Our Phillips brand flat screen plasma tv will not turn on the light is blue but you can just hear a clicking that just continues to click. Once in a while it just turn on....

SOURCE: Phillips Plasma - Model #42PF7320A/37 - 3 flashing red lights

it sounds like you could have a signal board problem they are pretty expensive but there is a web site that sells refurbed parts

SOURCE: Phillips TV clicking sound, then cuts off

The problem of that is a loose solder on the board..

SOURCE: Phillips Flat TV Model 20pf4121\105 (Flashing green led)

electrolitic capacitors 1000mf /10 v in pover unit

electronic & computer repair& servicre

• 12061 Answers
• Posted on Mar 15, 2010

SOURCE: philips-plasma-tv-wont-turn-on-all-i-get-is-a-clic...

OK this is a classic switchmode power supply problem There is a fault either IN the SMPSU, OR in another part of the set, usually a short circuit. The PS, is "Shutting Down" for safety reasons, so as to avoid a possible fire, explosion etc. You really need to have this looked at by a qualified person. before you get any work done, always ensure you get a firm "Quote" before proceeding. This is very common.

AAA TV Service

• 272 Answers
• Posted on Nov 03, 2010

SOURCE: My Philips flat screen tv

It could be a power supply problem. In this model at least 2 capacitors, go bad in the power supply I think they're 1000uf/10V. If you look at the power supply board you will notice a bad cap with a blister on the top. The whole power board is from $100 - $200. I fixed a lot of these sometime the Y or sustain board goes bad. Visual inspection then measuring voltages..
Best of luck
Nour Sabre