Canon Cat Operating instructions

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Jef Raskin Document # 062 -- Canon Cat Computer Repair Manual
Source: David T. Craig Page 0002 of 0187
IAI / JEF RASKIN INFORMATION
Canon Cat Computer
Repair Manual
Canon

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Jef Raskin Document # 062 -- Canon Cat Computer Repair Manual
Source: David T. Craig Page 0003 of 0187
callDlI
The·~·"~~--Plot~~··
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JULY 1987
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Can 011
NY8-1360--000
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~ <Cl 1987 CMIII lit. I'MI CIt lEU a, 1987 PIIII1BI .. M. I~,..... _.
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Jef Raskin Document # 062 -- Canon Cat Computer Repair Manual
Source: David T. Craig Page 0004 of 0187
TABLE OF CONTENTS
CHAPTER 1 GENERAL
Page Page
1-1. Specifications .................................... 1-1
1-4. Block Diagram ................................. 1-4
1-2. Overview ........................................... 1-2
1-5. Block Diagram Description ............. 1-5
1-3. System Overview .............................. 1-3
1-6. Connector Layout ............................. 1-9
CHAPTER 2 THEORY
2-1. Address Map .................................... 2-1
2-3. Circuit Description........................... 2-4
2-2. Initial Flochart .................................
2-2
CHAPTER 3 REPAIR
3-1. ILFDD Unit ...................................... 3-1
3-4. CPU PCB Unit................................. 3-35
3-2.
CRT/Power Supply Unit 3-5. Keyboard Unit.................................. 3-44
(MATSUSHITA).............................. 3-17
3-3. CRT/Power Supply Unit
(GOLDSTAR)..................................
3-25
CHAPTER 4 CHECK OPERATION
4-1. Program Name ................................. 4-1
4-2. Check Range/Specification .............. 4-2
4-3. Operation .......................................... 4-4
4-4. Check Points for
OK Results.......... 4-9
4-5. Concrete Examples
of NG Results .. 4-12
4-6. ROM Check Sum Table .................. 4-20
I

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Jef Raskin Document # 062 -- Canon Cat Computer Repair Manual
Source: David T. Craig Page 0005 of 0187
PARTS CATALOG
Page Page
How to Use Parts List .......................... i -
ii
C-12. Keytops
A. Assembly Location Diagram ........ A-I
(DENMARK) ................ C-29 -C-30
B. Assemblies .......................... B-1 - B-2
C-13. Keytops (SWEDEN/
C-l. CPU PCB Unit .................. C-l -C-6
FINLAND) .................... C-31 -C-32
C-2.
CRT/Power Supply Unit C-14. Keytops
(MATSUSHITA) ............... C-7 -C-8
(NETHERLANDS) ....... C-33 -C-34
C-3. Power Supply Unit .......... C-9 -C-IO C-15. Keytops
C-4.
CRT/Power Supply Unit (W.
GERMANY) .......... C-35 -C-36
(GOLDSTAR) ............... C-li -C-12 C-16. Keytops
C-5.
CRT/Power Supply
(SWITZERLAND) ........ C-37 -C-38
PCB Assembly ............... C-13 -C-16 C-17. Keytops
(FRANCE) ...... C-39 -C-40
C-6.
MICRO FDD Unit ....... C-17 -C-18 C-18. Keytops (U.K.) ............... C-41 -C-42
C-7. Keyboard Unit ............... C-19 -C-20 C-19. Keytops
(SPAIN) ........... C-43 -C-44
C-8. Keytops
(USA/CANADA/ ASIA/
C-20. Keytops (ITALY) .......... C-45 -C-46
OCEANIA) .... C-21 -C-22 C-21. Keytops
(S.AFRICA) .... C-47 -C-48
C-9. Keytops (QUEBEC) ....... C-23 -C-24 C-22. Keytops
(JAPAN) .......... C-49 -C-50
C-IO. Keytops
(LATIN) .......... C-25 -C-26 D. Screws .........................................
D,E-l
C-II. Keytops
E. Tools ........................................... D,E-l
(NOR WAY) ................... C-27 -C-28 F. Numerical Index ...............
F-l -F-24
I

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Jef Raskin Document # 062 -- Canon Cat Computer Repair Manual
Source: David T. Craig Page 0006 of 0187
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Page
1-1. Specifications ..............................: ...... 1-1
1 .. 2;, OverYiew ... :........................................ 1-2
1-3. System Overview ......................:......... 1-3
, t'
-:
" " Page
,1-4. Block Diagram .................................. 14
1-5. Block J)jagramDescription .. ;........... l~'
1-6. Connector Layout ........................... ::. '1 .. 9

