Tandon Tandon TM-100-1 Flexible Disk Drive
Contents
1. Motes n __ SON sme ONE vino an 407 veo 409 40 403 CRI AOb cos AV t B8 ST 77773 AO Se ROI cie lt 604 351 H 100n 82 5 quer fiw 5 501 ama ca 5 7812 uzg BM CHG PUMP READDATA 7 lt gt 00 1500PF 2 410 222 2 7 A7 RP 2 898 1 1 10 741 500 RP 2 SEND 3 SPARE 11 n 12 794502 927 3 2 144500 US 74 519 2 54 Diskette Drive Adapter Logic 6 of 6 DATA WINDOW 5 STANDARD DATA CLOCK 8314 3AIHU 31131510 8 5 DISKETTE DRIVE west n 19 Le re ASNS amen ru D 39 514 DISKETTE DRIVE J pfe and TUV man TIY Sora 030016 Tiv T Gif Buy 4V2 34 IHO Wi 389 14013131 1191 0109 010 M lt lt lt lt lt lt lt lt JJ jo 7 2180 eaug ensxsiq 9 D 40 PART OF PART OF R9 40 2 e x pu L ane aw aw an moun 3 PART O2. 1 1 Write oen boa Wie aus med quisa 1 1 Daisy Chain a e kk mike e asa Sade s 1 1 Internal Trim voce ix nhc ceed Marna Seip e eO IA Rae eg t 1 1 Industry Standard Interface Compatibility 1 1 TPAC 1 2 Index Sensor 1 2 Activity Indicator 1 2 Functional ik a at e 1 2 Physical Description ee beta UE cereus RUE 1 2 PRODUCT SPECIFICATIONS Int FOU a 2 1 Mechanical Specification eh wes RES 2 1 Electrical and Operational Specifications 2 1 Reliability Specifications a tenet 2 1 Environmental Specifications 5122 de Dee deli e kare do tow al ed aes 2 1 OPERATION Introductions ger pv ke ka kt 3 1 Unpacking The Drive So oon e An 3 1 Premstatla ton Checkout ts Soy eros 3 1 Mounting The Driv rere onari pine CI 3 1 Dust COVER E ENE AA Vor 3 2
3. 018 5 08 5 41K 2225 915 Tw 14 010 4 915 n 3 9 WP 08 ule o DL Zu lt lt lt lt M 9 60 LI MUST CONFORM TO ENGINEERING SPEC ES 2000007 3 MATERIAL Q zxx ase 77 2225 HARDNESS DEREN ANG CARZ Es euis ns 1 025247 0 CLAMP SPIN D MOTOR ON 1 5812 DRIVE SELECT DRIVE SELECT SIDE ZERO CSHT 1 C DIRECTION SIDE ZERO 2 USE WRITE DATA SHT 1 WRITE GATE SHT 1 2 STEP ENABLE B SHT 2 A BATES BURGE EES SCHEMATIC DIAGRAM Te 1 2077 210 SCALE cont REV L 25247 0 393 FIGURE 6 2 SCHEMATIC DIAGRAM PCB 25247 SHEET 3 OF 4 6 15 6 16 blank 5V A 4 L 200K i 3 Cee 2 9713 OO27 10 4 25 LM 339 45V 12 hp ET 12 V 3 ca 0027 600 10 200K SHT2 MOTOR OFF TeOHZ SHT 2 SHT PHASE DETECTOR m n lt 512 12 79 22K 5 SILICONIX 174 2 1 25241 0 HALL DEVICE BIAS HALL DEVICE BIAS D et ae RETURN L537
4. MOTOR 116189 V 5 TACH CSHT 2 R69 IK 1 san D tL 4 50 24 VR 6 14 8 25K 1 LI MUST CONFORM TO ENGINEERING SPEC 0000497 RANCE UNLESS TITLE ae ees 9 RWISE NOTED i IMS LINEAR 2 case 242242 ape SCHEMATIC DIAGRAM RELEASED FOR ASSEMBLY EST EET D oe o FIGURE 6 2 SCHEMATIC DIAGRAM PCB 25247 SHEET 4 OF 4 EC HISTORY t5 noon un pee 58 6 17 6 18 blank 8 7 6 5 y 4 A 24V NOTES UNLESS OTHERWISE 12252521 lt SPECIFIED 822 To l ALL CAPACITORS ARE IN MICROFARADS SHIELD 0 390 722 50V 80 20 2 ALL DIODES ARE IN4l48 T Y ea 022 d e TPI 8 3 ALL RESISTORS ARE IN OHMS 4 5 50 R23 9 RESISTORS ARE 1 8W sov OL 4 0 0 INDICATES CUT TRACE OPTION R1 FAZ Rwol CRI Ki 3 290 SIDE 0 CT RS 2 ZRI T T 5 0 O INOICATES SHORTING PLUG OPTION 2 i AMEN TE me 2821 2 4K 6 46 INDICATES SHORTING PLUG E bere 22 16 26 FACTORY INSTALLED 2 RIT 8205 159 RIS TDISTRIBUTE CAPACITORS ON
5. E EEEO Is 3 2 interface Connections ES YEN X MC UR RA EA 3 2 Input Control Lines ou uade eo SEC Pla 3 2 Output Control Lines 2 PERDE Paes ooo e eta de d 3 4 Typical Interface Characteristics w ew a 3 4 DIO POWGPA eerie EM Ue e AE Arat E 3 5 Drive Address and Option Patching 3 5 150 Through DS3 Jumpers 3 5 MX J mper eyes tone tuo bad 3 7 and ka 3 7 Power SAVE Option i aco Eur ke ob AR 3 7 Side Select WID OE Y etr eps 3 7 Write Flip Flop Control W2 W3 3 7 Write Protect Control W4 5 3 7 Activity L E D Control W6 W7 W9 3 7 Drive Select 3 Enable W8 w ve 3 9 Door Lock Solenoid W 10 koi vine Dee a A ke 3 9 BI 4 1 kb a AE PT 3 9 Loading The Diskette gt ded 3 9 Write Protect ied ude wee eR Sta Ra oe eee abnor 3 9 Diskette Handling and Storage 3 9 ILLUSTRATIONS FIGUR
6. 892 WINDINGS 200K 22 8 A a ant 4 DC MOTOR DG MOTOR 5933 2452 PHASE CONTROL PHASE DRIVERS 2478 CSHT 2 65 047 10 C26 627 LMF 25 NES 13 NEC n c29 jan Se 24 1 5204 8 25K 15 c32 4 7 4 21 5 1 4 97 R78 MOTOR 754 RIO T SOK POWER DRIVER a Wr Seed ids 2 DC MOTOR ia A SILICONX los SPEED CONTROL 174 HIB ESE BE RIS OS TEER ESS SCHEMATIC DIAGRAM _ D e 23 5 AN e to 2 COMME 3 SIDE MAX 8 5 SCALE n v tC 10177 1 6 5 4 3 FIGURE 6 3 SCHEMATIC DIAGRAM PCB 25249 SHEET 4 OF 4 6 25 6 26 blank 2T ae 5 5 TK 18 INAOUT 29 CRY 19 CRY 2 OUT STEP B3 STEP 551 6 55015 IND i IND1 3 DR WP INI 7 4 3 2 1 Eo 57 S amp P CLOCK 4 gt SEP DATA peen 25M gt 23 2 e presse 22 p oo 7 OUT BS Lane A ai ae
7. i i TM100 1 TM100 2 FLEXIBLE DISK DRIVES 4 P N 179024 001 Notice 1 June 15 1982 OEM OPERATING AND SERVICE MANUAL 100 3 3 4 AND 4 DISK DRIVES 96 108 TRACKS PER INCH TO ALL HOLDERS OF P N 179024 001 l Page 2 13 Sections 2 6 through 2 6 1 11 has been revised and supersedes the one in the manual 2 Page 2 14 Sections 2 6 2 through 2 6 2 7 has been added to the manual 3 Retain this notice and insert it before the table of contents 4 Holders of P N 17924 8001 are requested to verify that the page changes and additions indicated herein have been entered This issuance is a separate publication Each notice is to be retained until the OEM operating and service manual is completely revised Preparing Group Product Support Tandon Corporation 111100 1 TM100 2 5 1 4 INCH FLEXIBLE DISK DRIVES 48 TRACKS PER INCH PRODUCT SPECIFICATION AND USER S MANUAL landon CORPORATION 20320 PRAIRIE STREET CHATSWORTH CALIFORNIA 91311 COPYRIGHT 1984 TANDON CORPORATION Section Number SECTION 1 1 1 1 2 1 8 1 4 1 5 SECTION 2 SECTION 3 3 1 3 2 3 3 3 4 3 5 3 7 CONTENTS Page Title Number GENERAL DESCRIPTION WOL 1 1 Scope Of The Document i tack 1 1 Purpose OF The Drives DENS SM 1 1 Major Dos ades
8. 4 SHT WRITE GATE u Da SEPARATED DATA 8 lt 4 25 C SECTOR 2221 12 DET AAA 5108 ol 29 INDEX 1501 1 38 TRK 2 LEO 745 AF i LED 558 5 1 SIDE ZERO SHT 5 4 1 ee Led D 2 READ DATA 9198 RE WP LED i 3 3282 DET Ex INDEX COMMON 1 i i 1 INDEX DET 715371516 SUPPLY zi 859 i INDEX LEDZ 825 INDEX LEDS l SALA Vm a a s 11 80 7 MATEWAL _________ TOLERANCE UNLESS lt D SCHEMATIC DIAGRAM IU PRS 024 5 RELEASED ASSEMBLY gt gem oursme race FIGURE 6 2 SCHEMATIC DIAGRAM PCB 25247 SHEET 2 OF 4 6 13 6 14 blank WRITE GATE 4 20 DRIVE SELECT DRIVE SELECT 2 ns DRIVE SELECT X 39 DRIVE SELECT 4 32 5DE SELECT Kt DIRECTION 34 HEAD LOAD lt USE WRITE DATA SHT 2 WRITE PROTECT DOOR SWITCH 8 COMMON DOOR OPEN sue SHT 2 RDY OUT 812 11 80 R87 3304
9. a 65 3 ALL RESISTORS ARE IN OPMS 144 59 54 L 5 e BOV EX 560 1 RESISTORS ARE 8 dum T WE 2 5 2 4 41 INDICATES CUT TRACE OPTION SM 7 L2 0 1 5 D 01 INDICATES SHORTING PLUG OPTION gt 8 gt RIS 6 06 INDICATES SHORTING PLUG 3 Y INSTALLED RW 2 SDEGI lt 7 DISTRIBUTE CAPACITORS ON 5V HEAD gt 25 qM 24 BUS LINES d NPN TRANSISTORS ARE PART OF CA3083 Sha EN ee ed ERO es RD lo TRANSISTORS ARE PART OF 7003906 BL N 3 CRE IO INDUCTORS AFE 10 READ CHANNEL SIDET GT 2 EY Db TARNEN y 5 Rwi2 ces es 7 E READ DATA ERASE 1 HEAD 47 SHT 2 6 CRS 3 Evi nek NE gt 27 I C TABLE SHIELD 7 8812 TYPE POSITION YCC POWER I 56 9 16 5 R9 12 5 300 0 i 7 WR APA ia 2 DATA SHT 3 pe GATE L 233 SDE 2 1 24V BRAI Ol 4 7K TASK lULN 206058 UII T E 229 10 a 1 7404 ule 4 7 WRITE ERASE pr pu R37 2 2 DRIVER HEAD SELECT Sal 190 of US io gt gt 74 520 4 ai R36 4 _ 177 93206 6 7414 7 2 32 RA N Y7 D
