So is an update here I did test all the LED back light strips and they are all functioning properly not one burned out bulb all 60 are good. Still get the same thing put the power board back in in the motherboard back in and I get a bright flash and that's it during power up and a bright flash during power off I don't know what happened it was working like I said I watched the TV for 3 days after we play some one strip and then after third day it went out so I bought a whole new set put them in and it worked for like 10 minutes and then it went out and now everything's working fine everything's...

So I'm having the same issue as everybody else only a little bit different I have not read anybody having the same problem as me in this form yet. So I'm power up on both the backlight output + I Spike around 173 and then drop down to 89.9 on both drivers. On the DC- circuit on one side it spikes around 13 and drops to 6 and stay steady there the other side is reading 60 volts at all times. Why am I getting 60 volts on the negative I just put in eight brand new strings. The problem I'm having is aside from it flashing when the screen comes on and going right back off is when I replace the lights...

Hi my name is David and I am new to the forum world. I have worked in the automotive industry for 25 years and just recently started playing around with electronics. Household electronics that is. My main job in the automotive industry was electrical engineering, computer-controlled systems and subsystems. Automotive however is much different from TVs and stereos and amplifiers. You don't see large transistors or resistors or capacitors that you can remove and solder new ones in, no most of the components on an ECM or PCM are nano components. I have successfully repaired and sold about 10 free...