TASK 23-73-00-810-874
Sign - Info Signs in Series on one Cabin Side do not come on
1. Possible Causes
_______________
- DEU-A (200RHxx)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-73-00-740-005 BITE Test of the Cabin Intercommunication Data System
(CIDS) through the CFDS AMM 23-73-46-000-001 Removal of the Decoder/Encoder Unit (DEU) A 200RH AMM 23-73-46-400-001 Installation of the Decoder/Encoder Unit (DEU) A
200RH
3. Fault Confirmation
__________________
A. Test
(1) Do the CIDS BITE test through the CFDS (Ref. AMM TASK 23-73-00-740-005).
NOTE : An erroneous class 3 fault will be recorded for each LED info
____ sign (without bulbs), if the test of the related signs is not deactivated in the CAM.
(2) On the cockpit overhead panel 25VU:
- set the NO SMOKING (190RH) switch to ON,
- set the FASTEN SEAT BELT (191RH) switch to ON.
4. Fault Isolation
_______________
A. If the test gives a different maintenance message, do the trouble shooting procedure related to the maintenance message.
B. If the NS/FSB info signs at two or three PSIUs in series on one cabin side does not come on:
- replace the related DEU-A (200RHxx) (Ref. AMM TASK 23-73-46-000-001) and (Ref. AMM TASK 23-73-46-400-001).
C. Do the test given in Para. 3.A.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-105, 151-199, ∞∞23-73-00∞∞∞∞∞∞∞∞∞∞Page 267
201-299, Aug 01/05 CES
**ON A/C ALL
TASK 23-73-00-810-875
PSIU - No Pax Call from one PSIU
1. Possible Causes
_______________
- PCB 2038VUA
- DEU-A
- wiring
- PCB 601RH
- PISA
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
23-73-00-810-876
AMM 23-73-00-710-007
AMM 23-73-00-740-005
AMM 23-73-00-740-010
AMM 23-73-41-000-001
AMM 23-73-41-400-001
AMM 23-73-46-000-001
AMM 23-73-46-400-001
AMM 23-73-49-000-001
AMM 23-73-49-400-001
ASM 23-73/13
3. Fault Confirmation
__________________
PSIU - No Pax Call from two or three PSIUs in SeriesOperational Test of the Passenger Call SystemBITE Test of the Cabin Intercommunication Data System (CIDS) through the CFDSInterface and Power-Up Test of the Cabin Intercommunication Data System (CIDS) via the CFDSRemoval of the Passenger Interface and Supply Adapter (PISA)Installation of the Passenger Interface and Supply Adapter (PISA)Removal of the Decoder/Encoder Unit (DEU) A 200RHInstallation of the Decoder/Encoder Unit (DEU) A 200RHRemoval of the Printed Circuit Board (PCB) with the Bulbs or LEDsInstallation of the Printed Circuit Board (PCB) with the Bulbs or LEDs
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
A. Test
(1) Do the CIDS BITE test through the CFDS (Ref. AMM TASK 23-73-00-740-005).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : ALL ∞∞23-73-00∞∞∞∞∞∞∞∞∞∞Page 268
Aug 01/05 CES
(2) Do the operational test of the passenger call system (Ref. AMM TASK 23-73-00-710-007).
R **ON A/C 106-149, 301-399, 401-499,
A. Test
(1) Do the CIDS Interface and Power-Up Test via the CFDS (Ref. AMM TASK 23-73-00-740-010).
(2) Do the operational Test of the Passenger Call System (Ref. AMM TASK 23-73-00-710-007).
**ON A/C ALL
4. Fault Isolation
_______________
A. If the test gives a different maintenance message, do the trouble shooting procedure related to the maintenance message.
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2(60)
