Question about NEC PlasmaSync 42MP3 42 in. Television

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NEC plasma TV problem

One and a half inch black vertical line on my NEC PlasmaSync 42 MP3. Possible display panel failure (From what people say on the Internet). Warranty expired. Contacted NEC support but the want £300 just to take it for repair without giving any estimate and I am not sure if I should just throw it in the bin and buy a new one.

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  • vinylbudgie Nov 06, 2007

    Mine now has 3 of these lines. NEC told me the whole panel will likely need replacing...

  • Anonymous Dec 10, 2007

    I have the same problem, i find the problem and i think it´s not possivel to repair . Only exchange the flat painel plasma .
    It is a small component pasted on flat cable that goes to the plasma and enters the glass.
    I am sorry to see something as simple without repair.

    If someone can replace that component say me [email protected]

    It is very easy to find the probelema but repair it .....

  • Anonymous Sep 25, 2008

    I have some discoloration in the middle of the screen. Also the unit turns off randomly by it's self.

  • Anonymous Nov 22, 2008

    Hi there,my 42 inch NEC plasma was switched off accidently at the mains!!and now it will not come on,the screen flickers and then shuts down.I think i saw a black line vertically from about 11/2 inches in from the left hand side before this happened!!Any Ideas???

    cheers...Chris...

  • Anonymous Jan 24, 2009

    I was playing with the functions controling the horizontal and vertical size of the picture in set up mode and shortly thereafter my screen has about a 2 inch vertical black line with a thin line of color next to the black almost in the middle of the TV screen.... I'm calling NEC on Moday, but don't have a good feeling..It is after all 7 years old... Not to mention my brand new 50' plasma was $800...I'd bet the repair on this is going to be brutal..

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6 Suggested Answers

Anonymous

SOURCE:

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Posted on Jan 02, 2017

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Anonymous

  • 244 Answers

SOURCE: Horizontal lines on NEC plasma

Intermittent horizontal deflection
Resoldered the pins of horizontal deflection transformer
Picture is horizontally narrowed and deformed
Capacitor C2913 (390nF, 250V) on the deflector PCB had lost capacity
Geometric distortion, Pillow, and picture enlarged horizontaly
The problem was a short from GND to pin 11 inside IC301 (TDA8350Q). This pin is the output of amplifier for geometric correction signal. Replace IC301

Posted on Nov 26, 2007

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Anonymous

  • 1 Answer

SOURCE: Problem with NEC PlasmaSync 42MP1 42 inch - goes to standby w/no picture

Has anyone figured this issue out? Im really hurting without a tv,

Posted on Nov 18, 2008

Anonymous

  • 1 Answer

SOURCE: NEC PlasmaSync 42MP2 TV Stand required

I need help to find a tabletop stand for my NEC

Posted on Apr 05, 2010

pabloloco

Paul Sager

  • 2335 Answers

SOURCE: NEC PX-42VM3A 42" Power problem

I have read that this has been fixed with little more than a hard reset. This means just unplug your set for 10 minutes or so and let all the power seep out of the boards and capacitors, then plug it back it.

If that didn't fix it, your unit needs servicing. If you are handy here are some troubleshooting steps:

Check the fuse at Y-Sustainer pcb.
If blown do not replace. Look instead at scan converter boards. They are connected between y-sus & plugs from display (left side with face down, back open). Look for signs of 'burning' at upper and lower long boards. If any imperfections are found, replace all three boards: Y-sus, up & low scan.
If fuse was okay, check power supply for bloated capacitors (big board in middle of set).

I hope that helps.

Posted on Apr 19, 2010

budmrtn

Bud Martin

  • 11361 Answers

SOURCE: My NEC 42 Inch plasma tv has sound but no picture.

Model number?
Please inspect the power supply, y-sustain, and Z-sustain boards for blown fuses, caps, blown parts first.
Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Please post back what you find.
Please leave rating if it helps.

Posted on Jan 21, 2011

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