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Содержание SA850

Страница 1: ...SA850 851 Bi CompliantTM g Double Sided D Diskette Storage Drive Shugart 23 fS c J ...

Страница 2: ...Accessing 1 3 1 1 3 2 1 3 2 1 1 3 3 Actuator Control Logic Figure 21 1 3 3 1 Power On Reset 1 3 3 2 Forward Seek 1 3 3 3 Reverse Seek 1 3 4 Track Zero Indicator 1 4 0 Read Write Operations 1 4 1 1 4 2 1 4 3 1 1 1 1 2 3 3 3 4 5 6 6 6 6 6 12 13 13 13 13 13 13 13 14 14 17 17 17 17 1 4 4 17 1 4 5 17 1 5 0 Read Write Head 19 1 5 1 19 1 5 2 19 1 5 3 19 1 5 4 19 1 6 0 Write Current Operation Figure 32 20...

Страница 3: ...rotect Detector 31 2 4 5 1 Write Protect Detector Removal and Installation 31 2 4 5 2 Write Protect Detector Adjustment 31 2 4 6 Head Load Mechanism Assembly 32 2 4 6 1 Head Load Mechanism Removal and Installation 32 2 4 6 2 Head Load Mechanism Adjustment 32 2 4 7 Index Sector Photo Transistor Assembly 34 2 4 7 1 Index Sector Photo Transistor Assembly Removal and Installation 34 2 4 7 2 Index Sect...

Страница 4: ...Basic R W Head Recorded Bit Reading a Bit 1F and 2F Recording Flux and Pulse Relationship Read Write Heads Write Circuit Functional Diagram Read Circuit Functional Diagram Data Separation Timing Diagram Interface Connections Interface Signal Driver Receiver Head Load Mechanism Adjustment Head Load Timing Head Penetration Tools Dial Indicator Penetration Plate Installation Dial Indicator Installati...

Страница 5: ...48 Azimuth Burst Patterns 45 Flow Charts 47 logic Diagrams 53 Physical Locations 57 49 1 of 2 61 49 2 of 2 62 Illustrated Parts Catalog 63 50 64 51 67 Schematic Diagrams 68 IV ...

Страница 6: ... Driver 3 Head Load Solenoid Driver 4 Read Write Amplifier and Transition Detector 5 Data Clock Separation Circuits SA851 6 Write Protect 7 Drive Ready Detector Circuit 8 Drive Select Circuits 9 Side Select Circuit 10 In Use and Door Lock Circuits 11 Write Current Switching Read Compensation 1 1 1 HEAD POSITIONING The read write heads are accurately positioned by a Fasflex metal band stepping moto...

Страница 7: ...nge tolerances between media and drives will not degrade the signal to noise ratio and insures diskette interchangeability The read write heads are mounted on a carriage which is pOSitioned by the Fasflex actuator The head carriage assembly utilizes a combination flexured rigid head mounting system This allows the flexured head to load the media against its rigidly mounted counterpart see Figure 2...

Страница 8: ...hen referring to serial data being written onto or read from the disk drive is defined as eight 8 consecutive bit cells The most Significant bit cell is defined as bit celiO and the least significant bit cell is defined as bit cell 7 When reference is made to a specific data bit i e data bit 3 it is with repsect to the corresponding bit cell bit cell 3 During a write operation bit celiO of each by...

Страница 9: ...iskettes using FM encoding can be achieved by us ing The SA850 851 diskette drive with its proprietary ceramic ferrite read write head Phase locked loop VFO data separator Write precompensation Provision of the phase locked loop data separator and write precompensation circuitry is the responslibility of the user of the SA850 851 diskette drive Shugart Associates will provide design information as...

Страница 10: ...dge of the bit cell if 1 There is no data bit or clock bit written in the previous bit cell and 2 There will be not data bit written in the present bit cell NOTE In M2FM MFM the write oscillator frequency is doubled while maintaining the same flux changes per inch as FM Thus the bit cell in M2FM MFM is V2 that in FM Data transfer rate is also doubled since a 1 to 1 relationship exists between flux...

