Question about LG 42PC3DC 42 in. Plasma HDTV

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Tv Power The tv will not stay on. You can here a relay clicking on and off. But will not staw on.

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It sounds like the backlight fluorescent bulb is burned out.

Posted on Oct 26, 2008

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2 Answers

Samsung TV shutting off by itself and relays clicking


If you don't know what you're doing, don't open it up to fix it!
There are HAZARDOUS voltages on the power supply board EVEN WITH THE TV UNPLUGGED!!! The capacitors can hold a charge for several weeks!

Clicking noise can be coming from bad capacitors on the power supply board.



It's usually easier to just replace the power supply board.

Sep 09, 2016 | Samsung UN55B8500 TV

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Philips 42PFL5603D/10 relay clicking


Relay is on or connected to power supply--if clicks on and then off something (most likely on power board or something it feeds) is bad.

Some voltages from standby portion of power supply can be tested but since no paper schematics for this brand it will be hard.

Jun 11, 2012 | Televison & Video

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TV KEEPS CLICKING.ACTS LIKE CUTS ON AND OFF REPEATLY


Check for leaky capacitor in the switching relay area

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1 Answer

No picture on my philips 42PF7321D/37


Bad caps in the power supply must be replaced .

Jul 21, 2009 | Philips 42PF7320A 42 in. Plasma HDTV

3 Answers

The tv not stay on.You can here a relay clicking on and off.But will not staw on.


Check these things

!.power supply
2.inverter both master and slave

First start and the power supply then the inverter, if under warrenty take it back, if not and your still in doubt call the manufacture for the best repair option, Thanks

Jun 26, 2009 | LG 42PC3DC 42 in. Plasma HDTV

1 Answer

Toshiba Color TV Relay clicks slowly. TV does not come ON.


Electrolitic Capasitors in the power supply going or being bad will cause this. At some point a low value resister also will start to run hot or burn up. I believe it it a 16v 1500 uf cap near the relay. I would also replace any 10uf 160v caps in the powersupply too.
Hope this Helps,
Skyassoc

Jun 17, 2009 | Televison & Video

1 Answer

Turns on but wont stay on


your start relay in the power supply has burned points and, loses it's connection shutting down your TV turn on the tv with the back off and, listen for the relay click to find it; then replace the relay

Jun 01, 2009 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Startup Problem with my 42pf7321d/37 Phillips plasma TV


I need to know how long do you have the tv?In the other word,approx. how many hours you have put into it?
Secondly,did you wall mounted the tv or setting it close the the area which there is not much room for the back of your tv to breath?
solutiondoct

Nov 06, 2008 | Televison & Video

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