Honeywell SPZ-8000 - Page 307

MAINTENANCE
Honeywell W!+fb
“ (H)
RS232 DATA IN a <
RS232 SIG GNLI V< !
(c)
(H) ‘1
n
> Z RS232 DATA OUT
-m
●CENTRAL PROCESSING UNIT (CPU)
I
{:: ~
(c)
-280 CPU
DATA BUS IN G
I
-8 KBYTESRAM
I
FROM NAV
COMPUTER H
(H)
-32 K BYTES EPROM
- RS422 INTERFACE
(c) I ~
- RS232 INTERFACE
I
:}
DATA BUS OUT
{~
(c)
(H) T
TO NAV COMPUTER
CLK BUS IN J
FROM NAV
COMPUTER K
(H)
I
CHASSIS GND b
I
P
I
{:;
B
(L)
28 V DC POWER
(H)
c I (R)
● POWER SUPPLY CARD
{ :,
RIGHT D
-5VDC
LOADER
-+12VDC
INSTALLED
(L)
-DISCRETES FOR CPU
DISCRETE FROM
LE17 E
NAV COMPUTER
AUX F
(A)
El-EQ-
AD-l19694?2@
DL-800/900 Data Loader
Block Diagram
Figure 9-7
22-14-00
Page 198.141
Aug 15/91
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