3. Fault Confirmation
__________________
A. Test
- Do the GROUND SCANNING test of the DMC2 (Ref. AMM TASK 31-60-00-740-007)
4. Fault Isolation
_______________
A. If the GROUND SCANNING test gives the maintenance message DMC1(1WT1)/DMC2 (1WT2):
- replace the DMC-1 (1WT1) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001)
(1) If the fault continues:
- replace the DMC-2 (1WT2) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001)
(a) If the fault continues:
- check and repair the wiring from the pins AB/11J and AB/11K of the DMC1 to the pins AE/12B and AE/12C of the DMC2 (Ref. ASM 31-61/00)
B. Do the test given in Para. 3.
「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, ∞∞31-63-82∞∞∞∞∞∞∞∞∞∞Page 256
Aug 01/05 CES Loss of the Crossload Bus from the DMC1 to the DMC3
1. Possible Causes
_______________
- DMC-1 (1WT1)
- DMC-3 (1WT3)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-007 GROUND SCANNING Test of the DMC
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 GROUND SCANNING test of the DMC3 (Ref. AMM TASK 31-60-00-740-007)
4. Fault Isolation
_______________
A. If the GROUND SCANNING test gives the maintenance message DMC1(1WT1)/DMC3 (1WT3):
- replace the DMC-1 (1WT1) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001)
(1) If the fault continues:
- replace the DMC-3 (1WT3) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001)
(a) If the fault continues:
- check and repair the wiring from the pins AB/11J and AB/11K of the DMC1 to the pins AE/13B and AE/13C of the DMC3 (Ref. ASM 31-61/00)
B. Do the test given in Para. 3.
「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, ∞∞31-63-82∞∞∞∞∞∞∞∞∞∞Page 257
Aug 01/05 CES Blank Screen on the CAPT PFD DU
1. Possible Causes
_______________
- PFD-CAPT (2WT1)
- EIS/PFD/CAPT/SPLY (11WT1)
- EIS/PFD CAPT/SWTG (22WT1)
- POT-PFD, CAPT (7WT1)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-860-001 EIS Start Procedure AMM 31-60-00-860-002 EIS Stop Procedure 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) ASM 31-61/02
3. Fault Confirmation
__________________
A. Job Set-up
- Do the EIS start procedure (Ref. AMM TASK 31-60-00-860-001).
4. Fault Isolation
_______________
A. If the operational image is shown on the CAPT PFD :
- no maintenance action is necessary.
B. If a maintenance message is shown on a black screen
- do the fault isolation procedure relative to this message.
C. If a blank screen is shown on the CAPT PFD DU:
- replace the PFD-CAPT (2WT1) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001).
(1) If the fault continues:
(a) Do a check for 115VAC at pin AA-79 of the CAPT PFD DU (Ref. ASM 31-61/02)
1_ If there is no 115VAC:
- check the wiring from the PFD CAPT SPLY-C/B (11WT1) to the
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