- do a check and repair the wiring of the SDAC 2 DATA BUS: between pins AB/8J,8K of the SDAC 2 and pins AB/6G,6H of the ATSU (Ref. ASM 46-21/05)
- install the SDAC 2 and the ATSU.
B. Do the test given in Para. 3.
「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 : 106-149, 151-199, 201-299, 301-399, ∞∞46-21-00∞∞∞∞∞∞∞∞∞∞Page 235
401-499, Aug 01/05 CES Switching of the VDR3 to DATA Mode not Possible
1. Possible Causes
_______________
- ATSU (1TX1)
- XCVR-VHF, 3 (1RC3)
- wiring of the VOICE/DATA SELECT discrete
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 23-12-33-000-001 Removal of the VHF Transceiver (1RC1, 1RC2, 1RC3)
AMM 23-12-33-400-001 Installation of the VHF Transceiver (1RC1, 1RC2,
1RC3) AMM 46-21-00-710-001 Operational Test of the ATSU AMM 46-21-34-000-001 Removal of the Air Traffic Service Unit (ATSU) (1TX1) AMM 46-21-34-400-001 Installation of the Air Traffic Service Unit (ATSU)
(1TX1)
ASM 46-21/04
3. Fault Confirmation
__________________
A. Test
(1) Do the third part of the operational test of the ATSU (Ref. AMM TASK 46-21-00-710-001).
4. Fault Isolation
_______________
A. If the VHF3 cannot operate in DATA mode during the operational test of the ATSU:
- replace the ATSU (1TX1) (Ref. AMM TASK 46-21-34-000-001) and (Ref. AMM TASK 46-21-34-400-001).
(1) If the fault continues:
- replace the XCVR-VHF, 3 (1RC3) (Ref. AMM TASK 23-12-33-000-001) and (Ref. AMM TASK 23-12-33-400-001).
(a) If the fault continues:
- do a check and repair the wiring of the VOICE/DATA SELECT discrete from the ATSU (1TX1) pin AA/12A to the VDR3 (1RC3) pin AB/7C (Ref. ASM 46-21/04).
B. Do the test given in Para. 3.
「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 : 106-149, 151-199, 201-299, 301-399, ∞∞46-21-00∞∞∞∞∞∞∞∞∞∞Page 236
401-499, Aug 01/05 CES No DATA mode set through the RMPs
1. Possible Causes
_______________
- RMP-COM/NAV FREQ SEL, 1 (1RG1)
- RMP-COM/NAV FREQ SEL, 2 (1RG2)
- RMP-COM FREQ SEL, 3 (1RG3)
- ATSU (1TX1)
- wiring of the VOICE/DATA SELECT OUTPUT
- wiring of the VOICE/DATA MONITOR INPUT
- wiring of the REMOTE VOICE/DATA SELECT
- wiring of the PORT SELECT DISCRETE
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 23-13-13-000-001 Removal of the Radio Management Panel (CRMP) (1RG1, 1RG2, 1RG3) AMM 23-13-13-400-001 Installation of the Radio Management Panel (CRMP)
(1RG1, 1RG2, 1RG3) AMM 46-21-00-710-001 Operational Test of the ATSU AMM 46-21-34-000-001 Removal of the Air Traffic Service Unit (ATSU) (1TX1) AMM 46-21-34-400-001 Installation of the Air Traffic Service Unit (ATSU)
(1TX1)
ASM 46-21/05
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the ATSU (Ref. AMM TASK 46-21-00-710-001) from the step 35. Do it again for each RMP.
4. Fault Isolation
_______________
A. If you cannot select the Data mode from one RMP, do the fault isolation procedure that follows:
(1) If you can correctly set the DATA mode on the two other RMPs
(a) Replace the RMP-COM/NAV FREQ SEL, 1 (1RG1), RMP-COM/NAV FREQ SEL, 2 (1RG2) or RMP-COM FREQ SEL, 3 (1RG3) on which it was not possible to set the DATA mode (Ref. AMM TASK 23-13-13-000-001) and (Ref. AMM TASK 23-13-13-400-001).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-149, 151-199, 201-299, 301-399, ∞∞46-21-00∞∞∞∞∞∞∞∞∞∞Page 237
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