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Содержание OA-D32V

Страница 1: ...MICRO FLOPPYDISK DRIVE OA D32W OA D32V SONY SERVICE MANUAL ...

Страница 2: ... access time a 1 3 X Track Nos l x Track to track time Settling Time Environmental Consideration ReliabilitY and Maintainability Preventive Maintenance PM Meantime Between Failures MTBF Meantime to Repair MTTR Component Life Media Life Disk Interchange Soft Read Error Hard Read Error Seek Error Not required 8000 POH Power On Hourtime 30 min 5 years or 15 000 POH 3 0 x 10 passes traek 20 000 times ...

Страница 3: ...OR ON A SYSTEM LEVEL IS 3 2 1 Soft Error IS 3 2 2 Write Error IS 3 2 3 Seek Error IS 3 2 4 Interchange Error IS 3 3 FAULT DIAGNOSIS BY MFD CHECKER II IS 3 3 1 Normal Operation IS 3 3 2 Check Points to Abnormal Operation 20 3 4 FINAL CHECK 23 3 4 1 Setting ofSMC 70 23 3 4 2 Set the Check Area 23 3 4 3 Check the Drive Unit 25 3 4 4 Error Message 27 SECTION 4 PART REPLACEMENT 29 4 1 FC 9 FC 14 MOUNTE...

Страница 4: ...nstallation and Adjustment 33 4 10 WP ARM I D DETECTION ARM I COMPRESSION SPRING 3 659 609 00 REPLACEMENT 34 4 1 1 Removal 34 4 1 2 Installation and Adjustment 34 4 11 DC DISK DRIVE MOTOR BHC 2101A REPLACEMENT 34 4 11 1 Removal 34 4 11 2 Installation and Adjustment 35 4 12 SENSOR MOUNTED BOARD REPLACEMENT 35 4 12 1 Removal 35 4 12 2 Installation and Adjustment 35 4 13 LEAD SCREW ASS Y STEPPING MOT...

Страница 5: ...ring Equipment 42 5 4 2 Measurement 42 5 4 3 Adjustment 42 5 4 4 Set Up Command 42 5 4 5 Measurement Command 43 5 4 6 Adjustment Command 44 5 4 7 Error Message 46 _ 5 5 STEPPING MOTOR LOAD TORQUE 46 5 5 1 Tools and Measurement Equipment 46 5 5 2 Measurement 46 5 5 3 Adjustment 46 5 6 INDEX PHASE 47 5 6 1 Tools and Measuring Equipment 47 5 6 2 Measurement 47 5 6 3 Adjustment 47 5 7 READ AMPUFIER GA...

Страница 6: ...ram on FC 9 Mounted Board 61 6 4 2 Parts Layout on FC 9 Mounted Board 65 6 4 3 Disk Motor Circuit Diagram 67 6 4 4 Parts Layout on Disk Motor Circuit Board 69 6 5 ELECTRIC PARTS 70 6 5 1 ChipParts Replacement Procedure 70 6 5 2 Electric Parts List 71 SECTION 7 PARTS LOCATION AND LIST OA D32V 75 7 1 PARTS ASS Y LOCATION 75 7 2 MECHANICAL PARTS LIST 77 7 3 OVER ALL DIAGRAM 79 7 3 1 Interconnection D...

Страница 7: ...enance in accordance with the procedure specified in this manual as follows Example e Fasten the guide shaft with the two screws PSW2 6 x 6 Em f Fasten the head board to the chassis on the bottom surface and apply nut lock paint to the screw Em g Connect the head board to the head harness by four points with a soldering iron Refer to Fig 4 14 c _ h Connect the head board to the head harness by six...

Страница 8: ...eck system Disk OR D87VA 8 960 009 75 Rotatory Knob fOt Stepping Motor J 609 01l 0A Lead Screw Eccentricity Inspection Tool J 609 l36 OA Standard Disk Dummy for Cassette Up Ass y Installation Geared Driver Pad Weight Hexagon Wrench Torque Driver Power Cable Interface Cable J 609 l20 0A J 609 0l7 0A J 609 124 0A J 609 125 0A J 609 l30 0A J 609 200 0A c Measuring Equipment Oscilloscope Dual Trace 20...

Страница 9: ...onto one track OSC SEL Selects such write data as 2F IF WCP worst case pattern or EXT Power Cable Special Tools WCP W1M Selects upper and lower patterns when the OSC SEL switch is set to WCP Refer to Fig 3 3 c d HD LOAD This is used to set the plunger solenoid active M OTOR ON This is used to operate the Disk Motor DRIVE SELECf Selects the disk drive The DRIVE SELECf switch on the disk drive relat...

Страница 10: ...tively The TRK 00 WRTPRT ROY and DSKCHG indicators are lit when the respective IfF sig nals are low true The INDEX indicator blinks when the INDEX signal is applied to the board TRACK POSITION Seven segment LED indi cator in the right of the board Indicates the current track position 5 Test Points TP I M O T AO R O N TP 2 WRT GATE TP 3 RD DATA TP 5 INDEX TP 6 STEP TP 7 H D L O A D The GND terminal...

Страница 11: ...ZB d gdast JII c H GR ST RDDATA jl TPB TP3 I MOTOR ON 2 SELECT 3 DKCHG 4 SELECT I S CHGRST 6 DIRTN 7 GND 8 STEP I 5 V I 9 GND 10 WRTDATA 2 GND r I GND 12 WRTGATE 3 GND t I 13 GND 14 HD LOAD IS GND 16 SIDE SEL 17 GND 18 INDEX 19 GND 10 TRK HI 21 GND 22 WRTPRT 4 IZV RlWEROIJT CI CZ I SV 0 021 Z OND TP4 23 GND 24 RD DATA GND 2S GND 26 READY 3 aND f 4 lZV EXT WCP IF ZF MFD Checker II Circuit Diagram 1...

