Re: LG 50PT350 bad lower y buffer



Ahh good to know. Im assuming the same would apply if your board is pooched.
Ill re-measure once the new board comes in hopefully that resolves the issue...

Re: LG 50PT350 bad lower y buffer

Hey guys, so i replaced the Ysus board...the issues still persist (still waiting on a lower buffer).
However i tried to measure the VSC Vy and im not getting any readings.... I have it set to DC v...but i get no reading when i measure across the resistor for either the vy and vsc on the Ysus

Am i just measuring it wrong?

Re: LG 50PT350 bad lower y buffer

anyone?

Hello everyone,
Recently received an older lg plasma for free to fix.
Symptoms - no picture but i have sound. I hear the click of the relay, and the hum from the ysus.

What i've tried - i remove the ysus buffers one by one, when i removed the lower buffer i get picture on the top half of the screen. Removing the top buffer and leaving the bottom still gives me a black screen.
i tested the va/vs at the psu and they're within spec as outlined by the sticker.
I tested the lower buffer checking continuity between the white connector - see attached pics - on the...

Re: New Members - please post your introductions here

hey guys from canada here, hopefully i can learn some usefull stuff thank you