Commodore SX-64 1541 Floppy Drive Repair

The Commodore 1541 floppy diskette drive is notorious for breaking down. The Commodore SX-64 floppy drive is no different. As I continue my Commodore SX-64 restoration, I find that the 1541 floppy drive doesn’t read diskettes any more and makes a chattering sound when attempting to read a disk. In this video, I walk through how to diagnose the SX-64 floppy drive as well as possible remedies before finally replacing the 1541 mechanism with a standalone drive.

Commodore SX-64 Keyboard Repair

The Commodore SX-64 keyboard is usually the first thing to fail on these old systems. As such, I need to repair the keyboard on this SX-64 restoration. To begin, I’ll need to DIY an SX-64 keyboard cable from a 25-pin serial cable. I’ll use the SX-64 replacement keyboard cable to diagnose problems with the membrane keyboard itself and resurface the SX-64 membrane keyboard. Finally, I’ll rebuild the plastic shell of the SX-64 keyboard with Bondo automotive filler in order to get the SX-64 keyboard as close to the original stock look as possible.

Commodore SX-64 Blank Screen Fix

In my quest to restore the Commodore SX-64, my first obstacle was the lack of video signal on the internal monitor. I needed to diagnose the Commodore SX-64 video signal before I would be able to move on to any other Commodore SX-64 repairs. In this video, I will go through the process to diagnose a Commodore SX-64 blank screen and step through how to repair a Commodore SX-64 blank screen. In this video, I’ll go over how to build a DIY Commodore AV cable, how to reseat Commodore chips, and how to replace a Commodore PLA chip.

Check out more Commodore SX-64 videos here

Watch the complete Commodore SX-64 restoration here

How To DIY Commodore 64 AV Cable

I was having a little trouble working on my Commodore SX-64, trying to diagnose a blank screen, so I needed to attach the Commodore 64 to a TV. Unfortunately, with these retro computers, the cables seem to vanish into the dustbin of history. So, to fix my borked Commodore SX-64, I needed to hack together a DIY Commodore AV cable. This 5-pin DIN AV cable is compatible with all Commodore models as well as the Atari 800 series and TI-99/4 among others! This video will show you how to DIY a Commodore 64 AV cable with just a few commonly-available components!

Check out more Commodore SX-64 videos here

Watch the complete Commodore SX-64 restoration here

Music by EOX Studios

“Pausesignal NRK” by Anders Enger Jensen Used with permission, available from or on SoundCloud