Question about NEC Televison & Video
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to both Plasma & LCD screen are given with illustrations. You can get an idea about the fault to an extent.
Posted on Apr 08, 2015
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Posted on Jan 02, 2017
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
SOURCE: NEC 42mpi plasma tv not working
Check the +170 volt test point on the power board (not the power filter board, the one that the plug comes into) but the one to the right of that board. It has a 5v test point (TP +5v) , a +170 and a +70. I've found that the +170 transformer goes bad, and won't allow you to adjust the voltage using the pot screw.
Posted on Feb 06, 2008
I don't know if you have the owner manual for this T.V. or not but if you need one you can download a manual at www.devicemanuals.com/guide/Television/ Hope this helps!
Posted on Feb 16, 2010
double check that there is no interverance from the lead (try adiverent lead iv not check or get somwhone to check the internal connections that they are not lose or dirty other wise proceser board us
Posted on Jun 12, 2010
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