Question about Philips Magnavox 51MP392H Rear Projection Television

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The colors are some what off and arcs in the middle

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If its a dlp it could be the colro wheel or dmd board .If its the color wheel you'll hear buzzing or whirling high pitch sounds.To test if its the DMD board display the menu and if it's affected that's what it will be.If an Lcd most likely a problem with the light engine.

Posted on Oct 01, 2009

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1 Answer

White arcs across screen when the screen is dark or black.


Replace a color gun in your KP51HW40. Then adjust the picture brightness to eliminate these rings by turning a little button behind the front (cloth like) panel (the one covering the front bottom half of the set). You may have to to dim the lights to be able to do that properly. The little dial button as is in the middle.

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Horizontal bowed lines


Since when you experience the problem? what is the first initial problem before you got that one now?

Thanks
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Tip

Minimizing Paper Jamming in any printer


When using any laser printer, monochrome or color machine, be sure to fan the paper before inserting into the paper cassette tray. The technique is simple. Holding a stack of paper in your hands, each hand on the short edge, flex the paper to create an arc in the stack. Then pinch down on the ends of the paper and straighten the arc out. You'll produce a bulge in the middle of the stack which creates an air space between every sheet in the stack. Now the paper will not cling and paper jams will not occur.
The 2nd tip is to note which "direction" the paper is cut because feeding the paper in one side first may provide better traction than if you were to feed the other end in first. Paper has a grain and its lays down in one or the other direction.

on Apr 04, 2010 | Office Equipment & Supplies

2 Answers

My television makes a screeching noise and you can see a light in the front, it won't turn on


Whoever seabelow is, doesn't know about tv repair. You have a projection tv with 3 picture tubes. It doesn't have a color wheel. Maybe he is a tv salesman needing commission. Anyhow your tv has a major problem. The sqreeching noise you hear is probably a picture tube arcing. What happens is connections on the circuit board break free and the high voltage goes too high causing the tube to fail and spark. If you want to confirm this you can remove the rear cover which uses star type screws. Then remove the 6-8 screws from each side by speakers. Pop off front cover and remove small door in middle of set. Get extension cord and stay back from set. When you plug it in and apply power you will see which tube is arcing. Unfortunately, if this is a correct diagnosis, you will probably end up replacing the set unless you find a used picture tube to replace the bad one. Even then you still need repair to the deflectoin pcb. This is about a 400.00 repair. Sorry for the bad news but I though you at least deserved a compitent response. Good luck, Russmann.

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1 Answer

Green color is like a arc how to fix it,red color is fine blu color is fine just the green is like move out the line but like a arc no straith line like curb up how i bend the green dow so can be line up...


There is a problem with one or possibly both of your convergence amplifier IC's. They both handle some of the green convergence. It should not be extremely costly to have repaired. Do have a technician check it out. Convergence adjustments are tricky. Thanks for using fixya.

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change the cartridge with the correct color that is shown in the printer cartridge tank container, The inks in the Arc cartridge may be filled with the wrong color

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1 Answer

Arcing noise in big screen tv 1996 rca


Probable bad HV block Part # 205064

Possible bad CRT = disconnect HV leads one at a time from
HV block until arcing goes away

Please rate this solution..........

Nov 14, 2007 | Televison & Video

1 Answer

Picture problem


Your set is having convergence problems, are the colors messed up in these areas or does it looks normal beside the arc? If the colors are out of line then convergence problems are on the way. Shut down and look at the convergence board for loose solder connections first, Then resistors that needs replacing. Last may have to change Convergence amps.

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