Fujitsu MHY2040BH, Product/Maintenance Manual

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Contents
xvi C141-E262
Illustrations
Figures
Figure 1.1 Permissible range of +5V rise slope.....................................................1-7
Figure 1.2 The example of negative voltage waveform at +5 V when
power is turned off ...............................................................................1-8
Figure 1.3 Current fluctuation (Typ.) at +5 V when power is turned on.............1-10
Figure 2.1 Disk drive outerview ............................................................................2-2
Figure 2.2 Drive system configuration ..................................................................2-3
Figure 3.1 Dimensions ...........................................................................................3-2
Figure 3.2 Mounting frame structure.....................................................................3-4
Figure 3.3 Location of breather .............................................................................3-5
Figure 3.4 Surface cover temperature measurement points ..................................3-6
Figure 3.5 Service area ..........................................................................................3-7
Figure 3.6 Handling cautions.................................................................................3-8
Figure 3.7 Connector locations..............................................................................3-9
Figure 3.8 Power supply pins (CN1) ...................................................................3-10
Figure 4.1 Power supply configuration..................................................................4-4
Figure 4.2 Circuit configuration ............................................................................4-5
Figure 4.3 Power-on operation sequence...............................................................4-7
Figure 4.4 Read/write circuit block diagram .......................................................4-10
Figure 4.5 Frequency characteristic of programmable filter ...............................4-11
Figure 4.6 Block diagram of servo control circuit...............................................4-13
Figure 4.7 Physical sector servo configuration on disk surface ..........................4-16
Figure 4.8 Servo frame format.............................................................................4-17
Figure 5.1 Interface signals....................................................................................5-2
Figure 5.2 Example of the circuit for driving Activity LED .................................5-9
Figure 5.3 Conceptual diagram of communication layers...................................5-11
Figure 5.4 Register - Host to Device FIS layout .................................................5-15
Figure 5.5 Register - Device to Host FIS layout .................................................5-16
Figure 5.6 DMA Active - Device to Host FIS layout..........................................5-16
Figure 5.7 DMA Setup - Device to Host or Host to Device FIS layout ..............5-17
Figure 5.8 BIST Active - Bidirectional FIS layout..............................................5-18
Figure 5.9 Data FIS (Bidirectional) layout ..........................................................5-19