C3
TM9.4935-481 14-1
I
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
321
CIP
COUNTER INHIBIT(SEC) dial to 06.00.
339
DM1
Adjust lA8Al-R29 to the value recorded in step 338 + 0.020 Vac.
322
TTS
Momentarily actuate TEST START/STOP pushbutton (power on).
(Squelch power level).
323
CIP
Observe INHIB lamp illuminated.
340
TTS
Momentarily actuate TEST START/STOP pushbutton (power off).
324
MCP
DMM LO switch to EXT.
341
TTS
325
MCP
DMM FUNCTION switch to K OHMS.
342
CIP
COUNTER INHIBIT(SEC) dial to 05.00.
326
MCP
DMM INPUT switch to DMM INPUT.
327
DMM
Observe and record the DMM reading.
328
MCP
DMM input switch to SEL A.
329
MCP
DMM LO switch to SEL B.
343
PPE
SEQUENCE switch to M1NL.
330
DMM FUNCTION switch to VAC.
344
TTS
MONITOR SELECT switch to IR OUTPUT.
331
Convert the resistance reading taken in step 327 to a temperature
345
TTS
Momentarily actuate TEST START/STOP pushbutton (power on).
346
CIP
Observe INHIB lamp illuminated.
332
Using the IR source control voltage vs. temperature curve, figure
347
TTS
Adjust 1A9A2-R23 to 7.5 on the MONITOR meter.
3-36.5, determine and record the calibration value for the IR
348
TTS
Momentarily actuate TEST START/STOP pushbutton (power off).
source control voltage for the temperature recorded in step 331.
349
TTS
CHARGE switch to OFF.
333
Adjust lA8Al-R18 to the value recorded in step 332 to within
350
TTS
POWER switch to OFF.
+ 0.002 Vac.
351
TTS
Remove the thermistor from the mounting bolt.
334
TTS
Momentarily actuate TEST START/STOP pushbutton (power off).
352
PP
MAIN POWER and DMS switches to OFF.
335
CIP
COUNTER INHIBIT(SEC) dial to 17.01.
353
Disconnect and stow all test cables and accessories.
336
TTS
Momentarily actuate TEST START/STOP pushbutton (power on).
337
CIP
Observe INHIB lamp illuminated.
338
Using the squelch power level vs. temperature curve, figure 3-36.7
and the temperature recorded in step 331, determine and record
the calibration value.
3-216