Question about Sony KP-53XBR45 53" Rear Projection Television

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Tv wont turn on the timer/standby light lickers

TV was working fine until today I got home turned the power on and it had no video or audio only the red timer/standby light was flickering. I hear a clicking sound when I turn it on but nothing happens. I took the tv off the surge protector and pluged it in directly but no change. I dont really know what the situation is and it had not done this before it had turned off by itseld before but you could turn it on no problem.

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  • kreig Nov 11, 2007

    same problem as the other. led red light turns on and off but no sound or picture. Power supply maybe ?

  • Anonymous Apr 19, 2009

    standby light flickers but no picture or sound

  • gbrodt62 May 04, 2009

    Will ot turn on, hear cilck then nothing.

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Open up the tv. On the boards that have connectors, de-attach all of them, one by one. Use a can of "duster" to clean out each receptical, then re-attach each piece. Do this to each and every connector on the boards inside. This should solve the problem.

Posted on Dec 22, 2007

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Posted on Jan 02, 2017

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I have a LG LED TV 55LS4500UD that no longer works after a storm. It won't turn on and no standby light. I have pics of the circuit boards. I would like to know which board to replace?


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*NOTE* LG & Vizio TVs must be plugged in for 5 minutes before it will turn on*
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Tv problems lg and vizeo


Power Issues Troubleshooting
*NOTE* LG & Vizio TVs must be plugged in for 5 minutes before it will turn on*
1. Inspect ALL Ribbons and connectors. Any tears or bad connections between boards must be replaced FIRST
2. If you have any of these boards, it should be the first board to be replaced
A) T-Con Board - Video Problems (No Video with standby light on, audio but no video, grainy, distorted, or color problems in screen)
B) X or Y Buffer Board (Plasma TVs only) - Standby light is on but no power
C) Backlight Inverter / LED Driver - No Video with standby light on
3. Main Video Board
- Standby light is on but no power
- Either video or audio does not work (if no T-Con in TV. If audio but no video it is T-Con)
4. Power Board - No power AND standby light does NOT turn on. If standby light is on try other boards above
5. Panel - No power, distorted picture, lines, slow motion, half screen, faded in / out. Panel problems are usually not worth replacing the panel.

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