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Fujitsu M2361A, Руководство инженера по обслуживанию клиентов

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Содержание M2361A

Страница 1: ... Mini Disk Drive Customer Engineering Manual 02A ...

Страница 2: ... San JoN California 95134 2017 U S A TEL 408 94 8m FAX 408 945 1318 TLX 230 176207 TWX 91 338 2193 FWITSU EUROPE LIMITED 54 Jermyn Street London SW1 Y 6NO ENGLAND TEL 01 493 1138 FAX 1 629 9826 TLX 263871 FT ERP G The contents c4 this rMnU8I is subied to change without prior notice c Copyright 1884 by Fujitsu UmiIed PrinIed in U S A FWITSU ELECTRONIK GmbH Sonnen StreBe 29 D 8OOO Munchen 2 F R GERM...

Страница 3: ... Page 1 13 1 14 Page 1 13 13A Page 1 14 Page 1 15 1 16 Page 1 15 1 16 Page 2 3 2 4 Page 2 3 2 4 Page 2 15 2 16 Page 2 15 2 16 Page 4 1 7 to 4 20 Page 4 17 to 4 20 Page 4 43 4 44 Page 4 43 4 44 Page 4 87 Page 4 87 4 88 Page 4 89 to 4 104 Page 5 1 to 5 23 CHAPTER 5 Page 6 3 to 6 f Page 6 3 to 6 f Pdge 6 11 6 12 Page 6 11 6 12 Page 6 21 Page 6 2116 22 Page 6 23 to 6 36 Page 7 3 to 7 8 Page 7 3 to 7 8...

Страница 4: ... 10 01 1 10 02 4 3 01 4 54 01A 5 1 02 7 11 01 1 11 01 4 4 01 4 55 alA 5 2 02 Blank 1 12 01 4 5 01 4 56 alA 5 3 02 8 1 01A 1 13 01 4 6 01 4 57 01A 6 1 01 8 2 01A 1 13A 02 Blank 1 14 alA 4 7 01 4 8 01A 4 9 01 4 58 I 01A 4 59 01A 4 60 I alA 6 2 01 6 3 02 6 4 02 8 3 01A Blank 8 5 01A 1 15 02 4 10 alA 4 61 alA 6 5 01 8 6 01A 1 16 02 4 11 01A 4 62 01A 6 6 02 8 7 01A 2 1 01 4 12 01 4 63 01A 6 7 01 8 8 01...

Страница 5: ...A 8 90 01A 8 40 alA 8 91 01A 8 41 01A 8 92 01A 8 42 alA 8 93 alA 8 43 01A 8 94 01A 8 44 01A 8 95 alA 8 45 01A 8 96 01A 8 46 01A 8 97 OlA 8 47 01A 8 98 01A 8 48 01A 8 99 01A 8 49 01A 8 100 01A 8 SO 01A Cover 8 51 OlA 8 52 OlA 8 53 OlA 8 54 OlA 8 55 OlA 8 56 OlA 8 57 OlA 8 58 01A 8 59 01A 8 60 01A 8 61 OlA 8 62 01A 8 63 OlA 8 64 OlA 8 65 01A 8 66 OlA 8 67 01A 8 68 01A 8 69 OlA 8 70 01A 8 71 01A 8 72...

Страница 6: ...Cables 2 7 2 2 7 3 2 7 4 CHAPTER 3 Power cable connection Interface cabling System grounding OPERATION AND CHECKOUT 3 1 General Description 3 2 DC Power Supply Unit 3 2 1 3 2 2 3 2 3 3 2 4 3 2 5 Introduction Control panel Input conditions Output conditions Alarm detections 3 3 Operator Panel 3 4 Display Panel 3 4 1 REMOTE LOCAL switch 3 4 2 3 4 3 3 4 4 3 4 5 3 4 6 3 4 7 3 4 8 ENABLE DISABLE At B s...

Страница 7: ... 6 3 4 6 4 CHAPTER 5 Introduction Logic circuit Servo circuit Read Write function TROUBLESHOOTING GUIDE 5 1 5 2 5 3 5 4 Introduction Error State Troubleshooting Troubleshooting Symho1 Flow Chart CHAPTER 6 MAINTENANCE 6 1 Int roduct ion 6 2 General Precautions 6 2 1 6 2 2 6 2 3 Power on off Replacement Others 6 3 6 4 6 5 Spare Parts List Maintenance Tools and Equipments Preventive Maintenance 6 6 S...

Страница 8: ...eplacement Back panel replacement Line terminator replacement check and adjustment Guide to PCBs and logic diagrams Adjustment Adjustment Adjustment of servo circuit of Read Write circuit of VFO circuit ILLUSTRATED PARTS CATALOG Explanation 7 1 7 1 1 7 1 2 Illustrations Parts list CHAPTER 8 SCHEMATICS B03P 482S 0002A 02 6 15 6 17 6 17 6 18 6 19 6 20 6 20 6 22 6 22 6 25 6 32 6 35 7 1 7 1 7 1 7 1 8 ...

Страница 9: ...er cable C i E Exterior view and construction of carton Installation in the 19 inch rack Rack mount installation Cooling system Thermal check point Example of additional cooling fan Mounting the dual channel option Rack mount installation Back panel PCB Power cab Ie B Power Cable C V E Power cable connector Radial cable configuration Daisy chain cable configuration Cable mounting Rear view Connect...

Страница 10: ...driver receiver A cable B cable Mapping Generation of write read clock Unit Select timing Seek timing Zero Track Seek timing Read after Write and Write after Read timing Addressing for movable head Head address change at last gap Offset timing Fault Clear timing AM Write AM Detection RTZ timing Open Cable Detect timing Tag 4 5 timing Power sequence Pick Hold timing Index and Sector timing Write Cl...

Страница 11: ...AGe squelch function AM enable on read signal Read operation block diagram VFO block diagram VFO timing chart Data window timing chart 2 7 decoder block diagram Not Ready flow chart Fault flow chart Seek error flow chart Read error flow chart AM missing flow chart Extension of the drive Top cover removal Rear cover removal DE replacement Rear view of DC power supply unit Fan replacement Operator p...

Страница 12: ...on PCB 550204 6 ow 33 Figure 6 7 18 The connector to adjust the write current 6 33 Figure 6 7 19 Balance of read signal 6 34 Figure 6 7 20 VCO free running frequency adjustment 6 35 Figure 6 7 21 Reference pulse width adjustment 6 35 Figure 6 7 22 Phase adjustment 6 36 B03P 4825 0002A 02 xi ...

Страница 13: ...d connectors Output conditions Indications of alarms Status and state Unit status indicators Dual port status Setting of sector count Interface modification Specifications Track efficiency Tag Bus Status Contents of DE Sequence Latches Access s tates Access mode latches Write Read check conditions Seek error fault conditions Translation between NRZ and 2 7 codes Write compensation truth table Erro...

Страница 14: ...bility while offering a faster access time The media is non removable This drive is appropriate for large capacity high speed data storage in an online and or batch system Higher cost performance and improved reliability can be achieved in computer systems that utilize M2361A disk drives The drive is designed to meet the following standards 1 UL478 Electronic Data Processing Unit and Systems 2 CSA...

Страница 15: ... be re oved for replacement in the field by CE The display panel appears when the sub panel is opened This panel allows Drive address settina Drive status display Drive sector count setting As a result except for parts replacement the drive need not be pulled out from the 19 rack 5 Maintenance free The M2361A disk drive requires substantially reduced maintenance because of the completely sealed DE...

Страница 16: ...ard SMD interface to agree with higher track capacity and higher maintainability The following are the major modified items 1 Data transfer rate 2 Track capacity 3 Timing of Read Write operation 4 Addition of Tag 4 and Tag 5 1 2 Specifications 1 2 1 Physical specifications Table 1 2 1 Physical specifications Item Conditions Specifications Dimension Height 10 4 264 mm Width 19 483 mm Depth 28 710 m...

Страница 17: ...4 M4 Metric System 1 4 Front Panel Color Light Beige Weight 1431bs 6S kg 10 4 Inch Figure 1 2 1 Physical specifications B03P 4825 0002A OIA ...

Страница 18: ... 400 C 600 C 5 C 600 C 5 C 600 C within the range of 31 F Max change Max change Max change 17 C in all its life 36of hour 18 F hour 18 F hour for example 20oC hour looC hour 10oC hour 64 F 95 F 18 C 35 C Humidity 5 95 RH 20 80 RH Non condensing Max change 10 hour Non condensing Vibration 3G when locked for shipment 0 2G 5 50 Hz IG 50 500 Hz Shock 5G Max 30 ms 3G Max 10 ms 2G Max 10 ms Altitude 40 ...

Страница 19: ... 700 1 600 200 50 60 4 3 3 8 3 1 3 0 0 62 0 60 480 470 1 900 1 800 220 4 1 3 6 2 9 2 8 0 64 0 62 500 480 2 000 1 900 240 4 0 3 5 2 6 2 5 0 62 0 60 480 470 1 900 1 800 Worst case transient with a maximum of 40 amps for less than 1 2 cycle of input AC power Refer to Figure 1 2 2 40 6 3 4 6 Worst case transient L 8 3 ms max 60 Hz r 10 0 ms max SO Hz I 40 Seconds approx Figure 1 2 2 AC start run curre...

Страница 20: ...ration of Disks and Heads 3 17 16 1 1 2 1 1 193a18 Rotational Speed RPM l 600 2 Latency ms 8 ll Diameter Inch 10 5 Disk Number 6 Drive 20 1 Servo Heads Surface 2 Cylinders 842 Data Transfer Rate t m sec 2 458 Positioning Ttme Maximum l5 Average 18 ms Minimum 5 5 Track Density TPI 880 Bit Density BPI 18 610 on interface NRZ Dat Coding on disk surface ILL Code B03P 482S 0002A Ol 1 7 ...

Страница 21: ...a Time Time oL _ 1 _ J _ L J _ _ L _ L _ _ J _ __L L ___ Difference 100 200 300 400 500 600 700 800 841 900 Figure 1 2 3 Positioning time vs difference RPM Ready 4 000 V 3 600 RPM 2 3 000 2 000 1 000 0 Second 10 20 30 40 SO 60 70 80 90 I I Start Stop Figure 1 2 4 Spindle start stop time B03P 4825 0002A 01 ...

Страница 22: ...s and shall include field performance data from all field sites For the purpose of this specification equipment failures are defined as those failures necessitating repair or replacement on an unscheduled basis 2 Mean time to repair HTTR The mean time to repair shall not exceed 0 5 hour It is defined as the time for an adequately trained and competent service technician to diagnose and correct a m...

Страница 23: ...ate An unrecoverable read error is one which cannot be read correctly within five retries and should not exceed ten per 10 14 bits Retry routine after 4 times of re reading with and without offset RTZ must be performed 2 Positioning error rate The positioning error which can be corrected within one retry should not exceed one per 107 seeks 3 Quality standards of media at shipment Summary The numbe...

Страница 24: ...shown in Figure 1 3 1 and 1 3 2 respectively Connection between units in the drive is also shown in Figure 1 3 3 Display panel Card cage Line blower Interface PCB Basic Interface PCB Dual DC power Disk enclosure DE Front panel Operator panel Fan sensor Figure 1 3 1 Mechanical configuration B03P 4825 0002A Ol 1 11 ...

Страница 25: ...cuit Seek control Servo circuit r r I j j Read write PLO control Index sector 1 1 detect f VFO Start up control Fault detect r r I LED switch W DC power 1l DC power supply unit Power Amp r I R W Pre Amp I T j t Rotary Actuator t 4T ___ 4 I I Motor I Servo Pre Amp _____________ J Figure 1 3 2 Functional block diagram B03P 4825 0002A 01 ...

Страница 26: ...r Supply BI4L S IOS 182A 8178 0250 OOIOA U Back anel 803B 482S EOIOAI U Operator anel N860 3346 TOOI Display Panel 817B 270 010A U PCI Location Dummy Lope 532729U RfW VFO H0204U SerYo 550205U a Z zt_ SerYO 168 5502 00501 U RfW VFO CI6B S502 G040I U Lolic CI68 H27 2 10 U DE B030 4825 TOOI A i it 1 tl e t I Line 810wer C90L J37 qOO Fan Sensor C90L 13S0 1 Figure 1 3 3 Connection diagram ...

Страница 27: ...I CNPOU K NJ06 NPO Lll l1 C NP23ICNJ 231 I VC M AUTO LOCK POWER AMP 8178 0250 0010A U 12 I READ SWITCH Z 13 u C NJ21 C NP21 A BACK PANEL 8038 4825 EO10A U LOGIC R W VFO SERVO Item Part Numbe 0 c lT 60 120 T402A L u 2 8660 620 T381 A etc lOORO 3 8660 1 954 T904A 4 8660 19S4 T903A 5 8660 610 B14A or r 6 8660 0620 T416A 7 8660 0620 T41SA N N 0 0 0 0 0 8 8660 19So T6S8A L u III III I A 1 T 9l B660 012...

Страница 28: ...0 V 6 Power Cable D B660 1055 T034A L 3 5 m 7 Power Cable E B660 1055 T035A L 4 5 m 8 Line Terminator B03L 4790 0003A Note that two line terminators are required in dual port system 9 Interface Circuit B17B 0240 0010A Permits two controllers to access the same Dual Part U drive 10 Slide Guide B03B 4825 D020A 11 Hour Meter B61L 0140 0011A 10 000 hours 10000 12 13 Check with your local sales office ...

Страница 29: ......

Страница 30: ...704P060 AU M FCN 707B060 AU B 100 FT Max 3M 3M 3372 1003LCSB 3334 6500 and 3448 3060 B Cable Zo 100 Ion FUJITSU FUJITSU 26 Pin 28 A 7 Strands FUJITSU FCN 705P026 AU M FCN 707B026 AU B 50 FT Max 3M 3M 3429 1003LCSB 3399 6500 and 3448 3026 Power See Figure 1 3 5 Cable B Power Cable See Figure 1 3 6 3 F7 ACTRAT 24 WHITE 2 x AWG 16 GREEN AWG 20 BLACK L J 00 FT Max INCH Figure 1 3 S Power cable B B03P ...

Страница 31: ...1 16 WHITE GREEN YELLOW BLACK 3 F7 ACTRAT 24 3 AWG 18 L t 3 5 FT Max Figure 1 3 6 Power cable C E B03P 482S 0002A 02 INCH ...

Страница 32: ...t should be allowed to remain in packaged form for more than 3 hours to avoid condensation when unpacking 2 3 Unpacking The M2361A is shipped in a carton surrounded by shock absorber as shown in Figure 2 3 1 Note the shipping carton is intended to be reuseable 1 Store and open the carton on a flat surface ensure that the top of the box indicated by This Side Up signs is oriented correctly Note Don...

Страница 33: ...N N to o eN 0 I A OJ rv l I o o o rv l Under Pad Outer Car n Pull out sling Ion JUJnt Carton Press and pull out to _ __ u _ Figure 2 3 1 Exterior view and construction of carton ...

Страница 34: ...mly fixed there should be no loose screw etc 3 The attachments and options should be as ordered 2 5 Installation This unit can be slide mounted in a standard 19 inch rack or built into a system cabinet The 19 inch rack must meet with following specification E I A RS 310 C Standard Inch Service Clearance Figure 2 5 1 Installation in the 19 inch rack B03P 4825 0002A Ol 2 3 ...

Страница 35: ...oth the slide guides installed and extended lift the drive with slide rails already attached onto the extended guides Be sure the rails are correctly seated and latched in the guides 2 4 Note The drive weighs approximately 143 lbs 65 kg and requires at least two people to install Left Slide Guide Rack Mount Striker 4 Slide lock Press to Release Slide rail Figure 2 5 2 Rack mount installation B03P ...

