Question about JVC LT-42X579 42 in. LCD TV

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Clicking tv TV keeps turning on and off it started after 10 to 20 mins now it just clicks contiouousley anybody got an idea of what is causing it many thanks.

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Need to exchange the Main Board.

Posted on Feb 06, 2009

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Power, I can hear the relay keep clicking every 2 second. will not power up.Any idea as to what can cause that?


Sounds like main board fault. Contact the authorized service center. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box and press "Enter".
http://electronicshelponline.blogspot.com/

Jun 17, 2014 | Sharp LC37SB24U 37 in. LCD TV

1 Answer

My 37" LCD takes ~ 15 min to sync and display an


Tv power supply board is this tv problems and causes 90-95% of the times.5% maybe it is the tv Tuner signal board,but very low possibility.The power supply board,that the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Feb 17, 2011 | Audiovox fpe 3207 32 in. LCD Television

1 Answer

When I try to turn on my Samsung LN-T4042H LCD HDTV it is now constantly clicking in a continuous loop and will not immediately turn on. It started out small- a few clicks yesterday morning. Today it...


There is a problem with the power supply in your TV. The regulator switch is causing teh clicking sound you hear. In order to fix it, you will need to replace the power supply. This is done by taking off the back cover of the TV, locating the power supply which is usually a yellow board that will have many high voltage capicators on it and replacing it with a new one.

Nov 06, 2009 | Samsung LN-T4042H 40 in. LCD HDTV

1 Answer

Tv clicks on and off for 1 min.. till it turns on


shut off your copier and let it rest for 10 mins.. and turn back on,


if it is still no good, call for repair!

Oct 22, 2009 | Vizio L32 32 in. LCD HDTV

1 Answer

Plasma will not turn on


i plug it back in and let it do its clicking and with in 2 min tv was working agian

Aug 01, 2009 | Samsung HP-R5072 50 in. Plasma HDTV

1 Answer

Clicking power supply? wont turn on


I had the Same issue. on a 50PF9431D/37 set. Many Plasma Set's use a LJ44-00118A PS-505-PH Power supply from Samsun. Know to have this common problem. If you can, or have a friend that can Solder components?. Unplug your set remove the back panel & locate your power supply. It will be the PCB in the center of the set just above the Video/Audio conections. http://www.shopjimmy.com/power-supply-unit-lj44-00118a-from-philips-50mf231d-40.htm. Link to a photo of the PCB. Make a note of the location of all cable connections then unplug them all. Un-install PCB, Check a Fuse first. I believe their is 5 or 6 of them on the PCB. Then replace the two 3300uf 10v 105C Radial capacitors at C8060 & C8059. The location of the caps are in the Lower bottom edge of the PCB. A local shop may Carrie them if not, digi-key has them. Part # http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=493-1754-ND. Total cost was $7 with S/H.

Jun 02, 2009 | Philips 32PF9964 32 in. Television

3 Answers

Power won't come on- constant clicking loop instead


My T.V. did the same thing and it was due to bad capacitors on the power supply board. the tops of the capacitors were bulged, once replaced it worked fine. It involves sodering in new capacitors total cost $30. that includes buying the sodering tool. Keep looking around on line someone had pictures step by step how to do it.

Mar 26, 2009 | Samsung LN-T4042H 40 in. LCD HDTV

1 Answer

When you turn 'on' the tv...the tv continuously 'clicks'


The clicking noise is caused by the relays on the power supply board trying to power up the system. Your TV has detected a problem that's causing the power supply to shutdown. Someone knowledgeable in electronics can track down the problem. The SOURCE of the problem could be another board other the power supply.

Mar 15, 2009 | Samsung 46 in. Flat-Panel LCD HDTV

2 Answers

42PF7320A/37


Hi again,

Did you try connecting the TV into a different power outlet?

Jun 07, 2008 | Flat Panel Televisions

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