Question about Sony Grand WEGA KDF-55XS955 55" Rear Projection HDTV

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The tv picture is blacking out every one to two minutes then powering back on.

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If this is a Sony Rear LCD Projection you probably have a Lamp that needs to be replaced.
Hope this helps,
Skyassoc

Posted on Jul 17, 2009

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Tv works great and awesome picture for about 5 minutes. screen blacks out but still has sound, if i turn it off and back on picture comes back for another 2-5 minutes.


Your power supply is starting to fail. It produces several voltages for the different boards inside. There is a board called a T Con board that controls the picture. It would be suspect too. You can get parts for your TV from here.
TV Parts Universal TV Stands DLP Chips ShopJimmy

Nov 23, 2015 | Televison & Video

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New power supply board and screen goes black


It sounds that the off timer has been set to one hour. Check it.

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1 Answer

Samsung 27" lcd tv picture goes black, still have


0ne of 3 has failed:
(in order of probability):

1. Backlight inverter
2. Power Supply
3. Backlight

Please seek the expertise of an experienced TV repair technician - as they contain potentially lethal voltages that must be properly discharged before work can begin.

Thanks!(*&^%

Mar 19, 2011 | Samsung LN-S2738D 27 in. HDTV LCD...

1 Answer

Screen will not light up.standby/timer light blinks continuosly


check for any cold solder on the high voltage section of your tv A high voltage section is located at the power supply section, this is where the power cord is connected.resolder them,the horizontal section it is where the plyback transformer is located resolder them and the CRT board this is the boad that is attatched to the picture tube...good luck

please rate my help..

Jun 04, 2010 | Sony KV-35S42 35" TV

1 Answer

Dynex 32" tv picture goes black


If there is still about ? 24. Volts coming from the Power Board when it goes dark, it will be the Inverter board that needs replacing. If not, it is the Power Board that needs replacing. The Voltages should be written next to the sockets & plugs on the Power Board.

Jun 02, 2010 | Dynex 32 in. LCD Flat-Panel HDTV

1 Answer

Power light comes on but no picture. Black screen


if the set appears dead ecept for the power light, unplug the power cord from the back of the set, wait two minutes, then plug it back in and try to turn on the tv. Doing this worked for me.

Jan 27, 2010 | Sanyo DP42746 42 in. Plasma Television

1 Answer

Blink power button and black screen


Most of the time it is due to a bad CRT. You have three of them in this set and if you do one, I would do them all so there would not be a color imbalance. The Cost of repairing the set would be too great to consider. I would estimate the cost of 900.00 in parts alone. Plus Sony does not have the CRT assemblies to send out. You must remove them from the unit and send them to Sony so they can mount new CRTs on the Optical Coupler. I would price a new set and let this one go.
Skyassoc

Nov 24, 2009 | Sony KP-51HW40 51" Rear Projection...

1 Answer

47in Phillips-tv picture goes black still has


Could be the signal board has a bad cap, in this case it sounds like you are getting intermitten power to the inverters....when the tv goes down and of course you have audio....Shine a flashlight on to screen and see if you have a picture...look carefully. If this is the case..you have the above problem!

Nov 23, 2009 | Televison & Video

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

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