TM 9-4935-481-14-1
C1
Table 3-11. DMS-D Performance Test-Continued
Table 3-11. DMS-D Performance Test-Continued
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
1112
TPS
Adjust the AMPTD(VOLTS) control slowly to fully ccw and observe
WIDTH(MS)
Reading
DMM
that the DMM tracks the dial readings.
1124
2.2
2.18 to 2.22 msec
Replace card A23. Check A23 pins
1125
2.3
2.28 to 2.32 msec
28, 70, 5 and 12.
1126
2.4
2.38 to 2.42 msec
1113
TPS
Adjust AMPTD(VOLTS) control to 2.50.
1127
2.5
2.48 to 2.52 msec
1114
DMM
Observe a reading of +2.400 to +2.600 Vdc.
1128
2.6
2.58 to 2.62 msec
Mechanically adjust the AMPTD(VOLTS)
1129
2.7
2.68 to 2.72 msec
dial to the reading on the DMM.
1130
2.8
2.78 to 2.82 msec
1115
TPS
TRIG OUTPUT switch to MNL.
1131
2.9
2.88 to 2.92 msec
1116
PPE
FUNCTION TEST switch to PULSE READ.
1132
3.0
2.98 to 3.02 msec
1117
PPE
Momentarily actuate TEST START switch and then TRIGGER switch.
1133
4.0
3.98 to 4.02 msec
TPS
1134
5.0
4.98 to 5.02 msec
1118
DMM
Observe a reading of +2.400 to +2.600 Vdc.
1135
6.0
5.98 to 6.02 msec
(130)
1136
7.0
6.98 to 7.02 msec
1137
8.0
7.98 to 8.02 msec
1119
MCP
SELECTOR B switch to D24.
1138
9.0
8.98 to 9.02 msec
1120
PPE
FUNCTION TEST switch to INT-CLK.
1139
10.0
9.98 to 10.02 msec
1121
TPS
Adjust WIDTH(MS) dial to the positions indicated, momentarily
1140
11.0
10.98 to 11.02 msec
CT
1141
12.0
11.98 to 12.02 msec
actuate the TRIGGER switch and then observe the Counter
1142
13.0
12.98 to 13.02 msec
reading for each dial setting.
Corrective action for steps 1123
through 1142 is: Verify wiring
WIDTH(MS)
Reading
from S16 to A12 pins 116 and 56.
1122
2.1
2.08 to 2.12 msec
Replace card A12. Check A12 pins
111, 117, 106, 116 and 56.
1123
2.0
1.98 to 2.02 msec
3-118