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Cartridge slot oxidation

Heavy oxidation on cartridge connector pins preventing reliable reads.

3 repair logs

AV Famicom motherboard on a paper-towel work surface, with the old desoldered electrolytic capacitors, a removed 7805 voltage regulator, a spool of Kester Sn63Pb37 solder, used cotton swabs, and a black brass-sponge tip cleaner laid out around it.
+12 photos

Nintendo — AV Famicom

Nintendo AV Famicom (HVC-101) Recap, 7805 & Clean

This Nintendo AV Famicom (HVC-101) arrived with a gray screen and a catastrophically oxidised cartridge slot. A good clean fixed the boot issue; a full recap and 7805 voltage regulator replacement took care of the rest.

Gray/blank screen on bootCartridge slot oxidation
Sep 11, 20252 threads
Two Nintendo Game Boy Player (DOL-017) units seen from their top side (the side that docks to the GameCube) on paper towel, a silver one and an indigo one, each with a sealed Console5 GameCube GB Player cap kit bag (NIN-GC-GBPLAYER-SMD-CK) resting on it, and an FNIRSI soldering iron in its case to the right.
+4 photos

Nintendo — Game Boy Player

Nintendo Game Boy Player (DOL-017) Recap: Leaking Caps

The first time I've actually encountered genuinely leaking capacitors in Nintendo Game Boy Player (DOL-017) units. These were memorable for that alone.

Corrupted graphicsCartridge slot oxidationLeaking capacitors
Sep 5, 20251 thread
Sega 32X Virtua Racing Deluxe PCB with replaced capacitor, IPA cleaning residue, and green plastic tool on workbench.
+2 photos✓Successful repair

32X cartridge maintenance

Virtua Racing Deluxe back in action after a recap and a clean. Whether the cap was actually the cause or the IPA did the real work is unclear, but it works now.

Cartridge slot oxidation
Feb 19, 20241 thread