Question about Sharp 32F540 32" TV

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No power We had out tv on yesterday and it just turned off, like someone hit the power button and it won't turn back on. We have tried leaving it unplugged for a while and plugging it in to other outlets but no luck.

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Re: No power

Maybe the fuse is busted. try to replace the fuse and if still get busted, u have a problem in power supply section or worst the high voltage section which include the horizontal circuits also responsible for the power! have it checks with a qualified personnel if you are not inclined with this job>

Posted on Jan 15, 2007

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Re: No power

You could have a bad high voltage transformer or problem with the power supply. If the set is over 6 years old, It would probably be better to replace it.

Posted on Jan 14, 2007

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I hooked the ps3 to the philips tv. turned on the ps3, AV1 displays in the corner. Nothing else happens, I am expecting the ps3 logo

give this a try...

Leave the TV running, go over to your PS3 and turn it off.

Once its off, hold the power button down till you hear a beep, KEEP HOLDING THE POWER BUTTON till you hear a double beep. The PS3 will shut itself off.

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I have spent about 4 hours tonight researching several tech sites and the Sony service manual for the same problem with my Sony KV-32HS510 unit. I was able to download the manual from a website and a TV Repair training lecture paper at .

These TV sets have a safety feature where it will shut back down if a high voltage is indicated. Unfortunately, the electronics for these safety features are not very reliable and give false indication. Letting the unit sit off lets the capacitors leak voltage as well as cool off. These two factor help with the unit not falsely indicating a high voltage condition.

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A refurbished D Board part no. A1300319A can be bought for around $200 with a new board at $550 per the site. Then add $100-$200 for an actual TV service technician and you have a repair bill approaching the costs for a new flatscreen TV.

Some tech types posted that they have actually repaired their boards by replacing individual components for around $40. You may find a service shop that can do the same component level repair at the $100-$150 level cost. It turns out that the closest authorized Sony repair shop is 2-1/2 hours away from us. Good luck finding someone close by.

We were able to get our TV to come back on after dozens of attempts and plan to leave it on until it dies all together. I may attempt my own D Board replacement when the time comes.

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this symptom is usually caused by a breakdown in the power-supply circuit. in most modern receivers (transistorised and/or ic), it may also be caused by a breakdown in the horizontal deflection circuits (horizontal oscillator, pre-drive or drive circuits.). this is because the supply volatages for the tuner, video intermidiate frequency(VIF), video amplifier, sound intermediate frequency(SIF) and vertical output circuit are usually supplied by the horizontal output circuit. but if you are not inclined with this kind of job, better bring it to a qualified tv technician. good luck and happy valentine!

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