Question about Sanyo DS20425 20" TV

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My Sanyo DS20424 comes on and then quickly turns off

I can press the power button three times and the TV comes on and quickly turns off. If I unplug the TV for 5-10 seconds, I can then turn it on three times as above. This is repeatable.
The manual's "Helpful Hints" states -
1. Problem: TV turns off automatically
2. Check these conditions: Check signal (Cable/Ant.) connections; Power surge feature
3. Try these solutions: Press POWER key; The sleep button may have been set; Unplug TV momentarily
Thank you.

Please note that is a Sanyo DS20424, not a DS20425.

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  • Anonymous Oct 18, 2008

    I have the same problem with the DS20424. I was playing XBOX 360 on it and it just turned off. I can turn it on three times every time i unplug it but it will not stay on. I don't see a picture, just a black screen for maybe 5 seconds.

  • Anonymous Oct 27, 2008

    My Sanyo DS20425 just started doing the same exact thing. Haven't had the thing on for more than 20 hours since I've owned it, purchased brand new. Turn it on, attempts to come on, one second later shuts off. Will do this 3 times, then will not come on at all until unplugged and left alone for a few minutes.

  • dorynmatts Nov 26, 2008

    my sanyo DS20424 comes on then turns off quickly but doesn't even show any thing on screen.I can only tell its turned on by the sound

  • Anonymous Dec 26, 2008

    Same thing here

  • heckflan May 13, 2009

    the tv comes on and goes right back off its a sanyo 20"

  • pmparker458 May 18, 2009

    I have the same problem with my Sanyo.. I turn it on sound comes on picture just lights up and it switches off. It seems to turn off quicker on the next 2 attempts then it will not turn on at all. I unplug it and replug it and it is the same game all over again. Shouldn't Sanyo fix these through a recall? It appears many people are suffering from the same problems and that is the ones who have searched for answers others either took their sets to shops back to the store or chunked them..

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SOURCE: Sanyo 24" flat DS24425 suddenly turned off, won't turn on

Solution to the won't turn on or turns on and turns off in 3 seconds thing...as my Ds24425 did.

First thing is very important...unplug the TV and let it set for 24 hours before you proceed.

The voltages inside a TV are EXTREMELY HIGH and LETHAL....so proceed with caution!

Place the set face down on a towel on a table and remove the back cover....hex screws around the perimeter and 1 phillips screw near the inputs.
The main board will slide up and out. unplug the degausing coil "white plug with two wires" and the speakers connector. This will make it easier to turn the board and take a look.

What I found with mine was a bad electrolytic capacitor. You can identify I bad cap "capacitor" by examining the tops of each one for bulging or signs of overheating "melted or bubbled plastic covering." The cap in question was C626 with a value of 1000uf, 16volt. I replaced with a 1000uf, 35volt and it works perfectly. The cap is located about center of the board. Carefully unsolder the cap and remove, make sure to install the new cap with the proper polarity...the board is marked with a dot indicating the negative lead of the cap.
Be sure to reattach the white plug and speakers connector and slide the board back into the plastic grooves. Then replace the back cover and test. Good luck! ...Daddio

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SOURCE: My Sanyo TV Model number DS20425 will not stay on.

look for d482 to be shorted if it is ecg 552 will replace and r482 will be open too iused a one ohm 1 wat res to replace so far it working just fine

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