4. Fault Isolation
_______________
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
A. If the test gives the maintenance message DMC 3 : NO VOR 2 DATA:
- replace the RECEIVER-VOR/MKR, 2 (3RS2) (Ref. AMM TASK 34-55-31-000-001) and (Ref. AMM TASK 34-55-31-400-001).
(1) If the fault continues:
- do a check and repair the wiring of the OMNI BEARING OUTPUT 2 bus from the VOR/MKR receiver 2 (3RS2) to the first terminal block (Ref. ASM 34-55/01).
R **ON A/C 106-149, 303-399, 401-499,
A. If the test gives the maintenance message DMC 3 : VOR2(3RS2)/DMC3(1WT3)
- replace the RECEIVER-VOR/MKR, 2 (3RS2) (Ref. AMM TASK 34-55-31-000-001) and (Ref. AMM TASK 34-55-31-400-001).
(1) If the fault continues:
- do a check and repair the wiring of the OMNI BEARING OUTPUT 2 bus from the VOR/MKR receiver 2 (3RS2) to the first terminal block (Ref. ASM 34-55/01).
**ON A/C ALL
B. Do the test given in Para. 3.B.
Loss of the VOR 2 Data Bus Identified by the CFDS
1. Possible Causes
_______________
- RECEIVER-VOR/MKR, 2 (3RS2)
- wiring of the OMNI BEARING OUTPUT 2 bus from the VOR/MKR receiver 2 (3RS2) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 31-32-00-869-002 Procedure for Class 3 Faults Reading
AMM 34-55-31-000-001 Removal of the VOR/MKR Receiver (3RS1, 3RS2)
AMM 34-55-31-400-001 Installation of the VOR/MKR Receiver (3RS1, 3RS2)
ASM 34-55/01
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU COM NAV/VOR/2 2RS2 K08
B. Test On the CFDS MENU page, get access to the AVIONICS STATUS page (Ref. AMM TASK 31-32-00-869-002).
4. Fault Isolation
_______________
A. If the test gives the maintenance message NO VOR 2 DATA:
- replace the RECEIVER-VOR/MKR, 2 (3RS2) (Ref. AMM TASK 34-55-31-000-001) and (Ref. AMM TASK 34-55-31-400-001).
(1) If the fault continues:
- do a check and repair the wiring of the OMNI BEARING OUTPUT 2 bus from the VOR/MKR receiver 2 (3RS2) to the first terminal block (Ref. ASM 34-55/01).
B. Do the test given in Para. 3.B.
「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 ∞∞34-55-00∞∞∞∞∞∞∞∞∞∞Page 219
Feb 01/05R CES
VOR 1 System Inoperative
1. Possible Causes
_______________
- RECEIVER-VOR/MKR, 1 (3RS1)
- DMC-1 (1WT1)
- DMC-3 (1WT3)
- DMC-2 (1WT2)
- wiring of the OMNI BEARING AND SIGNAL MKR OUTPUT 2 bus from the VOR/MKR receiver 1 (3RS1) to the first terminal block
- wiring of the VOR 1/MKR INPUT bus from the DMC 1 (1WT1) to the first terminal block
- wiring of the VOR 1/MKR INPUT bus from the DMC 3 (1WT3) to the first terminal block
- wiring of the VOR 1/MKR INPUT bus from the DMC 2 (1WT2) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 31-63-34-000-001 Removal of the DMC (1WT1,1WT2,1WT3)
AMM 31-63-34-400-001 Installation of the DMC (1WT1,1WT2,1WT3)
AMM 34-55-00-720-001 Functional Test of the VOR/MKR
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320 Trouble Shooting Manual 排故手冊 導航 NAVIGATION 3(148)
