A PDF download copy of the 1992 Commodore 64 service manual. Readable on your smartphone, Kindle, PC, Mac, Amiga etc

PDF CONTENTS:

MACHINE SPECIFICATIONS
PRODUCT PARTS LIST
BLOCK DIAGRAM
CIRCUIT THEORY
POWER SUPPLY
RESET LOGIC
CLOCK CIRCUITS
I/O, ROM, EXPANSION PORT
RAM CONTROL LOGIC
5 PIN VIDEO AND AUDIO OUTPUTS
8 PIN VIDEO AND AUDIO OUTPUTS
CASSETTE INTERFACE
KEYBOARD, JOYSTICK & PADDLE INTERFACES
SERIAL INTERFACE, USER PORT
TROUBLESHOOTING GUIDE
BOARD IDENTIFICATION
PCB ASSEMBLY #326298-01
BOARD LAYOUT
PARTS LISTS
PIN ASSIGNMENTS
SCHEMATIC #326106
PCB ASSEMBLY #250407-04
BOARD LAYOUT
PARTS LIST
MODULATOR SCHEMATIC #251025
SCHEMATIC #251138
PIN ASSIGNMENTS
PCB ASSEMBLY #250425-01
BOARD LAYOUT
PARTS LIST
MODULATOR SCHEMATIC #251696
SCHEMATIC #251469
PIN ASSIGNMENTS
SERVICE REFERENCE DIAGRAM B-3
B-3 PCB PARTS LIST
B-3 BOARD LAYOUT
B-3 SCHEMATICS #252278
SERVICE REFERENCE DIAGRAM - E
E PCB PARTS LIST
E BOARD LAYOUT
E SCHEMATIC #252312