1. Possible Causes
_______________
- RECEIVER-ILS, 1 (2RT1)
- AMU (1RN)
- MMR-1 (40RT1)
- wiring of the AUDIO OUTPUT bus from the ILS receiver 1 (2RT1) to the AMU (1RN)
- wiring of the AUDIO OUTPUT bus from the MMR receiver 1 (40RT1) to the AMU (1RN)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 23-51-34-000-001 Removal of the Audio Management Unit (AMU) (1RN)
AMM 23-51-34-400-001 Installation of the Audio Management Unit (AMU) (1RN)
AMM 34-36-00-710-001 Operational Test of the ILS
AMM 34-36-00-710-003 Operational Test of the ILS
AMM 34-36-31-000-001 Removal of the ILS Receiver (2RT1,2RT2)
AMM 34-36-31-000-002 Removal of the Multi Mode Receiver (40RT1, 40RT2)
AMM 34-36-31-400-001 Installation of the ILS Receiver (2RT1,2RT2)
AMM 34-36-31-400-002 Installation of the Multi Mode Receiver (40RT1,
40RT2)
ASM 34-36/01
3. Fault Confirmation
__________________
R **ON A/C 001-004, 051-060,
A. Do the operational test of the ILS (Ref. AMM TASK 34-36-00-710-001).
**ON A/C ALL
R Post SB 34-1147 For A/C 001-004,051-060,
A. Do the operational test of the ILS (Ref. AMM TASK 34-36-00-710-003).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞34-36-00∞∞∞∞∞∞∞∞∞∞Page 260
May 01/05 CES 4. Fault Isolation
_______________
A. Table of the circuit breakers used in this procedure:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
**ON A/C 001-004, 051-060,
121VU COM NAV/ILS/2 1RT2 K09 R **ON A/C 062-099, 106-149, 151-199, 204-299, 301-399, 401-499,
121VU COM NAV/MMR/2 42RT2 L07 **ON A/C 001-049, 051-061, 101-105, 201-203, Post SB 34-1147 For A/C 001-004,051-060,
121VU COM NAV/MMR/2 42RT2 K09 **ON A/C 001-004, 051-060,
B. If there is no identification signal on the loud speakers with the circuit breaker (1RT2) open:
- replace the RECEIVER-ILS, 1 (2RT1) (Ref. AMM TASK 34-36-31-000-001) and (Ref. AMM TASK 34-36-31-400-001).
(1) If the fault continues:
- replace the AMU (1RN) (Ref. AMM TASK 23-51-34-000-001) and (Ref. AMM TASK 23-51-34-400-001).
(2) If the fault continues:
- do a check and repair the wiring of the AUDIO OUTPUT bus from the ILS receiver 1 (2RT1) to the AMU (1RN) (Ref. ASM 34-36/01).
**ON A/C ALL
Post SB 34-1147 For A/C 001-004,051-060,
B. If there is no identification signal on the loud speakers with the circuit breaker 42RT2 open:
- replace the MMR-1 (40RT1) (Ref. AMM TASK 34-36-31-000-002) and (Ref. AMM TASK 34-36-31-400-002).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞34-36-00∞∞∞∞∞∞∞∞∞∞Page 261
Aug 01/05 CES
(1) If the fault continues:
- replace the AMU (1RN) (Ref. AMM TASK 23-51-34-000-001) and (Ref. AMM TASK 23-51-34-400-001).
(2) If the fault continues:
- do a check and repair the wiring of the AUDIO OUTPUT bus from the MMR receiver 1 (40RT1) to the AMU (1RN) (Ref. ASM 34-36/01).
**ON A/C ALL
C. Do the test given in Para. 3.
Loss of the ILS2 Audio Signal from the ground station
1. Possible Causes
_______________
- RECEIVER-ILS, 2 (2RT2)
- AMU (1RN)
- MMR-2 (40RT2)
- wiring of the AUDIO OUTPUT bus from the ILS receiver 2 (2RT2) to the AMU (1RN)
- wiring of the AUDIO OUTPUT bus from the MMR receiver 2 (40RT2) to the AMU (1RN)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 23-51-34-000-001 Removal of the Audio Management Unit (AMU) (1RN)
AMM 23-51-34-400-001 Installation of the Audio Management Unit (AMU) (1RN)
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本文鏈接地址：A320 Trouble Shooting Manual 排故手冊 導(dǎo)航 NAVIGATION 2(118)