Страница 36: ...gh the air vents on the front cover passes through the air fil ter and the line blower and is blown uniformly over the entire DE card cage power amplifier and interface PCBs The air which passes through the card cage cools the DC power supply and the air which passes over the DE cools interface PCBs and is discharged DE Front Cover Air Filter Line Blower To Cover I I I I Back Panel PCB Figure 2 5 ...

Страница 37: ...ndition Maximum surface Condition Temperature Tc At random seeking 55 C Even on max environmental temperature 40 C If the temperature is not kept under this condition the drive cannot work and will be damaged Thermal Check Point CQ 12 12V VO Ll DJ LT ADJ 4V J 24V IOO t20V r I PI T 1 I SI II r 200 240V MAIN LINE SWITCH 15A ACI PUT Rear View of the DC Power Supply Figure 2 5 4 Thermal check point 2 ...

Страница 38: ...dition when the drive is installed in a rack the additional fan must be mounted in the back of the rack Check the air flow of the whole cooling system of the rack by measuring the temperature of the thermal check point Rack Fan dJ 1 1 1 1 oJ Figure 2 5 5 Example of additional cooling fan B03P 4825 0002A Ol 2 7 ...

Страница 39: ...he 2 screws A 4 Connect the interface cables Refer to Section 2 7 3 5 If necessary mount the line terminator Refer to Section 2 6 4 Screw A 2 GND Cable Interface PCB fiXture GND Terminal Channel B Interface PCB BASIC Screw B 2 Channel A Interface PCB Dual port line Terminator PCBs Interface Card Cage Connectors for Interface A cable IN Connectors for Interface A cable OUn 26 26 Connectors for Inte...

Страница 40: ... Tighten the bracket mounting nuts after adjusting bracket location to fit it to the depth of the mounting pitch 3 If necessary release the slide rail from the slide guide by pressing the slide lock 4 Attach the right and left slide rails to the drive unit using the 4 screws A 5 Lift the drive unit and insert its slide rails into the guide rails mounted in the 19 inch rack Be sure the rails are co...

Страница 41: ...inator mounting CD Install the line terminator PCB in the out connector for A cable of the interface PCB See Figure 2 6 1 CD Connect the GND cable of the line terminator PCB to the GND terminal on the interface PCB using the screw B 2 7 Cabling 2 7 1 Cables All cables are connected in the rear of the drive unit 1 Cable list Cables consist of a Interface cables r A cable rfor Data Transfer LB cable...

Страница 42: ...5 T035A L 4 5m Check wi th your local sales office for lengths available 2 Specifications of Cables and Connectors Table 2 7 2 Cables and connectors Cable Connector Supplier Specification Supplier Drive Side Cable Side A Cable Zo 100 100 FUJITSU FUJITSU 60 Pin 28 AWG FUJITSU FCN 704P060 AU M FCN 707J060 AU B 7 Strands 100 FT Max 3M 3M 3334 6500 and 3372 1003LCSB 3448 3060 B Cable Zo 100 lon FUJITS...

Страница 43: ...REEN BLACK NEMA 5 15P 2 x AWG 16 AWG 20 B _______ L l O OO F T fa x ____________ INCH Figure 2 7 1 Power cable B 3 F7 ACTRAT 24 3 x AWG 18 WHITE GREEN YELLOW BLACK L 14 7 FT Max INCH Figure 2 7 2 Power Cable C E B03P 482S 0002A 01 ...

Страница 44: ... B 5 If the AC input voltage is changed set the connector CN69 on power supply to the proper input voltage See Figure 2 7 3 o o o o o o o o o o Figure 2 7 3 Power cable connector 2 7 3 Interface cabling 1 A and B cables Data transfer interface cables a Connection Screw C Screw B Cable Clamp Screw A Power Cable One of the following interface cable configurations must be chosen depending on the feat...

Страница 45: ...ed in each drive in a radial cable configuration System Ground A B Drive 0 A B Figure 2 7 4 Radial cable configuration Controller 1 B Drive 1 B Controller 2 B Dual Channel Note that a Line Terminator LT is required in the last drive in a daisy chain cable configuration Figure 2 7 5 Daisy chain cable configuration 2 14 B03P 4825 0002A 01 ...

Страница 46: ... A cable and the 2 screws B Clamp B cable using the clamp 1 for B cable and the 2 screws A Connect the GND lines of the interface cables to FG using the screws C If necessary install the line terminator PCB in the out connector for A cable of the interface PCB Connect the GND cable of the line terminator PCB to the GND terminal on the interface PCB using the screw D Interface PCB Basic Screw C GND...

Страница 47: ...uration All grounding should be done with flat braided wire preferably covered with a jacket or tubing Grounding methods very with site and system integration design and are commonly derived in a trial and error fashion However three approaches are offered in order of preference a b c 2 16 Connect SG to FGl with the shorting plate Connect a flat braid wire from SG to controller ground If daisy cha...

Страница 48: ...ended that the drive controller and CPU share a common AC branch circuit Controller Drive 0 Drive I TRM2 TRM2 FG SG FGl SG FG2 FGl SG FG2 ct r i Figure 2 7 8 SG FG1 common Controller Dr ve 0 Drive I TRM2 TRM2 FG SG FGl SG FG2 FGl SG FG2 r i i Figure 2 7 9 SG Hi Z FG2 common Controller Drive 0 Drive 1 TRM2 TRM2 FG SG FGl SG FG2 FGl SG FG2 t r i Figure 2 7 10 SG FG isolated B03P 4825 0002A 01 Drive ...

Страница 49: ......

Страница 50: ...s the entire drive When the main line switch is turned on DC power is supplied to this line blower The main line switch is automatically turned off when it detects an over current in the AC input The power supply can be set for different input voltages by changing the connection on the control panel of the unit Refer to Figure 3 2 1 3 2 2 Control panel The control panel of the DC power supply is s...

Страница 51: ...hipped this connector is set to the 100 120 V position I f used at a vol tage 200 240 CN69 must be moved to the 200 240 V connec t ion 5V I VOLT ADJ 5 2V J CN60 j 12v 12V VOLT ADJ VOLT ADJ 4V I 24V 24V OV lOO 120V INPl T VOLT AGl SElECT L 200 240V MAIN LINE SWITCH CN68 15A ACINPUT o 0 Figure 3 2 1 Control panel of DC power supply unit 3 2 B03P 4825 0002A 01A ...

Страница 52: ...on or system grounding requirements e Frame Ground SG no Sipal Ground DC Power Supply Figure 3 2 2 FGl FG2 and SG 6 Volt Adj Variable Resistors Variable resistors are provided to adjust the 5 2 4 12 and 5 Volt DC output within the tolerance specified 3 2 3 Input conditions Input conditions of the DC power supply unit are equal to the input conditions of the drive itself and are listed in table 1 2...

Страница 53: ...Current 5 With With 5 V 10 5 5 Without With 0 3 V 1 5 5 Without With 0 3 V 1 5 5 Without With 0 2 V 0 5 5 5 With With 3 V 10 5 10 Without With 4 3 V 7 2 10 Without With 3 3 V 6 2 B Main Line Switch 5V 12V 4V 5 2V 24V 24V 12V RDY JL200 ms min JL Figure 3 2 3 Output sequence B03P 482S 0002A Ol Usage PCBs Line Blower FAN Rotary Actuator Spindle Motor 2 ms min ...

Страница 54: ...n Figure 3 3 1 On On Fault Start EJJ Protect Start Power on Ready Figure 3 3 1 Operator panel 1 Start Switch If the Spindle Remote Local switch on the CE panel behind the front panel is set to Local it enables rotation of the spindle motor When the DC motor comes up to speed the heads start Initial Seek operation and stop on cylinder zero Approximately 40 seconds later the Ready LED lights The spi...

Страница 55: ...speed and no fault condition exists in the drive It goes off when the heads are seeking to the desired cylinder 5 Fault LED and Switch Indicates a Fault condition i e R W check status Depressing the indicator switch clears this condition 6 Power On LED Indicates that the DC power supply circuit breaker is ON 3 4 Display Panel Switches and indicators are provided for aiding maintenance and are show...

Страница 56: ...t S itt _ _j ___________1 Start Stop I Stop II 71 SlOP Figure 3 4 2 Spindle sequence pick hold timing 3 4 2 ENABLE DISABLE A B switch The A channel or if the dual port option is used the B channel interface signals can be enabled disabled 3 4 3 RLTM ABSL Release Timer Absolute switch This switch is functional if the dual port option is provided When the switch is in RLTM reserved status will be re...

Страница 57: ...ce Latch 1 2 Control Oteck Access Timeout DE Sequence LPl Check Latch 2 4 Pillti Head Over Shoot Check DE Sequence Check Latch 4 8 Head Short Rezero Mode Latch Hall Alarm Check 1 Write Current on Read Oteck Servo Latch Motor At Speed 2 Write Transition Linear Mode Latch Inhibit DE Check Seq Recycle LP2 Delta I 4 Control Latch Unit Ready Write lleck 8 Servo Off Track Wait Latch Access Busy 1 Wri te...

Страница 58: ...s that the spindle motor is rotating at 3 600 RPM 2 d Inhibit DE Sequence Recycle Indicates that Run State Good goes false while the DE Sequence Latch is in State 7 Stop sequence of the DE may be inhibited hereafter Switching off the drive power or pushing the Start switch to Off position clears this state e Unit Ready Indicates that the drive has reached the rated rotational speed and heads are p...

Страница 59: ...r Access Check FPT Yellow Write Protected File Protect 3 4 7 Dual port status indicators LEDs Displays channels A and B interface status available if the dual port option is provided as shown in Table 3 4 3 Table 3 4 3 Dual port status LED Signal Contents name name Channel A I Indicates that the drive is reserved by RSVA Reserved A channel SLDA Channel A Indicates that the drive is selected by Sel...

Страница 60: ...ches in binary code as shown in Figure 3 4 3 Switch Position Drive Address 1 2 3 4 0 OFF OFF OFF 1 OFF OFF ON 2 OFF ON OFF 3 Not OFF ON ON Used 4 ON OFF OFF 5 ON OFF ON 6 ON ON OFF 7 ON ON ON t l ____ r J t c ___ ______ _________ Switch Figure 3 4 3 Drive address switch B03P 482S 0002A OI 3 11 ...

Страница 61: ...nd it up to the next integer i e Bytes Sector 4 552 Set this figure minus one with jumper plugs to allow the Byte Counter to start counting from zero 4 552 1 4 551 4 096 256 128 64 4 2 1 B A Therefore set 4 and 8 of the B dip switch and 1 2 6 7 and 8 of the A dip switch on and all the rest of the switches off In this case the number of bytes in the last sector is calculated as follows 40 960 8 x 4...

Страница 62: ... ON ON ON ON OFF OFF ON OFF 20480 3 ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON ON OFF OFF 13654 13652 4 ON ON ON ON ON ON ON ON ON ON ON OFF OFF ON OFF OFF 10240 5 ON ON ON ON ON ON ON ON ON ON ON ON ON OFF OFF OFF 8192 6 OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON ON OFF OFF OFF 6827 6825 7 ON ON OFF ON ON OFF ON ON OFF ON ON OFF ON OFF OFF OFF 5852 5848 8 ON ON ON ON ON ON ON ON ON ON OFF OFF ON...

Страница 63: ...F ON ON ON OFF OFF OFF ON OFF OFF OFF OFF 2276 2268 19 ON ON OFF ON OFF ON ON OFF OFF OFF OFF ON OFF OFF OFF OFF 2156 2152 20 ON ON ON ON ON ON ON ON ON ON OFF OFF OFF OFF OFF 2048 21 OFF ON ON ON ON OFF OFF ON ON ON ON OFF OFF OFF OFF OFF 1951 1940 22 ON OFF ON OFF OFF OFF ON OFF ON ON ON OFF OFF OFF OFF OFF 1862 1858 23 OFF OFF ON OFF ON ON ON ON OFF ON ON OFF OFF OFF OFF OFF 1781 1778 24 OFF ON...

Страница 64: ...N OFF ON OFF ON ON OFF OFF OFF OFF ON OFF OFF OFF OFF OFF 1078 1074 39 OFF ON OFF ON ON OFF OFF OFF OFF OFF ON OFF OFF OFF OFF OFF 1052 1022 40 ON ON ON ON ON ON ON ON ON ON OFF OFF OFF OFF OFF OFF 1024 41 ON ON ON OFF OFF ON ON ON ON ON OFF OFF OFF OFF OFF OFF 1000 960 42 ON ON ON ON OFF OFF ON ON ON ON OFF OFF OFF OFF OFF OFF 976 944 43 OFF OFF OFF ON ON ON OFF ON ON ON OFF OFF OFF OFF OFF OFF 9...

Страница 65: ...OFF OFF OFF OFF ON ON OFF ON OFF OFF OFF OFF OFF OFF 707 661 59 OFF ON ON OFF ON ON OFF ON OFF ON OFF OFF OFF OFF OFF OFF 695 650 60 OFF ON OFF ON OFF ON OFF ON OFF ON OFF OFF OFF OFF OFF OFF 683 663 61 ON ON ON ON ON OFF OFF ON OFF ON OFF OFF OFF OFF OFF OFF 672 640 62 OFF OFF ON OFF ON OFF OFF ON OFF ON OFF OFF OFF OFF OFF OFF 661 639 r 63 OFF ON OFF ON OFF OrF OFF ON OFF ON OFF OFF OFF OFF OFF ...

Страница 66: ...8 ON OFF ON ON OFF OFF OFF OFF OFF ON OFF OFF OFF OFF OFF OFF 526 458 79 OFF ON ON OFF OFF OFF OFF OFF OFF ON OFF OFF OFF OFF OFF OFF 519 478 80 ON ON ON ON ON ON ON ON ON OFF OFF OFF OFF OFF OFF OFF 512 81 ON OFF OFF ON ON ON ON ON ON OFF OFF OFF OFF OFF OFF OFF 506 480 82 ON ON OFF OFF ON ON ON ON ON OFF OF OFF OFF OFF OFF OFF 500 460 83 ON OFF ON ON OFF ON ON ON ON OFF OFF OFF OFF OFF OFF OFF 4...

Страница 67: ...ON OFF ON ON OFF OFF OFF OFF OFF OFF OFF 418 414 99 ON OFF ON ON ON OFF OFF ON ON OFF OFF OFF OFF OFF OFF OFF 414 388 100 ON OFF OFF ON ON OFF OFF ON ON OFF OFF OFF OFF OFF OFF OFF 410 370 101 ON OFF ON OFF ON OFF OFF ON ON OFF OFF OFF OFF OFF OFF OFF 406 360 102 ON OFF OFF OFF ON OFF OFF ON ON OFF OFF OFF OFF OFF OFF OFF 402 358 103 ON OFF ON ON OFF OFF OFF ON ON OFF OFF OFF OFF OFF OFF OFF 398 3...

Страница 68: ...ON OFF ON OFF ON OFF OFF OFF OFF OFF OFF OFF 351 244 118 ON ON OFF ON ON OFF ON OFF ON OFF OFF OFF OFF OFF OFF OFF 348 244 119 OFF OFF OFF ON ON OFF ON OFF ON OFF OFF OFF OFF OFF OFF OFF 345 250 120 ON OFF ON OFF ON OFF ON OFF ON OFF OFF OFF OFF OFF OFF OFF 342 262 121 OFF ON OFF OFF ON OFF ON OFF ON OFF OFF OFF OFF OFF OFF OFF 339 280 122 ON ON ON ON OFF OFF ON OFF ON OFF OFF OFF OFF OFF OFF OFF ...

