Re: 65" rca backlight issue

Sorry here is what I found
Power in: 120 v
Com 2 pin 1: 0v
Pin 2: 0v
Pin 3: 0v
Pin 4: 0v
Pin 5: 21.5 v
Pin 6: 12.5 v
Pin 7: 0v
Pin 8: 12.5v
Pin 9: 0v
Pin10: 12.5v
Pin11: 0v
Pin12: 5v
Pin13: 5v
Pin14: 5v
Pin15: 4.5v
Pin16: 5v
Pin17: 4.5v
Pin18: 3.25v

Com 5
4.7v right and left
Main board
Main power
Pin 1: 12.5
2: 3.25
3: 5
4: 5
5: 5
6: 5...

Re: 65" rca backlight issue




Will get pics tomorrow after work thank you for your response...

Re: 65" rca backlight issue



Original main board is in just used a donor to see what it would do and stumbled on to solution for original problem of blinking stand by...

picked up a RCA 65g55r120q that had stand by but no power up had 2.7 to main board and blinking red so i figured it would be main board. I wasn't too excited about the $125 price tag on a new main board so i decided to wait. I found a donor tv that had a different number I decided to see if it would work i noticed that the plug on the main board that goes to frc board wasnt the same so i left it off i noticed the standby light was no longer blinking and would turn off when power button was pressed. I noticed that if i left that same set of wires unplugged from my original main board that the blinking...

Re: New Members - please post your introductions here

just picked up hobby of repairing tvs

Re: RCA led42c45rq no picture, unable to turn off

looks like a lot of backlight issues with rca