TM9-4935-481-14-1
C3
Table 3-14. TTS Performance Test-Continued
Table 3-14. TTS Performance Test-Continued
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
398
PPE
Momentarily actuate TEST START switch (power on) and allow test
418
PPE
Momentarily actuate TEST START switch (power off).
cycle to complete.
419
CIP
COUNTER INHIBIT(SEC) dial to 12.00.
399
PPE
Momentarily actuate TEST START switch (power off).
420
TTS
MODE switch to MISSILE CMD.
400
PPE
SEQUENCE switch to AUTO 8.
421
PPE
SEQUENCE switch to AUTO 16.
401
TTS
MODE switch to MISSILE CMD.
402
MCP
SELECTOR B switch to C13.
NOTE
403
MCP
SELECTOR C switch to E18.
Wait > 3.0 minutes then complete steps 422 through
404
MCP
Connect a BNC cable between J13 and J15.
425 as rapidly as possible.
405
PPE
Momentarily actuate TEST START switch (power on) and allow test
422
PPE
Momentarily actuate TEST START switch (power on).
cycle to complete.
423
CIP
Wait until INHIB lamp illuminates.
406
TTS
MODE switch to SQUELCH.
424
DMM
Observe a reading of +0.8220 to +0.9420.
407
TTS
Observe NO-GO lamp illuminated.
Replace card 1A6, check pins 9
Replace card 1A6. Check 1A6A1 pin
and 39.
21 and U7B and U4B.
425
PPE
Momentarily actuate TEST START switch (power off).
408
PPE
Momentarily actuate TEST START switch (power off).
426
.
Remove DMM pos probe from 1A6A2-J9
409
MCP
Disconnect the cable from J13 and J15.
427
MCP
DMM INPUT switch to SEL A.
410
MCP
DMM LO switch to SYS GND.
411
MCP
Disconnect the thermistor cable from J17.
412
MCP
Connect 1W14 cable to J17.
428
MCP
SELECTOR A switch to Fl.
413
TTS
Connect the DMM pos. probe to 1A6A2-J9.
429
MCP
Adjust COMPARATOR THRESHOLD B control to -2.000 + 0.010 Vdc.
414
MCP
DMM INPUT switch to DMM INPUT.
430
MCP
SELECTOR A switch to F24.
415
PPE
SEQUENCE switch to AUTO 5.
431
MCP
DMM LO switch to 5.
416
TTS
MODE switch to BORESIGHT.
432
MCP
SELECTOR B switch to 1-23.
417
PPE
Momentarily actuate TEST START switch (power on) and allow test
433
CIP
COUNTER INHIBIT(SEC) dial to 05.00.
cycle to complete.
3-232