10. e Took Doe ERN 5 4 Msn SHTZ lt 2 R79 ee 15 yon lt 13 NEC i 528 Sauz a ca4 q SHT 2 ELOA i 8 474 SO 55V x 8 2 a L E lt 22K POWER DRIVER te ee eee ae a 2 527 DC MOTOR A SPEED CONTROL 4 CONFORM TO ENGINEERING SPEC way SENA ELT ERS See po yes Dem SCHEMATIC E io rann SHEET MES or ES NES lt eris cum PO mx 512 12 79 7 6 5 4 4 3 FIGURE 6 1 SCHEMATIC DIAGRAM PCB 25227 SHEET 4 OF 4 6 9 6 10 blank SHIELD R W d SIDE 0 CT RA 2 ERASE 0 R W SIDE RW 2 ERASE MM SHIELD WRITE DATA SHT 24 WRITE GATE SIDE 2 WRITE CURRENT SWITCH SHT 2 TRACK 40 512 12 79 eR SD 7 6 5 4 3 2 24 NOTES UNLESS OTHERWIS SPECIFIED l ALL CAPACITORS ARE IN MICROFARADS EI Ree 50 20 80 20 09 2 Dan 4 2 ALL DIODES ARE INala8 4 5 3 ALL RESISTORS ARE IN OHMS 5 p i 213 618 1 RESISTORS ARE 1 8 Old Ole 4 8 5 INDICATES CUT TRACE OPTION RIG 5 0 0 INDICATES SHORTING PLUG OPTION 6 40 INDICATES SHORTING PLUG FACTORY INSTALLED RIS DISTR
11. i em BK e 752 A asv V8 gt L L o s 210 to al REBO WRITE 3 ES E 46 x eoo OG 215 Rus 256 499 gt 24 10 VBW iY 2 CIT ZON 460 5 READ DATA 5VA SYA i 4 octo SY x JWE ST 4 REMO WRITE 17 K awit 0 lt iYe O 12 cra gt 2 1454 210 Su RL UN 5 ML yx vew wo ji SEP DATA 12 52 3 RST 270 BVA JOK ai READ GATE DB uh ARIS a ee XS BOO SEP CLOCK DATA 45V USED ON RAA esi aSGSEMBLY SIK 3 4 Ola WRITE PROT LED LED 15104 INDEX LED 505 100v 5 e 2500 2 agioT 1 5859 52 SEE COR Eine Cowon SALE AKI TRIS SOUS 3 6 2 HOP FRANCE UNLESS Per cu GE NLAY FL CAO OD AWS NOTED CISkKETTE BOO LERIES 37 7924 TE c DERE LY 5 b mn REF DESIGNATION 1C DESIGNATIONS REVISIONS LAST USED NOT USED LOCATION DESCRIPTION BY DATE APPROVED IA PILOT RELEASE Pea 2A __ 555 RELEASE
12. SENSOR ELECTRONICS 4 PED ayi NES EN Pet ON dn PART TACTWTY LIGHT DOOR LOCK 225247 SOLENOID DRIV ER _ R47 gay DOOR LOCK m jo 919 561 lt 23 ND CERTE N4003 4223 1590 Lock i 1 MUST CONFORM TO ENGINEERING SPEC a RISSE EFE D 22006 6 AMON MOTOR OFF a st 720 SER Li 589 MOTOR ON MOTOR R 00 54 READY SHT3 DRIVE SELECT 65 lt C TRUE READY 14 7 SHT 4 TACH IN U TULTS ee a 251 D 24 2230 22 N OUT ULN 20658 24 min ka m a 4 4 INDEX SECTOR 8 DI tL INDEX SECTOR TAY IND WRITE PROTECT SHT3 SHT 4 POR POR _ 22 3 u ae ae WRITE PROTECT BECTON SPE Two p l gt 25 SHT 3 H DANE SELECT aM 05 5 ae si STEP SOTEN dan HEN db 9 d DISK CHANGE 1 TRACK 2o IKG I TRACK 4 WRITE dus 2 p 003 3 e re SEPARATED CLOCK SHT 1 READ DATA RD
13. WRITE PROTECT SHT3 299 gt POR POR 3 EN l WRITE PROTECT DOR CLOSED 796 25 3 SHT3 DRIVE SELECT 05 gt 5 Dir Two SIDED STEP ENABLE d STEN DC 2 la aK TRACK 523 m ee man De WRITE PROTECT WP IN 50 SEPARATED CLOCK SHT 1 READ DATA 48 SHT 3 READ ENABLE CRY 2 5 B 3 DIRECTION 3 4 elu tee ES 2408 5 SECTOR B LI 12 TRKd DET 5 a 20 INDEX 1500 BLED AAS b 14 LED 590 2 2 T SIDE ZERO SHT 3 1508 wp up 1342 10 8 2 READ DATA WP DET IN 1 Li i 1 1 1 1 1 INDEX DET 3 12 14 rv l 1 1 COMMON INDEX DET 1537 15 16 SUPPLY 2 1500 INDEX LED 84 18 4 INDEX Leos L M37 LL MUST CONFORM TO ENGINEERING SPEC ES ea SHENS ERER EISE E BERE SERERE 5 302 4 INDEX LED NY Saba SCHEMATIC DIAGRAM 25 SENSOR CORNERS i Lei hee Em Eme sc 2260 3112 11 80 8 7 6 5 4 3 2 FIGURE 6 3 SCHEMATIC DIAGRAM PCB 25249 SHEET 2 OF
14. 2 1 75 28 5 EN 325 3 Ji 146 05 MM 82 55 5 50 3 39 als 139 70 gt 0 86 og T lt 21 84 1 52 MM 152 2 23 SERVO SERVO ka no CIRCUIT m CIRCUIT en BOARD Pod A gS H ur T E 22022 2 E b KO i s 2 8 00 a 203 20 MM 7 75 196 85 7925 06 d SON e 22 207 e LOGIC CIR AN 45 312 79 25 Hi DIG 47 50 MM 4 At III X Y ote oe ANSEES ya MANN A 019 587 338 4 83 kl ii 149 10MM 3 85 85 L 029 7 37 MM 3 38 85 85 MM NOTES 1 DIMENSIONS ARE GIVEN IN INCHES METRIC EQUIVALENTS ARE IN PARENTHESES 2 TOLERANCE ON ALL DIMENSIONS 0 020 INCH UNLESS OTHERWISE SPECIFIED 3 WEIGHT IS APPROXIMATELY 3 POUNDS 1 35 KILOGRAMS FIGURE 2 1 DISK DRIVE OUTLINE DRAWING 179059 001 an CORPORATION CHATSWORTH CALIFORNIA 91311 REV A 2 2 TABLE 2 1 ELECTRICAL AND OPERATIONAL SPECIFICATIONS Media Media Life for reference only Tracks Per Inch Tracks Per Drive TM100 1 TM100 2 Track Spacing Head Life Disk Rotational Speed Average Rotational Latency Instantaneous Speed
15. 46 TRACK DISK ANGE WRITE PROTECT XB BOO WRITE PROT PULL o READY TUOEX SECTOR Read DATA SEP DATA CLOCK WRITE POT LED LED INDEX LED MATIC GRAN BOOM 25100 2 joo gt 151 RELEASED FOR v 175 4 tw 38 m E i5 TRACK WERO D 2 1 RIS TRACK EERO gio 71 P20 422662 6 12 1 DSK CHANGE DEV SEL INT 8 b 14 RITE PROTECT WRITE PROTECT L gt e T V 5 WRITE PROT 210 fo 14 ORV INT 55 PULL ve DOOR CLOSED e gt S 2 P 3 err reir lii __ 9 lt p po tt READY Sv 21 4 INDEX SECTOR 7 81 uw Hm Ivox m 64 22 1 21 216 12 25 10 Rid 2 gt 55 5V 390 64 3 Bak 58 Sa 4 55 5 al R SECTOR SEPERATOR 1 5 146 OQ USED OW eu ASSEMBLY 9 2510u D SECTOR 25107 6 2 SVA RTI
16. 41K 9 09 K 1 Ode RI 12 Ss 820 24213 MOTOR MOTOR 2626 OTT RIB LI I2 W 2v AB 12 ouh 12V RETURI JE 8 T 3 3 PANT We DESCRIPTION 3 IS NOT REQUIRED WITH 640212 001 BOARDS REVS A AND MOTOR DRIVE 2 ALL CAPACITORS MICROFARADS l ALL RESISTORS IN OHMS 4 5 pio 20007 a O NOTES UNLESS OTHERWISE SPECIFI Set 0 5 UNLESS O CIFIED ScALENONE CoNoTscaleowa oF BISHO GRAPHICS ACCUPRESS REORDER 2599 6 DIM ARE IN MILLIMETERS TANDON IA Si DISC DRIVE VIEW FRONT cELECT DRIVE JUMPER IN 06 0 05 17 ete EVENS CY 0005 1533 odd Go TO ic goud of tonnelor Skrip 1 PIWOUTS TRM DELIGE AY joy 7 Sipe Q TACK Spor vse 18 Dit ecTioN KETUR wor 22 STEP STEN Puig GE MD X uer spp TO POZ SEE SCHE MATIC D 3s D J E DAIR eut lt 92 SELECTOR AT ENABLE lt 10 gt gt 10 gt N05 26 TRACK 2 px lt 12 NDS T A e qwe Dime spite 40 WRITE PROTECT Cog PROTECT Dawe SELECE A gen M eenn yann lt 165
17. LOCK 5v 550 649 4 L D gt a 4 a reg b Te27 Wege SAMNIO eee 4 D 2902 330 5 a n ka a i a RCS 36 i o MOTOR OFF STEP SHT4 MOTOR ON Lo SHT 3 SELECT 05 IN USE em LIN USE SUT 4 TACH TACH IN 2 STEPPER 25 MOTOR 5 2 757 IND MN 2 I4 INDEX 14 i 74532 171 ec ron 23 12 9 i 14 8 ROY 7 lt pepe 45 2 L 22 3 da 14 gt 16 gt de 201 cra e ome 20653 24 MOTOR DRIVER sector d NETS 2 ce ee eee TRACK 40 INDEX SECTOR Pss 7 lt lt lt lt 6 PROTEST SH TID SHT 4 POR 26 12 I necs ee SHT 3 DRIVE SELECT 5 TWO SUED 4 STEP ENABLE 5197 G 0 DISK CHANGE TRACK 543 3 4 AK TRACK WRITE 3 8 56 2 SHT READ DATA edo L OS SEPARATED CLOCK 3 READ ENABLE 23 4892 26 SEPARATED DATA 5HT 3 DIRECTION B 77222222 8 DET AS R57 1 5 1502 2 LED AN 2 5 2 LEO
18. infractores exigir ef correspondiente resarcimieato de da os Sin nuestra expresa autorizaci n queda terminantemente prohibi da ia reproducci n total o parcial de este documento como uso indebido y o exhibicion o comunicaci n a terceros De 108 y perjuicios Se reserva todos los derechos para de ia con cesi n de patente de invenci n registro de Modelo industrial and giving it to others and the use or communication of the contents thereof are forbidden without express authority Offenders are liable to pay grant of a patent or the registration of a utility model design ment of damages All rights are reserved in the event of the Copying of this document REF DESIGNATION 1C DESIGNATIONS REVISIONS LAST USED NOT USED LOCATION TYPE BY DATE APPROVED A PILOT RELEASE ci 2A 555 MFG RELEASE on pen cr o 50462 1 Banjks ee 2 CR O 50414 0 pu ANT Can T cw 2 Di REVISED PER 50589 li paste Gidi RI 12 A ES 12 e R4 RB C5 RIG TACH 1 23016 901 2 2 033 15K gt R9 2 afe 4552 RI pik G 2K 25 lt 5 h D 16 R2 Qi 12 3 9K 2 ca 1 10 TIP 120 TACH 2 16 2 oak 1 RI3 RIS E m 30
