- do a check of continuity between pin AA/12J and pin AA/12K of the AMU (1RN) (Ref. ASM 23-51/03).
(a) If there is continuity between the two pins:
- replace the SW-RAD PTT, F/O (12RN) (Ref. AMM TASK 27-92-41-000-001) and (Ref. AMM TASK 27-92-41-400-001).
1 If the fault continues:
_
- replace the AMU (Ref. AMM TASK 23-51-34-000-001) and (Ref. AMM TASK 23-51-34-400-001).
2 If the fault continues:
_
- do a check and repair the wiring between AMU (1RN) pins AA/12J, 12K and pins 1, 2 of the radio PTT switch (12RN) (Ref. ASM 23-51/03).
(b) If there is no continuity between the two pins:
- replace the AMU (Ref. AMM TASK 23-51-34-000-001) and (Ref. AMM TASK 23-51-34-400-001).
1 If the fault continues:
_
- replace the ACP-F/O (2RN2) (Ref. AMM TASK 23-51-12-000-001) and (Ref. AMM TASK 23-51-12-400-001).
2 If the fault continues:
_
- connect a new hand microphone to the First Officer hand microphone receptacle (19RN2) on the panel 16VU.
3 If the fault continues:
_
- replace the RCPT-HAND MIC, F/O (19RN2) (Ref. IPC 235108).
4 If the fault continues:
_
- do a check and repair the wiring (between AMU (1RN) pins AA/13F, 13G and pins 1 and 2 of the First Officer hand microphone receptacle (19RN2)) (Ref. ASM 23-51/03).
「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 216
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CES (3) If the fault is at the Third Occupant station:
- replace the AMU (Ref. AMM TASK 23-51-34-000-001) and (Ref. AMM TASK 23-51-34-400-001).
(a) If the fault continues:
- replace the ACP-3RD OCCPNT (2RN3) (Ref. AMM TASK 23-51-12-000-001) and (Ref. AMM TASK 23-51-12-400-001).
(b) If the fault continues:
- connect a new hand microphone to the Third Occupant hand microphone receptacle (19RN3) on the panel 62VU.
(c) If the fault continues:
- replace the RCPT-HAND MIC, F/O (19RN3) (Ref. IPC 235108).
(d) If the fault continues:
- do a check and repair the wiring (between AMU (1RN) pins AA/1F, 1G and pins 1 and 2 of the Third Occupant hand microphone receptacle (19RN3)) (Ref. ASM 23-51/04).
E. 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 ∞∞23-12-00∞∞∞∞∞∞∞∞∞∞Page 217
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CES
TASK 23-12-00-810-811
Continuous Transmission of the VHF 2 Transceiver for more than 60 s
1. Possible Causes
_______________
- XCVR-VHF, 2 (1RC2)
- AMU (1RN)
- ACP-CAPT (2RN1)
- ACP-F/O (2RN2)
- ACP-3RD OCCPNT (2RN3)
- wiring
- SW-RAD PTT, CAPT (11RN)
- RCPT-HAND MIC, CAPT (19RN1)
- SW-RAD PTT, F/O (12RN)
- RCPT-HAND MIC, F/O (19RN2)
- RCPT-HAND MIC, F/O (19RN3)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
IPC 235108
AMM 23-12-00-710-001 Operational 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 23-51-12-000-001 Removal of the Audio Control Panel (ACP) (2RN1, 2RN2, 2RN3, 2RN4, 2RN5) AMM 23-51-12-400-001 Installation of the Audio Control Panel (ACP) (2RN1,
2RN2, 2RN3, 2RN4, 2RN5) AMM 23-51-34-000-001 Removal of the Audio Management Unit (AMU) (1RN) AMM 23-51-34-400-001 Installation of the Audio Management Unit (AMU) (1RN)
R AMM 27-92-41-000-001 Removal of the Side Stick Assembly 19VU (18VU)
R AMM 27-92-41-400-001 Installation of the Side Stick Assembly 19VU (18VU) ASM 23-12/02 ASM 23-51/02 ASM 23-51/03 ASM 23-51/04 ASM 23-51/06
「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 218
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