Texas Instruments 990 Manual page 105

N
I
w
990
MAINTENANCE
UNIT
115 VAC,
50-60HZ.
SINGLE-PHASE
(8)1 36311
I
I
I
I
I
I
I
I
PROGRAMMER
PANEL
AC
POWER
CONVERTER
I
,----
1~
L
9451 20-1
P3
990 CPU
MEMORY
CARD SLOT 3
MAIN
SUPPLY
STANDBY
SUPPLY
STANDBY OPTION
INTERCONNECT
WIRING IMPLEMENTED
USING ETCH
CIRCUIT BACKPLANE
AND THIRTEEN FULL-SIZE
BOARD CONNECTORS
I
I
I
L
I
I
I
_J
I
I
I
I
I
_J
CARD SLOT 9
MODEM
TONE
GENERATOR
938812-1
CARD SLOT 10
VDT
CONTROLLER
946076-1 THRU -6
1 /2 CARD SLOT 1 3
TTY/EIA
MODULE
945075-1
DOTTED LINES SHOW CONNECTION
FOR 2ND CONTROL UNIT ON DUAL
VDT CONTROLLER
959372-3
Figure 2-2. Model 990 Computer Hot Mock-Up System for SO-Hertz
Model 911 VDT Testing
I
I
I
I
I
I
I
I
I
I
_J
SINGLE-PHASE
115 VAC 60HZ
733 ASR DATA TERMINAL
945161-1
FULL-SIZE
EXTENDER
BOARD
975170-1
COMBINATION
DUAL TRACE
61~~~~(
MULTIMETER
115
VAC
50-60HZ