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
 
AUTHOR: Commodore Business Machines, Inc. 
LANGUAGE: English
SPECS: 4,78 MB - 57 pages PDF
PART NO.  PN-314001-03