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Содержание MP-F17W

Страница 1: ... I fCR 0 FLO PP D JSX OR l IE Rev A 70112 SONY SERVICE MANUAL ...

Страница 2: ... MT Z MOUNTED BOARD REPLACEMENT 36 4 5 HALL IC ASS Y REPLACEMENT 36 4 6 CASSETTE HOLDER ASS Y REPLACEMENT 4 7 SLIDE PLATE ASS Y REPLACEMENT 37 37 4 8 00 SENSOR REPLACEMENT 38 4 9 HEAD CARRIAGE ASS Y REPLACEMENT 38 4 10 STEPPING MO R ASS Y RO R ASS Y AND STATOR ASS Y REP LACBMENT 39 4 11 OIL DAMPER REPLACEMENT 39 4 12 COMBINATION OF HEAD CARRIAGE ASS Y AND LG Z MOUNTED BOARD 40 SECT ON 5 CHECK AND ...

Страница 3: ...TABLE OF CONTENTS Description 7 3 OVER ALL DIAGRAM 6S 7 CIRaJIT DIAGRAM 66 7 5 PARTS LAYOUT 69 7 6 ELEcrRIC PARTS 71 SECTION 8 TRANSISTORS DIODES ICS PIN ARRANGEMENT 75 ...

Страница 4: ......

Страница 5: ...ry for maineenanc e SEc TION 3 provides fault diagnostic procedures that may require spare parts or some adjust ments 1 The overall check after removal and adjust ments will be included in mil section SECTION 4 and cover part replacements and adjustments respectively SECTION 6 and 7 consile of circuit diagrams ass y drawings and parts lilts ...

Страница 6: ...Trace 20KHz Universal Counter Resolution O lmsec d Disks KFD System Disk OR D176VA Cleaning Disk OR D29WA 8 969 920 54 8 960 009 39 This disk can be used for head clean HD Level disk OR D206WA Level Disk OR D46WA 8 969 920 11 8 960 009 40 These disks are used to check the read amplifier gain The self read write operation can be checked with these disks and the SHC System 4M Dynamic Inspection Disk...

Страница 7: ... onto one track o CHGRST Resets the DSKCHG signal for eject motor installed version eject the disk o INUSS This switch is used to light the INUSE lamp e HDSL Selects one of two heads side 0 or side 1 for a double sided This switch is invalid for single sided version o MON This is used to operate the Disk Motor e DRIVE SELECI Selects the disk drive The number of this DRIVE SELECI must agree with th...

Страница 8: ... WRTP RT and INDEX respectively The TRK 00 WRTPRT RDY HDSEN and DSKCHG indicators are lit when the respective IIF signals are low true The INDEX indicator blinks when the INDEX signal is applied to the board Track Position Indicates the current track poaition 2 3 Test Points TP l TP 8 TP 9 GND TP 2 MON TP 3 INDEX TP 4 RDDATA TP 5 WRTGT TP 6 WRTDT TP 7 srEP TP IO EXT TP ll TRG 3 Part Layout and Cir...

Страница 9: ...1 1 1 B INOEX o I P70r1 3 _S T E P____________________________________________________________li1 3 IC 1 2____ 1 r J P7111 4 0 1 II T N ____________________________________________________f 5 IC 1 2 __ L______ I 9 5V 10 SELECT1 11 t5V 12 SELECT2 31C11 15 E ECT P72 5V o IC15 ICB TPt1 TIIG r 1 GNo 14 5ELECT3 P73r Ls_ B LSOO LS244 P4012 iG iol IC1B LSOO TP2 9 f 15 GND P4 1 i3 wTF 1 3 7 ___ P42 4 WCP ...

Страница 10: ...switch to off for MP F 17W series U Z Indicators 01 02 These indicators are lit during the actual power supply of 5V and lZV to 34pin connector No indication for MP FI7W series o 03 04 These indicators are lit during actual power supply of 5V and lZV to IF board 52 53 Z 3 Test Points o RF out TRKOO GNO These test terminals are used for radial alignment adjustment Reier to 5 1 3 Part Layout and Cir...