19. the drive logics are enabled but the front panel L E D is not on The MX jumper must be cut in a multiple drive system HS AND HM JUMPERS HS and HM jumpers are not used and must be cut POWER SAVE OPTION When shipped from the factory the drive is con figured with a jumper at R51 0 ohm resistor for the TM100 1 and TM100 2 drives R51 main tains 200 milliamperes of current to the stepper motor whether or not the drive is selected Main taining power to this motor prevents the head carriage from moving when the drive is not selected The jumper at R51 may be moved to position R50 which removes the power to the stepper motor when the drive is not selected for a savings of approximately 3 8 watts per drive When R50 is used the user must ensure the track location when the drive is reselected SIDE SELECT W1 For use in double sided drives W1 SIDE SELECT For use in single sided drives TM100 1 For use in double sided drives TM100 2 3 7 WRITE FLIP FLOP CONTROL W2 W3 W2 and control the set and preset lines of the write flip flop IC 5C W2 is installed for the standard configuration W3 is for special use W2 WRITE FLIP FLOP CONTROL Disables set and preset lines on the write flip flop only during internal N Write Disables and preset lines on the write flip flop continuously WRITE PROTECT CONTROL W4 W5 Write Protect Control from the write protec
20. 3 SIDE ZERO SHT 5 we 10 alusy 2 25 READ DATA _ 2 WE TED Se 38 INDEX DET 1 16 18 COMMON 5 pe A 4 INDEX DET pou 215 SUPPLY L 020 INDEX LEDS al Ut 5 1 a A 4 INDEX LEDS zl ES 300997 EMES sey gt INDEX LED t owe 3 TITLE a 25 AWISE NOTED SCHEMATIC DIAGRAM SENSOR ELECTRONICS l elah ne RELEASED ASSEMBLY ETS eae OMNI UE ppm CLE t 2 PART e c 02522 11987 7 6 5 4 3 FIGURE 6 1 SCHEMATIC DIAGRAM 25227 2 4 6 5 6 6 blank 5 5V RES 54213 220 2201 7 05 7 DRIVE SELECT 1 2 lt lt lt 52 DRIVE SELECT 2 28 0D CRVE SELECT 3 B DY 1 DRIVE SELECT 4 4 uq 4B m Prs YON DRIVE SELECT DRIVE SELECT SIDE SELECT SIDE ZERO SHT 1 C DIRECTION DIRECTION MOTOR ON HEAD LOAD SIDE ZERO 2 IN USE IN USE LL WRITE DATA SRT 1 7 WAITE DATA WRITE
21. 3 2 1 2 REVISIONS T 8 8 0 gt ps7 c EE ose urs mirus EE Ji 32 5 gt D 6 RT dnm pr E 154K 1 RU C CRO 50433 LE Lab 22 k 50542 2 5 26 047 5 0 IE 1 11 30 3 85 RE 6 2K 03 12 O R3 T 14 23 J4 2a 73 13 0 Ui Aiko 25 53 2 33 30 URS JA CO 13 4 86 J3 6 x 54 27 8 5 27 4 Kif 257 0813 3 7 0 73 9 CRIT 28 23 8 c a 24 45 73 10 44 5 4447 o TK 00 WIT lH J4 30 R30 R31 J E 120 47K sana 5 6 J4 6 d er pl fre 3 6 a 21 24 k Ji 28 0 9 0 Ji 22 31 8 5V R42 R43 R47 6 180 47K 49 033 2 QO 44 13 ACTIVITY M dn 2 19 2 3 24 0 24 0 3 2 38 SECTOR al d 8 INDEX 3 SENSOR Ta 5 6 is ee READ 7 ort E 0980 14 Ji e 050 14 200 MOTOR ON 2 13 5V 24 49 18V Ti 10 1 29 ie 24 220 12 RET Ji 12 D52 R55 2 A IK 81 14 A 24 4 0 DOOR LOCK 24 1 DOOR LOCK WDICATES OPEN COLLECTOR 8 A INDICATES POWER INTERCONNECTION 7 0 INDICATES INTERNAL CONNECTOR 22 2 6 CCR INDICATES INTERFACE CONNECTOR DESIGNATIONS REFERENCE MATERIA
22. MILLISECONDS 200 3 MAXIMUM MILLISECONDS ki ai an INDEX 500 NANOSECONDS a 8 MILLISECONDS MAXIMUM e ea TRACK 0 500 NANOSECONDS lt MAXIMUM pes WRITE PROTECT SIDE SELECT 100 NANOSECONDS ka 22 2 2 21212205 215 MINIMUM DIRECTION 5 MILLISECONDS y 100 MINIMUM MINIMUM n 200 NANOSECONDS i MINIMUM MINIMUM gt STEP 100 NANOSECONDS gt la MINIMUM 20 MILLISECONDS MAXIMUM WRITE ENABLE 250 MILLISECONDS MINIMUM 900 390 MICROSECONDS ERASE GATE TUNNEL ERASE 200 NANOSECONDS MINIMUM 2100 NANOSECONDS MAXIMUM 152 MICROSECONDS WRITE DATA 100 MICROSECONDS _ MINIMUM 4 MICROSECONDS es MICROSECONDS READ 250 MILLISECONDS __ MICROSECOND MINIMUM ka NANOSECONDS 8 MICROSECONDS FOR REFERENCE ONLY FIGURE 3 2 CONTROL AND DATA TIMING REQUIREMENTS 3 6 that addresses each individual drive in the daisy chain The terminator resistor pack RPI located on the logic circuit board should be in stalled in the last drive of the daisy chain All other drives on the interface must have the resistor pack removed MX JUMPER The Multiplex MX jumper is used only in single drive systems when the user requires the drive logics to be enabled at all times If the drive is not selected through the DS jumper and the MX jumper is not cut
23. Variation ISV Motor Start Time Motor Stop Time Seek Time track to track Head Settling Time Average Track Access Time including head settling time Typical Recording Modes Data Transfer Rate Flux Reversals Inch inside track Both Models Side 0 111100 2 Side 1 DE CORPORATION CHATSWORTH CALIFORNIA 91311 ANSI compatible 5 1 4 inch diskette 4 10 passes per track 48 TPI both drives 40 tracks 80 tracks 0 529 millimeters 20 8 milinches 20 000 media contact hours 300 RPM 1 5 percent 100 milliseconds 3 percent 250 milliseconds maximum 150 milliseconds maximum 5 milliseconds 15 milliseconds 75 milliseconds FM MFM MMFM 250 000 bits per second double density 5 535 FRPI 5 877 FRPI 179059 001 REV 2 3 TABLE 2 1 CONTINUED ELECTRICAL AND OPERATIONAL SPECIFICATIONS Unformatted Recording Capacity TM100 1 250 kilobytes per disk TM100 2 500 kilobytes disk Voltage and Current Requirements 12 volts D Power 12 volts 0 6 volt 900 milliamperes average 100 millivolts peak to peak ripple volts 0 25 volt 600 milliamperes average with less than 100 millivolts peak to peak ripple 5 volts D C Power Shipment When prepared for shipment by Tandon the drive meets the requirements of NSTA preshipment test
24. is normally 15 watts 51 BTU per hour under high load con ditions When the drive is mounted so the compo nents have access to a free flow of air normal convection cooling allows operation within the specified temperature range When the drive is mounted in a confined envi ronment air flow must be provided to maintain specified air temperatures in the vicinity of the motors printed circuit board and diskettes When forced air is used air flow must be direct ed outward from the drive Do not intake air through the drive or heads and diskettes 3 4 INTERFACE CONNECTIONS Interface connections for the TM100 1 and TM100 2 are made via a user supplied thirty four pin flat ribbon connector 3M Part Number 3463 0001 or Amp Part Number 583717 5 using contact Part Number 1 583616 1 for twisted pair or its equivalent This connector mates directly with the circuit board connector at the rear of the drive The D C power connector is a four pin connector at the rear of the drive The interface description of the connectors and the location of each one is contained in this section Interface lines are located in Table 3 1 D C power connector pin assignments are located in Table 3 2 The signal wire harness should be of the flat ribbon or twisted pair type 26 to 28 gauge conductor compatible with the connector to be used The recommended cable length is ten feet maximum TABLE 3 1 DRIVE INTERFACE LINES AND PIN ASSIGNM
