R  **ON A/C 051-099, 201-210, 301-399, 401-499,
 A. If the test gives the two maintenance messages HF1 (3RE1) /COAX and HF2 (3RE2) /COAX: - replace the ANTENNA-HF (5RE) (Ref. AMM TASK 23-11-11-000-001) and (Ref. AMM TASK 23-11-11-400-001).
 (1) If the fault continues: - do a check and repair the HF Feeder from the HF antenna (5RE) to the first terminal block (Ref. ASM 23-11/01). 
R  **ON A/C 001-049, 051-099, 101-105, 151-199, 201-210, 301-399, 401-499,
 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 : 001-049, 051-099, 101-105, 151-199, ∞∞23-11-00∞∞∞∞∞∞∞∞∞∞Page 224
 201-210, 301-399, 401-499, Aug 01/05 CES

 **ON A/C ALL

 TASK 23-11-00-810-810
 Loss of the HF 1 System
 1. Possible Causes
_______________
 - COUPLER-HF, 1 (4RE1)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
23-11-00-810-801 Failure of the HF 1 Transceiver
 23-11-00-810-803 Loss of the HF 1 Communication
 AMM 23-11-00-740-001 Bite Test of the HF System
 AMM 23-11-36-000-001 Removal of the HF Antenna Coupler
 AMM 23-11-36-400-001 Installation of the HF Antenna Coupler

 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 this maintenance message:
 (1) HF1 (3RE1):

 - do the fault isolation procedure (Ref. TASK 23-11-00-810-801).

 (2) HF1 ANTENNA (5RE1)/FEEDER (6RE1)/CPLR (4RE1)/COAX:

 - do the fault isolation procedure (Ref. TASK 23-11-00-810-803).
 「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 225
 May 01/05 CES

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

 A. If the test gives this maintenance message:
 (1) HF1 (3RE1):

 - do the fault isolation procedure (Ref. TASK 23-11-00-810-801).

 (2) HF1 (3RE1) /COAX:

 - do the fault isolation procedure (Ref. TASK 23-11-00-810-803).
 **ON A/C ALL
 B. If the test gives no maintenance message:
 - replace the COUPLER-HF, 1 (4RE1) (Ref. AMM TASK 23-11-36-000-001) and (Ref. AMM TASK 23-11-36-400-001).

R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-210, 301-399, 401-499,

 TASK 23-11-00-810-811 Loss of the HF 2 System
 1. Possible Causes
_______________
 - COUPLER-HF, 2 (4RE2)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
23-11-00-810-802 Failure of the HF 2 Transceiver 23-11-00-810-804 Loss of the HF 2 Communication AMM 23-11-00-740-001 Bite Test of the HF System AMM 23-11-36-000-001 Removal of the HF Antenna Coupler AMM 23-11-36-400-001 Installation of the HF Antenna Coupler
 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 2 only.
____
 4. Fault Isolation
_______________ **ON A/C 001-049, 101-105, 151-199,
 A. If the test gives this maintenance message:
 (1) HF2 (3RE2) :

 - do the fault isolation procedure (Ref. TASK 23-11-00-810-802).

 (2) HF2 ANTENNA (5RE)/FEEDER (6RE2)/CPLR (4RE2)/COAX:

 - do the fault isolation procedure (Ref. TASK 23-11-00-810-804).
 「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 : 001-049, 051-099, 101-105, 151-199, ∞∞23-11-00∞∞∞∞∞∞∞∞∞∞Page 227
　
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