Canon Cat Repair Manual page 61

3-4_ CPU PCB Unit
Gate Array
#
I
Gate Array #2
No. Terminal I/O I/O
Terminal No. No. Terminal
I UOS 0 0
VOO 64 I SMCS
2 LOS 0
0 RIW 63 2 KTOBF
3 AS 0 0
HSYNC 62 3 OFF HOOK
4 VOO - 0 VSYNC 61 4 PHONE
5 20M 0 0
CS.V/C 60 5 RAMCS
6 3.68M 0 0
RAM. ROM.Cs
59 6 SVCS I
7 XI I I
RESET 58 7 SVCSO
8 XO 0 0 IOCS 57 8
ROMCSI
9 CPUCK 0 0 LOPS
56 9 ROMCSO
10 2.45M 0 0 RO 55 10
Dl5
11 GNO - I
A22 54 11 014
12
VPA 0 0 WR 53 12 08
13 OTACK 0
I A23 52 13 Dl3
14 AI8 I 0 CAS3 51 14
09
15 AI6 I 0 CAS2
50 15 012
16 AI5 I 0 CASI 49 16 GNO
17 AI3 I
0 CASO 48 17 010
18 AI4 I I A21 47 18 011
19 A8
I
0
WEH 46 19 07
20 A9 I I MOOE 45 20 06
21 A7 I 0
WEL 44 21 00
22 AIO I - GNO 43 22 05
23 AI6 I I
TEST 42 23 DI
24 AI2 I 0 RAS 41 24 04
25 A5 I 0 MAO 40
25 02
26 AI7 I 0 MA6 39 26 D3
27 A4 I 0 MAl 38
27
Al8
28 All I 0 MA5 37 28 AI7
29 A3 I 0 MA2 36
29 Al6
30 A2
I 0 MA4 35 30 20M
31 Al I 0 MA3 34 31 VIDEO
32 GNO I 0
MA7 33 32 GNO
3-36
I/O I/O Terminal
0 - VOO
0 0
IOCSI
0 I PFAIL
0 I/O
RESET
0 0 OUARTCS
0 I
LOS
0 I UOS
0
0 NMI
0 I ROM SIZE
I/O
I CSV/C
I/O I RAM ROMCS
I/O I IOCSO
I/O I/O MDl5
I/O I/O MOl2
I/O I/O MDl3
- - GNO
I/O I/O MOl4
I/O I/O
MOil
I/O I/O M08
I/O I/O
M09
I/O I/O MOIO
I/O I/O MD7
1/0 I/O M04
I/O I/O MDS
I/O I/O MDS
I/O I/O MD3
I I MOO
I I MOl
I
I/O
MOl
I I LOPS
0 I A2l
-
I R/W
No.
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
SOURCES
TEST POINT
VOLT/DIV
TIME/DIV
TRIGGER
SOURCES
TEST POINT
VOLT/DIV
TIME/DIV
TRIGGER
QQD
CND .....
SOURCES
TEST POINT
VOLT/DIV
TIME/DIV
TRIGGER
.
CHI
CH2
101 102
2V/DC 2V/DC
0.1 sec
CHI
""1
CHI CH2
501
5V/DC
5
p.,s
CHI
""1
CHI CH2
503 502
W/DC 5V/DC
2ms
. I
I
!
~~".-_-l---4
CiND .•
:.t:.J. !
I I 1 1.1 IJ
;
-I
i i '
11t:tt!
@).:
:HHj_--i--, ___ , __
~
__
~
GND
~...
.
I ,