- replace the SDU (105RV1) (Ref. AMM TASK 23-28-34-000-001) and (Ref. AMM TASK 23-28-34-400-001).
(2) If the fault continues:
- remove the SATCOM SDU
- remove the ADIRS 2
- do a check and repair the wiring of the 429 BUS 2 INPUT signal (from the ADIRS (1FP1) pins AB/10C,11C to the SDU (105RV1) pins AB/6C,6D) (Ref. ASM 23-28/06)
- install the SATCOM SDU
- install the ADIRS 2.
「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 : 401-499, ∞∞23-28-00∞∞∞∞∞∞∞∞∞∞Page 217
Aug 01/05 CES
5. Close-up
________
A. Do the test given in Para. 3.
TASK 23-28-00-810-814
Loss of the Data from both ADIRS 1 and ADIRS 2 to the SDU
1. Possible Causes
_______________
- ADIRU-1 (1FP1)
- ADIRU-2 (1FP2)
- SDU (105RV1)
- wiring of the 429 BUS 2 INPUT and the 429 BUS 3 INPUT signals
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-28-00-740-001 BITE Test of the Satellite Communication System AMM 23-28-34-000-001 Removal of the Satellite Data Unit (SDU) 105RV1 AMM 23-28-34-400-001 Installation of the Satellite Data Unit (SDU) 105RV1 AMM 34-12-34-000-001 Removal of the ADIRU (1FP1, 1FP2, 1FP3) AMM 34-12-34-400-001 Installation of the ADIRU (1FP1, 1FP2, 1FP3) ASM 23-28/15
3. Fault Confirmation
__________________
A. Test
(1) Do the BITE test of the SATCOM System (Ref. AMM TASK 23-28-00-740-001).
4. Fault Isolation
_______________
A. If the test gives the maintenance message
ADIRU1 (1FP1) + ADIRU2 (1FP2)/ SDU 1 (105RV1):
- replace the ADIRU-1 (1FP1) (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).
(1) If the fault continues:
- replace the ADIRU-2 (1FP2) (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).
(2) If the fault continues:
- replace the SDU (105RV1) (Ref. AMM TASK 23-28-34-000-001) and (Ref. AMM TASK 23-28-34-400-001).
(3) If the fault continues:
- remove the SATCOM SDU
- remove the ADIRS 1
- remove the ADIRS 2
- do a check and repair as necessary the wiring of the 429 BUS 2 INPUT and the 429 BUS 3 INPUT signals (from the ADIRS 1 (1FP1) pins AB/5E,6E and the ADIRS 2 (1FP2) pins AB/10C,11C to the SDU (105RV1) pins AB/6A,6B,6C,6D) (Ref. ASM 23-28/15)
- install the SATCOM SDU
- install the ADIRS 1
- install the ADIRS 2.
5. Close-up
________
A. Do the test given in Para. 3.
TASK 23-28-00-810-815
Loss of Data between the CFDIU and the SDU
1. Possible Causes
_______________
- CFDIU (1TW)
- SDU (105RV1)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-28-00-740-001 BITE Test of the Satellite Communication System AMM 23-28-34-000-001 Removal of the Satellite Data Unit (SDU) 105RV1 AMM 23-28-34-400-001 Installation of the Satellite Data Unit (SDU) 105RV1 AMM 31-32-34-000-001 Removal of the CFDIU (1TW) AMM 31-32-34-400-001 Installation of the CFDIU (1TW) ASM 23-28/05
3. Fault Confirmation
__________________
A. Test
(1) Do the BITE test of the SATCOM System (Ref. AMM TASK 23-28-00-740-001).
4. Fault Isolation
_______________
A. If the test gives the maintenance message CFDIU (1TW) / SDU (105RV1):
- replace the CFDIU (1TW) (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).
(1) If the fault continues:
- replace the SDU (105RV1) (Ref. AMM TASK 23-28-34-000-001) and (Ref. AMM TASK 23-28-34-400-001). 中國航空網(wǎng) www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320 Trouble Shooting Manual 排故手冊 COMMUNICATIONS 通訊1(105)
