Fujitsu MHW2120BK Maintenance Manual page 20

Contents
Figures
Figure 1.1 Permissible range of +5V rise slope .....................................................1-6
Figure 1.2 The example of negative voltage waveform at +5 V
Figure 1.3 Current fluctuation (Typ.) at +5 V when power is turned on ...............1-9
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
Figure 5.10 PIO Setup - Device to Host FIS layout.............................................5-19
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Illustrations
when power is turned off......................................................................1-7
C141-E261