More C64 Repair Logs

During the last couple of weeks I’ve received 8 (!) broken Commodore 64 machines that were in need of repair. The repair logs of three of them have already been described here (link), while the latter five had issues ranging from faulty Serial Ports (link, link, link), … Read more

Commodore 64 Project SIDFX sound mod. Swapping between SID chip files by flicking a switch. Read more on

The SIDFX Sound Mod

The semi analog SID chip (Sound Interface Device) is an electronic music synthesizer and its distinctive sounds are easily recognized by any Commodore 64 owner. Back in the days, most SID tunes ended up in games or demos to basically support the graphics on the … Read more

Repair logs for a Commodore 64 Assy 250407 Rev. B and an Assy 250407 Rev. B with broken PLAs at U17

New Repair Logs Added

I got a load of broken breadboxes that needed to be resurrected. Two of them have been fixed and the results have been added to the repair log pages. Both boards were Assy 250407 Rev. B.  PCB’s that needed a good clean and some new chips to … Read more