Страница 69: ...interface requirements are provided 3 20 7 6 5 4 3 2 SH09 AE7 Interface Modification B03 A B C D E F D E F G H A B 1 00000000 08 01 09 16 00000000 SH09 indicates location of short circuit on the PCB Figure 3 5 1 Interface modification B03P 4825 0002A Ol Jumper plug ...

Страница 70: ...3 04 Disable 06 05 Seek End is not issued after Operation of Offset Command is reset Seek End status 06 07 Seek End is issued after 0 Offset Command is reset Unit Ready is issued even if 10 09 0 the drive is in a fault Response of Unit condition Ready Unit Ready is not issued when 10 11 the drive is in a fault condition B03P 482s 0002A 01 3 21 ...

Страница 71: ......

Страница 72: ...of the spindle is to maintain precise and constant rotation of the assembled disks The accuracy of rotation involves concentricity precision thermal and dynamic stability all of which become more stringent as the track spacing gets tighter The dual supported spindle construction reduces this problem In this design the supporting casting is divided into two pieces in a plane parallel to the spindle...

Страница 73: ...I 00 N VI I o o o N o Ferrofluidic Seal Housing Disk Rotation Spindle Motor Spindle Assembly Cover Ferrofluidic Seal Figure 4 2 1 Cross sectional view of the DE HeaJ Arm Assembly Ferrofluidic Seal Rotary Actuator ...

Страница 74: ...ompletely symmetrical in the disk stacking direction and air flow is well intermingled at the inside hub for uniform and efficient cooling around the read write heads along with the servo head 4 2 2 Spindle motor 1 Features By adopting the brushless DC spindle motor and connecting the motor directly to the spindle shaft the following are realized The device becomes compact Pulley and belts are unn...

Страница 75: ...rent I A 4 0 Induced voltage constant Ke mV rpm alP phase 8 2 Winding resistance Ra n phase at 20 C 1 12 Winding inductance La mH phase 1 7 Winding phase number 3 Number of poles and pole pairs 2P 4 Position sensor DN6839 Matsushita Electric The rated values are 3 phase half drive for 120 conduction 4 4 B03P 482S 0002A 01 ...

Страница 76: ...or Winding Stator Stator Core Cross Sectional View Rotor Magnet Rotor Yoke Position Sensor Hall IC Rotor Pole Position Detector Sensor PCB Bottom View Stator Winding Figure 4 2 2 Construction of the spindle motor B03P 4B25 0002A Ol 4 5 ...

Страница 77: ... the regular direction are shown in Figure 4 2 4 Consequently in an actual drive the rotational force is obtained by energizing the windings in the order of C C B B A A 5V 24V Stator Winding Rotor Pole Position Detector HI S8t A 4 6 r I I I I I I H2 S82 1 I tSwitching t Circuit H3 S83 c I 5VRTN 24V I I L _________ _______ J Figure 4 2 3 Schematic diagram of the drive circuit H3 Rotor Pole Position...

Страница 78: ...embly to the desired cylinder within a short access time Figure 4 2 5 Construction of the actuator 1 Magnetic circuit The pair of magnetic circuits are constructed symmetrically as shown in Figure 4 2 6 Each circuit incorporates four permanent magnets rare earth magnets with two magnetic gaps in between Each magnetic gap contains a uniformly spread magnetic field The coil bobbin is inserted in it ...

Страница 79: ...rash stop consists of a moving part attached to the bobbin supporting base and fixed parts on the DE It determines the movable range of the head arm assembly and provides safe deceleration in the event of an uncontrolled seek 4 2 4 Actuator auto lock During transportation all heads must be placed wi thin the CSS zone to prevent damage to the data area For this purpose the M236lA has an auto lock m...

Страница 80: ... pulls the auto lock arm Then the stopper pin is free and the rotary actuator can move locked Unlocked Magnet Plunger A A A A A V V V V t_ Stopper Pin Auto lock Arm Outer Stopper Inner Stopper L ______ _ Figure 4 2 7 Actuator auto lock B03P 482S 0002A Ol 4 9 ...

Страница 81: ...eads maintain the flying height with the balanced force of each load spring and the air bearing between disk surfaces and the head sliders Therefore to prevent wear caused by contact start stop and to achieve minimum but stable flying height the head is loaded slightly and its slider rails are tapered Figure 4 3 1 Head arm assembly Note Head Assernbl ies shown are for the M235lA To increase the ou...

Страница 82: ...a surfaces CYL 0 18 611 BPI CYL 841 CYL 0 CYL 841 10 655 BPI 1 7 J 1 I I surface Figure 4 3 3 Data and servo area locations ThouSh the rotational angle of arm assemblies is constant for all tracks 2 27 x 10 4 radians per track the track pitch for the inner and outer heads varies as shown in Figure 4 3 4 depending on the mechanical arrangement of the head arm and the cores The track width of the in...

Страница 83: ...TPI 930 920 outerhead 910 900 890 880 870 Inner head 860 850 I I I Figure 4 3 4 Track pitch 4 12 B03P 482S 0002A 01 ...

Страница 84: ...wn in Figure 4 3 5 r Index pu Ie r Sync pulse Track abbreviation r Odd 1 pulse Servo head gap position r Even I pulse I I rOdd2pul 02 rEVe 2 p N NS SN INs S N NS S N NS S N NS SN NS S J j j It J 01 V V V N NS SN INS N S S N Ns S N INS SN INS I 1 It E2 V V V V N S SN NS S N NS S N NS S N NS N NS S I 1 EI V V V N NS N NS S N NS S N S is N NS SN NS S I J l l 1 Jl1 02 f V V V N NS N NS S N NS N NS S N...

Страница 85: ...tern I Is lo atc d 10 the outermost area and IS used 1001 t to ddect abnormal condlllOns such as I no m on I h d to poulton 11 mo V 0 It 8 01010 01110 L Is used to position the head on cylinder O Is used by the head to perform the CSS operation This zone is used also to switch the carriage direction during the rezero operation The area Identifying pattern inserted every 64 servo bytes I indicates ...

Страница 86: ...01 El El 01 01 01 01 El El 01 01 Phase 1 02 E2 E2 02 02 E2 E2 02 02 E2 E2 02 E2 02 02 E2 E2 E2 Phase 2 N 5 0 N VI r0 o 0 8 r0 o 0 0 0 0 CIO CIO CIO I I I I I u Figure 4 3 7 Servo track configuration B03P 4825 0002A Ol 4 15 ...

Страница 87: ...e beginning of a record Therefore Data Area DA with different lengths in a track can be written or read On the other hand every record must have the same length specified by sector length in the Fixed Sector Format 4 4 1 Format Index F1__________________________ ___ J Fi __ Format Index or Sector Format 4 16 F1 I Min 18 Figure 4 4 1 Variable sector format Red 0 I rRCdD l AA DA Byte fi I I H I J L ...

Страница 88: ... data when a data error has been detected 4 DA Data Area The area where the data should be recorded CRC or ECC must be added 4 4 3 Track efficiency Table 4 4 1 shows examples of calculated results of track efficiency in Variable and Fixed Sector Formats The following assumptions are made for this calculation The length of Address Area including the SB is 8 Bytes All gap lengths used are the shorte...

Страница 89: ...er of defects per DE 700 The number of defective tracks per DE 45 Head 0 and 1 at cylinder 0 are perfect tracks There is at least one perfect track and no defective tracks at cylinder 841 All tracks in fixed heads area are not defective If there is a defect in the region of bytes 14 55 after the index mark there is no defect in the region of bytes 69 164 If there is a defect in the region of bytes...

Страница 90: ...I 2nd Defect 3rd Defect POI Ilcn lh 2 2 Pas Ilcn lh 2 2 Figure 4 4 3 Format 1 4th Defect Pos ILen lh 2 2 104 j FO All O s 1 I 3 t If the beginning of a defect is located in the region of bytes 10 55 60 bytes of zeros are added to Gap 1 Figure 4 4 4 shows an example of this format __ HAI ______________________ 14 SS 69 89 90 92 94 9S 96 99 100 103 104 107108 111112113 liS SYNC eYl t 1 19 o r HA2 11...

Страница 91: ...t 4 Inspection data sheet The location and length of media flaws are recorded in Header Areas as described in 3 as well as printed out on a sheet which is attached to each drive The contents of this sheet are listed below Data Year Month Day Drive type M236lA Serial number of drive Serial number of DE Information about flaws Cylinder address Head address Location of flaws in bytes after index mark...

Страница 92: ...le All signals except Open Cable Detect and Power Sequence Pick Hold signals must be terminated both in the drive and the controller as shown in Figure 4 5 1 I I Controller I ____________ J r 470n y R3 I I I I Drive 0 L ______________ _ SN75107 R4 I I I I I Last drive L ________________ _ Note 1 Line terminators are located in the drive and the controller Rl to R4 56 Ohms 10 1 10W 2 The maximum ca...

Страница 93: ...SN75110 Controller ______________ J I SV I 470n 20kn 5V J J _ I I I SN75 107 108 Unit selected L______ _____________ Figure 4 5 2 Open cable detect Power Sequence Pick and Hold must be set to ground in the controller r Controller I I I I Pick I a C I I I llold 4 0 ___ I I I I I I I t _____________ J rri I Drive tonextdrive L Figure 4 5 3 Power sequence pick hold 4 22 B03P 4825 0002A Ol ...

Страница 94: ... READ DATA lines on the control unit and disk drive unit should be eliminated 4 Time delay of the cable is approximately sns m Transfer time and delay of the Receiver SN7sl07 is 19ns nominal for both high and low signals 5 To prevent false operation of the receiver due to interface disturbances during a power failure of the unit the bias resistors as shown below are used on the controller side for...

Страница 95: ...7 41 11 BUS 8 42 12 BUS 9 43 13 STATUSO 49 19 STATUS 1 47 17 STATUS 2 46 16 STATUS 3 45 15 STATUS 4 58 28 STATUS 5 50 20 STATUS 6 48 18 STATUS 7 55 25 OPEN CABLE DETECT 44 14 BUSY 51 21 POWER SEQUENCE PICK 29 POWER SEQUENCE HOLD 59 Figure 4 5 5 A cable Low High IF WRITE CLOCK 2 14 READ CLOCK 5 17 READ DATA 3 16 WRITE CLOCK 6 19 WRITE DATA 8 20 CONTROLLER UNIT SELECTED 22 9 DRIVE SEEK END 10 23 mOE...

Страница 96: ...gure 4 5 29 On the other hand if the dual channel option is installed and the drive has been reserved by a Priority Select command from channel A channel B cannot reserve the drive with Unit Select or Priority Select command until a Release command from channel A is issued Refer to Figure 4 5 30 2 Unit Select 1 2 and 4 These three signals are binary coded to select the drive and are validated by t...

Страница 97: ... a 2 d 3 19 689 MB moving head area Figure 4 5 7 Mapping Detection of Over Cylinder The M2361A issues both Seek End and Seek Error when illegal cylinder address i e greater than 841 is issued from the controller 4 Head Address Tag 2 The head address is set by Tag 2 and Bus 0 to 4 Throughout Tag 2 Bus 0 to 4 must be stable Refer to figures 4 5 13 to 4 5 14 If the Head Address transferred from the c...

Страница 98: ...nder the following conditions Unit Ready True On Cylinder True Seek Error False Fault False Open Cable Detect True Write Gate False See the Read Gate timing chart in Figures 4 5 12 4 5 14 4 5 27 and 4 5 28 c Servo Offset Plus Bus 2 When this signal is true the head is offset 100 micro inches away from nominal On Cylinder position in the outer direction with the responses of Seek End and On Cylinde...

Страница 99: ...ing alternate channel access possible after selection by the other channel Refer to Figures 4 5 29 and 4 5 30 If the drive has been reserved by Uni t Select and the Release Timer Swi tch on the display panel PCB B17B 0270 0010A U is set to RLTM side the drive will automatically release the reserved condi tion approximately 500 ms after the Uni t Select command is issued 6 Priority Select Bus 9 wit...

Страница 100: ...7 segment LEDs on the PCB B17B 0270 0010A U for maintenance aid See Table 4 5 2 for information about these Tags Note that Unit Status can always be on the interface by shorting a circuit on the Logic PCB C16B 5 27 0290 U with a shorting plug See Figure 4 5 21 for time specifications 9 Power Sequence Pick Hold Power Sequence is required when the Remote Local switch on the display panel PCB B17B 02...

Страница 101: ...ite Transition Check Linear Mode Latch 6 Index Sector 64 Delta I Write Check Control Latch 7 Sector Sector 128 Servo Off Track Wait Latch 2 Unit Status When both Tag 4 and 5 are False Status 0 7 indicate the basic information required for the Seek Read and Write operations a Unit Ready Status 0 When this signal is true and the drive is selected this signal indicates that the drive has reached the ...

Страница 102: ...ted and the Fault signal is issued to the controller The Fault status can be cleared by one of the following operations 1 Fault Clear on Tag 3 and Bus 4 2 Fault Clear switch on the operator panel 3 Pushing on the maintenance aid MRTZ Switch on the PCB BI7B 0270 00IOA U 4 Switching off the power to the drive 5 Stopping rotation of the spindle motor Faul t Status turns on the faul t lamp on the oper...

Страница 103: ... Index signal is not detected where it should be or was detected where it should not have been while performing Write Read operations b Control Check Status 1 The following fault conditions cause Control Check 1 Write and Read Gate are issued at the same time 2 Write operation during offset mode 3 Write Gate is issued in the write protect mode c Multi Head Check Status 2 Indicates that two or more...

Страница 104: ...ot present does not result in State 1 2 Run State Good not Hall Alarm and Motor At Speed are sent out cannot be obtained for approximately 40 seconds in State 3 3 Run State Good goes off during State 6 It cannot be cleared by the Fault Clear Switch on the operator panel or Fault Clear signal on the interface but only by stopping rotation of the spindle Table 4 5 3 Contents of DE Sequence Latches L...

Страница 105: ...Latch Status 6 Wait Latch Status 7 The five latches observe the sequence of seek and RTZ operations Whenever an error occurs during seek or RTZ the content of these latches are frozen at that time so that they are beneficial for error analysis They can be cleared by RTZ operation The relationship between access state and the contents of latches is shown in Table 4 5 4 Table 4 5 4 Access states Rez...

Страница 106: ...input signals 1 Write Data Carries NRZ data which is to be written on the disk surface and must be synchronized with Write Clock Refer to Figure 4 5 24 2 Write Clock Write Clock is a return signal of the IF Write Clock issued from the drive as shown in Figure 4 5 8 and must be synchronized with the NRZ Write Data Refer to Figure 4 5 24 I Write I Servo pulse I I VFO I I I I I I Raw data I Write I I...

Страница 107: ...is signal activates all signals in the A cable Refer to Figure 4 5 9 5 Seek End In a combination with On Cylinder or Seek Error Seek End goes true after a Seek or RTZ indicating that a Seek or RTZ operation has terminated Seek End goes false for 4 5 ms at the beginning and end of an Offset operation in default mode In the other mode Seek End never goes false at resetting offset as described in Tab...

Страница 108: ...is signal is available with or without the dual channel feature 4 5 7 Time specifications Timings are specified at the connector position of the drive It is necessary for signal timings to consider both the delay time of the interface cable and the circuit of the controller Unit Select Tag I I Unit Select I I 1 2 and 4 I Bus 9 Dual channel only I I I Unit Selected J l200ns max I 600ns max 200ns mi...

