Fujitsu M2301B Manual page 9

4.3.4
4.4
4.4.1
4.4.2
4.4.3
4.5
4.5.1
4.5.2
4.5.3
4.5.4
4.5.5
4.5.6
4.5.1
4.6
4.6.1
4.6.2
4.6.3
4.6.4
4.6.5
4.6.6
4.6.1
4.6.8
4.6.9
5.
6.
6.1
6.2
6.2.1
6.2.2
6.2.3
6.2.4
6.2.5
6.2.6
6.2.1
6.2.8
6.2.9
1.
8.
8.1
8.2
8.2.1
8.2.2
8.2.3
8.3
8.4
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
viii
Clock Track Format ' ................•..•..........•.....•••.•...
FORMAT ...............................••.......••...•......
General .................................. , ...••... , ..•.•..... ,
Track Format ...................•.•....•..........•....•••....
Detail of The Format ....................•.•........•...........
INTERFACE ..............................................•..
General .....................•.........••....•.... ' .... , .....•..
Type and Name of Signal line .................................... .
Signal Lines .......................•...•...•..•....
~
......•...
Timing Specification ..............••..........•....•.. ' ....•....
Format Timing Specification ..........................•..........
Driver/Receiver ..................•.........................•..
Pin Assignment in Connector .....................•....•........•.
ELECTRIC CIRCUIT OPERATION ... : .......................... .
Block Diagram .............•................•..........•...•..
Start/Stop Circuit .....................................••...•..
DC Spindle Motor Driving Circuit •............................•...
DC Spindle Motor Controller ......... ; .•..•...•........•.........
Unit Select Operation ................•................••.......
SEEK Control ............................................... .
Stepper Driving Circuit ......•.....................••.•.........
Index and Sector Generation Circuit .................•.......•.....
Read/Write Circuit ................................•............
TROUBLESHOOTING ................................•........
MAINTENANCE ..................•..........••.......•.......
GENERAL ............ , ......................•..••.•......•...
CHECK OF THE CONTROL CIRCUIT ................•............
General ................................••.. , •... , ., •....•.•...
Confirming the Switch Settings .....•.....•...
~
.....•..........•..
Check of Standard Frequency Oscillator ......•........•.•..•.......
Check of Clock Signal .....................• , .•....•....•...•..•.
Inspection of PLO Circuit .....................••...•.••.........
Check of I ndex and Sector ......................• , ..•.•..........
Inspection of VFO Circuit ......................•.....•..••....•.
Observation of the Read Waveform ............. ' .................. .
Check of the Settling Waveform after Seeking •.•......•••........•...
SPARE PARTS .......................••••..•....•.•..•.......
IC DETAIL ............................... ' ... ' ........•.......
OUTLINE .................................................. .
LOGIC CONVENTION AND SYMBOLOGY ........................ .
TTL Logic ................................•.......•......•...
EC Logic .............. ',' ...•..................... ' ........... .
Logic Symbology ...................................•..........
IC CROSS REFERENCE GUIDE ..•.............................•
IC INTERCHANGEABILITY .......................•.•.•....•...
TTL IC Interchangeability .................•......•.....•........
ECL ....................................... " ...............•.
LINEAR IC ................• ' •• ' ...•.....•......•.•.•.. '. ' .••.....
CMOS .................................•.........•........•.
FUJITSU ANALOG MASTER SLICE IC ............ ' ..........•......
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6-1
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6-1
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6-1
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7-1
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8-1
8~1
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8-1
8-7
8-7
8-7
B03P·4605-0003A .... B