I'm working on a Samsung 51" plasma. The tv powers up fine, screen is good. I can navigate the menu. Its self diagnostics find nothing. However the HDMI ports are not working. When I plug something in, the menu lights up the correct port as if its detecting some signal, but no audio or video come through. I'm assuming main/logic board issues? Is there something I can test, or do I simply need a new board? Any input would be great, Thanks!
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Re: Samsung pn51f5300af no HDMI
I would first test the connections between the hdmi plug and the board, a few poor solder connections can result in the port being detected but you will have no video or audio. Use a needle to see if any of the pins are loose. I just repaird a different samsung main baord and both hdmi's had poor connections.Last edited by R_J; 08-12-2019, 05:48 PM. -
Re: Samsung pn51f5300af no HDMI
bad hdmi cable can do the same. Actually a new main board is surprisingly cheap for this TV.Comment
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Re: Samsung pn51f5300af no HDMI
I checked the hdmi connections...all good, and its a brand new cable, plus I have tried different cables all with the same results. Where is a good source for a replacement board?
Thanks!Comment
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Re: Samsung pn51f5300af no HDMI
Curious to know where I can get this board cheaply? Everywhere I have looked, the seem to be expensive? Maybe my idea of cheap is wrong.
Thanks!Comment
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Re: Samsung pn51f5300af no HDMI
look at SJComment
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Hello. Samsung UN50MU6070FXZA here with both HDMI ports non-working. I have already verified multiple sources and multiple cables to ensure it isn't something simple like that as well as resets and software updates.
I took the mainboard out and gave it a look. Nothing looks bad or burned. All of the HDMI pins are nice, none are broken at their pads either.
Following the traces, it looks like both HDMI ports trace back to the main CPU which does seem to get hotter than I think it should despite it's (rather poor) heatsink.
Since the HDMI controller appears... -
Hi all I have 2 Samsung LF22T350FHRXEN, working in a dual screen setup. Out of the blue one of them now wont display full resolution trough HDMI port, Either get out of range message or it will be stuck at 1024x768px. Tried reseting the screen, tested different HDMI Cables but with no luck.
Need some advice
Best Regards04-30-2024, 11:35 AM
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