Contents

CHAPTER 3 Installation Conditions

3-1

3.1

Dimensions

3-2

 

 

3.2

Mounting

3-4

 

 

 

3.3

Cable Connections

3-9

 

3.3.1

Device connector

3-9

 

3.3.2

Cable connector specifications

3-10

3.3.3

Device connection

3-10

 

3.3.4

Power supply connector (CN1)

3-11

3.4

Jumper Settings

3-11

 

3.4.1

Location of setting jumpers 3-11

3.4.2

Factory default setting 3-12

 

3.4.3

Master drive-slave drive setting

3-12

3.4.4

CSEL setting

3-13

 

CHAPTER 4 Theory of Device Operation

4-1

4.1 Outline 4-2

4.2Subassemblies 4-2

4.2.1Disk 4-2

4.2.2Head 4-2

4.2.3Spindle 4-3

4.2.4Actuator 4-3

4.2.5

Air filter 4-3

 

4.3

Circuit Configuration

4-4

4.4

Power-on Sequence

4-6

4.5

Self-calibration 4-7

4.5.1

Self-calibration contents 4-7

4.5.2

Execution timing of self-calibration 4-8

4.5.3

Command processing during self-calibration 4-9

4.6

Read/write Circuit

4-9

x

C141-E088-01EN

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Fujitsu MHJ2181AT, MHK2120AT, MHK2090AT, MHK2060AT manual Contents