3 . MPU BOARD
C i r cu i t Descr i pt i on ( cont ' d )
3-5 2
A
I
I
A Z
3
'3
�
• •
SIP 11
1 0 K
IIcc
���11
•
0 1
22
1
8
23
17
.
.
I.
2 �
A '
0
'3
�
'2
3
A I
0 1
1 0
22
' 8
o.
23
03
1 7
2'
0
I
10
SIP
1 1
II c c
10K
2
Vee
S I P g
10K or.c K
IIcc
DUART D I AGRAM
IIcc
R28
6 8 6 8 1
10K
A I
I
Y2
.
,
' 3
A .
1 ll 0A
A X O A
RES[T
R/W
OPO
DlACK
IPO
OP2
.
I P3
0 '
U22
00
IP.
O�
FUt D a
C ·
0 3
T xOB
0 2
I PI
0 1
00
OP I
OP3
OP�
IP2
6 8 6 8 1
A '
A 3
A Z
A
I
0 1
T
_ 0 '
00
RXDA
0 '
O .
OPO
0 3
' ·0
02
U23
0 1
I P3
0
0
I
P4
l AC K
0.2
R.roe
R/;
TxOe
OTAC K
,
.
,
O P I
OP3
OP�
I P2
R26
D
3
o
e
o
.
B
2
U26
30
1 2
328
3
1
. 3
•
A ,
2 a
1I26
2 9
10
1
A T S
3"
U26
"
C T S
208
U26
28
"
3
O
TR
3
2
C
U26
2
I�
2
O
S
R
1 8
U26
3
9
I�
2
O C O
8 8
U25
1
0
13
•
RX
2'
8
I I
1 2
�
U25
T X
2 9 B
U25
•
"
0
R T S
,
. 8
U25
1 2
"
3
CTS
2
0
A
I )
U25
10
O S A
2BA
U25
"
I.
3
O C O
2 0 8
U24
OTA
2 , .
30
1
3
•
U24
32
2 8
,
4 8
,
6
8
Y 2
3B.�8
0 3 0 8. '
..
".
B
2
30
3 1
2 0
2
30
28
'0
I I
•
1 2
13
"
3
"
3
2'
B
U27
I�
2
A '
30'
12
�
U 2 7
R 1 5
2 1 8
U27
0
C
T
S
2"
U27
1 3
O C O
08
U27
I�
2
O S R
1
7
8
U24
1 0
1
O T R
3 1 8
U28
2 3 8
"
3
2
28
U28
13
•
1 8 8
U28
1 2
�
2�8
1
2
U28�
2 8 8
U24
U
30e
1 0
1 8 A
IJIITERRUPT
l O A
OAT
A
I�
A
R24
OUT OF SE RVICE
20'
l K
( 3 1
F i g . 3- 1 8
P 2
T X
�v
G"O
R X
T X
RTS
C T S
•
f) S R
oeD
OTR
Summary of Contents for 5000 Plus
Page 57: ......
Page 125: ...3 MPU BOARD Troub l eshoot i ng cont d CLOCK D I AGRAM Vee 3 68...
Page 158: ......
Page 218: ......
Page 242: ...HOPPER CONTROL BOARD Boar d Assemb l y AS 3556 1 3 o 0 o Q5 r 7 4...
Page 258: ......
Page 290: ......
Page 335: ......
Page 343: ......
Page 361: ...1 5 APPEND I CES APPEND I X 4 Co i n Mechan i sm I nc 1 5 6...
Page 382: ......
Page 383: ...APPEND I X 6 Ser v i ce Su i l e t i ns 1 5 APP END I CES 1 5 1 2...
Page 384: ......