Страница 12: ...K SIDE CAT S EYE 00 20 25 30 35 PATTERN 40 45 50 55 79 0 INDEX 40 SIDE not applicable I c DYNAMIC INSPECTION D ISK 30 1m OR D5IVA ED OR D5IWA DYNAMIC INSPECTION DISK 30 _ OR D52VA ED OR D52WA These disks can be used in the final check for a drive with the SMC 70 System NOTE indicates that data has been recorded in the inner side oftracks Contents indicates that data has been recorded in the outer ...

Страница 13: ... readable this time check radial alignment Refer to 5 4 If not readable yet the error is not recoverable 15 3 2 2 Write Error To determine whether the disk or the drive is failing the disk should be replaced by other disks and check that there still exists write error If write error does not exist any more remove the old one If write error exists with use of any rlisk drive might cause write error...

Страница 14: ...e moment when the CHGRST switch is pressed 6 HD LOAD switch on mJ 1 The plunger Solenoid is set on and the pad lifts down IE 2 The plunger Solenoid is set active and the head lifts down 3 The clearance between the HL arm and pad arm is set as shown in Fig 5 9 7 Stepping 1 When the STEP IN switch is pressed the head is con tinuously stepped in until it arrives at TRK 79 When the STEP OUT switch is ...

Страница 15: ...34 5 32 9 31 3 29 S 28 3 26 S 25 4 24 0 22 7 21 4 20 1 IS 9 17 7 16 5 15 3 14 2 13 1 12 0 11 0 9 9 S 9 8 0 7 0 6 1 S I 4 2 3 4 2 5 1 6 0 8 0 0 O S 1 6 2 3 3 1 3 S 4 6 5 3 6 0 6 6 7 3 S O S 6 9 3 9 9 10 5 11 1 11 7 12 3 12 9 13 4 14 0 14 5 15 1 15 6 16 1 16 6 17 1 17 6 IS I IS 6 19 0 19 5 20 0 20 4 20 9 21 3 21 7 22 2 22 6 23 0 23 4 23 8 24 2 24 6 25 0 25 4 25 7 26 1 26 5 e OA D32W 0 0 0 1 0 2 0 3 ...

Страница 16: ... TRK 00 through the Cat s eye pattern signal is to be rechecked and then the head is to be set on the TRK 01 The output signal level of CN I07 5 is 3 V or more 2 Move the head until it arrives at TRK 00 The output signal level of CNI07 5 is 0 7 V or less 1 The DSKCHG indicator lights 1 When the WRITE switch is pressed and 2F IF or WCP MfW are written the corresponding waveform can be obtained at C...

Страница 17: ...ker Refer to Fig 3 4 a Output Signal RDData b EE1 I Fig 3 4 Output Signal and RD Data Waveforms 1 Write WCP W M ontoTRK 79 Such waveforms as shown in Fig 3 5 a b can be obtained at eNl07 l and TP 3 respectively The waveform in Fig 3 5 a b shows the read data at 1 Output Signal CNtOl t RDData Tp 3 a L J b Less than 2 43 IlSec with OA D46VA Less than 2 43 Ilsec with OA 046VA Less than 2 43 jlSec wit...

Страница 18: ...al seconds after power is turned on the CPU auto matically stops the stepping motor and thereafter accepts no instructioh 1 Disk motor drive system 1 Drive select circuit system 1 The CSTIN signal does not appear at CNIOI 5 and it is not sent from the motor 2 The cassette is not properly placed 1 The disk motor 1 Plunger solenoid or its drive system 2 Plunger stroke 3 Head Clearance 4 HL arm heigh...

Страница 19: ... TRACK Po ICI06 5 0 4 8 72 76 H 1 5 9 73 77 L 2 6 10 74 78 L 3 7 11 75 79 H 2 The harness e the TRK 00 sensor is internally attached to other mounting parts 3 Obstacles are attached to the slide guide shaft 1 A voltage of 5 V is not applied to the stepping motor CNI05 I 2 Remark Waveforms of normal operation are HD LOAD IC101 33 I IC101 34 Fig 3 7 In normal condition the signal of ICIOI 40 is High...

Страница 20: ...re calibration is to be carried out Cassette out 1 When the casette is 1 Signal has not been detecte d The signal of CNIOI S remains When the alignment ejected the DSKCHG cassette ejection Check if Low level disk is ejected indicator does not the D detected arm moves light properly 2 Check if the disk motor I circuit board operates properly 3 Signal appearance must be confirmed with the sequence o...

Страница 21: ...omplete 1 ICI03 MC3470AP I When the value in both WCP Refer to 4 14 W and WCP M do not meet the specification the head is defective 2 When difference in value Refer to 5 7 between WCP W and WCP M is remarkably Big off set adjustment is incomplete Co Connect the drive under test to the conversion cable and set the DRIVE SELECT switch SIOI of the unit to 2 d Error check system disk is inserted into ...

Страница 22: ...it is double side Type the number of how many retry must be conducted when read error or write error occurs EX In case it is once Type the number of how many seek retry must be conducted when the error occurs EX In case no retry is desired Keying Display IlIl2l IRETURNI Minimum sector 1 sector ill IRETURNI Maxirnum sector 16 sector ill IRETURNI Sector size 256 bytes IRETURNI Single side or Double ...

Страница 23: ...rst pattern The test ends Test disk ready yes hit Return Pass count I In ward trkmin trkmax Track Out ward trkmax trkmin Track Read Test End I Total of Seek error otimes during 00160 times seek Seek eRe error 0 times Seek error 0 times 2 Total of Read error otimes during 02560 times read 10 DATA ADM missing 0 times 10 eRe error 0 times DATA eRe error 0 times Lost data error 0 times Byte data verif...

Страница 24: ...eady yes 0 hit Return Write Test Start Track End Write Test End Now You select pattern No 2 Hit any key after few seconds Test disk ready yes 0 hit Return Write Test Start Track End Write Test End 1 IRETURNI Now You select pattern NO 4 Enter hex data 1st Bytes QJOO RETURNI IRETURNI IRETURNI Enter hex data 2nd Bytes Test disk ready hit Return Write Test Start Track End Write Test End Test condition...

