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Contents
CHAPTER 3 Installation Conditions..............................................................3-1
3.1 Dimensions.........................................................................................................3-2
3.2 Mounting ............................................................................................................3-3
3.3 Cable Connections..............................................................................................3-8
3.3.1 Device connector .....................................................................................3-8
3.3.2 Cable connector specifications ................................................................3-9
3.3.3 Device connection ...................................................................................3-9
3.3.4 Power supply connector (CN1) .............................................................3-10
3.4 Jumper Settings.................................................................................................3-10
3.4.1 Location of setting jumpers ...................................................................3-10
3.4.2 Factory default setting ...........................................................................3-11
3.4.3 Master drive-slave drive setting.............................................................3-11
3.4.4 CSEL setting..........................................................................................3-12
3.4.5 Power up in standby setting...................................................................3-13
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-E258