DOC AIRBUS | TSM A320FLoss of the Reception at the Third Occupant Station
TASK 23-51-00-810-831-A
Loss of the Reception at the Third Occupant Station
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 23-51-00-710-066-A 4. Fault Isolation
Subtask 23-51-00-810-080-A
[Rev.8 from Aug 2018]
2026.04.04 04:25:45 UTC
Loss of the Reception at the Third Occupant Station
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 23-51-00-710-001 | Operational Test of the Audio Management |
| ASM 235104 | |
| 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) |
Subtask 23-51-00-710-066-A 4. Fault Isolation
Subtask 23-51-00-810-080-A
A. If the reception at the Third Occupant station is incorrect:
(1) In the boomset:
Subtask 23-51-00-710-067-A (1) In the boomset:
- Check the reception in the headset of the same station.
- Replace the AMU [1RN] AMM 23-51-34-000-001 and AMM 23-51-34-400-001.
- Do a check and repair the wiring from the AMU [1RN] pins AA/15G, 15H to the first terminal block ASM 235104.
- Connect a new boomset to the RCPT-BOOMSET, 3RD OCCPNT [17RN3] on the panel 62VU.
- Replace the RCPT-BOOMSET, 3RD OCCPNT [17RN3] AIPC 235108.
- Do a check and repair the wiring from the RCPT-BOOMSET, 3RD OCCPNT [17RN3] pins 1 and 2 to the first terminal block ASM 235104.
- Check the reception in the boomset of the same station.
- Replace the AMU [1RN] AMM 23-51-34-000-001 and AMM 23-51-34-400-001.
- Do a check and repair the wiring from AMU [1RN] pins AA/15G, 15H to the first terminal block ASM 235104.
- Connect a new headset to the JACK-HEADSET, 3RD OCCPNT [18RN3] on the panel 62VU.
- Replace the JACK-HEADSET, 3RD OCCPNT [18RN3] AIPC 235108.
- Do a check and repair the wiring from the JACK-HEADSET, 3RD OCCPNT [18RN3] pins 1 and 2 to the first terminal block ASM 235104.
B. Do the test given in Para. 3.