(1) If the fault continues:
- do a check and repair the wiring of the COM 2 DATA OUTPUT signal,
(from RMP 2 (1RG2) pins A/<R, <S to the first terminal block) (Ref.
ASM 23-13/02).
R **ON A/C 051-061,
R A. If the BITE test gives the maintenance message VHF 2 : NO DATA FROM
R CONTROL SOURCE:
R - replace the RMP-COM/NAV FREQ SEL, 2 (1RG2) (Ref. AMM TASK 23-13-13-000-
R 001) and (Ref. AMM TASK 23-13-13-400-001).
R (1) If the fault continues:
R - do a check and repair the wiring of the COM 2 DATA OUTPUT signal,
R (from RMP 2 (1RG2) pins A/<R, <S to the first terminal block) (Ref.
R ASM 23-13/02).
R **ON A/C ALL
B. Do the test given in Para. 3.C.
TASK 23-13-00-810-809
Loss of the Tuning Data for the VHF 3 System
1. Possible Causes
_______________
- XCVR-VHF, 3 (1RC3)
- RMP-COM/NAV FREQ SEL, 2 (1RG2)
- wiring from VHF 3 transceiver (1RC3) to RMP 2 (1RG2)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 23-12-00-740-001 BITE Test of the VHF System
AMM 23-12-33-000-001 Removal of the VHF Transceiver (1RC1, 1RC2, 1RC3)
AMM 23-12-33-400-001 Installation of the VHF Transceiver (1RC1, 1RC2,
1RC3) AMM 23-13-13-000-001 Removal of the Radio Management Panel (CRMP) (1RG1, 1RG2, 1RG3) AMM 23-13-13-400-001 Installation of the Radio Management Panel (CRMP) (1RG1, 1RG2, 1RG3) ASM 23-13/02
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU COM NAV/RMP/2 2RG2 L02
B. Job Set-up
On the RMP 2 only, make sure that the ON/OFF switch is at ON.
C. Test
(1) Do the BITE test of the VHF system (Ref. AMM TASK 23-12-00-740-001).
NOTE : Do this test for the VHF 3 only.
____
4. Fault Isolation
_______________
**ON A/C 001-049, 051-061, 101-105,
A. If the BITE test gives the maintenance message VHF 3 : NO DATA FROM CONTROL SOURCE:
- replace the XCVR-VHF, 3 (1RC3) (Ref. AMM TASK 23-12-33-000-001) and (Ref. AMM TASK 23-12-33-400-001).
(1) If the fault continues:
- replace the RMP-COM/NAV FREQ SEL, 2 (1RG2) (Ref. AMM TASK 23-13-13-000-001) and (Ref. AMM TASK 23-13-13-400-001).
(2) If the fault continues:
- do a check and repair the wiring from VHF 3 transceiver (1RC3) to RMP 2 (1RG2) of the FREQ SELECT INPUT PORT B signal, from pins AB/7A, 7B to pins A/<P, <Q (Ref. ASM 23-13/02).
R **ON A/C 062-099, 106-149, 151-199, 201-299, 301-399, 401-499,
A. If the BITE test gives the maintenance message RMP1/2/3 (1RG1/2/3)/VHF3 (1RC3):
- replace the XCVR-VHF, 3 (1RC3) (Ref. AMM TASK 23-12-33-000-001) and (Ref. AMM TASK 23-12-33-400-001).
(1) If the fault continues:
- replace the RMP-COM/NAV FREQ SEL, 2 (1RG2) (Ref. AMM TASK 23-13-13-000-001) and (Ref. AMM TASK 23-13-13-400-001).
(2) If the fault continues:
- do a check and repair the wiring from VHF 3 transceiver (1RC3) to RMP 2 (1RG2) of the FREQ SELECT INPUT PORT B signal, from pins AB/7A, 7B to pins A/<P, <Q (Ref. ASM 23-13/02).
**ON A/C ALL
B. Do the test given in Para. 3.C.
TASK 23-13-00-810-810
Loss of the RMP 2 Data on the Bus 1 (VHF 3 System Source)
1. Possible Causes
_______________
- RMP-COM/NAV FREQ SEL, 2 (1RG2)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
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