Question about Philips Magnavox 51MP392H Rear Projection Television

1 Answer

No Sound, No Picture on Magnavox 51MP392H/17

The TV clicks like it is turning on, and the light turns red, but there is no picture and no sound, just a blank screen. Chasis #MAG1_AA. I've read that it could be a power supply problem, or the convergence IC may need replacement, but not sure exactly. What is the problem, and where can I get parts and instructions on how to fix it? Thx!!

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  • masonmccoy63
    masonmccoy63 Feb 26, 2012

    this TV was given to me and when i got it home i took the back panel off an this part has purple electricity running inside it when i plug it in and i still got a picture but really dark and it has audio but the sound of electricity is so loud you cant hear over it...i pulled a sticker of the part and its...313503712861 i cant find it any were tho it also says...10/febrero/2005...assembled in mexico...an i would like to see some prices about a new screen to...so if you could answer this for me any one i'd appreciate it soo much !!!!

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  • Philips Master
  • 3,459 Answers

If you hear a constant clicking or chirping sound get the chirping TV repair kit from www.TvRepairKits.com

If you have no video - but have audio - its most likey the HVG.

Note: When the video goes out sometimes its hard to tell if you have audio becuase you can't see the screen to change to the correct channel.

Posted on May 14, 2009

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Posted on Jan 02, 2017

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ThaMp3Doctor
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SOURCE: magnavox rear projection

If the red converge will not line up, then there the convergence chips are actually bad - the repair will cost around $700 if you go through a Magnavox authorized service center. I would look at posts by Slinteriors in the Philips or Magnavox rear projection sections - he has some ideas on generic chips that might be had for cheaper.

Posted on Jul 06, 2008

Slinteriors
  • 8617 Answers

SOURCE: Magnavox 51MP392H/17

yes youre model will need two convergence ICs they are both STK392-120 and you will also need some 6.8 ohm resistors usually two or four resistors will need replacing as well. The site servicemanuals do have all the parts and they do provide free installation instructions with the ICs.

Posted on Sep 03, 2008

Slinteriors
  • 8617 Answers

SOURCE: Help! Please

heres the link your needing the DPTV large signal board.
http://servicemanuals.vstore.ca/

Posted on Sep 13, 2008

Shuttle83
  • 1139 Answers

SOURCE: Magnavox 51MP392H/17 No pic only sound

Hello winwithrose,

The popping sound may have been a capacitor. The chance are the capacitor is in the HV section of the TV set and is part of the supply to the Horizontal section of the TV. First if you do not have electronics experience I would suggest you take the TV to a qualified TV repair shop. OK now if you have electronics experience I would say to unplug the TV, open the set up and do a physical inspection of the TV you will be looking for a capacitor that has exploded; if you find one look at the schematic for the TV and find its value. Then do so checks to find out why did the capacitor explode. Most likely the capacitor exploded because of wear and tear, but it always pays to check. Replace the capacitor with one of the same value and then turn the TV on, use your voltmeter to measure the voltage across the capacitor to make sure its the same or close to the value on the schematic.

These are the basics of what to do

I hope this helps

Thank you,

Shuttle83

Posted on Sep 21, 2008

  • 1 Answer

SOURCE: Magnavox 51mp392H/17 convergetnt problems

When I turn on my magnavox 51mp392h/17 the sound and picture works but there is a sizzling sound coming from inside of the tv I looked and the sound is coming from what looks like a coil it has 4 lines coming from it 3 of which go to the color projectors and one to what looks like a transformer. Can you help me out?

Posted on Sep 14, 2009

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