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I have sound but no picture just a black screen

I have a philips magnavox projection big screen tv and all of a sudden the picture went out. we have sound but no picture just a black screen. what could have caused it and how much am i looking at for repair or can it be done without a tech. it's a philips magnavox projection tv, model number 7p6041 c101 chasis ptv780-ah01

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  • Anonymous May 17, 2009

    HI MY TV WAS WORKING FINE THEN JUST WENT BLANK BUT YOU CAN STILL HEAR THE SOUND JUST NO PICTURE, MODEL 50WT29B. REAR PRROJECTION

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2 Answers

I have a magnavox 52 inch tv the picture got a mirred look to it then went black but can still hear te sound can you tell me what's wrong


This is a very common failure on Projection sets. Its called a convergence problem.

You may have one or more of the following symptoms.
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • No Audio / No Video - Makes Chirping Sounds

You can see some examples and find a fix here...

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Oct 17, 2009 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Can you replace the picture tube on a big screen maganavox tv?


yes it can be replaced.but the tubes are costly to get replaced.you can get the parts at www.partstore.com or at www.shopjimmy.com thanks.

Jul 11, 2009 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

NO Picture, No Sound


might be the picture tube,have it checked by a tv repair man

Jul 29, 2008 | Philips Magnavox 20MS233S 20" TV

1 Answer

My tv has sound and no picture


This is a common problem with older Philip Magnavox projection sets. Over time one of the IC chips on the main power board begins to fail. You can find replacment chips and repair instructions on www.magnavoxhelp.com.

Jun 26, 2008 | Philips 60PP9202 60" Rear Projection...

1 Answer

No Picture, No Sound


You can get a repair kit from www.magnavoxhelp.com for under 30.00 dollars.

Jun 15, 2008 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

I think I have the same tv. Its a philips 50 in projection tv.


Common problem with the older projection Magnavox TV set. The opto IC chip has failed. Try www.magnavoxhelp.com - They have instructions and kits on their site.

Jun 14, 2008 | Philips 9P5034C 50" Rear Projection...

1 Answer

No sound no picture


This is a common problem with older Philip Magnavox projection sets. Over time one of the IC chips on the main power board begins to fail. You can find replacment chips and repair instructions on www.magnavoxhelp.com.

Mar 28, 2007 | Philips 50P8341 50" Rear Projection...

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