TM9-4935-481-14-1
Table 3-11. DMS-D Performance Test-Continued
Table 3-11. DMS-D Performance Test-Continued
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
0.1030 Vac while increasing the frequency.
1304
OSC
Connect CHANNEL A OUTPUT to CHANNEL B INPUT.
(148)
1305
OSC
MODE switchto B and adjust the remaining controls as required to
1318
TKP
Adjust FREQ control to 8.20 to 8.30 kHz.
observe the waveform,
CT
1306
OSC
Disregarding any noise spikes, observe the amplitude of the wave-
X10-8/X10-9/X10-10 switch to X109.
1319
TKP
-
form displayed is 2.26 to 3.38 mVP-P.
1320
DMM
Wait until meter stabilizes and observe a reading of 0.0084 to
(143)
0.0116 Vac.
(145)
1321
MCP
Disconnect 1W9 from J17 and J10.
1322
MCP
Connect 1W20-P1 to J1O.
1323
OSC
Connect 1W20-P2 to the CHANNEL A INPUT.
X10-8/X10-9/X10-10 switch to X1010.
1324
TKP
-
1325
OSC
Disregarding any noise spikes, observe the amplitude of the
1307
TKP
AMPTD(AMPS) dial to 500.
waveform displayed is 2.26 3.38 mVP-P. (See step 1306).
t
X10-8/X10-9/X10-10 switch to X108.
1308
TKP
-
(146)
1309
MCP
Disconnect cable 1W20 from J11 and the oscilloscope.
1326
MCP
Disconnect cable 1W20 from J10 and the oscilloscope.
1310
MCP
Connect a 1W9 cable between J11l and J17.
1327
MCP
Connect a 1W9 cable between J10 and J17.
1311
DMM
Observe a reading of 0.0476 to 0.0524 Vac.
(144)
Tracker Detector Simulator A and B Sum Level Check
1312
MCP
Disconnect 1W9 from J11 and connect it to J10.
1328
MCP
SELECTOR A switch to H10.
1329
TKP
VERT(VOLTS) switch to ZERO.
Tracker Detector Sim A Signal Level
1330
TKP
HORIZ (VOLTS) switch to ZERO.
1313
TKP
VERT(VOLTS) switch to MINUS.
1331
MCP
DMM INPUT switch to SEL A.
1314
DMM
Observe a reading of 0.0476 to 0.0524 Vac.
1332
MCP
DMM LO switch to SYS GND.
(147)
8
9
10
8
1333
TKP
X10- /X10- /X10- switch to X10-.
1315
TKP
Adjust AMPTD(AMPS) dial to 999.
1316
TKP
Adjust FREQ control to 4.50 0.01 kHz.
CT
1317
TKP
Adjust FREQ control cw slowly to a reading of 12.00 0.010 kHz.
CT
Observe that the DMM reading remains between 0.0970 and
3-124
