R R (2) If the fault continues: - do a check and repair the coaxial from the VHF 2 transceiver (1RC1) to the VHF 2 antenna (4RC2) (Ref. ASM 23-12/02) and (Ref. ESPM 204416W01).
**ON A/C ALL
B. Do the test given in Para. 3.
TASK 23-12-00-810-806
Loss of the VHF 3 COMMUNICATION
1. Possible Causes
_______________
- XCVR-VHF, 3 (1RC3)
- ANTENNA-VHF, 3 (4RC3)
- coaxial from the VHF 3 transceiver (1RC3) to the VHF 3 antenna (4RC3)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R ESPM 204416W01 AMM 23-12-00-740-001 BITE Test of the VHF System AMM 23-12-11-000-001 Removal of the VHF Antennas (4RC1) and (4RC2) AMM 23-12-11-400-001 Installation of the VHF Antennas (4RC1) and (4RC2) AMM 23-12-33-000-001 Removal of the VHF Transceiver (1RC1, 1RC2, 1RC3) AMM 23-12-33-400-001 Installation of the VHF Transceiver (1RC1, 1RC2,
1RC3) ASM 23-12/03 R
3. Fault Confirmation
__________________
A. Test
(1) Do the BITE test of the VHF system (Ref. AMM TASK 23-12-00-740-001).
NOTE : Do this test for the VHF 3 only.
____
4. Fault Isolation
_______________
**ON A/C 001-049, 051-061, 101-105,
A. If the test gives the maintenance message CHECK VHF3 ANTENNA CIRCUIT:
- replace the XCVR-VHF, 3 (1RC3), (Ref. AMM TASK 23-12-33-000-001) and (Ref. AMM TASK 23-12-33-400-001).
(1) If the fault continues:
- replace the ANTENNA-VHF, 3 (4RC3), (Ref. AMM TASK 23-12-11-000-001) and (Ref. AMM TASK 23-12-11-400-001).
R R (2) If the fault continues: - do a check and repair the coaxial from the VHF 3 transceiver (1RC3) to the VHF 3 antenna (4RC3) (Ref. ASM 23-12/03) and (Ref. ESPM 204416W01).
R **ON A/C 062-099, 106-149, 151-199, 201-299, 301-399, 401-499,
A. If the test gives the maintenance message VHF3 ANTENNA (4RC3)/COAX: - replace the XCVR-VHF, 3 (1RC3), (Ref. AMM TASK 23-12-33-000-001) and (Ref. AMM TASK 23-12-33-400-001).
(1) If the fault continues: - replace the ANTENNA-VHF, 3 (4RC3), (Ref. AMM TASK 23-12-11-000-001) and (Ref. AMM TASK 23-12-11-400-001).
R R (2) If the fault continues: - do a check and repair the coaxial from the VHF 3 transceiver (1RC3) to the VHF 3 antenna (4RC3) (Ref. ASM 23-12/03) and (Ref. ESPM 204416W01).
**ON A/C ALL
B. Do the test given in Para. 3.
TASK 23-12-00-810-810
Continuous Transmission of the VHF 1 Transceiver for more than 60 s
1. Possible Causes
_______________
- XCVR-VHF, 1 (1RC1)
- AMU (1RN)
- ACP-CAPT (2RN1)
- ACP-F/O (2RN2)
- ACP-3RD OCCPNT (2RN3)
- wiring
- SW-RAD PTT, CAPT (11RN)
- RCPT-HAND MIC, CAPT (19RN1)
- SW-RAD PTT, F/O (12RN)
- RCPT-HAND MIC, F/O (19RN2)
- RCPT-HAND MIC, F/O (19RN3)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
IPC 235108
AMM 23-12-00-710-001 Operational Test of the VHF System
AMM 23-12-33-000-001 Removal of the VHF Transceiver (1RC1, 1RC2, 1RC3)
AMM 23-12-33-400-001 Installation of the VHF Transceiver (1RC1, 1RC2,
1RC3) AMM 23-51-12-000-001 Removal of the Audio Control Panel (ACP) (2RN1, 2RN2, 2RN3, 2RN4, 2RN5) AMM 23-51-12-400-001 Installation of the Audio Control Panel (ACP) (2RN1,
2RN2, 2RN3, 2RN4, 2RN5) 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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本文链接地址：A320 Trouble Shooting Manual 排故手册 COMMUNICATIONS 通讯1(62)
