TM9-4935-481-14-1
C4
Table 3-14 TTS Performance Test-Continued
Table 3-14. TTS Performance Test-Continued
STEP
UNIT
PROCEDURE
CORRECTIVE ACTIO N
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
83
CT
FUNCTION switch to FREQ. A.
100
TTS Observe TESTING lamp illuminated.
84
CT
FREQ/TIME/MULT switch to 106.
(13)
85
CT
DISPLAY control to mid-range.
101
TTS
Observe GO and NO-GO lamps extinguished.
86
CIP
COUNTER INHIBIT (SEC) dial to 20.00
Replace card 1A3. Check 1A3 pins 30,
87
CIP
RUN/HOLD/OFF switch to RUN.
32, 31, 19, 20, 24 and 18.
88
MCP
Connect the 10215396 cable to J13.
102
CIP
Observe INHIB lamp illuminated.
89
TTS
Connect the white probe of 10215396 to 1A4A2-J1 and the black
103
DMM
Observe a reading of +11.70 to +14.30 Vdc.
probe to 1A4A2-J2.
(14)
90
PPE
Momentarily actuate TEST START switch (power on).
104
MCP
SELECTOR A switch to D21.
91
CIP
Observe 10,000 + 10 HZ prior to INHIB lamp illumination.
105
DMM
3bserve a reading of -11.70 to -14.30 Vdc.
CT
Replace card 1A2. Check pin 27.
Replace card 1A4. Check 1A4A2-J1.
106
MCP
SELECTOR A switch to D19.
92
PPE
Momentarily actuate the Test Start switch (power off).
107
DMM
Observe a reading of +11.70 to +14.30 Vdc.
93
MCP
SELECTOR B to D23.
(15)
94
CT
Remove the 10215396 cable.
108
MCP
SELECTOR A switch to D20.
109
DMM
Observe a reading of -11.70 to -14.30 Vdc.
J3 Umbilical Readout Test (Boresight)
Replace card 1A2. Check 1A2 pin 27
95
TTS
MODE switch to BORESIGHT.
110
MCP
SELECTOR A switch to D19.
96
MCP
SELECTOR A switch to D220
111
CIP
RUN/HOLD/OFF switch to HOLD.
97
CIP
COUNTER INHIBIT(SEC) dial to 00.24.
112
CIP
COUNTER INHIBIT(SEC) dial to 00 6.
2
98
PPE
FUNCTION test switch to +24V REG.
113
CIP
RUN/HOLD/OFF switch to RUN.
99
PPE
Momentarily actuate TEST START switch if required (power on).
114
CIP
Observe INHIB lamp illuminated.
3-221