Страница 11: ...ORDING FORMAT In this Format the using system may record up to 32 sectors records per track Each track is started by a physical index pulse and each sector is started by a physical sector pulse This type of recording is called hard sectoring Figure 8 shows a typical Sector Recording Format for 1 of 32 sectors _ _ _ _ I ri IS DATA I CLOCK SYN 72 BITS MIN 40 BITS MAX DATA IDENTIFIER WRITE TURN ON 11...

Страница 12: ...SIDE 0 HEX 01 FOR SIDE 1 HEX 00 FOR 126 BYTE SECTORS _ H X 01 OR 256 BYTE SECTORS I IA1 I FM MFM 11 22 6 12 o 3 10 FIELD 1 X CRC 2 BYTES BYTES J GAP 2 j GAP 10 3 FIELD 2 DATA ADDRESS MARK FM MFM FIGURE 9 TRACK FORMAT DATA GAP DATA FIELD II FIELD GAP 2 2 26 4 USER DATA CRC CRC 1 2 1 I I 1 A1 I 26 53 6 12 o 3 BYTES BYTES Note byte count is tor 26 records Gap 3 change byte count with record length ...

Страница 13: ...bytes Al with unique clock patt n OA Track 11OO Iber head fItIIOOer sectOf record length Generated by CRC alor which should be equiQllent 10 celTT VHl 1 byte 01 FB or Fa 12 12 12 3 3 3 1024 512 256 2 2 2 115 654 BYTES18 REC B3 400 BYTES IS REC 53 598 BYTESI26 REC L_ FIGURE 10 MFM TRACK FORMAT COMPARISON C o C o o C o o C o C C BIT CEll 1 BIT CEll 2 BIT CEll 3 BIT CEll 4 BIT CEll 5 BIT CEll 6 I IND...

Страница 14: ...DATA BITS FE CLOCK BITS C7 o C c 81T CELL 81T CELL e CHl CEll TCEl 81T CELL 5 DATAADDRESSMARKBYTE BINARY REPRESENTATION OF DATA BITS CLOCK BITS C C o C o o o o o FIGURE 13 DATA ADDRESS MARK FM o o o c C c HEXADECIMAL REPRESENTATION OF DATA BITS FB CLOCK BITS C7 C c DELETEDDATAADDRESSMARKBYTE BINARY REPRESENTATION OF DATA BITS CLOCK BITS o o o o o o FIGURE 14 DELETED DATA ADDRESS MARK FM 9 HEXADECI...

Страница 15: ... IBIT ELL IBIT ELL IBIT ELL IBIT ELL IBIT ELL IBIT ELL ___ MFM ID ADDRESS MAR K il BINARY REPRESENTATION OF D DATA BITS CLOCK BITS D IT ELL I BIT ELL I BINARY REPRESENTATION OF DATA BITS CLOCK BITS o o o o o o o FIGURE 16 MFM ID ADDRESS MARK D D D HEXADECIMAL REPRESENTATION OF o o FE 00 D D BIT ELL IBIT ELL IBIT ELL IBIT ELL IBIT ELL IBIT ELL o o DATA ADDRESS MARK I o o o o o o HEXIDECIMAL REPRESE...

Страница 16: ...IBIT ELL IBIT ELL 104 PRE INDEX ADDRESS MARK l BINARY REPRESENTATION OF DATA BITS CLOCK BITS o o o o o o o o o HEXI DECIMAL REPRESENTATION OF o o C2 14 FIGURE 19 MFM INDEX PRE ADDRESS MARK D D C C D JI n n __ n _nL BIT ELL IBIT ELL IBIT ELL IBIT ELL IBIT ELL IBIT ELL IBIT ELL IBIT ELL PREADDRESSMARK BINARY REPRESENTATION OF DATA BITS CLOCK BITS o o o o o o o o o o HEXIDECIMAL REPRESENTATION OF A1 ...

Страница 17: ...eparator sync up requirements Gap 2 10 Pre Address Mark MFM Three bytes of A1 with unique clock bits not written per the encode rules Refer to Figure 19 10 Address Mark FM is a unique byte to identify the 10 field and not written per the en code rules Refer to Figure 12 10 Address Mark MFM is OnE byte of FE and it is written per the encode rules Refer to Figure 16 10 is a four byte address contain...

