C3
TM9-4935-481-14-1
Table 3-14. TTS Performance Test-Continued
Table 3-14. TTS Performance Test-Continued
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
258
MCP
SELECTOR C switch to C4.
238
CIP
COUNTER INHIBIT(SEC) dial to 28.00.
259
CT
Momentarily depress the RESET pushbutton.
239
CIP
RUN/HOLD/OFF switch to RUN.
260
PPE
Momentarily actuate TEST START switch (power on).
240
TPS
TRIG OUTPUT switch to NO-GO TEST 1.
261
TTS
Observe a complete test cycle monitoring the counter and test lamps.
241
PPE
Momentarily actuate TEST START switch (power on).
CT
242
Wait 5 seconds before continuing.
(TESTING lamp will be illuminated, then at 21 + 0.2 sec. the
243
TPS
Momentarily actuate TRIGGER switch.
NO-GO lamp will illuminate. At 60 + 0.6 sec. the NO-GO lamp
244
TTS
Observe NO-GO lamp illuminated.
will extinguish.)
A
Replace card 1A4. Check 1A4 pins
245
PPE
Momentarily actuate TEST START switch (power off).
25, 31, and 26.
246
TPS
TRIG OUTPUT switch to NO-GO TEST 2.
262
MCP
SELECTOR A switch to D22.
263
MCP
SELECTOR C switch to All.
247
PPE
Momentarily actuate TEST START switch (power on).
264
CT
A INPUT switch to pos.
248
Wait 5 seconds before continuing.
265
CT
Momentarily depress RESET pushbutton.
249
TPS
Momentarily actuate TRIGGER switch.
250
TTS
Observe NO-GO lamp illuminated.
NOTE
Replace card 1A7. Check 1A7 pins
Steps 266 through 270 must be performed within
21, 32, 10 and 11.
20 seconds. If time out occurs, actuate PPE
251
TPS
TRIG OUTPUT switch to OFF.
TEST START switch twice.
266
PPE
Momentarily actuate TEST START switch (power on).
252
PPE
Momentarily actuate TEST START switch (power off).
267
TTS
Observe TESTING lamp illuminated.
268
DMM
Observe +11.70 to +14.30 Vdc. while TESTING larmp is illuminated.
Boresight Test
269
MCP
SELECTOR A switch to D21.
(26)
253
PPE
SEQUENCE switch to AUTO 1.
270
DMM
Observe -11.70 to -14.30 Vdc. while TESTING lamp is illuminated.
254
CIP
RUN/HOLD/OFF switch to OFF.
271
CT
Observe a reading of 19.8 to 20.2 Sec.
(27)
255
TTS
MODE switch to BORESIGHT.
(24)
256
MCP
SELECTOR A switch to A15.
257
CT
A INPUT switch to neg.
3-225