3. Fault Confirmation
__________________
 A. Test Do the operational test of the central warning systems (SDAC) (Ref. AMM TASK 31-50-00-710-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message SDAC1 : NO DATA FROM EGIU1-1:
 - replace the SDAC-1 (1WV1), (Ref. AMM TASK 31-55-34-000-001) and (Ref. AMM TASK 31-55-34-400-001).
 (1) If the fault continues:
 - replace the EGIU-1 (22XU1), (Ref. AMM TASK 24-22-33-000-001) and (Ref. AMM TASK 24-22-33-400-002).
 (a) If the fault continues:
 - do a check and repair the wiring from the SDAC 1 (1WV1) to the EGIU 1 (22XU1) from pins AB/10G, 10H to pins AA/1A, 1B (Ref. ASM 31-54/03).
 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 : 001-049, 051-099, 101-105, 151-199, ∞∞31-54-00∞∞∞∞∞∞∞∞∞∞Page A203
 201-228, 301-302, Aug 01/05 CES Loss of the GCU 1/EGIU 1 Bus of the SDAC 2

 1. Possible Causes
_______________
 - SDAC-2 (1WV2)

 - EGIU-1 (22XU1)

 - wiring from the SDAC 2 (1WV2) to the EGIU 1 (22XU1)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 24-22-33-000-001 Removal of the EGIU-1(2) (22XU1, 22XU2)
 AMM 24-22-33-400-002 Installation of the EGIU-1(2) (22XU1, 22XU2)
 AMM 31-50-00-710-001 Ground Scanning of the Central Warning System
 AMM 31-55-34-000-001 Removal of the SDAC (1WV1,1WV2)
 AMM 31-55-34-400-001 Installation of the SDAC (1WV1,1WV2)
 ASM 31-54/03

 3. Fault Confirmation
__________________
 A. Test Do the operational test of the central warning systems (SDAC) (Ref. AMM TASK 31-50-00-710-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message SDAC2 : NO DATA FROM EGIU1-1:
 - replace the SDAC-2 (1WV2), (Ref. AMM TASK 31-55-34-000-001) and (Ref. AMM TASK 31-55-34-400-001).
 (1) If the fault continues:
 - replace the EGIU-1 (22XU1), (Ref. AMM TASK 24-22-33-000-001) and (Ref. AMM TASK 24-22-33-400-002).
 (a) If the fault continues:
 - do a check and repair the wiring from the SDAC 2 (1WV2) to the EGIU 1 (22XU1) from pins AB/10G, 10H to pins AA/1C, 1D (Ref. ASM 31-54/03).
 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 : 001-049, 051-099, 101-105, 151-199, ∞∞31-54-00∞∞∞∞∞∞∞∞∞∞Page A204
 201-228, 301-302, Aug 01/05 CES Loss of the GPCU/EGIU 1 Bus of the SDAC 1

 1. Possible Causes
_______________
 - SDAC-1 (1WV1)

 - EGIU-1 (22XU1)

 - wiring from the SDAC 1 (1WV1) to the EGIU 1 (22XU1)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 24-22-33-000-001 Removal of the EGIU-1(2) (22XU1, 22XU2)
 AMM 24-22-33-400-002 Installation of the EGIU-1(2) (22XU1, 22XU2)
 AMM 31-50-00-710-001 Ground Scanning of the Central Warning System
 AMM 31-55-34-000-001 Removal of the SDAC (1WV1,1WV2)
 AMM 31-55-34-400-001 Installation of the SDAC (1WV1,1WV2)
 ASM 31-54/03

 3. Fault Confirmation
__________________
 A. Test Do the operational test of the central warning system (SDAC) (Ref. AMM TASK 31-50-00-710-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message SDAC1 : NO DATA FROM EGIU1-2:
 - replace the SDAC-1 (1WV1), (Ref. AMM TASK 31-55-34-000-001) and (Ref. AMM TASK 31-55-34-400-001).
 (1) If the fault continues:
 - replace the EGIU-1 (22XU1), (Ref. AMM TASK 24-22-33-000-001) and (Ref. AMM TASK 24-22-33-400-002).
 (a) If the fault continues:
 - do a check and repair the wiring from the SDAC 1 (1WV1) to the EGIU 1 (22XU1) from pins AE/10A, 10B to pins AB/13A, 13B (Ref. ASM 31-54/03).
 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 : 001-049, 051-099, 101-105, 151-199, ∞∞31-54-00∞∞∞∞∞∞∞∞∞∞Page A205
　
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