- 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 31-63-81-810-850
 Failure of the F/O ND Detected by the DMC3
 1. Possible Causes
_______________
 - DMC-3 (1WT3)

 - 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: DMC3-DU ND2 LINK - on the panel 500VU, push the F/O PFD/ND XFR pushbutton switch (9WT2)
 - do the test given in Para. 3.
 (1) If this test gives the maintenance message:
 DMC3-DU ND2 LINK

 - 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:
 - do a check of the wiring from DMC2 (1WT2) pins AB/9B, 9C to the first terminal block (Ref. ASM 31-61/04).
 「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 ∞∞31-63-81∞∞∞∞∞∞∞∞∞∞Page A200
 Feb 01/05 CES 1 If there is no continuity:

_ - repair the wiring.

 2 If there is continuity:
_

 - do a check of the wiring from DMC2 (1WT2) pins AB/9D, 9E to the first terminal block (Ref. ASM 31-61/04).
 a If there is no continuity:
_ - repair the wiring.

 b If there is continuity:
_

 - do a check and repair the wiring from the DMC2 (1WT2) to the DMC3 (1WT3): . pins AB/9F, 9G to pins AB/10D, 10E . pins AB/9H, 9J to pins AB/10B, 10C (Ref. ASM 31-61/04).
 (2) If this test gives no maintenance message:
 - replace the ND-F/O (3WT2) (Ref. AMM TASK 31-63-22-000-001) and (Ref. AMM TASK 31-63-22-400-001).
 (a) If the fault continues:
 - do a check of the wiring from F/O ND (3WT2) pins AA/35, 36 to the first terminal block (Ref. ASM 31-61/04).
 1 If there is no continuity:
_ - repair the wiring.

 2 If there is continuity:
_

 - do a check and repair the wiring from F/O ND (3WT2) pins AA/38, 39 to the first terminal block (Ref. ASM 31-61/04).
 B. Do the test given in Para. 3.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞31-63-81∞∞∞∞∞∞∞∞∞∞Page A201
 Feb 01/05R
 CES  Failure of the F/O PFD Detected by the DMC3

 1. Possible Causes
_______________
 - DMC-3 (1WT3)

 - PFD-F/O (2WT2)

 - 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 DMC3-DU PFD2 LINK: - on the panel 500VU, push the F/O PFD/ND XFR pushbutton switch (9WT2)
 - do the test given in Para. 3.
　
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