Question about Televison & Video
Why are threr blck lines running down my tv screen
nec plasma 42px42xm1g..had 3 lines running vertical down screen to about halfway,now have 4. 2on right close together..2 on left not as close..other than that all is okay I have a dark line theat runs down the center of my Toshiba 42L196 42 in. LCD tv screen. I have had the tv for two years. What can be the cause of the dark line.
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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
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