Страница 25: ...rst check RF out put lD data CRC error Off track chucking trouble Confirm head compliance Refer to wrong head compliance 5 3 chucking mechanism or radial alignment and TRK 00 sensor Refer to 5 4 WRITE 10 ADM missing No write function write circuit Confirm the waveform of RF output ERROR is out of order no formatting CNl07 l lD CRC error Off track wrong head compliance Confirm the radial alignment ...

Страница 26: ...MEMO 28 ...

Страница 27: ...hield plate with the three screws PSW2 6 x 6 Refer to Fig 4 1 c Read amplifier gain and offset adjustment Refer to 5 7 d Index phase adjustment Refer to 5 6 4 2 FRONT PANEL ASS Y REPLACEMENT 4 2 1 Removal a Remove the two screws PS2 6 x 10 from the bottom of the chassis ass y and then remove the front panel ass y Refer to Fig 4 2 4 2 2 Installation a Install the eject button and compression spring...

Страница 28: ... Panel Replacement 4 4 LED MOUNTED BOARD ASS V REPLACEMENT 4 4 1 Removal a Remove both the FC 9 FC 14 Mounted Board and shield plate Disconnect CN 102 connector Refer to Fig 4 4 a b Remove the front panel ass y Refer to 4 2 c Remove the LED Mounted Board ass y from the chassis ass y 4 4 2 Installation a Peel off remover from the cushion and set the LED Mounted Board as shown in Fig 4 4 b b Install...

Страница 29: ...lder not pad itselO of pad ass y lightly and insert pad ass y into the location on pad arm ass y Refer to Fig 4 6 a b Pull down the pad arm ass y and check if the pad is arranged in parallel with the head as shown in Fig 4 6 b 31 Main Cover Replacement c Perform the pad pressure adjustment Refer to 5 2 d Perform the head clearance adjustment Refer to 5 10 e Perform the HL arm height adjustment Ref...

Страница 30: ...sive force is not applied to the head arm and then remove the head load ass y Refer to Fig 4 8 a b 4 8 2 Installation and Adjustment a Manually set the machine into the Disk In mode Refer to Fig 4 9 a b Pass the harness of the head load ass y through the opening of the chassis Refer to Fig 4 8 a b c Fasten both the head load ass y and lug termi nal to the chassis with the two screws PS2 6 it 6 Ref...

Страница 31: ...ad ass y Refer to 4 8 h Remove the four screws PSW2 6 x 8 from the bottom of the chassis and then remove the cassette up ass y Refer to Fig 4 9 b aJ Stllllling to Disk In Modll bJ Cassette Up AsS y Replacement CillIJranCtl ClllaranCtl Sidll Platll LBftJ mf l I Sidll Platll RightJ 33 c dJ TDP VIEW of Cassstte UpAss y Positioning Pin eJ Fig_ 4 9 Cassette Up Ass y Replacement 2 Installation and Adjus...

Страница 32: ... cover Refer to 4 5 d Manually set the machine into the Disk In mode Refer to Fig 4 9 a IE e Remove the damper Refer to 4 7 _ f Remove the head load ass y Refer to 4 8 g Remove the cassette up ass y Refer to 4 9 h Remove the E ring E2 3 pull out both the WP and D Detection arms and remove the compression spring 3 59 09 0 from the chassis ass y Refer to Fig 4 10 E2 3 WPArm E2 3 D Detection Arm Fig ...

Страница 33: ...adjustment Refer to 5 4 i Perform the index phase adjustment Refer to 5 6 j Install the m in cover in place Refer to 4 5 k Install the front panel ass y in place Refer to 4 2 35 4 12 SENSOR MOUNTED BOARD REPLACE MENT 4 12 1 Removal a Connect the MFD Checker II move the head until it arrives at TRK 79 and then tum off the power switch Refer to Fig 2 1 b Remove both the FC 9 FCI4 Mounted Board and s...

Страница 34: ...b Compression Spring Rotary Knob I Stt pping Motor Coupling Ass y a 36 Fig 4 13 Stepping Motor SNS 1100A Coupling Ass y and Compression Spring Replacement j Turning the rotary knob remove the lead screw ass y DUring removal hold with the tweezers the ball bearing which hold the lead screw as shown in Fig 4 13 b I 4 13 2 Installation and Adjustment NOTE If the replacement can be made with lead scre...

Страница 35: ...ed in factory 4 14 1 Removal a Remove both the FC 9 FCI4 Mounted Board and shield plate Refer to 4 1 b Remove the front panel ass y Refer to 4 2 c Remove the main cover Refer to 4 5 d Manually set the machine into the Disk In mode Refer to Fig 4 9 a EEm e Remove the damper Refer to 4 7 Em f Remove the helJ d load ass y Refer to 4 8 g Remove the cassette up ass y Refer to 9 _ h Remove the screw PSW...

Страница 36: ...nut lock paint to the screw g Connect the head board to the head harness by four points with a soldering iron Refer to Fig 4 14 c h Connect the head board to the head harness by six points with a soldering iron Refer to Fig 4 14 d ED i Fasten head board and terminal shield plate with a screw PSW2 6 x 8 on the chassis bottom and then apply nut lock paint onto it NOTE The screw must not be tighten t...

Страница 37: ... knob clockwise or counter clockwise by hand Check if the gap measures 50 p m 5 scales on the meter of the lead screw eccentricity inspection tool or less 5 1 3 Adjustment a Attach the rotary knob onto the stepping motor shaft Reifer to Fig 4 13 a b Loosen with a hexagon wrench torque driver the two screws which fasten the coupling ass y c Pressing the coupling ass y to the lead screw fasten the s...

Страница 38: ...g is less than 9 5 g move the position toward B Do not change position C where the string is set Refer to Fig 5 2 c 5 3 HEAD COMPLIANCE Disassemble the following parts and then perform the measurment and adjustment a Main Cover Refer to 4 5 5 3 1 Tools and Measuring Equipment a Oscilloscope b MFD Checker II ED c Level Disk OR D46VA _ d Level Disk OR D46WA e Pad weight ED f e 2 mm Driver g Rotary K...

