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A desensitization line connects the transponder to the optional DME installation - refer to 34-55-00.
If the transponder is mounted into the radio rack, the blower of the radio air cooling system blows air through a duct to the rear of the transponder.
The transponder is electrically supplied by "BUS 1" and / or "BUS 2" bar(s) via the "XPDR" circuit breaker.
2. LOCATION (Figure 2)
COMPONENT QTY AREA ACCESS DOOR REFERENCE
A56 transponder 1 250 / 34-50-00
E36 antenna 1 210 215 34-53-03
Circuit breaker : - "XPDR" 1 230 232L WM
3. OPERATION NOTE : For equipment operation and maintenance, refer to the supplier's Maintenance Manual.
AFAE
Validity : KT 71 34-53 00Page 1
(CE) FEB 00
ALTIMETRE CODEUR
OU
CODEUR ALTITUDE
ENCODING ALTIMETER
OR
ALTITUDE ENCODER
2A
PANNEAU
FUSIBLES
FUSES PANEL
E36
ANTENNE
TRANSPON DEUR
XPDR ANTENNA
BUS 1
D2 "RM.SWITCH"
0 OFF
0 ON
BUS 2 INTERRUPTEUR GENERAL RADIO RADIO MASTER SWITCH
0
RELAIS GENERAL RADIO
RADIO MASTER RELAY
Transponder - Electrical schematic
Figure 1 - Without fuses on radio master switch circuit board
A56
TRANSPONDEUR
TRANSPONDER
INTERROGATEUR
DME
DME
INTERROGATOR
ALTIMETRE CODEUR
OU
CODEUR ALTITUDE
ENCODING ALTIMETER
OR
ALTITUDE ENCODER
2A
_ci\2 PANNEAU
FUSIBLES
FUSES PANEL
E36
ANTENNE
TRANSPONDEUR
XPDR ANTENNA
RELAIS GENERAL RADIO
RADIO MASTER RELAY
Transponder - Electrical schematic
Figure 1A - With fuses on radio master switch circuit board
Transponder - Identification and location of components
Figure 2
AFAE
Validity : KT 71 34-53-00Page 4
(CE) FEB 00
TRANSPONDER
DESCRIPTION AND OPERATION
1. GENERAL
The transponder is an integral part of the Air Traffic Control Radar Beacon System (ATCRBS). The transponder allows the operational air traffic service to identify the aircraft.
The system consists of :
- the A56 transponder,
- the E36 transponder antenna.
The transponder receives altitude information from the encoding altimeter - refer to 34-11-00.
It sends an altitude audio warning signal to A50 audio control box via a R88 attenuation resistor - refer
to 23-11-00.
The transponder receives and sends information to global positioning system (GNS-series GARMIN) - refer
to 34-57-00.
A desensitization line connects A56 transponder to the DME installation - refer to 34-55-00. The transponder is electrically supplied by "BUS 1" and/or "BUS 2" bars.
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本文链接地址：TB20 MAINTENANCE MANUAL 34 导航 TB20飞机维护手册 2(26)
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