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Sony XBR34* 7 blinks in standby mode, won't turn on

Suddenly, our Sony won't power on. Makes the noise, but just the standby blinks seven times repeatedly with 2-3 seconds break in between blink rounds. Purchased in 1/04, so the extended warranty has ended. Anyone know if this is self-fixable, or does it require a tv repair visit?

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Most likely the TV has a power supply related problem. It's possible that it maybe a bad capacitor or transformer on the power supply board. Right now the TV is flashing a error trouble code. Only someone with the Service Manual for the TV will know what the code means. But, I can't say it's 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptoms.

You have a few choices:

1. You can try leaving the TV unplugged for 30 - 45 minutes so the TV can discharge and reset itself.
2
. 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 red light blinking codes, circuit diagrams, test points, and part# lists.Usually, cost under $20. And most cases the new part cost less than $15.
3. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV.


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

Posted on Jul 19, 2009

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