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I have a 17mf200v/17 magnavox flat screen/monitor tv that has good sound and no picture can tou help.

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  • cjackson14 Sep 04, 2009

    hi, i check all you solutions and all were was no help. all i did was tune it on with the remotes the pic came on and went out.any more ideas. thank you

  • cjackson14 Sep 06, 2009

    good morning .will i still have sound, thank you

  • cjackson14 Oct 02, 2009

    just to let you know,the LCD panel was bad.replace it and worked fine them. thank you for you help.

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Its High Voltage problem. Check fly back transformer in the unit.it has to be replaced. in the flyback circut it is common for the solder connections to get heated up and become disconnected, so try resoldering any bad solder, if that don't work the components will need to be tested and the flyback high voltage transformer will need to be tested for connectivity(after voltage discharge) if this don't work then the tube or the crt board is failing.but if the flyback is proper then
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It is the capacitor. Magnavox installed a power system that is insufficient. All you need to fix the problem is a 2200 watt capacitor that is heat resistant up to 150 degrees. You can get one at www.radioshack.com for 4 bucks.this will help.
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thanks.please keep updated.please do rate the solution if helped.thank you for using fixya.

Posted on Sep 06, 2009

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Well some more information would have been an advantage.
When did it occur was it Ok before Wasthere lightning recently ( in the time it was last on and now)

1) Make sure brightness is turned up.
2) Ensure you are actually on a fully tuned channel
3) it hasnt accidently been switched to monitor mode
Those are common occurrences, because someone fiddles with it.

Have to get the obvious out of the way first.

Loss of picture can be many things on the component board, from a bad IC to a capacitor birning out. Whatever, it is related to componentry if not the simple things.
If you are not skilled in electronics to be able to investigate it yourself with the use of a mutimeter to check voltage etc It would be wiser to take it to a repair outlet.
If there is any warranty then use that to have it repaired.

If there was a storm and you can show that there is fusion then a claim on your insurance will at least pay part of the bill.

Posted on Sep 03, 2009

  • dennis bullard Sep 04, 2009

    If when you turn it on you get a brief picture and then nothing the power board is damged. The sensor for power overload cuts in and blanks the screen to try and cut down on the amoint of power and heat. This is a safety factor to prevent combustion ( fire) from overhating of circuit.

    Call a technician to have it fixed and refrain from trying to make it run, unless you have insurance and want to get a new house


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