Страница 18: ... 3 2 1 There are four stator poles with four teeth per pole extending axially the length of the rotor The rotor contains 25 teeth per half spaced 14 4 degrees apart with each being displaced one tooth pitch relative to each other The rotor is permanently magnetized with one gear half being the north pole and the other the south pole The four winding per phase are those which when energized will ma...

Страница 19: ...a reverse direction five tracks Assuming Present position of the read write heads to be track 05 Direction Select at a positive level from the host system Write Gate inactive Five step pulses to be received FF A is off and FF B is on drivers 1 and 3 active Plus Direction Select is inverted and becomes Direction Select With FF A off and FF B on lows are presented to Exclusive ORs A and B With the f...

Страница 20: ... STEP READ GATE TP27 PHASE A PHASE B TRACK STEP COUNT 00 o STEP COUNTER D 0 FFA 5 FFB 0 5 POWER ON RESET TRACK 00 01 02 3 03 04 2 0 05 STEPPER ENABLE 06 3 07 2 08 09 o 10 11 3 2 FIGURE 21 ACTIVATOR CONTROL LOGIC 15 24V 24V ...

Страница 21: ...B1 B1 A2 A1 A2 A1 B2 B2 FIGURE 22 COUNT 0 FIGURE 23 COUNT 1 B1 B1 A2 A1 A2 A1 B2 B2 FIGURE 24 COUNT 2 FIGURE 25 COUNT 3 16 ...

Страница 22: ...ration a bit is recorded when the flux direction in the ring is reversed by rapidly reversing the current coil The fringe flux is reversed in the gap and hence the portion of the flux flowing through the oxide recording surface is reversed If the flux reversal is instantaneous in comparison to the motion of the diskette it can be seen that the portion of the diskette surface that just passed under...

Страница 23: ...RENT FIGURE 27 BASIC R W HEAD CURRENT 4 t F ECORDED BIT FIGURE 28 RECORDED BIT VOLTAGE PULSE FLUX REVERSAL IN GAP RECORDED BIT FIGURE 29 READING A BIT 18 OXIDE RECORDING SURFACE DISKETTE MOTION DISKETTE MOTION till DISKETTE MOTION ...

Страница 24: ...ge in the direc tion of current flow through the read write head This will cause a change in the flux pattern for each bit The current through either of the read write coils will cause the old data to be erased as new data is recorded 1 5 4 On a read operation as the direction of flux changes on the diskette surface as it passes under the gap current will be induced into one of the windings of the...

Страница 25: ...eactl pulse The Q and Q outputs are fed to alternate Write Drivers 1 6 2 Write Gate from using system and not Write Protect are anded together to provide write current 1 6 3 The output of one of the Write Drivers allows write current to flow through one half or the read write coil of each head When the Write Data Trigger toggles the other Write Driver provides the write current to the other half o...

Страница 26: ...he amplifier section of the read circuit After amplification the read signal is fed to a filter where noise spikes are removed The read signal is then fed to the differential amplifier 1 7 2 Since a pulse occurs at least once every 41 s and when data bits are present once every 21 s the frequency of the read data varies The read signal amplitude decreases as the frequency increases Note the signal...

Страница 27: ... Figure 35 1 8 2 AC POWER REFER TO TABLE 1 The AC power to the drive is via the connector P4 J4 located to the rear of the drive and below the AC motor capacitor The P4 J4 pin designations are outlined in Table 1 for standard as weil as optional AC power 1 8 3 DC POWER REFER TO TABLE 2 DC power to the drive is via connector P5 J5 located on the non component side of the PCB near the P4 con nector ...

Страница 28: ...ITE DATA WRITE GATE TRACK 00 WRITE PROTECT READ DATA SEP DATA 851 ONLY SEP CLOCK 851 ONLY 5 VDC X 5 V RETURN __ 24 VDC X 24 V RETURN AC INPUT FRAME GROUND SA850 851 2 J1 1 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23 26 25 28 27 30 29 32 31 34 33 36 35 38 37 40 39 42 41 44 43 46 45 48 47 50 49 5 J5 6 1 2 J4 1 FRAMEGND AC INPUT ACGND TWISTED PAIR These lines are alternate input output lines and t...

