruction This set should now, be removed from the Power, and in my professional recommendation, you should get a "Quote" for repair, from, an, Approved Service Center, this point is very important for a good result, Always contact, their local, "Head Office" Sanyo, in your case. Now, when you get the information you want, from the "Quote" well, then you can decide as to repair of replacement. The reason we want an approved agent, is that way, all the engineers are trained on their own brand sets, they have seen almost all faults, and will get the job done quicker, and for less cost, and usually have original parts on hand, also sometimes, there has been a service bulletin in issued and the repair may be subsided or even free.

Posted on Oct 15, 2010

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