I have a big 4" spot on my rca 27" lcd tv. It started in the upper right corner & moved to the middle of the right side now. What could cause this & anyway to fix it? The tv is a little over 1 year old & cost $1600.00!
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one of the floresant bulbs has fail there is a place in Haverhill Ma called Tops Electronics that can fix you up really quick but you will have to ship it to them they do good work there
their new name is pinnacle solutions group over 30 year serviceing
You really need to be persistent. I went on the Panasonic customer support webseite and started a web exchange. The first two attempts ended with "call your local authorized service tech" , etc. The third time, I described the prolem again and asked if the authorized tech would have the tool to fix the eprom if that was the cause of the problem. They finally gave me a name for their scheduling department and said they would pay for the diagnosis. I was pretty happy about that, but even happier when they said that this was a known problem and they would pay for the repair as well. They scheduled a service call. The techs came and fixed the eprom error with their tool within 1/2 hour. That was about 5 weeks ago, and all looks good so far.
The picture tube has become magnetized, possibly by someone getting a
magnet to close to it. You can de-magnetize it using a strong magnet
(cow magnet or similar). Place the magnet as close the the screen as
possible without touching it to the screen. Starting at the middle of
the screen and slowly (not too slow, about one full circle per second
should do) move the magnet in a circular motion. With each full circle
move the magent twards the outside (making a larger circle) as well as
moving it farther away from the screen. Using a magnet will not harm
the screen, so play with it and you'll soon get the feel and will see
what you need to do.
Tv's have a circuit built in to 'Degauss' (demagnetize) the screen each
time you turn it on, but this will only work if the set is 'Cold'. If
the set is left off for 2 hours (to cool doen) and does not demagnetize
when you turn it on the circuit is faulty.
Hi--Bought my panasonic pt-52lcx65 on sale for $2200 in 8/05. Replaced the lamp for about $300 in 1/08, just prior to Superbowl. Admittedly, this was to be expected after family members watched lots of tv over 30 months. However, two months later the blue spot emerged in 3/08, and red spot emerged 5/08. Set looks decorated by a Andy Warhol or Van Gogh wannabe. I'm looking for a fix it solution. Dr. Bob Heiliger, Lebanon, OH.
Intermittent loss of lower frequency channels ie Ch:36, higher channels ok
Dry joints in UHF tuner, resolder the PCB to casing earth connections inside tuner
Channel reception lost if tuner socket moved
Dry joints on IC522, IC521 and IC541 (located in the big heatsink about middle of the main pcb)