Страница 11: ...Cl I ...

Страница 12: ...I es RUB 1 Q S lS211 n lS 1 20 STEP 21 GilD 20 STEP 21 GH 0 0 22 WRTPR e 21 G H 0 l n WRTOT lJ Gil 0 22 WRTOI I 23 G H 0 Itl SV 24 RO DATA f 23 G II 0 i 11 tM 1 4 1K 24 WRTGT 1t 25 G N0 24 WR1GT 25 It G N 0 t Z 2 II S 1 11 26 READY I 25 GH D I 11 aMI S u 26 TRK 0 26 TRK D 21 GilD r111 2 1 0 IV 27 G N 0 I 28 WRTPR 28 WRIPR 01 t2t d01ltUl u v 29 2V GHO TJ 1I r _ 1 M2 5 10It IV 29 Gil 0 I 30 RD DATA ...

Страница 13: ... TRK 00 Sensor adjustment 1 Digitizer configuration Refer to Fig 2 7 Digitizer Board IF Cable AID Harness 2 Part Layout and Circuit Diagram on Digi tizer Refer to Fig 2 8 2 9 Digitizer Board Fig 2 7 Digitizer Confirguration Fig 2 8 Part Layout on Digitizer 10 ...

Страница 14: ...4 _lsv__ _ IC t21 u D3 7 J5 081 PIS 32 I r 7 RV4 L _ _ _ _ l CK ISVO _ I 49 ISV D2 14 oB2 P S 33 1 _ I R24 2 U K R37 I CL T C23 0 I lY I f W2 Dli 13 DB P17 4 3 I t _ DC DC 2 1 100 25 CO vERTER h 11 12 13 14 15 16 7 AO 1 1 A1 118 f I 19 A2 SV fgJop so h 1 DO A 1Z DBO R3 6 8K R t I 34 SV __ I 1I 1 A 61 7 0 P6 p If 0 1 oJr J23 6 ___ 1 r r s l 2 I TP8 0 1 37 P26 P20121 L r LIS 3 I 5 L _ 3 6P25 P21 122...

Страница 15: ...his switch is used for Radial Alignment Adjustment Refer to 5 1 3 Part Layout and Circuit DiaBram on FG PCB Refer to Pig 2 11 2 12 ULoQ O Fig 2 10 Fixture 10 Configuration FGPCB Ie 1 NJM2903D AFG O j Fig 2 11 Part Layout on FG PCB 5V Fl R5 10K R2 10K R1 1K I o 0FG 5V Flo R3 10 K R4 47K Fig 2 12 FG PCB Circuit Diagram ...

Страница 16: ...ver on the acryl plate of Fixture IO and secure it with two screws as shown b Separate screw K2 6xIO knob from Index Adj lever waahers and rutall the lever itself on the acryl plate of Fixture IO and secure it with the screw washers and the knob as shown K2 X10 Index Adi Lever Washer4 TRKOO Adi L ever Fig 2 13 Index Adj and TRKOO Adj Levers Installation 14 ...

Страница 17: ...2 3 SYSTEM CONFIGURATIONS Level Disk OR 046WAJ HO Level Disk OR 0206WAJ 50 Auro Disk OR 0157WAJ MFO Function aJeckeT II Power Cable Fig 2 14 Configuration for Function Check 15 ...

Страница 18: ...0 evel Disk OR D46WAJ HD evel Disk fOR D206WAJ Dynamic Inspection Disk fOR D51WAIOR D52WAJ 2M Dynamic Insp8Ction Disk OR_D222WAIOR D223WAJ Fig 2 15 System Configuration for Drive Test _1 _ To DC Power Supply ...

Страница 19: ...To Monitor SMC 70 Conversion Cable 01 only for MP F17W 50D 50 A UTO Disk OR D 157WA RED TP 1 TP 2 Fig 2 16 System Configuration for Radial Alignment 17 ...

