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B. Do the test given in para. 3.
TASK 34-41-00-810-801 Loss of the Weather Radar Information on the ND 1. Possible Causes_______________ - DMC-1 (1WT1) - DMC-2 (1WT2) - XCVR-WEATHER RADAR, 1 (1SQ1) - CTL UNIT-WEATHER RADAR (3SQ) - MTG TRAY-WR XCVR (9SQ) - RADOME (1560WM) R - XCVR-WEATHER RADAR, 2 (1SQ2) - wiring of the WR1 INPUT 1 and the WR1 INPUT 2 buses from the DMC1 (1WT1) to the first terminal block - wiring of the W/R SELECTED discrete from the DMC1 (1WT1) to the first terminal block - wiring from the DMC1 (1WT1) to the CAPT ND (3WT1) - wiring of the WR1 INPUT 1 and the WR1 INPUT 2 buses from the DMC2 (1WT2) to the first terminal block - wiring of the W/R SELECTED discrete from the DMC2 (1WT2) to the first terminal block - wiring from the DMC2 (1WT2) to the F/O ND (3WT2) - avionics ventilation - wiring of the TR1 DATA BUS 1 OUTPUT and the TR1 DATA BUS 2 OUTPUT buses from the weather radar transceiver 1 (1SQ1) to the first terminal block - wiring of the weather radar control unit (3SQ) - wiring of the weather radar transceiver mounting tray (9SQ) R - wiring of the WR2 INPUT 1 and the WR2 INPUT 2 buses from the DMC1 (1WT1) R to the first terminal block R - wiring of the W/R SELECTED discrete from the DMC2 (1WT2) to first terminal R block R - wiring of the WR2 INPUT 1 and the WR2 INPUT 2 buses from the DMC2 (1WT2) R to the first terminal block R - wiring of the TR2 DATA BUS 1 OUTPUT and the TR2 DATA BUS 2 OUTPUT buses R from the weather radar transceiver 2 (1SQ2) to the first terminal block
2. Job Set-up Information ______________________ A. Referenced Information -------------------------------------------------------------------------------REFERENCE DESIGNATION ------------------------------------------------------------------------------- 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 34-41-00-730-001 System Test of the Weather Radar AMM 34-41-00-740-002 BITE Test of the Weather Radar AMM 34-41-12-000-001 Removal of the Weather Radar Control Unit (3SQ) AMM 34-41-12-400-001 Installation of the Weather Radar Control Unit (3SQ) 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,
1SQ2) AMM 34-41-37-000-001 Removal of the Weather Radar Transceiver Mounting Tray (9SQ) AMM 34-41-37-400-001 Installation of the Weather Radar Transceiver Mounting Tray (9SQ) AMM 53-15-11-000-001 Removal of the Radome AMM 53-15-11-400-001 Installation of the Radome ASM 31-61/04 ASM 34-41/01
3. Fault Confirmation __________________ A. Test Do the system test of the weather radar (Ref. AMM TASK 34-41-00-730-001). 4. Fault Isolation _______________ R **ON A/C 001-049, 101-149, 151-199, 201-299, 301-399, 401-499, A. If the weather radar display is not shown or incorrectly shown on the CAPT ND only: - on the center pedestal, on the SWITCHING panel 8VU, set the EIS DMC selector switch to CAPT/3, and make sure that the weather radar display is correctly shown on the CAPT ND. (1) If the weather radar display is correctly shown on the CAPT ND with the EIS DMC selector switch at CAPT/3: - replace the DMC-1 (1WT1) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001). (a) If the weather radar display is still incorrectly shown on the CAPT ND with the EIS DMC selector switch at NORM: - do a check of the wiring of the WR1 INPUT 1 and the WR1 INPUT 2 buses from the DMC1 (1WT1) to the first terminal block (Ref. ASM 34-41/01). 「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 ∞∞34-41-00∞∞∞∞∞∞∞∞∞∞Page 202 Aug 01/05 CES 1 If there is no continuity:
_ - repair the above wiring. 2 If there is continuity: _ - do a check and repair the wiring of the W/R SELECTED discrete from the DMC1 (1WT1) to the first terminal block (Ref. ASM 34-41/01). (2) If the weather radar display is not correctly shown on the CAPT ND with the EIS DMC selector switch at CAPT/3: - replace the DMC-1 (1WT1) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001). www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320 Trouble Shooting Manual 排故手册 导航 NAVIGATION 3
