T r oub l es hoo t i ng ( cont ' d )
... - . . . . . . . . . . . . . . . . . . . . .
BAD
V I A F L OWC HA R T
STA R T
V I A
F A U LT I S O L A T I O N
C H ECK
U29 , PIN 23
2 Y
GOOD
3 . t.4PU
BOARD
U29 p i n 2 2
U 2 9 p i n 2 5
.
.
.
. ....
. . .
.
FAU LT IS I N
U 7
"'"
.
. . .
. .
..
. . .. .. ..
.
.
. . ..
.
.
. .
.
. ..
.. ..
. .
GOO D
U 29, PINS 22,25
C H ECK
PIN 34
FOR
L O G I C
L E V E L
" I "
. . . .
.
.
.
. .
.
.
.
. . .
B A D
F A U L T I S I N
GOOD
C H E C K
U 2 9 , P I NS 3 5 - 3 8
See Note
1
B A D
F A U LT IS I N
U 5
C H E C K
U29, P I N 24
GOOD
B A D
F A U LT I S I N
U46
C H E C K
GOOD
U29 , P I N S
See Note 2
B A D
C H E C K
U 2 9 , P I N S 2 - 9
See Note 3
....
. ..
.
FAU LT IS I N
U 29 OR
Se. Note 3
GOO D
200nl
NOTE 1 :
Address
I
i nes a l ternate between
0
V and 5 VDC
NOTE 2 : Data
I
i nes a l ternate between
0
V and 5 VDC
C H E C K FOR
P R O P E R LOG I C
L EV E L S
NOTE
3 :
S i gna l depends
on
opt i ona l equ i pment connected to backp l ane _
B A D
F A U LT IS I N
U l , U 2 1 o, U 4 8
2 Y
500ft.
.... ....
.
... .... .... .... .. .
GOOD
C H EC K
U 2 9 , P I N S 1 0 - 1 7
See N o t e 3
100nl
B A D
FAU LT I S I N
U29 OR
See N ote 3
on
....
o
3-87
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: ......