4.1.9Drive system related service call

C05

ADU motor rotation abnormal

Is the ADU motor rotating properly?

YES

NO

 

1.Check if the harness between the LGC board and the ADU drawer connector is open-circuited.

2.Check if the harness between the switching power supply and the ADU drawer connector is open-circuited.

3.Check if any of the connectors J101, J102 and J103 on the LGC board is disconnected.

4.Reduce the mechanical load on the motor by adjusting the drive system. Remove foreign matter if any.

5.Replace the LGC board.

Are the pins

NO

 

YES

B2 and B4 of the connector J103 on the LGC board always at the level "L"?

1.Check if the connector J103 on the LGC board is disconnected.

2.Check if any conductor pattern on the LGC board is open- or short-circuited.

3.Check if any harness is open-circuited or any connector pin is disconnected.

4.Replace the LGC board.

1.Check if any conductor pattern on the LGC board is open- or short-circuited.

2.Replace the LGC board.

FC-22 TROUBLESHOOTING

4 - 16

January 2000 © TOSHIBA TEC

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Image 142
Toshiba FC-22 manual Is the ADU motor rotating properly?