Страница 39: ...ckwise until it arrives at the clicking point move the head to TRK 02 and write EXT into the disk Em n Turn the rotary knob clockwise until it arrives at the clicking point move the head back to TRK 03 and check if the output signal level at that time is 5 or less of _ that obtained by item I b Weight Positioning e Pad ASoS y Rotation Fig 5 3 Head Complience 41 _ o Turn the rotary knob clockwise u...

Страница 40: ... to be set at 50 EX In case a relative humidity of 60 is keyed in 4 The initial value for the sp cified off track is to be set at 26 m EX In case an off track of 30 pm is keyed in insert the alignment disk and set the DRIVE SELECT switch Sl 01 to 4 Refer to Fig 2 2 d Execute the Set Up command Refer to 5 4 4 e Execute the Measurement command Refer to 5 4 5 f If adjustment is necessary the Adjustme...

Страница 41: ...gain by adjustment so that the peak values at both edges of the Cat s eye pat tern signal may range from 2 to 4 divisions Refer to Fig 5 4 a NOTE If gain adjustment cannot be done key in Q to execute step 9 Thereafter perform the radial alignment adjustment Refer to 54 6 3 Measure the off track _ 4 Calculate the off track NOTE When NO GOOD is indicated on the CRT key Q to execute step 9 Thereafter...

Страница 42: ...g at each clicking point until the Cat s eye pattern signal appears Turning the stepping motor with the geared driver within the range that the screw fastening the stepping motor is not dropped from the stepping moter flange set the amplitude ratio of the peak signals on the Cat s eye pattern signal at 1 1 2 or less NOTE A ratio of 1 1 2 is defmed by identifying the smaller one as unity NOTE 1f ad...

Страница 43: ...ut lock paint to it NOTE A ratio of 1 1 05 is dermed by identifying the smaller one as unity NOTE Unless the amplitude ratio is utmost 1 1 05 control does not advance the next step 7 Move the TRK 00 sensor board outside toward the stepping motor 8 Check if the TRK 00 sensor output level is within the range of broken Jines 3 5 V to 4 5 V If not set the level nearlest to the center between these bro...

Страница 44: ... the initial step in the Ad justment mode Thereafter key in ill and th n the same measurement item is executed again NOTE Check for the disk drive in accordance with COrull matlon items to the message displayed before retry ing the key in ill operation _ 5 5 STEPPING MOTOR LOAD TORQUE Disassemble the following parts and then perform the measurement and adjustment a FC 9 FC 14 Mounted Board Refer t...

Страница 45: ...ring Equipment a Oscilloscope b MFD Checker II Em c Level Disk OR D46VA Em d Level Disk OR D46WA e Adj rod 5 7 2 Measurement a Connect the disk drive to the MFD Checker II Refer to Fig 2 1 b Connect the os illoscope probe tip CH l to CNI07 1 built in the disk drive and other tip CH 2 to TP 5 of the MFD Checker II NOTE The vertical sensitivities are set at 0 2 V dlv on Cn l and at 2 V dlv on Cn 2 w...

Страница 46: ...e stop jittering at the pulse edge as far as possible by adjusting RV103 on the FC 14 Mounted Board with an adj rod tool _ b If the pulses are issued from side 0 or 1 at any interval other than 2 0 0 2 Jlsec set the pulse interval on both sides 0 and 1 at 2 0 0 2 Jlsec by adjusting RVI03 on the FC 9 Mounted Board with an adj rod tool c If adjstment of a and b above does not sat isfy the spec FC 9 ...

Страница 47: ...ble the following parts and then perform the adjustment I Main cover Refer to 4 5 2 Front panel ass y Refer to 4 2 Em 3 Damper Refer to 4 7 Em 4 Head load ass y Refer to 4 8 5 Cassette up ass y Refer to 4 9 6 Disk motor Refer to 4 11 7 WP arm D Detection arm Refer to 4 10 b Connect the disassembled disk motor board as shown in Fig 5 8 b Fig 58 b Motor Speed Adjustment 49 ...

Страница 48: ...L msec R8 150 kn o PULSE INTERVAL 100 0 R8 kn 150 1 5 x PULSEINTERVAL msec 100 R9 On NOTE Figures marked with are for a dlsk motor having the lot number of XXXX2 For detail refer to the circuit diagram and electrical parts llst o PULSE INTERVAL lOO O R9 kn 1 5 x 100 PULSEINTERVAL msec 4 R8 160 kn o PULSE INTERVAL 100 0 R8 kn 160 1 5 PULSEINTERVAL msec 100 R9 On iii When the motor speed is abnormal...

Страница 49: ...more than 2 V mora than 2 V NO FC 9 FC 14 Mounted Board II defective YES Dilk motor i defect Repeat the 6 8 3 Flowchart 5 8 a 51 Troubleshooting Flowchart ...

Страница 50: ...ing Flowchart FC 9 FC 14 Mounted Board i defective less than 50 mVp p Disk Motor circuit i defective Replace the R9 Refer to 6 8 3 d 1i Repeat the 6 8 3 Flowchart 5 8 b 52 Power off and check the resistanca _ lli r ...

Страница 51: ... is within 0 1 to 0 4 mm Refer to Fig 5 10 b 5 1 3 Adjustment Em a If the clearance is greater than 0 4 mm bend the HL Arm mounting plate down wards Refer to 5 10 a _ b If the clearance is less than 0 1 mm bend the HL Arm mounting plate upwards efer to FiE 5 10 a Em c If the clearance is out of the specified range turn the HL Arm adjusting screw until the clearance is in the specification Refer to...

Страница 52: ... U IJ l en en r 0 tJ 0 f 5 tJ z en r 0 12 0 I 0 en m Z 0 I 0 Z I J1 J1 I C Z r en en I 5 Q C r w en en en 0 n Q r 11 0 l Q r en en en 0 n Q r 0 l 9PSW2 6X6 I I J1 c I i PSW2 6 x 6 _ _ _ ...

