TM 11-5841-287-30
Table 3-7. FT Channel A/D Levels
Output logic levels
Power supply
settings (V)
J1-P
J1-N
J1-T
J1-R
J1-19
J1-K
J1-W
J1-16
J1-L
J1-W
0
0.06
0
0
0
0
0
0
0
0
0
0.19
0
0
0
0
1
0
0
0
0
1
0.32
0
0
0
1
0
0
0
0
1
0
0.45
0
0
0
1
1
0
0
0
1
1
0.58
0
0
1
0
0
0
0
1
0
0
0.70
0
0
1
0
1
0
0
1
0
1
0.84
0
0
1
1
0
0
0
1
1
0
0.95
0
0
1
1
1
0
0
1
1
1
1.09
0
1
0
0
0
0
1
0
0
0
1.22
0
1
0
0
1
0
1
0
0
1
1.39
0
1
0
1
0
0
1
0
1
0
1.47
0
1
0
1
1
0
1
0
1
1
1.61
0
1
1
0
0
0
1
1
0
0
1.73
0
1
1
0
1
0
1
1
0
1
1.86
0
1
1
1
0
0
1
1
1
0
1.98
0
1
1
1
1
0
1
1
1
1
2.12
1
0
0
0
0
1
0
0
0
0
2.25
1
0
0
0
1
1
0
0
0
1
2.38
1
0
0
1
0
1
0
0
1
0
2.51
1
0
0
1
1
1
0
0
1
1
2.63
1
0
1
0
0
1
0
1
0
0
2.77
1
0
1
0
1
1
0
1
0
1
2.89
1
0
1
1
0
1
0
1
1
0
3.01
1
0
1
1
1
1
0
1
1
1
3.18
1
1
0
0
0
1
1
0
0
0
3.28
1
1
0
0
1
1
1
0
0
1
3.42
1
1
0
1
0
1
1
0
1
0
3.54
1
1
0
1
1
1
1
0
1
1
3.68
1
1
1
0
0
1
1
1
0
0
3.80
1
1
1
0
1
1
1
1
0
1
3.93
1
1
1
1
0
1
1
1
1
0
4.06
1
1
1
1
1
1
1
1
1
1
(19) Remove the probe tip from the circuit card test point and set the POWER switches on the equipment to
their off positions Remove the circuit card under test, extender card, and the program card from the test setup
control interface unit
3-28.
Testing FT Accumulator Memory 2A3/2A4
(2) Insert A3/A4 program card (SM-A-
a. Test Setup Set all equipment POWER
942355) into the card reader lot on the digital tester
switches to OFF. Connect the equipment as shown in
(3) On the control Interface unit, set the
POWER ON/OFF switch to ON and the MODE SELECT
b. Preliminary Control Settings Prior to
switch to MODULE TEST ENC Verify that the
testing the circuit card, set the equipment controls as
MODE/POWER MODULE TEST ON green Indicator
follows.
lamp is illuminated.
Control
Setting
NOTE
Control Interface unit
The MODE/POWER SHORT red
POWER ON/OFF
OFF
indicator lamp will be illuminated at this
MODE SELECT
POWER OFF
time, but will be extinguished when the
Digital tester
digital tester UUT POWER switch is set
POWER
Down (off)
to the ON position in the following step
UUT POWER
Down (off)
(4) On the digital tester, set the POWER
TEST RATE PER SEC
400K
and UUT POWER switches to the on positions (up).
NUMBER OF TESTS
2M
Verify that the red indicator lamps for these switches are
DISPLAY
PASS/FAIL
illuminated and the MODE/POWER SHORT lamp is off
PROBE THRESHOLD
2V
(5) On the digital tester, load the program
c. Test Procedure.
Perform the following
on the A3/A4 program card into the digital tester memory
steps in the sequence given Change equipment control
by
settings only when instructed In the test procedure
(1) Insert the circuit card to be tested into
the MODULE TEST circuit card rack connector J1 on the
3-34
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