Re: Samsung PS50A plasma screen issue
I don't have immediate access to an oscilloscope, however I might be able to use one at work...
How big do you estimate the chance it's related to X-main? I found some used/refurbished boards on Ebay for about 40 euros...
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Re: Samsung PS50A plasma screen issue
Anyone any further ideas? Does the Ve voltage (100.6V) seem alright to you?
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Re: Samsung PS50A plasma screen issue
Hi Tom, I'm measuring 100.6V at the VE test point...
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Re: Samsung PS50A plasma screen issue
Does anyone have an idea what else I could try? Thanks!
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Re: Samsung PS50A plasma screen issue
Hi Tom,
I replaced the cap and fuse, but the issue persists unfortunately. No improvement noticed... One thing I noted is that the fuse is fine now, i.e. it didn't blow again immediately after switching on the system again.
Do you have any more suggestions about what I could try more? I'm ready to try a more in depth investigation in case you do. I have access to probably whatever tools I'd need. Are there any volt measurements on the X-main board that could help pinpoint the faulty part of the board?
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Re: Samsung PS50A plasma screen issue
Tom, thank you so much for your prompt reply.
I did not check the fuse before, but I just grabbed my multimeter and the fuse seems blown. Do you reckon I can buy a replacement fuse + cap in my local hardware store, and it will solve the issue? Or do you think the board in its entirety is busted? I've attached a closer picture of the X main board, in case it helps. It all looks quite good to me, except for the buldging cap......
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Samsung PS50A plasma screen issue
Hi all,
I'm hoping to get some of your insights with regards to a strange screen issue I'm seeing on my Samsung PS50A plasma screen. It worked fine when I last turned it off, but yesterday when I turned it on, it went straight to a weird screen, which I would describe as "black and white only, with random horizontal black lines across the screen, in more or less fixed positions". I still have sound, and the TV is still responding well to the remote. You'll find attached some pictures for your reference... Note that I do have [B]some[/B] color when I switch to a channel...
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Re: New Members - please post your introductions here
Hi guys, my name is Eric, I'm from Belgium and an all-round electronics fanatic. I recently was faced with a failing plasma TV, and was hoping to get some of your insights to start troubleshooting it myself. Looking forward to learn!
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