Question about Olevia LT37HVS 37 in. LCD HDTV

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When i turn on the tv there is a flash then in just stays black took it apart and the copasitors arn't blown what could it be?

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You will need to start from the main power supply section to see if the power works. Please check this link for tips on SMPS

You will need to remove the panel to determine the voltage that comes to feed the main board. check the +B , if the voltage dies off, if so check for short in the circuit. Possible drivers being short can also be the reason. Remove off the leads to the output and check if the voltage builds up to confirm.

Posted on Nov 15, 2010

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I have a 2013 Samsung 32inch tv that keeps turning on and off when plugged in. I took it apart and it has a blown copasitor....is this why it is doing this?


yes the capacitors keep the voltage steady, need replacing with same voltage and uf number. also make sure they 105c rated..

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When i turn my tv on the screen just stays black. You can hear the volume. I just replaced my bulb about a month ago. I took the bulb out again to see if it was blown and it wasnt. Does anyone know wh


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Green light stays on, while the tv has black screen? and stays on for 2mins and than black screen come on, than 20secs later turns on again and this happens repeately


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Flashing screen when i first turn on my SamsungSyncMaster 2232 bw


I had a similar problem with my LCD computer screen. I took it apart and noticed a capacitor that was raised up on the flat end and appeared to be leaking a substance. Replaced it with a similar capacitor and works fine, for three years now.
good vs bad capacitor-cuyr3kvvjldpt1le4ow1uj23-3-0.jpg

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1 Answer

Sony kp-61hs10 tv, has sound but picture goes black after 3 min.


I just had the same problem. If your lucky it might be a free 5 minute fix. The five light flashes mean impropper current. I took the front grill off, then behind that is another black cover, I took that off and noticed the circuit boards COVERED in dust. I then took an air can duster and blew off all the dust... works like new. No more flashes and in an out picture. The collection of dust was interfereing with the electrical current.

Ben

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1 Answer

The tv skeen stays black but the red light stays on . is my tube blowned out and needs replaced .idon't know can you tell me ?


If the screen is black but on, as opposed to black because it is off, check to see if your timer is set to turn the tv off.

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Tv picture tube blown


i actually have this bulb delta 771co well i have all 3 of them red blue and gree that worked when i took the tv apart. The problem with the tv was it would turn on for a few minutes then shut off so i took these out not more than 2 weeks ago. Make me an offer i will sell you all 3. jacobson767@yahoo.com

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Tv screen stays black with the blue light and two red lights blinking


I have the same problem, if anyone has a solution PLEASE mail me at macry2121@aol.com

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1 Answer

Mitsubishi flashing light replaced capasitors that were blown tv still has flashing light


The four cap replacement in DM module repair is simplistic
and incomplete, as you found out. ALL defective DM modules
have bad SMC's ( small "top hat" caps) AKA surface-mount
capacitors that can be changed only by the most highly skilled
bench techs. We used to change out hundreds years ago in
camcorder circuit board repair.DM board repair is a much more
accessible,thus more "do-able". For more info.............T.

Sep 26, 2007 | Mitsubishi WS-55513 55" Rear Projection...

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