Страница 109: ...r 400ns max 1 ____ 3_5_m_s_m_ax_ _____J Note The cylinder address must be less than 841 to select a movable head Tag I Bus 0 to 9 On Cylinder Seek End 4 38 Figure 4 5 10 Seek timing I I I i w 11 200ns min 01 400 1 200ns min I to 5 liS 400ns min I I 4 0 min lOllS max Figure 4 5 11 Zero Track Seek timing B03P 4825 0002A 01 1 ...

Страница 110: ...tS min Figure 4 5 12 Read after Write and Write after Read timing Tag 1 Tag 2 I I _____________ I I I I Bus 0 to 9 I to 5 Js I 400ns min 1 I I to 5 Js On Cylinder Seek End Note Tag 2 can be set during seek operation Figure 4 5 13 Addressing for movable head B03P 4825 0002A 01 4 39 ...

Страница 111: ... min 1 to 5 I s J 0 21 s min Figure 4 5 14 Head address change at the last gap Tag 3 I I I Tag 2 3 Ir200ns min l l 200ns min Seek End Note I _ I I on Cylinder l 400ns max I I 400ns max I I 1 4 Sms 30 4 5ms 30 Note that Seek End does not go false at offset reset operation depending on the position of a jumper plug as described in Table 3 5 1 Figure 4 5 15 Offset timing 4 40 B03P 4825 0002A 01 ...

Страница 112: ... Clear timing AM Enable j 4 Bytes min Write Gate II I AM I Format I 3 Bytes 1 Figure 4 5 17 AM Write Format I AM 3B I Read Gate AM Enable 2 Bytes min i ______ I 1 I I r_I_B_yte_ma_x _________ 200ns min AM Found 2 3 Bytes I I 8 Bytes 1 Figure 4 5 18 AM Detection B03P 4825 0002A Ol 4 41 ...

Страница 113: ...lways set if Seek Error occurs Figure 4 5 19 RTZ timing 1 4 75V 5V Controller ____J Open Cable Detect ____ I LI ______ OSms min J L J LO Sms min Note Two Drivers of SN75110 would be required in parallel without termination to increase the drive current in the interface cable Figure 4 5 20 Open Cable Detect timing 4 42 B03P 4825 0002A Ol ...

Страница 114: ...Tag 4 5 timing 200ns max Unit Status AC Input 1 r lO_ms_min_ 11 Pick Hold Spindle Start Stop Sequence Drive 0 Drive 1 Last Drive 1 ____ omin I I Start ________ I St a rt _________________ Jj 5 sec 4 II I Stop Stop typo r _ ______________ I Start II Stop Figure 4 5 22 Power sequence Pick Hold timing B03P 4825 0002A OIA 4 43 ...

Страница 115: ... 85 2 ns Tdb Continuous delay within 2 bits Tda 0 10 ns Note 1 Write Data and Write Clock timing shall be specified at the output connector of the controller 2 The tolerance of TF includes the rotational speed tolerance and the jitter of servo signal 3 NRZ Write Data issued from the controller is put in to the RLL Encoder and then written on the disk surface with write compensation Figure 4 5 24 W...

Страница 116: ...e going edge of Read Clock in the controller The high speed IC ex shottky type should be used for the clocking circuit ex ser des circuit ECC CRC circuit in the control unit Figure 4 5 25 Read Clock and Read Data timing Index or Sector J I Track Format I IE E GJ S I G2 S C G3 I AA 1 DA GJ BI C B IC I I Jroonsmax I Bytes min t Note Write Gate I I Note Write Gate may be at high level Figure 4 5 26 F...

Страница 117: ... N o I VFO Fast Sync Raw Data 7 r 6 J I J 1 3 min I 1 4 max f 600n5 max 3 min 7 r6 I 3 min f I I l IIt 6 l lr 6 j VFOFastSync___________r l __________________________ r___l __________________________ r___l ________________ Servo Unit Byte Not including head switching time read after write and write after read transient time VFO Fast Sync Raw Data and Servo are signals in the drive Figure 4 5 27 Fi...

Страница 118: ... S IE I S C AM B AA Ie B DA I c I min I IC 31 l 16 min l I max 23 min I max lr I 2 min o s n r iiii4 max I I I I I I t 3 mIn I I I I j I 1 I max I I I 1 I II i I I l I r 8 I j 16 min I I I I 71 6 _1 3 min i 7 I J I I J I I II 6 1 I I I GI AM Not including head switching time read after write and write after read transient time VFO Fast Sync Raw Data and Servo are signals in the drive Figure 4 5 28...

Страница 119: ...Unit Selected A Release A Reserved A Unit Select Tag B j 200ns I I 2 on1 200ns t t 200ns min mm mm mm Unit Select B X X X X 1 2 and 4 600ns r r200ns 600ns r200ns max max max max Unit Selected I I t I B Reserved B Busy B I Note Reserved is a signal within the drive Figure 4 5 29 Unit Select timing Dual channel only 4 48 B03P 482S 0002A Ol ...

Страница 120: ...I u X X Bus Bit q B Unit Selected B I__________________ I Note 1 Disable is a signal within the drive 2 A sequence example of the above is as follows Channel B Select Channel A Priority Select Channel B Priority Select Try Channel A Release Channel B Select Figure 4 5 30 Priority Select sequence Dual channel only B03P 4825 0002A Ol 4 49 ...

Страница 121: ... the moment the disk stops is called the DE Stop Sequence Each of these sequences is divided into several states five states for the DE Start Sequence and three states for the DE Stop Sequence which are determined by decoding DE sequence latches 1 2 and 4 hereafter called DESQLl DESQL2 and DESQL4 and are named states 0 to 7 hereafter called STO ST7 Figure 4 6 2 shows the states of a drive These DE...

Страница 122: ...ek control Read write control Index sector detect Start up control Fault detect I f t I lED switch I DC power 11 DC power supply unit r r I 1 Read write Circuit Servo circuit J l PlO VFO r I I I I I I I I RfW Pre Amp T Power Amp Rotary Actuator I Motor I Servo Pre Amp I Figure 4 6 1 Functional block diagram B03P 4825 0002A 01 4 51 ...

Страница 123: ... the operation enters state 6 In this state the Unit Ready signal may be sent to the controller If one of the following conditions occur during state 6 DESQLI is set and the operation enters state 7 I The START switch on the operator panel is set to OFF 2 The HTRSP signal goes low 3 The HALRM signal goes high b DE Stop Sequence States 4 52 a State 7 When the state 7 signal goes high the ANGHM sign...

Страница 124: ...i I I I I I l Motor Start I 1 I 1 EN25S S f I I I ACCMP DESEQL 4 GHOME GHMCMP _STATE_ STATE 0 3 STATE 1 f Start Sequence START SWITCH OFF I f I I L j II 1 i Y Motor Stop I I i I I 11 j I I ENllS r t I i RTZ I i I f 1 I I I 1 J 1 1 1 GO HOME I STATE STATE tSTATf STATE j I ST TE 2 6 7 5 I i STATE 4 1 Stop Sequence Figure 4 6 2 DE Start Stop sequence ...

Страница 125: ...ame time the driver receivers for the A cable are enabled for transmission While the drive is selected instructions Seek RTZ Read Write and others may be received The drive is released when one of USLTG OCDTR PWRDY goes low Figure 4 6 3 shows the unit selection sequence timing diagram Unit Selcl t Tag Unit Select 1 2 4 Power Ready Open Cable Detedor Select latch Unit Selected Figure 4 6 3 Unit sel...

Страница 126: ...igure 4 6 4 shows the timing diagram a State08 WaitState When Power On Reset goes high Wait Latch WAITL is set high Control Latch CNTL Linear Mode Latch LNML Servo Latch SRVL and Rezero Mode Latch RZML are low b State 00 Start RTZ When the state 2 ST2 signal goes high in the DE Start Sequence Sequence Rezero SQRZ and Any Rezero ANYRZ are set high and WAITL is set low c Stat e 80 M0 veln When ANYRZ...

Страница 127: ...ntrolled in the Position Error Mode If the head reaches within a specified distance from the center of cylinder 00 On Track is high the monostable multivibrator is activated If On Track is high again at the end of the monostable multivibrator operation Track Following Timer TFTMR is set high The operation mode controlled by Position Error is called Fine Control g State07 On Track 4 56 If Valid Ind...

Страница 128: ...T MVOTG GRBDL ENDDC TFTMR VLlX SRVL ONTRK ATTN SKEND ONCYL STATE 00 STATE XO t I STATE OX i I STATE X l STATE Xfl STATL 06 STATE 07 I I i I I i I j I I r I I I I f 1 __________ A ____________________________________ J r 4 JLnJ1JLnJlfU1JL 1 t I I I __ r I j I q j q 4J J I Figure 4 6 4 Sequence RTZ ...

Страница 129: ...ek Error Access Check ACCCK are set low b State 00 Start RTZ When the SYSRZ operation is performed the access mode latches are set low and then WAITL is set low When the MRTZL operation is performed WAITL is set high while SW2 is high When SW2 goes low WAITL is set low c State 80 Move In When WAITL is set low STRZ and RZMJ are set high Before the head detects Guard Band Patterns 1 and 2 GBPl and G...

Страница 130: ... that of sequence RTZ BIT 6 TAG 3 SLeT RZRC ST 6 ANYRZ SRVL SKER WAITL LNML CNIL RZML STRZ SKEND ONCYL STATEO STATEOO I STATE XO I J I I i j II 1 I I I l I I J j __HL __ L Figure 4 6 5 System RTZ sequence B03P 4825 0002A OIA 4 59 ...

Страница 131: ... STATE 00 I STATl r STATE xu I SW 2 RDjWT ACBSY J MRTZl ST 6 ANYRZ WAlTl RZMl STRZ SRVL CNTl LNML SKER F SKEND ______ J Figure 4 6 6 Manual RTZ sequence 4 60 B03P 4825 0002A OlA ...

Страница 132: ...lX SRVL ATTN SKEND ONCYL STATE08 STATE 00 I I STATE 80 STATE M4 STATE 86 STATE 07 F f F i _ _JL r it J I J I I l i I I I I I I J i 1 I I I I I I i I i t f I t 1 _ _ r 1 IV y High Position High Speed In r Low Speed In Speed I Low Speed Out Curve Position Error Out Figure 4 6 7 System Manual RTZ sequence ...

Страница 133: ...to be moved in the inner direction Then when TAGl goes low Set CAR Off Pulse SCAROFP is set high SKEND ONCYL TFTMR and LNML are set low and Access Mode ACCMD is set high The servo control circuit moves the head according to the desired speed curve and generates Track Crossing Pulse TRXGP whenever the head crosses a cylinder TRXGP is sent to the PCAR to increment the register when the head is moved...

Страница 134: ...letion of the timer SKEND and ONCYL are set high If an illegal cylinder address is sent a value greater than 841 SKER and SKEND are set high after about 5 s If the seek operation is not terminated normally that is if the seek operation is not terminated within 250 ms TMOCK or if the Inner or Outer Guard Band are detected during the seek operation or if TRXGP is detected three times or more after t...

Страница 135: ...I I h l I NCAR N h t f r M I PCAR N I N 1 i f M I I i Dl 0128 0 I X l f 0 x I OFlR i I I i l 1 OJ MVOTG N 0 CJ I 0 STCAROFP I l i M I I I I I I X SRVL l J CJ1 I LNML 0 0 0 l J ACCMO 0 TRXGP ENOAC ENOOC I CNTL I LNMOO i TFTMR ___________________________________________________________ F ATTN I SKENO ______________________ J ONCYL Figure 4 6 8 Seek sequence ...

Страница 136: ... and moves the head to the location 100 inches outward of the on track position This operation is terminated within 5 ms When OFACT goes high Offset Active Pulse OFACP is set high and the 5 IDs timer is started MSMS At the same time Seek End SKEND and On Cylinder ONCYL are set low SKEND and ONCYL are set high when the timer operation is terminated When Bit 3 of TAG3 is set to 1 Offset Minus OFSTM ...

Страница 137: ...0 0 o s 0 w 1 1 I CO N Ln I 0 0 0 t l 0 TAG 3 J BIT 6 SLC T OfSTP OfSOT ABN OfACT GD 16 OfAC P M5MS 11 OFINT I SKEND 1 ONCYL i I I I L II f I l I I t 1 I f I 1 N I 1 f I t Figure 4 6 9 Offset sequence ...

Страница 138: ...5 Delta I Write Check WG DIECK Bit 6 Servo Off Track WG RWCAP URDY TFTMR ACCK RG EQUAL Bit 7 Deskew Error RG DSKER Bit 0 R W Gate Check RG WG Bit 1 CItC Offset Active Check OFACT WG Bit 2 Read Only Mode Check RONLY WG Bit 3 These faults can be cleared by one of the following Depressing the Fault Clear switch on the operator panel Fault Clear signal sent from the controller Depressing the MRTZ swi ...

Страница 139: ...vo surface with the servo head The speed is decreased as the position difference is reduced and when the head approaches the desired cylinder the speed becomes very slow b Fine control operation 4 68 When the head nears the desired cylinder and the difference between the desired position and the current position is within the specified range on track the coarse control operation is switched to the...

Страница 140: ...Target velocity Actual velocity Coil current Fine Control Accelerate Constant velocity Coarse control Decelerate Figure 4 6 10 Seek control B03P 482S 0002A Ol Fine control 4 69 ...

Страница 141: ...High Speed Out HSPOT The direction in which the head is to be moved is reversed and the head is moved in the outer direction at about 3 5 inches per second between the moment when IGB2 is detected in the neighborhood of cylinder 18 minus 18 and the moment when IGB1 is detected d Low Speed Out LSPOT The head is moved in the outer direction at about 0 8 inches per second after detecting 1GB e Rezero...

Страница 142: ...diagram a AGC amplifier f r Fine control The AGC amplifier amplifies the output signal from the servo head SVPRE and SVPRE to generate the carrier amplifier signal CRAMP The amplifier gain is controlled by the output SAGC of the AGC voltage generating circuit to compensate for level fluctuation on the servo surface B03P 482S 0002A 01 4 71 ...

Страница 143: ...ervo logic gem rator Circuit detector Position t _J 1r level ___ _ lliL_N4 lN_ _ ____ _ ON1MI _CAI l f Veloclly __ VL Y VlLDA _ _ _ _ _ _ _ detector IV l TY I L _ _ _ _ _ Velocity decelerate detector Velocity level detector l detector OSN OSV_ SNI VN ONl kK L ONTRK__ II Tuner t O I A T_ _ It I I TIoI ___ ____I__ IoI __ N _ ____ 1L _ _ _ _ _ L _ __ _ _ _ _ _ __ _ ______ ______ _____ _ _ _ _ _ _ _ _...

Страница 144: ...r gain control signal SAGC by means of 0001 EVENI 0002 and EVEN2 which are generated by the peak hold circuit If the output voltage of the servo head falls due to variations in the level of the signal read from the media the amplitude of the carrier amplifier output decreases and the output voltage of the peak hold circuit falls lowering the SAGC voltage When the control voltage SAGe f the AGC amp...

Страница 145: ... Amplifier signal CRAMP GSYNC is absent at the locations where the index pulses in the valid Index pattern and the Guard Band patterns are written This signal is used for the VCO and logic circuits to detect patterns GSYNC is generated by ANDing TP4 and the LTSVC signal generated by the logic circuit Figure 4 6 15 Detection of Sync pulse B03P 4825 0002A Ol ...

Страница 146: ...nal from the phase detector INC DEC The output voltage of PLOAN is 0 when the disk is rotating at the specified constant speed VCO counter and decoder The VCO converts DC voltage to an oscillation frequency The PLOAN voltage is proportional to the oscillation frequency When the disk is rotation at the specified speed the oscillating frequency of the VCO is 9 83 MHz 32 times as high as the frequenc...

