R **ON A/C 002-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
TASK 23-51-00-810-812
Loss of the Data from the Fourth Occupant ACP to the AMU
1. Possible Causes
_______________
- ACP-4TH OCCPNT (2RN5)
- AMU (1RN)
- wiring from Fourth Occupant ACP (2RN5) to AMU (1RN)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 23-51-00-740-002 BITE Test of the Audio System AMM 23-51-12-000-001 Removal of the Audio Control Panel (ACP) (2RN1, 2RN2, 2RN3, 2RN4, 2RN5) AMM 23-51-12-400-001 Installation of the Audio Control Panel (ACP) (2RN1,
2RN2, 2RN3, 2RN4, 2RN5) AMM 23-51-34-000-001 Removal of the Audio Management Unit (AMU) (1RN) AMM 23-51-34-400-001 Installation of the Audio Management Unit (AMU) (1RN) ASM 23-51/08
3. Fault Confirmation
__________________
A. Test Do the BITE test of the AMU-ACP (Ref. AMM TASK 23-51-00-740-002).
4. Fault Isolation
_______________
A. If the test gives the maintenance message ACP5(2RN5)/AMU(1RN):
- replace the ACP-4TH OCCPNT (2RN5) (Ref. AMM TASK 23-51-12-000-001) and (Ref. AMM TASK 23-51-12-400-001).
(1) If the fault continues:
- replace the AMU (1RN) (Ref. AMM TASK 23-51-34-000-001) and (Ref. AMM TASK 23-51-34-400-001).
(a) If the fault continues:
- do a check and repair the wiring from Fourth Occupant ACP (2RN5) to AMU (1RN) of the DATA OUT signal (from pins A/H, G to pins AB/14E, 13E) (Ref. ASM 23-51/08).
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 : 002-049, 053-099, 101-149, 151-199, ∞∞23-51-00∞∞∞∞∞∞∞∞∞∞Page 223
201-299, 301-399, 401-499, Aug 01/05 CES
**ON A/C ALL
TASK 23-51-00-810-813
Loss of the Data from the AMU to the Captain ACP
1. Possible Causes
_______________
- ACP-CAPT (2RN1)
- AMU (1RN)
- wiring from AMU (1RN) to Captain ACP (2RN1)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-51-00-740-002 BITE Test of the Audio System AMM 23-51-12-000-001 Removal of the Audio Control Panel (ACP) (2RN1, 2RN2, 2RN3, 2RN4, 2RN5) AMM 23-51-12-400-001 Installation of the Audio Control Panel (ACP) (2RN1,
2RN2, 2RN3, 2RN4, 2RN5) AMM 23-51-34-000-001 Removal of the Audio Management Unit (AMU) (1RN) AMM 23-51-34-400-001 Installation of the Audio Management Unit (AMU) (1RN) ASM 23-51/02
3. Fault Confirmation
__________________
A. Test Do the BITE test of the AMU-ACP (Ref. AMM TASK 23-51-00-740-002).
4. Fault Isolation
_______________
A. If the test gives the maintenance message NO DATA FROM AMU TO ACP 1:
- replace the ACP-CAPT (2RN1) (Ref. AMM TASK 23-51-12-000-001) and (Ref. AMM TASK 23-51-12-400-001).
(1) If the fault continues:
- replace the AMU (1RN) (Ref. AMM TASK 23-51-34-000-001) and (Ref. AMM TASK 23-51-34-400-001).
(a) If the fault continues:
- do a check and repair the wiring from AMU (1RN) to Captain ACP (2RN1) of the DATA OUTPUT CARD 1 signal (from pins AB/12A, 11A to pins A/K, J) (Ref. ASM 23-51/02).
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 ∞∞23-51-00∞∞∞∞∞∞∞∞∞∞Page 224
Nov 01/04R CES
TASK 23-51-00-810-814
Loss of the Data from the AMU to the First Officer ACP
1. Possible Causes
_______________
- ACP-F/O (2RN2)
- AMU (1RN)
- wiring from AMU (1RN) to First Officer ACP (2RN2)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-51-00-740-002 BITE Test of the Audio System AMM 23-51-12-000-001 Removal of the Audio Control Panel (ACP) (2RN1, 2RN2, 2RN3, 2RN4, 2RN5) AMM 23-51-12-400-001 Installation of the Audio Control Panel (ACP) (2RN1,
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