Oh. It's Great. Never show it to anybody!!!!!
SOURCE: My plasma TV turns itself off and there's nothing I can do to get it come back on...
This is going to sound stupid, but I have a 42" Philips plasma that'd been having the same problem lately. Eventually, I checked the power cord--have you ever noticed that the cord just hangs straight down from the bottom of the set? My guess is that over time, it slowly gets loosened by gravity, just a bit, so you get a fluttery power connection. Anyway, it didn't feel loose, but I pushed the power cord in as hard as I could, and I haven't had a problem since.
SOURCE: Phillips Plasma 42" TV
It is most likely a power supply failure and if there had been no signs of problems in the video display, it is probably the main power supply rather than one dedicated to the plasma display itself.
You might leave it unplugged overnight to give any stored charge inside the unit a chance to bleed off, the remove the back panel.
The primary supply is normally on a separate board and is characterized by having mostly larger components, including one or more transformers with black ferrite cores.
The main supply will be associated closer to the AC input while the high voltage supply which may or may not be separate is not.
If you can locate the board with some confidence, check it visually for any signs of heat such as discoloration of board or components.
If it seems OK it may be a candidate for exchange or repair by Philips.
I wouldn't advise removing and sending it before you talk to Philips to see if this is a familiar problem to them.
SOURCE: I can't get my tv to turn on... nothing but blinking red light
Thats nots it its bad caps.....
need to replace 3300uf 10V with 3300uf 16v or higher. A couple of bucks in parts and some soldering.
Fixed both of my 50" sets
SOURCE: Black screen on HP PL4260N 42? Plasma HDTV
The problem is the "Y-SUS" board. It is inside the set on the left side with several aluminum heat sinks, under the left side brace bar. You can order this board from Union Electronics at www.ued.com .Search for part number: TNPA3243AB-PA
It lists for about 115$
SOURCE: green light turns red and red light blinks 4 times
Replace the Main Power Supply inside the TV.
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