R (1) Do the operational test of the audio management system (Ref. AMM TASK R 23-51-00-710-001).
R 4. Fault Isolation
_______________
R A. After you speak in the microphone of the First Officer Oxygen Mask:
R (1) if the reception is incorrect at each loud speaker and Oxygen Mask
R Mike of each crew station:
R - replace the STOWAGE BOX-OXY MASK, F/O (10RN2) (Ref. AMM TASK 35-12-R 41-000-001) and (Ref. AMM TASK 35-12-41-400-001).
R (a) If the fault continues:
R - replace the AMU (1RN) (Ref. AMM TASK 23-51-34-000-001) and
R (Ref. AMM TASK 23-51-34-400-001)
R 1_ If the fault continues:
R - do a check and repair the wiring between the 10RN2 and the
R 1RN (Ref. ASM 23-51/02).
R B. Do the test given in Para. 3.
「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 ∞∞23-51-00∞∞∞∞∞∞∞∞∞∞Page 273
Nov 01/01 CES
TASK 23-51-00-810-850
LGCIU1/AMU Interface Fault
1. Possible Causes
_______________
- LGCIU-1 (5GA1)
- AMU (1RN)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 23-51-00-740-002 BITE Test of the Audio System
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 32-31-71-000-001 Removal of the LGCIU (5GA1, 5GA2)
AMM 32-31-71-400-001 Installation of the LGCIU (5GA1, 5GA2)
AMM 32-69-00-740-001 BITE Check Landing Gear Control Interface Unit
(LGCIU) using MCDU to Ensure that Continuous BITE is
Operative AMM 32-69-00-860-001 Simulation of Flight, with the Aircraft on the Ground ASM 23-51/06
3. Fault Confirmation
__________________
A. Test
(1) Do the BITE test of the LGCIU1 (Ref. AMM TASK 32-69-00-740-001).
R (2) Make sure that all the faults are repaired, do the trouble shooting R procedure related to the maintenance message.
(3) Do the BITE test of the audio system (Ref. AMM TASK 23-51-00-740-002) with an aircraft-in-flight configuration simulated in the LGCIU1 (Ref. AMM TASK 32-69-00-860-001).
4. Fault Isolation
_______________
R **ON A/C 002-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
A. If the test gives the maintenance message LGCIU1 (5GA1)/AMU (1RN):
- replace the LGCIU-1 (5GA1) (Ref. AMM TASK 32-31-71-000-001) and (Ref. AMM TASK 32-31-71-400-001).
(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:
- remove the LGCIU-1 (5GA1) (Ref. AMM TASK 32-31-71-000-001)
- remove the AMU (1RN) (Ref. AMM TASK 23-51-34-000-001)
- do a check and repair the wiring of the AIR/GROUND DISCRETE signal from pin AB/12J of the LGCIU1 to pin AB/9C of the AMU (Ref. ASM 23-51/06)
- install the AMU (1RN) (Ref. AMM TASK 23-51-34-400-001)
- install the LGCIU-1 (5GA1) (Ref. AMM TASK 32-31-71-400-001).
**ON A/C ALL
B. Do the test given in para.3.
STATIC DISCHARGER - FAULT ISOLATION PROCEDURES
______________________________________________
TASK 23-61-00-810-801
Radio Communications Become Noisy When Flying Through Cloud, Rain or Dust
1. Possible Causes
_______________
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 20-28-00-720-004 Test of the Bonding with a GUERPILLON milliohmmeter AMM 20-28-00-720-010 Check of the Electrical Bonding of External Composite Panels with a CORAS Resistivity-Continuity Test Set
AMM 20-28-00-720-011 Measurement of the Surface Electrical Resistance of External Composite Panels with a CORAS Resistivity-Continuity Test Set
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本文链接地址：A320 Trouble Shooting Manual 排故手册 COMMUNICATIONS 通讯2(26)
