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Summary of Contents for OA-D30V

Page 1: ... u jJ Jj FJD IFLDJlJl lfJJ J1 JJfJJ MODEL OA D30V OEM MANUAL SON ...

Page 2: ...ins proprietary design information Repro duction or dissemination of information provided herein for purposes other than operation and maintenance of the equip ment is strictly prohibited without written consent from the SONY Corporation ...

Page 3: ...RECORD OF REVISIONS REVISION NOTES 1 ORIGINAL ISSUE October 1981 2 March 1982 n ...

Page 4: ... Data 7 3 3 DC Power Requirements 7 3 4 Environmental Considerations 7 3 4 1 Reliability and Maintainability 7 3 4 2 Environmental Limits 7 SECTION 4 INTERFACE DESCRIPTION 9 4 1 Host System Interface 9 4 2 Interface Characteristics 9 4 2 1 Input Signal Requirements 9 4 2 2 Output Signal Characteristics 9 4 3 Signal Interface 9 4 3 1 Input Signal Descriptions 9 4 3 1 1 Drive Select 0 1 9 4 3 1 2 Di...

Page 5: ...tection 17 6 2 Operation 18 6 2 1 Disk Eject Mechanism 18 6 2 2 Disk Insertion 18 6 2 3 Disk Removal 18 6 3 Disk Precautions 18 6 4 Disk Environmental Limits 18 SECTION 7 ELECTRICAL CONNECTORS 19 7 1 Power Connectors 19 7 1 1 Frame Ground 19 7 1 2 DC Power Connector J2 19 7 1 3 DC Power Cable Fabrication 19 7 2 Signal Interface Connector 20 7 2 1 Signal Interface Connector J 1 20 7 2 2 Signal Inte...

Page 6: ...llowing positioning to be accomplished with greater ease and more positive accuracy and over 30 000 interchanges with each diskette Driven by a SONY developed direct drive motor at a speed of 600 RPM providing better signal to noise ratio while transferring data at a fast rate of 500 K bits per second in double density mode twice as fast as conventional 5 25 drives As drive motor is a brush less m...

Page 7: ...Figure 1 1 ...

Page 8: ... 1 FUNCTIONAL DIAGRAM 2 2 READ WRITE AND CONTROL ELECTRONICS OA D30V has following electronic components 1 Index Circuits 2 Head Position Actuator Driver 3 Head Load Actuator Driver 4 Read Write Amplifier and Transition Detector 5 Write Protect 6 Drive Ready Detector Circuit 7 Drive Select Circuits 8 In Use Lamp Circuits 3 2 3 DRIVE MECHANISM The brushless direct drive motor rotates the sp indle a...

Page 9: ...e head to provide erased areas between data tracks The head core is Mn Zn single crystal ferrite The data track width is 125 microns and guard band width is 63 microns 2 7 RECORDING FORMAT The format of the data recorded on the disk is totally a function of the host system and can be designed around the users application to best take advantage of the total available bits that can be written on any...

Page 10: ...ATA 16 4E 00 C21 FC 4E 00 A1 J FE 4E 00 A11 DATA 4E 00 4E PREAMBLE SECTOR OS p Gp GAP4 MIN FM GAP 4 11 MFM GAP4 220 128 73 188 27 232 15 SINGLE 256 73 331 42 73 9 DENSITY 10 512 73 603 58 640 4 256 146 372 54 524 15 DOUBLE 512 146 658 84 182 9 DENSITY 10 1024 146 1202 116 1296 4 DATA GAP3 GAP4 SECTORI TRACK SINGLE DENSITY DOUBLE DENSITY DATA CLOCK DATA CLOCK INDEX ADDRESS MARK FC D7 FC 01 ID ADDRE...

Page 11: ...6 1 4 2 11 6 1 00 FE FF 00 FB F8 DATA 12 3 I 1 4 2 22 12 3 11 00 A1 I FE 4E 00 A11FB Fa DATA SECTOR 0 128 16 188 27 101 SINGLE 256 16 331 42 130 DENSITY 10 512 16 603 58 94 256 32 372 54 266 DOUBLE 512 32 658 84 296 DENSITY 10 1024 32 1202 116 208 DATA GAP 3 GAP4 Figure 2 5 pPD745 SONY RECOMMENDING FORMAT ISO TYPE FORMAT SECTOR 2 GAP GAP 1 2 3 SYNC 4 2 6 FF 00 FF 2 12 4E 00 4E c v f o 16 9 5 16 9 ...

