Contents

CHAPTER 3

Installation Conditions

3-1

3.1

Dimensions

3-2

3.2

Mounting

3-3

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

 

3.4.5

Power Up in Standby setting

3-14

CHAPTER 4

Theory of Device Operation

4-1

4.1

Outline

4-2

4.2

Subassemblies

4-2

 

4.2.1

Disk

4-2

 

4.2.2

Spindle

4-2

 

4.2.3

Actuator

4-2

 

4.2.4

Air filter

4-3

4.3

Circuit Configuration

4-3

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

4-8

4.6

Read/write Circuit

4-9

 

4.6.1

Read/write preamplifier (PreAMP)

4-9

x

C141-E202-01EN

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Fujitsu MHU2100AT manual Installation Conditions, Theory of Device Operation