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Power Board Is Bad

Power Light Comes On I Hear A Click And Out The Light Goes

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What is the brand name and model number to your tV? It sounds that the main power regulator board has been damaged. Provide more details please.

Posted on Jan 08, 2013

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6ya6ya
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Posted on Jan 02, 2017

tvtechnician
  • 105 Answers

SOURCE: philips 42pf9956/37

when the light goes red it should be blinking a two digit code and repeat itself continuosly. slow blinks are the first digit and fast blinks are the second digit

Posted on Oct 12, 2007

welcomejee
  • 10594 Answers

SOURCE: screen went black no sound no picture when i turn

How many times red light blinks? It is error code of problem in TV.
There would be pause of 3 seconds between blinks so count from pause to pause and let me know to find out solution.

Posted on Aug 14, 2009

  • 8457 Answers

SOURCE: when power button is pressed,click,click,click

Check all the capaciotors in the power supply board for bulges up or little puffs up.Change these capacitors will get ur power back to normal funsctions.

Posted on Apr 24, 2010

  • 33 Answers

SOURCE: I have a Hitachi P50H401 plasma TV ,when you hit

unplug the unit for a while like one hour or so.

Posted on Sep 03, 2010

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SOURCE: Westinghouse 32 lcd tv - no picture no sound - set

Reset the tv and the cable or satalite boxes,replug it back an hour later let the tv reset it self back to factory setting and the boxes upgrade it software.The tv should work now.Not,than yes.It the Tuner main board.

Posted on Sep 17, 2010

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My JVC TV wont turn on, the blue LD at the front of the TV comes on, when i press the power button the blue LED goes off and i hear a click on the TV but it wont turn on.


Look at the power supply board, look for capacitors ( look like black or brown cans) that have their silver tops bulging. There is a cross on the top designed to open in a failure so the capacitor doesn't pop. Even if the top is still closed, the slightest bulge indicates a failure. Unsolder all bulging capacitors and replace with same spec. For instance, in a bad Samsung there are 4 1000mf 25v 105C rated caps that always go bad, same symptoms. The caps are about $3-4/pc in USA.

Dec 04, 2014 | JVC LT-40X667 40 in. LCD Television

1 Answer

42HDS69 On off switch won't work sometimes


The clicks are coming from a mechanical relay in the standby supply for voltage---the standby power supply runs 7/24 if set is plugged into power.

What I would do if you are able is open set and on power board (power cord goes to it) look for and replace any filter caps that are puffed up there--the relay is possible but rarely bad in this way unless a solder connection under it is bad.

If caps are good you have a connection or bad part near the relay that likely is causing this problem.

Look closely at filter caps in power supply:



12_19_2012_5_21_15_pm.jpg12_19_2012_5_21_40_pm.jpg


even one that is slightly puffed up can cause this, if find that and need to know what and how let me know.

Dec 19, 2012 | Hitachi Televison & Video

1 Answer

Turn on set, green light comes on then hear click and red light appears. changed out lamp, tv still wont come on. Power supply?


Make sure all fans are running,defective Fan can cause this,also Ballast board is what powers Lamp on. If ballast is bad Lamp will not light.

May 31, 2011 | Mitsubishi WD-65733 65" HDTV

1 Answer

My mitsubishi 55" will not turn on... when I press


Hi:

The most common failure for this model is the deflection board assembly or commonly known as a Large Signal board. The unit is going into shutdown, mode because no high voltage. Unless you are strongly electronically inclined I suggest you try to replace the deflection board.

Nov 10, 2010 | Mitsubishi WS-55315 55" Rear Projection...

3 Answers

I have a 37" Philips (37PF9431D/37) flat panel tv. It won't power on. When you plug it in you can hear a click the green light stays on for a few seconds then goes out. I've checked the power board for bad...


i am having the same problem. My Phillips 37" 37PF9431D/37I LCD High Definition TV won;t turn on. When I press the power button i hear a click and the green light comes on for a couple of seconds and then the red light appears. I can;t figure it out. Did you find a solution?

May 20, 2010 | Philips 37PF7320A 37 in. HD-Ready LCD...

2 Answers

Power Issue


Now,u plug in the tv u get a solid red standby power red LED light in the front of the LCD panel right?When u push the power button on the remote u hear a clicking sound?Only one clicking sound,not the power supply board problems.It the Tuner board problems.But u can make sure it the power board problems or not.By taking the tv aparts check the power board,that board where the a/c power cord goes into it.Look all around the power supply board check for these leakage capacitors,they alway bulges up it top or puff up it top.No bad leakage capacitors,then it not the power supply board problems.

May 14, 2010 | Haier HLH406BB 40 in. LCD HDTV

1 Answer

Pinstripe cinema display flickers on momentarily then goes black. Image comes back for a split second while when power light glows steadily then goes away while power light flickers. this is a 22"...


when the screen is black and the power light is steadly lit, shine a flash light at the screen. if you can see something, the inverter board is bad and the back light cannot turn on. if the power light flickers, reseat the power plug and put your ear to the back of the monitor where the power plug is. if you hear a buzzing or any high pitched noises; the power supply is bad. use the macufactures warranty for repairs.

Nov 18, 2009 | Computers & Internet

1 Answer

Power light comes on then goes off will not stay on


they r known 4 shady processer boards not hard to solve call pts electronics give model #will send u new board around 120$ not diffucult to instal must discharge cicutrt then ground install new board or may short micr precesses

Jul 25, 2009 | Hitachi 51F510 51" Rear Projection...

1 Answer

KV36XBR450 Sony


There are two identical IC's I think they are 18 pin more or less about half way up the board on the left side in the power supply. You will know them when you see them. They may be bad. It is a common problem on that model. If this helps let me know.

Oct 15, 2008 | Televison & Video

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