C4
TM9-4935S-481-14-1
Table 3-14. TTS Performance Test-Continued
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
115
DMM
Observe a reading of < +0.5000 Vdc.
132
CIP
Observe an open reading (meter drifts) when the INHIB lamp
DMM
(16)
illuminates.
116
MCP
SELECTOR A switch to D20.
(18)
117
DMM
Observe a reading of -11.70 to -14.30 Vdc.
133
PPE
Momentarily actuate TEST START switch (power off).
Replace card 1A3o Check 1A3 pins
134
TTS
Observe TESTING lamp extinguished
8, 17 and 15.
118
CIP
RUN/HOLD/OFF switch to HOLD.
119
CIP
COUNTER INHIBIT(SEC) dial to 18.20.
J3_ Umbilical Readout (Missile Cmd)
120
CIP
RUN/HOLD/OFF switch to RUN.
135
TTS
MODE switch to MISSILE CMD.
121
CIP
Observe INHIB lamp illuminated.
136
CIP
COUNTER INHIBIT(SEC) dial to 18.60o
122
MCP
SELECTOR A switch to D18.
137
PPE
Momentarily actuate TEST START switch (power on).
123
DMM
Observe an open reading (meter drifts).
138
MCP
SELECTOR A switch to D20.
(17)
139
CIP
When the INHIB lamp illuminates, observe an open reading.
124
CIP
RUN/HOLD/OFF switch to HOLD.
DMM
125
CIP
COUNTER INHIBIT(SEC) dial to 18.60.
Replace card 1A3. Check 1A3 pins
126
CIP
RUN/HOLD/OFF switch to RUN.
8 and 15.
127
DMM
Observe a reading of +11.70 to +14.30 Vdc.
140
MCP
SELECTOR A switch to D18o
(17)
141
DMM
Observe an open reading (meter drifts).
128
MCP
SELECTOR A switch to D21.
Replace card 1A3. Check 1A3 pins
129
CIP
RUN/HOLD/OFF switch to HOLD.
36 and 21.
130
CIP
COUNTER INHIBIT(SEC) dial to 20.02.
142
MCP
SELECTOR A switch to D22.
131
CIP
RUN/HOLD/OFF switch to RUN.
143
DMM
Observe a reading of +11.70 to +14.30 Vdc.
(14)
144
PPE
Momentarily actuate TEST START switch (power off).
145
TTS
Observe TESTING lamp extinguished.
3-222