Specifications
PERFORMANCE
TESTS
~C!!Jl
~~1
-c::iiI2
-~2
c:::J!I 3
(ii::J
3
C!!i
~
c::::J 4
c:::!!J 5
r:::=J 5
c:!!6
r:::=J 6
c:!!J
7
SW2
c::::J 7
SWI
c::iiI
8
Cii]8
00000
°0
TPI
TP2 TP3 TP4 TPS
EXT EXT
CO~I
VOC
GND
~TRG
DCV
- I
s~
II111!111111!11!
lotH
iU
I
S"'
II
II
o I
SCANNER
INTERFACE
BOARD
Figure 1-27.
SW1
and
SW2
Settings
5.
Replace the scanner interface board and reconnect the flat cable.
6. Set the
DC
power supply output voltage to +5
V.
Connect TP2(GND)
on
the bias
interface
simulator to '-' terminal
of
the power supply. Then connect
TP1
(Vcc)
on the
simulator to the '+' terminal of the power supply, refer to Figure 1-28.
NOTE
DC
power for the bias interface simulator can
be
supplied by the
HP 4285A instead
of
an
external
DC
power supply. For further details,
see
paragraph 1-18, SUPPLYING
DC
POWER
TO
THE
SIMULATOR on page 1-
44.
7.
Connect a cable from the scanner simulator to the scanner interface connector
on the
HP
4285A's rear panel
as
shown in Figure 1-28.
1-42