Question about Sony KDS-50A2000 50" HDTV

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Sony KDS50A2000 power LED flashes green, then clicks off and flashes red four times over and over.

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  • IMCAmodRacer Oct 08, 2009

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4 blink is a fan error. This is caused by one of the three fans not spinning fast enough or has stopped completely. The fan that usually causes this error is the one over the bulb and toward the back of the set. The repair is not expensive, but to do the service correctly you must get all the dust out of the tv or the fan will clog up very fast again. Getting the dust out is kida tricky because you have to get the dust out without contaminating the light engine, if it gets contaminated you will get colored splotches on your picture. I recommend getting a pro to fix it, the repair should be fairly reasonable around $150 to do the repair. The fans are not that expensive.

Posted on Oct 08, 2009

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1 Answer

Red LED blinks four times


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power led, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating, to many popular brand TVs and other devices. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.

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Hello,
the error light sequence that you are seeing is indicating a "backlight error". Most likely you have a bad inverter board -the board that powers up the back-lights behind the display panel. They might be available via ebay if you are a DIYer, or you need to call for sony service.
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1 Answer

On/Standby light flashes red four times


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/

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1 Answer

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