R (1) If the weather radar system 1 is set:
R - on the center pedestal, on the SWITCHING panel 8VU, set the EIS DMC
R selector switch to CAPT/3, and make sure that the weather radar
R display is correctly shown on the CAPT ND.
R (a) If the weather radar display is correctly shown on the CAPT ND
R with the EIS DMC selector switch at CAPT/3:
R - replace the DMC-1 (1WT1) (Ref. AMM TASK 31-63-34-000-001) and
R (Ref. AMM TASK 31-63-34-400-001).
R 1_ If the weather radar display is still incorrectly shown on the
R CAPT ND with the EIS DMC selector switch at NORM:
R - do a check of the wiring of the WR1 INPUT 1 and the WR1
R INPUT 2 buses from the DMC1 (1WT1) to the first terminal
R block (Ref. ASM 34-41/01).
R a_ If there is no continuity:
R - repair the above wiring.
R b_ If there is continuity:
R - do a check and repair the wiring of the W/R SELECTED
R discrete from the DMC1 (1WT1) to the first terminal block
R (Ref. ASM 34-41/01).
R (b) If the weather radar display is not correctly shown on the CAPT
R ND with the EIS DMC selector switch at CAPT/3:
R - replace the DMC-1 (1WT1) (Ref. AMM TASK 31-63-34-000-001) and
R (Ref. AMM TASK 31-63-34-400-001).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞34-41-00∞∞∞∞∞∞∞∞∞∞Page 205
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R 1_ If the fault continues:
R - do a check and repair the wiring from the DMC1 (1WT1) to the
R CAPT ND (3WT1):
R . from pins AB/12B, 12C to pins AA/13, 14
R . from pins AB/12H, 12J to pins AA/40, 41
R . from pins AB/13B, 13C to pins AA/28, 29
R . from pins AB/13H, 13J to pins AA/26, 27 R (Ref. ASM 31-61/04).
R (2) If the weather radar system 2 is set:
R - on the center pedestal, on the SWITCHING panel 8VU, set the EIS DMC
R selector switch to CAPT/3, and make sure that the weather radar
R display is correctly shown on the CAPT ND.
R (a) If the weather radar display is correctly shown on the CAPT ND
R with the EIS DMC selector switch at CAPT/3:
R - replace the DMC-1 (1WT1) (Ref. AMM TASK 31-63-34-000-001) and
R (Ref. AMM TASK 31-63-34-400-001).
R 1_ If the weather radar display is still incorrectly shown on the
R CAPT ND with the EIS DMC selector switch at NORM:
R - do a check of the wiring of the WR2 INPUT 1 and the WR2
R INPUT 2 buses from the DMC1 (1WT1) to the first terminal
R block (Ref. ASM 34-41/01).
R a_ If there is no continuity:
R - repair the above wiring.
R b_ If there is continuity:
R - do a check and repair the wiring of the W/R SELECTED
R discrete from the DMC1 (1WT1) to the first terminal block
R (Ref. ASM 34-41/01).
R (b) If the weather radar display is not correctly shown on the CAPT
R ND with the EIS DMC selector switch at CAPT/3:
R - replace the DMC-1 (1WT1) (Ref. AMM TASK 31-63-34-000-001) and
R (Ref. AMM TASK 31-63-34-400-001).
R 1_ If the fault continues:
R - do a check and repair the wiring from the DMC1 (1WT1) to the
R CAPT ND (3WT1):
R . from pins AB/12B, 12C to pins AA/13, 14
R . from pins AB/12H, 12J to pins AA/40, 41
R . from pins AB/13B, 13C to pins AA/28, 29
R . from pins AB/13H, 13J to pins AA/26, 27 R (Ref. ASM 31-61/04).
「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, ∞∞34-41-00∞∞∞∞∞∞∞∞∞∞Page 206
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R B. If the weather radar display is not shown or incorrectly shown on the F/O
R ND only:
R - on the weather radar control unit (3SQ), do a check of the position of
R the system selector switch.
R (1) If the weather radar system 1 is set:
R - on the center pedestal, on the SWITCHING panel 8VU, set the EIS DMC
R selector switch to F/O/3, and make sure that the weather radar
R display is correctly shown on the F/O ND.
R (a) If the weather radar display is correctly shown on the F/O ND
R with the EIS DMC selector switch at F/O/3:
R - replace the DMC-2 (1WT2) (Ref. AMM TASK 31-63-34-000-001) and
R (Ref. AMM TASK 31-63-34-400-001).
R 1_ If the weather radar display is still incorrectly shown on the
R F/O ND with the EIS DMC selector switch at NORM:
R - do a check of the wiring of the WR1 INPUT 1 and the WR1
R INPUT 2 buses from the DMC2 (1WT2) to the first terminal
R block (Ref. ASM 34-41/01).
R a_ If there is no continuity: 中国航空网 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(3)
