3 . MPU BOARD
Troub l es hoo t i ng ( cont ' d )
MPU BOARD S I GNALS LOCAT I ON TABL E
CONNECTOR P 1 S I GNALS LOCAT I ON
CONNE CTOR P 2 S I GNALS LOCAT I ON
( same a s
I / O
Boa r d P 1 )
P i n
II
Row A
Row B
Row C
P i n
II
Row A
Row B
Row C
1
000
BBSY
008
1
A22(SPARE )
SOUND BOARD I NTERRUPT
DELUXE SOUND CODE (L5B)
2
001
BCLR
009
2
A21 (SPARE )
5VDC
DELUXE SOUND CODE - Y
3
002
O l D
3
A20
LOG I C GND
DELUXE SOUND CODE -
Z
4
003
BGO I N
01 1
4
A 1 9
5VDC
DELUXE SOUND CODE (MSB)
5
004
BGOOJT
0 1 2
5
A18
LOG I C GND
KEYBOARD COLUMN B
6
005
BGl l N
0 1 3
6
A1 7
5VDC
KEYBOARD COLUMN 0
7
006
BG 1M
0 1 4
7
A16
DSR-l
KEYBOARD COLUMN F
8
007
BG2 1 N
0 1 5
8
D I SPLAY(SPARE)
DCD- l
KEYBOARD COLUMN H
9
LOG I C GNO
BG200T
LOG I C GND
9
N . C .
DCO-2
AO COMMAND CONTROL
l D
SYSCLK
BG3 1 N
SYSFA I L
l D
V I DEO I NT
HOPPER FORWARD ENABLE
AC FA I L
1 1
LOO I C GND
BG300T
BERR
1 1
HOPPER REVERSE ENABLE
KEYBOARD ROW A
PAl
-
1 2
OS l
BRO
SYSRESET
1 2
S I WLE SOUND
KEYBOARD ROW C
PCA2
1 3
DSO
BR l
LWORO
1 3
N . C .
KEYBOARD ROW E
PA2
1 4
WR I TE
BR2
AM5
1 4
VBB l
KEYBOARD ROW G
RD ( NOT USED)
1 5
LOG I C GNO
BR3
A23
1 5
DATA
KEYBOARD ROW I
WD
REFRESH DATA I NTERRUPT
1 6
I/OOTACK
AMO
A22
1 6
I NTERRUPT
RTS-3
RESET (D I SPLAY ONLY)
1 7
LOO I C GND
AMl
A21
1 7
SYS RESET
DSR-2
M I SER ClK
1 8
AS
AM2
A20
1 8
ACCEPT ENABLE
RTS-4
N . C .
1 9
LOG I C GND
AM3
A 1 9
1 9
SEND
DTR-4
JW4 JUMPER SELECT TEST
20
l ACK
LOO I C GND
A18
20
OUT-OF-SERV I CE
CTS-l
DO D I SPLAY DATA ONLY
21
I ACK I N
SERCLK
A 1 7
2 1
READ(SPARE )
RX-3
HOPPER F
iR
22
I
ACKOUT
SERDAT
A 1 6
22
R
iW
(SPARE)
TX-4
lOG I C GND
23
AM4
LOG I C GND
A15
23
DOOR H I NGE SW .
RX-4
01 D I SPLAY DATA ONLY
24
A07
I RQ7
A 1 4
24
MEMORY LATCH(SPARE)
TX-2
02 D I SPLAY DATA ONLY
25
A06
I R06
A13
25
DTR-3
CTS-4
03 D I SPLAY DATA ONLY
26
A05
I R05
A 1 2
26
CTS-2
DCD-3
04 D I SPLAY DATA ONLY
27
A04
I RQ4
Al l
27
RX-l
RTS-2
05 D I SPLAY DATA ONLY
28
A03
I R03
Al0
28
DSR-3
DSR-4
06 D I SPLAY DATA ONLY
29
A02
I R02
A09
29
CTS-3
TX-3
07 D I SPLAY DATA ONLY
30
AOl
I RO l
A08
30
RX-2
DCD-4
KEYBOARD SELECT(NOT USED)
31
-l 2VOC
+5V STDBY
+l 2VOC
31
RTS-l
OTR-2
N . C .
32
+5VDC
+5VOC
+5VDC
32
ANTENNA
TX- l
DTR-l
3-99
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: ......