R  49VU: 157RH (G02) COM DIR ESS/2 
R  121VU:151RH (M06) CIDS/DIR NORM/1 
R  121VU:156RH (M07) CIDS/DIR NORM/2, 
R  - wait for approx. 10 s and close the CBs 156RH and 157RH. 
R  - stop for approx. 120 s, 
R  - make an announcement again. 
R  (1) If an announcement is possible: 
R  - install a new DIR-CIDS, 1 (101RH) (Ref. AMM TASK 23-73-34-400-001). 
R  (2) If an announcement is not possible: 
R  - replace the cockpit handset. 
R  (a) If the fault continues: 
R  - do a check and repair the wiring between the: 
R  DIR-CIDS (101RH) connector AB/J2 and the COCKPIT HANDSET 
R  (130RH) connector A/1, 
R  DIR-CIDS (101RH) connector AB/K2 and the COCKPIT HANDSET 
R  (130RH) connector A/2, 
R  DIR-CIDS (101RH) connector AB/C1 and the COCKPIT HANDSET 
R  (130RH) connector A/4, 
R  DIR-CIDS (101RH) connector AB/D1 and the COCKPIT HANDSET 
R  (130RH) connector A/5, 
R  DIR-CIDS (101RH) connector AB/G1 and the COCKPIT HANDSET 
R  (130RH) connector A/6, 
R  DIR-CIDS (101RH) connector AB/H1 and the COCKPIT HANDSET 
R  (130RH) connector A/7, 
R  DIR-CIDS (101RH) connector screen and GND, 
R  COCKPIT HANDSET (130RH) connector 3 and DIR-CIDS (101RH) 
R  connector screen (Ref. ASM 23-73/02).
 **ON A/C ALL
 C. Install the removed DIR-CIDS, 1 (101RH) (Ref. AMM TASK 23-73-34-400-001).
 D. Do the test given in Para. 3.A.

 TASK 23-73-00-810-864

 PA - No PA and Interphone from one Cabin Handset
 1. Possible Causes
_______________
 - DIR-CIDS, 1 (101RH)

 - DEU-B 300RHx

 - handset 330RHx

 - wiring

 - DEU-B 300RHxx

 - handset 330RHxx

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-73-00-710-003 Operational Test of the Cabin and Flight Crew
 Interphone-System AMM 23-73-00-710-005 Operational Test of the Passenger Address (PA) System 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)
R  AMM 23-73-44-000-001 Removal of the Handset/Cradle
R  AMM 23-73-44-400-001 Installation of the Handset/Cradle AMM 23-73-47-000-001 Removal of the Decoder/Encoder Units (DEU) B 300RH AMM 23-73-47-400-001 Installation of the Decoder/Encoder Unit (DEU) B
 300RH
 ASM 23-73/10
 ASM 23-73/11

 3. Fault Confirmation
__________________
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
 A. Test
 (1) Do the CIDS BITE test (via CFDS) (Ref. AMM TASK 23-73-00-740-005).

 (2) Do the operational test of the PA announcement from the cabin with the related cabin handset (Ref. AMM TASK 23-73-00-710-005).

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞23-73-00∞∞∞∞∞∞∞∞∞∞Page 235
 Aug 01/05 CES

 (3) Do the operational test of the cabin and flight-crew interphone system with the related cabin handset (ATTND station) (Ref. AMM TASK 23-73-00-710-003).
R **ON A/C 106-149, 301-399, 401-499,
 A. Test
 (1) Do the CIDS Interface and Power-Up Test via CFDS (Ref. AMM TASK 23-73-00-740-010).

 (2) Do the operational test of the PA announcement from the cabin with the related cabin handset (Ref. AMM TASK 23-73-00-710-005).

 (3) Do the operational test of the cabin and flight-crew interphone system with the related cabin handset (ATTND station) (Ref. AMM TASK 23-73-00-710-003).

 **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.
 **ON A/C 001-049, 051-099, 101-105, 201-299,
 B. If there is no maintenance message, but there is a fault in one or both of the operational tests:
　
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