mecha Arcade Repair
  • Home
  • Essential PSU Guide Remastered
  • Happ JAMMA Wiring Pinout
  • Ken Layton’s Korner
  • Monitors
    • Hantarex Polo
    • Wells-Gardner P719 Neckboard
    • Wells-Gardner K4600
    • Servicing the Wells-Gardner K4600
    • Wells-Gardner K4900
    • Wells-Gardner K7000
    • Wells-Gardner U5000
  • Williams/Midway
    • Williams/Midway CVSD/ADPCM Sound Boards
    • Williams Sound Board Information
    • Williams ROM Board Information
    • Williams Test Panel Information
    • Williams Power Supply & Transformer Information
    • Various Williams Classic Blunders
    • NFL Blitz/Sportstation I-40 and Other Wiring Tips
Guide

Operation Gorgar Part 1

May 7, 2025mecha0 Comments

Gar managed to find a Williams Gorgar in non-working condition. I had a pretty good idea…

Read More
Guide

Operation Firepower Part 2

April 16, 2025mecha0 Comments

after procuring the replacement MPU and driver boards, with the power of a 2732 Firepower combo…

Read More
Guide

Operation Firepower Part 1

March 4, 2025mecha0 Comments

The Garcade has Williams Firepower, which had a Rottendog MPU327-4 that failed. despite my efforts to…

Read More
Guide

Zenith K7000A troubles

August 5, 2024mecha0 Comments

the venerable Wells-Gardner K7000 had a tremendous run in the 80s and 90s as easily the…

Read More

Ken’s Korner added

March 19, 2024mecha0 Comments

arcade community legend Ken Layton had a site full of many resources for years. since his…

Read More
Guide

Building a Midway Space Invaders Deluxe test harness

January 27, 2024mecha0 Comments

the information contained here (with exception to any noted comments I add) is from the defunct…

Read More
Guide

Pole Position battery leak saga

January 15, 2024mecha0 Comments

Pole Position. it had a NiCAD battery for saving high scores. given the game is over…

Read More
Guide

solving the unobtanium 150W power supply dilemma

December 30, 2023mecha0 Comments

a few years ago, before the pandemic happened and we couldn’t get any power supplies for…

Read More
Guide

the time I upgraded a War Gods hard drive

October 8, 2023mecha0 Comments

back in the heyday of that one time I was tasked with making a classic/vintage/retro (whatever…

Read More
Guide

Updated Williams ROM Board Information

July 30, 2023mecha0 Comments

I made some changes to the ROM board page, which apparently was dedicated to some Defender…

Read More
1 2 »
Copyright © 2025 mecha Arcade Repair - Manage