Question about Sony KP-57WS500 57" Rear Projection Television

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Won't turn on Standby (red) blinks 6 times

I have had a repair man here and he replaced the circuit board and the tv worked for about an hour and then was out again...... Can you help.. repair man is stumped Thanks, Jodi Jensen

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  • Sony Master
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Based on your description, the most likely diagnosis is a failure of the power supply stage although please understand that TVs are quite complex and diagnosing one without being in the same room is not easy. This area of the TV comprises some fuses, a bridge rectifier (4 diodes) a couple of capacitors, fusible resistors and a regulator. All are prone to failure.
That stuff can be checked quite easily if you have a multimeter and a soldering iron. Is this something you think you are capable or willing to do?
The first thing to check would be the main fuse.
If you don't feel comfortable doing this, the repair cost will likely be between $200 and $400 depending on the problem.
Hope that helps........

Posted on Jun 30, 2008

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  • Sony Master
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Thats the code for the +5 line being shorted on the A or B boards which board did he replace. If your not sure can you take a picture and send it to me either here or at my email slinteriors@yahoo.com and I will help you out with the problem.

Posted on Jun 30, 2008

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The red light in front was blinking.the repair man said it was the power board.We replaced it , now the red light blinks 6 times then quits. There is no picture but when on you can here the sound.


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2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , starting the flashing light.

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If you are in situation 2 , then there is an internal fault.

If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

If you want to DIY you find parts here,

All: Appliance parts, electronics parts & more from PartStore.com

Encompass Parts Distribution

LCD/Plasma Electronic Replacement Parts: Plasma & LCD TVs, Appliances |
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Good Luck
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I had the same problem guys! This is what I did:

My T.V. wouldn't turn on. The standby light was flashing six times, then four, then seven...I called Sony and they told me to unplug it for a couple of minutes, then try it again...didn't work....BUT, I have found a solution:

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