Fujitsu MHV2040AT 用户手册

xvi 

C141-E218 

Figure 1.1  Negative voltage at +5 V when power is turned off ......................... 1-6

 

Figure 1.2  Current fluctuation (Typ.) at +5 V when power is  

turned on............................................................................................ 1-8

 

 

Figure 2.1  Disk drive outer view ........................................................................ 2-2

 

Figure 2.2  1 drive system configuration ............................................................. 2-3

 

Figure 2.3  2 drives configuration........................................................................ 2-4

 

 

Figure 3.1  Dimensions........................................................................................ 3-2

 

Figure 3.2  Orientation......................................................................................... 3-3

 

Figure 3.3  Mounting frame structure.................................................................. 3-4

 

Figure 3.4  Location of breather .......................................................................... 3-5

 

Figure 3.5  Surface temperature measurement points ......................................... 3-6

 

Figure 3.6  Service area ....................................................................................... 3-7

 

Figure 3.7  Handling cautions.............................................................................. 3-8

 

Figure 3.8  Connector locations........................................................................... 3-9

 

Figure 3.9  Cable connections ........................................................................... 3-10

 

Figure 3.10  Power supply connector pins (CN1) ............................................... 3-11

 

Figure 3.11  Jumper location ............................................................................... 3-11

 

Figure 3.12  Factory default setting..................................................................... 3-12

 

Figure 3.13  Jumper setting of master or slave drive .......................................... 3-12

 

Figure 3.14  CSEL setting.................................................................................... 3-13

 

Figure 3.15  Example (1) of cable select ............................................................. 3-13

 

Figure 3.16  Example (2) of cable select ............................................................. 3-14

 

 

Figure 4.1  Power supply configuration .............................................................. 4-4

 

Figure 4.2  Circuit configuration ......................................................................... 4-5

 

Figure 4.3  Power-on operation sequence............................................................ 4-6

 

Figure 4.4  Read/write circuit block diagram ...................................................... 4-9

 

Figure 4.5  Frequency characteristic of programmable filter ............................ 4-10

 

Figure 4.6  Block diagram of servo control circuit............................................ 4-12

 

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