Страница 147: ...N by the difference between 0001 and EVEN I and POSQ by the difference between 0002 and EVEN2 These two position signals are 90 degrees out of phase with each other 0001 OV EVENt OV 0002 OV EVEN2 OV POSN OV POSQ OV Figure 4 6 16 Position signals B03P 482S 0002A OI ...

Страница 148: ...ect circui t detects the low order two bi ts of the present head posi tion by two posi tion signals POSN and POSQ POSN POSQ POSN POSQ POSN POSQ 0 SNN SNI SQI PARI PAR2 Figure 4 6 17 State of Position signals B03P 4825 0002A OlA 4 77 ...

Страница 149: ...means of SNN SNI SQN and SQI generated from the state detect circuit Switching the polarity of FNPOS according to the carriage movement direction the interpolation signal SMOTR is generated for smoothing the stair step signal from the DA converter ov Cyl 9 Cyl 2 ov ov SMOTH OV Figure 4 6 18 Output signal of smoother 4 78 B03P 4825 0002A 01 ...

Страница 150: ...rror circuit generates the position signal CLPOS for position control by means of FNPOS generated from the smoother circuit and EQUAL PCLMP and MCLMP signals sent from the clamp gate circuit It then combines CLPOS and the velocity signal VLTY to generate the position error signal POSER the error signal for fine control During offset operation this circuit combines the output DACA from theDAconvert...

Страница 151: ...cing the position signal POSN POSQ and also generates the On Track signal ONTRK by slicing Clamped Position signal CLPOS output from the position error circuit OFTRK is used in the circuit which generates the track crossing pulse for decrementing the difference counter in the logic circuit ONTRK is used to generate switching signal ENDDC which changes the control method from the coarse control to ...

Страница 152: ...igital amount to the corresponding analog voltage at offset operation b Non linear circuit The non linear circuit combines the stair step signal sent from the DA converter with the signal sent from the smoother to smooth the waveform and at the same time generates the deceleration curve which is optimum from viewpoints of decelerating current and the access time In addition it applies the output f...

Страница 153: ...Solid line POSN Dotted line POSQ _ DACA SMOTH ACCEL Charge ischarge circuit TP12 4 82 ov ov ov ov ov Figure 4 6 21 Target speed B03P 482S 0002A 01 ...

Страница 154: ...POSN o 2 HSPIN LSPIN HSPOT LSPOT RZOUT 18 IGBI 1GB 2 18 2 IGBl VLGDA OV Figure 4 6 22 Signals in rezero operation B03P 482S 0002A Ol 4 83 ...

Страница 155: ... the linear portion with the integrated value of the coil current CSNSE in the rotary actuator The output of the state detect circuit is used to select the linear portion of the position signal OV Cyl 9 Cyl 2 OV Waveform generated by differentiating POSN Waveform generated by differentiating POSQ CSNSE VLTY 4 84 OV OV OV OV Figure 4 6 23 Velocity B03P 482S 0002A Ol ...

Страница 156: ...fine control That is the circuit generates ENDDC after the specified time has elapsed from the moment ONTRK goes low and EQUAL is low At this time CAPVL is used to indicate that the velocity is lower than the specified velocity r Timer The timer is used to generate the Track Following Timer signal TFTMR which informs the logic circuit that the access operation has been completed normally after the...

Страница 157: ...t in the range of 3 600 rpm 2 and the Hall alarm signal HALM which indicates an abnormal condition of the hall effect element used for monitoring the spindle motor rotation v Power amplifier for rotary actuator This amplifier provides drive coil current proportional to PADRV sent through the power amplifier interface and sends CSNSE to the servo circuit upon detection of coil current In addition i...

Страница 158: ... HI H2 l _______ One rotation Figure 4 6 24 Outputs of hall effect elements B03P 482S 0002A Ol 4 87 ...

Страница 159: ... gap is revered The direction of magnetization of the surface of the disk is then reversed Each flux reversal means that a 1 or 0 has been recorded on the disk Data Head Disk Rotation Write Current Write Current Write Current _ Disk Rotation Recorded Bit Figure 4 6 25 Data Write h Data Read 4 88 During a read instruction the transitions recorded on the surface of the disk are detected by the head ...

Страница 160: ... In read operation the recorded data in 2 7 code is read and converted to NRZ data by a decoder then transferred to the controller The 2 7 code is a code of 4 to 8 bits in length converted from NRZ data of 2 to 8 bits in length according to the specified rule shown in Table 4 6 4 The 2 7 code contains continuous Os from 2 to 7 between two Is In the 2 7 code the minimum code bit period is more than...

Страница 161: ...must use this Read Write Clock signal in the case of Write Clock WTCL and Write Data WTDT generation When a write command is issued from the control unit after head selection the WTDT and WTCL signals are sent to the disk drive and the WTDT signal is clocked by the positive going edge of WTCL signal The clocked WTDT signal is applied to Encoder circuit WTDT of NRZ code is converted into Encode Wri...

Страница 162: ...I I I L ___________ J WTCL WTDT SVMOD WGCTL MCPSL MUSFV HDSHT DlWCK CYS12 HARt HAR2 HAR4 HAR8 HAR16 WDTA L ______________ I I I I I I I I r I I r J I I I I I I I DISK ENCLOSURE DATA HEAD 18 19 PCA Ct6B SS02 0040 I __ _ _ I L ______________________________ J Figure 4 6 28 Write Operation Block Diagram ...

Страница 163: ...ued from the sync decision window circuit comparing the phase difference between WTCL and VF02F by enabling the Write Gate Control WGCTL signal The NRZ data synchronized with the internal clock is applied to 2 7 encoder circuit The output of the 2 7 encoder circuit is applied to six bit shift register Each output of the six bit shift register is applied to write compensation circuit and then conve...

Страница 164: ...GCTl WTDT VFO VCO J FF K 2 SYNC I DECISION t ClKA 2F WINDOW ClKB r L FF AMWD MPX SYNGT HAR1 CY512 FF 2 7 6 BIT SHIFT ESR5 ENCODER REGISTER MPX ESR2 ENCWD DELAY lVC WDTA Figure 4 6 29 2 7 Coding AM Write and Write Compensation Block Diagram ...

Страница 165: ...ENCWD ESR2 tp 0 w tI I p 00 N ESR5 V1 I 0 0 0 N EY 0 N I 1 r 1 l I 1 OT LT I I I I r 1 I I I I OT OT EY OT ILT EY WDTA u u u u u u Figure 4 6 30 Write Compensation Timing Chart ...

Страница 166: ...matic Gain Control AGC circuit The AGC circuit consists of an AGC amplifier IC MB43303 Equalizer circuit LPF Low Pass Filter circuit and Reak Detector IC MB4311 The AGC circuit develops the control voltage to the AGe amplifier and holds AGC output amplitude 200 mVp p at a constant level The output of the AGC circuit is amplified to 2 0 Vp p and sent to the Pulse Shaper circuit After going false of...

Страница 167: ...ord Refer to Figure 4 6 33 AMGeL I AGe OUTPUT n n I n ft n n n u u f 2 0V pop n u I 3 Bytes DC rased J Figure 4 6 33 AM Enable on Read Signal R A n u The AGC output signal is applied to Pulses Shaper which is the analog to digital convertor circuit The block diagram is shown in Figure 4 6 34 L R u The output of Pulse Shapter which is Raw Data RAWD is sent to the VFO circuit 4 96 B03P 482S 0002A 02...

Страница 168: ...I I I I RDGT I r Data HIC Head I 18 19 A Receiver AMP MB4316 WGCTL A B NSQHG HARt CY512 Pulse Shaper B MB43121 Slice Voltage r I I W23 I I 11 I I W24 I AGC Equalizer LPF AMP 1 MB4303 Circuit Circuit J AGC Circuit Peak Detector MB4311 l ____ _ 1 ____________ J W25 r RAWD W26 Lve I RAWD ToVFO Figure 4 6 34 Read Operation Block Diagram A 8 ...

Страница 169: ...EXER AND OR r AND 1 r C TMG ONE SHOT DTINI r we OLDT lW7 W9 DTIN2 REFERENCE PHASE CMP ONE SHOT REFP CHARGE LPF and Vc 15NS PUMP BUFFER VCO f PHASE PCLO COMPARE LATCH DD1 2FCLK DV VF02F To Decoder VF02F W10 2 t DTWD L DATA DV SPOT WINDOW To Decoder SPOT Figure 4 6 35 VFO Block Diagram ...

Страница 170: ... signals into the VFO circuit During a non read operation the signal is applied to the VFO circuits by the enabling of the Servo Mode SVMD signal During a read operation the RAWDT signal is applied to the VFO circuits by disabling the SVMD signal The VFO input multiplexer output Data Input 1 DTIN1 is applied to the TMG One shot circuit b TMG One shot The TMG One shot circuit issues a Data Input 2 ...

Страница 171: ...uring an initial seek operation or RTZ operation the FLTSQ signal clamps the charge gump output to OV to recalibrate the VFO function During an initial data read operation a VFO Fast Sync VFOFS signal is issued to the VFO circuit which increases the loop gain of the VFO circuit to widen the pull in range and to shorten the pull in time for synchronization to the RAWD signal At termination of the d...

Страница 172: ...0 0 0 0 DTINl DTIN2 W8 DlDT txt 0 w d REFP I 00 tv VI I 2FClK 0 0 0 tv OORST 0 tv PClO INC DEC Jl n n n __n _ n _ lfL IT Figure 4 6 36 VFO Timing Chart o ...

Страница 173: ... o N t x 1 0 W d I 00 N VI 0 0 0 N 0 N 2FCLK DTWD DTWD DLDT 2FRST FF out 1 FF out 2 OR DATA SPDT Figure 4 6 37 Data Window Timing Chart ...

Страница 174: ... NRZ data according to the conversion table listed in Table 4 6 4 A read command starts the decoder detecting all 1 gap data When this data is detected the 2F clock is toggled to VFO clock VFOCLK to transfer the data The 2 7 data is converted to NRZ data by gating VFOCLK The NRZ data synchronized with VFOCLK is sent to the controller Figure 4 6 4 37 shows the abbreviated block diagram of the 2 7 d...

Страница 175: ...I o o o N o N From VFO 2F READ Clock Clocked Read Data 2 7 Read gate Lock to data VFOIF 8 bit Shift ALL 1 Register Detector VFOCLK ROOT NRZ Gate Circuit SYNC FF A OR 1FWCL R W Clock I A Generator Figure 4 6 38 2 7 Decoder Block Diagram ...

Страница 176: ...e goes to pin 1 of the connector at both the drive and the controller 3 If the drive is in a daisy chain mode with one or more drives make sure that only the last drive has a line terminator installed 4 Ensure that the desired logical unit number LUN of the drive is set on the display panel and that each LUN in the system is unique See Sub section 3 4 8 5 Ensure that the correct sector count is se...

Страница 177: ...issing status indicates that AM Address Mark has not found in read operation Maintenance Personnel can see the drive status and error state on the display panel and the operator panel Refer to Sections 3 3 and 3 4 for detailed drive status and error state and how to know the error state by drive state indicators colored LEDs state indicators 7 segment LEDs and state switch Toggle Switch mounted on...

Страница 178: ... Panel State Lamp 1 Lamp 2 Switch Bit Bit Fault Power on 124 8 1 2 4 8 Off 2 1 1 I 1 0 1 On 0 1 On 0 1 On 0 1 On 0 1 On 0 1 On 0 1 On 0 1 On 1 1 1 1 Error State Figure Ready Off Power Alarm eckI Off Hall Alarm Not Ready I Off DE Sequence t Index Check I I I Control Check I I I Multi Head Check I Head Short Check I 5 4 2 Write Current On Read Check Write Transition Check Delta I Wri te Check Servo ...

Страница 179: ...flow chart Symbol Description Terminal Starting point of the trouble Decision go ahead according with YES or NO Reference test point 0 Connector go ahead same numbered symbol in the same sheet Connector go ahead same numbered symbol in another sheet I I Process 5 4 Troubleshooting Flow Chart In this paragraph the following charts are provided Figure 5 4 1 Figure 5 4 2 Figure 5 4 3 Figure 5 4 4 Fig...

Страница 180: ...h on again Disconnect CN63 CN65 CN66 and CN67 To Sheet 2 Y s Yes To Sheet 4 Restart Replace FAN unit Re power on No Replace Power Supply Unit Yes Figure 5 4 1 Not Ready flow chart Sheet 1 of 5 B03P 4825 0002A 02 5 5 ...

Страница 181: ...ogic 2 R W VFO 3 Servo 4 IfF Basic 5 IfF Dual 6 Power Amp No Replace Back Panel PCB Yes Replace the bad PCB Conn ct CNO 1 and CN63 Disconnect CN02 CN04 CN05 and CN06 Replace Power Amp PCB Replace Power Amp PCB and DI k Enclosure Restart Yes Yes Figure 5 4 1 Not Ready flow chart Sheet 2 of 5 5 6 B03P 482S 0002A 02 To Sheet 3 Replace Disk Enclosure ...

Страница 182: ...From Sheet 2 Connect CN32 and CN33 Replace Display Panel PCB Replace Operator Panel Figure 5 4 1 Not Ready flow chart Sheet 3 of 5 B03P 4825 0002A 02 5 7 ...

Страница 183: ... ON Restart No To Sheet 5 To Sheet S Replace R W PCB Replace Power Amp PCB Replace Servo PCB Replace Disk Enclosure No Yes Yes Adjust DC Voltage Yes Restart Replace Logic PCB and R W PCB No Restart Replace Power Supply Unit Figure 5 4 1 Not Ready flow chart Sheet 4 of 5 5 8 B03P 4825 0002A 02 ...

Страница 184: ... Receiver fault Replace I F Basic IF Dual or check the control unit Check the control unit function Set the correct disk address on Display Panel From sheet 4 Yes Replace Power Amp PCB Replace Servo PCB No Replace Disk Enclosure No Yes Replace operator panel Yes Restart Figure 5 4 1 Not Ready flow chart Sheet 5 of 5 B03P 4825 0002A 02 5 9 ...

Страница 185: ...State key 0 LPl Bit 2 on This error is defined by the following illegal commands 1 Read gate on during write operation 2 Write gate on during read operation 3 Write gate on during offset mode 4 Write gate on during file protect mode Check the control unit function Replace Logic PCB Replace R W PCB Replace I F Basic I F Dual es Yes Figure 5 4 2 Fault flow chart Sheet 1 of 4 B03P 482S 0002A 02 Resta...

Страница 186: ...ce Disk Enclosure Replace Logic PCB Replace R W PCB No Yes Restart R W CN2 30 State key O LPI Bit 8 on Replace R W PCB No Replace Disk Enclosure No Figure 5 4 2 Fault flow chart Sheet 2 of 4 B03P 4825 0002A 02 Replace Logic PCB Replace R W PCB No Yes Restart 5 11 ...

Страница 187: ... on Write current transient in a data head coil ii not performed AC echo Replace R W PCB Replace Logic PCB Yes Delta I write check State key 0 LP2 Bit 4 on The optimum write current is not flowed in some head and head IC Restart Figure 5 4 2 Fault flow chart Sheet 3 of 4 5 12 B03P 4825 0002A 02 ...

Страница 188: ...rm the Dynamic Adjustment of servo circuit Replace Servo PCB Replace Logic PCB Mechanical resonance is too much Restart Replace Disk Enclosure No Servo surface is defective Figure 5 4 2 Fault flow chart Sheet 4 of 4 B03P 4825 0002A 02 5 13 ...

