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 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
 B. If the test shows a fault in one PSIU:
 - replace the PCB 2038VUA (Ref. AMM TASK 23-73-49-000-001) and (Ref. AMM TASK 23-73-49-400-001).
 (1) If the fault continues:
 - replace the related DEU-A (Ref. AMM TASK 23-73-46-000-001) and (Ref. AMM TASK 23-73-46-400-001).
 (a) If the fault continues:
 - do a check and repair the wiring between the related: PCB 2038VUA connector 7003VC-A/D and DEU-A connector C/8,C/10 or C/12, PCB 2038VUA connector 7003VC-A/B and DEU-A connector C/7,C/9 or C/11, PCB 2038VUA connector 7003VC-A/C and DEU-A connector C/18,C/19 or C/20 (Ref. ASM 23-73/13).
R **ON A/C 106-149, 301-399, 401-499,
 B. If the test shows a fault in one PSIU:
 - replace the related PCB 601RH (Ref. AMM TASK 23-73-49-000-001) and (Ref. AMM TASK 23-73-49-400-001).
 (1) If the fault continues:
 - replace the related PISA (Ref. AMM TASK 23-73-41-000-001) and (Ref. AMM TASK 23-73-41-400-001).
 「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 269
 Aug 01/05 CES **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,

 C. If the test shows a fault in two or three PSIUs in series on one cabin side:
 - do the trouble shooting procedures for a fault in two or three PSIUs in series (Ref. TASK 23-73-00-810-876).
 **ON A/C ALL
 D. Do the test given in Para. 3.A.

 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,

 TASK 23-73-00-810-876
 PSIU - No Pax Call from two or three PSIUs in Series

 1. Possible Causes
_______________
 - DEU-A (200RHxx)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-73-00-710-007 Operational Test of the Passenger Call System 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).

 (2) Do the operational test of the passenger call system (Ref. AMM TASK 23-73-00-710-007).

 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 test shows a fault in two or three PSU/PSIUs in series:
 - 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 271
 201-299, Aug 01/05 CES

 **ON A/C ALL

 TASK 23-73-00-810-877
 Boarding Function - No Seatrow Number Illumination

 1. Possible Causes
_______________
 - DIR-CIDS, 1 (101RH)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-73-00-710-035 Operational Test of the Cabin LED Lamps via MCDU AMM 23-73-00-740-005 BITE Test of the Cabin Intercommunication Data System (CIDS) through the CFDS AMM 23-73-00-740-010 Interface and Power-Up Test of the Cabin
 Intercommunication Data System (CIDS) via the CFDS AMM 23-73-34-000-001 Removal of the CIDS Director (101RH,102RH) AMM 23-73-34-400-001 Installation of the CIDS Director (101RH,102RH) ASM 23-73/03 ASM 23-73/05
 3. Fault Confirmation
__________________
 **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).

 (2) Open a minimum of one cabin door.

 (3) Make sure that all seatrow numbering lamps 505RH and 506RH come on. 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).
　
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