- install the XCVR-HF, 1 (3RE1) (Ref. AMM TASK 23-11-33-400-001)
(1) If the fault continues:
- replace the XCVR-HF, 1 (3RE1) (Ref. AMM TASK 23-11-33-000-001) and (Ref. AMM TASK 23-11-33-400-001).
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, ∞∞23-11-00∞∞∞∞∞∞∞∞∞∞Page 255
401-499, Aug 01/05 CES
TASK 23-11-00-810-827
Failure of the HF2 A/C Address (ICAO)
1. Possible Causes
_______________
- XCVR-HF, 2 (3RE2)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 23-11-00-740-001 Bite Test of the HF System
AMM 23-11-33-000-001 Removal of the HF Transceiver (3RE1, 3RE2)
AMM 23-11-33-400-001 Installation of the HF Transceiver (3RE1, 3RE2)
AWM 23-11-07
3. Fault Confirmation
__________________
A. Test Do the BITE test of the HF system (Ref. AMM TASK 23-11-00-740-001) .
4. Fault Isolation
_______________
A. If the test gives the maintenance message
ICAO ADDRESS/HF 2 (3RE2):
- remove the XCVR-HF, 2 (3RE2) (Ref. AMM TASK 23-11-33-000-001)
- do a check and repair if necessary the wiring of the pin program of the XCVR-HF, 2 (3RE2) (Ref. AWM 23-11-07)
- install the XCVR-HF, 2 (3RE2) (Ref. AMM TASK 23-11-33-400-001)
(1) If the fault continues:
- replace the XCVR-HF, 2 (3RE2) (Ref. AMM TASK 23-11-33-000-001) and (Ref. AMM TASK 23-11-33-400-001).
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, ∞∞23-11-00∞∞∞∞∞∞∞∞∞∞Page 256
401-499, Aug 01/05 CES
VHF SYSTEM - FAULT ISOLATION PROCEDURES
_______________________________________
TASK 23-12-00-810-801
Failure of the VHF 1 Transceiver
1. Possible Causes
_______________
- XCVR-VHF, 1 (1RC1)
- wiring
- C/B-COM/VHF/1 (2RC1)
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)
ASM 23-12/01
3. Fault Confirmation
__________________
A. Test Do the BITE test of the VHF system (Ref. AMM TASK 23-12-00-740-001).
NOTE : Do this test for the VHF 1 only.
____
4. Fault Isolation
_______________
A. Table of the circuit breakers used in this procedure:
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
121VU COM NAV/VHF/2 2RC2 L04
B. If the test gives the maintenance message VHF1 (1RC1):
- do a check of the circuit breaker (2RC1) status.
(1) If the circuit breaker is closed: R - do a check for 28DC at pin AC/2 of the VHF 1 transceiver (1RC1) R (Ref. ASM 23-12/01).
R (a) If there is 28DC:
- replace the XCVR-VHF, 1 (1RC1), (Ref. AMM TASK 23-12-33-000-001) and (Ref. AMM TASK 23-12-33-400-001).
「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 ∞∞23-12-00∞∞∞∞∞∞∞∞∞∞Page 201
Nov 01/99 CESR (b) If there is no 28DC:
- do a check for a ground signal at pin AB/3D of the VHF 1 transceiver (1RC1) (Ref. ASM 23-12/01).
1 If there is no ground signal:
_
- repair the wiring between the VHF 1 transceiver pin AB/3D and the ground terminal (Ref. ASM 23-12/01).
2 If there is a ground signal:
_
- do a check of the wiring between the VHF 1 transceiver pin AC/2 and the circuit breaker 2RC1 (Ref. ASM 23-12/01).
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