TM-9-1290-365-24-P

PALADIN MUZZLE VELOCITY SYSTEM M93 UPGRADED

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST

OCTOBER 2000
TM-9-1290-365-24-P

  TM-9-1290-365-24-P - Page 263 of 334

ARMY TM 9-1290-365-24&P
D.7.12.2 PREPARATION FOR TEST. The test is conducted on a disassembled UUT. The test setup is
shown in Figure D-33. Figures D-34. and D-35. are detailed illustrations of the special testers.
a. Remove the UUT from higher assembly lAW para. D.4.6.8.
b. Energize and adjust digital multimeter (0MM) to measure DC volts.
c. Set ACCL switch on the test fixture to OFF position.
d. Set switch 51 on the test fixture to DOP.OUT position.
e. Set switch S6 on the test fixture to MVP-II position.
f.
Set switch S3 on the test fixture to 4MHZ position.
g. Set switch S4 on the test fixture to DOPP position.
h. Before connecting the UUT to the test setup, verify that the text fixture is deenergized.
I.
Connect the UUT to the test setup lAW Figure D-33.
D.7.12.3 SYNTHETIC DOPPLER TEST. Refer to para. D.7.13.1 for troubleshooting procedures.
a. Turn on the test equipment. (The power switch is located on the test equipment front panel).
b. Verify frequency on counter is 4MHz ±100Hz.
c. For version AY6707288-3, set switch S3 to position D.SYNT. Verify frequency on counter is
28±2KHz.
d. For version AY6707288-4,
(1)
Set switch S3 to position D.SYNT. Verify frequency on counter is 28 ± 2KHz.
(2)
Connect counter to COUNTER on the test fixture. Verify frequency on counter is
28±2KHz.
e. For version AY67010314,
(1)
Turn off the test fixture and wait for 5 seconds. Set switch S3 to position D.SYNT. Turn
on the test fixture. Verify frequency on counter is 28± 2KHz for approximately 4 seconds.
(2)
Connect counter to COUNTER on the test fixture. Turn off the test fixture and wait for 5
seconds.
(3)
Turn on the test fixture. Verify frequency on counter is 28 ± 2KHz for approximately 4
seconds.
f.
Set switch S2 to position Vpp1 . Verify voltage measure on DMM is —0.3 ± 0.3 Vdc.
g. Set switch S2 to position Vpp2. Verify voltage measure on DMM is —0.3 ± 0.3 Vdc.
h. Set switch S2 to position Vpp3. Verify voltage measure on DMM is —0.3 ± 0.3 Vdc.
i.
For versions AY6707288-4 and AY67010314:
(1)
Set switch S2 to position ELECT. ACCL.
(2)
Connect DMM(+) to INTEG-SIM. Verify voltage measured on DMM is O ± 0.5Vdc.
j.
For versions AY6707288—1 and AY67010314, set switch S6 to position MVP-I. Verify voltage
measured on DMM is 5±0.5Vdc.
D.7.12.4 ACCELERATION SWITCH TEST. DELETED
Change 1
D-93


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