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The first place to be checked will be the power supply board look for bulging electrolytic capacitor. if no bad cap check shorted component at the inverter board of the screen back light.
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Hello Three blinks of standby light to Sony TVs indicates that the regulated voltage output from power regulator board is above thatn normal. The problem is with its power supply regulator board. Replace all the electrolytic cpacitors on that board with new ones. Replace all of them including small and large ones, at one time. OK.
When I called a tv repair company the rep said this usually indicates that the "lamp" for this model needs to be replaced. Since he TV is so heavy he suggested that I access the trap door in back of the console and detach the "lamp" myself and bring the lamp to his shop for replacement. Approximate cost for the lamp is $200.00. Wish me luck.
Make sure the AC cord is not loose or disconnected. Check to ensure the cord is firmly plugged into the outlet at one end, and firmly connected to your television at the other end. The AC cord connects to the television about midway across the back of the set, near the bottom of the back panel. The hole for the AC connection is shaped like a figure eight. Try powering up the TV with the cords firmly connected.
Check the "Main Power" to ensure it is on. Locate the button on the top of the television among the "Volume" and "Channel" buttons. Press the button to switch the television on. If the "Main Power" button is off the remote will not turn on the television. Wait to see if pressing "Main Power" will activate the TV.
Press "TV Power" on the remote control to power up the TV from stand-by mode. If the power light on the front of the television glows red when you press "TV Power" on the remote, press the "Main Power" button on top of the television to remove the TV from stand-by. If the TV is accidentally in stand-by mode it may not come on when pressing certain buttons.
Check the circuit board. If your set still won't turn on and you hear a clicking noise when you plug it in, you most likely have a defective circuit board.
Ur tv power supply board it defective,it have dead parts call capacitors.U know basic electronnic's and soldering?Take ur tv aparts,where the a/c power cord go into it.That ur power supply board,searches all around the power supply board and it supporting boards.Look for these dead gases leakage capacitors,they all have bulges on it top or puff up on it top.Replaced these dead gases lekages capacitors,will get ur tv power back,stable and work.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
Hi i have a pilips 42" plasma tv (42PF5320/79) i can hear clicking the green light is on and the tv will go into stand by if i press the power button and the red light also comes on .I have turned it on and off and it works now nothing just the light on the front as if its working looking at the back through the slots two green lights come on then the tv clicks and they turn off,thanks
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