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Arcade Laboratory

8 chosen videos. Channel on YouTube

  1. Hobbyist or repairer

    Nintendo Vs. System Part 1 The MDS Board

    Arcade Laboratory

    Nintendo Vs. boards are toured area by area in the opening of a repair series, from RAM and ROM to CPU, PPU, video, audio and control circuits, to help narrow down faults.

  2. Hobbyist or repairer

    SNK MVS MV4F No Boot Fix

    Arcade Laboratory

    Neo Geo MV4 no boot repair begins here, with board cleaning, soldering a surface mount RAM chip and fault finding, plus talk of the custom chips, boot process and test methods.

  3. Hobbyist or repairer

    Sony Trinitron CRT KV G14B1 RGB Mod

    Arcade Laboratory

    Sony Trinitron KV-G14B1 gets an RGB input modification, with the maker working from schematics and showing how to adjust the RGB and sync voltages so the set is not overdriven.

  4. Hobbyist or repairer

    Composite Signal Waveform Introduction

    Arcade Laboratory

    A composite video signal is read on an oscilloscope, with the maker explaining blanking periods, colour burst phase and scope triggering, then tracking a bad signal on a Mega Drive 2 video adapter.

  5. Hobbyist or repairer

    Midway Galaga Arcade PCB Repair

    Arcade Laboratory

    Replacing sockets, reset and enable circuit chips and removing a shorted trace brings a Midway Galaga board back, using a Fluke 1090A to chase reset, ROM and RAM faults.

  6. Hobbyist or repairer

    Nintendo Punch Out Arcade PCB Repair

    Arcade Laboratory

    Overcurrent damage to a Nintendo Punch-Out arcade board is narrowed to the audio amplifier circuit and an LA324 chip, with repairs to battery leakage damage as well.

  7. Hobbyist or repairer

    Williams Joust Controller PCB Repair Pat1 of 2

    Arcade Laboratory

    Williams Joust controller interface board has faulty player 2 controls, and the video goes through fault-finding steps plus the soldering and desoldering used for the repair, as part 1 of 2.