My 50 inch plasma tv is making a clicking noise and will not turn on. I have waited a few moments and the clicking noise stopped. TV still not coming on. Any idea what is going on

SOURCE: 42 inch LG Plasma TV - Lost picture

try connecting tv to cable direct also try unplugging both converter and tv for wile like 5 mins plug both back in see if tv and converter sync

SOURCE: 42 inch plasma wont turn on

yes same here

SOURCE: Philips 50 Inch Plasma Model 50PF7320A/37 will not turn on

Commonly it's going to be a power supply related problem. The two boards that need to be looked at is the Main Power Supply Board or the power supply board for the screen. The one that powers the screen, some manufactures call it a Backlight Inverter Board.
If you have some electronic experience, you can sometimes find a Service Manual for the TV over the internet for less than $20. It will have the all resource material for repairing your TV model. It's just the matter of replacing the bad part on the circuit board.

SOURCE: 50 inch Sanyo Vizon Plasma TV. Has sound but no

This set has LG insides, it will have failed on either the Y-Sustain PCB or the Z-Sustain PCB.

Quite common.

Repair estimates should be $250 - £350 depending on which has failed.

Stick it on eBay, it will fetch good money faulty.

Testimonial: "Thank you for your response. We were driving ourselves nuts - fuzes checked out fine and not other guess where to turn. We appreciate your help!"

SOURCE: my 50 inch samsung plasma tv turns off and on by

power supply needs to be replaced. common problem.