#PCBRepair

Omid Farhangomidfarhang
2024-10-14

How to Debug an Electronic Device That Won't Power Up: A Step-by-Step Guide for Board-Level Repair

g.omid.dev/e4cucf0

Alexis KrierAlexis_Krier
2023-12-02

Light 💡repair, sometime it is just about soldering and stitching

Ari [APz] Sovijärviapzpins@mstdn.games
2023-11-30

After years of using crap stuff or being a bum and borrowing my friend's Hakko FR-300, I finally got around to get my own FR-301. This thing is a pleasure to operate. #electronics #pcbrepair

Hakko FR-301 desoldering tool, with a workbench full of tools in the background.

Spilled OJ Does a Number on Zelda Game Boy Cartridge

When [Taylor Burley] first opened up the cartridge for The Legend of Zelda: Oracle of Seasons, it certainly didn't look like it had been dunked in corrosive orange juice. But looks can be deceiving, and while the game's owner certainly did an admirable job of cleaning up the surface of the PCB, the cartridge was no longer functional. Clearly, this was a sticky situation.

After removing all of the components from the PCB, [Taylor] was quickly able to piece together what had happened. Despite the vigorous cleaning the game received after the spill, juice had found its way under each IC on the board. Left to sit in these nooks and crannies for who knows how long, the juice started to eat away at the traces on the PCB. Getting the game back up and running would naturally require considerable board repairs, but they don't call him Solderking for nothing.

Corrosion lurking under each chip.

In the video below, you can see [Taylor] methodically scraping away the corrosion on the board before he starts recreating damaged connections with solid 30 gauge wire. Using tweezers and viewing the action through a digital microscope, he deftly bends the wire around to fit the shapes of the original traces and tacks the new conductors down with solder. He even goes ahead and repairs the traces that go to various test points on the cartridge; it's a completely unnecessary extravagance, but we're certainly not complaining. There's a relaxing quality to watching him work, so we were in no rush to see his latest video end.

After fixing the board back up, he replaces all the components and takes it for a test drive on an original Game Boy Color. Confirming that Link's 2001 outing is working as expected, he finishes the job with a few coats of spray-on conformal coating. With any luck, the next time this particular cartridge has to go face-to-face with some spilled juice, it will roll right off.

This isn't the first time we've seen [Taylor] laboriously rebuild a Game Boy cartridge, and it certainly isn't the first time we've seen him pull off some particularly impressive feats of soldering, either. His work always reminds us that patience and a steady hand can really do wonders.

#classichacks #nintendogameboyhacks #corrosion #gameboycolor #legendofzelda #pcbrepair #repairingtraces

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Steady Hand Brings GBA Cart Back from the Grave

The flash chips used in Game Boy Advance (GBA) cartridges were intended to be more reliable and less bulky than the battery-backed SRAM used to save player progress on earlier systems. But with some GBA titles now hitting their 20th anniversary, it's not unheard of for older carts to have trouble loading saves or creating new ones. Perhaps that's why the previous owner tried to reflow the flash chip on their copy of Golden Sun , but as [Taylor Burley] found after he opened up the case, they only ended up making the situation worse.

A previous repair attempt left the PCB badly damaged.

When presented with so many damaged traces on the PCB, the most reasonable course of action would have been to get a donor cartridge and swap the save chips. But a quick check on eBay shows that copies of Golden Sun don't exactly come cheap. So [Taylor] decided to flex his soldering muscles and repair each trace with a carefully bent piece of 30 gauge wire. If you need your daily dose of Zen, just watch his methodical process in the video below.

While it certainly doesn't detract from [Taylor]'s impressive soldering work, it should be said that the design of the cartridge PCB did help out a bit, as many of the damaged traces had nearby vias which gave him convenient spots to attach his new wires. It also appears the PCB was designed to accept flash chips of varying physical dimensions, which provided some extra breathing room for the repairs.

Seeing his handiwork, it probably won't surprise you to find that this isn't the first time [Taylor] has performed some life-saving microsurgery. Just last year he was able to repair the PCB of an XBox controller than had literally been snapped in half.

#nintendogameboyhacks #repairhacks #gameboyadvance #gba #pcbrepair #repair

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