R (1) If there is no continuity:
R - repair the coaxial cable (J1, J2, J3 and/or J4)
R (2) If there is continuity:
R - make sure that there is discontinuity between the core and the
R shield of the coaxial cable (J1, J2, J3 and/or J4)
R (a) If there is continuity:
R - repair the coaxial cable (J1, J2, J3 and/or J4)
R (b) If there is no continuity:
R - replace the CMPTR-TCAS (1SG) (Ref. AMM TASK 34-43-34-000-001)
R and (Ref. AMM TASK 34-43-34-400-001).
「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 ∞∞34-43-00∞∞∞∞∞∞∞∞∞∞Page 213
Aug 01/05 CES
R 1_ If the fault continues:
R - replace the ANTENNA-TCAS, TOP (7SG1) (Ref. AMM TASK 34-43-
R 11-000-001) and (Ref. AMM TASK 34-43-11-400-001).
Failure of the TCAS Bottom Antenna
1. Possible Causes
_______________
R - CMPTR-TCAS (1SG)
R - ANTENNA-TCAS, TOP (7SG1)
R - coaxial cables from the top antenna (7SG1) to the TCAS computer (1SG)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 34-43-00-740-001 BITE Test of the TCAS
AMM 34-43-11-000-001 Removal of the TCAS Antenna (7SG1, 7SG2)
AMM 34-43-11-400-001 Installation of the TCAS Antenna (7SG1, 7SG2)
R AMM 34-43-34-000-001 Removal of the TCAS Computer (1SG)
R AMM 34-43-34-400-001 Installation of the TCAS Computer (1SG)
R ASM 34-43/01
3. Fault Confirmation
__________________
A. Test Do the BITE test of the TCAS (Ref. AMM TASK 34-43-00-740-001).
4. Fault Isolation
_______________
R A. If the test gives the maintenance message TCAS BOT ANTENNA (7SG2)
R - do a check of the coaxial cables from the top antenna (7SG1) to the
R TCAS computer (1SG) (Ref. ASM 34-43/01).
R (1) If there is no continuity:
R - repair the coaxial cable (J1, J2, J3 and/or J4)
R (2) If there is continuity:
R - make sure that there is discontinuity between the core and the
R shield of the coaxial cable (J1, J2, J3 and/or J4)
R (a) If there is continuity:
R - repair the coaxial cable (J1, J2, J3 and/or J4)
R (b) If there is no continuity:
R - replace the CMPTR-TCAS (1SG) (Ref. AMM TASK 34-43-34-000-001)
R and (Ref. AMM TASK 34-43-34-400-001).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : ALL ∞∞34-43-00∞∞∞∞∞∞∞∞∞∞Page 215
Aug 01/05 CES
R 1_ If the fault continues:
R - replace the ANTENNA-TCAS, TOP (7SG1) (Ref. AMM TASK 34-43-
R 11-000-001) and (Ref. AMM TASK 34-43-11-400-001).
R
TASK 34-43-00-810-809
Failure of the Coaxial Cable J1 of the TCAS Top Antenna
1. Possible Causes
_______________
- CMPTR-TCAS (1SG)
- ANTENNA-TCAS, TOP (7SG1)
- coaxial cable J1 from the top antenna (7SG1) to the TCAS computer (1SG)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 34-43-00-740-001 BITE Test of the TCAS
AMM 34-43-11-000-001 Removal of the TCAS Antenna (7SG1, 7SG2)
AMM 34-43-11-400-001 Installation of the TCAS Antenna (7SG1, 7SG2)
AMM 34-43-34-000-001 Removal of the TCAS Computer (1SG)
AMM 34-43-34-400-001 Installation of the TCAS Computer (1SG)
ASM 34-43/01
3. Fault Confirmation
__________________
A. Test
(1) Do the BITE test of the TCAS (Ref. AMM TASK 34-43-00-740-001).
4. Fault Isolation
_______________
A. If the test gives the maintenance message TCAS TOP ANTENNA (7SG1): COAXIAL J1:
- do a check of the coaxial cable J1 from the top antenna (7SG1) to the TCAS computer (1SG) (Ref. ASM 34-43/01).
(1) If there is no continuity:
- repair the related coaxial cable. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320 Trouble Shooting Manual 排故手册 导航 NAVIGATION 3(54)
