1. Possible Causes
R Loss of the ATC2 Data to the TCAS _______________
- CMPTR-TCAS (1SG)
- wiring of the XT COORD-2 bus from the TCAS computer (1SG) to the ATC/MODE S transponder 2 (1SH2)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 34-43-00-740-001 BITE Test of the TCAS
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 ATC2 (1SH2)/TCAS (1SG):
- 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:
- do a check and repair the wiring of the XT COORD-2 bus from the TCAS computer (1SG) to the ATC/MODE S transponder 2 (1SH2): from pins AE/14H, 14J to pins AA/5G, 5H (Ref. ASM 34-43/01).
B. Do the test given in Para. 3.
R Loss of the ATC1 and ATC2 Data to the TCAS
1. Possible Causes
_______________
- CMPTR-TCAS (1SG)
- CTL UNIT-ATC/TCAS (3SH)
- XPDR-ATC/MODE S, 1 (1SH1)
- XPDR-ATC/MODE S, 2 (1SH2)
- wiring of the XT COORD-1 bus from the TCAS computer (1SG) to the ATC/Mode S transponder 1 (1SH1)
- wiring of the XT COORD-2 bus from the TCAS computer (1SG) to the ATC/Mode S transponder 2 (1SH2)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 34-43-00-740-001 BITE Test of the TCAS
AMM 34-43-34-000-001 Removal of the TCAS Computer (1SG)
AMM 34-43-34-400-001 Installation of the TCAS Computer (1SG)
AMM 34-52-00-740-004 BITE Test of the ATC
AMM 34-52-12-000-001 Removal of the ATC/TCAS Control Unit (3SH)
AMM 34-52-12-400-001 Installation of the ATC/TCAS Control Unit (3SH)
AMM 34-52-33-000-001 Removal of the ATC/Mode S Transponder (1SH1, 1SH2)
AMM 34-52-33-400-001 Installation of the ATC/Mode S Transponder
(1SH1,1SH2)
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
_______________
**ON A/C 001-049, 051-099, 101-105, 151-199,
A. If the test gives the maintenance messages ATC1 (1SH1)/TCAS (1SG) and ATC2 (1SH2)/TCAS (1SG):
- do the BITE test of the ATC (Ref. AMM TASK 34-52-00-740-004).
(1) If the test gives a maintenance message:
- Do the trouble shooting procedure related to the maintenance message.
「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 239
Aug 01/05 CES (2) If the test does not give a maintenance message:
- replace the CMPTR-TCAS (1SG) (Ref. AMM TASK 34-43-34-000-001) and (Ref. AMM TASK 34-43-34-400-001).
(a) If the fault continues:
- replace the CTL UNIT-ATC/TCAS (3SH) (Ref. AMM TASK 34-52-12-000-001) and (Ref. AMM TASK 34-52-12-400-001).
(b) If the fault continues:
- replace the XPDR-ATC/MODE S, 1 (1SH1) and the XPDR-ATC/MODE S,2 (1SH2) (Ref. AMM TASK 34-52-33-000-001) and (Ref. AMM TASK 34-52-33-400-001).
1 If the fault continues:
_
- do a check and repair the wiring of the XT COORD-1 bus from the TCAS computer (1SG) to the ATC/Mode S transponder 1 (1SH1): pins AE/14F, 14G to pins AA/5G, 5H
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