DOC AIRBUS | AMM A320FRemoval of the Loudspeaker
TASK 23-73-51-000-001-A
Removal of the Loudspeaker
Self Explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 23-73-51-861-050-A
Subtask 23-73-51-020-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.03.31 23:18:58 UTC
Removal of the Loudspeaker
WARNING:
BE VERY CAREFUL WHEN YOU DO WORK ON CIRCUIT BREAKER PANELS. THERE IS A HIGH VOLTAGE BEHIND THESE PANELS.
ZONE: 200
1. Reason for the JobSelf Explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | CAP - BLANKING |
| No specific | 1 | SCREWDRIVER - SMALL |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 200 | UPPER HALF FUSELAGE |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
Loudspeaker of the PSIUSubtask 23-73-51-861-050-A
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
Subtask 23-73-51-865-050-A (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
B. Open, safety and tag these circuit breakers in this sequence:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM/CIDS/DEU A BAT/LINE 1 | 144RH | N13 |
| 121VU | COM/CIDS/DEU A BAT/LINE 2 | 145RH | N14 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM/CIDS/DEU A BAT/FWD R | 258RH | N14 |
| 121VU | COM/CIDS/DEU A BAT/L FWD | 259RH | N13 |
| 121VU | COM/CIDS/DEU A BAT/AFT R | 272RH | Q11 |
| 121VU | COM/CIDS/DEU A BAT/AFT L | 279RH | Q10 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | DEU A BAT MID L | 295RH | M12 |
| 121VU | DEU A BAT MID R | 296RH | M13 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CIDS/DEU A ESS/LINE 1 | 154RH | G04 |
| 49VU | COM/CIDS/DEU A ESS/LINE 2 | 155RH | G05 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CIDS/DEU A ESS/FWD R | 158RH | HA10 |
| 49VU | COM/CIDS/DEU A ESS/FWD L | 159RH | HA09 |
| 49VU | COM/CIDS/DEU A ESS/AFT R | 172RH | HA12 |
| 49VU | COM/CIDS/DEU A ESS/AFT L | 179RH | HA11 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM / CIDS / DEU A ESS / MID L | 195RH | G04 |
| 49VU | COM / CIDS / DEU A ESS / MID R | 196RH | G05 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/L FWD | 163RH | M10 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/L FWD | 163RH | M09 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/R FWD | 164RH | M11 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/R FWD | 164RH | M10 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/L MID | 165RH | M12 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/L MID | 165RH | M11 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/R MID | 166RH | M13 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/R MID | 166RH | M12 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/L AFT | 167RH | M11 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/L AFT | 167RH | M13 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/R AFT | 168RH | M12 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DEU A NORM/R AFT | 168RH | M14 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | CIDS-DEU A NORM-AFT-LH | 173RH | C06 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | CIDS/ DEU A NORM AFT LH | 173RH | C07 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | CIDS-DEU A NORM-AFT-RH | 174RH | C07 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | CIDS/ DEU A NORM AFT RH | 174RH | C08 |
| 2001VU | CIDS/ DEU A NORM MID 2 LH | 175RH | C05 |
| 2001VU | CIDS/ DEU A NORM MID 2 RH | 176RH | C06 |
| ** ON A/C NOT FOR ALL | |||
| 2001VU | CIDS-DEU A NORM-MID-LH | 197RH | C04 |
| 2001VU | CIDS-DEU A NORM-MID-RH | 198RH | C05 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CIDS/DEU A ESS/2 R | 466RH | HA12 |
| 49VU | COM/CIDS/DEU A ESS/1 R | 464RH | HA10 |
| 49VU | COM/CIDS/DEU A ESS/1 L | 463RH | HA09 |
| 49VU | COM/CIDS/DEU A ESS/2 L | 465RH | HA11 |
| 121VU | COM NAV/CIDS/DEU A NORM/R AFT | 668RH | M14 |
| 121VU | COM NAV/CIDS/DEU A NORM/R MID | 666RH | M12 |
| 121VU | COM NAV/CIDS/DEU A NORM/R FWD | 664RH | M10 |
| 121VU | COM NAV/CIDS/DEU A NORM/L FWD | 663RH | M09 |
| 121VU | COM NAV/CIDS/DEU A NORM/L MID | 665RH | M11 |
| 121VU | COM NAV/CIDS/DEU A NORM/L AFT | 667RH | M13 |
Subtask 23-73-51-020-050-A ** ON A/C NOT FOR ALL
A. Removal of the Loudspeaker
(1) Remove the loudspeaker from the PSIU and from the forward entrance area
(a) Remove the section hose (4) from one side of the mounting rail (5).
(b) Pull and lower the related PSIU (6) to get access to the loudspeaker (2).
(c) Disconnect the eletrical connections (1) from the loudspeaker electrical connectors (7).
(d) Release the spring clips (3) and remove the loudspeaker (2).
