A
757 MAINTENANCE MANUAL
 A.  References
 (1)  
AMM 20-10-01/401, E/E Rack Mounted Components

 (2)  
AMM 24-22-00/201, Electrical Power Control

 (3)  
AMM 31-31-03/201, Flight Data Acquisition Unit (FDAU) - Maintenance

 (4)  
AMM 31-31-03/301, Flight Data Acquisition Unit (FDAU) - Servicing

 B.  Access
 (1)  Location Zone
 119BL Main Equipment Center, E3-3

 C.  Procedure
 S 864-039
 (1)  Make sure these overhead P11 panel circuit breakers are open:
 (a)  
11J7, FLIGHT RECORDER AC

 (b)  
11J8, FLIGHT RECORDER DC

 S 914-025
 CAUTION: DO NOT TOUCH THE CONNECTOR PINS OR OTHER CONDUCTORS ON THE
_______ FDAU. IF YOU TOUCH THESE CONDUCTORS, ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE FDAU.
 (2)  Install the FDAU to the E3-3 equipment rack (AMM 20-10-01/401).
 D.  FDAU Test
 S 864-007
 (1)  Remove the DO-NOT-CLOSE tags and close these P11 panel circuit breakers:
 (a)  
11J7, FLIGHT RECORDER AC

 (b)  
11J8, FLIGHT RECORDER DC

 S 864-008
 (2) Supply the electrical power (AMM 24-22-00/201). GUN GUN S 864-040 GUN (3) GUN 001-008, 010, 101 PRE-EO B531006;
 GUN 009;
  ú

 31-31-03
 ALL  ú ú GUN Page 402 ú Sep 28/01

A 
757 
MAINTENANCE MANUAL
 Do the steps that follow:
 (a) Make sure that the SYSTEM light on the FDEP are on.
 (b) Set the function switch on the flight data entry panel to the
 TEST position.
 (c) Make sure that the SYSTEM light on the flight data entry panel
 goes off.
 (d) Release the function switch on the flight data entry panel.
 GUN
 GUN  S 864-031
 GUN  (4) GUN 001-008, 010, 101 POST-EO B531006;
 GUN 102-999;
 Do the steps that follow:
 (a) Make sure that the OFF light on the flight recorder control
 panel is on.
 (b) Set the function switch on the flight recorder control panel to
 the TEST position.
 (c) Make sure that the OFF light on the flight recorder control
 panel goes off.
 (d) Release the function switch on the flight recorder control
 panel.
 GUN  E.  GUN 001-008, 010, 101 POST-EO B531006;
 BITE Fault Code Display
 S 864-065
 (1) Move the switch to the left to search for active DFDAU errors.
 (a) The lamp test lasts approximately 0.5 seconds. All segments of
 the display will come on and the DFDAU BITE and DFDR LED's will
　
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