Страница 29: ...TAGE TOLERANCE PIN 1 24 VDC 2 24 V Return 6 5 V Return 5 5 VDC kif either customer installable option described in sections 7 1 and 7 3 are used the current require men for the 24 VDC is a multiple of the maximum 24V current times the number of drives on the line 2 4 VDC 0 25 VDC TABLE 2 24 110V 85 127 VAC Frame Gnd 85 127 V Rtn 0 35 Amps CURRENT 1 0A Max 0 85A Typ 1 1A Max 1 0A Typ 7414 50 Hz 220...

Страница 30: ...erciser is designed to enable the user to make all adjustments and check outs required on the SA850 851 drives when used with the SA122 Alignment Diskette The exerciser has no intelligent data handling capabilities but can write both 1f and 2f frequencies The exer ciser can enable read in the drive to allow checking of read back signals 2 1 3 SPECIAL TOOLS The following specials tools are availabl...

Страница 31: ... is not recovered the error is not recoverable 2 2 3 WRITE ERROR If an 13rror occurs during a write operation it will be detected on the next revolution by doing a read opera tion commonly called a write check To correct the error another write and write check operation must be done If the write operation is not successful after ten 10 attempts have been made a read operatilon should be attempted ...

Страница 32: ...TORS 2 2 7 1 J1 P1 provide the signal interface to the host system The pin designators are as listed below 2 Write Current Switch 4 Alternate I O 6 Alternate I O 8 Alternate I O 10 Two Sided optional 12 Disk Change optional 14 Side Select 16 In Use optional 18 Head Load optional 20 Index 21J Ready 24 Sector 851 only 26 Drive Select 1 or Side Select Option 28 Drive Select 2 or Side Select Option 30...

Страница 33: ...ed Track 00 Write Protected IndexiSector a Detector Index Sector 1 Detector Key Stpr Wndg Res A Stpr Wndg Res B Head Load Key Ground Ground Ground Ground Ground Not Used Not Used 24V Door Lock 5V Track 00 Detector 5V Write Protect 5V Index 0 1 Detector Not Used Key Stpr Res A Stpr Res B 24V Head Load 2 2 7 3 J3 P3 J3 P3 provides to interface to the Read Write coils and the trim erase coils of the ...

Страница 34: ...time it is unnecessary Visual inspection is the first step in every scheduled maintenance operation Always look for corrosion dirt wear binds and loose connections Noticing these items during PM may save downtime later Remember do not do more than recommended preventative maintenance on equipment that is operating satisfactorily 2 3 2 PREVENTIVE MAINTENANCE PROCEUDRES Details of preventative maint...

Страница 35: ...estroy the alignment and the actuator assembly will have to be returned to the factory for alignment 2 4 0 REMOVALS ADJUSTMENTS NOTE Read the entire procedure before attempting a removal and or adjustment 2 4 1 MOTOR DRIVE 2 4 1 1 DRIVE MOTOR ASSEMBLY REMOVAL AND INSTALLATION a Extract 3 contacts to disconnect motor from AC connector J4 b Loosen two screws holding capacitor clamp to the base Remov...

Страница 36: ...s solder joints b Remove the screw holding the LED assembly to the cartridge guide c Reverse the procedure for installation d Check index timing and readjust if necessary Refer to Section 2 4 7 2 2 4 5 WRITE PROTECT DETECTOR 2 4 5 1 WRITE PROTECT DETECTOR REMOVAL AND INSTALLATION a Remove connectors from PCB and remove PCB b Extract wires from P2 connector pins 4 D 11 and M c Remove cable clamps d...

Страница 37: ...e head a couples of times and reverify the clearance required c Step to track 76 and load the head check the clearance between the bail and the lift tab Lift tab must not be in contact with the bail and clearance must be a minimum of 008 and no greater than 032 d Return to track 00 1 Sync oscilloscope on TP 11 Head Load Set time base to 10 msec division Connect one probe to TP1 and the other to TP...