Page 12: ... 7610 BPI Track density 135 TPI 135 TPI Cylinders 70 70 Tracks 70 70 R W heads 1 1 Encoding method FM MFM HEAT DISSIPATION Operating mode Head Load 7 5 W 7 5 W Standby mode Head Unload 3 3 W 3 3 W Average access time 1 3 x Track Nos x Track to track time Settling Time 3 2 DIMENSIONAL DATA Table 3 2 lists the dimensional data for the Micro Floppydisk drive TABLE 3 2 DIMENSIONAL DATA Physical Dimens...

Page 13: ...r 106 seeks 40 0 F to 115 0 F 50 C to 45 0 C 40 0 F to 140 0 F _40 0 C to 60 0 C When OA D30V is set in a box this temperature means the ambient temperature of OA D30V in the box And Tem perature cycling shall not result in condensation 20 to 80 relative humidity with a wet bulb temperature of 85 0 F 29 0 C and no condensation 5 to 95 relative humidity and no condensation The unit shall perform al...

Page 14: ...s from following characteristics True Logical Zero Output Current False Logical One Output Current the drive unit have the 0 0 V to 0 4 V 40 mA max 2 4 V to 5 25 V 250 p A max 4 3 SIGNAL INTERFACE The drive has 13 interface signals see Table 6 1 for pin assignments Seven signals are input to the drive and six are output Recommended interface circuitry is shown in figure 4 2 The seven input signals...

Page 15: ... 0 DRIVE 1 WRITE DATA D4 38 5V 5V STEP 1k 1k 100 pF J If 100 pF rliT IT N MOS DRIVE SELECT N MOS 1 1 1 k lfk N MOS Jr N MOS 4F 150Q 1JI 7 743 bo TRACKOO WR ITE PROTECT READY READ DATA INDEX Figure 4 2 INTERFACE CIRCUITRY 10 ...

Page 16: ...e causes the read write head to move in the direction defined by the DI RTN line The transition from logical one to logical zero initiates the stepping motion y DIRECTION IN I 6 11 J lS MIN STEP I 15 ms MIN Figure 4 3 TRACK ACCESS TIMING 4 3 1 4 Head Load HDLOAD This line causes the read write head to contact the disk surface If the drive is not selected this line is disabled When a disk is insert...

Page 17: ...is logical one DRIVE SELECT STEP _ t30msMIN WRITE GATE WRITE DATA Figure 4 5 WRITE INITIATE TIMING 4 00 J LS 40 ns 150 ns MIN 1000 ns MAX Figure 4 6 WRITE DATA TIMING 4 3 1 6 Write Gate WRTGATE This line defines an operation as read or write Logical zero on this line enables data to be written on the disk logical one indentifies a read operation And this line controls the tunnel erase head WRITE G...

Page 18: ...NDEX MARK TIMING 4 3 2 2 TrackOO TRKOO This line indicates that read write head located at trackOO the outer most track Logical zero on this line indicates the head is located at trackOO Logical one indicates DIRECTION IN _ I IIN ARD STEP U 12 ms MIN TRACKOO the read write head is not at trackOO When drive power is turned on the read write head positions itself at trackOO When the drive is not sel...

Page 19: ...line is logical one 4 3 2 4 Ready This line is logical zero when a disk is inserted and b motor is rotating and c drive unit is selected At all other times this line is logical one 4 3 2 5 Read Data RDDATA This line provides unseparated data data and clock combined The line is normally logical one and becomes logical zero when data is read DRIVE SELECT L _ ______________ i I 1 STEP t _i WR ITE GAT...

Page 20: ...ee MAX READY l r 1 0 sec MAX I VALID WRTRRT 0 5 e MAX _l J r r 0 S usee MAX VALID INDEX i 1 000e MAX I I I HDLOAD I_ ______________________________________________ II 01 RTN 1 I I I I Omsec MIN STE i n n I U J l II 15 see MIN l 4 tsec MAX I LL I aomsecMtN I I I J I I WRTDATA l rlrll 6omseeMIN r 1 U U U 14 1 1 sec MIN I VALID RDOATA il I i l I I i 30msecMIN I I I I rt 60 msee MIN I I I 14II1 1 sec ...

