- wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 22-70-00-710-001 Operational Test of the Multipurpose Control and
 Display Unit (MCDU) AMM 31-36-00-710-001 Test of the DMU (1TV) AMM 31-36-34-000-001 Removal of the Data Management Unit (DMU) (1TV) AMM 31-36-34-400-001 Installation of the Data Management Unit (DMU) (1TV) ASM 31-37/01
 3. Fault Confirmation
__________________
 A. Do the DMU (1TV) fault monitoring test (Ref. AMM TASK 31-36-00-710-001). NOTE : Make sure that the circuit breakers 1TV, 11CA1, 11CA2 on the panel
____ 121VU and 11CA1 on the panel 49VU are closed during the test. _______________
4. Fault Isolation
R **ON A/C 001-049, 051-099, 101-105, 151-158, 201-209,
 A. If the test gives the maintenance message:
 - MCDU 1 COMMUNIC FAIL, or

 - MCDU 2 COMMUNIC FAIL

 (1) Do the operational test of the Flight Management System (Ref. AMM TASK 22-70-00-710-001).
 (a) If the test gives a different maintenance message, you can find the related trouble shooting procedure in the applicable Page Block 101.
 「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, ∞∞31-36-00∞∞∞∞∞∞∞∞∞∞Page 254
 201-210, May 01/05 CES (2) If the fault continues:

 - do a check and repair the wiring from the MCDU-1 (3CA1) or MCDU-2 (3CA2) to the DMU (1TV) (Ref. ASM 31-37/01):
 MCDU 1 Connector A/27 to DMU Connector AA/11A MCDU 1 Connector A/28 to DMU Connector AA/11B MCDU 1 Connector A/11 to DMU Connector AA/11E MCDU 1 Connector A/12 to DMU Connector AA/11F or MCDU 2 Connector A/27 to DMU Connector AB/11A MCDU 2 Connector A/28 to DMU Connector AB/11B MCDU 2 Connector A/11 to DMU Connector AA/11E MCDU 2 Connector A/12 to DMU Connector AA/11F
 (3) If the fault continues:
 - replace the DMU (1TV) (Ref. AMM TASK 31-36-34-000-001) and (Ref. AMM TASK 31-36-34-400-001).
 **ON A/C 159-199, 210-210,
 A. If the test gives the maintenance message:
 - MCDU1 (3CA1)/DMU (1TV) or

 - MCDU2 (3CA2)/DMU (1TV).

 (1) Do the operational test of the Flight Management System (Ref. AMM TASK 22-70-00-710-001).

 (a) If the test gives a different maintenance message, you can find the related trouble shooting procedure in the applicable Page Block 101.

 (2) If the fault continues:

 - do a check and repair the wiring from the MCDU-1 (3CA1) or MCDU-2 (3CA2) to the DMU (1TV) (Ref. ASM 31-37/01):
 MCDU1 Connector A/27 to DMU Connector AA/11A MCDU1 Connector A/28 to DMU Connector AA/11B MCDU1 Connector A/11 to DMU Connector AA/11E MCDU1 Connector A/12 to DMU Connector AA/11F or MCDU2 Connector A/27 to DMU Connector AB/11A MCDU2 Connector A/28 to DMU Connector AB/11B MCDU2 Connector A/11 to DMU Connector AA/11E MCDU2 Connector A/12 to DMU Connector AA/11F
 (3) If the fault continues:
 - replace the DMU (1TV) (Ref. AMM TASK 31-36-34-000-001) and (Ref. AMM TASK 31-36-34-400-001).
 「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 : 001-049, 051-099, 101-105, 151-199, ∞∞31-36-00∞∞∞∞∞∞∞∞∞∞Page 255
 201-210, May 01/05 CES

R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-210,

 B. Do the test given in para. 3.

 「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, ∞∞31-36-00∞∞∞∞∞∞∞∞∞∞Page 256
 201-210, May 01/05 CES

 DMU receives no data from the BSCU 1 or BSCU 2 (10GG)
 1. Possible Causes
_______________
 - BSCU (10GG)

 - DMU (1TV)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 31-36-00-710-001 Test of the DMU (1TV)
 AMM 31-36-34-000-001 Removal of the Data Management Unit (DMU) (1TV)
 AMM 31-36-34-400-001 Installation of the Data Management Unit (DMU) (1TV)
 AMM 32-42-00-710-001 Operational Check of the Normal Braking System
　
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