**ON A/C ALL

 TASK 23-11-00-810-803
 Loss of the HF 1 Communication
 1. Possible Causes
_______________
 - COUPLER-HF, 1 (4RE1)

 - XCVR-HF, 1 (3RE1)

 - ANTENNA-HF (5RE)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-11-00-740-001 Bite Test of the HF System
 AMM 23-11-11-000-001 Removal of the HF Antenna (5RE)
 AMM 23-11-11-400-001 Installation of the HF Antenna (5RE)
 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)
 AMM 23-11-36-000-001 Removal of the HF Antenna Coupler
 AMM 23-11-36-400-001 Installation of the HF Antenna Coupler
 ASM 23-11/01

 3. Fault Confirmation
__________________
 A. Test
 (1) Do the BITE test of the HF system (Ref. AMM TASK 23-11-00-740-001).
 NOTE : Do this test for the HF 1 only.
____
 4. Fault Isolation
_______________
R **ON A/C 001-049, 101-105, 151-199,
 A. If the test gives the maintenance message
 HF1 ANTENNA (5RE)/FEEDER (6RE1)/CPLR (4RE1)/COAX:

 - replace the COUPLER-HF, 1 (4RE1) (Ref. AMM TASK 23-11-36-000-001) and (Ref. AMM TASK 23-11-36-400-001).
 (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).
 「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 ∞∞23-11-00∞∞∞∞∞∞∞∞∞∞Page 207
 May 01/05 CES (2) If the fault continues:

 - do a check of the wiring from the HF 1 coupler (4RE1): . to the ground: 4RE1 pins A/G, D . to the HF 1 transceiver (3RE1):
 * 4RE1 pins A/A, L to 3RE1 pins AC/9, 1

 * 4RE1 pins A/B, c to 3RE1 pins AB/4E, 4F

 * 4RE1 pin B to 3RE1 pin AB/C (coaxial) (Ref. ASM 23-11/01).

 (a) If there is no continuity:

 - repair the related wiring.

 (b) If there is continuity:

 - do a check and repair the wiring between the HF 1 coupler (4RE1) and the HF antenna (5RE) (Ref. ASM 23-11/01).
 1 If there is no continuity:
_ - repair the above wiring.
 2 If there is continuity:
_
 - replace the ANTENNA-HF (5RE) (Ref. AMM TASK 23-11-11-000-001) and (Ref. AMM TASK 23-11-11-400-001).
R **ON A/C 051-099, 106-149, 201-299, 301-399, 401-499,
 A. If the test gives the maintenance message
 HF1 (3RE1)/ COAX:

 - replace the COUPLER-HF, 1 (4RE1), (Ref. AMM TASK 23-11-36-000-001) and (Ref. AMM TASK 23-11-36-400-001).
 (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).

 (2) If the fault continues:

 - do a check of the wiring from the HF 1 coupler (4RE1) . to the ground: 4RE1 pins A/G, D . to the HF 1 transceiver (3RE1):
 * 4RE1 pins A/A, L to 3RE1 pins AC/9, 1

 * 4RE1 pins A/B, c to 3RE1 pins AB/4E, 4F

 * 4RE1 pin B to 3RE1 pin AB/C (coaxial) (Ref. ASM 23-11/01).

 (a) If there is no continuity:

 - repair the related wiring.

 (b) If there is continuity:

 - do a check and repair the wiring between the HF 1 coupler (4RE1) and the HF antenna (5RE) (Ref. ASM 23-11/01).
 「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 ∞∞23-11-00∞∞∞∞∞∞∞∞∞∞Page 208
 Aug 01/05 CES

 1_ If there is no continuity:
 - repair the above wiring.
 2_ If there is continuity:
 - replace the ANTENNA-HF (5RE), (Ref. AMM TASK 23-11-11-000-
001) and (Ref. AMM TASK 23-11-11-400-001).
 **ON A/C ALL

 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 ∞∞23-11-00∞∞∞∞∞∞∞∞∞∞Page 209
 Aug 01/02R
 CES R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-210, 301-399, 401-499,

 TASK 23-11-00-810-804
 Loss of the HF 2 Communication
 1. Possible Causes
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320 Trouble Shooting Manual 排故手冊 COMMUNICATIONS 通訊1(44)