25. to daisy chain a maximum of four units at the user s option The last drive on the daisy chain terminates the interface The terminations are accomplished by a resistor array plugged into a DIP socket INTERNAL TRIM ERASE The drive provides the control signals necessary for proper trim erasure of data INDUSTRY STANDARD INTERFACE COMPATIBILITY The drive is compatible with controllers that use an industry standard interface TRACK 0 SWITCH The Track 0 switch is provided to generate a logic level at the drive interface indicating the read write head is positioned at the outermost track INDEX SENSOR An index sensor is provided to generate electrical pulses at the drive interface coincident with sensing Index Sector holes on the diskette ACTIVITY INDICATOR An activity indicator located on the front panel is automatically illuminated when the drive is selected 1 4 FUNCTIONAL DESCRIPTION The drives are fully self contained and require no operator intervention during normal operation Each drive consists of electronics to generate and interpret control signals a head positioning system a read write system and a spindle drive system When the front latch is opened access is provided for insertion of a diskette The diskette is held in place by plastic guide rails Its location is ensured when the diskette is inserted until a back stop is encountered Closing the front latch activates the cone clamping me
26. 12 T 40 lt MH 1s TWO SIDE ME Lom ee AND 0 CHG OUT FIGURE 6 4 LOGIC EQUIVALENT PIN 16271 X LOCATION U13 6 27 6 28 blank TRACK WERO D Dev SEL WRITE PROTECT ORV SEL INT XSBOO DOOR CLOSED XSBOO POR TNOEX SECTOR RESD WRITE 1 XS BOO READ WIRITE 1 XS HOO READ GATE XS OOO 15 21x L4 VA 811 BVA 20 Rio 2 I ds rN n a p reves y 10 14 SECTOR SEPERATOR USED ASSEMBLY 25100 15107 CIT 100 3 XXL M ou cti pad TA SVA TPS 256 489 0 2 4 15 1 mec 5 E 54444 Ur A 41 ve 1 c RO t esa gt 5 E 2 2 C22 1 a SVT Tava 522 SX oY gt ava 0 ere DATA SsParATOQ 5 LSED OU MOD 1505 100V 5 e 75 25 07 MATE 22 222 TEN E CLE SS AWISC Wott pert ir E sa r an alert wt 2 2 44 10 4
27. 4 6 21 6 22 blank 025249 5V 885 R86 2200 2201 D DRIVE SELECT 28 ORIVE SELECT 2 X MOTOR ON 2 DRIVE SELECT 3 30 DRIVE SELECT 4 OL BE AAA DRIVE SELECT SHT 2 dec eus 14 DRIVE SELECT SIDE ZERO SHTI C OIRECTION DIREC TION MOTOR ON HEAD LOAD 18 We SIDE ZERO SHT 2 iN USE TIN USE 40 WRITE GAT E GATE WRITE DATA SHTI WRITE DATA 38 WRITE GATE sus 1 SHT2 WRITE PROTECT READ ENABLE Ses DOOR OPEN 8 STEP ENABLE SHT 2 B B DOOR 2 DOOR SWITCH ETE gt 2 COMMON alk DOOR OPEN A MUST CONFORM TO ENGINEERING SPEC 300000 TOLERANCE UNLESS me SCHEMATIC DIAGRAM ee Seana HARDNESS lt ser or 4 a OUTSIDE SCALE coce AAT LLL sc 025249 2260 8112 11 80 gt FIGURE 6 3 SCHEMATIC DIAGRAM PCB 25249 SHEET 3 OF 4 mmi SHT SHT 2 D LOCK 12 79 1 O25249 MOTOR OFF 777 50 VO Yo 001 Sov 10 Pa 101 HALL DEVICE BIAS RETURN 24V ean DEVICE BIAS D 200K n ms K y 3 2 LM339 024 22 2
28. 438 15472 4 3 2 1 REVISIONS R57 CPR REV DESCRIPTION DATE APPROVED A W 047 y Rev f 1 P 4 POT EELEATE LT Ji 32 SPE 36 1 50 16 KB pot 154K 1 583 C_ CR O 30433 KB 43 R26 2 47 3 5V Saak lt 9 50642 2 47 197 1 0 R24 15 14 P y R W HEAD 0 asy bas o 4 W H 10 f 46 m 249 5C 5 50 5 s E70 31 30 P s 43 11 890 8 9 7 4 2 IK ap 1 30 lav 6 E 10 J4 23225 v A 024 242 73 13 Rie pi D 5 34 250 7 m 1 43 2 0 21 511 24068 sg 300 2 4 20 93 3 2 3 1 MOTOL 43 4 o 08 A 13 0 LIN 9313 274 dives CRI3 3 23 7 2 5 JA 73 9 i 13 CRIT ra 28 095 2 8 c 7 m 4 ES se 73 0 0 m 3447 Q E TK OY 20 24 45 ACTIVITY LED O J4 200 MOTOR ON 74 19 V 220 12 RET ja 49 2 24 4 DOOR LOCK 34 1 DOOP LOCK DESCRIPTION MATERIAL LIST REFERENCE DESIGNATIONS LAST USED NOT USED REMOVE ALL sunas ALL 60053
29. 58 0 24 46 6 a 4 7 TK OD TIH WRITE Eus x T y PROTECT 24 8 SENSOR 11 24 2 41 28 a Ji 22 f R42 R47 80 419 033 E ACTIVITY LED J4 10 SECTOR L INDEX 9 Ja n gt HEAD 2 44 7 6820 a 14 0 gt 14 200 MOTOR ON 2 34 19 11 10 Hz Fo 5V San 03 A IDA 5 9 d 220 12 RET B 31 12 052 10 5 5 14 21 Q 55 00 E D 24 4 0 DOOR LOCK J4 1 DOOP LOCK D OPEN COLLECTOR 8 A INDICATES POWER INTERCONNECTION 7 0 INDICATES INTERNAL CONNECTOR 6 INDICATES INTERFACE CONNECTOR DESIGNATIONS REFERENCE aA Ji 2 oer 5 INDICATES JUMPER OPTION PADS LOCATION 4 ALL CAPACITORS ARE IN MICROFARADS DESIGNATIONS 41 34 141 505 3 ALL RESISTORS ARE OHMS MW 5 AC 741500 SPARE TIMING VALUES INDICATED ARE NOMINAL ips qasi eR HASE 1 TYPICAL TERMINATION WHEN AA 3D soi 8 PART NUMBER 618417 00 220 SE SAU a spo S 7 2905 2 NOTES UNLESS OTHERWISE SPECIFIED SERE SEEDS ARA
30. 5V 200 IK AND 24V BUS LINES 8 NPN TRANSISTORS ARE PART CA3083 CRIO lt gt 9 TRANSISTORS ARE PART OF TPQ3906 eee 5 B 1 IO INDUC TORS ARE 10 READ CHANNEL SIDEI CT eds e RWI2 CR READ DATA 8 SHT 2 ERASE gt TABLE SHIELD READ WRITE TYPE POSITION NCC GND MATRIX ______________ ______ 4 WRITE DATA po a 2474 020 7 34 WRITE 4 4 us WRITE ERASE 20011 2 DRIVER HEAD SELECT Gol 0 45V 7408 jui8 6 7 n 220 nm 2301 4 7K 2 4 ar WRITE CURRENT SWITCH Z 2596 Lise 07 2 5 SHT 2 TRACK 40 9 AW SI 037 639 ayy 20 4 22 2 25 JANE 867 52 SHT 2 5 4 z 5V 7 C38 USED ASM T oc lt lt lt lt 22 6249 1 20 18 3 5 1 1 5 7 24 t ae ERU ES ERTS RIS SS ETC REE Gi Ol ____ a Gaal sess V JI 21515181 ar ar em ALL ODD PINS CHASSIS GND E 512 12 79 7 6 5 4 4 FIGURE 6 3 SCHEMATIC DIAGRAM PCB 25249 SHEET 1
31. AF 19176 65029 00 10 sua or FORM 388 10 77 8 7 6 5 aaO 94 5 J4 gt R30 120 WRITE PROTECT 257 SENSOR 14 2 0 0 J4 8 0 JI 84 Ji 22 14 2 R43 R47 m 120 19 033 E 14 i J4 0 lao 5 CRIB CRIS 3B SECTOR INDEX BENSOR TPS 6 L 7 Ji e 950 1 JI 10 ir o3 Ji 12 55 a 21 14 Hor oy BI M79 IF 30 ee 3 2 go 3148 DIR ze gt of 9 moicares OPEN COLLECTOR 5 8 INDICATES POWER INTERCONNECTION 6 9 7 O INDICATES INTERNAL CONNECTOR OIF O 6 CZ INDICATES INTERFACE CONNECTOR Ji 2 5 Ch INDICATES JUMPER OPTION PADS LOCATION TYPE A Mida 4 ALL CAPACITORS ARE IN MICROFARADS lA UAT33 3 ALL RESISTORS ARE IN OHMS l4w 5 5A LMai9 SPARE 2 TIMING VALUES INDICATED ARE NOMINAL 38 CA3086 1 TYPICAL TERMINATION WHEN A sy 48 40 741574 8 PART NUMBER 618417 001 220 58 741586 sho INSTALLED IN LOCATION N 7 ic 2905 NOTES UNLESS OTHERWISE SPECIFIED 7 FORM 38648 10 77 3 7 6 5 DESIGNATIONS LOCATION IDA 108 3D 2F TYPE 741 505 741500 15451 TALSIA 7
