Hi, My plasma clicked and the screen went blank last week. The unit powers up showing a green light next to the on button and the unit while go to standby and back into power on mode using the remote.
The screen is a Daewoo DP42 SP and is approx 4 years old.
I hope someone can help and point me in the right direction
Hi if u open the unit up the center board is the psu unit on the top left there is a sticker which has the correct voltage for x and z board on the top part these is test point which should have the correct voltage if it does not disconnect the x/z which ever is pulling it down that way u will know which board needs replacing
please note this should be carried out by a proffesional unles u know what u are doing
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Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
I had the same thing happen a few weeks ago to my zenith 50" plasma tv. I tried to turn it back on with the remote and the power button on the set but the only thing that happened was the led would flash green 3 times and then go back to red. I took it to a repair shop and they called yesterday to tell me it was going to cost $700 to fix it by replacing the power supply. No guarantees either that it will last any longer than the 3 years I've had it for either. But it's still cheaper than replacing it with a new "bigger" tv which is what I will eventually do anyway. I've heard of people looking on ebay for repair parts and doing the repairs themselves but there is no warranty on human error...
It could be a few components like the tuner or the component that processes the still images to display on the plasma screen, I forget the technical name for it.
Either way you look at it, a part has clearly blown and there's no quick fix. You'll need a professional to take a look inside it to determine what's wrong with it. However, if you're confident enough to open it up, you'll most likely see burn marks where a component has burnt out.
Mind, if you open it up, not only are you putting yourself in high danger, but you'll void your warranty if you still have it left.
If you do in fact still have warranty, my only recommendation to you would be to return it under warranty.
Hi Gemma - have a look at this forum - it may be similar to what you are experiencing.
Things don't look good for NEC owners I must say!