Страница 38: ...LOADER SPRING ADJUSTMENT PLATE FIGURE 37 HEAD LOAD MECHANISM ADJUSTMENT FIGURE 38 HEAD LOAD TIMING 33 BAIL AND LIFT TAB CLEARANCE 020 012 ...

Страница 39: ...eep and the first data pulse This should be 200 100p sec If the timing is not within tolerance continue on with the adjustment Loosen the holding screw in the Index Transducer until the transducer is just able to be moved IJ Observing the timing adjust the transducer until the timing is 200 100p sec Insure that the transducer assembly is against the registration surface on the base casting h Tight...

Страница 40: ...E ADJUSTMENT a Insert the shoulder screw tool PIN 50377 1 through the adjustment hole in the cartridge guide and screw completely into the base casting hand tight b Move the handle into the latched position and hold lightly against the latch c Tighten two screws holding the cartridge guide to the latch plate d Remove the tool and check to determine if the flange on the clamp hub clears the cartrid...

Страница 41: ...s tried and the output is still low it will be necessary to install a new head and actuator assembly 2 4 10 1 HEAD ACTUATOR ASSEMBLY REMOVAL AND INSTALLATION a Remove the connectors and the PCB b Remove cable clamp holding R W head cable on PCB side of drive c Remove the grommet from the cable bracket on head side d Unload heads Refer to Section 2 4 3 Steps D E e Remove the two or four screws hold...

Страница 42: ...STMENT a The tools necessary to perform this alignment procedure will consist of penetration gauge tool set screwdriver and 1 4 nut driver see Figure 39 TOOL MASTER DIAL INDICATOR PLATE NUT DRIVER FIGURE 39 HEAD PENETRATION TOOLS 37 ...

Страница 43: ... sure it s indicating surfaces are clean and properly set long hand on zero and small hand on three while it s resting on the penetration tool master See Figure 40 NOTE When the tool is not being used it should be kept where it won t be dropped or knocked off the work bench FIGURE 40 DIAL INDICATOR 38 ...

Страница 44: ...irst and counter bore side up Slide the plate up and over the spindle until it s squarely over the spindle and close the door See Figure 41 NOTE The penetration plate is made of harden tool steel and care should be used not to damaqe spindle or any other part of the drive during insertion of extraction FIGURE 41 PENETRATION PLATE INSTALLATION 39 ...

Страница 45: ...tration plate until you feel the block snap into place See Figure 42 NOTE Make sure all surfaces are clean the block is squarely and fully snapped onto the plate Also avoid handling the block by the indicator FIGURE 42 DIAL INDICATOR INSTALLATION 40 ...

Страница 46: ...o head as shown in Figure 43 f Check the dial indicator for the proper setting The long hand should be between 3 and 3 with the short hand pointing at three If penetration setting is out of this range then continue with pro cedure starting at step 7 See Figure 44 GAUGE POINT INDICATION TAB FIGURE 43 INSTALLATION CHECK FIGURE 44 CORRECT PENETRATION 41 ...

Страница 47: ...nd is on the left side of three the HAC assembly must go to the right B If small hand is on the right side of three the HAC assembly must go to the left When penetration is set tighten Hle two or four mounting screws using a 1 4 nut dri l9r As you tighten the two mounting screws make sure the HAC casting is flush making contact with the machined lip on the base casting Check penetration gauge agai...

Страница 48: ...Loosen the two or four mounting screws which hold the motor plate to the support bracket Refer to Figu re 47 g Move the plate by rotating the eccentric adjusting nut h When the lobes are of an equal amplitude tighten the motor plate mounting screws Refer to Figure 47 i Check the adjustment by stepping off track and returning Check in both directions and readjust as required j Whenever the Head Rad...

