- DMC-1 (1WT1)
- DMC-2 (1WT2)
- DMC-3 (1WT3)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-720-002 Operational Test of the DMC/DU data bus
AMM 31-63-22-000-001 Removal of the Display Unit
(2WT1,2WT2,3WT1,3WT2,4WT1,4WT2)
AMM 31-63-22-400-001 Installation of the Display Unit
(2WT1,2WT2,3WT1,3WT2,4WT1,4WT2)
AMM 31-63-34-000-001 Removal of the DMC (1WT1,1WT2,1WT3)
AMM 31-63-34-400-001 Installation of the DMC (1WT1,1WT2,1WT3)
ASM 31-61/00
3. Fault Confirmation
__________________
A. Test Do the operational test of the DMC/DU Data Bus (Ref. AMM TASK 31-60-00-720-002)
4. Fault Isolation
_______________
A. If the test gives:
(1) the maintenance message DU PFD CAPT(2WT1)/WRG: DMC1 BUS DATA TO PFDCAPT
- replace the PFD-CAPT (2WT1) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001)
(a) If the fault continues:
- check the wiring between the DMC1 and the CAPT PFD DU (2WT1) (Ref. ASM 31-61/00)
1 if the wiring is correct:
_
- replace the DMC-1 (1WT1) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001)
「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 : 401-499, ∞∞31-63-81∞∞∞∞∞∞∞∞∞∞Page B269
Aug 01/05 CES
(2) the maintenance message DU PFD CAPT(2WT1)/WRG: DMC2 BUS DATA TO PFDCAPT
- replace the PFD-CAPT (2WT1) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001)
(a) If the fault continues:
- check the wiring between the DMC2 and the CAPT PFD DU (2WT1) (Ref. ASM 31-61/00)
(3) the maintenance message DU PFD CAPT(2WT1)/WRG: DMC3 BUS DATA TO PFDCAPT
1_ if the wiring is correct:
- replace the DMC-2 (1WT2) (Ref. AMM TASK 31-63-34-000-001)
and (Ref. AMM TASK 31-63-34-400-001)
- replace the PFD-CAPT (2WT1) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001)
(a) If the fault continues:
- check the wiring between the DMC3 and the CAPT PFD DU (2WT1) (Ref. ASM 31-61/00)
1 if the wiring is correct:
_
- replace the DMC-3 (1WT3) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001)
B. do the test given in Para. 3.
Failure of the A629 BUS detected by the CAPT ND DU
1. Possible Causes
_______________
- ND-CAPT (3WT1)
- DMC-1 (1WT1)
- DMC-3 (1WT3)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-720-002 Operational Test of the DMC/DU data bus AMM 31-63-22-000-001 Removal of the Display Unit (2WT1,2WT2,3WT1,3WT2,4WT1,4WT2) AMM 31-63-22-400-001 Installation of the Display Unit
(2WT1,2WT2,3WT1,3WT2,4WT1,4WT2) AMM 31-63-34-000-001 Removal of the DMC (1WT1,1WT2,1WT3) AMM 31-63-34-400-001 Installation of the DMC (1WT1,1WT2,1WT3) ASM 31-61/00
3. Fault Confirmation
__________________
A. Test Do the operational test of the DMC/DU Data Bus (Ref. AMM TASK 31-60-00-720-002)
4. Fault Isolation
_______________
A. If the test gives:
(1) the maintenance message DU ND CAPT(3WT1)/WRG: DMC1 BUS DATA TO NDCAPT
- replace the ND-CAPT (3WT1) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001)
(a) If the fault continues:
- check the wiring between the DMC1 and the CAPT ND DU (3WT1) (Ref. ASM 31-61/00)
1 if the wiring is correct:
_
- replace the DMC-1 (1WT1) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001) (2) the maintenance message DU ND CAPT(3WT1)/WRG: DMC3 BUS DATA TO NDCAPT
- replace the ND-CAPT (3WT1) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001)
(a) If the fault continues:
- check the wiring between the DMC3 and the CAPT ND DU (3WT1) (Ref. ASM 31-61/00)
1 if the wiring is correct:
_
- replace the DMC-3 (1WT3) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001) 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 指示和记录系统 3(77)
