body width is about 7mm. any help greatly appreciated.
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Hi
I have a QN65QN90A which was purchased around launch I guess making it about 1.5-2 years old... had been working fine until a few days ago, simply went black and would no longer turn on (at all). No standby light and no typical PSU relay click etc. Absolutely dead.
Pulled it apart without doing much research first, suspecting the power supply as it had a faint buzz (I guess due to the forthcoming found short), investigated PSU for some time and concluded there was no fault that I could spot with the board removed.
Came to learn after a bit more research... -
Here is a picture of it
I know that the top two rows are the
( JST XH 2.54 mm pitch ) because I ordered several pins variations and they fit like they should
On the other ( what they call a transfer board ) it say 2.54 and 2.00 but it is in Chinese I assume that what language it is I might be wrong
Here is a link to the ones that I bought that are the wrong type
https://www.ebay.com/itm/295620350485?var=593709022723
The last two rows are suppose to be 2.00 pitch but I can not figure out what series they are
...09-14-2023, 06:24 PM -
My almost 15 years old desktop PC decided it was about time not to power on anymore. I replaced the PSU with a spare one I had and it went back on so I guess it was it. Now I'd like to try to take a look at the old one that went bust but I'm having trouble in identifieing it. I've taken some pictures of the board but haven't been able to find the schematics or almost anything online, expect for the LC500H-12 itself, the inside board seems to not showup anything.
Any assistance in identifying the board or pointing me toward the right schematics would be greatly... -
Hi everyone,
Looking for some advice or opinions on what to do with a monitor issue I’ve run into. Apologies in advance is this crossovers a few forum categories.
I have a Dell U3425WE, which I've recently replaced with another model. That said, the original unit is still fully functional in terms of the display — it works perfectly over HDMI and DisplayPort. However, the USB-C and Thunderbolt 4 ports have stopped functioning correctly. The Issue:- The 90W Thunderbolt 4 port (circled in the photo) no longer charges or powers any device, including laptops or MacBooks.
- There’s
07-15-2025, 04:55 AM -
i came across dead seasonic prime psu with shorted mlcc caps on the modular board, this is the third time i encounter this problem, i usually just removed the shorted mlcc and not replace them since theres a lot of caps around the psu i used to think those mlcc probably does not matter much, i have no equipment to test or proper knowledge for this. i just reuse those psu on low end machines. but few days ago one of the machines have its 2 sticks of ram died, it keep on getting blue screens. 2 sticks of ram died at the same time, its probably something else and not just the ram. in the past when...
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