Страница 49: ...OF LEFT 3 MIL OFF TRACK TOWARD 76 FIGURE 46 HEAD RADIAL ALIGNMENT FIGURE 47 MOTOR PLATE 2 4 11 DOOR LOCK SOLENOID AND IN USE LED ASSEMBLY REMOVAL a Perform steps 2 4 12a and 2 4 12h b Remove door lock assembly c Reverse procedure to install new assembly d Adjust of the door lock should not be necessary If it has to be the gap between the armature tab and the latch should be 015 010 This adjustment...

Страница 50: ...0 18 12 18 12 FIGURE 48 AZIMUTH BURST PATTERNS 45 ...

Страница 51: ...go low Adjust the detector assembly towards the actuator assembly if not low e Check the adjustment by stepping the heads between tracks 00 and 02 observing that TP26 is low at track 02 and high at track 00 A perfect adjustment is if you have a square wave on a scope 2 4 13 FRONT PLATE ASSEMBLY REMOVAL a Insert the cartridge guide adjustment tool PIN 50377 1 through the adjustment hole in the car ...

Страница 52: ...Flow Charts ...

Страница 53: ...IVE START Insert Diskette with Write Protect Slot Uncovered Insert Diskette with Write Protect Slot Covered YES 47 NO Perform Write Protect Assembly Adj Para 2 4 5 2 Replace Write Protect Assembly Para 2 4 5 1 Replace Drive PCB ...

Страница 54: ... NO Check Logic Level at TP11 Check Logic Level at 3A Pin 3 Replace Drive PCB HEAD LOAD INOPERATIVE Check Logic Level at 5C Pin 3 Check Door Close Switch for Loose Wire and Insure Closure 48 Check 1 0 Cable or Controller Replace Door Switch NO ...

Страница 55: ...vel TP26 TRACK 00 INDICATOR INOPERATIVE Move Track 00 Flag Towards Track 76 Check Logic Level at TP26 Low Return Track 00 Flag to its Rest Position at Track 00 Stop Replace Track 00 Assembly Para 2 4 1 22 Perform Track 00 Assembly Adj Para 2 4 12 2 49 Replace Drive PCB YES ...

Страница 56: ...minator Replace 110 Cable Controller DRIVE NOT COMING ON LINE Check Board for DC Voltage Check Drive Select Jumper Check Jumper Options Check 110 Cable or Controller Replace Drive PCB 50 Check Power Source Install Jumper Install Jumpers END ...

Страница 57: ...r Rotation Check Drive Belt Check Cartridge Guide Adjustment Para 2 4 9 2 DISKETTE NOT ROTATING Check AC Voltage at Drive Motor Connector J4 Replace AC Drive Motor Para 2 4 1 Replace Drive Belt END 51 Check AC Power Source ...

Страница 58: ...ERATIVE Check to See if Diskette Is Properly Installed Check Diskette Rotation Replace Index Sector Phototransistor Assembly Para 2 4 7 Perform Index Sector Adjustment Para 2 4 7 2 52 Turn Diskette Over Re insert Check TP13 for Pulse 167 66 Msec END Check TPI for Pulse 167 66 Msec NO RePlace Drive PCB ...

Страница 59: ...Logic Diagrams ...

Страница 60: ...jlD 5V POWER ON RESET __________________ J DOOR CLOSED DOOR CLOSED RON ____________________ TP12 T INDEX SECTOR 0 INDEX INDEX EK2T TR I 2 SIDED L tAStL J i INDEX l TWO PULSE DETECTOR DRIVE SEL INT SEF DATA SEP CLOCK READ DATA READ GATE SIDE 1 DOOR LOCK B IN USE Y rw GND IN USE U 2 HEAD LOAD DRIVE SEL INT DC 12 W DISK CHANGE b o 0 OPTIONAL OUTPUT 2S 10V TWO SIDED n n 0 1 OPTIONAL OUTPUT 22 READY 20...

Страница 61: ...6 DCGND I I I 5VDC I 5V WR PROT 5V TRK om 5V INDEX mSIGNAL GND NOTES 11 W 1 r TP 10 2 12 5V TP5 TP6 TP7 TP28 mCONNECTOR SYMBOL REFERENCE 1 J1 2 J2 5 J5 rn ALL ODD NUMBERED PINS ON J1 CONNECTOR ARE GROUND TRACK 00 POWER ON RESET DRVR DRIVE SEL INT 44 WRITE PROTECT WRITE PROTECT 9 24V w 24V DOOR LOCK 17 24V 24V HEAD LOAD o 5V IV Vi WRITE PROT LED GND WRITE PROT INDEXLED GND INDEX C TRK 00 LED 3 GND ...

