Question Lg Oled 65cx burn pcb board

[Qalexander1]

Hi my lg oled 65cx no red light
Replace the pcb and after an hour same thing no output voltage from pcb. That happens after done firmware update few days ago any possible causes and solutions . Thank you

 

[helpstar]

maybe wrong or faulty firmware
which update version did you install?

 

[Qalexander1]

Hi it’s 04.40.76

 

[helpstar]

which exact LG Oled 65cx model is it?
1st search got me the versions 04.41.40 and 04.41.35, so might be the wrong or outdated firmware
https://www.lg.com/de/support/software-firmware?csSalesCode=OLED65CX9LA.AEUD