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

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Sony KP-57WS500 57 in. Rear Projection Television

We are getting the six blinks of the standby light and wonder if you have come across this before...

According to http://www.techlore.com/article/15444/Understanding-Sony-Television-Blinking-Codes/
*** Six blinks - No Horizontal (H STOP), no raster, goes to the blinking self-diagnosis function immediately. Check C515 & 516 and the jungle IC, IC206.

Any ideas or suggestions as to which part may be the culprit?

Thanks!

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I'm not sure about the reliability of the information you got. According to the service manual, 6 blinks on this set (KP57WS500) indicates a low B+ condition, a short or load on the 5 volt line, probably on the A or B boards. Start by checking IC2 on the A board, this is the 5 volt regulator. If it is good, then you have to start disconnecting things to see what's loading the line. I would suggest the video driver IC's which are on the CRT pcbd's, you can disconnect them one at at time and monitor the 5 volt line to see if it comes up. Remember to rate this soltuion please. Thanks!

Posted on Nov 07, 2008

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