Re: TC-P50G20 Panasonic 50" Plasma 4 blinks / 10 blinks
I tested Q661; G-E was about 21 ohms, E-C was a short, G-C was about 21 ohms. Tested a couple other IGBTs, some has similar results with a shorted E-C. Reading through the other forums I see a few other people with this result and it sounds like that is the problem, am I understanding that correctly?
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Re: TC-P50G20 Panasonic 50" Plasma 4 blinks / 10 blinks
I did read through the rest of the thread but because I had never gotten the 6, 7, or 8 blinks with the SC20 unplugged I didn't think it was the same issue I was having, I was unaware the SC2 also needed to be unplugged. I will check again tonight with both disconnected to see if I get the 7 blinks.
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Re: TC-P50G20 Panasonic 50" Plasma 4 blinks / 10 blinks
Can you give me any insight on why you would expect it to be the SC board? I see SC is listed as the 1st most common problem for both 4 and 10 flashes but during troubleshooting it had me disconnect the SC20 connection and turn the power on, the blink code stayed at 4 or 10 rather than changing to 6 which led to replacing the SC board or possibly issues with the SD or SU boards.
I can do the SD and SU checks easy enough but I hate to spend more money on another board without something pointing towards that...
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Re: TC-P50G20 Panasonic 50" Plasma 4 blinks / 10 blinks
I have a similar problem with a TC-P50G20, was watching it one day and heard a pop and the TV was no longer on. After unplugging it and plugging it back in a got a blink code which I don't remember but at the time I had googled it and found bad power supply. I opened the TV up and couldn't see anything obvious.
A coworker got me the Panasonic repair manual and I followed that, initially I got 4 blinks and when I followed the troubleshooting came up with replacing the P board. I purchased one from ebay and...
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