Download SERVICE MANUAL MODEL C64 COMPUTER

CONTENTS
•
SPECIFICATIONS
•
PRODUCT PARTS LIST
•
BLOCK DIAGRAM
•
CIRCUIT THEORY
o
POWER SUPPLY
o
RESET LOGIC
o
CLOCK CIRCUITS
o
I/O, RAM, EXPANSION LOGIC
o
RAM CONTROL LOGIC
o
5 PIN VIDEO AND AUDIO OUTPUTS
o
8 PIN VIDEO AND AUDIO OUTPUTS
o
CASSETTE INTERFACE
o
KEYBOARD, JOYSTICK & PADDLE INTERFACES
o
SERIAL INTERFACE, USER PORT
•
TROUBLESHOOTING GUIDE
•
BOARD IDENTIFICATION
•
PCB ASSEMBLY #326298-01
•
•
o
BOARD LAYOUT
o
PARTS LISTS
o
SCHEMATIC #326106
PCB ASSEMBLY #260407-04
o
BOARD LAYOUT
o
PARTS LIST
o
MODULATOR SCHEMATIC #251025
o
SCHEMATIC #251138
PCB ASSEMBLY #250425-01
o
BOARD LAYOUT
o
PARTS LIST
o
MODULATOR SCHEMATIC #251696
o
SCHEMATIC #251469
o
PIN ASSIGNMENTS