Removal of the Passenger Control Unit (PCU)
TASK 23-33-12-000-001-A
Removal of the Passenger Control Unit (PCU)
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 23-33-12-861-051-A ** ON A/C NOT FOR ALL Subtask 23-33-12-865-061-A ** ON A/C NOT FOR ALL
Subtask 23-33-12-020-051-F ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:12:07 UTC
Removal of the Passenger Control Unit (PCU)
WARNING:
ISOLATE THE ELECTRICAL CIRCUITS FROM THE RELATED EQUIPMENT AND THE ENVIRONMENT.
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 | AR | SAFETY CLIP - CIRCUIT BREAKER |
| 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) |
Subtask 23-33-12-861-051-A ** ON A/C NOT FOR ALL Subtask 23-33-12-865-061-A ** ON A/C NOT FOR ALL
B. Open, safety and tag this(these) circuit breaker(s):
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 2000VU | PES-MUSIC - CTL | 21MK | D01 |
| ** ON A/C NOT FOR ALL | |||
| 2000VU | PES-MUSIC-CABIN AFT-RH | 25MK | D05 |
| 2000VU | PES-MUSIC-CABIN AFT-LH | 22MK | D04 |
| 2000VU | PES-MUSIC-CABIN FWD-RH | 24MK | D03 |
| 2000VU | PES-MUSIC-CABIN FWD-LH | 23MK | D02 |
| ** ON A/C NOT FOR ALL | |||
| 2000VU | PES-MUSIC-CTL | 21MK | D01 |
Subtask 23-33-12-020-051-F ** ON A/C NOT FOR ALL
A. Removal of the Passenger Control Unit (PCU)
(1) Loosen the captive screw (3) from the PCU (1) until the hook (2) is unlocked.
(2) Carefully lift the PCU (1) to get access to the electrical connector(s) (4).
(3) Disconnect the electrical connector(s) (4).
(4) Remove the PCU (1) from the seat armrest.
(5) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(1) Loosen the captive screw (3) from the PCU (1) until the hook (2) is unlocked.
(2) Carefully lift the PCU (1) to get access to the electrical connector(s) (4).
(3) Disconnect the electrical connector(s) (4).
(4) Remove the PCU (1) from the seat armrest.
(5) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
Passenger Control Unit