Question about Philips Magnavox 55P9271 55" Rear Projection Television

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I have a magavox big screen

It comes on but no picture shows but do have sound model 51mp392h/17 it just black screen shows

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Hello cce357,

This can be any number of things, here is a possible listing:

1) No High Voltage (check the IHVT or the trippler)

2) CRT filament transformer winding open (check the windings that supply voltage to the CRT filaments)

3) Video / CRT socket boards bad (highly unlikely but check anyway)

4) High Voltage power supply malfunctioning (related to problem #1)

This listing is a good starting point. I would suggest that you purchase a schematic to aid in testing the voltages mentioned in the 4 steps above. If you have a background in electronics then do the above, if not please ask a qualified TV technician to perform these steps.

Thank you,

I hope this helps,

Shuttle83
http://www.electron-age-technologies-llc.com

Posted on Dec 08, 2008

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I have a big magnavox tv that all of a sudden the picture went out with only sound. I tried everything possible from changing cables and calling my cable company to see if the problem was there but no


Your flyback has failed most likely...bad new is they are nearly impossible to find, This is a known issue on most of the models below. The site Tv Repair Kits can sometimes get replacements - but its not often.

This repair kit is known to work on Magnavox TV sets with the following Chassis/Model Numbers.

DPTV305 , DPTV305F , DPTV310 , DPTV315 , DPTV330 , DPTV330F , DPTV335 , DPTV340 , DPTV345, MAG01

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2_27_2012_4_36_52_pm.jpg

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And here's a link for the Lenticular (middle) Screen, if needed:

Philips / Magnavox 51MP392H Replacement Part Lenticular Screen

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51mp392h/17 model number magnavox


try resoldering the vertical output IC. That may be the problem bad solder has been known to cause that symptom in the chassis

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1 Answer

Magavox 55p8288


Sell my the Lenticular Screen (the first screen) or find out what part you need and buy it from me.

danj34 [at] gmail [dot] com

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