Installation of the Passenger Control Unit (PCU)
TASK 23-33-12-400-001-A
Installation of the Passenger Control Unit (PCU)
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels
B. Referenced Information
3. Job Set-up
Subtask 23-33-12-860-051-B ** ON A/C NOT FOR ALL
Subtask 23-33-12-420-052-E ** ON A/C NOT FOR ALL
Subtask 23-33-12-862-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:12:07 UTC
Installation 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. Work Zones and Access Panels
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 200 | UPPER HALF FUSELAGE |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 23-33-00-710-005-A | Operational Test of the Integrated In-Flight Entertainment (IFE) System |
| TASK 23-73-00-861-001-A | Energize the Cabin Intercommunication Data System (CIDS) |
| TASK 23-73-00-862-001-A | De-energize the Cabin Intercommunication Data System (CIDS) |
| 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) |
| TASK 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
Subtask 23-33-12-860-051-B ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
Subtask 23-33-12-865-062-A ** ON A/C NOT FOR ALL (1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
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 23-33-12-420-052-E ** ON A/C NOT FOR ALL
A. Installation of the Passenger Control Unit (PCU)
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the CAP-BLANKING from each electrical connector and receptacle.
(4) Make sure that all the electrical connections are clean and in the correct condition.
(5) Connect the electrical connector(s) (4).
(6) Carefully install the PCU (1) in the seat armrest and make sure that the notches (5) are correctly engaged.
(7) Carefully turn the captive screw (3) a quarter turn clockwise to engage the hook (2).
(8) Turn the captive screw (3) until the PCU (1) is tightly installed in the armrest.
Subtask 23-33-12-865-063-A ** ON A/C NOT FOR ALL (1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the CAP-BLANKING from each electrical connector and receptacle.
(4) Make sure that all the electrical connections are clean and in the correct condition.
(5) Connect the electrical connector(s) (4).
(6) Carefully install the PCU (1) in the seat armrest and make sure that the notches (5) are correctly engaged.
(7) Carefully turn the captive screw (3) a quarter turn clockwise to engage the hook (2).
(8) Turn the captive screw (3) until the PCU (1) is tightly installed in the armrest.
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 23-33-12-861-050-A ** ON A/C NOT FOR ALL | 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 |
C. Make sure that the Cabin Intercommunication Data System (CIDS) is energized (Ref. AMM TASK 23-73-00-861-001).
Subtask 23-33-12-710-051-K ** ON A/C NOT FOR ALL D. Operational Test
(1) Do the operational test of the integrated In-Flight Entertainment (IFE) system (Ref. AMM TASK 23-33-00-710-005).
Subtask 23-33-12-942-051-C ** ON A/C NOT FOR ALL (1) Do the operational test of the integrated In-Flight Entertainment (IFE) system (Ref. AMM TASK 23-33-00-710-005).
E. Put the aircraft back to the serviceable condition.
(1) De-energize the CIDS (Ref. AMM TASK 23-73-00-862-001).
(2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
(3) Make sure that the work area is clean and clear of tool(s) and other items.
5. Close-up(1) De-energize the CIDS (Ref. AMM TASK 23-73-00-862-001).
(2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
(3) Make sure that the work area is clean and clear of tool(s) and other items.
Subtask 23-33-12-862-050-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to the serviceable condition.
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
Passenger Control Unit