Question about Gateway GTW-P42M303 42 in. Plasma Television

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Main power problem-i guess

I have GTW-P42M303 almost 5 years.Couple days ago tv turns off by itself.Green remote led still on but no picture.When i turn tv on and off on remote green and orange led working but still no picture.After turning main power on i can heard normal electronic sound turning tv on and after that i can heard sound like ZZZZZZZZZ an than TZACK no picture no sound. Thank you.

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Fund a technician that is component enough to troubleshoot the power supply to the component level. There are still a few left. You problem could be as simple as poor solder connections(csjs). Also one of the regulator Fets could be shorted. Pay someone $50 to check it out before you toss it. Scrivitron

Posted on Jul 19, 2007

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Thats sound is the power supply shorting out. Most likely the sustain voltage. This is going to need a complete board assembly, and good luck in getting any info. from the manufacturer. We just tossed three of these units in the can, as we could not get parts. Sorry to have to tell you this. Contact the manufacture in the owners manual. I am sure they will want you to ship it to them at a very high cost to repair. Good Luck, Oh sorry to be the bearer of bad news.

Posted on Jul 16, 2007

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Could be many things related to power. Sounds to me like a short though with that tzack sound you describe. How deep are you looking to get here or just looking for a major board to replace?

Posted on Jul 16, 2007

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