TM 1-6625-724-13&P
0018 00
0018 00-1/(0018 00-2 blank)
DATA ACQUISITION UNIT (DAU)
INSPECTION AND FAULT ISOLATION
Tables
Table 1. Recommended PWA Replacement By Error Code........................................................................................... 1
Initial Setup:
Workbench with ESD capability
Personnel Required:
TMDE Support Specialist
Tools and Equipment:
As listed in TM 1-6625-736-13&P, NSN 6625-01-347-8667 P/N 29085800
References:
Operator’s Manual for Test Set, Electronic NSN 6625-01-347-8667
Equipment Condition:
AVA system on workbench, DAU cover removed and connected to test set.
a. Examine DAU for visible damage. Replace items that are broken.
b. Connect the DAU to the test set following instructions in the Operator’s Manual for Test Set, Electronic,
Section V-Calibration paragraph 2-11 (2) SETUP.
c. Perform Operator’s manual instructions Section V-Calibration, paragraph 2-11 (1) PROGRAM THE CADU.
d. Observe LEDs on power supply PWA. All five green and no red LEDs indicate PWA is operating normally. If
any green light is not illuminated, establish ESD procedures and disconnect the acquisition PWA and the
processor PWA from the back plane connectors. Replace power supply PWA if all green LEDs are not
illuminated or red lights are illuminated.
e. Perform Operator’s manual instructions Section V-Calibration, paragraph 2-11 (3) PROCEDURE TO VERIFY
CALIBRATION OF THE DAU.
f.
If no errors are reported complete instructions in Section V-Calibration, paragraph 2-11 (4) CALIBRATED
DATA.
g. If errors are reported on CADU display replace the PWA as outlined in the appropriate Work Packages
WP0044 00 to WP0045 00 and perform steps e and f above. Reference table 1 below for suggested PWA
replacement relative to error codes.
Acquisition PWA
Processor PWA
4160
16426
16433
4163
4161
16427
16434
4164
16421
16428
16422
16429
16423
16430
16424
16431
16425
16432
Table 1. Recommended PWA Replacement By Error Code
NOTE
Refer to Chapter 3, WP0021 00 for definitions of the
above error codes.
END OF WORK PACKAGE