32. ENTS Input Control Lines Controller To Disk Drive Connector Clamp Spare Drive Select 3 Drive Select 0 Drive Select 1 Drive Select 2 Motor On Direction Select Step Composite Write Data Write Enable Side Select Output Control Lines Disk Drive To Controller Index Sector Track 0 Write Protect Composite Read Data Spare INPUT CONTROL LINES DRIVE SELECT LINES The Drive Select lines provide a means of select ing and deselecting a drive These four lines select one of the four drives attached to the controller When the signal logic level is true low the drive electronics are activated and the drive is conditioned to respond to Step or Read Write commands A Drive Select line must remain stable in the true low state until a Step or Read Write command is completed When the signal line logic level is false high the input control lines and output status lines are disabled The drive address is determined by a jumper select on the logic circuit board Drive Select lines 0 through 3 provide a means of daisy chain ing a maximum of four drives to a controller Only one can be true low at a time An unde fined operation results if two or more drives are assigned the same address or if two or more Drive Select lines are in the true low state simultaneously MOTOR ON When this signal is true low the drive motor accelerates to its nominal speed of 300 RPM and stabilizes at this speed in less tha
33. ES Figure Page Number Title Number 1 1 kebab 1 8 2 1 Disk Drive Outline Drawing UN YO e eu E a e 2 2 3 1 Electrical Interface Characteristics 3 5 3 2 Control and Data Timing Requirements 3 6 3 3 Logic Board With Programmable Shunts and Option Patching Locations 3 8 3 4 Recording Media id iz pt EC d am a a ab A EP 3 10 3 5 Write Protect 3 11 3 6 Diskette Handling and Storage 3 12 TABLES Table Page Number Title Number 2 1 Electrical and Operational Specifications 2 3 2 2 Reliability Specifications EA Wen pd 2 4 2 3 Environmental Specifications 2 2 5 3 1 Drive Interface Lines and Pin Assignments 3 2 3 2 D C Power Connector Pin Assignments 3 5 il 1 GENERAL DESCRIPTION INTRODUCTION This document provides required information in order to evaluate and incorporate Tandon s disk drive into a system Tandon Corporation s Model Number TM100 1 and TM100 2 are full feature 5 1 4 inch flexi ble disk drives They are com
34. F 21 522 NOTES 1 RESISTORS ARE IN OHMS 5 1 4 W 2 1 RESISTORS ARE 1 8 W 3 CAPACITORS ARE INu F 20 35 V 5 Diskette Drive Logic 3 of 3 0 TIP 110 2N4124 21 POWER MOTOR RETURN N MOTOR ON PART OF P20 311375 0 WAS landon CORPORATE OFFICES 20320 PRAIRIE STREET CHATSWORTH CA 91311 TELEPHONE NO 213 993 6644 TELEX NO 194794 TWX 910 494 1721 P N 179059 001 T5017A 1 84 PRINTED IN U S A
35. GATE 1 SHT2 WRITE PROTECT READ ENABLE DOOR OPEN Fy WP 08 ENABLE o4 B B B DOOR SWITCH 8 COMMON uis 2 5 X WE SPIN 9 TAN SHT 2 won CLAMPED SWITCH an VA COMMON CLOSED 15 CLAMPED A A SHT 2 RDY OUT er 4 r r eee or 7 w w 1 MEAE ME NA CONFORM TO ENGINEERING SPEC 300002 DIGEAETEGETEBTE 5 71 ee SCHEMATIC DIAGRAM A oie a Goss aoe 1 89 rene 1079 AN A L 5442 11 80 7 6 5 4 3 2 FIGURE 6 1 SCHEMATIC DIAGRAM PCB 25227 SHEET 3 OF 4 6 7 6 8 blank 7 5 lt MESE DEVTE 97 HALL DEVICE BIAS D RETURN Rot 5 3 MOTOR VANDINGS lt 5 1 A 1117 So oc MOTOR DC ETC 553035 3X PHAS CONTROL DRIVERS RE pe RTL I SHT 2 MOTOR OFF ime ET ERR 2222222 SHT 2 ROT NAN 2 C27 15 C28
36. IBUTE CAPACITORS ON 5V IK AND 24 BUS LINES 8 NPN TRANSISTORS ARE PART OF CA3083 9 PNP TRANSISTORS ARE PART OF TPQ3906 IO INDUCTORS ARE 02 HEAD 5 READ DATA SHT 2 TABLE e POSITION 640 16278 0 2 5 pum e 9 05 T 414 7474 025 22 7404 2 1627 1 1 013 ee E 5 420 0 4 gt fee ET A 74 4 7 17455321 017 018 n H4 18 ra 125 __ _____ 14 7 EORUM WRITE ERASE DRIVER HEAD SELECT 2 5 u E RR 5 L e Sus e 1 R19 I2 71K R29 24V C39 TPC 0 POR id E SHT 2 2 4 24NR 2 94 249 Ril Z60 ToV cree Gn PEET Sa ye a e USED ON ASM OA 025247 0 5VR MUST CONFORM ENGINEERING SPEC 5 30000 0 TOLERANCE UNLESS 227 e OTHERWISE NOTED SCHE M ATIC DIAGRAM glo 860 case DEPTHE mum HISTORY FANGULAR OO APR 7 CHASSI s jiye ours ax ae a 6 5 4 FIGURE 6 2 SCHEMATIC DIAGRAM PCB 25247 SHEET 1 OF 4 6 11 6 12 blank SHT3 CLAMP SPIN INDEX LED
37. L LIST 44 2 5 Ch INDICATES JUMPER OPTION PADS LOCATION TYPE LOCATION TYPE A 4 ALL CAPACITORS ARE IN MICROFARADS uA733 36 141 505 DESIGNATIONS 3 ALL RESISTORS ARE IN OHMS 4w 5 5A LM3I9 741500 7 2 1 TYPICAL TERMINATION WHEN 48 40 74 374 3D 741 514 8 2 PART NUMBER 6 8417 00 220 5B 86 15 INSTALLED IN LOCATION 7 3B 5 2 ic 2905 2F 7438 2C 5C 96LO2 4FB 75472 FORM 388 10 77 7 6 5 4 8 7 6 5 4 3 2 1 REVISIONS is e AE REV DESCRIPTION DATE APPROVED 4 PLOT KELEATE 2 LIH Ji 32 92 ka CRIO 504116 EE 154K 1 CR O 50433 db JO R23 ERO 50542 2 5 ume ur AT D 1 5A 1 GRI HEAD D 10 CR2 R9 SCIE Gy 31 30 23 1 L T u 1 ot 68 Ria 7 GY 1 14 IEC 2 3 3 8 JA 23 L RIO 1 21K m l Tt Se 1 6 CRM 5 54 259 7 D 0 0 00 23 2 047 240 240ub PRE 51 175 J4 26 ON m 22 MOTOR 0 mes 1 0816 74 21 8 5 8 27 4 KAN V LOWER 2 nee 6 PR CRIT 9 ra eg 2 40
38. Me Ten kon B cr o 50462 ____ CR O 50414 ea K B 5 eere sosea Leber D Repeawn CHANGES 6 4 eee 12 DI REVISED PER 50589 TAY ss Gad Hii 225255 R1 64 HER 12 Et 0047 12 R4 4 RIG EHE TACH 1 41K K 001 lt l2 5 O33 15222 9 29 3989 iO ips R2 25 3 01K 9 05 RI Te His G 2K 5 215 h 6 Ral Ql HH 12 3 9K 2 ca 1 2 TIP 120 TER 2 e lt gt i c 41K 2 2 TACH 2 16 2 SIK Te 7 25 55 RIS HR 31 4K EM 41K 9 09K 1 1 1 59255 12 820 sisi 214123 MOTOR 5 12 MOTOR JETO RIB LI WoW 7 12V RETURNIJ co QTY DESCRIPTION 3 2 IS NOT REQUIRED WITH 640212 001 TI RELEASE SCHEMATIC DIAGRAM BOARDS REVS A AND B CH SURFACED YE MOTOR DRIVE PWB 2 ALL CAPACITORS MICROFARADS I ALL RESISTORS IN OHMS 5 NOTES UNLESS OTHERWISE SPECIFIED BISHO GRAPHICS ACCUPRESS REORDER NO 2599 HEAD zen 42 UPPER WRITE PROTECT TUN SENSOR 0 44 5 7 6 5 4
39. OF 4 6 19 6 20 blank 8 7 6 5 4 3 2 1 EM enm xq DM IERI LIGHT DOOR LOCK 1025249 SOLENOID Bg 5v 2197 1 6 919 1501 2 548 1N4003 51 gt 019 47945 a DOOR LOCK t 38 550 0406 4 1 i 2 an 38 S D a a qum uy a MOTOR OFF Jen STEP MOTOR ON p 47 03222 READY SHT 3 DRIVE SELECT re gt 4 L USE AN USE MT 45 50 97 372 TRUE READY SHT 4 TACH ee III 5 TACH AN SS aig toes 85 24v 45v T STEPPER 1502 MOTOR 52 RSO 2 2T TSTI KS 254 24 1 a TES TS l 2 2N2222A l Di at T L AN OUT VP Sun 20058 STEP MOTOR DRIVER ULN 20658 Stabs jaa as ee lees KS TRACK 40 SHT 1 INDEX SECTOR s 34 L INDEX SECTOR DI AE IND IND
40. Va R19 Juig 28 IO uA 1 urce 8 2 Maso uee gus ue MEE 25 CO uel aod 13 74 5082 027 R24 2 T4 45V n 44 R325 R38 kas 637 6 REFERENCE DESIGNATIONS m 2K 0 LAST USED NOT USED 254 POR 24VR SHT 2 2 4 TP G5 G6 G15 GIG GI7 MN A 6 124 000 lt 25227 2 PS MUST CONFORM TO ENGINEERING SPEC ES 300000 2 221 EKSENE EEEE 27850 Low R OZE secans lease fon Tee teal ke AL ODD PINS gt CHASSIS GND s pup emu 07 4 THR 4S 3 a a OUTSIOE PART 512 12 79 TREATMENT ___ A p sc 025224 1 987 8 7 6 5 4 3 2 1 D FIGURE 6 1 SCHEMATIC DIAGRAM PCB 25227 SHEET 1 OF 4 6 3 6 4 blank 8 7 6 5 4 3 2 1 SHT 3 CLAMP SPIN sSLENOID DRIVER RaT 45v a LocK 919 8 502 623 Mos CRY FIY 23 2 1 gt 019
