JAMMA Pinouts & Information
Learn how JAMMA pinouts handle arcade cabinet power, video, audio and controls, and how the correct adapter helps prevent wiring mistakes and PCB damage.
TECH TIPS & REPAIR GUIDES
Arcade & Pinball Repair Guides
Practical repair advice, upgrade information and troubleshooting guides for vintage arcade machines and pinball systems. Learn how to protect original hardware, improve reliability and keep classic machines operating properly.
TECHNICAL ARTICLES
Latest Repair Guides
Explore practical guides covering PCB repair, replacement components, reliability upgrades and restoration techniques for classic arcade and pinball hardware.
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Williams System 3-6 Displays: Repair vs. LED Upgrade
Learn how to troubleshoot Williams System 3–6 plasma displays, identify common faults and decide when a modern LED upgrade is the safer, more reliable solution.
RAM & NVRAM Cross-Reference Guide
Compare common RAM and NVRAM types, identify compatible replacements, and learn how battery-free upgrades protect classic arcade and pinball boards from corrosion.
Troubleshooting Bally/Williams WPC Opto Faults
Learn how to diagnose Bally and Williams WPC opto faults, test transmitter and receiver boards, and resolve unreliable ball-trough switch behaviour.
EPROMs vs. SMDs: Why Modern Tech is the Secret
Compare traditional EPROMs with modern SMD technology and learn why surface-mount components improve reliability, resist vibration and corrosion, and extend arcade and pinball PCB life.
7 Mistakes You’re Making with Your Bally Rectifier Board
Avoid seven common Bally rectifier board mistakes involving ageing components, damaged connectors, poor solder joints, incorrect wiring, voltage checks and heat management during pinball repairs.
Why Your Williams Arcade Machine Needs a Modern Upgrade
Learn why ageing Williams arcade decoders cause display faults, boot failures and instability, and how modern SMD replacements improve cooling, power efficiency and long-term reliability.
Bringing Vintage Arcade Boards Back to Life
Learn how modern EPROM and PROM adapters replace obsolete memory chips, reduce heat and voltage risks, simplify repairs, and keep vintage arcade boards reliably running.