Страница 53: ...ide Guide Shaft 20 4 601 008 03 Guide Retainer A 21 4 603 926 00 Guide Retainer C 22 4 601 009 03 WPArm 23 4 601 050 04 Blind Panel 24 4 601 098 00 Ball Bearing No Flange 2S 4 603 916 00 HC Harness Holder 26 4 603 924 00 Damper 27 4 603 925 02 Terminal Shield Plate 28 4 603 927 00 D Deteetion Arm 29 7 623 520 01 Lug 3 30 8 838 050 01 Disk Drive Motor BHC 210IA 31 A 8050 002 B LED Mounted Board Ass...

Страница 54: ...MEMO 0 0 0 0 0 _ 58 ...

Страница 55: ...______ I_ PI un J ger _____ _ _ _ _r 3 I A 8010 032 A I I I I Plungu I FRAME GND I 1 L __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 4 2 I I r I LED PC BOARD Assy I A 8050 002 B I I C I L __ _ _______________ 1 r I Mounted PCB Sensor I A 8050 001 A I I I SV CTR TR LCD I I I CNI03 Complete PCB FC 9 A 8051 042 A CNI09 I I 0 2 0 3 0 4 0 5 0 6 0 B 0 100 120 140 160 180 200 22 0 240 260 7 25 Odd Nol 0 ill C I 2 0 3...

Страница 56: ...NI06 tSY 8107 II BIOS IX CPUEIU _ _ ti TO OIU Sl COtLECTOR B174 J JX 61 Circuit Diagram till RIIS RII4 lSI ISK Circuit Diagram lye lIl I UK till 117 l ZK CNI08 8 1 1 II CNI07 FOI ChecklngJ 11 ANPOUT 4 NC 7 ND 5V 1 4 GND 2 f 4 GND 3 2V 4 f FI AHE iND t 1S9 In 100X 0 1 62 ...

Страница 57: ...DlIO IS1J48H h I Dill IS2J48H 4 SMA 2 rol 1 4 1 Pe rv 1 7 0 P 1 fV 5rfJ i fj Ws Q 1 6 lC 09 1 Z 0 flLf 4 A Q4 1 1 O W J 4 Vss riSV mv L_____J J SMA I IO r Dill ISlJ48H DI07 6 511B I roT o STEPPING Ilr tSf 1Sl 8H RI6Z CN102 I1OTOR I zzo fS6 1 LED 3 JI s J7 Z IVC IN USE WIP r 3 LED ff Z L _ J fff s96 r CHI04 NC 2 PLUNGER HEAD La4 L _ _ _ _ I 3 Pf J GER SOLENOID A 01 A Qt4 s lC1 atL I iiiS lzz _ RI6J...

Страница 58: ...I09 IC 106 D en r J 9 ICIOI ICI15 CD ICI02 el21 eln ICI II IC 108 ICI05 ICI12 J L I 1 8 0 Du L I_ _ _ _ _ _ _ _ J 0109 S101 CNloe CNI09 121 I 65 Parts Layout on FC 9 Pattern Side Ie 109 ICIII CI29 IC 108 R111 ICI05 RI17 ICI12 ClOI CI28 RI3e 26 2S CNI09 t t n 0103 z r g r 0102 0109 0101 rlC1D7 n z r R113 1 9 l J 1181 t _ E T RI82 Q1D6 QID7 40 t a Stt L L R177 CIDS r1 126 CI31 RI69 R i RI70 i R174 C...

Страница 59: ...C6 Ie 2 J 9 I 1O W 16Y ex 069A IJ RIl 20 L C4 r C7 O OW 0 DOIAd 2SA9j111 1f10 10K RI UK is HOLL SENS A4p ti US IOJ CNZ HI H 4 MOT WCOIl Ifl r v 7S0 _1 6 c Hz Lt h I LOGIC 7 t lro t B J T OIOu 1 z 4 g fJRIYE DJpr fJ HJ Z H C14 RD J IEBZO 1 CI 1O 6F 16 r RIJ I I 1 RI6 Jfl lOJIfjl6YXJ Ie3 TA 7Z4SBP QT c i T CJ ClI z kA Ia l O 047 J o T I R 17 mK r J 7 HI8 H SPI lOI ZO ZX r l r 14 I I t K 1 I I_I 1 I ...

Страница 60: ...t by the top of solder ing iron tip and slide the chip part aside when the solder is melted 2 Confum visually with care that there is no pattern peeling damage and or bridge where the part was removed or its surrounding 3 Presolder the pattern into thin where the part was removed 4 lace a new chip part onto the pattern and solder both sides CAUTION Do not use the chip part again once used 70 2 Tra...

Страница 61: ... 0 ELECT 47 20 16V 0109 8 719 912 25 lS2348HTD ClIO 1 163 03S 0 CERAMIC CHIP 0 047 50V 0110 8 719 912 25 lS2348HTD Clli 1 123 621 41 ELECT 10 20 2SV Dill 8 719 912 25 IS2348HTD C1l2 1 163 038 0 CERAMIC CHIP 0 1 25V 0112 8 719 912 25 lS2348HTD C1l3 1 l63 38 0 CERAMIC CHIP 0 1 2SV Din 8 719 981 01 ERA81 004 C1l4 1 l63 3S 0 CERAMIC CHIP 0 047 SOY 0114 8 719 105 64 RD4 3M B2 CHIP CllS 1 163 2S9 0 CERA...

Страница 62: ...R140 R141 R142 R143 R144 R145 R146 R147 R148 R149 R150 R15l R152 R153 R154 R155 R156 R157 R158 R159 R160 R161 R162 R163 R164 R165 R166 R167 R168 R169 R170 Rl71 Rl72 R173 R174 72 Description 1 216 065 00 METAL CHIP 4 7K 1 216 049 00 METAL CHIP 1K 1 216 041 00 METAL CHIP 470 1 216 041 00 METAL CHIP 470 1 216 049 00 METAL CHIP 1K 1 216 067 00 1 216 61 00 1 216 033 00 1 216 073 00 1 216 057 00 1 216 0...

