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 1 : NO VOR 1 DATA:
- replace the RECEIVER-VOR/MKR, 1 (3RS1) (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 AND SIGNAL MKR OUTPUT 2 bus from the VOR/MKR receiver 1 (3RS1) 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 1 : VOR1(3RS1)/DMC1(1WT1)
- replace the RECEIVER-VOR/MKR, 1 (3RS1) (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 AND SIGNAL MKR OUTPUT 2 bus from the VOR/MKR receiver 1 (3RS1) 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 1 Data Bus Identified by the EIS 2
1. Possible Causes
_______________
- RECEIVER-VOR/MKR, 1 (3RS1)
- wiring of the OMNI BEARING AND SIGNAL MKR OUTPUT 2 bus from the VOR/MKR receiver 1 (3RS1) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 31-60-00-740-002 EIS Input Test AMM 31-60-00-740-007 GROUND SCANNING Test of the DMC 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 -------------------------------------------------------------------------------49VU NAV/VOR/1 2RS1 G13
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
B. Test
(1) Do the EIS input test (Ref. AMM TASK 31-60-00-740-002). R **ON A/C 106-149, 303-399, 401-499,
B. Test
(1) Do the Ground Scanning Test of the DMC (Ref. AMM TASK 31-60-00-740-007).
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 2 : NO VOR 1 DATA:
- replace the RECEIVER-VOR/MKR, 1 (3RS1) (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 AND SIGNAL MKR OUTPUT 2 bus from the VOR/MKR receiver 1 (3RS1) 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 2 : VOR1(3RS1/DMC2(1WT2)
- replace the RECEIVER-VOR/MKR, 1 (3RS1) (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 AND SIGNAL MKR OUTPUT 2 bus from the VOR/MKR receiver 1 (3RS1) 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 1 Data Bus Identified by the EIS 3
1. Possible Causes
_______________
- RECEIVER-VOR/MKR, 1 (3RS1)
- wiring of the OMNI BEARING AND SIGNAL MKR OUTPUT 2 bus from the VOR/MKR receiver 1 (3RS1) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
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本文鏈接地址：A320 Trouble Shooting Manual 排故手冊 導航 NAVIGATION 3(145)