Страница 189: ...vo PCB Perform the dynamic adjustment of servo circuit Replace Servo PCB Yes Yes Restart Yel No Yes Yes Replace Power Amp PCB Replace Logic PCB No Servo surface is defective Replace Disk Enclosure Figure 5 4 3 Seek Error flow chart Sheet 1 of 2 5 14 B03P 4825 0002A 02 Servo CND 49 ...

Страница 190: ...No Replace Servo PCB No Yes Yes Yes Restart Replace Servo PCB No Servo surface is defective Yes Replace Logic PCB No Replace Power Amp PCB No Coil ofVCM is defective Replace Disk Enclosure Figure 5 4 3 Seek Error flow chart Sheet 2 of 2 B03P 4B25 0002A 02 5 15 ...

Страница 191: ...heck the control unit function To sheet 2 To sheet 7 Yes To sheet 3 DA To sheet 6 To sheet 4 Note AA is address area DA is data area HD is head HIC is head IC or chip CYL is cylinder RC is record Figure 5 4 4 Read Error flow chart Sheet 1 of 7 5 16 B03P 4825 0002A 02 ...

Страница 192: ... Yes No Replace Logic PCB Check the interface cable Check the control unit function R W CN2 13 15 17 19 21 23 03 01 No Replace R W PCB No R W PCB Yes R W CN2 13 15 17 19 21 23 Figure 5 4 4 Read Error flow chart Sheet 2 of 7 B03P 4825 0002A 02 From sheet 1 Specific head IC Chip Yes Replace Disk Enclosure 5 17 ...

Страница 193: ...Yes No Replace Basic Dual Yes Restart No No Yes Replace disk enclosure Replace Logic PCB Check the interface cable Check the control unit function From sheet 1 Specific record Use the spare area From sheet 1 Figure 5 4 4 Read Error flow chart Sheet 3 of 7 5 18 B03P 4825 0002A 02 ...

Страница 194: ...es Yes Display Panel From sheet 6 Replace Logic PCB Yes Yes Set the correct key Replace Disk Enclosure Restart Replace R W PCB Restart Refer to seek error now chart No To sheet S Check the control unit function Figure 5 4 4 Read Error flow chart Sheet 4 of 7 B03P 4825 0002A 02 Check the control unit function Yes Replace Logic PCB 5 19 ...

Страница 195: ...V AEU Logic ADl Servo CNB 34 Check the control unit Record error Yes Yes Replace Logic PCB CRC error Check the control unit function From sheet 4 To sheet 7 Adjust RV8 on Servo PCB Yes Replace Servo PCB No Replace Disk Enclosure Yes Restart Figure 5 4 4 Read Error flow chart Sheet 5 of 7 5 20 B03P 4825 0002A 02 ...

Страница 196: ...From sheet I SB SB Error IJata Error CRC Error No No No To sheet 4 To sheet 7 Use the spare area Figure 5 4 4 Read Error flow chart Sheet 6 of 7 B03P 4825 0002A 02 5 21 ...

Страница 197: ...WIO RjW From Sheet I Yes WIS W14 No RjW BA9 887 Replace Basic or Dual Change the interface cable Check the control unit No Yes Replace T W PCB No Yes No Replace Logic PCB Figure 5 4 4 Read Error flow chart Sheet 7 of 7 5 22 B03P 4825 0002A 02 Adjust RVI on R W PCB Replace RjW PCB ...

Страница 198: ...ic PCB Yes I F Basic or Dual No Replace Basic Dual Check the interface cable Check the control unit function No Logic AH8 No R W CN 05 06 Yes Issue AM write command Yes Replace R W PCB Restart Figure 5 4 5 AM Missing flow chart Sheet 1 of 1 B03P 4825 0002A 02 5 23 ...

Страница 199: ......

Страница 200: ...ing printed circuit boards or connectors 3 After maintenance before turning the power on ensure that all printed circuit boards and connectors are seated and installed in the correct position 6 2 2 Replacement 1 Use screwdrivers and other tools suitable for the screws and bolts to be installed or removed 2 Do not leave removed screws in the drive Caution Never loosen the retaining screws for the D...

Страница 201: ... R Logic Circuit 6 PCB C16B 50L 0040 U 1 R Read Amplifier 7 PCB C16B 5502 0050 U 1 R Servo Circuit 8 PCB B17B 0230 0010A U 1 R Interface Circuit 1 Interface Circuit 9 PCB B17B 0240 0010A4FU R Dual Option Ch 10 PCB B17B 0250 0010A U 1 R Power Amplifier 11 PCB B17B 0270 0010A U 1 R Display Panel Assembly 12 PCB B03B 4825 EOI0A1tU 1 R Back Panel 13 Air Filter B90L 1570 000lA 1 14 Fan Sensor C90L 1350...

Страница 202: ...4 Extractor C960 0300 TOO One required 5 Oscilloscope TEKTRONIX 475 or equivalent Oscilloscope Probe TEKTRONIX P6053B or equivalent 6 XIO 7 Digital Multimeter 2 Straight Blade 8 Screwdriver 2 Philips 9 Hexagonal Wrenches Metric system 10 Extension Cablp B660 1950 T646AflL510RO 40 pins 11 12 13 6 5 Preventive Maintenance The air filter should be cleaned or replaced at one year intervals or as requi...

Страница 203: ...of spare parts fully extend the drive and remove the top and rear covers See Figure 6 6 1 1 Extension of the drive 6 4 CD Remove the 4 screws holding the bracket to the rack each side CD Slide out the drive fully from the rack 4 Screws Figure 6 6 1 Extension of the drive B03P 482S 0002A 02 ...

Страница 204: ...e 2 screw A holding the front side top cover Loosen then 4 serews B holding the middle and rear side of the top cover CD Remove the top cover upward Top Cover 4 Screws B 2 Screws A Figure 6 6 2 Top cover removal B03P 4B25 0002A Ol 6 5 ...

Страница 205: ... 3 Rear cover removal CD Remove the 11 screws A holding the rear cover r II Screw AI Rear Cover Figure 6 6 3 Rear cover removal 6 6 B03P 482S 0002A 02 ...

Страница 206: ...ng the DE QD Lift out the DE carefully from the drive Caution Take care because the DE weighs approx 58 lbs 25 kg 2 Installation QD Before installing the DE ensure that the cables are connected correctly l Lower the DE gently on the shock mounts taking care to watch the area all around the DE so cables are not pinched G Follow in reverse order the procedures for removal B03P 4825 0002A Ol 6 7 ...

Страница 207: ...OJ o w d I 00 N VI I o o o N o I 4 Screws B o r eN21 Power Amplifire r l Figure 6 6 4 DE replacement o Z U ...

Страница 208: ... 3 DC voltage adjustment Check the DC voltages at the check terminals W1 W6 on the back panel PCB using digital multimeter The check terminals configuration is shown in Figure 2 6 3 If a DC voltage is out of the permitted range listed in Table 6 6 1 readjust the corresponding variable resistor shown in Figure 6 6 5 Table 6 6 1 Permitted range of DC voltage DC Voltage Permitted Range Check Terminal...

Страница 209: ...ER I I ALARM OBLOWER _ J I I SV l I J VOLT ADJ L_S 2V l CN60 r 6 Screws 12V O 12V VOLT ADJ VOLT ADJ 4V 1 24V 24V OV lOO 120V r m INPlil o 200 240V MAIN LINE SWITCH lSA CN63 65 67 right side of PSU _____ AC Power Cable Figure 6 6 5 Rear view of DC power supply unit ...

Страница 210: ...or CN68 that go out from fan Remove the 4 screws A holding the fan 2 Installation Follow in reverse order the procedures for removal j4SCreWs IAI r CN68 I I I l I I I I I I I 0I I I DC Power Supply Unit Figure 6 6 6 Fan replacement B03P 4825 0002A 02 6 11 ...

Страница 211: ...l and then remove it 2 Installation Follow in reverse order the procedures for removal 6 6 6 Display panel replacement Refer to Figure 6 6 7 1 Removal CD Remove the 4 screws A holding the front panel and then remove it Ci Remove the connectors CN31 33 that go out from the display panel Q Remove the 6 screws c holding the display panel and then remove the PCB 2 Installation Follow in reverse order ...

Страница 212: ...0 0 w tj I 00 N lo I eN3l 0 0 0 1 0 I Screw A Screw 8 eN83 Figure 6 6 7 Operator panel and display panel replacement ...

Страница 213: ...move the interface cables connected to the interface PCB CD Remove the 2 screws holding the card fixture and then remove it CD Pull up the interface PCB 2 Installation Follow in reverse order the procedures for removal Card Fixture Screw Interface Dual Interface Basic L _____ _ _ __ Figure 6 6 8 Interface PCB replacement 6 14 B03P 4825 0002A OlA ...

Страница 214: ...mplifier PCB Q Remove the 2 screws B holding the right side bracket and then remove it QD Remove the connectors eN31 33 that go out from the display panel PCB CD Pullout the 2 nylon latches and remove the power amplifier 2 Installation CD Follow in reverse order the procedures for removal CD Ensure that the power amplifier is correctly seated in the PCB guides B03P 4825 0002A Ol 6 15 ...

Страница 215: ...I I I I t xI 0 W I 00 N Vt I 0 0 I 0 N r 0 tf DE I 1 L __ Nylon Latch 4 Screws II A Figure 6 6 9 Power amplifier replacement Power Amplifier PCB 2 Screws B eNOS CNOI CN03 CN06 CNOl CN04 Front Panel ...

Страница 216: ...plifier PCB Refer to item 1 of subsection 6 6 8 6 Remove the 4 screws C holding the blower bracket J Remove the 4 screws D holding the upper side of the line blower Caution Take care not to drop the screws QD Remove the air filter Refer to item 1 of subsection 6 6 9 CD Remove the connector CN7l that goes out from the fan sensor and remove the blower assembly QV Remove the connector CN9l that goes ...

Страница 217: ...ower Caution Take care not to drop the screws Remove the connector CN71 that goes out from the fan sensor and remove the blower assembly CD Remove the connector CN91 that goes out from the line blower QV Pull and remove the fan sensor 2 Installation Follow in reverse order the procedure for removal 4 Screw 0 Blower Bracket Line Blower Fan Sensor Air Filter 2 Screws B 4 Screws e Figure 6 6 10 Blowe...

Страница 218: ...the extractor tool provided with the drive into the hole of the PCB and turn it as shown below 2 Installation Follow in reverse order the procedures for removal I I Dummy Card 0 0 Logic I w C 0 R W VFO N N 0 0 Servo Ie Figure 6 6 11 Card cage PCB allocation Extractor Tool PCB Figure 6 6 12 PCB removal B03P 4825 0002A OlA 6 19 ...

Страница 219: ...rive CD Pull up the back panel assembly from the drive base Remove the 8 screws 0 fixing the PCB to the card cage and pull apart the PCB 2 Installation Follow in reverse order the procedures for removal 6 6 14 Line terminator replacement Refer to Figure 2 6 1 1 Removal CD Remove the screw holding the GND cable of the line terminator PCB to the GND terminal on a interface PCB CD Pull and remove the...

Страница 220: ...DC Power Supply Unit DE 2 Screws B Back Panel f 1 4 Screws A 4 Screws c Back Panel PCB Card Cage 8 Screws liD Figure 6 6 13 Back panel removal B03P 4825 0002A 01A 6 21 ...

Страница 221: ...tion of IC on PCR Mnemonic BB7 I FA3 90 M R T Z S___ I3 RM27 AOY FA3 90 MRTIS JA2 7C ST6 BUSY 08 BB3 JA2 70 XXX 6B ROWT 09 I FA3 90 JAI 3G 08 10 IN03Q AH8 I Card Pin AF 01 MRTZl BA6 IC Type 06 r Schematic No I r Coordinate I JA2 O Output signal destination XXX 2C Destination coordinate of internal connection on this board Figure 6 7 1 Logic Symbols Figure 6 7 2 shows the IC location of logic PCB 5...

Страница 222: ...ed AS J BA BH7 8H 7 1 Figure 6 7 2 Ie Location I A G 1 B H 1 2 2 3 3 E 9 9 U U A V V W W G X X Y Y A G Z B H Z D K 1 E l 1 K 2 2 3 I AlZ I I I I I I I I I 9 9 iA U U V V W W X X B D Y Y D K Z E l Z l Figure 6 7 3 PCB Pin Numbering B03P 4825 0002A 02 6 23 ...

Страница 223: ...I I I I I I t I BAZ I 0 BDI 0 I I I I I DDZ 0 oADI 0 0 0 0 0 0 0 0 0 0 0 0 0 oABZ OAEI 0 AEZ oAHI oAHZ oALI I I oAll oBBl I I I oBBZ oBEl I BEZ 2 R w 9 f I I o o I I I I 0 0 I o 0 o o 0 0 I I I o 1 Servo 0 I o o I I I I 0 0 I I I I o I o I 0 0 I I I o Figure 6 7 4 Back Panel Pin Numbering Bottom View 6 24 B03P 4825 0002A 02 ...

Страница 224: ...to Table 6 7 1 for the function of potentiometers on the Servo Circuit PCB The test points and potentiometers located on the PCB Servo Circuit are shown in Figure 6 7 5 Table 6 7 1 Function of Potentiometers RV No Function Sealed 1 Position Signal Gain Adjustment No 2 Transient Adjustment No 3 Access time Adjustment No 4 Velocity Offset Adjustemnt No 5 Fine Control Settling Adjustment No 6 Offset ...

Страница 225: ... o N U W16 W14 WI3 j I I I I 8 OWI8 WIS W12 3 c J OWl c r J OV W19 OV 8 8 0W20 OV OW4 OV I I I I I I W21 88 c J 1 2 3 4 5 CNA CNB L J L Figure 6 7 5 RVs and TPs W No on PCB SVIAU OV pins of CNB are 06 10 16 20 26 30 36 40 and 46 ...

Страница 226: ...f Servo Signal J Connect the CNB 34 to an oscilloscope CD Trigger by itself and adjust the potentiometer RVI coarsely so that the signal amplitude is 7 0V O SV peak to peak Refer to Figure 6 7 7 CNB 34 CRAMP 7V O SV pop Figure 6 7 7 Pre Adjustment of Servo Signal c Timer Gate Adjustment RVS CD Connect the CNB 32 to an oscilloscope CD Trigger by itself at the negative going edge CD Adjust the poten...

Страница 227: ...D Adjust the potentiometer RV9 so that Tl TZ 60ns 10ns as shown in Figure 6 7 9 AEI 512813 AG3 512813 f Tl Tl 60 ns 10 ns Figure 6 7 9 Sync Gate Timing Adjustment e Access Timer Adjustment RV12 6 28 CD Connect the CNB 12 to an oscilloscope and trigger with positive going edge of this signal GD Toggle the MRZ switch on the CE panel and adjust the potensiometer RV12 so that TAT is 250ms 10ms as show...

Страница 228: ... light after one minute adjust coarsely the potentiometer RV3 toggling the MRZ switch on the CE panel so as to get READY CD Connect the CNB Il to an oscilloscope and trigger with negative going edge of this signal GD Toggle the MRZ switch repeatedly and adjust the potentiometer RVl1 so that TTFis 2 Sms O lms as shown in Figure 6 7 11 TTF 2 5 ms to l ms Figure 6 7 11 Track Following Timer Adjustmen...

Страница 229: ... 49 to an oscilloscope CD Execute the diagnostic routine mode 03 which issues repetitive RTZ command from cy1 841 QD Trigger the oscilloscope with the negative going edge of the CNB 49 signal CD Adjust potentiometer RV1 so that the following T2 as shown in figure 6 7 13 CNB49 POSN T i l 1 7 2 T2 5 8 10 I I I I J 2V OV 2V Figure 6 7 13 Position Signal Gain Adjustment B03P 4825 0002A 02 ...

