Omron 8025G Maintenance Manual page 59

THEORY OF OPERATION
SECTION 4
Table 4-1. Sources and distribution of signals in the 8025 CRT Terndnal.
SIGNAL USED
GI
til
r-I
~
:3
r-I >0 1-1 0 r-I III
BY
0 1-1 CII
l1
r-I 0
\j.I
1-1
m
\j.I
0
I-l
~
+I
+I \j.I
I=: I-l
.j..l :3
>0
SIGNAL
I=: :3
8
+I I=:
+I C.
I-l
lIS
0
I-l
:E
III I=:
0 I=: +I 0
r-I
SOURCE
u
0 0
u
~
H :3 .j..l C.
IJl
..c: ..c: ..c: u
I-l 0
II!
IJl
g'
IJl
til
IJl IJl
1-1 II!
N "-
I=:
0""
SIGNAL
Q)
CII
CII
CII
2
0
.8 M .j..l 0""
0
0""
u
:E
1-1 1-1 1-1
IJl
N
:3
~
MNEMONIC
IS
0 @ \j.I
\j.I
\j.I
~ I-l >0
C.
&1
0""
I-l
CII CII
&
0"" :3 Q)
~ I=:
Q)
E-<
Il< Il<
0::
0::
~
U
:.::
H
E-<
U
Processor MAl 2 X X X X
MAl 3
X X X X
MAl4
X X
MAIS
X
X
PC6
X
PC7
X
"
WAIT
X
--
PROM ADBO
X
-
X
ADBI
--
X
ADB2
-
X
ADB3
-
X
ADB4
-
X
ADBS
-
--
X
ADB6
"
--
X
ADB7
--
X X X
Refresh Memory RMO
--
X X
X
RMI
--
X X
X
RM2
--
X
X
X
RM3
--
X X X
RM4
•
--
X X
X
RMS
--
X X X
RM6
--
X
X
RM7
,~
REF ADRS
).
-
Refresh Buffer ADBO
X
+
-
X
ADBI
--
X
ADB2
4-11