My tv is on but the screen is black except for spuratic flashes

My advice is take it to a television repairer. It is far cheaper in the long run. Fixya is full of people who have bought every board off eBay and still don't have a television that works. Correct diagnosis is the key plus experience of that particular make or model. The course to be a television engineer is 2 years full time college course.

LG 60PZ550 Plasma - No Sound, No Picture - Badcaps Forums ...

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Sep 15, 2013 - 20 posts - ‎4 authors
LG 60PZ550 Plasma - No Sound, No Picture Troubleshooting TVs and Video Sources. ... I see no change in the screen at any point (no glow). With the rear cover ... I've worked with some electronics in the past, but am new to TV's. I'm sure .... Multimeter on DC 1000V, red on (+) marked, black on (-) marked. Lg 3d plasma 60pz550 i've got sound but no picture
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It will be best to contact any service technician in this case. Gopakumar Gopalan Google

Tv making and have clicking sounds as tv shutdown as lights flashes?Yes.The board that call the Ballast board might be dying and dead soon.This Ballast board job responsible only are to ingnite the tv projection lamp only.

My Toshiba dlp 62hm116 was used for 3 months then stored for 2 years, I turned it on yesterday and it makes a loud grinding noise which I think is probably from the exhaust fan area and the picture is black except white at both vertical sides. It worked fine the last time I used it 2 years ago. Any ideas?

We have a PT-50LC14. We replaced the lamp 6 months ago with a TY-LA1000 bulb we bought from a company online (not directly from Panasonic) and it worked for 6 months. Then the TV started turning off on it's own...sometimes it would not come back on for an hour or so. We called the lamp company and we luckily had 1 day left on our 6 month warranty!! They sent us a replacement bulb and the TV would never power on. It would try to power up, but the bulb would never ignite. The power light would flash and then the lamp light would flash every 5 seconds. I had a friend that has the same type of TV and she ordered her bulb directly from Panasonic. I borrowed her lamp and it powered right up. We then called the online company and they sent us yet another replacement bulb, and I tried it today and it works. It seems like these TVs are very particular about the type of bulb used. Next time, we will be ordering ours directly from Panasonic and just paying the extra $100. We have been without our big screen for 2 very long months! I had called a local tv repair shop, called Panasonic directly, and read through countless internet forums, and I thought we were going to have to replace the ballast or get a ballast repair kit and start messing with the circuit board.

sound like a DM or FMT board failure. this is not the 4 cap blinking green light problem. check out
www.tv-techs.com

If its not the bulb, I have the same problem

I had the same exact problem.
I removed the bulb and cleaned it. There is a small screen at the top of the bulb and it was covered with dust. Once it was cleaned I replaced the bulb and it solved the problem.
Thanks to those who posted the solutions

Assuming you've already checked your driver and system settings, tried a different monitor, and checked the cable and connector pins, this would almost certainly be a problem with the power or signal circuit board inside the monitor.