Страница 230: ... Fine Control Settling Adjustment RV5 CD Do the same procedures CD G in RV4 adjustment CD Adjust the potentiometer RV5 so as to get the following figure Figure 6 7 15 Fine Control Settling Adjustment d Access Time and Transient Adjustment RV2 RV3 CD Connect the CNB 43 to one vertical input channel of an oscilloscope and trigger with the negative going edge of this signal GD Connect the CNB 49 to t...

Страница 231: ...PCB 550204U must be inserted in Extender Unit Refer to Table 6 7 2 and Figure 6 7 17 for monitor point and location Table 6 7 2 Variable Resistors in Read Write Circuit Item RV No Test Point Specification 6V DC Voltage RV 1 W6 6V O OlV Write Current RV 2 Refer to 1 Floating Slice Level RV 6 W4 Refer to 2 Fixed Slice Level RV 7 W5 4 2V O OlV Balance of Read Signal RV 8 ADX AEX Refer to 3 W23 W24 Fl...

Страница 232: ...204 1 Write Current Adjustment RV2 100 GND o The connector in Figure 14 3 2 must be inserted into the Connector CN1 in Figure 6 7 18 Connect CN2 44 Connector 2 Pin 44 and CN2 49 Connector 2 Pin 49 to ground and adjust RV2 so that the differential output voltage VI in Figure 6 7 18 is 1 020V 0 03V I 27 SIn I i Vl l 4 W 40PIN 38 OV Figure 6 7 18 The Connector to Adjust the write current B03P 4825 00...

Страница 233: ...ecification RV 6 W4 3 0V 0 01V 3 Balance of Read Signal RV8 Read the data recorded in Variable Sector Format on Cylinder 00 and Head 01 and adjust RV8 so that the read signal matches Figure 6 7 19 Verify that this balanced waveform is maintained on Cylinder 256 512 and 841 for Head 00 and 01 NSQHG CN248 Differential output of W23 W24 2 0 Vp p 5 orADX AEX __ __ _____________________________________...

Страница 234: ... _ _ Phase Adjustment RV4 1 VCO Free running Frequency RV5 W7 WB WI0 Refer to 2 Refer to 3 Connect CN2 24 Connector 2 Pin 24 to ground and adjust RV5 so that the pulse period or frequency of WIO matches Figure 6 7 20 Disconnect the cable between CN2 24 and ground after adjust or confirm the the item WlO t 50 _ 150 Tl TJ SO 9ns O Sns f liT 19 6608MH1 d fr Figure 6 7 20 VCO Free running Frequency Ad...

Страница 235: ... the data pattern of 00 00 and adjust RV4 so that the phase between W8 and WiO matches Figure 6 7 22 w ECl vH WIO Eel Vl _I Center of jitter 150 ECl VH W8 ECl Vl T3 13ns O 5ns Figure 6 7 22 Phase Adjustment 6 36 B03P 482S 0002A 02 ...

Страница 236: ... When a _ is given the part screw or washer is not shown in the illustration When blank and the QUANTITY and SPECIFICATION are given a whole of that part is not shown in the illustration or that part is illustrated for detail breakdown in the other page 2 COMPOSITION QUANTITY These columns are shown the relationship between units assemblies subassemblies and parts A unit indicated in a column is a...

Страница 237: ...FIGURE 1 FINAL ASSEMBLY 7 2 B03P 4825 0002A Ol ...

Страница 238: ...TITY 1 B03B 482S BOOIA M236lA mini disk drive 1 1 B210 198S TOOIA Frame assembly FIG 2 2 1 N860 3346 TOOI Operator panel FIG 2 3 1 B03B 482S TOOIA DE assembly FIG 3 4 1 B14L SIOS 0182A DC power supply FIG 3 5 1 B03B 482S D020A Slide guide assembly option B03P 4825 0002A OI 7 3 ...

Страница 239: ...MECHANICAL ASSEMBLY FIGURE 2 7 4 B03P 4825 0002A 02 9 ...

Страница 240: ...1985 W220A 2 F6 Nl 3S Nut 2 F6 WM 3S Washer 2 F6 WB 3S Washer 1 I F6 SSA 2 5x6S M NIIA Screw 4 1 CT TL 98 AL F Magnet catch 2 F6 SW2NA 2x6S Screw I 5 1 B210 1820 X324A Conductive rubber 4 F6 SW2NA 4xlOS M NIlA Screw 6 1 B210 1985 WOOIA Top cover 6 F6 SW2NA 4xlOS M NIlA Screw 7 1 B210 1985 XOO2A Panel 4 F6 SW2NA 4xlOS M NIlA Screw 8 1 B210 1985 WOO3A Bracket 4 F6 SW2NA 4xIOS M NIIA Screw 9 4 B210 1...

Страница 241: ...MECHANICAL ASSEMBLY FIGURE 2 7 6 B03P 4825 0002A 02 ...

Страница 242: ...F6 SW2NA 4xl0S M NIIA 1 Screw I I 15 1 I B210 1985 X021A Clamp base l 2 F6 SW2NA 4x10S M NIIA Screw I I 16 1 B210 1985 X022A Clamp I 2 F6 SW2NA 4xl0S M NI1A Screw 17 1 I R210 198s X023A Clamp 2 F6 SW2NA 4xIOS M NIIA Screw 18 1 B210 1985 X024A Rear cover 9 F6 SW2NA 4xl0S M NIIA Screw 19 1 C90L 1370 0900 Line blower 4 F6 SW2NA 4xl0S M NIIA Screw 20 1 B90L 1570 0001A Air filter 2 F6 SW2NA 4xlOS M NIl...

Страница 243: ...MECHANICAL ASSEMBLY FIGURE 2 20 continued I 7 7A B03P 4825 0002A 02 9 ...

Страница 244: ...L ASSEMBLY continued INDEX COMPOSITION I SPECIFICATIONS DESCRIPTION NO QUANTITY 24 1 I I I N860 3346 TOOI Operator panel 4 F6 SW2NA 4xIOS M NIIA Screw I I I I I I I I I I i I I I I I I I I i I I B03P 4B2S 0002A 02 7 7B ...

Страница 245: ...FIGURE 3 DE 7 8 POWER SUPPLY CARD CAGE 482S 0002A B03P 01 ...

Страница 246: ... Screw 1 B03B 482S DOI0A Card cage assembly 6 1 B210 198S VOSOA Card cage 7 1 B03B 482S EOI0A U PCB Back panel 8 F6 SW2NA 2 Sx6S Screw 8 1 C16B SS02 00S0 U PCB Servo 9 1 CI6B SS02 0040 U PCB R W VFO 10 1 C16B S327 0290 U PCB Logic 11 1 C970 0030 X077 Dummy card 6 F6 SW2NA 4xl0S M NIIA Screw 12 1 BI7B 0230 0010A U PCB Interface Basic 13 1 BI7B 0240 0010A U PCB Interface Dual option 14 1 B14L SI0S 0...

Страница 247: ...FIGURE 3 DE 7 10 POWER SUPPLY CARD CAGE A 01 B03P 482S 0002 ...

Страница 248: ...IIA Screw I B03B 482S D020A Slide guide assembly option 18 I B27L 0230 0016A Slide guide 8 F6 SBD 4x6S M NIIA Screw 10 2 I B210 198S X27IA Tapped plate 20 2 B210 198S X272A Tapped plate 20 F6 SW2NA Sx16S M NIIA Screw 21 2 B210 198S X273A Bracket 22 2 B210 198S X274A Stopper 6 F6 SW2NA 4xlOS M NIIA Screw 23 I B61L OI40 0011AUIOOOO Hour meter option I 24 I B03L 4790 0003A Terminator option B03P 482S...

Страница 249: ......

Страница 250: ...tion Di ram 004 B Disp lay Panel 005 Connect ion Di ram 005 DE 006 Connection Diagram 006 6 Back Panel 007 Circui t Di ram BO 3C 482 5 EO lOAO 1 6 001 9 C C 015 009 9 lDgic Circuit r 016 Cl rcui t Dicli ram C16C 5 32 7 290 01 6 001 28 0 0 043 028 28 Read Amp 1if ier 044 Circuit Di ram C16C 5502 0040 0 1 6 001 12 E 055 012 12 nu caT I 803Q 4825 OOlOA 6 F III lin Sl etm se FUJITSU LIMITEDI oOl IUI f...

Страница 251: ...Power Amplifier Control Circuit 067 Circuit Oiaz ram B17C O 260 00 10 NJ 1 6 001 3 068 002 C It C 069 003 3 Disp lay R mel 070 Circuit DiGIR ram B17C O 270 00 lOAO 1 6 001 4 071 002 I on 003 073 004 4 Interface Basic o7f Circuit Diagram B17C O 230 00 lONJ 1 6 001 5 0 0 075 002 076 It 003 077 It 004 o7 00 5 E Inu _ CIIl I 803Q 4825 OOlOA 6 F IAn s CllCi smt FUJITSU LIMITEDI C02 18 I I ICIICI I Iam ...

Страница 252: ...90 Mount l Oiag ram CI6D 5502 0050 0 1 6 001 1 Power amp lifier Control C1 rcult 091 Hount Lng Oiag ram B17 0 0 260 00 10AO 1 6 001 1 Powe r amp 11 f le r f 092 Hount i Diag ram B170 0 250 00 WAD 1 6 001 1 Display Panel 093 Mount i Diag ram B170 0270 00 LOAO 1 6 001 1 DispTay llanel 094 Iount ing Diag ram B17 0 270 00 10AO 2 6 001 1 0 Interface Basic 0 095 Hount 1 Oiag ram Bl7 0 230 00 lOAO 1 6 00...

Страница 253: ......

Страница 254: ...1 I o o o l o CD I CJ1 I L f fr f c IIt13IC 71 1 0 JO OOIO l U lie b Put I 7 O SO 8 4 10 OI A y lillie Sh 7 9U A w liFO SSO OtlU J r SSO OSU IJE 1I0jO II J TOOIA I B II C90L J70 0900 liri 4 r C90L IJSO OOO I UJ A A A 1 ...

Страница 255: ...SS U OOSO tILl If IIII VFO I U SSO O O U DC Aow S pply 11141 105 OI4 A Aowc A p 8 78 0 SO OOIOA U rc J C 4 14 I AM _J I I_ v c q ___ _ AA _ o U _ _V C IJ ___ _ L _f t t _ DE oJO U5 T 11If A A 2 P _r A r Co_ t D __ Iii r J O iiir I __ _r i flJ LI ffl ...

Страница 256: ... T V ID J 6 D E ML 1 IOd 107 N sIST OL N s TN JIlL I J r f CIII J 64 6 S IV I IV 101 J II L7 L JH E 5 E ID Ei lll N st IA NSlfTN C 1 r l CIV 7 f J I r I 1 1 AI I IA I I I I ul 1 I II II Pc t r A p f 17 USO lOIDjiI V c vJ 1 r v l IIII11I A I I I I A TAI_ S _ II Tifl_ AAI _ u TA _ r L _ A _ TAI_ I J AAI _ TA c I I Jt JDr Li _ C9O JSO OOO C J O D OO I f l ill CN7 l 61 41 I r I I 1 JWv 02 III III E DI...

Страница 257: ...Back Panlll 8 38 4 U5 E IOAIIU 131 7D 11111 10 D KP IIA7 TP IIA7 II I IAlO 11 7 IA PWl OY 31f7 PC sTI I 1 J IIA II BIT 7 1IA I1 T l i lIIA7 1 1111 IIA7 In s T 1 1 0 A I sTl loS IIA I III T IJ 60 1IA7 II TAD IIA 11 1IA7 II sr1 lJ4 fBA7 1111 IIA7 I AI til Tq IIIA II lJ iJ 1I11 I TAtil 1 J1I _ 10 IIIT I JA II JTI J I fllA TAIICI f IA 1I1 r 11 111 IIJII liE srv s I I JII TU 1 I M7 I IIIT 1JII7 1I 1 II...

Страница 258: ...to o VI I X N 01 I o o o N X I 0 I I i I I L C D raror fbneL NtJ60 J J46 Tool Di sp 4f Aan L 17 0 70 00 0 v L J c CI68 J 7 0 O V A A 5 El g Bf z _r i ...

Страница 259: ...S r o CI t I O OO O U DE IJO O 46Z Too A AI IOICI rc I 0 1 W I l _ _ PrlWt AMp tJ 7lfJ 0 10 OOIO 4 U rc c 7l _ _ _ _ _ tv_ _ _ _ _t_ I TA 1f ct J41 1 xr w _ _ _ _ _ _ w J_ _ _ _ _ll a J J r _ L__ t t I Lr t t t t DE L A A 6 ...

Страница 260: ...JA JOJ IA _I1 I D _ _t A olD I C _ 1M j JA DI L o _I7c _ I e lN l1 v T I I JA ID J I Ag C I D _ _ __ JA 10 X JAI_ 10 t JAI IE i 1I I llCi S O ID _ IIC N II C u JAI 4 v__ v Tr 1 1FJ UJItfrtI nC J A 10 sv 110 J JIWITII _ _ 0 I 1 101 V ISII _ _ A J IA ID 1IA _lIel O _ _ IDI V T fAI El4 1 _ If 1 op AN7 tl oJ 0 4 A tJ _ JAI c I ADS II JAI I4 A IS _ _ V Ctl _Z_ __ It w Z __ A S JAI 11 c t JA III S t JAI...

Страница 261: ...e I SA 1_1 IIA IIAS Je J I _ U IA u SAI Ui HIt _ _ lIl W 4S IC T AN I I lAI nr J I _ i _ r If I 11 I lolAl I l IIA I I t II1 l sAI 1 llIA JC 1 1A1 IF I J1I II T 1A Jll s T _ _ l JA _ IE AI _ I J D If_ _ M I H I __ I h III I A J6J J a I _ _ i II 1 JAI lIS JAI II Ill i JAI_I U 1 li L f I 1 __f _ 4 I _ 1AI IA J JF tID _ _ u IAI J E n JA Ia f l 1e IA 1 I I JAI F J C1 _ II l au_l I I MY I t _ CNoa r i ...

Страница 262: ... tt l Mt L lfAI_ DI r I UH r _ I m 1 i I I AJ l ___ I I I I _ I t I H 4 r r EHr AIrV I r A f a L N T _lOY AIr _w I AXA T I AlII J I t __ J Al I _ I 6D I r it I 7 E 6 DZ _ _ ____J J I 1 T l _ CN l4 r _ M I II 1 11 I I DDT 1_7_ If 1 r I c u I I u T I _ 1 6 11 11 I i m I U B h i ft A I J __ _ 1 1_ _ I J 3 1 f noll1 1 rE I 1 l i ...

Страница 263: ...n I I lIE AIM DAII 4 1IA7_ rs At 6f C 1 DAII C C AJ J__ A vo r D 1 oD _ _ I _ f I f II 0 1 I D _t _ C AH __ IDAI It AD IDA AI OA JCAN IDAII tlfl4 PY L I NN tA JW AI AlIl l 11D I E 1 IS l_ _ 1fI 9 tllt1 11 I f l _ f f 4D At u _ _ 7 711 AA I OAI 41 lofC A E L _ _ l1 P l 7 1I1 t d I 4C _ II1 _ 7 A 1 DAII ofC c z IIt _ Ql J a IIIAI_ 11 0 1 it 1o II ce s__ l AI E I I A4 C 1 I1 A If _ _ N _ _ A _ II A I...

