How to repair your Commodore 1541 Disk drive :
Commodore 64 Disk Drive Repair Guide .
Old VHS brought back to life .
SECTION 1 Common, Logic Board, Power Supply problems, Foreign Object in Drive
SECTION 2 Tools and Supplies
SECTION 3 How to disassemble and reassemble
SECTION 4 Which component is at fault
SECTION 5 How to adjust Drive Speed and head alignment
SECTION 6 How to troubleshoot and repair the logic board
SECTION 7 Other Problems
SECTION 8 Preventive maintenance
>Here a more recent video :
I have repaired a fair amount of drives, and every time I find myself loading a test or a diagnostic software from disk. This is a bit of a contradiction since the drive being tested, or repaired, might not even be able to load a program. I also have a variety of tools for different purposes and wanted to have everything in one place.
This is why i created a 1541 Diagnostic Cartridge.
Therefor I have optimized both code and visual on the tools to keep the size down. Some tools are old, others were written from scratch and a few I rewrote in machine code instead of basic. A couple of the tools are still in Basic, but optimized.
The cartridge is an 8K ROM at $8000-$9FFF
You can also use RESTORE to return to the menu.
You may need to send a “I0:” or turn the drive off/on before running further tests if an previous error has occurred.
How to fix a non work FLOPPY DISK – Commodore 64
Demo of Copy Clone XL for my C64 blog: http://www.c64copyprotection.com/