0018 00-1/(0018 00-2 blank)
DATA ACQUISITION UNIT (DAU)
INSPECTION AND FAULT ISOLATION
Table 1. Recommended PWA Replacement By Error Code........................................................................................... 1
Workbench with ESD capability
TMDE Support Specialist
Tools and Equipment:
As listed in TM 1-6625-736-13&P, NSN 6625-01-347-8667 P/N 29085800
Operators Manual for Test Set, Electronic NSN 6625-01-347-8667
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 Operators Manual for Test Set, Electronic,
Section V-Calibration paragraph 2-11 (2) SETUP.
c. Perform Operators 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 Operators manual instructions Section V-Calibration, paragraph 2-11 (3) PROCEDURE TO VERIFY
CALIBRATION OF THE DAU.
If no errors are reported complete instructions in Section V-Calibration, paragraph 2-11 (4) CALIBRATED
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.
Table 1. Recommended PWA Replacement By Error Code
Refer to Chapter 3, WP0021 00 for definitions of the
above error codes.
END OF WORK PACKAGE