- repair the wiring.
(2) If the wiring is correct:
- replace the ND-F/O (3WT2) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001).
B. Do the test given in Para. 3.
R **ON A/C 401-499,
A. If the test gives the maintenance message WRG: PIN PROG/DU ND FO(3WT2)
- do a check for ground signals at F/O ND (3WT2) connector AA (Ref. AWM 31-68-06).
(1) If the wiring is not correct:
- repair the wiring.
(2) If the wiring is correct:
- replace the ND-F/O (3WT2) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001).
B. Do the test given in Para. 3.
TASK 31-63-81-810-820
Failure of the F/O PFD Pin Programming
1. Possible Causes
_______________
- PFD-F/O (2WT2)
- ground signals at F/O PFD (2WT2) connector AA
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-002 EIS Input Test
AMM 31-60-00-740-004 EIS System Test
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)
AWM 31-68-06
3. Fault Confirmation
__________________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
A. Test
Do the EIS input test (Ref. AMM TASK 31-60-00-740-002).
R **ON A/C 401-499,
A. Test
Do the EIS system test (Ref. AMM TASK 31-60-00-740-004).
4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
A. If the test gives the maintenance message:
DMC2: DU PFD2 POS PIN
- do a check for ground signals at F/O PFD (2WT2) connector AA (Ref. AWM 31-68-06).
(1) If the wiring is incorrect:
- repair the wiring.
(2) If the wiring is correct:
- replace the PFD-F/O (2WT2) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001).
B. Do the test given in Para. 3.
R **ON A/C 401-499,
A. If the test gives the maintenance message WRG: PIN PROG/DU PFD FO(2WT2)
- do a check for ground signals at F/O PFD (2WT2) connector AA (Ref. AWM 31-68-06).
(1) If the wiring is not correct:
- repair the wiring.
(2) If the wiring is correct:
- replace the PFD-F/O (2WT2) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001).
B. Do the test given in Para. 3.
R **ON A/C ALL
TASK 31-63-81-810-821
Failure of the F/O ND Detected by the DMC2
1. Possible Causes
_______________
- DMC-2 (1WT2)
- ND-F/O (3WT2)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-002 EIS Input Test
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 31-61/04
3. Fault Confirmation
__________________
A. Test
Do the EIS input test (Ref. AMM TASK 31-60-00-740-002).
4. Fault Isolation
_______________
A. If the test gives the maintenance message DMC2 : DU ND2 LINK:
- on the panel 500VU, push the F/O PFD/ND XFR pushbutton switch (9WT2) to get the ND image on the F/O PFD
- do the test given in Para. 3.
(1) If this test gives the maintenance message DMC2 : DU ND2 LINK:
- 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:
- do a check of the wiring from DMC2 (1WT2) pins AB/10B, 10C to the first terminal block (Ref. ASM 31-61/04).
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本文链接地址：A320 Trouble Shooting Manual 排故手册 指示和记录系统 3(8)
