C64 Service Manual 314001-02 1985 Sep, C-64 PDF book
[ Pobierz całość w formacie PDF ]
SERVICE MANUAL
MODEL C64 COMPUTER
SEPTEMBER 1985 PN-314001-02
Commodore Business Machines, Inc.
1200Wilson Drive, WestChester, Pennsylvania 19380U.S.A.
Commodore makes no expressed or implied war
ranties with regard to the information contained
herein. The information is made availablesolelyon
an as is basis, and the entire risk asto quality and
accuracy iswiththeuser. Commodoreshall notbe
• .liable for any consequential orincidental damages
in connectionwiththe useofthe information con
tained herein. The listing of any available replace
ment part herein does not constitute in any case
a recommendation, warranty or guaranty as to
quality or suitability of such replacement part.
Reproductionoruse without expressed permission,
of editorial or pictorial content, in any matter is
prohibited.
This manualcontains copyrighted and proprietaryinformation. No part
of this publication may be reproduced, stored in a retrieval system, or
transmitted in any form or by any means, electronic, mechanical,
photocopying, recording or otherwise, without the prior written oermis-
sion of Commodore Electronics Limited.
Copyright © 1985 by Commodore Electronics Limited.
All rights reserved.
CONTENTS
Title
Page
SPECIFICATIONS
1
PRODUCT PARTS LIST
2
BLOCK DIAGRAM
3
CIRCUIT THEORY
POWER SUPPLY
4
RESET LOGIC
5
CLOCK CIRCUITS
6
I/O, ROM, EXPANSION PORT
7
RAM CONTROL LOGIC
8
5 PIN VIDEO AND AUDIO OUTPUTS
9
8 PIN VIDEO AND AUDIO OUTPUTS
10
CASSETTE INTERFACE
11
KEYBOARD, JOYSTICK & PADDLE INTERFACES
12
SERIAL INTERFACE. USER PORT
13
TROUBLESHOOTING GUIDE
'.
14
BOARD IDENTIFICATION
17
PCB ASSEMBLY #326298-01
BOARD LAYOUT
.".
18
PARTS LISTS
19,20
PIN ASSIGNMENTS
21
SCHEMATIC #326106
21,22
PCB ASSEMBLY #250407-04
BOARD LAYOUT
23
PARTS LIST
24,25
MODULATOR SCHEMATIC #251025
26
SCHEMATIC #251138
26,27
PIN ASSIGNMENTS
27
PCB ASSEMBLY #250425-01
^
BOARD LAYOUT
28
PARTS LIST
29,30
/_
MODULATOR SCHEMATIC #251696
31
SCHEMATIC #251469
31,32
PIN ASSIGNMENTS
32
C64
COMPUTER
,/„
• The "All Purpose" Commodore 64 is the complete/computer for
education, home or small business applications. Supported by
quality peripherals and a full range of software, the Commodore 64
is perfect for the family. No other computer can offer such variety
of uses and applications at such an affordable price.
GENERAL DESCRIPTION
MEMORY
• 64K RAM
• 20K ROM Standard (includes operating system and BASIC
interpreter)
ROM
• 651OA Microprocessor-1.02 MHz clock • Compatible with
the 6502
MICROPROCESSOR
DISPLAY
• 40 Columns X 25 lines of text
• 16 Background, border and character colors
COLORS
• Upper & lower case letters, numerals and symbols • Reverse
characters • All PET graphic characters
CHARACTERS
• Text characters • High resolution graphics
DISPLAY MODES
RESOLUTION
• 320 X 200 Pixels
SPRITES
• 8 independent sprites • Each consists of 24 X 21 pixels and
up to 4 colors • Each independently expandable horizontally
and vertically • Collision detection for sprite to sprite and data
to sprite collisions
• 6581 Sound Interface Device includes 3 independent tone
generators—each with 9 octaves • Each voice includes
programmable ADSR generator (Attack, Decay, Sustain, Release)
and control of sawtooth, triangle, square, variable pulse and noise
waveforms • Full filtering capabilities with low, high and band
pass filters • External soundinput
SOUND
• Full size typewriter style design
KEYBOARD
• 66 Keys total • 2 Cursor control keys • 4 Function keys (up
to 8 user defined/programmable functions possible) • Upper and
lower case character set • Graphic character set
KEYS
• User port • Serial port • ROM cartridge port • 2 Joystick/
paddle ports • Video port • C1530 Cassette drive interface port
INPUTS/OUTPUTS
• Built-in BASIC 2.0—over 70 commands, statements and
functions • Full screen editor
FEATURES
• C1541 Diskdrive • C1530 Datasette
printer • MPS 802 Dot matrix printer •
printer • DPS 1101 Daisey wheel printer
Plotter/Printer • C1702 Color monitor •
• MPS 801 Dot matrix
MPS 803 Dot matrix
• C1520
CM141 Color monitor
PERIPHERALS
POWER REQUIREMENTS
• 120 Volts, 60 Hz
Specifications subject to change without notice.
