Removal of the Seat Electronic Box (SEB) / Power Ethernet Box (PEB)

TASK 23-33-46-000-001-A
Removal of the Seat Electronic Box (SEB) / Power Ethernet Box (PEB)

WARNING: ISOLATE THE ELECTRICAL CIRCUITS FROM THE RELATED EQUIPMENT AND THE ENVIRONMENT.

ZONE: 200
FIN: 100MK ** ON A/C NOT FOR ALL
FIN: 500MK ** ON A/C NOT FOR ALL

1. Reason for the Job
Self 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

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

C. Referenced Information

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)
Seat Electronic Box ** ON A/C NOT FOR ALL
Seat Electronic Box ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 23-33-46-861-050-A ** ON A/C NOT FOR ALL

A. Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).

Subtask 23-33-46-865-053-A ** ON A/C NOT FOR ALL

B. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2000VU	PES-MUSIC - CTL	21MK	D01
** ON A/C NOT FOR ALL
2000VU	PES-VIDEO-CONTROL-VCC-DS/C	21MH	C02
2000VU	PES-VIDEO-CONTROL-MAIN	20MH	C01
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

4. Procedure
Subtask 23-33-46-020-051-A ** ON A/C NOT FOR ALL

A. Removal of the Seat Electronic Box (SEB)

Seat Electronic Box ** ON A/C NOT FOR ALL

(1) Release the quick release fasteners (6) and remove the protective cap (7).

CAUTION: MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE DAMAGE TO EQUIPMENT.

(2) Remove the spring latches (2) and disconnect the electrical connectors (4).
(3) Disconnect the electrical connectors (5).
(4) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(5) Carefully loosen the nylatches (3) and remove the SEB (1).

NOTE:
1. At the end of the WDB-SEB-lines the SEB ends with a termination plug connected to the SEB connector J2. If a related SEB is removed, remove the termination plug.
2. The SEB connector J4 is not used on A320.

[Rev.10 from 2021] 2026.04.02 06:12:07 UTC