W DOC AIRBUS | TSM A320F

Loss of the Reception at the Captain Station


TASK 23-51-00-810-829-A
Loss of the Reception at the Captain Station


1. Possible Causes
  • AMU [1RN]
  • wiring
  • RCPT-BOOMSET, CAPT [17RN1]
  • JACK-HEADSET, CAPT [18RN1]
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
AMM 23-51-00-710-001
Operational Test of the Audio Management
ASM 235102
AIPC 235108
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)
3. Fault Confirmation
Subtask 23-51-00-710-062-A
A. Test
   (1) Do the operational test of the audio management system AMM 23-51-00-710-001.
4. Fault Isolation
Subtask 23-51-00-810-078-A
A. If the reception at the Captain station is incorrect:
   (1) In the boomset:
  • Check the reception in the headset of the same station:
     (a) If the reception in the headset is incorrect:
       1 If the fault continues:
  • Do a check and repair the wiring from the AMU [1RN] pins AA/9G, 9H to the first terminal block ASM 235102.
     (b) If the reception in the headset is correct:
  • Connect a new boomset to the RCPT-BOOMSET, CAPT [17RN1] on the panel 61VU.
       1 If the fault continues:
       2 If the fault continues:
  • Do a check and repair the wiring from the RCPT-BOOMSET, CAPT [17RN1] pins 1 and 2 to the first terminal block ASM 235102.
   (2) In the headset:
  • Check the reception in the boomset of the same station:
     (a) If the reception in the boomset is incorrect:
       1 If the fault continues:
  • Do a check and repair the wiring from the AMU [1RN] pins AA/9G, 9H to the first terminal block ASM 235102.
     (b) If the reception in the boomset is correct:
  • Connect a new headset to the JACK-HEADSET, CAPT [18RN1] on the panel 61VU.
       1 If the fault continues:
       2 If the fault continues:
  • Do a check and repair the wiring the JACK-HEADSET, CAPT [18RN1] pins 1 and 2 to the first terminal block ASM 235102.
Subtask 23-51-00-710-063-A
B. Do the test given in Para. 3.
[Rev.8 from Aug 2018] 2026.04.04 04:25:45 UTC