Proscan 32LA30Q Television "mainboard turns" Questions

lcd tv willnot turn on ''my vizio vxw20l will not turn on power led red but willnot turn on'' mainboard damaged. replace the mainboard and that should solve your problem.

...me know if you find anything out. did you open the tv and check the power supply for bulging caps? mainboard tested with different mainboard powered up i still haven't found whats wrong mainboard

...doesn't stay at that level when turned off. The next time I turn it on, it blasts sound again. your mainboards memmory is failing you will need a new mainboard very common problem on that model set ...

...turns off after tv is started sound only for one second on sony bravia Hi my name is Roety, I can help you with your issue , Without a model number, I do work on sony LCDs. The audio is on the ...

...turns on but no picture, i was watching t.v when all of a sudden it turned off on its own, i turned it back on and nothing, i have no control of the tv except for on and off. vizio 47" lcd, made in ...

...it only shows no signal. Just replace the inverter board..that's it. u have a defective mainboard , try changing the eeprom if this doesnt fix ur tv change the ...

...and then just tried to turn it on this evening and nothing - no picture no sound. u have a bad mainboard or power supply board most likely the ...

no picture tv sreen lights up half when you turn it on then goes black. voice is fine sounds like the mainboard is damaged. replace the mainboard and that should solve your problem.

lg 50pg20 blinks red and blue and doesn't turn on what could be the problem and how can I fix it? replace your mainboard or power supply board i would try the mainboard first

...turns on blue screen appears as normal and it goes back to stand-by mode immidiately in 1 second. I suspected from the backlight inverter board and replaced it. Also I checked the ccfls but each one ...