Страница 264: ... tI __ _II D If I Ie _ SD I _ Cl _ D f If 111 I C _J I I I _s II 1_ __ _7 S U _ III p M C_P 61 t I II DI y M r I e _ till I lDAtl III ItIII i IE I lDA _ ICMS I NT A tM _lIt N _ _ oI I t71 I _0 11 1If JIr Z c I 1_ 6II E H If _ lIE I I I I I I 10 I II CNn P fY 1 t CllZLtI I I I i I I t I I t AI I eM I e i f f _ r I r B A 5 H f r I _ t r _ i BOr w3 C 4 8 2 E O OA 0 l ES I I FOlIA I J I I ...

Страница 265: ...41 d I All A A Afl T AJ fI d I L _ I I I J 1 7 5 I I eN iF AN ti I 1 It I A A I A fA U I J L _ A I i I I I I VI I I I II CAul CN I P d tI dIAl d 4I4Ir d A y 1 d q hI Ef I 4IW I t I I n I B liD II A I I I A L_ J y t If 6 I I _ _ fa 903C 4825 E01OAOl 6 fIJ r n r I I AI I I _ _ I ...

Страница 266: ...JF I __ o A I A ltl T i__ r 11IA J IIy I__ 2 IfLr 7 11111 10 or 4C FA ____ _____ L ____J 1_7 11 __ 3I I i 1_11 1 I _7 CI 1 7 _ D C O _ _11 1 1 i 7 i I D __ t I ___D1 _S T 1 7 411 f AfI 611 I T I A C S I C _ _ _ _II_ C J U _ _ ___ T ow I_ J tl r _ O UIl _ _ 40 1 i 1t1A III II A7 IC J A _ III I fl I O 11 1111 7 _ _II 1d_ I I t_ J Dr If ...

Страница 267: ...it I A O 11 4S lit J J__ w e f 4 UJ A C f III fC _ __ l1 AS 1C I A If I Cf I _ 4 J 1 S 7C Ll 1J I IU M YA IJ I a 7 JC IM i A L I I 11 L _ _ 1_ C A 7 ___Lt y u J If If I A IE frIA9I t H ly U I A I I PIU 7 tI A 6 J _ If i TI t I A7 C 4IA 7 p I J PH eM A S ___ r Ii AS l J I A7 CI CA y u Ii y r __ w L I YA s I E c 5_ _ s DIL _ ...

Страница 268: ... L JL IAAS st I SD I l_ _ _ LL lIUS II _ 10 L M SF S 7 I _ _ 111 AS SF _D r I It I A 7 I AII It I I _ 1 11 1 _ st S S i 11 I I _ I sF IA J I I I AS sF I s I L L _ 1 11 1 1 1 I IAS SF I 411 I 1 _S I I 1 1 I I 17 _ SF 17 II f_ II I t I It A4J 1 A I 1fA H _S s 1 7 1_ i A4 S S I o L _ r t J1L Vf O 1I 1 l L 7 14 1 fAI f r EL 1 O oIL _ J I_ r Dt J B A 9 II ...

Страница 269: ... C 4 0 IIJ H JHI z L I c1 L f 611J IDI III _ t LL I I I IA I ac e I JL 611 I OJ 1 11 c T D U UA I 1 t 1f4 _IJ o a f IIAS 1AJ 1 4 1 u l4 tNIfI ID IIIIIS K t WlUl tItA CIt U JC C IIIII D f I L ULol4 t II sDHItIl A J III S _ IC _ t L eoUu LIlIl Ult A J III M L A ID J SII ID I 4Q DII SilJl4A f SD 4 C llll _DJl4 AI IIJ IM _ A MJ aaJL tO I lCJ SDJ t t f II S IllS oI U4 tlll lI 4 ICJ J u La 4r L f 111 II...

Страница 270: ...aUL Li 11 0 m1lt 1 eL lJ 4 f A I J L4 fD _ Lt ll lJL 1 L i 41 C I C C C r J 1 C ISIIA II NA J t itlll NIII NA _D fill s fN fU CPA fn N n II H II t L P DIf H I f _ I II 01 0 IJ lot IJ 1I __IIoW I _I p t 2i ri Z r If If SI 1 I 10 t _ tU t __ 1 L L_ _ r IIJI C o A 1 ...

Страница 271: ...lAl I II I I I i i I I L 1IIf 1 1 NlI I A Ml I III le AI S I III 1 tI1 IC iM I fllll C IIU A J 1 fDA S IPII I 11 flA IC 1 UJlS 1 1 1 111 flJlif ICJ IU I IIU IC t S J J 1 41 1 DAI IC IIIAq tle A le 1 IAJ I AI I 101 1IIf I PA tlCI iMl 11 iM PAI IC tPA iMl U IIA liM IC lM I tlC I _ JI J L A I II I D JCI IL L AI 4 tEA I PC MJ I t t c t o A 2 __ _r i ...

Страница 272: ...Iii I I L N I 1 J 1 u aMif 1 JIU t I NIII 1I D a H _AI i _ _ IeJ CDA cJ D411 oIoI IIol I DAI_l rJ 1 1111 tIM u jr _ _ DIII J 1 1111 1 flJlf Ie 1111111 CI D D DAI iJAl Cl Dt4 I J oi llf III D AlI D dJ A 1 _CJ 1 M DIf Ie fDII _CJ fDAI IC o A 3 ...

Страница 273: ... r J f r IJ F r I I P P 4 a I R t I I YVTl 1 1 wocPt n hA 11 J yr JJtI 1 flJ rJs J rl 11 fl f 7 J n l l fJ I Ill to I Df n II ora ttIP J iC I J t I I _ 111 JWIW Ii lflhllJ t NI 11 I _ I ftll llI tll JUlQi h Pi 1 1 dJ IV I I tI I I I il II J o N o o o I 10 N CO it I p t o CO it N I CO ...

Страница 274: ...II 4 DA fD _D D C fDA fE 1 IJIII 1 1 IN X q I J O AJ J A u J e iii 6 t r lJiItI It 1 Ie 1 40 Jf JD l IIIiI J t e r 1 i J I f t ln A c c tllle r CJ I C EAI Vt L AlNNIt W oo r _ AD I E C EIf J t lf6 Z6 J 111 7 EA ICJ 1 4 11 1 4 J r11l4 1Cl rl 11f C 1 4 tEII4 I I 11 tE 711 f III til IN E A 2 __rr ...

Страница 275: ... u s 6 z u lL A J u LI t I J J 1 1 un S l I e J f IIAI I S f 1ULL I III JItNI I J I NI I IIMI _ C sOJ _ I__ L fI j IM I IAII I I 1 _ _ _ I _ sJ LU oL Ie IDA J 1 11 1 6 f jC If H I DA I IOJ If l U ur I04J II I DIII DJ A I JiII I T SCI tiS UA h L__ l t tI r i cJV A il Wru 1 LU tU_ _ I _ de SC IIJ E A 3 ...

Страница 276: ...to o VI I CO l U1 I o o o l o co I l I II i i Ii L I r Q DUfUU aa t I11 i E A 4 iiiiiiI 01 r 1 4 ...

Страница 277: ...00 I l 00 txJ o tN 0 I 00 l CJl I o o o l o t JAI a L4 1L 1 A D 6L1 IU fM L 4 GJ I IA JD J J 4 C 1 41 f DIID _ I A J UUJ L aA IC DA I _FJ c AI E A 5 ...

Страница 278: ...to o U I 00 j CJl I o o o j o f 00 I j ill u I ii I i i II I i L 1 fJJi I ilL Ie 1UL _ I J I I MI _ A J lilt 8i 8 I III f VA 4C r f E A 6 C16C 5327 0290 01 6 FIIJITSII TE I ...

Страница 279: ...r I w I A Y ___ 1 J 1 _ n o1 IfO _ J t i 4L aJ t 4 V j V L T I __________ L A I A C JI1 I rDA J 4D J 1 EII 4DJ fff 11 _ _ _ _ ___ i igc t s I i I I l l fE J fEAI t j t F A 1 C16C 5327 0290 017 6 L 1 11 L r l r I __ ____ 7t _ F I J T S 1 N Tf II II J I f t U I W I ...

Страница 280: ...o J o VI I CD l U1 I o o o l o CD I VI I I I I i i I I L NU J mLL _ M j i LL__ C U O _ 1 f III 101 JAI If J6 L G A 1 flJ f r I ...

Страница 281: ...1 0 VI 0 I l l CJ1 I 0 0 0 l 0 I Itt I _ I_ uun Li_ I O 61 AS I Ul f iI D e tI 11 1 11 11 rD llt t I lJIIU _ _ III NAI 4C au t 1 t J _ O e A ID ar J I U I A v A IJF lOA J CJ DAJ J tD I DAI 61 D J J G A 2 ...

Страница 282: ...to o CN C I 00 l Jl I o o o l o 00 I CN CN ft Itt If i L 1 C IItA 1 J L CUo AI ttt utJn t JD I NAI A NI II 4IfJ HAI H A 1 ...

Страница 283: ...IJj o VI tI I t CX N 01 I o o o N o i L NA tr 9 DAq NJ KIfJ C N _ r I P H __ c 4 RL N 1 ttl 0011 II j lit A SCJ If 1 0 1 4 MO H A 2 ...

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Страница 285: ...J l cr o o o l o r r I Iii I 1 I L f L 1 1 1 I rN fA J H C olrlL _ NA J u J1l _ _ _ J f t r 1 AI I I I rN INA 1 rl EJ 6___ 7 I I I I I I I 1 I 1 f t t __1 ___t_ __t J A 1 t __ _ _ _ __IC16C 5327 0290 01 6 F lITII ITElI I I I 1 1 ...

Страница 286: ...m o J J C I CD l 1 I o o o l o CD I J J J I I I I L rICA rLQ Kif I au _ 1iL J A A fJ t t C NT 1t 1 J A 2 h I ...

Страница 287: ...00 r I 00 txI 0 tJ I X N J1 I 0 0 0 N 0 I Iii I UJ 1 ua llILlAlt J r i i e t J J KJ tT i 1 sn t 144 t A I r 9t fAlif t S J J JiU oS I JA IC kill C I I I rA _r kAI L x A I IAI 1 UA J 1t 4C I J I K A 1 L ...

Страница 288: ...t D o VI 1j I CD l 01 I o o o l o I OJ I VI D I Iii I I L lltlf LUlJIL Irl Hil C f C r c DAiI III t lf IT i A J K A 2 ...

Страница 289: ...o N I II t f I I L t 6 I N J J A J O 4 I _9 L Qr 9 o04l til 11 1111 1 DM H 1 tJ I Q v L L IIf I J t f _ NAt I NA Iln tNA J ___ A JIf J L l0I d jl CIAI J I I _ A J L1 utt D I I tM DAI U NIf l SCJ DA 4J1 s rNA 4A bfI A II Ij AJ J K A 3 ...

Страница 290: ...to o VI I X N 01 I o o o N o I ii Iii i i L llI I K A t aGc J 1 J AFJ J DCJ1t I L_ f Q liD Dta _ rl J 4111 D 4 4D pc a 9 L IA J D JAH J i fi e tI I JA 1 1 1 6 L A 1 ...

Страница 291: ...00 I t o l to o c N I t o 00 l CJ1 I o o o l o rI I Itt I 1C P 1tUf Oj D J 7 4 JT1 L j L IA sr t II J J J IrA ItJJ II fllfJ I II 1 L A 2 ...

Страница 292: ...01 o VI CJ I CO l J1 I o o o l o CO I VI II i II J II L_ L L_ lfl a D fc DJ r IA lIf JL t I1 t L DAO _H L I I S I i CI EA I C I A L A 3 FUJI1 1I UI II11E ...

Страница 293: ... I o o o o I I I LJ I _ D ut L _ Ol l J l 4 1 __ 4 _ I sl C SJ 03 llit II 6 I L ___M _ AI 1M ___ A I cAl SD L t L iA FJ JDJ U f t Q 11f t llfl DJ f __c ra L tIJl J I 1IIf l Jl I A I I L4 j f AJ I11 11 ItIAI t I fA M A 1 ...

Страница 294: ...I N 4fcA to If DI r AI 0 CN 1j lf roJ IV A N I CO 111 C J l IfAI fE M l I 0 0 1 1 AI I 0 l If O lfl _ nu 0 OPAI 1 1 ifill_ 101 re A 4 P 1M IYAI IJ 111 trW M i I I I tit A III I 2 i I t I j it t 1 L j IC16C 5327 0290 01 6 CO 1 _ I I ni i FIIJITlII LI rE l L i iD I A I rDu 1901 1 l I I ...

Страница 295: ...CX I CJ OJ o Vl 0 I CX l CJl I o o o l I I _ i lIe ALf __ 4C Lil IIJ Illfl JJO O f _ _ _ 2 ll _ ___ _ a l L_ I 11 L I t C O I D I DJ _ JJ J __ _ Si a _ 6 j ____ J ___ f tl _____ 2 1 Lftll M A 3 ...

Страница 296: ...I I I I rl i Ii II L ifill SSI1r11 fIll 11 1 101 ID III I t J ff UC I I1ln III IDlf tIlA I el J U DCJ WL f1 f rll I J 1 4 f6A cO I CAlL SSIU04 E N A 1 i ___nlrr i If _ _ _ _ _____ _ C16C 5327 0290 01 6 j i nr t F U J T J U L N TE D I roM 2901 1 ...

Страница 297: ...00 I 00 en o VI tI I 00 N JI I o o o l o I R A 1 ...

Страница 298: ...ttl o VI I CD l 1 I o o o l o lU ra JI J 9 IIl 1 If_ R A 2 ...

Страница 299: ...00 r I CJ1 o to o U 0 I 00 N CJ1 I o o o N o I Iff I a AI _ J 1 OMI J l 1 A C CLY r_ t c j Del J sJ JrA R A 3 ...

Страница 300: ... l I o o o l o ex I I I I t t I r l L L __ _ _ u r fA e Iff tJ A 1_ 6 _ A D 1It A D J 1 _D 1 4 tiD l I tlJ s C I m __ l lL M 4C 81_A t 5 ____ l lOtI AS 3 1 _1 I i J e16e rt Y j_I__l_ llil _ or ___j FUJIT II U TE ...

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Страница 303: ...00 I I Ol o CJ I 0 I 00 l I I o o o l o 4 1I1 t _ _ _ _ _ _ _ BL t I Iff I I L s r flA I JlI L r t t J s A IFI At1 SC J lS lIS e sl f I St R A 7 ...

Страница 304: ...o J o VI I X N 01 I o o o N o X I CJ1 CJ1 I I I i L N 9 7A r r t R A i i 8 1 fUJlr rU UNITE A I LI ...

Страница 305: ...CD r I Jl O l 00 o N 0 I CD l Jl I o o o l o I Iii I I L If E _ _ I I U _ Jil J __ J C irA EIl I II _ Vf 71 AIJ 6 lilC T JIf JA IA 1r J4 I IA A J R A 9 ...

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Страница 350: ...rnlng D Installing DSales o Fully Dwell DWell o Clean oReference D Maintaining o Operating Covered Illustrated Organized What is your overall rating of thiS publication What IS your occupation oVery Good DFair D Very Poor oGood DPoor Your other comments may be entered here Please be specific and give page paragraph and line number references where applicable I I Your Name Return Address L __ _ L I...

Страница 351: ...ICA INC Storage Products Division Technical Support Dept 3OI5J tChlrct Df anJose CA 95134 San Jose No Postage Necessary If Mailed in the United States A _ _ _ _____ _ __ ____ ___ ___ _ _ __ ____ ____________ _ _ _ __ ____ ___ _________ __________ _____ __ _ ___ _ __ __ __ _________ ________ Fold ...

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