Question about Sony KP-51WS500 51" Rear Projection Television

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Sony KP-51WS500 Blinks/Flashes 6 Times

I have a Sony rear projection TV and the power light blinks 6 times. I read the repair/schematic manual and it says that it is a Low B OCP/OVP problem and the cause is ? +5 line is overloaded. (A, B Boards) ? +5 line is shorted. (A, B Boards) Well now that i know that is the problem how do i fix it!!! Do the A/B boards need to be replaced or should i try lower the color voltage settings on the TV?? I am totally clueless as to what to do and I cannot afford $600 to fix this tv! Someone please help!!!

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Re: Sony KP-51WS500 Blinks/Flashes 6 Times

Nspect the bottom of these boards for cold solder joints with a magnifier & resolder suspect pins, also check the capacitors on the board, if they are little silver smd type look for yellowish liquid to be present around one or several of them, you need to replace, either of the above could be your solution.

Posted on Jul 22, 2007

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51ws500 sony shuts down and standby light flashes 8 times

Eight blinks points to an audio output problem. The unit goes to standby and blinks the self-diagnosis code. Check IC406 audio amp, PS401, and 402. On some projection models of Sony TV sets, this code means that T8005 (flyback transformer), or the associative components in the high voltage circuits are defective on the D board.

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You need to call a Sony service center for this problem. It will cost you less in the long run.

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1 Answer

KP-51WS500 Flashing 6 Times

Well, it's DEFINITELY the High Voltage power supply is DEAD! Won't start up...or goes into OVERVOLTAGE SHUTDOWN....

Most of the time it's overvoltage problems...

The KEY to knowing which one is actually occurring is the amount of time it takes before the 6 blinks occur...

A DEAD HV circuit takes a lot of time, while the OVERVOLTAGE will take less than 40 seconds for it to register the 6 blink code....

In this case (overvoltage) replacing the HV oscillator/regulator IC is mandatory...

A dead HV circuit could be anything in the HV circuit, from the Regulator IC to the HV splitter...
It's really wiser to consult a TV technician on this....

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When a Sony TV flashes five times, that means that there is an AKB circuit fault.
Six blinks is also a fault related to video problems, and regards a fault concerning the digital board and the Jungle IC (the main CPU).

This means that there is something wrong with the video.
Try first unplugging power for few hours, if that does not work, call a technician, as several IC and components must be tested and eventually replaced.

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I believe the problem is either in the G board ( power supply) or the D Board ( high voltage) as the 3 blinks indicate the G board, and 7 indicates the D board and 6 indicates the +5 line a and b boards. So with that many codes its most likely the G board (power supply) You can get a new replacement G board at the following link which comes with free tech support to help you plug the baord in which is very easy. Its listed under the Sony parts category and its the A-1316-566-A sony G board, Here is the link.

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