(b) Check the wiring between the DMC1 (1WT1) and the WEATHER RADAR-XCVR 1 (1SQ1) (Ref. ASM 31-62/00) (Ref. ASM 34-41/00)
 - install the DMC1 (1WT1) (Ref. AMM TASK 31-63-34-400-001)

 - install the CAPT ND DU (3WT1) (Ref. AMM TASK 31-63-22-400-001)

 - install the WEATHER RADAR-XCVR1 (1SQ1) (Ref. AMM TASK 34-41-33-400-003)

R **ON A/C 051-099, 401-499,
 B. Do the test given in Para. 3.A.

 Loss of the Weather Radar Picture detected by DMC 2 when the ND is shown on the CAPT ND DU
 1. Possible Causes

_______________

 2. Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power AMM 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
 from the External Power
 AMM 31-60-00-740-004 EIS System Test
 AMM 34-10-00-860-002 ADIRS Start Procedure
 AMM 34-10-00-860-005 ADIRS Stop Procedure

 3. Fault Confirmation
__________________
 WARNING : MAKE SURE THAT:
_______ -ALL PERSONS ARE MORE THAN 5 METERS (16.4FT) FROM THE ANTENNA. -NO PERSON IS IN THE AREA MADE BY AN ARC OF 135. ON EACH SIDE OF THE AIRCRAFT CENTERLINE. -THERE IS A MINIMUM SAFETY DISTANCE OF 5 METERS (16.4FT) BETWEEN THE AIRCRAFT AND ANY OBSTACLE IN THE AREA MADE BY AN ARC OF 90. ON EACH SIDE OF THE AIRCRAFT CENTERLINE.
 A. Aircraft Maintenance Configuration
 (1) Energize the aircraft electrical circuits
 (Ref. AMM TASK 24-41-00-861-002)

 (2) Do the ADIRS start procedure (Ref. AMM TASK 34-10-00-860-002)

 (3) On the EFIS control panel of the FCU:

 - set the mode selector switches to ARC

 (4) on the center pedestal, on the WEATHER RADAR CONTROL-UNIT (3SQ), start the weather radar system.

 (5) On the CAPT EFIS switching panel 301VU:

 - make sure that the ND potentiometer (8WT1) is in the center position.
 「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 : 051-099, 401-499, ∞∞31-63-81∞∞∞∞∞∞∞∞∞∞Page A293
 Aug 01/05 CES B. Make sure that this(these) circuit breaker(s) is(are) closed:

 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
**ON A/C 051-099,
 121VU COM NAV/RADAR/2 5SQ2 K14 R **ON A/C 051-099, 401-499,
 121VU COM NAV/RADAR/1 5SQ1 K13
 C. Test
 Do the EIS system test (Ref. AMM TASK 31-60-00-740-004)

 D. Put the aircraft back to its initial configuration.
 (1) Do the ADIRS stop procedure (Ref. AMM TASK 34-10-00-860-005)

 (2) De-energize the aircraft electrical circuits
 (Ref. AMM TASK 24-41-00-862-002)

 4. Fault Isolation
_______________
 A. Do the test given in Para. 3.A.

 Loss of the Weather Radar Picture detected by DMC 3 when the ND is shown on the CAPT ND DU
 1. Possible Causes
_______________
 - DMC-3 (1WT3)

 - ND-CAPT (3WT1)

 - XCVR-WEATHER RADAR, 1 (1SQ1)

 - XCVR-WEATHER RADAR, 2 (1SQ2)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power AMM 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
 from the External Power
 AMM 31-60-00-740-004 EIS System Test
 AMM 31-63-22-000-001 Removal of the Display Unit

 (2WT1,2WT2,3WT1,3WT2,4WT1,4WT2)
 AMM 31-63-22-400-001 Installation of the Display Unit

 (2WT1,2WT2,3WT1,3WT2,4WT1,4WT2) AMM 31-63-34-000-001 Removal of the DMC (1WT1,1WT2,1WT3) AMM 31-63-34-400-001 Installation of the DMC (1WT1,1WT2,1WT3) AMM 34-10-00-860-002 ADIRS Start Procedure AMM 34-10-00-860-005 ADIRS Stop Procedure AMM 34-41-33-000-004 Removal of the Weather Radar Transceiver (1SQ1, 1SQ2) AMM 34-41-33-400-003 Installation of the Weather Radar Transceiver (1SQ1,
　
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