I have an LG Plasma 50PK750UA. It will turn on, the screen attempts to light up but faintly and then turns to a very light gray. No other functions work. The blue power light flashes when various remote keys are pressed.
One of the most likely causes is a bad main board. If this went out during or shortly after a thunder storm the main board was probably damaged. You also could have a bad Y-sus board or a bad X-sus board causing the same symptom but these are not as prone to being damaged by a power surge.
I’m happy to help further over the phone at https://www.6ya.com/expert/dewayne_4a10eab6caecdb92
That sounds very possible, we have had a lot of lightning lately. I'll order a new board. Thank you
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SOURCE: Panasonic Viera TH-42PV7HS Plasma keeps shutting down
Hi to all, My 42" Panasonic plasma have the same problem. It turned itself off and now red light flashes 7 times, than after short pause 7 times again. And so on. Any ideas what is wrong??
SOURCE: LG 42 plasma power problem
needs power supply Part number 6709900023A
it is a 171 dollar part, you should be able to order through LG,
SOURCE: SSP-R4232 Plasma TV, blue light on, but tv wont turn on.
At this point it appears that your main board is probably bad. You most likely have a 5 volt scource going to the main board but its not powering up the set. The main board is part number BN94-00796A.
You might want to have a technician look at the TV to verify this as the issue before purchasing it. Please take a few moments to rate my answer. Thank you.
Testimonial: "I was extremely grateful to have a response in such a short amount of time, as soon as I replace the part that was suggested as bad to me, Ill post."
SOURCE: I have an LG plasma TV, model: 50PC1DRA. We had a
Defective power board. Maybe best to call local service man.
SOURCE: I have a lexsor plasma tv, blue power on tv but no
I have lexsor LCD 32" sound is on no picture,have had to wait for 1 hour for picture to come on ,now nothing?...
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