Powers on but won't feed through to the tv - Sony Playstation 3 (PS3) Console

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Check its main power supply regulator section circuit for defects. Check and replace damaged component/s.

It has a fuse and if the power light comes on and blinks a specific code that would be a error code.

This set weighs close to two hundred pounds, follow the power cord inside the set as it goes almost directly to the fuse which should be a 6.3 amp fuse----careful if its bad, it is a slow blow and special, a Radio Shack or Generic one the same amperage and type will blow for no reason, if its bad don't keep feeding it fuses.

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There is a relay that latches a few seconds after each switch ON. It is normal, that the sound of the relay come out from the TV. If there is any fault either to main power regulator board, or with other boards which get feed from this power board has any shorted component/s, this relay won't latch up.
Your TV has some fault with its power supply regulator section. Just visit the site 'Electro-help'. Try this link and select the site. There are details about Plasma tV faults. Pull up older posts there.
Anyway, if power supply board is found faulty, it will be best to replace this board, as card basis, rather than making "surgery" to it; especially to Plasma TVs/

Yep, I can help but I am afraid that I won't be able to bring totally good news.

The TV is in forced standby also called "protection". Protection kicks in when an internal fault such as a short (big power draw) or a wrong voltage is detected. The click comes from a relay activated by the protection circuit to force TV to shut down.

All you can do is disconnecting the power cord, checking if there is a fuse built in the power cord, replacing fuse and connecting back after about 30 minutes (that allows power drain). If the TV does not work there are faulty internal parts that need replacement.

If now the TV does not start at all, and not even the standby light is on, then the problem is usually the PSU. The part must be tested and eventually replaced.

Here replacement parts for most flat panel TV models:ShopJimmy.

See also: PartStore

Regards.

Ginko.

The electrolytic caps need change out on the power supply or you can purchase a new remote at www.partstore.com

The tuner on the LG TV may be right on "the hairy edge" of being able to receive that signal. Therefore the processor won't acknowledge and display it. You may want to try the LG on one of the other antenna feeds were the TVs DO display that channel. You might want to try the LG with no other sets hooked up. You may have a problem with any of the following. - staple through a wire - cracked lead-in wire or damaged coax - problem with a distribution amp/splitter.

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Try using the HP Scan Diagnostic Utility in Windows - HP Customer Care (United States - English)

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Using the HP Network Diagnostic Utility in Windows - HP Customer Care (United States - English)

this is 2 ---110 volt power feed lines & a neutral ( ground ) 3 wires all together , a second redundent ground won't hurt -----the same power feed as a stove or dryer .make sure to use at least 10 -- 8 gauge stranded wire / check the product requirements ---thicker wire ( smaller gauge number ) for more amprage or loner distance...will also need two 15--30 amp circuit breakers///// check specs......