Page 21: ...ee Figure 5 1 indicates that a disk is in the unit and head is loaded Figure 5 1 CONTROLS AND INDICATORS 16 5 1 3 Rear Panel Controls Drive Select switch SW1 located on the rear panel is used to designate drive 1 and drive 2 in a daisy chain application The Micro Floppydisk drive is shipped from the factory designated as drive 1 To designate a drive as unit 2 see Figure 5 2 close arm 2 of Drive Se...

Page 22: ...isk guard protects the recording surface from foreign object contamination The guard prevents dust dirt and fingerprints from degrading the integrity of the stored data TOP LABEL AREA 90 VlZZM vlZZZ41 M ALL DIMENSIONS IN MM 6 1 1 Disk Preparation and Write Protection The Micro Floppydisk is write unprotected as shipped from the manufacturer To prepare the disk for file protected operation break of...

Page 23: ...ss disk eject button to remove disk When disk is extracted be sure to close guard to exclude foreign contaminants Do not depress disk eject button if activity light is illuminated 6 3 DISK PRECAUTIONS The following precautions will assure full disk life and maximum data integrity a Do not store disk with guard open b When handling disk do not touch exposed disk surface c Keep disks away from magne...

Page 24: ...ower Cable Fabrication The DC power from the host system should be delivered to the drive unit over a cable with the following recommended parts Receptacle 4 pin AMP 171822 4 Contact Wire AM P 170262 1 AWG 20 or equivale nt Table 7 1 is a list of pin assignments for connector J2 Figure 7 1 illustrates power interconnection TABLE 7 1 DC POWER CONNECTOR PIN ASSIGNMENTS Pin No Description 1 5 V DC 2 ...

Page 25: ...o drive unit signal cable fabrication Receptacle 26 pin JAE PS 26SEO D4P1 1C Receptacle 26 pin for JAE PS 26SEO D4P1 1D daisy chain application Cable 3M 3365 26 Table 7 2 is a list of pin assignments for signal inter face connector J2 Figure 7 1 illustrates signal inter face connection If you need more detail please contact with your Sony Office Products dealer 2 54 0 1 i Ir Ir 7 I I j I I TABLE 7...

Page 26: ...nted in either a horizontal or vertical position See Figu re 8 1 In the hori zontal position the drive must be positioned with the printed circuit board on bottom No other restrictions concerning orientation exist _ SOf1 hO or p Figure 8 1 PERMITTED DRIVE ORIENTATION 21 30 ...

Page 27: ... mounting holes are 105 s DRIVE SELECT SW1 t LO provided on the unit to facilitate installation see Figure 8 2 The unit has two mounting holes on each side and four mounting holes on bottom M3 MTGHOLES 2 PLCS EACH SIDE 130 I 1 LO 4 21 90 0 2 1 1 126 9 C 09 0 1 u t en 0 11 M3 MTG HOLES ALL DIMENSIONS IN MILLIMETERS Figure 8 2 DRIVE DIMENSIONAL DATA 22 ...

Page 28: ... R7 I Y R25 III 153 u C29 I Y R26 C U C7 Q78013 R 0 011 R 0 35 o I r R29 y 0 Q6 8 R3 I 0 I 2 I O q 8 R 4 ill r a y ill R23 5 1 1v I 0 R I 0 R22 Q8 IX e CI ll C2 g t N ci 0 I Q an N 020 I c i Z C34 6 4 017 R38 0 C28 t9 C I I UTP1 D L il w R41 C I 7 I e I 0 R 2 an r 1 C I 9 L8 0 N dVJ M LG lJ R a JFCI8 f 0 N I 0 quo 019 a Q L7 R46 N q x L5 RB2 7_ _ C N I_ C 1 25 i O ON o R21 I y C If 9 1 I i R47 r o...

Page 29: ...r recovery procedure the data will be recovered Soft errors are usually caused by 1 Airborne contaminants that pass between the read write head and the disk These contami nants will generally be removed by the cartridge self cleaning wiper 2 Random electrical noise which usually lasts for a few J l sec 3 Small defects in the written data and or track not detected during the write operation which m...

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Page 31: ...Sony Corporation 9 975 100 01 1982 8200503 2 Printed in Japan ...

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