Question about RCA P46924 46" Rear Projection Television

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32" Trinitron warms up picture goes black

Hi, I have a 32" Sony Trinitron. The picture is great but after a short time (a minute or two) the image starts to deteriorate. Blacks lines appear on the screen and seconds later the image fades to black. If I turn it off and on the same process happens again, only quicker because the set is already warm. I would say that the tube is fine given that the image is good...even if only for a few seconds. Could it just be overheating? Capacitors? Does it just need cleaning or are we talking about some real $ to service it? Thanks for the help, Strobelight

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Re: 32" Trinitron warms up picture goes black

You need to call for service now that the unit still turns on,the problem will become expensive if you try to use it like this,right now the set might have loose conections in the power supply,horizontal driver transformer.ETC.Be safe and call a service tech.

Posted on Sep 25, 2006

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I have a Sony Trinitron Model number KV-35V65, 6 years old. The tv has presented with this problem. The screen will go black, the fan continues to run, and the power stand-by light blinks. It was doing...

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As you said, for some time TV shows bad convergence in picture that shows its matter of lose/ dry solder joints in D board, specially on convergence out ICs pins that need to be re-solder.
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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.

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

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The image leaves and the screen goes black.

Either the picture tubes are going, or they are dusty. Take apart the front grill and take off the black cut away behind the grill. Inspect the tubes and the circuit boards. If they are dusty blow them off with an air can duster. It might work and its free and takes 5 minutes.


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Sony projection tv 5 years old

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Oct 30, 2008 | Sony KP-57WV700 57" Rear Projection HDTV

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Hi im michael i have a old sony projection screen 10 years old or more. i believe its a trinitron.the picture comes on for awhile then goes out and comes back on just a minute later

Hi Michael,

If you were to watch a DVD using a different input than the cable/satellite input, does the image also fade in and out? When the image disappears, are you able to view the TV's onscreen menu or does it disappear too? When the image comes back, does it look fine and is the brightness the same?

Oct 16, 2008 | Projection Televisions

1 Answer

Sony warms up - picture slowly becomes dark

You are losing screen voltage or whats called the boast voltage most likely. This is probably being caused by a bad capacitor in the sweep power supply. You will need to get a service manual as well as use an ESR type capacitor meter to find the bad capacitor(s). Good Luck

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