Страница 62: ... W RED OB w5 BLU 4 r STEPPER OC S R7 WHT MOTOR RED T YEL 00 JJHEAD LOAD W BLK 17 0HEAD 24V TO SOLENOID W WHT LOAD SOLENOID U 6 GND TO DOOR W ORG I DOOR I GRY F CLOSED SW CLOSED SW DOOR CLOSED I RED H 2 DOOR CLOSED K II DOOR LOCK BLU 24V TO SOLENOID 2 9 VIOLET 0Egg SOLENOID NOTES OJ GND WHEN ACTIVE AND 24 WHEN INACTIVE 115 OR 230 VAC ...

Страница 63: ...DEX SECTOR 1 GND INDEX ORG DET BLK 12 21 SV INDEX TRACK 00 RED L TRK 00 TRK 00 LED ILED IDETI ORG 10 2 5V TRK 00 GND TRK 00 2 WRITE PROT LED 0 BLK WRITE PROTECT GND WRITE PROT 4 BRN ILEDI DETI 1 WRITE PROTECT 2 SV WR PROT GND IN USE B BRN IN USE jJ IN USE LED 2 2 BLK 8 NOTES OJ GND WHEN INACTIVE AND 1 SVDC WHEN ACTIVE ...

Страница 64: ...Physical Locations ...

Страница 65: ......

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Страница 69: ...Illustrated Parts Catalog ...

Страница 70: ...61 N a ...

Страница 71: ...62 ...

Страница 72: ...SCREW 1 18 51063 GUIDE OPEN ASSEMBLY 1 19 51134 CARTRIDGE GUIDE ASSEMBLY SEE FIGURE 50 1 20 50167 PIVOT 1 20 50670 PIVOT RACK MOUNT 1 21 50168 BIAS SPRING 1 22 51198 SPINDLE 1 23 10801 FLANGED BEARING SPINDLE 1 24 17200 DOOR OPEN SWITCH 1 25 50559 DEFLECTOR 2 26 12013 SCREW 6 32 X 438 4 27 12032 SCREW 8 X 50 2 2 28 FRONT PLATE ASSEMBLY SEE FIGURE 51 29 11905 SCREW 2 30 50142 HANDLE 1 31 12011 SCRE...

Страница 73: ...FIGURE 50 64 ...

Страница 74: ... 6 12015 SCREW 8 32 2 7 12020 SCREW 8 32 2 8 50546 PLATE HUB CLAMP 1 9 50254 HUB ASSEMBLY 1 10 50031 SPRING CLAMP 1 11 12016 SCREW 8 32 1 12 51029 LED ASSEMBLY 1 13 50151 LATCH 1 14 10187 SCREW 6 32 2 15 12015 SCREW 8 32 2 16 51061 STRIPPER TOP 1 17 50313 WRITE PROTECT ASSEMBLY 1 18 12026 SCREW 1 19 51176 HEAD LOAD MECHANISM 1 20 51075 LIMITER 1 21 10014 8 WASHER 1 22 12020 SCREW 8 32 1 65 ...

Страница 75: ...2 FIGURE 51 66 ...

Страница 76: ...TE LOCK 51043 FRONT PLATE ASSEMBLY LITE LOCK RACK MOUNT 1 50587 PUSH BAR 1 2 50349 FRONT PLATE 1 50667 FRONT PLATE RACK MOUNT 1 3 51038 LATCH ASSEMBLY DOOR LOCK 1 4 10002 SOLENOID 1 5 12035 SCREW 4 40 X 250 2 6 50691 SPRING LATCH INTERLOCK 1 7 12013 SCREW 6 32 X 312 2 8 50183 BUMPER 1 67 ...

Страница 77: ...Schematic Diagrams ...

Страница 78: ......

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