Fault of the PRAM
 1. Possible Causes
_______________
 - RPDR-ANNOUNCE/MUSIC (10RX)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM  23-32-00-860-002 
AMM  23-32-34-000-001 
AMM  23-32-34-400-001 
AMM  23-73-00-740-003 
R R  AMM ASM  23-73-00-740-005 23-32/01
 3. Fault Confirmation__________________ 

Initialization of the Prerecorded Anouncement and Boarding Music (PRAM) ReproducerRemoval of the Announcement/Music Tape Reproducer (10RX)Installation of the Announcement/Music Tape Reproducer (10RX)BITE Test of the Cabin Intercommunication Data System (CIDS) through the PTP BITE Test of the Cabin Intercommunication Data System (CIDS) through the CFDS
R **ON A/C 001-049, 051-099, 101-105, 211-299,

R A. Do the Initialization of the Prerecorded Announcement and Boarding Music
R (PRAM) Reproducer (Ref. AMM TASK 23-32-00-860-002).
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,

R B. Do the BITE test of the Cabin Intercommunication Data System (CIDS),
R (Ref. AMM TASK 23-73-00-740-003).
R **ON A/C 106-149, 301-399,

R B. Do the BITE test of the Cabin Intercommunication Data System (CIDS), R (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 : 001-049, 051-099, 101-149, 151-199, ∞∞23-32-00∞∞∞∞∞∞∞∞∞∞Page 204
 201-299, 301-399, Aug 01/05 CES 「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, 101-149, 151-199, ∞∞23-32-00∞∞∞∞∞∞∞∞∞∞Page 205

R  **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 4. Fault Isolation_______________
 A. If the test gives a different maintenance message, do the trouble shooting procedure related to the maintenance message. 
R R R  B. If the test gives the maintenance message PRAM or PRAM(10RX): - Replace the RPDR-ANNOUNCE/MUSIC (10RX) (PRAM) (Ref. AMM TASK 23-32-34-000-001) and (Ref. AMM TASK 23-32-34-400-001).
 NOTE : The upper display ON ANNOUNCE on the audio panel (123RH) of the____ Forward Attendant Panel (FAP) (120RH) shows a fault code. Write down the fault code and keep it with the replaced PRAM.
 (1) If the fault continues: - do a check for 115VAC at the PRAM (10RX) connector AC/2.
R R  (a) If there is no 115VAC: - do a check and repair as necessary the wiring between: the PRAM (10RX) connector AC/2 and the CB 2RX, CAB COM SYSTEMS/PRAM on the panel 2000VU (Ref. ASM 23-32/01).
R R  (b) If there is 115VAC: - do a check and repair as necessary the wiring between: the PRAM (10RX) connector AC/3 and the GND (Ref. ASM 23-32/01).
R R R R  1_  If there is no ground signal:- do a check and repair as necessary the wiring between: the PRAM (10RX) connector AC/3 and the GND (AC GND), the PRAM (10RX) connector AC/4 and the GND (CHASSIS GND) (Ref. ASM 23-32/01).
 C. Do the test given in Para. 3.B.

 201-299, 301-399, Aug 01/05 CES

 PASSENGER ENTERTAINMENT (MUSIC) - FAULT ISOLATION PROCEDURES
____________________________________________________________
 TASK 23-33-00-810-801
 Fault of the Bus or the Connected Units of the PES between the Specified Seat Rows on the Left Side
 1. Possible Causes
_______________
 - wiring

 - SEAT ELECTRONIC BOX (100MKxx)

 - SEB TERMINATOR (101MKxx)

 - WALL DISCONNECT BOX (50MKx)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-33-00-740-002 BITE-Test of the Passenger Entertainment System
 (Music) with the Programming and Test Panel (PTP) AMM 23-33-46-000-001 Removal of the Seat Electronic Box (SEB) AMM 23-33-46-400-001 Installation of the Seat Electronic Box (SEB) AMM 23-33-47-000-001 Removal of the Wall Disconnect Box (WDB) AMM 23-33-47-400-001 Installation of the Wall Disconnect Box (WDB) AMM 23-73-00-740-003 BITE Test of the Cabin Intercommunication Data System
 (CIDS) through the PTP
 ASM 23-33/02
 ASM 23-33/03

 3. Fault Confirmation
　
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