In English

Publisher: Commodore Business Machines, Inc., November, 1987

Commodore PN-314001-08

This book is available electronically at http://ftp.funet.fi/pub/cbm/schematics/computers/c128/manual/index.html

Table of Contents

SPECIFICATIONS	1
PARTS LIST	2
BLOCK DIAGRAM	3
THEORY
BUS ARCHITECHTURE	4
8502 MICROPROCESSOR	6
Z-80 MICROPROCESSOR	8
MEMORY ARCHITECHTURE	11
READ ONLY MEMORY	15
RANDOM ACCESS MEMORY	17
MEMORY MANAGEMENT UNIT	20
PROGRAMMED LOGIC ARRAY	28
8701 CLOCK GENERATOR	30
VIDEO INTERFACE	31
8564 VIDEO INTERFACE CHIP	33
8563 VIDEO CONTROLLER	36
8568 CRT CONTROLLER	39
8580 SID	41
R/W AMP FDD	47
I/O - INPUT/OUTPUT CIRCUITS	49
CASSETTE INTERFACE	49
KEYBOARD	51
EXPANSION BUS	52
SERIAL BUS	54
TROUBLESHOOTING
COMMON LINE DEFINITIONS	56
COMMON I.C.'S (PING ASSIGNMENTS & LOGIC)	57
PCB
PCB ASSEMBLY #310379 REV. 6
BOARD LAYOUT	63
PARTS LIST	64
SCHEMATIC DRAWINGS	66
PCB ASSEMBLY #310379 REV. 7
BOARD LAYOUT	70
PARTS LIST	71
SCHEMATIC DRAWINGS	73
RF MODULATOR NTSC	77
C128 POWER SUPPLIES	78
C128 MAJOR PARTS	80
C128 COMPONENT PARTS & BOARD LAYOUT	81
C128D SCHEMATIC #252451	82