DOC AIRBUS | TSM A320FLoss of the ILS 1 Test Display
TASK 31-63-00-810-967-A
Loss of the ILS 1 Test Display
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Isolation
Subtask 31-63-00-810-215-B ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:30:50 UTC
Loss of the ILS 1 Test Display
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 31-63-34-000-001 | Removal of the DMC |
| AMM 31-63-34-400-001 | Installation of the DMC |
| ASM 343601 | |
| AMM 34-36-31-000-001 | Removal of the ILS Receiver |
| AMM 34-36-31-400-001 | Installation of the ILS Receiver |
Subtask 31-63-00-810-215-B ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message DMC1(1WT1)/ILS1(2RT1):
Subtask 31-63-00-810-215-C ** ON A/C NOT FOR ALL - replace the DMC-1 [1WT1] AMM 31-63-34-000-001 and AMM 31-63-34-400-001.
- replace the MMR-1 [40RT1] AMM 34-36-31-000-001 and AMM 34-36-31-400-001.
- remove the MMR-1
- remove the DMC 1
- do a check and repair the wiring of the ILS 1 INPUT signal from MMR-1 (40RT1) pins AB/11B, 11C to DMC 1 (1WT1) pins AA/6A, 6B ASM 343601
- install the MMR-1
- install the DMC 1.
A. If the test gives the maintenance message DMC1(1WT1)/ILS1(2RT1):
- replace the DMC-1 [1WT1] AMM 31-63-34-000-001 and AMM 31-63-34-400-001.
- replace the RECEIVER-ILS, 1 [2RT1] AMM 34-36-31-000-001 and AMM 34-36-31-400-001.
- remove the ILS receiver 1
- remove the DMC 1
- do a check and repair the wiring of the ILS 1 INPUT signal from ILS receiver 1 (2RT1) pins AB/11B, 11C to DMC 1 (1WT1) pins AA/6A, 6B ASM 343601
- install the ILS receiver 1
- install the DMC 1.