Question about Apex Digital GB4308 43" Rear Projection EDTV-Ready Television
The line comes and goes and sometimes a 2nd line is there at the bottom of the screen. It is connected to cable and we had the cable guy in and he said it is not due to their equipment. Also sometimes if you turn the main power button off when you try to turn the TV on again you get a blue screen. You then have to play with the power button turning it on and off until it finally comes in with wavy lines...after a while a clearer picture comes in and then the black line comes back. The black line sometimes disappears and then reappears. Seems like light colored backgrounds make it appear more often as do cartoons.
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Posted on Jan 02, 2017
If the lines are thin and close together running horizontally, it may be the vertical driver, but that usually takes out the resistor and sometimes the diode in the B+ for the vert. Also you must replace the caps that caused the problem in the first place.
Posted on Apr 15, 2008
I am not familiar with this particular set, but it sounds like you have no vertical deflection, which would mean your vertical output IC may be bad. The # on those ICs usually start with LA and is mounted to a heatsink.
Posted on Jul 30, 2009
The set has over 150 capacitors that could be causing the problem but it is at least 1 doing this. Contact Mitsubishi. Some people have been able to get new replacment TVs because of this problem
Posted on Mar 04, 2010
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