A320 Trouble Shooting Manual 排故手册 信息系统(25)

 - ATSU (1TX1)

 - wiring of the MMR2 DATA BUS

 2. Job Set-up Information
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 A. Referenced Information
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REFERENCE DESIGNATION
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AMM 34-36-31-000-002 Removal of the Multi Mode Receiver (40RT1, 40RT2)
 AMM 34-36-31-400-002 Installation of the Multi Mode Receiver (40RT1,
 40RT2) AMM 46-21-00-740-001 BITE Test of the ATIMS 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)
 3. Fault Confirmation
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 A. Test
 (1) Do the BITE test of the ATIMS (Ref. AMM TASK 46-21-00-740-001).
 4. Fault Isolation
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 A. If the test gives the maintenance message GPSSU2(1SN2)/ATSU1(1TX1):
 - replace the MMR-2 (40RT2) (Ref. AMM TASK 34-36-31-000-002) and (Ref. AMM TASK 34-36-31-400-002).
 (1) If the fault continues:
 - replace the ATSU (1TX1) (Ref. AMM TASK 46-21-34-000-001) and (Ref. AMM TASK 46-21-34-400-001).
 (a) If the fault continues:
 - remove the MMR2 and the ATSU

 - do a check and repair the wiring of the MMR2 DATA BUS

 - install the MMR2 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 250
 401-499, Aug 01/05 CES