Got two tvs which i belived had backlight problems..opend them up and found one that had only one led burnt out...it caused the tv to dimm a third of the panal...the other had no picture.. looked like it almost started a fire .but could make out under a flashlight...got one working..
Hisense 55k20dg tvs
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by NovgorodHi!
I have an Asus Z270i mini-ITX board with a dead DIMM slot (the one further from the CPU). The board POSTs with only the other DIMM populated but gets stuck with the DRAM error LED when the bad slot is populated. The test RAM and CPU are known working (confirmed in a different board, both memory channels are fine). The board was working for many years in a watercooled system and had a tiny bit of corrosion in different places (which came off without issues) and no visible component or trace damage.
What are the steps for DIMM (DDR4) socket troubleshooting? Since the... -
by Coolgoodman85” Hisense TV
Greetings,
Request for Technical Assessment – Faulty Hisense 85Q6NAU TV
Dear TV technicians of forum, I hope this message finds you well.
I am writing to seek assistance regarding my 85-inch Hisense Smart TV, model 85Q6NAU, which is currently experiencing a fault. The unit is approximately two years old, and I am not sure if it has a warranty.
I have attached a photo showing the issue for your reference. I would appreciate it if your experienced technician could kindly review the image and provide some insight... -
Hey folks,
I'm not a professional, but I do have a decent amount of knowledge when it comes to electronic repairs.
A friend of mine recently bought a brand new Hisense 75” 4K QLED Smart TV (75E7NQTUK) but unfortunately, he cracked the screen just a few days later. Luckily, he had insurance and got a replacement right away but weirdly enough, the insurance company never asked for the broken unit back.
So, I took it off his hands and figured I'd try to repair it myself rather than see it go to waste. I've been searching for a replacement screen but can't...1 Photo -
by nono34Hello,
I accidentally changed the project ID in the service menu of my Vidaa Hisense 100U7KQ TV. When I turn on the TV, the screen displays an RGB color cycle (test mode???). I contacted Hisense, and they sent me a usb_MTK_9618.EU.bin file, but it doesn't work. I can see that the USB drive is being read, and it flashes for about 10 minutes (the screen remains in the color cycle during the firmware reading), then the TV turns off and restarts, but still in the color cycle mode.
I want to mention that the 4GB USB is formatted in FAT32 MBR. I've also renamed the file to... -
by dicky96Hi guys
This Zotac GTX 260 had a high side MOFET on one Vcore VRM phase short circuit Drain to Gate (Not short Drain to Source)
This has burnt out the drive IC L3E (ADP3110A) and also an SOT-23 device very close to the driver IC. According to the PCB markings 'Dxxx' this is likely to be a diode.
Basically the VRM has 4 phases, two powered from one 6 way connector and two powered from the other 6 way
I would assume each pair of phases are basically identical, the burnt out phase has SOT-23 devices WW1 plus the burnt one.
The good phase... - Loading...
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