41. a and Side Select input lines When the Write Enable line is false high all write electronics are disabled When a write protected diskette is installed in a drive the write electronics are disabled irre spective of the state of the Write Enable or Side Select lines SIDE SELECT TM100 2 The Side Select interface line defines which side of a two sided diskette is used for data transfer A false high level on this line selects the read write head on side zero the lower head of the drive A true low level on this line selects the read write head on side one the upper head of the drive OUTPUT CONTROL LINES INDEX SECTOR The index sector signal is a composite of the index pulse and sector signals An index pulse is provided once every revolu tion 200 milliseconds nominal to indicate the beginning of a track to the controller The lead ing edge of this signal must always be used to ensure timing accuracy The index sector line re mains in the true low state for the duration of the index pulse which is nominally four milliseconds The sector signal portion appears only when using hard sectored diskettes TRACK O When the drive is selected the Track 0 interface signal when true low indicates to the control ler that the read write head s are positioned at Track 0 This signal remains true low until the heads are moved from Track 0 3 4 WRITE PROTECT When the Write Protect line goes true lo
42. chanism resulting in accurate centering and clamping of the diskette The drive hub is held at a constant speed of 300 RPM by a servo controlled D C motor The heads remain in contact with the recording media until the front latch is opened The heads are positioned over the desired track by means of a four phase stepper motor band 1 2 assembly and its associated electronics This positioner uses a one step rotation to cause a one track linear movement Data recovery electronics include a low level read amplifier differentiator zero crossover detector and digitizing circuits No data decoding capabilities are provided The drive has the following sensors 1 A Track O switch detects when the head carriage assembly is positioned at Track 0 2 An index sensor is positioned to generate a digital signal when an index sensor hole on the diskette is detected 3 A write protect switch disables the write electronics when a write protect tab is applied to the diskette 1 5 PHYSICAL DESCRIPTION A representative drive is shown in Figure 1 1 The drive can be mounted in a vertical or horizontal plane However the logic circuit board must be on the uppermost side when the drive is mounted horizontally The spindle is belt driven by a D C motor with an integral tachometer The servo control circuit and tachometer control the speed of the spindle The read write head assembly is positioned by a split band positioner mou
43. cure 5 Ensure the drive belt is in place 6 Manually rotate the drive hub It should rotate freely 7 Ensure both circuit boards are secure 8 Ensure the connectors are firmly seated 3 3 MOUNTING THE DRIVE The drive has been designed to be mounted hori zontally or vertically When mounted horizon tally the logic circuit board side of the drive must be the top side Four 6 32 tapped mounting holes are provided on the bottom of the drive and two 6 32 tapped mounting holes on each side for attachment to user supplied mounting brackets When in stalled in either plane horizontal or vertical only two mounting screws are required to secure ly hold the drive in place Any mounting scheme in which the drive is part of the structural integrity of the enclosure is not permitted Mounting schemes should allow for adjustable brackets or incorporate resilient members to accommodate tolerances In addi tion it is recommended that mounting schemes include no more than two mounting surfaces The drive is manufactured and tested with some critical internal alignments that must maintained Hence it is important that the mounting hardware not introduce significant stress on the chassis DUST COVER The design of an enclosure should incorporate a means to prevent contamination from loose items e g dust lint and paper chad since the drive does not have a dust cover COOLING Heat dissipation from a single drive
44. e mating connector not supplied is AMP Part Number 1 480424 0 using AMP con tact Part Number 606191 1 Pin assignments are found in Table 3 2 The conductor should be 16 to 18 AWG minimum TABLE 3 2 D C POWER CONNECTOR PIN ASSIGNMENTS 12 volts D C 12 volts return 5 volts return 5 volts D m 000 Ground lug 3 16 inch Chassis ground from controller quick disconnect The chassis should be connected to earth ground to ensure proper operation The conductor should be 16 to 18 AWG minimum 3 6 DRIVE ADDRESS AND OPTION PATCHING The drive address and option patching is deter mined by the programmable shunt located at 1E on the logic circuit board The DSO through DS3 jumpers determine the drive address The MX jumper is used only in single drive systems See Figure 3 3 The program shunt is AMP Part Number 435704 7 The shunt positions can be cut using tool Part Number 435705 The shunt is installed in a DIP socket At the user s option it can be removed and replaced by a DIP switch DSO THROUGH DS3 JUMPERS When daisy chaining two or more drives to a controller the Drive Select DS jumpers patch the drive select control signal to enable the logic of the proper drive Normally all the shunt jumpers would be cut except for the DS jumper j 100 MILLISECONDS MINIMUM DRIVE SELECT 2222 MM 250
45. e to the read write head s Figure 3 5 contains an illustration of the physical configuration of the diskette The 5 125 inch diskette is oxide coated flexible mylar It is enclosed in a 5 1 4 inch square protective jacket Read write head access is made through an aperture in the jacket In addi tion openings for the drive hub and diskette index hole are provided Figure 3 6 provides some helpful hints on the care and handling of the drive and diskettes In addition to ensure trouble free operation and to enhance the service life of the diskette the following handling procedures should be observed 1 Return the diskette to the protective jacket when not in use 2 Avoid exposing the diskette to any magnetizing force in excess of 50 oersted PROGRAMMABLE SHUNT SOCKET 1E W5000W4 TERMINATOR SOCKET 2F LOGIC CIRCUIT BOARD HS NOT USED 8 a NOT USED PROGRAMMABLE SHUNT SOCKET 1E FIGURE 3 3 LOGIC BOARD WITH PROGRAMMABLE SHUNTS AND OPTION PATCHING LOCATIONS 3 8 NOTE The 50 oersted level magnetizing force is reached at a distance of approximately three inches from a typical source e g motors gen erators or transformers 133 4 5 25 INCH SEALED PROTECTIVE JACKET LINER l 3 56 MM 3 avoid warping do not store the diskette in direct sunlight 4 Do not use a lead pencil or a ballpoint pen to write on the label Use a f
46. electronics Figure 3 4 illustrates the diskette used with the drive This recording media is a flexible diskette enclosed in a protective jacket The protected diskette free to rotate within the jacket is continuously cleaned by its soft fabric lining during normal operation LOADING THE DISKETTE The drive is loaded by inserting the diskette head aperture forward into the front slot of the drive Access to the diskette loading slot is obtained by opening the front latch The diskette should be carefully inserted until it is solidly against the back stop 3 9 CAUTION Damage to the center of the diskette may result if the door is closed when the diskette is not properly inserted This prevents reliable recovery of the recorded data WRITE PROTECT TAB The drive is equipped with a write protect switch assembly This switch operates in conjunction with a diskette that has a slot cut in the protective jacket Figure 3 5 contains the location of the slot When the slot is covered with an optically opaque self adhesive tab the diskette is write protected The tab must be removed to write on the diskette Figure 3 5 contains information on how to install a tab to cover the slot DISKETTE HANDLING AND STORAGE It is important the diskette be handled and stored correctly so the integrity of the recorded data is maintained A damaged or contaminated diskette can impair or prevent recovery of data and can result in damag
