My Plasma TV is powered on and in stand-by mode (LED is red). When I use the remote or the front panel power switch to turn on the video, the LED turns green for less than a second, then goes back to red (back to stand-by). It may come on after trying the switch 25-50 times. Other times, I've had success by unplugging the TV for 2-5 seconds (waiting until I hear a click), then plugging the TV back in and it will turn on.
Hi could be bad capacitors in the psu board,thanks
shaun
SOURCE: LG 50 IN. PLASMA TV MODEL # 50PC1DR . POWER
Power supply board is dead,replaced the power supply board will get power.
SOURCE: TV will not turn on. Power indicator light is red
You either have the power supply module or back lights inverter board problem, need to narrow it down.
Please see my basic troubleshooting guide here:
http://s807.photobucket.com/home/budm/allalbums
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
Parts: try www.shopjimmy.com or Ebay
SOURCE: I have a 50" Philips
Most likely the power supply capacitors are going bad.
Opening the TV and replacing any swollen caps may solve your issue.
Thanks
Roety
I’m happy to help further over the phone at https://www.6ya.com/expert/eric_ab7c09ec01841771
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