PARTS LIST
C-64
PLEASE NOTE: Commodore part numbers are provided for reference only and do not
indicate the availability of parts from Commodore. Industry standard parts (Resistors,
Capacitors, Connectors)shouldbesecuredlocally.Approvedcross-referencesforTTLchips.
Transistors,etc.willbeavailablein manualformthroughtheService Departmentin November
of 1984. Unique or non-standard parts will be stocked by Commodore and are indicated
on the parts list by a "C".
TOP CASE ASSY
Top Case
Keyboard
LEO Plate
Nameplate
Lamp Holder Set
LED Assembly
C 326113-01
C 326166-02
C 326160-01
C 326161-01
C 903820-03
C 1001039-01
BOTTOM CASE ASSY
C 326114-01
C 950157-04
C 326131-01
C 326288-01
Bottom Case
Foot, Self-Adhesive
PCB Shield Plate
PCB Insulation Sheet
ACCESSORIES
Users Manual
Power Supply
RF Cable
Switch Box
C 320974
C 251053-02
C 326189-01
C 904778-01
C-64 BLOCK DIAGRAM
I
1-
2-
3-
4-
5-
6
7-
ADDRESS
DECODING
PLA
EXPANSION
PORT
CASSETTE
PORT
1
A
V
6510
MICRO
DATA BUS
BASIC
ROM
8K
PADDLES
ADDRESS BUS
RF
MOD
J L
SID
CHIP
SYNC
CHROMA
LUMA
KERNAL
ROM
8K
6567
VIC
CHIP
MONITOR
CHARACTER
GENERATOR
ROM
4K
64K ROM
KEYBOARD
MATRIX
6526
CIA
CONTROL
PORTS
USER
PORT
[ Pobierz całość w formacie PDF ]
zanotowane.pl doc.pisz.pl pdf.pisz.pl lemansa.htw.pl
SERVICE MANUAL
MODEL C64 COMPUTER
SEPTEMBER 1985 PN-314001-02
Commodore Business Machines, Inc.
1200Wilson Drive, WestChester, Pennsylvania 19380U.S.A.
Commodore makes no expressed or implied war
ranties with regard to the information contained
herein. The information is made availablesolelyon
an as is basis, and the entire risk asto quality and
accuracy iswiththeuser. Commodoreshall notbe
• .liable for any consequential orincidental damages
in connectionwiththe useofthe information con
tained herein. The listing of any available replace
ment part herein does not constitute in any case
a recommendation, warranty or guaranty as to
quality or suitability of such replacement part.
Reproductionoruse without expressed permission,
of editorial or pictorial content, in any matter is
prohibited.
This manualcontains copyrighted and proprietaryinformation. No part
of this publication may be reproduced, stored in a retrieval system, or
transmitted in any form or by any means, electronic, mechanical,
photocopying, recording or otherwise, without the prior written oermis-
sion of Commodore Electronics Limited.
Copyright © 1985 by Commodore Electronics Limited.
All rights reserved.
CONTENTS
Title
Page
SPECIFICATIONS
1
PRODUCT PARTS LIST
2
BLOCK DIAGRAM
3
CIRCUIT THEORY
POWER SUPPLY
4
RESET LOGIC
5
CLOCK CIRCUITS
6
I/O, ROM, EXPANSION PORT
7
RAM CONTROL LOGIC
8
5 PIN VIDEO AND AUDIO OUTPUTS
9
8 PIN VIDEO AND AUDIO OUTPUTS
10
CASSETTE INTERFACE
11
KEYBOARD, JOYSTICK & PADDLE INTERFACES
12
SERIAL INTERFACE. USER PORT
13
TROUBLESHOOTING GUIDE
'.
14
BOARD IDENTIFICATION
17
PCB ASSEMBLY #326298-01
BOARD LAYOUT
.".
