Doc64 #17 | Commodore C64 | bad CIA / Joystick Port REPAIR ASSY 250425

Today I want to show you ...
Joy Port #2 / Joystickport #2 not working on Commodore 64 ASSY PCB 250425
CIA #1 Chip U1 is bad / not working correctly
CIA Chip MOS 6526 / MOS 6526A is bad
How C64 CIA chip / Joystick port works
Link to the diag program "Test 64" https://csdb.dk/release/?id=75836
Link to "Commodore 64 Troubleshooting & Repair Guide" ...
https://archive.org/details/Commodore...
Link to "Commodore 64 ASSY 250425" ...
http://personalpages.tds.net/~rcarlse...

Heute zeige ich euch ...
Reparatur Commodore 64 Joystick Port #2
Reparatur Commodore 64 CIA #1, Chip U1
wie funktioniert der CIA Chip, wie funktioniert der Joystickport
Link zum Diag-Programm Test 64 https://csdb.dk/release/?id=75836
Link zu "Commodore 64 Troubleshooting & Repair Guide" ...
https://archive.org/details/Commodore...
Link zu "Commodore 64 ASSY 250425" ...
http://personalpages.tds.net/~rcarlse...



Helpfull links:
https://archive.org/details/Commodore...
https://archive.org/details/C64-C64C_...

My Twitter Account:
  / doktor643  


Music by:
Shades, 1986, 64er Markt&Technik by Chris_Huelsbeck