47. elt tipped pen and mark lightly on the label 0 14 INCH 133 4 5 25 INCH 133 4 MM psu I pd COATED MYLAR DISK 6 30 0 25 4 0 25 0 01 INCH 0 25 MM 0 01 INCH m SPINDLE ACCESS HOLE HEAD APERTURE FIGURE 3 4 RECORDING MEDIA 3 10 WRITE PROTECT TAB 2 WRITE PROTECT TAB L FOLD OVER BACK OF DISKETTE 3 56 MM B 14 INCH 6 30 MM 25 INCH NN 5 MM 3 808 en INDEX ACCESS HOLE FIGURE 3 5 WRITE PROTECT TAB 3 11 A DO NOT WRITE ON THE DO NOT TOUCH PRECI JACKET WITH PEN OR SION SURFACE WITH PENCIL USE A FELT YOUR FINGERS TIPPED PEN TO AVOID DAMAGE TO RETURN THE DISKETTE THE DISKETTE AND TO TO ITS JACKET WHEN YOUR DRIVE INSERT NOT IN USE DISKETTE CAREFULLY UNTIL THE BACKSTOP IS ENCOUNTERED KEEP THE DISKETTE DISKETTES SHOULD HANDLE WITH CARE AWAY FROM MAG BE STORED AT BENDING AND FOLD NETIC FIELDS 10 C to 52 C ING MAY DAMAGE 50 F to 125 F DISKETTE FIGURE 3 6 DISKETTE HANDLING AND STORAGE 3 12 8 7 6 4 3 2 1 VAN 025220 a vm tot 27 LW SPECIFIED 6 R22 Bun TO 15 2 4 l ALL CAPACITORS ARE iN MICROFARADS SHIELD 2 ics 290 26 a 50V 80 20 i 2 S ARE 414 D PANO ED EE V V 022 e 3 a pis p e HMS 595 RIW 4 CRI
48. ignment track taking care not to restore it back to Track 00 Rotate the Track 98 adjustment screw clockwise very slowly until the signal at IC4B Pin 9 is at least 2 5 volts at Track Z1 and less than 0 8 volt at Track 02 Retighten the retaining screw Repeat Steps 2 6 1 5 through 2 6 1 14 to ensure that the correct setting has been attained 2 14 5 m 3 INTRODUCTION This section contains information on how to unpack check out install and operate the TM100 1 and TM100 2 drives 3 1 UNPACKING THE DRIVE The drives are packaged in protective containers to minimize the possibility of damage during shipment The following list is the recommended procedure for unpacking the drive 1 Place the container on a flat work surface 2 Remove the upper half of the container 3 Remove the drive from the lower half of the container 4 Check the contents of the container against the packing slip 5 Investigate the contents of the container for possible damage 6 Notify the carrier immediately if any damage is found 3 2 PREINSTALLATION CHECKOUT Before applying power to the drive the following inspection should be conducted 1 Check to ensure the front latch opens and closes 2 When the latch is moved to an open posi tion the head arm raises 3 1 3 Remove the cardboard shipping insert and retain for future shipment 4 Ensure the front panel is se
49. n 250 milliseconds When the signal line logic level goes false high the drive decelerates to a stop This signal is not gated with Drive Select The motor activates momentarily when the front latch is closed This motor start function remains active for approximately five seconds unless Motor On is in the true low condition DIRECTION SELECT AND STEP LINES TWO LINES When the drive is selected a true low pulse on the Step line with a time duration greater than 200 nanoseconds initiates the access motion The direction of motion is determined by the logic state of the Direction Select line when a step pulse is issued The motion is toward the center of the disk if the Direction Select line is in the true low state The direction of motion is away from the center of the disk if the Direction Select line is in the false high state To ensure proper positioning the Direction Select line should be stable at least 100 nanosec onds prior to issuing a corresponding step pulse and remain true low 100 nanoseconds after it The access motion is initiated on the trailing edge of the step pulse The time period between consecutive trailing edges of step pulses should be not less than five milliseconds 3 3 The drive electronics ignore step pulses when one of three conditions exists 1 The write enable is true low 2 The direction select is false high and the head is positioned at Track 0 3 Thedrive i
50. nted to a stepper motor The read write head 5 is a glass bonded ferrite ceramic structure with a life expectancy of 20 000 operating hours The electronic components of the drive are mounted on two printed circuit boards The logic circuit board is mounted above the chassis The spindle motor control circuit board is mounted at the rear of the chassis Power and interface signals are routed through connectors plugged directly into the logic circuit board RESISTOR ARRAY READ WRITE HEAD ASSEMBLY D C DRIVE MOTOR INDEX SENSOR LOGIC CIRCUIT BOARD 252 5 AVYON WA 53 GH e AND A ND 5 YN A AT a N FRONT LATCH FRONT PANEL SPINDLE ASSEMBLY CONE ASSEMBLY FIGURE 1 1 DISK DRIVE DRIVE HUB ACTIVITY INDICATOR SECTION 2 DUCT SPECIFICATIONS PRO INTRODUCTION This section contains the mechanical electrical reliability and environmental specifications for the TM100 1 and TM100 2 drives 2 1 MECHANICAL SPECIFICATIONS The physical dimensions of the drive are located in Figure 2 1 2 2 ELECTRICAL AND OPERATIONAL SPECIFICATIONS The electrical and operational specifications are located in Table 2 1 2 3 RELIABILITY SPECIFICATIONS The reliability specifications are located in Table 2 2 2 4 ENVIRONMENTAL SPECIFICATIONS The environmental specifications are located in Table 2 3 179059 001 REV A DI CORPORATION CHATSWORTH CALIFORNIA 91311
51. pact data storage devices that use an ANSI compatible industry standard 5 1 4 inch diskette Model Number TM100 1 and TM100 2 drives each have forty eight 48 tracks per inch The TM100 1 is a single sided recording device The TM100 2 is a double sided recording device Both drives are capable of reading and writing in single density format on a diskette using a proprietary read write head patented by Tandon The drives have a double density capa bility when Modified Frequency Modulation MFM or other appropriate recording technique is used Encoding and decoding of the data is done by the user s controller 1 1 SCOPE OF THE DOCUMENT This document contains the major features physical and functional specifications mounting and power requirements the interface and typi cal timing characteristics of the TM100 1 and TM100 2 drives 1 2 PURPOSE OF THE DRIVE The TM100 1 and TM100 2 drives are rotating disk memories designed for random access data 1 1 entry storage and retrieval applications Typical applications include intelligent terminal controllers microcomputers word processing systems data communication systems error logging program loading point of sale terminals 1 3 MAJOR FEATURES WRITE PROTECT When a write protected diskette is inserted into the drive the write electronics are disabled DAISY CHAIN CAPABILITY The drive provides the address selection and gating functions necessary