18
PARTS LISTS
19,20
PIN ASSIGNMENTS
21
SCHEMATIC #326106
21,22
PCB ASSEMBLY #250407-04
BOARD LAYOUT
23
PARTS LIST
24,25
MODULATOR SCHEMATIC #251025
26
SCHEMATIC #251138
26,27
PIN ASSIGNMENTS
27
PCB ASSEMBLY #250425-01
^
BOARD LAYOUT
28
PARTS LIST
29,30
/_
MODULATOR SCHEMATIC #251696
31
SCHEMATIC #251469
31,32
PIN ASSIGNMENTS
32
C64
COMPUTER
,/„
• The "All Purpose" Commodore 64 is the complete/computer for
education, home or small business applications. Supported by
quality peripherals and a full range of software, the Commodore 64
is perfect for the family. No other computer can offer such variety
of uses and applications at such an affordable price.
GENERAL DESCRIPTION
MEMORY
• 64K RAM
• 20K ROM Standard (includes operating system and BASIC
interpreter)
ROM
• 651OA Microprocessor-1.02 MHz clock • Compatible with
the 6502
MICROPROCESSOR
DISPLAY
• 40 Columns X 25 lines of text
• 16 Background, border and character colors
COLORS
• Upper & lower case letters, numerals and symbols • Reverse
characters • All PET graphic characters
CHARACTERS
• Text characters • High resolution graphics
DISPLAY MODES
RESOLUTION
• 320 X 200 Pixels
SPRITES
• 8 independent sprites • Each consists of 24 X 21 pixels and
up to 4 colors • Each independently expandable horizontally
and vertically • Collision detection for sprite to sprite and data
to sprite collisions
• 6581 Sound Interface Device includes 3 independent tone
generators—each with 9 octaves • Each voice includes
programmable ADSR generator (Attack, Decay, Sustain, Release)
and control of sawtooth, triangle, square, variable pulse and noise
waveforms • Full filtering capabilities with low, high and band
pass filters • External soundinput
SOUND
• Full size typewriter style design
KEYBOARD
• 66 Keys total • 2 Cursor control keys • 4 Function keys (up
to 8 user defined/programmable functions possible) • Upper and
lower case character set • Graphic character set
KEYS
• User port • Serial port • ROM cartridge port • 2 Joystick/
paddle ports • Video port • C1530 Cassette drive interface port
INPUTS/OUTPUTS
• Built-in BASIC 2.0—over 70 commands, statements and
functions • Full screen editor
FEATURES
• C1541 Diskdrive • C1530 Datasette
printer • MPS 802 Dot matrix printer •
printer • DPS 1101 Daisey wheel printer
Plotter/Printer • C1702 Color monitor •
• MPS 801 Dot matrix
MPS 803 Dot matrix
• C1520
CM141 Color monitor
PERIPHERALS
POWER REQUIREMENTS
• 120 Volts, 60 Hz
Specifications subject to change without notice.
PARTS LIST
C-64
PLEASE NOTE: Commodore part numbers are provided for reference only and do not
indicate the availability of parts from Commodore. Industry standard parts (Resistors,
Capacitors, Connectors)shouldbesecuredlocally.Approvedcross-referencesforTTLchips.
Transistors,etc.willbeavailablein manualformthroughtheService Departmentin November
of 1984. Unique or non-standard parts will be stocked by Commodore and are indicated
on the parts list by a "C".
TOP CASE ASSY
Top Case
Keyboard
LEO Plate
Nameplate
Lamp Holder Set
LED Assembly
C 326113-01
C 326166-02
C 326160-01
C 326161-01
C 903820-03
C 1001039-01
BOTTOM CASE ASSY
C 326114-01
C 950157-04
C 326131-01
C 326288-01
Bottom Case
Foot, Self-Adhesive
PCB Shield Plate
PCB Insulation Sheet
ACCESSORIES
Users Manual
Power Supply
RF Cable
Switch Box
C 320974
C 251053-02
C 326189-01
C 904778-01
C-64 BLOCK DIAGRAM
I
1-
2-
3-
4-
5-
6
7-
ADDRESS
DECODING
PLA
EXPANSION
PORT
CASSETTE
PORT
1
A
V
6510
MICRO
DATA BUS
BASIC
ROM
8K
PADDLES
ADDRESS BUS
RF
MOD
J L
SID
CHIP
SYNC
CHROMA
LUMA
KERNAL
ROM
8K
6567
VIC
CHIP
MONITOR
CHARACTER
GENERATOR
ROM
4K
64K ROM
KEYBOARD
MATRIX
6526
CIA
CONTROL
PORTS
USER
PORT
[ Pobierz całość w formacie PDF ]