Question about Protron PLTV-37 37 in. LCD Television

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Pltv4250 come on go right back off

My pltv4250 come on and stay on about 5 minute and go right back off what can i do

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The power supply most likely.. will it stay on long enough to get picture? If not then maybe the inverter board is bad. Have had a lot of them with leaking capacitors on both boards..

Posted on Jun 20, 2008

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Protron pltv4250 start out having vertical lines now just backlight and red light


Check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

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Samsungh LA40B530 No picture but sound


Hello,

try connecting tv to cable direct also try unplugging both converter and tv for wile like 5 mins plug both back in see if tv and converter sync, but if otherwise then
The ysus board is the most common reason.
you can try websites on ebay.com to buy parts for replacement...

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Vizio P42HD, ok for a few minutes then flickers, picture looks "solarized" then goes blank. Flickers on/off at random intervals. May stay good for minutes to hours, may stay bad for minutes to hours, or...


Disconnect the Z sustain board ribbon cables that go to the display and clean them with a small amount of acetone, ( nail polish remover ). ONLY THE COPPER TIPS ON THE RIBBON.....NOT THE RIBBON. Put those back in and do the same with the Y.
Z on the right Y on the left..

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1 Answer

Sony Plasma TV


I had this same exact issue yesterday. I own the same TV model and here is what SONY had me do to get the picture back. Ultimately the picture comes back, but it will be very dim and needs repair. Most likely a power supply issue. Try these steps:

-Press power off or leave with standby light on for 5 minutes (wait the full 5 minutes)
-Unplug TV / Press top buttons 5 times each to remove static from system boards (yes, each button 5 times each)
-Wait one full minute and plug TV in and press power on

Jun 12, 2008 | Sony FWD50PX2/S 50 in. Plasma Television

1 Answer

Picture stays on black


I had this same exact issue yesterday. I own the same TV model and here is what SONY had me do to get the picture back. Ultimately the picture comes back, but it will be very dim and needs repair. Most likely a power supply issue. Try these steps:

-Press power off or leave with standby light on for 5 minutes (wait the full 5 minutes)
-Unplug TV / Press top buttons 5 times each to remove static from system boards (yes, each button 5 times each)
-Wait one full minute and plug TV in and press power on

Jun 03, 2008 | Sony FWD50PX2/S 50 in. Plasma Television

1 Answer

Picture problem


If the set is no longer under warranty, open up the back and reseat all of the connectors and cables. You are seeing a heat related connection problem. If it is still in warranty, bring it in for warranty repair. The other possibility is a heat related connection at the processing chip(s). This is a more complicated repair that should only be done by an experienced tech that works with surface mounted components.
Keep us posted.
Dan

Apr 23, 2008 | Philips 23PF5320 23 in. HD-Ready LCD...

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