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SNES Repair Log

SNES Repair Log

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Recent Fixes

  • October 1, 2026

    log 009: APU BB FAIL – problems with S-DSP

    On this repair, I got an APU fail error on the test cart with an additional BB code. This error indicates an issue communicating with…

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  • September 21, 2026

    log 008: The red tint

    This is an issue I’ve seen only twice so far. The first time I encountered it, I was stumped. I worked on the board a…

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  • September 7, 2026

    What bad video capacitors look like

    Capacitors get blamed for lots of issues (and bad caps can cause trouble). When they are going bad things kinda work, output or audio gets…

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  • September 7, 2026

    log 007: DMA Fail – bad CPU.

    This particular unit would boot the test cart and fail only the DMA test. The capacitors were also bad, so the output was distorted too.…

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  • September 6, 2026

    log 006: Vertical lines PPU2

    This was an SHVC board with vertical lines. Originally I suspected PPU1, and the CPU was my second guess. Neither were correct. Turned out to…

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Archives

  • October 2026
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Tags

Capacitors CPU PPU1 PPU2 Video Encoder

Categories

  • General Troubleshooting
  • Repairs
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