(2) Remove the loudspeaker from the aft entrance area
(a) Remove the section hose (4) from one side of the mounting rail (5).
(b) Pull and lower the related PSIU (6) to get access to the loudspeaker (2).
(c) Disconnect the eletrical connections (1) from the loudspeaker electrical connectors (7).
(d) Remove the screws (8), the washers (9) and the loudspeaker (2).
Subtask 23-73-51-020-050-C ** ON A/C NOT FOR ALL (1) Remove the loudspeaker from the PSIU and from the forward entrance area
(a) Remove the section hose (4) from one side of the mounting rail (5).
(b) Pull and lower the related PSIU (6) to get access to the loudspeaker (2).
(c) Disconnect the eletrical connections (1) from the loudspeaker electrical connectors (7).
(d) Release the spring clips (3) and remove the loudspeaker (2).
(2) Remove the loudspeaker from the aft entrance area
(a) Remove the section hose (4) from one side of the mounting rail (5).
(b) Pull and lower the related PSIU (6) to get access to the loudspeaker (2).
(c) Disconnect the eletrical connections (1) from the loudspeaker electrical connectors (7).
(d) Remove the screws (8), the washers (9) and the loudspeaker (2).
A. Removal of the Loudspeaker
(1) Remove the loudspeaker from the PSIU and from the forward/aft entrance area
(a) Remove the section hose (1) from one side of the mounting rail (2).
(b) Pull and lower the related PSIU (3) to get access to the loudspeaker (4).
(d) Release the spring clips (6) and remove the loudspeaker (4) from the pins (7).
Subtask 23-73-51-020-066-A (1) Remove the loudspeaker from the PSIU and from the forward/aft entrance area
(a) Remove the section hose (1) from one side of the mounting rail (2).
(b) Pull and lower the related PSIU (3) to get access to the loudspeaker (4).
CAUTION:
MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE DAMAGE TO EQUIPMENT.
(c) Disconnect the electrical connectors (5). (d) Release the spring clips (6) and remove the loudspeaker (4) from the pins (7).
B. Removal of the Loudspeaker
(1) Remove the loudspeaker from the circuit breaker panel 2001VU
(a) Release the quick release fasteners (3) and let the circuit breaker panel 2001VU (4) hang on the detent hook (5).
(b) Release the detent hook (5) and open the circuit breaker panel 2001VU (4).
(c) Disconnect the electrical connections (1) from the loudspeaker electrical connectors (2).
(d) Remove the screws (7) and the washers (8) from the loudspeaker (6).
(e) Remove the loudspeaker (6).
Subtask 23-73-51-020-067-B (1) Remove the loudspeaker from the circuit breaker panel 2001VU
(a) Release the quick release fasteners (3) and let the circuit breaker panel 2001VU (4) hang on the detent hook (5).
(b) Release the detent hook (5) and open the circuit breaker panel 2001VU (4).
(c) Disconnect the electrical connections (1) from the loudspeaker electrical connectors (2).
(d) Remove the screws (7) and the washers (8) from the loudspeaker (6).
(e) Remove the loudspeaker (6).
C. Removal of the Loudspeaker
(1) Remove the lavatory loudspeaker
(a) Open the service cabinet door (1).
(b) Remove the service box (9).
(c) Remove the screws (8) and the service cabinet door (1).
(d) Remove the screws (2) and the washers (3).
(e) Pull and lower the service cabinet (4).
(f) Loosen the screw (10) and disconnect the flexible hose (11) from the air outlet.
(g) Disconnect the electrical connectors (5).
(h) Remove the loudspeaker (6) from the pins (7).
Subtask 23-73-51-020-072-A ** ON A/C NOT FOR ALL (1) Remove the lavatory loudspeaker
(a) Open the service cabinet door (1).
(b) Remove the service box (9).
(c) Remove the screws (8) and the service cabinet door (1).
(d) Remove the screws (2) and the washers (3).
(e) Pull and lower the service cabinet (4).
(f) Loosen the screw (10) and disconnect the flexible hose (11) from the air outlet.
(g) Disconnect the electrical connectors (5).
(h) Remove the loudspeaker (6) from the pins (7).
D. Removal of the Loudspeaker
(1) Remove the loudspeaker from the space flex lavatory
(a) Put the SCREWDRIVER - SMALL into the access hole (2) and open the air-extraction panel (1).
(c) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(d) Remove the screws (3), the washers (4) and carefully remove the loudspeaker (6) from the grill (7).
(1) Remove the loudspeaker from the space flex lavatory
(a) Put the SCREWDRIVER - SMALL into the access hole (2) and open the air-extraction panel (1).
CAUTION:
MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.
(b) Disconnect the electrical connectors (5). (c) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(d) Remove the screws (3), the washers (4) and carefully remove the loudspeaker (6) from the grill (7).