Fujitsu MJA2080BH, Руководство по эксплуатации/техническому обслуживанию

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Contents
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 hole ................................................................... 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 Block diagram of servo control circuit ............................................ 4-12
Figure 4.6 Physical sector servo configuration on disk surface ........................ 4-15
Figure 4.7 Servo frame format .......................................................................... 4-16
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
Figure 5.11 Set Device Bits FIS .......................................................................... 5-21
C141-E293 xv