Страница 63: ...OY 20 16V 20 16V 20 16V 20 16V 10 16V R4 R4 RS R6 R7 R8 R8 RIO R11 R11 R12 R12 R13 R14 R1S R16 R11 R18 R19 R20 R21 R22 R23 R23 R24 R2S R26 R27 73 Electric Parts List Description DIODES 8 719 815 55 lSlSSSTP 8 719 815 55 lSlSS5TP 8 719 150 23 RDS 1EB2T 8 719 150 21 RD4 7EB3T 8 719 902 90 PHOTO INTERRUPTOR SP1201 20 8 719 902 90 PHOTO INTERRUPTOR SP1201 20 ICS 8 7S9 700 Q8 IC NJM4SS8S 8 7S0 690 Q0 I...

Страница 64: ...I UI I I Ol I JJ b o o JJ z t en r o n o en Z z 0 c Z r o C w N 5 ...

Страница 65: ...d Load Ass y 17 1 454 2B9 21 Plunger Solenoid 18 4 601 017 00 HLArm 19 4 601 060 00 Compression Spring 20 3 659 609 00 Compression Spring 21 4 601 003 00 Slide Guide Shaft 22 4 6 1 00B 03 Guide Retainer A 23 4 603 926 00 Guide Retainer C 24 4 601 009 03 WPArm 25 4 601 050 04 Blind Panel 26 4 601 098 00 Ball Bearing No Flange 27 4 603 927 00 D Detection Arm 28 7 623 507 01 Lug 2 6 29 8 838 050 01 D...

Страница 66: ...MEMO 78 ...

Страница 67: ... 3 4 5 I 2 r i 1 HEAD ARM Assy _______ I_ G ND _ _ _ _ __t o I A 8010 028 A I R W S IO rI _ I _ I I R w Fi ni sh r_o X I I I Erase Siorl x a I Erose Finish L _______________________ J CNI08 OJ 2 0 3 3 0 4 0 2 I L r I HEAD LOAD Assy I A 8010 032 A I I L __________________ _4 I Plunger I I Plunger I I FRAME GND I 1 CNI02 CNI07 ill 10 2 0 3 0 4 0 5 0 r I LEO PC BOARD Assy I A 8050 002 B Iii I LE D I ...

Страница 68: ...e 6 CN 08 5V GNIJ 2 GND 3 ZV 4 RZ 46 ICIOS J V IU74 J JK CPU ro JIIZ COi ECTOH 81 Circuit Diagram KIJ4 ZZOWzwJ 0107 lS86Z4 1001 0 1 qrFRA Circuit Diagram CN 06 I ESTT 2 EFIN X Erase HEAD J ND 4 HFIN S HSTT H w HEAD llV 817 R176 tlU UII loll I I48 Ina 8124 Z ZK RIl9 47 82 CN 07 For Check ANP OUT ...

Страница 69: ...INDEX I L U ffi D E f I L___ _ CST IN s r _____ ____ TO_Ii_CIO_ _ j7 t RN __ __ L 13 x o fsr QIIl CNE U WRT PRT 6 B 18Z I t c XJ 4 711 r t I I r llxz i I r 11f 4 1 I Yor t I I I I I I L____ J J J IIJ I NC J I Vss iiIY till L _____ J 2 PLUNGERI r rb HEAD Law 4 3 Pf JNGER J SOLENOID ne 11 2 _ R16 J rf 1 J f QlAA n oJ DIU 40 lCI 4 J 4 jo lH J M 60 ff ls8624 ERA81 J 4 II Z D 026 t 2114 RD I N81 1a t16...

Страница 70: ...07 7 CNIDI I S102 11 RI6S RI23 L 1 TPI04 RI2S i i NO W RI37 In 10 0 C5i in en I CDr z L Rt31 1 11 l iiii 1 J illi i ICIIO J I jP10 1 RI55 rD 8 ICIO o o I _ _ C l 16 CIIS CI14 CIl2 ORI47 1 _ L C 13 0 n R146 CI24 R ISO ICI14 Een on J CJ z 0 n z CD n 0 c 1 20 D S en LIJ r a T i l1 li tD en 0 t o en 0 f C 0 RI6S L CID3 RID9 S g CD V nl07 Rl7l _ RI52 f f wn g 11clo7 RI6S 3 1 IC I09 ICIII CI29 R 9 L j R...

Страница 71: ...l parts list Disk Motor Circuit Diagram Ie3 TA 7259p r I I I I FG PRINTeO L 60 PIECES R4 I K RI8 ZX R7 4 7X PH SP 20 20 r I I I I I 1_1 I I I I CJ z I 1 1 ___________ R 5 6 Rlq ZX RIZ 20 RI 750 DJ RD I 1E82T PH Z SPI 20 20 r l r 14 I I I I i_i I 21 _l I L ___________J J 6X RIS II 1m 101 lc NJH 4 J58S I I JPH J 4 N7L SI41E A8 6 1 _ l41 X 1 RU lJ ZI I f DI l tfIJ CNZ MOTOR COiL 1110 03 IO IIF 16V tJ...

Страница 72: ...part by the top of solder ing iron tip and slide the chip part aside when the solder is melted 2 Confirm visually with care that there is no pattern peeling damage and or bridge where the part was removed or its surrounding 3 Presolder the pattern into thin where the part was removed 4 Place a new chip part onto the pattern and solder both sides CAUTION Do not use the chip part again once used 2 T...

Страница 73: ...0 CERAMIC CHIP 0 047 50Y 0110 8 719 912 25 lS2348HTD C111 1 123 621 41 ELECT 10 20 25Y 0111 8 719 912 25 lS2348HTD C112 1 163 038 00 CERAMIC CHIP 0 1 25Y 0112 8 719 912 25 IS2348HTD C113 1 163 038 00 CERAMIC CHIP 0 1 25Y 0113 8 719 981 01 ERA81 004 C114 1 163 035 00 CERAMIC CHIP 0 047 50Y 0114 8 719 10H4 RD4 3M B2 CHIP C115 1 163 259 00 CERAMIC CHIP 220PF 5 50Y C1l6 1 163 259 00 CERAMIC CHIP 220PF...

