@@Jrer241067 hi Jason, does the panel light up with a full glow ? Ysus should have flashing led when working.

@@MrReeceyburger123 the panel blank and unlit. One of the boards (Y) or (X) has a solid green led lit,no blinking. The (Logic board) behind the stand (Sun Assembly) has two green leds lit,no blinking, when it was briefly working in the past I believe one of the green leds on the (Logic Board) flicked. The thing that is puzzling me is ? The original PWR Supply board was used in both PS42Q97HD and also the PS50Q97HD a tick was put on the relevant model designation on the board at the factory in that case (50) was ticked The replacement board has the only a (50) designation on the board and thus this is ticked at the factory. There are a few subtle differences. (1) it only has 1 what looks like a 4 pin rectangular audio chip on the heatsink,where as the old board had 2 2 there is also a 1transistor on this board where the other has 2 3 there appears to be only one ( looks like a capacitor) in a white rectangular case on this board,where the other has 2 The riveted holes on the pcb and holes in the heatsink are in exactly the same place on both boards but this (50) has those components absent. Could this be causing the issue, I could remove these from the old. Board and install them in the new board,( but wary) as to could this cause issues/shorts/ etc. The (Y) and (X) main when last tested seem to be missing the 207vac going to the white plugs with thick grey cables from the PWR Supply,yet going by the green led lit in one,it appears data is being fed down the white ribbon cable. So I’m in the situation where I’m trying to locate those 2 pesky bulbs on the Christmas Light set each year that have blown😂😂 and won’t work. The PWR supply definitely is working. The blue led under the (on/off) button responds to remote commands (as it blinks) the set turns back to (Standby)after 20 minutes inactivity. When turned on the two relays click on the PWR Supply board (Blue led) under the (on/off) button blinks 6 times then nothing. Hope that helps Jason

@@Jrer241067 you need the right power supply. Certain sub supplies can be different and vs va etc. See what the vsc voltage is running at and 15v on the Ysus first. And you need vs up and running for any image to be written. The set comes out of stand by and runs vs va with out the Ysus/xsus connected ?

@@MrReeceyburger123 thanks will check, and see if there is any PWR supplies exactly the same as old,as I was unsure due to the slight differences mentioned, small but could be the solution 👍👍

So progress on the Samsung(PS50Q97HD) is proving tricky!!!! The new PWR supply( identical) to the one fitted originally at the factory. I did the Precautionary re flowing of all joints capacitors,transistors ,voltage regulators ,small transistors NPN /PNP . Cleaned excess flux from board . Checked and inspected re-flowed join and components. Re-fitted board . I used a RCD extension to be safe. The set appeared to try to boot up (BUT) kept blowing (Plug fuses) I used 3Amp initially then 5Amp. Each time it blew these fuses, and on one occasion there was a loud bang and it (Tripped) my RCD to socket circuits in flat !! , I reset this and installed another 3Amp fuse ,it just took the fuse again!!! Do I then re-installed the other PWR Supply (50” only) designation ) on board. This blinked the ( blue led)under the(on/off) button 6 times. When I pressed the (on/off) button heard clicks from behind but nothing happening??? It appears there must be a (Dead Short ) somewhere on the 42”/50” board,which was the ( factory Fitted) type and this replacement was( exactly the same) As you mentioned,check the voltages on the board, however( it’s difficult) when it takes the fuse almost immediately,this is not easy. Any thoughts, bit puzzled. I’m thinking of getting a Engineer out to give me some advice.

@@izzzzzz6 ahh doh I have a psu for sale if any good ?

@@izzzzzz6 I did this to one in the end, seemed fine. Never shot a video though 🥲

Doubt it, these early Samsung plasmas are absolute tanks.

Panel faulty with lines-no fix

Did you watch the video?

What bulbs they use small leds lights located on the edges and they are small and will survive a kick or throw

@@Sam-Jay-Electronics8447lolthis is a plasma

Very important part of this comment "PLASMA"

Yes! Sadly the drivers failed and vertical lines in the panel. Scrap.

Likely igbts would of blew up 😁

Did you ever figure it out?

Plasma, who told you this?

Aren’t plasma tvs god tier for video quality before they got discontinued

Yes they were. That's why I repair them.​@NNAAWWTT

@@NNAAWWTTonly because of the blacks being very good. And good color quality in general. In my opinion HD CRTs are the best.

@@NNAAWWTT They were good but had some major limitations they ran into quickly. Pixel density was a big challenge once 4k sets started to come into play, and heat + power draw were incredibly high compared to LCD and later OLED counterparts. They fulfilled a similar niche in the market that OLED tvs do now, best for high-contrast content and for those who want high motion clarity

IF in uk send to me mate

LED strip kit. I took mine to a local TV repair shop that was recommended by LG support and he swore up and down that it was the panel itself that was bad until I showed him this video