1. Possible Causes
_______________
 - RECEIVER-ADF, 1 (2RP1)

 - wiring of the MAINTENANCE DATA INPUT bus from the ADF receiver 1 (2RP1) to the first terminal block

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 34-53-00-740-003 BITE Test of the ADF
 AMM 34-53-31-000-002 Removal of the ADF Receiver (2RP1, 2RP2)
 AMM 34-53-31-400-002 Installation of the ADF Receiver (2RP1, 2RP2)
 ASM 34-53/01

 3. Fault Confirmation
__________________
 A. Test
 (1) Do the BITE test of the ADF (Ref. AMM TASK 34-53-00-740-003).
 4. Fault Isolation
_______________
R **ON A/C 001-049, 051-051, 053-099, 101-149, 151-199, 201-299, 301-399, R 401-499,
 A. If the test gives the maintenance message CFDIU (1TW)/ADF1 (2RP1):
 - replace the RECEIVER-ADF, 1 (2RP1) (Ref. AMM TASK 34-53-31-000-002) and (Ref. AMM TASK 34-53-31-400-002).
 (1) If the fault continues:
 - do a check and repair the wiring of the MAINTENANCE DATA INPUT bus from the ADF receiver 1 (2RP1) to the first terminal block (Ref. ASM 34-53/01).

R **ON A/C 052-052,

R  A. If the test gives the maintenance message ADF1 : NO DATA FROM CFDIU: 
R  - replace the RECEIVER-ADF, 1 (2RP1) (Ref. AMM TASK 34-53-31-000-002) and 
R  (Ref. AMM TASK 34-53-31-400-002). 
R  (1) If the fault continues: 
R  - do a check and repair the wiring of the MAINTENANCE DATA INPUT bus 
R  from the ADF receiver 1 (2RP1) to the first terminal block (Ref. 
R  ASM 34-53/01). 
R  **ON A/C ALL 
R  B. Do the test given in Para. 3.

R **ON A/C 051-099, 106-149, 201-299, 301-399, 401-499,

 TASK 34-53-00-810-814
 Loss of the CFDIU Input Bus on the ADF 2
 1. Possible Causes
_______________
 - RECEIVER-ADF, 2 (2RP2)

 - wiring of the MAINTENANCE DATA INPUT bus from the ADF receiver 2 (2RP2) to the first terminal block

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 34-53-00-740-003 BITE Test of the ADF
 AMM 34-53-31-000-002 Removal of the ADF Receiver (2RP1, 2RP2)
 AMM 34-53-31-400-002 Installation of the ADF Receiver (2RP1, 2RP2)
 ASM 34-53/01

 3. Fault Confirmation
__________________
 A. Test
 (1) Do the BITE test of the ADF (Ref. AMM TASK 34-53-00-740-003).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message ADF2 : NO DATA FROM CFDIU:
 - replace the RECEIVER-ADF, 2 (2RP2) (Ref. AMM TASK 34-53-31-000-002) and (Ref. AMM TASK 34-53-31-400-002).
 (1) If the fault continues:
 - do a check and repair the wiring of the MAINTENANCE DATA INPUT bus from the ADF receiver 2 (2RP2) to the first terminal block (Ref. ASM 34-53/01).
 B. Do the test given in Para. 3.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 051-099, 106-149, 201-299, 301-399, ∞∞34-53-00∞∞∞∞∞∞∞∞∞∞Page 233
 401-499, Aug 01/05 CES TASK 34-53-00-810-815

 BITE Test of the ADF 1 Inoperative
 1. Possible Causes
_______________
 - RECEIVER-ADF, 1 (2RP1)

 - LGCIU-1 (5GA1)

 - wiring of the GND/AIR LOGIC discrete from the ADF receiver 1 (2RP1) to the LGCIU 1 (5GA1)

 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 34-53-00-740-003 BITE Test of the ADF
 AMM 34-53-31-000-002 Removal of the ADF Receiver (2RP1, 2RP2)
 AMM 34-53-31-400-002 Installation of the ADF Receiver (2RP1, 2RP2)
 ASM 34-53/01

 3. Fault Confirmation
　
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