Loss of the VOR2 Data on the RMI

TASK 34-57-00-810-805-A
Loss of the VOR2 Data on the RMI

1. Possible Causes

RECEIVER-VOR/MKR, 2 [3RS2]
wiring of the OMNI BEARING OUTPUT 2 bus from the VOR/MARKER 2 receiver (3RS2) to the first terminal block
RMI-VOR/ADF/DME [21FN]
wiring of the VOR2 bus from the VOR/ADF/DME RMI (21FN) to the first terminal block

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 34-55-00-810-814-A	Loss of the VOR 2 Data on the ND
AMM 34-55-00-720-001	Functional Test of the VOR/MKR
AMM 34-55-00-740-002	BITE Test of the VOR/MKR
AMM 34-55-31-000-001	Removal of the VOR/MKR Receiver
AMM 34-55-31-400-001	Installation of the VOR/MKR Receiver
ASM 345701
AMM 34-57-22-000-002	Removal of the VOR/ADF/DME RMI
AMM 34-57-22-400-002	Installation of the VOR/ADF/DME RMI

3. Fault Confirmation
Subtask 34-57-00-720-052-A ** ON A/C NOT FOR ALL

A. Test
Do the functional test of the VOR/MKR (test of the VOR reception and identification) AMM 34-55-00-720-001.

4. Fault Isolation
Subtask 34-57-00-810-057-C ** ON A/C NOT FOR ALL

A. If during the test, on the RMI, the VOR1 pointer does not move:

(1) If no flag comes into view on the RMI and on the ND:

(2) If the flag comes into view on the RMI and on the ND:

(a) If the BITE test gives a maintenance message:

(b) If the BITE test does not gives a maintenance message:

1 If the fault continues:

do a check and repair the wiring of the OMNI BEARING OUTPUT 2 bus from the VOR/MARKER 2 receiver (3RS2) to the first terminal block ASM 345701.

(3) If the flag comes into view only on the RMI:

(a) If the fault continues:

do a check and repair the wiring of the VOR2 bus from the VOR/ADF/DME RMI (21FN) to the first terminal block ASM 345701.

Subtask 34-57-00-720-053-A ** ON A/C NOT FOR ALL

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:33:33 UTC