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Jef Raskin Document # 062 -- Canon Cat Computer Repair Manual
Source: David T. Craig Page 0007 of 0187
1. GENERAL
1-1. Specifications
SYSTEM CONFIGURATION
Standard Configuration:
Memory:
Floppy Disk:
Disk Capacity:
DISPLAY
Screen Size and Type:
Color:
Format and Capacity:
Underline Display:
Centering Display:
Cursor Position:
KEYBOARD
Number of Keys:
Entry System:
Keytop.
GENERAL FEATURES
Line Spacing:
FUNCTIONS
Cursor Movement
Leap Forward
Leap Backward
Leap Again
Local/Global Leap
Leap-Erase
Creep Forward
Creep Backward
Screen Scroll-Leap
SOFfWARE
POWER SUPPLY
OPERA TION ENVIRONMENT
Temperature:
Humidity:
OIMENTIONS
WEIGHT
SUbject to change without notice.
CRT + Keyboard + Micro FDD
256K
3.5" single-sided, double-density, double-track
240K (text: 180K, about
80 pages)
9" CRT
Black-an-white
24 lines
by 80 characters (344 by 640 dot)
Standard
Standard
LEAP,
CREEP, SCROLL UP/DOWN
59 (U.S.A) to 61
N-key rollover
Concave, step sculpture
1, 1-1/2, 2
Typing and Erasing
Automatic Page Break
Keyboard I and
II
Shift Lock
Erase
Forward
Erase Backward
Editing
Decimal
Tab
Centering. margins, tabs
Automatic Reformatting
Block Move
Block Copy
Block Erase
Document Lock
Indent
FORTH
100, 120, 230V 50/6OHz
10°C to 35°C (50°F to 95°F)
20% to 80%
In millimeters: 342(W)X 264(H)X 510(0)
In inches: 13.S(W)X 1O.4(H) X 20. l(D)
9.2 Kg (20.3 1bs)
I
1-1

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Jef Raskin Document # 062 -- Canon Cat Computer Repair Manual
Source: David T. Craig Page 0008 of 0187
1-2. Overview
Keyboard Unit
SW2
Self Diagnosis
1·2
CENTRO
Connector
CRT/Power Supply Unit
11110118801
UIIIIIUDI
~HIIIIU~I
IIIUIIIIUI
RS-232C
Connector
[
:;~=;!;~~ 1
MODEM
Fig. 1-1
* CRT Unit includes the Power
Supply Unit.
J.LFDD Unit
CPU PCB Unit
Line Jack
Phone
Jack

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Jef Raskin Document # 062 -- Canon Cat Computer Repair Manual
Source: David T. Craig Page 0009 of 0187
CUT SHEET
'·3 System Overview PRINTER FEEDER
• IIF UNIT
MAIN UNIT
LINE
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models do not have an internal
modem, they do not have these
jacks.
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Fig, 1-2
1-3

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Jef Raskin Document # 062 -- Canon Cat Computer Repair Manual
Source: David T. Craig Page 0010 of 0187
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Jef Raskin Document # 062 -- Canon Cat Computer Repair Manual
Source: David T. Craig Page 0011 of 0187
'-5. Block Diagram Description
Block
CPU/ROM/
RAM
LSI Name Function
CPU MC6S000 16 bit microprocessor
CPU Clock: 5 MHz
System ROM
SV-ROM
Address bus: A I - A23 (A
19 and A20 not used)
Data bus: DO - DIS
The CPU controls the entire system. It responds to the
following two interrupts:
l. NMI: CPU operation is monitored by gate array #2. If
the CPU operates abnormally, gate array #2
resets the entire system.
2. IPLO: Inputs IRQ from DUART. (For more informa-
tion, see the
DUART item.)
If a key input is not received within a certain time, the CPU
saves the contents of the system RAM to disk and turns off
the screen. (When a key
is pressed, the screen is turned on
and text
is displayed.)
The contents
of the system ROM (256 KBYTES) are shown
below.
1. System Program
2. Self Diagnosis Program
3. Keyboard code table/CG
The SV-ROM is provided for the spelling check. When the
spelling check
is performed, it functions as a dictionary. (The
SV-ROM
is not available for some countries.)
The names of the dictionaries used and the availability of
the SV-ROM is shown below.
I. ROM 0: Yes
PARTS NO. IC6 IC7
NH7-06S4 0 -
NH7-0724 0 -
NH7-0S13 0 -
NH7-0S14 -0
NH7-1019 0 -
NH7-1020 -0
NH7-1021 - -
2. Dictionary name
DICTIONARY
American Heritage
American Heritage (British)
Librairie Larousse
Langenscheidt
IC8
-
-
-
-
-
-0
COUNTRY
USA, JAPAN
U.K., OCEANIA
QUEBEC, FRANCE
W. GERMANY
COUNTRY
USA, JAPAN
U.K., OCEANIA
QUEBEC, FRANCE
W. GERMANY
1-5
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