52. procedure Project 1A TABLE 2 2 RELIABILITY SPECIFICATIONS Error Rates maximum exclusive of external sources e g electronics defective and contaminated diskettes Soft Errors Recoverable One in 10 bits Hard Errors Nonrecoverable One in 10 bits Seek Errors One in 10 seeks Mean Time Between Failures 8 000 hours 25 percent duty cycle Mean Time To Repair 30 minutes 179059 001 CBE B CORPORATION CHATSWORTH CALIFORNIA 91311 REV A 2 4 TABLE 2 3 ENVIRONMENTAL SPECIFICATIONS Temperature Operating media dependent 10 C to 46 50 F to 115 Nonoperating 40 C to 71 C 40 F to 160 Relative Humidity Operating noncondensing media dependent 20 to 80 percent Nonoperating noncondensing 5 to 95 percent Altitude Operating or nonoperating 152 4 meters 500 feet below sea level to 15 240 meters 50 000 feet above sea level CORPORATION CHATSWORTH CALIFORNIA 91311 REV A 2 5 96 100 TPI 2 6 TRACK 00 SENSOR CHECK AND ADJUSTMENT The Track 00 sensor provides a signal that identifies Track 00 to the logic electronics The logic electronics disable the step out function when Track 00 is reached addition a Track 00 signal is sent to the controller on Pin 26 of the interface 2 6 1 Track 00 Sensor Check 2 6 1 1 Set up dual channel wideband oscilloscope as follows Channel A Test Point 1 Channel Test Point 2 Ground Test Point 19 Read Differentiall
53. s not selected COMPOSITE WRITE DATA When the drive is selected this interface line provides the bit serial composite write data pulses that control the switching of the write current in the selected head The write elec tronics must be conditioned for writing by the Write Enable line For each high to low transition on the Composite Write Data line a flux change is produced at the write head gap This causes a flux change to be recorded on the media When a single density FM type encoding tech nique is used in which data and clock form the combined Write Data signal it is recommended that the repetition of the high to low transi tions while writing all zeros be equal to one half the maximum data rate 125 kilohertz 0 1 percent and the repetition of the high to low transitions when writing all ones be equal to the maximum data rate 250 kilohertz 0 1 percent Host controllers may implement write precom pensation circuits that recognize worst case pat terns and adjust the write data waveform Although a value cannot be specified for write precompensation Tandon suggests a value of 250 nanoseconds for systems using MFM double density recording format WRITE ENABLE When this signal is true low the write electronics are prepared for writing data and the read electronics are disabled This signal turns on write current in the selected read write head Data is written under the control of the Composite Write Dat
54. t switch is disabled with W5 installed Standard Write Protect Control is enabled with W4 installed 4 5 WRITE PROTECT CONTROL X Write Protect Control responds to a write protected diskette gt x Write Protect Control is inhibited ACTIVITY L E D CONTROL W6 W7 W9 The Activity L E D may be illuminated by an optional input line J1 4 N In Use Normally the Activity L E D is controlled with Drive Select W6 installed 6 7 9 ACTIVITY L E D CONTROL X Activity L E D is controlled with Drive Select Activity L E D is controlled with N In Use J1 4 DRIVE SELECT 3 ENABLE W8 Removal of this jumper allows interface J1 6 to be used as an alternate input output line W8 is normally installed 8 DRIVE SELECT 3 ENABLE Allows drive to be selected via J1 6 Disables Drive Select 3 line DOOR LOCK SOLENOID W10 This jumper is used in conjunction with an optional door lock solenoid The W10 jumper is normally not installed W10 DOOR LOCK SOLENOID X Enables door lock solenoid via J1 2 Disables door lock circuits 3 7 DISKETTES The 100 1 and 100 2 drives use an ANSI compatible 5 1 4 inch diskette Diskettes are available with a single index hole or with multiple index and sector holes Diskettes with a single hole are used when soft sector format is required Multiple hole diskettes provide sector information through the use of an index sensor and
55. w the diskette is write protected and the write electronics are disabled It is recommended the controller not issue a Write command when the Write Protect signal is true low When the Write Protect line is false high the write electronics can be enabled COMPOSITE READ DATA This interface line transmits the readback data to the controller when the drive is selected It provides a pulse for each flux transition de tected from the diskette The Composite Read Data output line goes true low for a duration of 1 0 25 microseconds for each flux change detected from the diskette The leading edge of the Composite Read Data output pulse represents the true position of the flux transitions on the diskette s surface TYPICAL INTERFACE CHARACTERISTICS Lines between the controller and the drive have the following characteristics True 0 4volt maximum at 1 48 milliamperes maximum V False 2 4 volts minimum open collector at I 250 microamperes maximum Figure 3 1 contains the characteristics of the electrical interface Figure 3 2 contains the con trol and data timing requirements 7438 EQUIVALENT 5 VOLTS 150 OHMS 74LS04 EQUIVALENT gt TRUE TRANSMISSION LINE 10 FEET RECEIVER FIGURE 3 1 ELECTRICAL INTERFACE CHARACTERISTICS 3 5 D C POWER D C power is supplied to the drive via a four pin AMP connector J2 mounted on the circuit board Th
56. y A plus B B inverted Time Base 20 milliseconds per division External Trigger Test Point 7 positive edge Vertical Display 0 1 volt per division 2 6 1 2 Apply power to the drive 2 6 1 3 Insert Cats Eye alignment diskette into the drive 2 6 1 4 Close the front door 2 6 1 5 Step the carriage to the ratai alignment track 2 6 1 6 Confirm the position the Cats Eye pattern 2 6 1 7 Set up the oscilloscope to monitor the TTL signal at IC4B Pin 9 or at Pll Pin 2 2 6 1 8 Step the carriage back to Track 01 2 6 1 9 Ensure that the signal at Track 01 is at least 2 5 volts 2 6 1 19 Step the carriage out to the radial alignment track 2 6 1 11 Step the carriage back to Track 92 2 6 1 12 Verify that the logic level at IC4B Pin 9 is less than 0 8 volt 2 6 1 13 If all of the above checks are satisfactory no adjustment is required 2 6 1 14 If one of the above checks is unsatisfactory perform the Track 00 adjustment procedure 2 13 2 6 2 2 6 2 1 2 6 2 2 2 6 2 3 2 6 2 4 2 6 2 5 2 6 2 6 2 6 2 7 96 100 TPI Track 00 Sensor Adjustment Procedure Loosen the retaining screw the base of the Track 00 bracket Retighten the retaining screw slightly to provide some friction on the bracket Rotate the Track 00 adjustment screw located at the rear of the chassis counterclockwise as far as it will go without forcing it Step the carriage back to Track l from the radial al
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