3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
R **ON A/C 001-004, 051-060,
 49VU NAV/ILS/1 1RT1 G12 **ON A/C ALL
 B. Test Do the BITE test of the ILS (system 1) (Ref. AMM TASK 34-36-00-740-002).
 4. Fault Isolation
_______________ R **ON A/C 001-004, 051-060,
 A. If the test gives the maintenance message
 CFDIU(1TW)/ILS1(2RT1) or CMC1(1TM1)/ILS1(1RT1):

 - replace the CFDIU (1TW), (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).
 「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 ∞∞31-32-00∞∞∞∞∞∞∞∞∞∞Page 288
 May 01/05 CES (1) If the fault continues:

 - do a check and repair the wiring from the CFDIU (1TW) pins AA/2B, 2C to the first terminal block , (Ref. ASM 31-32/02).
R **ON A/C 005-049, 061-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 A. If the test gives the maintenance message ILS1 NO DATA FROM CFDIU:
 - replace the CFDIU (1TW), (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring from the CFDIU (1TW) pins AA/2B, 2C to the first terminal block , (Ref. ASM 31-32/02).
 **ON A/C ALL
 B. Do the test given in Para. 3.B.

 Failure of the CFDIU Detected by the VHF 1
 1. Possible Causes
_______________
 - CFDIU (1TW)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 23-12-00-740-001 BITE Test of the VHF System
 AMM 31-32-34-000-001 Removal of the CFDIU (1TW)
 AMM 31-32-34-400-001 Installation of the CFDIU (1TW)
 ASM 31-32/02

 3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU COM/VHF/1 2RC1 G09
 B. Test Do the BITE test of the VHF system (system 1) (Ref. AMM TASK 23-12-00-740-001).
 4. Fault Isolation
_______________
R **ON A/C 001-049, 051-061, 101-105,
 A. If the test gives the maintenance message VHF1 : NO DATA FROM CFDIU:
 - replace the CFDIU (1TW), (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring from the CFDIU (1TW) pins AA/2B, 2C to the first terminal block , (Ref. ASM 31-32/02).

R **ON A/C 062-099, 106-149, 151-199, 201-299, 301-399, 401-499,

 A. If the test gives the maintenance message CFDIU (1TW)/VHF1 (1RC1):
 - replace the CFDIU (1TW), (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring from the CFDIU (1TW) pins AA/2B, 2C to the first terminal block , (Ref. ASM 31-32/02).
 **ON A/C ALL
 B. Do the test given in Para. 3.B.

 Failure of the CFDIU Detected by the RMP
 1. Possible Causes
_______________
 - CFDIU (1TW)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-13-00-740-001 BITE Test of the Radio Management
 AMM 31-32-34-000-001 Removal of the CFDIU (1TW)
 AMM 31-32-34-400-001 Installation of the CFDIU (1TW)
 ASM 31-32/02

 3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU COM/RMP/1 2RG1 G10
　
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