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42" magnavox plasma started to smoke, has audio but no video?

42" magnavox plasma tv. tv started to smoke and picture went out. sound is still present. only 18 months old. what could do to fix the problem?

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Power board replacement a burnt circuit is visible upon opening unit and removing the power board.

Posted on Jan 29, 2009

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I HAVE 42 INCH MAGNAVOX PLASMA TV AND THE SOUND WORKS BUT THE TV DOES NOT SHOW A PICTURE AT ALL IT IS JUST ALL BLACK,COULD IT BE THE PICTURE TUBE THAT WENT OUT.


yes...the video card could have gone out but most likely you have a connection that is loose or bad. I would check those first. If you have done so then I would try another video port and verify that it is the screen that is out and not just the port you are in.

Oct 11, 2013 | SNK Magnavox 42MF231D 42 in. Plasma TV

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Sound but no picture


it sounds like the cable/satellite connections are inpoperly connected

Dec 12, 2011 | SNK Magnavox 42MF231D 42 in. Plasma TV

1 Answer

42" magnavox plasma tv lost


The power supply feed deferent voltages to the TV and the Problem is the electrolytic caps need change out on the power supply module, or you can go to www.partstor.com and get a new one.

Aug 30, 2011 | Televison & Video

1 Answer

Loud bang, then audio only from my tv


YES YOUR YSUS PANNEL HAS JUST POPPED CHECK OUT EBAY FOR REPLACEMENT,,

6871QYH053B

IS THE MODEL BOARD U REQUIRE,,

THERE WAS A GUY ON EBAY 64.99 AND 12£ POSTAGE AS LONG AS YOU STILL HAVE SOUND AND NO PICTURE,, YOUR PSU SHOULD BE FINE,,

Feb 11, 2010 | LG 42PX5D 42 in. Plasma HDTV

1 Answer

42' plasma magnavox model # 42MF230A has no picture and no sound


I had the same problem with an Insignia 42" 1080p. Turn off the tv power and disconnect all cables (i started with power cable, then HD cables then HDMI). Wait 30 seconds with nothing plugged in, then I plugged everything back in (in reverse order) and it works fine.

Oct 04, 2009 | Philips Magnavox 42MF521D/37 Television

1 Answer

There is no picture but have audio


Your mainboard is damaged and need to be replaced. in order to get a new one you will need a product code and model number, both located in the back of th TV next to serial number.

Jun 03, 2009 | SNK Magnavox 42MF231D 42 in. Plasma TV

1 Answer

My Magnavox 42" plasma TV purchased from Home Depot also went out last night.....No picture only audio. What a shame! looking for a posible solution


power supply board - check the fuses first --- remove all cords and power cord -- wait one day then connect -- if this doesnt work -- you probably need a new power supply board without looking at it - can order online at partstore.com

Feb 27, 2009 | Philips Magnavox 42MF521D/37 Television

1 Answer

No picture but has sound


Regarding the Plasma TV with dark picture, this is often caused by bad sustain board, replacing the Ysus Zsus kit may solfe the problem.

Regarding instead the Vizio with sound but no picture:

If an LCD TV has sound but no picture do the following:

Use the source button to ensure that source is not set to the wrong input.

Try unplugging power cord for ten minutes, to ensure it is not a setting problem.

Check all the video cables at the back of TV.

Check Light /Color settings.

If problem persist and does not depend on external receiver or settings, then it is likely an internal fault.

If it has sound but no picture then one of the following parts is faulty, and must be tested and replaced:

The inverter is the high voltage board that provides variable power to the backlight lamp. This is the most common. When inverter is faulty you can get no picture, or a very dim picture that can only be seen by pointing a torch light with a 45 degree angle on the LCD surface from very near distance.
The inverter must be tested by reading voltages with a multimeter.

The LCD ribbon cable/LCD display and connectors.
This is quite uncommon, but happens. If the TV had been hit or moved the LCD cable may have slipped out, or the LCD connector may be damaged.

The LCD controller board.
This is the board that controls the video signal, it is difficult to test, as there is need to read determined values on IC pins. To test this board you need to purchase a service manual and follow the troubleshooting diagrams on service manual.

Input/Output Signal boards.
This are the boards where you connect the video and audio cables, if a signal board is defective, then you may get no picture on particular inputs located on faulty board.

If under warranty contact the manufacturer ringing the number on the user manual.

If you want to repair at your own expenses, just locate any good qualified repairer.

If you want to DIY you find parts here,

All: Appliance parts, electronics parts & more from PartStore.com

Encompass Parts Distribution

LCD/Plasma Electronic Replacement Parts: Plasma & LCD TVs, Appliances |

Oct 14, 2008 | Philips Magnavox 42MF521D/37 Television

1 Answer

42 inch LG Plasma TV - Lost picture


ysus pcb that supplies voltage to the panel is faulty

Dec 14, 2007 | LG 42PX4DV 42 in. EDTV-Ready Plasma...

3 Answers

Plasma tv


Hi!
what do you mean sir you have no picture but you have sounds?

Nov 01, 2007 | Televison & Video

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