Страница 74: ...140 R141 R142 R143 R144 R145 R146 R147 R148 R149 R1S0 R151 R1S2 R154 R15S R156 R157 R158 R159 R160 R161 R162 R163 R164 R165 R166 R167 R168 R169 R170 R171 Rl72 R173 R174 R175 R176 92 1 216 065 O METAL CHIP 4 7K 1 216 049 00 METAL CHIP 1K 1 216 041 O METAL CHIP 470 1 216 041 O METAL CHIP 470 1 216 049 O METAL CHIP 1K 1 216 67 O METAL CHIP 5 6K 1 216 061 O METAL CHIP 3 3K 1 216 33 O METAL CHIP 220 1 ...

Страница 75: ... D1 D2 D3 D3 PHI PH2 IC1 IC2 IC3 IC3 Ql Q2 Q3 R1 R2 R2 R3 R3 R4 R4 RS R6 R7 R8 R8 RIO Rll Rll R12 R12 R13 R14 R1S R16 R17 R18 R19 R20 R21 R22 R23 R23 R24 R2S R26 R27 DIODES 8 719 81S SS lSlSSSTP 8 719 81S SS lSlSS5TP 8 719 1S0 23 RDS 1EB2T 8 719 1S0 21 RD4 7EB3T 8 719 902 90 PHOTO INTERRUPTOR SPI201 20 8 719 902 90 PHOTO INTERRUPTOR SPI201 20 ICS 8 7S9 700 08 IC NJM4SS8S 8 7S0 690 00 IC CX 069 8 7...

Страница 76: ...OP VIEW SCALE 4 11 ERAB1 Q04 SN74LS266N Til TTL 2 INPUT EXCLUSIVE NOR GATE WITH OPEN COLLECTOR OUTPUT TOP VJEW SN74LS423N Til TTL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR WITH DIRECT RESET TOP VIEW C UU NAL CA CITANCI PPA2003C NEC HIGH GAIN AMPLIFIER TOP VIEW 94 SK INPUTS OUTPUTS RoA8 0 o x x 0 I X I X 0 I X X 0 0 I O LOW LEVEL I 0 I n HIGH LEVEL I I I n l I X OON T CARE FOR OR C I 1000 tSt SK ouT ...

Страница 77: ...FIER SIDE VIEW AOUT A IN A IN 8 1111 8 IN SOUT CX069 CX069 SONY SIDE VIEW TC TIME CONSTANT I I I I I I I I I IN TIMI TI TIM our Tn GIG CO ST CONSTANT CONSTANT CONSTANT 95 MC3470AP MOTOROLA TOP VIEW NE592N MOTOROLA TOP VIEW INPUT 2 I N SELECT 3 l N SELECT 4 OUTPUT 2 7 AMP IN AMPUFIER INPUTS OFO OFFSET OECOOPUNG OC ONE SHOT COMPONENTS AMP OUT AMPUFIER OUTPVTS AOI ACTIVE OIFFERENTIATOR INPUTS OF OIFF...

Страница 78: ...Y y Fe i i I 1 0 0 LOW LEVEL I HIGH LEVEL INPUTS OUTPUTS Ro ABO 0 o x x 0 1 X 0 1 o 0 1 l O t L J O LOW LEVEL 1 JL L J 1 HIGH LEVEL o 1 fL X DONT CARE 96 SN74LS74AN Til TOP VIEW IIPC78L05A NEC INPUTS OUTPUTS D On t 00 1 o 1 X X 0 1 0 X X 1 o 0 x X 11 1 1 1 I 0 0 I O LOW LEVEL 1 HIGH LEVEL X DON r CARE 1 NONSTABLE POSITIVE VOLTAGE REGULATOR lOOmA pPCTSL 5V IlI C78L05 A M5l204L MITSUBISHII VOLTAGE C...

Страница 79: ...ITSU FLAT PACKAGE 4 BIT ONE CHIP MICROCOMPUTER TOP VIEW RO R3 RO PORT R4 R7 RI PORT R8 RII R2 PORT R12 RI R3 PORT KO K3 K PORT 00 03 OL PORT 04 07 OH PORT PO P3 P PORT sp p n TIMER COUNTER SC TO SERIAL SHIFT CLOCKITIMING OUTPUT S I SERIAL BUFF SO SERIAL BUFFER OUTPUT iRa INTERRUPT EXTAL XTAL FOR X TAL OR CLOCK INPUT RESET RESET INPUT 97 ...

Страница 80: ...MEMO o 00 98 ...

Страница 81: ... 99 ...

Страница 82: ...Sony Corporation 83K051G 1 975 131 1 1983 100 ...

Страница 83: ...be repared for necessary adjustment and final check 1 A for radial alignment adjustment measurement a SONY BASIC and our new ystem disk OR Dl14VA are required 2 A for final check a CP1M disk a CP1M disk and our new system disk OR D1l4VA are required The change of PIN for apDlicable disks are folln a ItaD PIN of orlalnal disk PIN of new disk a Aliganent disk m D47VA m 0123VA 8 960 009 32 8 960 010 ...

Страница 84: ... Max 20g d Dislta Level Disk J 604 163 0A 7 732 050 10 m OR D46VA 8 960 009 31 ED OR D46WA 8 960 009 40 Alignment Disk m OR D123VA 8 960 010 26 ED OR D47WA 8 960 009 40 Dynamic Inspection Disk 30 m OR D lVA 8 960 009 35 ED 0 D51WA 8 960 009 44 Dynamic Inspection Disk 30 m OR D52VA 8 960 009 36 ED OR D52WA 8 960 009 45 Cleaning Disk m OR D29VA S 960 o09 15 ED OR D29WA 8 960 009 39 e Expendable and ...

