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The M92T36, or the M92, can short internally and disallow charging current. Faulty chips can be replaced and the Switch should be able to charge again.
Replacing the original potentiometer based Joysticks in 4 Sony DualSense controllers with TMR Joysticks for
A busy week at Sagebrush Repair. 3 Switch LIte, an OLED, 3DS, DSi, DS Lite and DSi XL all needed work or USB-C mods.
Kira selling my Switch Lite
These are not original batteries, however they perform better than OEM so I stock them instead.
Switch OLED running Hekate menu
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A full hour plus of modding an OLED
Switch OLED full mod, sped up
One of the hardest mods to do on a Switch, happens to be a specialty of mine from 16 years of soldering practice.
Shorted Battery FET
The device that connects the battery to the charger went a little bit on fire. The hotspot got to 105℃ and the chip appeared charred. The chip that's hot is actually a diameter to the right of the bright spot. I don't know why my camera is telling me the cold chip's temp directly above the hot spot.
Missing contact fingers repaired on expensive high-end power/data flex cable
Two gold plated copper fingers were corroded and shorted together by the charred underlying fiberglass (scorched glass tends to carbonize and is quite conductive!).
To fix this, I scraped out as much charred substrate as remained, cleaned the available traces behind a non-conductive protective layer, and shaped a channel for some 28AWG solid core wire. I soldered the wire, epoxied the area and let it "dry" for a day. I then ground away the excess, and sanded the contacts smooth. Each finger has a beveled forward edge so the pins smoothly contact it.
Cured epoxy and the top layer of the round wire was sanded away. The
Water damage kills another laptop
The result of a very unfortunately located spill. If they spilled anywhere else on the laptop, it would be saved, but this is a high current power supply chip, and it went out very dramatically since it was so powerful. It managed to fry nearly every chip nearby it, including the main ones.
A shame.
This is why it's hard to give answers to "is it fixable?" I fixed this chip just fine, but couldn't fix the other ones it mangled