Maintaining and repairing arcade game machines can be a rewarding yet demanding task, especially for vintage or rare units. One of the biggest challenges is sourcing original or compatible replacement parts, as many components are no longer manufactured. Additionally, troubleshooting electrical issues, such as faulty wiring or damaged circuit boards, requires specialized knowledge and tools.

Another common problem is screen degradation, particularly in CRT monitors, which may need recalibration or complete replacement. Mechanical wear and tear on buttons, joysticks, and coin mechanisms also demand frequent attention. Finally, preserving the authenticity of classic arcade machines while integrating modern upgrades can be a delicate balance.

For enthusiasts and technicians, overcoming these challenges often involves a mix of technical skill, patience, and a deep appreciation for gaming history.