Re: Panasonic TH-L42D25A checking the PSU output voltage

Thanks! I will focus on the 12V output.

Hi Everyone, I am new to this forum. I have a Panasonic LED TV which doesnt turn on and is blinking 4 times repeatedly when I turn on the switch. The TV does not respond to the remote control so I had to turn on using the physical switch on the side of the TV. When I turn on the switch the 4 x blinking starts and repeat itself until I turn off the TV. There is a black screen. I turned off the light in the room to check the panel and I think there is no backlight as far as I can tell.

I have been inspecting and testing the capacitors and diodes in the power supply board to try to...

Re: New Members - please post your introductions here

Hello everyone, I have just joined this forum. I am just starting to learn electronics as I am trying to find out what is wrong with my LED TV power supply board or at least that is what I believe the problem is. I have read up on capacitors, diodes and resistors etc. and have been checking them on the PS board but with no luck. Sometimes, I discovered some components are not completely non-responsive to DMM readings and I desoldered them out to check for sure, and then to find out that their readings are okay once out of the...