B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
49VU AUTO FLT/MCDU/1 11CA1 B01 121VU CFDS/CFDIU/SPLY 2TW J18 R
R **ON A/C ALL
R Post SB 31-1163 For A/C 155-156,208-209,
R 121VU CFDS/CFDIU/BACK/UP 8TW J17
「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 ∞∞22-82-00∞∞∞∞∞∞∞∞∞∞Page 221
Feb 01/05 CES
R **ON A/C ALL
C. Test
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the center pedestal, on the On the center pedestal, on the MCDU 1: MCDU 1:
- push the MCDU MENU mode key. The MCDU MENU page comes into view.
- push the line key adjacent to The CFDS MENU page comes into view. the CFDS indication.
4. Fault Isolation
_______________
A. If the CFDS MENU page does not come into view:
- replace the MCDU-1 (3CA1) (Ref. AMM TASK 22-82-12-000-001) and (Ref. AMM TASK 22-82-12-400-002).
(1) If the fault continues:
- do a check and repair the wiring of the MAINTENANCE RECEIVER bus from the MCDU 1 (3CA1) to the first terminal block (Ref. ASM 22-86/04).
B. Do the test given in Para. 3.C.
5. Close-up
________
A. Put the aircraft back to its initial configuration.
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
Loss of Communication with the CFDS through the MCDU 2
1. Possible Causes
_______________
- MCDU-2 (3CA2)
- wiring of the MAINTENANCE RECEIVER bus from the MCDU 2 (3CA2) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 22-82-12-000-001 Removal of the MCDU (3CA1,3CA2,3CA3)
AMM 22-82-12-400-002 Installation of the MCDU (3CA1,3CA2,3CA3)
AMM 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
External Power AMM 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power ASM 22-86/04
3. Fault Confirmation
__________________
A. Job Set-up
(1) Aircraft Maintenance Configuration
(a) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(b) Make sure that the ventilation of the electronics racks is in operation.
B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU CFDS/CFDIU/SPLY 2TW J18 R 121VU AUTO FLT/MCDU/2 11CA2 N20
R **ON A/C ALL
R Post SB 31-1163 For A/C 155-156,208-209,
R 121VU CFDS/CFDIU/BACK/UP 8TW J17
「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 ∞∞22-82-00∞∞∞∞∞∞∞∞∞∞Page 223
Feb 01/05 CES
R **ON A/C ALL
C. Test
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the center pedestal, on the On the center pedestal, on the MCDU 2: MCDU 2:
- push the MCDU MENU mode key. The MCDU MENU page comes into view.
- push the line key adjacent to The CFDS MENU page comes into view. the CFDS indication.
4. Fault Isolation
_______________
A. If the CFDS MENU page does not come into view:
- replace the MCDU-2 (3CA2) (Ref. AMM TASK 22-82-12-000-001) and (Ref. AMM TASK 22-82-12-400-002).
(1) If the fault continues:
- do a check and repair the wiring of the MAINTENANCE RECEIVER bus from the MCDU 2 (3CA2) to the first terminal block (Ref. ASM 22-86/04).
B. Do the test given in Para. 3.C.
5. Close-up
________
A. Put the aircraft back to its initial configuration.
(1) De-energize the aircraft electrical circuits
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本文链接地址：A320 Trouble Shooting Manual 排故手册 AUTO FLIGHT 自动飞行2(54)
