- TACHOMETER

 - wiring between the BSCU (10GG) and the related tachometer

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 32-42-34-000-001 Removal of the Braking/Steering Control Unit (BSCU) (10GG) AMM 32-42-34-400-001 Installation of the Braking/Steering Control Unit
 (BSCU) (10GG) AMM 32-42-57-000-001 Removal of the Tachometer AMM 32-42-57-400-001 Installation of the Tachometer AMM 32-42-68-000-003 Removal of the MLG Tachometer-Drive AMM 32-42-68-400-003 Installation of the MLG Tachometer-Drive AMM 32-46-00-740-001 BITE Test of the BSCU AMM 32-46-00-740-002 BITE Test of the BSCU - Ground Scanning AMM 32-46-00-740-005 BITE Test of the Normal Braking System AMM 33-10-00-000-002 Removal of the Bulbs and the Body of a Pushbutton
 Switch in the Cockpit
 AMM 33-10-00-400-002 Installation of the Bulbs and the Body of a
 Pushbutton Switch in the Cockpit

 AMM 33-14-33-000-001  Removal of the Annunciator-Light Test and Interface-Board (1LP, 2LP, 3LP, 4LP, 5LP, 6LP, 7LP, 8LP, 9LP, 10LP, 11LP, 12LP, 18LP, 19LP, 20LP)
 AMM 33-14-33-400-001  Installation of the Annunciator-Light Test and Interface-Board (1LP, 2LP, 3LP, 4LP, 5LP, 6LP, 7LP, 8LP, 9LP, 10LP, 11LP, 12LP, 18LP, 19LP, 20LP) 3. Fault Confirmation

__________________
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-220, 301-399,
 A. Test
 (1) Do the BITE test of the BSCU (Ref. AMM TASK 32-46-00-740-001).
R **ON A/C 106-149, 221-299, 401-499,
 A. Tests
 (1) Do the BITE test of the Normal Braking System. (Ref. AMM TASK 32-46-00-740-005)

 (2) Do the GROUND SCANNING of the BSCU. (Ref. AMM TASK 32-46-00-740-002)

 **ON A/C ALL
 4. Fault Isolation
_______________
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-220, 301-399,
 A. If the BITE test gives the maintenance message BSCU
 - replace the BSCU (10GG) (Ref. AMM TASK 32-42-34-000-001) and (Ref. AMM
 TASK 32-42-34-400-001). R
R B. If the fault continues, read the TROUBLE SHOOTING DATA of the BSCU (Ref.
R 32-42-00, P.Block 301):
R - if the trouble shooting data gives the fault code 36: refer to
R paragraph C.
R - if the trouble shooting data gives the fault code 37: refer to
R paragraph D.
R

R C. If the fault continues and the trouble shooting data gives the fault
R code: 36
R - replace the BOARD-ANN LT TEST & INTFC (1LP) (Ref. AMM TASK 33-14-33-R 000-001) and (Ref. AMM TASK 33-14-33-400-001).

R (1) If the fault continues:
R - replace the BSCU (10GG) (Ref. AMM TASK 32-42-34-000-001) and (Ref.
R AMM TASK 32-42-34-400-001).

R (2) If the fault continues:
R - replace the AUTO BRK/MAX pushbutton switch (6GG) (Ref. AMM TASK 33-R 10-00-000-002) and (Ref. AMM TASK 33-10-00-400-002).

 「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 : ALL ∞∞32-42-00∞∞∞∞∞∞∞∞∞∞Page A240
 Aug 01/05 CES

R (3) If the fault continues:
R - do a check and repair the:

R . wiring from the BSCU (10GG) pin AB/1C to the ANN LT Test & INTFC R board (1LP) pin A/34

R . wiring between the pin A/32 and the pin A/35 of the ANN LT Test & R INTFC board (1LP)

R . wiring from the ANN LT Test & INTFC board (1LP) A/33 to the first R terminal block

R . wiring from the ANN LT Test & INTFC board (1LP) A/18 to the AUTO R BRK/MAX pushbutton switch (6GG) pin A/4

R . wiring from the AUTO BRK/MAX pushbutton switch (6GG) pin A/A1 to R the BSCU (10GG) pin AA/13E

R . wiring from the AUTO BRK/MAX pushbutton switch (6GG) pin A/8 to R the first terminal block

R . wiring between the pin A/9 and the pin A/5 of the AUTO BRK/MAX R pushbutton switch (6GG)

R . wiring from the AUTO BRK/MAX pushbutton switch (6GG) pin A/A3 to R the ground terminal.

R D. If the fault continues and if the trouble shooting data gives the fault
R code: 37
R - replace the BOARD-ANN LT TEST & INTFC (1LP) (Ref. AMM TASK 33-14-33-R 000-001) and (Ref. AMM TASK 33-14-33-400-001).

R (1) If the fault continues:
R - replace the BSCU (10GG) (Ref. AMM TASK 32-42-34-000-001) and (Ref.
R AMM TASK 32-42-34-400-001).

R (2) If the fault continues:
R - replace the AUTO BRK/MAX pushbutton switch (6GG) (Ref. AMM TASK 33-R 10-00-000-002) and (Ref. AMM TASK 33-10-00-400-002).

R (3) If the fault continues:
R - do a check and repair the:
　
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