- do a check and repair as necessary the wiring of the specified PCU between (Ref. ASM 23-33/03): the PCU (20xMKxx) connector P2/1 (P3/1, P4/1) and the SEB (100MKxx) connector P1/9 (P1/12, P1/14). the PCU (20xMKxx) connector P2/4 (P3/4, P4/4) and the SEB (100MKxx) connector P1/10 (P1/13, P1/15). the PCU (20xMKxx) connector P2/2 (P3/2, P4/2) and the SEB (100MKxx) connector P1/2 (P1/5, P1/7). the PCU (20xMKxx) connector P2/3 (P3/3, P4/3) and the SEB (100MKxx) connector P1/1 (P1/4, P1/6). the PCU (20xMKxx) connector P2/5 (P3/5, P4/5) and the SEB (100MKxx) connector P1/3 (P1/11, P1/8).
C. Do the test given in para. 3.A.
TASK 23-33-00-810-842
Fault of the BITE Data from the Main Multiplexer of the PES
1. Possible Causes
_______________
- MUX-PES, MAIN (8MK)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 23-33-31-000-001 Removal of the Passenger Entertainment System Main Multiplexer (8MK) AMM 23-33-31-400-001 Installation of the Passenger Entertainment System Main Multiplexer (8MK) AMM 23-73-00-740-003 BITE Test of the Cabin Intercommunication Data System
(CIDS) through the PTP
ASM 23-33/01
ASM 23-33/02
3. Fault Confirmation
__________________
A. Do the bite test of the cabin intercommunication data system (CIDS) (Ref. AMM TASK 23-73-00-740-003).
4. Fault Isolation
_______________
A. Different and additional maintenance messages R
R (1) If the test gives a different maintenance message, do the trouble R shooting procedure related to the maintenance message.
(2) If the test gives an additional maintenance message and that message shows a PES bus failure:
- do the related trouble shooting procedure for that PES bus failure first.
B. If the test gives the maintenance message 23-33-34/NO PESMUX DATA:
- replace the MUX-PES, MAIN (8MK), (Ref. AMM TASK 23-33-31-000-001) and (Ref. AMM TASK 23-33-31-400-001).
(1) If the fault continues:
- do a check and repair as necessary the wiring between (Ref. ASM 23-33/01) and (Ref. ASM 23-33/02):
- the DIR-CIDS1 (101MK) connector AA/D7 and the MUX-PES, MAIN (8MK) connector AA/A6.
- the DIR-CIDS1 (101MK) connector AA/E7 and the MUX-PES, MAIN (8MK) connector AA/B6.
C. Do the test given in para. 3.A.
TASK 23-33-00-810-843
1. Possible Causes
Fault of a Passenger Control Unit _______________
- PCU (20xMKxx)
- SEAT ELECTRONIC BOX (100MKxx)
- wiring
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-33-00-740-002
AMM 23-33-12-000-001
AMM 23-33-12-400-001
AMM 23-33-46-000-001
AMM 23-33-46-400-001
ASM 23-33/03
3. Fault Confirmation
__________________
BITE-Test of the Passenger Entertainment System (Music) with the Programming and Test Panel (PTP)Removal of the Passenger Control Unit (PCU)Installation of the Passenger Control Unit (PCU)Removal of the Seat Electronic Box (SEB)Installation of the Seat Electronic Box (SEB)
A. Do the Test of the Passenger Entertainment (Music) MK (Ref. AMM TASK 23-
33-00-740-002) R
R (1) If the test gives a different maintenance message, do the trouble R shooting procedure related to the maintenance message.
B. If the the fault continues but, the test gives no maintenance message:
- change the volume on the defective PCU (20xMKxx) with the volume control switches to UP and DOWN and monitor the change with a headset.
- change the music channels on the defective PCU (20xMKxx) with the channel select switches to UP and DOWN and monitor the channel change on the channel display of the PCU and with a headset. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320 Trouble Shooting Manual 排故手册 COMMUNICATIONS 通讯1(136)
