(2) If there is continuity:
- make sure that there is discontinuity between the core and the shield of the coaxial cable.
(a) If there is continuity:
- repair the related coaxial cable.
「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 217
Aug 01/05 CES (b) If there is no continuity:
- replace the CMPTR-TCAS (1SG) (Ref. AMM TASK 34-43-34-000-001) and (Ref. AMM TASK 34-43-34-400-001).
1 If the fault continues:
_
- replace the ANTENNA-TCAS, TOP (7SG1) (Ref. AMM TASK 34-43-11-000-001) and (Ref. AMM TASK 34-43-11-400-001).
B. Do the test given in Para. 3.
Failure of the Coaxial Cable J2 of the TCAS Top Antenna
1. Possible Causes
_______________
- CMPTR-TCAS (1SG)
- ANTENNA-TCAS, TOP (7SG1)
- coaxial cable J2 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 J2:
- do a check of the coaxial cable J2 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.
(2) If there is continuity:
- make sure that there is discontinuity between the core and the shield of the coaxial cable.
(a) If there is continuity:
- repair the related coaxial cable.
(b) If there is no continuity:
- replace the CMPTR-TCAS (1SG) (Ref. AMM TASK 34-43-34-000-001) 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 219
Aug 01/05 CES 1 If the fault continues:
_
- replace the ANTENNA-TCAS, TOP (7SG1) (Ref. AMM TASK 34-43-11-000-001) and (Ref. AMM TASK 34-43-11-400-001).
B. Do the test given in Para. 3.
Failure of the Coaxial Cable J3 of the TCAS Top Antenna
1. Possible Causes
_______________
- CMPTR-TCAS (1SG)
- ANTENNA-TCAS, TOP (7SG1)
- coaxial cable J3 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 J3:
- do a check of the coaxial cable J3 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.
(2) If there is continuity:
- make sure that there is discontinuity between the core and the shield of the coaxial cable.
(a) If there is continuity:
- repair the related coaxial cable.
(b) If there is no continuity:
- replace the CMPTR-TCAS (1SG) (Ref. AMM TASK 34-43-34-000-001) and (Ref. AMM TASK 34-43-34-400-001).
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