I have a 61" nec plasma tv. Just the other day we turned the tv on and only half of the screen was showing. Right now i have the cable box and a dvd player hooked up to it.(they are hooked up separetly). when i try to watch either cable or dvd only the bottom half of the show is visable. any ideas of what is wrong??? we've only had the tv for 2years.
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Re: problem with plasma tv
Something in the path to drive the other half of the screen has failed or is broken.
Need some basic troubleshooting information in order to be any more specific, but I've seen this problem before with NEC plasmas.
If still under warranty better use it
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The screen has broken, probably a stress crack waiting to happen from the day the plasma panel was manufactured. It will cost less to replace the TV completely than to have a replacement 50" screen fitted. In the six years or so since your tv was manufactured the screen technology has evolved significantly, fitting a new panel may not even be possible without other major component changes.
The new tv will have a new warranty, but just fitting a new screen will typically get you a maximum 90 day warranty.
If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD, DLP & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
1. Remove the rear cover 2. remove the perforated large shield on the
main board housing (almost in center). 3. Unplug the right top fan and
temp sensor plugs ( two small plugs at the top of the main board). 4.
Remove screwsthat secure the main board housing, there is also four
screws by the video inputs. Do not unplug the board, just gently pull
it away 6 to 8 inches. 5. Remove the cover with the Top fan attached
(more screws). 6. Now the scan board for the top half of the screen is
exposed. The board has four large heat sinks with two large
Electrolytic aluminum caps next to each heat sink. 7. The problem caps
are at the very top right side of the scan board C192 Nichicon 220 uf
next to the IC, the other cap is C120 100UF on the lower side of the IC
next to a heat sink. I replaced them without taking the board out. C192
is the one that failed, the other one tested OK but I replaced both.
I got the caps from Mouser.com they are 69 cents each, the Mouser
part number for the 220Uf is: 647-UUD1C221MCL1GS (Nichicon 220uFm 16V
6.3x7.7 mm surface mount); the 100uF is:647-UUD1E101MCL (Nichicon 100uF
25V 6.3x7.7mm), both are 105 degree C. I bought two extra spares in
case I need them for the future.
Reassemble the unit in the reverse order and you are done. Note if
you test it without closing everything, make sure you have the main
board shield back on, otherwise the screen will bleed due to the noise
from the board. good luck! mine has been working fine.. just like new..
I had one broken a few months ago. I got a couple quotes.. it was about $200 less then a brand new one. I'd just buy a new one.
For the new TV I'd pickup a screen protector for it. My son threw a toy at my TV the other day and I nearly had a heart attack from the flashbacks. Thank God I picked up one of these a few weeks earlier. It stopped it. http://www.tv-armor.com