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I have a Sony KDL-XBR4. Working fine when I went to bed last night. Today I have picture but no sound. Have Sony sound system. Switched to TV speakers and no sound.

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

freetek
  • 5568 Answers

SOURCE: Quasar TV sp 2724E Loses the picture

Sounds like a failed vertical amplifier circuit. This is normally primarily contained in an integrated circuit mounted on a heatsink.
There are other possibilities along the line but the one above is the most likely.
Now all you need is a TV repair shop that is still in buisness.

Posted on Jan 03, 2009

dsacco86
  • 1077 Answers

SOURCE: My Sony KDL-46 Xbr4 picture flickers and there's

The blinking light is a problem code.
Most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
But, I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you blinking light codes, circuit diagrams, test points, and part# lists. Usually, cost under $20. And most cases the new part cost less than $15.

I hope I shed some light on the subject for you.

Posted on Jul 05, 2009

  • 30 Answers

SOURCE: Samsung PS50C91HDX Sound but no picture

It sounds like the main board or screen may have gone

Posted on Sep 26, 2009

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vinnyq
  • 157 Answers

SOURCE: sony bravia kdl-52w3000, turn tv on, no picture or

Most likely this is caused by a defective main board. Changing the main board will fix the issue about 95% of the time.

To be absolutely sure, the voltages need to be checked on the power supply. If they are not the values listed in the service manual, then you should replace the power supply instead (accounts for the other 5% of the time).

Posted on Oct 07, 2009

  • 1 Answer

SOURCE: Sony SXRD Projection TV

I have the 50" SXRD TV and have expereienced many of the same problems as other owners. Sony replaced the optical block at no charge after the screen yellowing effect took place. Recently, I have the TV shut down with the flashing red light blinking in sequences of 4. After unplugging the TV for a few minutes, replugging it, and turning it back on, it worked again. However, this was not a pemanent solution as the problem returned. After reading several posts here, I turned the TV to look into the fans and voila, the one on the left was not spinning.

I took the back off of the TV (9 screws) and took apart the fan housing to vacuum everything. In addition, I vacummed everything else I could see. After putting it back together, the problem was solved. Save yourself a repair call. Get out a phillips screwdriver and a vacuum cleaner. Thanks to the posters on this site!!

Posted on Dec 28, 2009

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midgefive_1.jpg

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