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My nexus 42

Model 420 shows power from red light to blue, making a short and faint squeak beep sound just before the picture would normally appear on the screen,,,,, but no picture, however the sound comes on as normal

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: flm-3201

my polaroid model #3200  does'nt come on!  the light goes from red to blue and nothing,the picture stays black with no flashing or flickering

Posted on May 22, 2008

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SOURCE: JVC 42 INCH PLASMA POWER LIGHT BLINKING ONLY NO PICTURE

no kidding? what is the problem so prevelant in this unit? obvious design flaw.

Posted on Jul 26, 2008

  • 1738 Answers

SOURCE: 42' plasma won't show picture or sound.

It is your man power supply board.

Posted on Dec 09, 2009

  • 301 Answers

SOURCE: Ihave a LG 42 in plasma 42PC3D; there is areal

it is going to be a failure of the Z sustain board if you can see dark video. you can either replace the Z sustain board or the IPM that is bad on the Z sustain. the board is about $175.00 or so part number is 6871QZH034 I THINK.

Posted on Dec 17, 2010

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1 Answer

Why don't my 42 inch nexus tv get picture or sound when powered on?


Fault with main board. Damaged component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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Nexus 42 inch tv won't power on


This sounds like a problem with the power board. Look on you tube for troubleshooting video's for your model. It depends how confident you are in working inside a TV but you can pick up a second hand power board fairly cheap on ebay. Remember always to specify the model number when searching for things.

Sep 09, 2014 | Nexus Televison & Video

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Could someone explain to me how to fix this myself?


the power board is under excessive load there is a short circuit component on the secondary side of the power supply you will need a multimeter to locate the faulty part and a soldering iron to replace it

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1 Answer

42LG5010 When switching the telly on the red light flashes then to blue light comes on to show we have power but no vision or sound


I would start by shining a torch at the screen when the TV is turned on and see if you can see a faint image in the background, if you can then this would more than likely be down to your inverter board/s
If not then if you have no picture and no sound at all then i would put this down to your main AV board (the one with the scarts and inputs on )
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HT transistor, or rectfying diode from chopper transformer is blown.

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If this is the model with a light engine, then there lies your problem. Your filters in the engine are burning up. The light engine will need to be replaced. If this is an older model with the 3 tubes you might be able to adjust your red green and blue tubes to get the picture back in good standings. Please keep in mind when asking questions to include both the make and model number. This will help us help you more efficiently.

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1 Answer

Flm-3201


my polaroid model #3200  does'nt come on!  the light goes from red to blue and nothing,the picture stays black with no flashing or flickering

Apr 01, 2008 | Polaroid FLM-3201 Television

1 Answer

MITSUBISHI CRT TV MODEL CT-33AC2SL


check for dry joints in power supply

Oct 09, 2007 | Televison & Video

4 Answers

JVC 42 INCH PLASMA POWER LIGHT BLINKING ONLY NO PICTURE


no kidding? what is the problem so prevelant in this unit? obvious design flaw.

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