Question about Polaroid Televison & Video
...continuously, what causes this? The picture will flicker for 10 minutes at a time before correcting itself. Check and replace the bad CCFL lamps inside the panel. This is due to backlight
...often it's a defective inverter, or a bad CCFL lamp. You could also have a problem with 24vdc output from the power supply, or "backlight on circuit from the main board. Get a proper
Question about Sharp LC Televison & Video
...There could be several things that can cause this. Could be a bad CCFL bulb, inverter, power supply problem, main board, or T-con. You will need to have the set diagnosed to track down the
bad backlight CCFL bulb. Vizio was going to repair it out of warranty (13months old) , they sent a repair guy that changed the main board and the power board and neither fixed the burning smell. So he
CCFL tubes}so the power supply protects itself [and you] from smoking self-destruction. If you feel technically inclined, you can remove the back panel and do a visual inspection for leaky, bloated or
Question about Seiki Televison & Video
...ccfl cause all others to not come on? I do have voltage going to the invertor. Hi Terry, The only thing left is cfl tubes. Yes one bad cfl may cause this problem. There is feedback from each cfl and ...
bad capacitors on the inverter board (and I'm sure that this is an issue, but it wasn't mine.) After replacing all of the caps on the inverter I still had the same problem. Long story short, I
...it means backlight problem. Two possible causes. One, backlight invertor is faulty. Two, but realy rare, one of the CCFL lamps went bad. no it only flashes green like once or twice... and its
...bad CCFL lamp, part #RLMPLA029WJN1, inside the LCD panel or maybe a bad power supply inverter board, part # RUNTKA448WJQZ. Both are easy to check and replace yourself. You will have to take the tv ...
bad CCFL tube, unless it's making enough electronic noise to interfere with the LCD driver chips (that would be very unusual; generally the CCFL inverter would go into shutdown first). It could be you
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