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时间:2011-03-26 00:27来源:蓝天飞行翻译 作者:admin
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 (6)
 Push the ATC/Mode S transponder (1) on its rack (3) to connect the electrical connectors (2).


 (7) Engage the nuts (4) on the lugs (5) and tighten.
 Subtask 34-52-33-865-052

 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): FOR 1SH1 5SH1 FOR 1SH2 5SH2
 Subtask 34-52-33-740-050
 C. Do the BITE test of the ATC (Ref. TASK 34-52-00-740-004).
 5. Close-up
________
 Subtask 34-52-33-860-051

 A. Make sure that the work area is clean and clear of tool(s) and other items.
 1EFF : ALL 1 34-52-33Page 408 1 1 Feb 01/99 1 1 1CES 1 Subtask 34-52-33-410-050


 B. Close Access R (1) Close the access door 824 (Ref. TASK 52-41-00-410-002).
 (2) Remove the access platform(s).
 1EFF : ALL 1 34-52-33Page 409 1 1 Feb 01/02 1 1 1CES 1 ADF - DESCRIPTION AND OPERATION


_______________________________
 1. General
_______

R **ON A/C 001-049, 051-051, 053-099, 101-149, 201-299, 301-399, 401-499,
 The Automatic Direction Finder (ADF) is a radio navigation aid which provides :
 -an indication of the relative bearing of the aircraft to a selected ground station (150 to 1799 KHz)
 -aural identification of the ground station.
 The frequency range includes :

 -
the standard commercial broadcast AM stations (550 to 1610 KHz) located at known co-ordinates around the world

 -
the Non-Directional Beacons (NDB) (190 to 550 KHz).


 **ON A/C 052-052, 151-199,
 The Automatic Direction Finder (ADF) is a radio navigation aid which provides :
 -an indication of the relative bearing of the aircraft to a selected ground station : this station operates in a frequency range of 190 to 1750 KHz
 -aural identification of the ground station.
 The frequency range includes :

 -
the standard commercial broadcast AM stations (550 to 1610 KHz) located at known co-ordinates around the world

 -
the Non-Directional Beacons (NDB) (190 to 550 KHz).


 **ON A/C ALL
 2. Component Location
__________________
 **ON A/C 001-049, 051-099, 101-149, 201-299,
 (Ref. Fig. 001)
R **ON A/C 151-199, 401-499,
 (Ref. Fig. 001A)
 1EFF : ALL 1 34-53-00Page 1 1 1 Aug 01/05 1 1 1CES 1


 ADF - Component Location
 Figure 001

R 1EFF : 001-049, 051-099, 101-149, 201-299, 1 34-53-00Page 2 1 1 May 01/05 1 1 1CES 1


 ADF - Component Location
 Figure 001A

R 1EFF : 151-199, 401-499, 1 34-53-00Page 3 1 1 Aug 01/05 1 1 1CES 1 **ON A/C 301-399,


 (Ref. Fig. 001B)
 **ON A/C ALL
 -------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL|ZONE|ACCESS | ATA | | | | DOOR | REF.
 -------------------------------------------------------------------------------2RP1 RECEIVER-ADF, 1 81VU 127 824 34-53-31 2RP2 RECEIVER-ADF, 2 82VU 128 824 34-53-31 3RP1 ANTENNA-ADF LOOP AND SENSE, 1 244 34-53-11 3RP2 ANTENNA-ADF LOOP AND SENSE, 2 253 34-53-11
 3. System Description
__________________
 A. Principle The principle of the ADF navigation is to determine the relative bearing of a selected ground station. This is obtained by the combination of :
 -
the signals from two loop and sense antennas positioned 90 deg. apart with

 -
the signal from an omni-directional sense antenna. This signal is not


 affected by the relative bearing. An external 96Hz signal modulates the composite signal which is processed in order to deliver the relative bearing. An additional Morse signal is provided to identify the selected ground station.
 B. System Architecture
R **ON A/C 001-049, 051-099, 101-105, 151-199,
R **ON A/C 001-004, 051-060,
 (Ref. Fig. 002)
R **ON A/C 001-049, 051-099, 101-105, 151-199,
R Post SB 34-1147 For A/C 001-004,051-060,
 (Ref. Fig. 002B)
 1EFF : ALL 1 34-53-00Page 4 1 1 May 01/05 1 1 1CES 1


R  ADF - Component Location 
R  Figure 001B 
R 1EFF :  301-399,  1  34-53-00 Page 5 
1  1  May 01/04
 1  1
 1CES  1

 

 ADF - Block Diagram Figure 002 
R 1EFF : 1 1 1CES  001-004, 051-060,  1 111 34-53-00 Page 6 May 01/05

 

 ADF - Block Diagram Figure 002A 
R 1EFF : 1 1 1CES  106-149, 201-299, 301-399, 401-499,  1 111 34-53-00 Page 7 Aug 01/05

 

 ADF - Block Diagram Figure 002B 
R 1EFF : 1 1 1CES  001-049, 051-099, 101-105, 151-199,  1 111 34-53-00 Page 8 May 01/05
 
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