Apple MB770 Service Manual download pdf (Page 110)

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45641001TH Rev.1

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Oki Data CONFIDENTIAL

5.3 Diagnosis and Prescription for Each Error Code

5.3.1 Check item

Check item Contents

Sensor check • Checkthesensorinthetestmode.

• Checkthatthereisnodustonthesensor.

• Checkthattheactuatoriscorrectlyoperated.

Connector check • Checkthattheconnectorisnotdisconnected.

• Checkthatthepinsarenotdeformedanddonotcomeoff.

• Disconnectandreconnecttheconnector.

Harness check • Checkiftheharnessesareopencircuited.

Motor check • Checkthemotorinthetestmode.

• Checkthatthereisnoabnormalityinthedrivingsection.

• Checkthatthereisnoabnormalityintheroller.

Board check • Checkiftheboardisshortcircuitedoropencircuited.

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Apple MB770 Service Manual Page 110

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