Hello, hopefully someone with greater knowledge than myself can fix my tv problem.
Samsung Plasma - PN58C540G3FXZC
As like so many others on here, I turned my TV on one morning and saw a faint flash of white noise, like what you would see with no source connected to the antenna portion. However, it did not cover the entire screen and each time I would turn the tv on it would flash in a different area. Once it had flashed, seconds after turning it on the screen goes blank. I disconnected all sources except my BluRay player, as it was the most reliable and I could get audio.
I did the voltage readings as many have indicated and all look normal.
Va: 55
Vsc: -200
VS: 209
Ve: 90
However, once the flash occurred and the screen goes black, I would quickly lose the voltages on everything. After reading several threads I've realized this is a built in feature of the power board when it detects a short or problem.
After reading several different threads I concluded it was the Y Main. So I ordered the Y main and both Upper and Lower Buffers from Tvpartsguy.com. Once I got them, I replaced the boards and got the same results. I then went and ordered the X main and buffers, same results. I even ordered the logic board and got the same results.
After feeling depleted and thoroughly frustrated I came back on here and found the link for the fast track service manual and did the logic board and main board test.
I got the same results, a flash on the screen then black screen. Virtually the only board I have not replaced on this tv is the main board, instead of spending any more money I thought I would turn here for any additional help before doing anything further as I clearly can't figure this out on my own.
Thanks for listening, hope to hear from ya
Samsung Plasma - PN58C540G3FXZC
As like so many others on here, I turned my TV on one morning and saw a faint flash of white noise, like what you would see with no source connected to the antenna portion. However, it did not cover the entire screen and each time I would turn the tv on it would flash in a different area. Once it had flashed, seconds after turning it on the screen goes blank. I disconnected all sources except my BluRay player, as it was the most reliable and I could get audio.
I did the voltage readings as many have indicated and all look normal.
Va: 55
Vsc: -200
VS: 209
Ve: 90
However, once the flash occurred and the screen goes black, I would quickly lose the voltages on everything. After reading several threads I've realized this is a built in feature of the power board when it detects a short or problem.
After reading several different threads I concluded it was the Y Main. So I ordered the Y main and both Upper and Lower Buffers from Tvpartsguy.com. Once I got them, I replaced the boards and got the same results. I then went and ordered the X main and buffers, same results. I even ordered the logic board and got the same results.
After feeling depleted and thoroughly frustrated I came back on here and found the link for the fast track service manual and did the logic board and main board test.
I got the same results, a flash on the screen then black screen. Virtually the only board I have not replaced on this tv is the main board, instead of spending any more money I thought I would turn here for any additional help before doing anything further as I clearly can't figure this out on my own.
Thanks for listening, hope to hear from ya
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