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

Commodore 64 capacitor modification by exchanging the old electrolytic capacitors with new ones.

The C64 Capacitor Mod

Despite the differences in opinion on the online forums regarding the exchange of the electrolytic capacitors, I always put in new ones when repairing a Commodore 64 board. I do not believe that exchanging them would do any harm to the board besides (hopefully!) prolonging the total life span of … Read more

Commodore 64 restore button modification to make the RESTORE key as sensitive as the rest of the keyboard

The C64 RESTORE Mod

A friend of mine asked me to do something about the sluggish RESTORE key in one of his Breadboxes. It turns out that on the old longboards of the Commodore 64, the RESTORE key needs to be hit hard to function due to a misdimensioned … Read more