TM9-4935-481-14-1
C4
Table 3-14. TTS Performance Test-Continued
Table 3-14. TTS Performance Test-Continued
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
179
CT
FREQ/TIME/MULTI switch to 103.
199
PPE
SEQUENCE switch to OFF.
180
TTS
Momentarily actuate TEST START/STOP pushbutton.
200
PPE
FUNCTION TEST switch to +14V REG.
181
CT
Momentarily depress the RESET pushbutton.
201
TPS
TRIG OUTPUT switch to GO TEST.
182
Wait approximately 21 seconds.
202
TTS
MODE switch to TRIG OUTPUT.
183
CT
Observe a reading of 50 to 825 MS.
203
CT
DISPLAY control to HOLD.
Replace card 1A7.
204
CT
Momentarily depress RESET pushbutton.
Check 1A7 pins 27, 23 and 37.
205
PPE
Momentarily actuate TEST START switch (power on).
184
TTS
Momentarily actuate TEST START/STOP pushbutton (TESTING light
206
TTS
Observe TESTING lamp illuminated.
goes off).
207
Wait 5 seconds before continuing. (Do not wait more than 15 sec.)
185
MCP
SELECTOR C switch to C4.
208
TPS
Momentarily actuate TRIGGER switch.
186
DMM
Adjust COMPARATOR THRESHOLD "B" control to +2.500 + 0.010 VDC.
209
TTS
Observe GO lamp illuminated and TESTING lamp extinguished.
187
CT
B INPUT switch to neg.
A
188
TTS
Remove the 10215396 cable between the UUT and J15.
210
TTS
When counter stops, observe GO lamp extinguished.
189
TTS
POWER switch to OFF.
CT
190
PP
DMS switch to OFF.
211
CT
Observe a reading of 30.0 + 0.3 seconds.
191
MCP
Disconnect lWl-P3 from J7.
Replace card 1A4. Check 1A4
192
MCP
Connect 1W2-P2 to J7.
pins 25, 31, and 26.
193
PP
DMS switch to ON.
212
Deleted.
194
TP
Momentarily actuate TEST START switch.
213
Deleted.
214
Deleted.
Trigger Output Logic Test
215
Deleted.
216
Deleted.
195
CIP
RUN/HOLD/OFF switch to OFF.
217
MCP
DMM LO switch to 5.
196
MCP
SELECTOR B switch to E9.
218
MCP
SELECTOR C switch to All.
197
Deleted.
FREQ/TIME/MULT switch to 105
198
CT
3-224