Страница 85: ...o 4 divisions and then read amplitude R in Fig 3 1 b Calculate the OFF TRACK value refering to Table 3 1 c and d in accordance with R in Fig 3 1 b Then obtain the humidity compensated OFF TRACK value from the following expression The compensated OFF TRACK value OFF TRACK value O 2 50 H 32 1 5s f33 5 0 Where H Relative humidity S Side ID number Side 0 0 Side 1 1 The compensated OFF TRACK value shou...

Страница 86: ... 28 7 29 1 29 6 30 1 30 5 31 0 31 4 31 8 32 2 32 7 9 33 1 33 5 33 9 34 3 34 7 35 0 35 4 35 8 36 1 36 5 e OA D32V 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 2 26 8 25 1 23 4 21 7 20 1 18 6 17 1 15 6 14 2 12 8 3 11 5 10 2 8 9 7 7 6 5 5 4 4 2 3 1 2 1 1 0 4 0 0 1 0 2 0 2 9 3 8 4 7 5 6 6 5 7 3 8 1 5 8 9 9 7 10 5 11 3 2 0 12 7 13 4 14 1 14 8 15 4 6 16 1 16 7 17 4 18 0 18 6 19 2 19 7 20 3 20 9 21 4 7 22 0 2...

Страница 87: ...N Display Floppy Disk Analysis v3 0 Copyright e 1981 Sep Test condition drive e Minimum track 0 Maximum track 79 Minimum sector 1 Maximum sector 16 Sector size 256 Single or Double side S Read Write retry 1 Seek Home retry 0 IDo you want to change these test conditions Y N To change any of test conditions Type the minimum track to be tested EX I IRETURN I Minimum track 0 track In case it is TRK 00...

Страница 88: ...many retry must be conducted when read error or write error occurs EX1 In case it is once Type the number of how many seek retry must be conducted when the errer occurs EX1 In case no retry is desired KeyIng Dlspley 8ingle side or Double side 8 D IRETURNI Read Write retry I times1 IRETURNI 8eek Home retry 0 times1 IRETURN I Command table r read test w write test I show disk condition s set test co...

Страница 89: ...2 Total of Read error 0 times during 02560 times read ID DATA ADM missing 0 times ID eRe en or 0 times DATA eRe error 0 times Lost data error 0 times Byte data verify Err 0 times 3 Total of Write error o times during 00000 times write ID ADM missing 0 times ID eRe error 0 times Lost data error 0 times Write Protect error 0 times Write Fault error 0 times 2 To write the data on a level disk IRE IUR...

Страница 90: ...TURN byte 10th bytes can be assigned The test ends 3 To display the tes t condition mIRETURNI 1 Teat disk ready yea hit Return Write Teat Start Track End Write Teat End 1 Now You select pattern No 1 I Hit any key after few seconds 1 Teat disk ready yes hit Return Write Teat Start Track End Write Teat End 1 Now You select pattern No 2 1 Hit any key after few seconds 1 Teat disk ready yea hit Return...

Страница 91: ...f irm the read circuit missing at first check RF output ID data CRC Off track chucking trouble Confirm head compliance Refer to error vrong head compliance 5 3 chucking mechanism or radial alignment and TRK 00 sensor Refer to 5 4 WRITE ERROR ID ADM missing No write function vrite Conf irm the waveform of RF output circuit is out of order CNl07 l no formatting ID cac error Off track wrong head comp...

Страница 92: ...s to be set at 50 EX In case a relative humidity of IIRETURNI 60 is keyed in c Eject the CP M Disk and then insert the SONY Disk Basic d Perform keyingl l I I and IRETURN e Eject the SONY Disk Basic and then insert TSE R Esystem disk f PerformkeYing l B I B andIRETURN g Connect the disk drive under test to the cable which leads to the AID con verter insert the alignment disk and set the DRIVE SELE...

Страница 93: ...l8nt Cc lamInd Function 1 Select the Keasurement command Insert the AligDlllent disk 2 Set the AID cOlIYerter gain by ad jU8tlllent so that the peak values at both edges of the Cat s eye pattern signal may range frOlll 2 to 4 divisions Refer to Fig 5 4 a IIote If gain adjustment cannot be done key in to execute tep 9 lbereafter perforill the radial aligDlllent adjultment Refer to 5 4 5 Kevlno Keyi...

Страница 94: ...ustment in accordance with 5 4 5 6 Check if the TRK 00 sensor output is satilfactory When NO GOOD is displayed on the CRT repeat step 5 7 Healure the off track MEASURING 8 Calculate and check the off CALCULATING track GOODI Bote When NO GOOD is displayed HIT RETURN KEY on the CRT key in EI to execute step 9 Thereafter perform ad SET DRIVE SELECT 4 justment in accordance with INSERT ALIGNMENT DISK ...

Страница 95: ...e as bl 2 nity Hote If adjustment of the stepping motor cannot be conducted by using the geared driver first find the appropriate position in accordance with the follow ing procedure and perform ad justment again cl I 1 When the waveform is as shown in Fig 5 4 b l and b 2 turn the geared driver clockwise 2 When the waveform is as shown in 1 Fig 5 4 c l and c 2 turn the geared driver counter 1 cloc...

Страница 96: ...the cen ter between these broken lines by adjustment and fasten the setscrew with nut lock paint Refer to Fig 5 4 e Hate When NO GOOD is displayed on the CRT repeat step 8 9 Measure the off track 10 Ca Iculate and check the off track 11 End the execution in the ad justment mode This contro1 returns to the main menu IRETURNI IRETURNI MEASURING CALCULATING Dlsplzsy ADJUST RADIAL ALIGNMENT MAX L R R ...

Страница 97: ... one of the following statements is also dis played 15 Statement 1 0 CONTINUE 1 RETRY Statement 2 RETURN FIRST STEP l RETRY Key in IQI when statement ill is displayed and then control advances the step to the next disregarding the error which has occurred Thereafter key in ill and then the same measurement item is executed again Key in IRETURNI when statement 2 is dis played and then control perfo...

Страница 98: ...Sony Corporation 84F0510 1 9 975 131 51 1984 16 ...

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