LG 42PJ350 panel death ?

[zwarder]

Hi initially suspected Va & Vs being low but they do come back up to very near spec.
The screen looks pixelated & blotchy any ideas?

[Biruslapio]

Re: LG 42PJ350 panel death ?

check z-sus for shorted transistors and open resistors.

[zwarder]

Re: LG 42PJ350 panel death ?

Well it was R279 a 2.2 ohm resistor dead no connection
Resoldered the 2 large coils & igbts etc for good measure.

Good picture restored.

[tvtimmy]

Re: LG 42PJ350 panel death ?

Great job! Very useful information.