3. Fault Confirmation
__________________
 A. Test
 (1) Not applicable, the fault is evident.
 4. Fault Isolation
_______________
 A. If the BITE test of the DME 1 cannot be started on the MCDU:
 - replace the INTRG-DME, 1 (2SD1) (Ref. AMM TASK 34-51-33-000-001) and (Ref. AMM TASK 34-51-33-400-001).
 (1) If the fault continues:
 - replace the LGCIU-1 (5GA1) (Ref. AMM TASK 32-31-71-000-001) and (Ref. AMM TASK 32-31-71-400-001).
 (a) If the fault continues:
 - do a check and repair the wiring of the GND/AIR LOGIC discrete from the DME interrogator 1 (2SD1) to the LGCIU 1 (5GA1) (Ref. ASM 34-51/01).
 B. Do the BITE test of the DME (Ref. AMM TASK 34-51-00-740-002).
 「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 ∞∞34-51-00∞∞∞∞∞∞∞∞∞∞Page 236
 Feb 01/05R CES

 BITE Test of the DME 2 Inoperative
 1. Possible Causes
_______________
 - INTRG-DME, 2 (2SD2)

 - LGCIU-2 (5GA2)

 - wiring of the GND/AIR LOGIC discrete from the DME interrogator 2 (2SD2) to the LGCIU 2 (5GA2)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 32-31-71-000-001 Removal of the LGCIU (5GA1, 5GA2)
 AMM 32-31-71-400-001 Installation of the LGCIU (5GA1, 5GA2)
 AMM 34-51-00-740-002 BITE Test of the DME
 AMM 34-51-33-000-001 Removal of the DME Interrogator (2SD1,2SD2)
 AMM 34-51-33-400-001 Installation of the DME Interrogator (2SD1,2SD2)
 ASM 34-51/01

 3. Fault Confirmation
__________________
 A. Test
 (1) Not applicable, the fault is evident.
 4. Fault Isolation
_______________
 A. If the BITE test of the DME 2 cannot be started on the MCDU:
 - replace the INTRG-DME, 2 (2SD2) (Ref. AMM TASK 34-51-33-000-001) and (Ref. AMM TASK 34-51-33-400-001).
 (1) If the fault continues:
 - replace the LGCIU-2 (5GA2) (Ref. AMM TASK 32-31-71-000-001) and (Ref. AMM TASK 32-31-71-400-001).
 (a) If the fault continues:
 - do a check and repair the wiring of the GND/AIR LOGIC discrete from the DME interrogator 2 (2SD2) to the LGCIU 2 (5GA2) (Ref. ASM 34-51/01).
 B. Do the BITE test of the DME (Ref. AMM TASK 34-51-00-740-002).
 「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 ∞∞34-51-00∞∞∞∞∞∞∞∞∞∞Page 237
 Feb 01/05R CES

 Loss of the Audio Signal from the DME Interrogator 1
 1. Possible Causes
_______________
 - INTRG-DME, 1 (2SD1)

 - AMU (1RN)

 - wiring of the DME 1 AUDIO bus from the AMU (1RN) to the DME interrogator 1 (2SD1)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
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)
 AMM 34-51-00-710-001 Operational Test of the DME
 AMM 34-51-33-000-001 Removal of the DME Interrogator (2SD1,2SD2)
 AMM 34-51-33-400-001 Installation of the DME Interrogator (2SD1,2SD2)
 ASM 34-51/01

 3. Fault Confirmation
__________________
 A. Test
 (1) Do the operational test of the DME (Ref. AMM TASK 34-51-00-710-001).
 4. Fault Isolation
_______________
 A. If there is no audio signal on the loud speakers during the test, when the DME 1 data are shown on the ND:
 - replace the INTRG-DME, 1 (2SD1) (Ref. AMM TASK 34-51-33-000-001) and (Ref. AMM TASK 34-51-33-400-001).
 (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 of the DME 1 AUDIO bus from the AMU (1RN) to the DME interrogator 1 (2SD1) (Ref. ASM 34-51/01).
 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 ∞∞34-51-00∞∞∞∞∞∞∞∞∞∞Page 238
　
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