Question about Televison & Video
I have an NEC 42 inch plasma. 2 days ago horizontal lines have been travelling upwards on the screen. Any idea how this has been caused or how I can fix this? Thank you
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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Posted on Jan 02, 2017
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