Question about Philips Magnavox 51MP392H Rear Projection Television

2 Answers

Power issue I have a magnavox 51mp392h rear projection tv.When the power button is pressed,it shows power but nothing else.It makes a clicking noise when pressing the power button on or off.Fuses have been replaced.Any help would be greatly appreciated.Thankl you.

Posted by Anonymous on

  • 5 more comments 
  • Anonymous Nov 29, 2007

    This is the middle board of my tv.I am getting no power except the tv showing power and a click sound(relay)but,no power .Could my problem be the part with the red wires running to it?A few weeks before this happened,the tv turned itself off and then turned itself back on 2 times.It worked great the night before it stopped working.

  • Anonymous Dec 01, 2007

    Ok.I now know that the part described above is the hv generator.This is the part that powers the projectors I think.Would like to know if this could be my problem.I appreciate anyones help.

  • Anonymous Dec 09, 2007

    Replaced hv generator.Still no power to crts nor the speakers.Hooked dvd player up to tv and could not get any sound either.Could someone tell me where the flyback transformer is located ?Is it on the board pictured above ?Thank you.

  • gordotv Jun 26, 2008

    hi everybory i have the same problem and i check the board down of the flyback and i find 2 mosfet fqpf10n20 bad i need to find that pcboard number 3122 133 32721 thanks

  • foxstyles Jul 01, 2008

    My phillips projector tv turns itself off and makes funny noises. What is the probles? I have unplugged the tv for 24hrs several times and it still doesn't work!!

  • glenn792 Jul 02, 2008

    my problem is the tv comes on for 15 min then turns off, I REPLACE THE LAMP 3 WEEKS AGO.COULD IT BE A BAD LAMP..

  • Anonymous Sep 01, 2008

    Would i need to replace the power board if it is going into high voltage shutdown?



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Hope this helps,

Posted on Jun 24, 2008


john bidd

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Yes, I believed it in the picture that you are showing with the three red wired are coming from . should have about 9 to11 pins in a rounded circuial on the board

Posted on Dec 11, 2007

  • john bidd Dec 11, 2007

    From your orgin post it migh be going into High Voltage shut down



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1 Answer

Magnavox 51mp392h rear projection t.v's power button will blink continuous and there is a low chirping noise. T.V. does not turn on.

The chirping may be the key...When this is commonly the case its a convergence short. See more details on the site - Look for a chirping repair kit for your model. Its a common issue

Mar 02, 2013 | Philips Magnavox 51MP392H Rear Projection...

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My daughter kept pushing the on/off button on the tv. Now when I push the on button I don't see anything on the screen and I head a chirping noise. Nothing else happens. Help? Is this repairable or do I...

good day. maybe the power supply of your tv damage or fuse worn out. causing the on and off of your daughter. but it is repairable. you just need a qualified technician to fix your problem.

Jun 21, 2010 | Philips Magnavox 51MP392H Rear Projection...

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Magnavox PJTV model 51mp392/17 -pressing channel buttons changes

You need a professional.
Your TV has "lost is mind"

Stop using the TV until it is repaired.
Continue to use it and your problems will multiply and grow more expensive.
Call the manufacturer to find you nearest authorized service center.

MR. TV Sales & Service Inc
Milwaukee Wisconsin 53405
(414) 762-8600
Established 1974

Mar 24, 2009 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Philips rear projection tv-wont turn on

Sounds like your Convergence chips failed, were your red/blue/green colors slowly seperating or was the picture starting to curve on the top or bottom or both? if so see below general post.
Also what model # is your TV and what size?

Actually I have this TV and you need 2 Convergence IC's STK392-120's (120's and 150's will work) of course order 2 of the same type I'm using replacement 150's they allow for a little higher heat and were cheaper ALSO you need to replace the 12 resistors with 6.8 ohm metal film resistors, make sure they are metal film! don’t skimp out here I did and then they blew and fried my IC's and I had to replace everything again!

Great reference link that I posted pictures on, check out page 3

Where I got all my parts that worked:
Suburban Electronics

Manual Library you should find all you need here:

What you need:
(2) STK392-120 OR STK392-150 IC chips
(12) 6.8 Ohm Metal Film resistors
set of star screw drivers
15 watt pencil solder pencil, DO NOT use a high watt iron you will fry the surface mounted item.
good leaded solder, and flux

BTW if you don’t plan on trying this and are going to throw out the TV, I still need a IC convergence board for a 51MP392H/17 TV I'm fixing, I'm willing to pay S/H and buy your IC board that’s not been tampered with. [email protected]

Nov 02, 2008 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Tv wont turn on

your tv is in shutdown mode replacing the power suply module may corect this problem

Oct 16, 2008 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Tv wont power up makes a noise but no picture

Replace your STKS big black ics 392-020 go to 040s if 119s 150s go to 180s.

Oct 13, 2008 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Philips Magnavox 51MP392H Rear Projection Television

are you getting sound, was it moved laterly, did you just get it from somone, did it get wet, does it make clicking noises, was the picture color/ convergence blurring before this, were the colors slowly seperating such as red/blue/green?, did the picture bow on top and bottom or sides prior to tihs, was there anything note worthy prior to the blank screen.

generally its IC convergence problem with the larger philips projection TV's however I need more info on your TV, also size make model # anything you can provide gets us a more narrowed solution.

hope this helps....

Aug 17, 2008 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Mute and C on the screen

The TV is in factory or demo mode - turn tv off and unplug it from wall outlet for 30 seconds - turn tv back on after 30 seconds and see if problem goes away. If not, press the (volume -) and (channel -) buttons repeatedly for about 10 seconds to see if "C" will go away. If this fails call 1-888-PHILIPS for further assistance (they do Magnavox also).

May 29, 2008 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

51MP392H rear projection - flashing on/off button

Power light but no audio/video is fairly common problem. Goto to see if they have a repair kit for your model.

Oct 11, 2007 | Philips Magnavox 51MP392H Rear Projection...

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