Страница 20: ... not readable move the head to the adjacent track in the same direction as before then return to the desired track and read If readable this time check radial alignment Refer to 5 1 If not readable yet the error is not recoverable 3 2 2 Write Brror To determine which of the disk or the drive fails the disk should be replaced by other disks and check that there still exist write error If write erro...

Страница 21: ...D Function Checker nand the DRIVE SELSer switch S101 on the disk drive are set as follows Function Disk drive Checker II S101 3 3 2 2 1 1 0 0 Otherwise these indicators go out 3 Stepping 1 When the srEP O T switch is pressed the head is continuously stepped out until it arrives at TRKOO When the head is located on TRKOO the TRKOO indicator lights 2 When the srep IN switch is pressed the head is co...

Страница 22: ...et the HOSL switch to side 1 5 The waveform in Fig 3 1 can be obtained on TRK40 1 The OSKCHG indicator lights when the 50 Auto disk is ejected 1 Set the SW16 switch to 500 250 side and then insert the HO Level disk Level disk 2 Set the HOSL switch to side O 3 Move head until it arrives at TRK79 4 When the WRITE switch is pressed and 12F 11F Mil or W are written the corresponding waveform can be ob...

Страница 23: ...own in Fig 3 3 can be obtained at TP 4 on MFD Function Checker II The waveform in Fig 3 3 shows the read data less than 2 45 sec less than 4 85 secl Fig 3 3 Waveform of RD Data 6 Set the HDSL switch to side 1 7 Repeat item 5 1 Eject the HD Level disk Level disk and then insert the 50 Auto disk 2 Return the CH 2 probe location of the TP 4 RDDATA on MFD Function Checker II to TP 3 QNDEX 3 Set the HD...

Страница 24: ...able 3 1 21 31 41 51 BI 71 81 91 9 10 Assuming the apparent OFF TRACK 4 5 H 60 and S O we can obtain the compensated OFF TRACK value as 2 589 from expression 1 This satisfy the formula 0 0 0 1 0 2 0 3 0 4 0 5 D B 0 7 D B 0 9 28 7 28 8 25 0 23 2 21 5 19 8 18 2 1B 7 15 2 13 7 12 3 10 9 9 B B 2 7 0 5 7 3 4 2 2 1 1 0 0 1 1 2 1 G 1 4 1 5 1 6 0 6 9 7 8 6 7 a 8 10 4 11 2 12 0 12 8 13 B 14 3 15 1 15 8 1B ...

Страница 25: ...K01 4 Set the TRACK 00 ADJUsr switcb to on 5 At l 6msec after triggered point the voltage of the r15mg waveform must be more tban l 6V and that of the falling waveform must be less than 0 6V as shown in Fig 3 5 2 6V Fig 3 5 TRKOO Sensor Level 23 ...

Страница 26: ...ring it is not smoothly motor itself step operation functioned 2 IClO3 The both signals of CNlO2 1 and CNI02 Z are High or Low level Motor Rotation 1 The disk motor does not 1 Disk motor drive ICl 12 is supplied dock rotate system 491KHZ IC 1 21 is supplied 5V The signal of ICl 7 is Low level 2 Sane I F indicators do 1 ItF signal circuit is not light defective 0 iRST 1 The DSKCHi indicator 1 ICI01...

Страница 27: ...rriage Ass y Refer to 4 9 1 The shifted peak value does not meet the specifi cation 1 The ratio of tbe left to right signals does not meet the specification or signal does not appear 1 1 2 Head Carriage Ass y Refer to 4 9 Radial alignment is incomplete R efer to 5 1 A seek error has occurred TRKOO Sensor level 1 The output signal does not meet the specifi 1 The TRKOO sensor positioning is im prope...

Страница 28: ...mmand table _ A_ e Set the 0 RIVE SELECT switch SI01 of the unit to most left side f Insert the CP M Disk into drive A g Turn on the power switch of SMC system A is displayed on screen h Set the MOTOR ON switch on IF Board 52 53 to ON and POWER SEL switch to OFF i Eject the CP M Disk and then insert the MFD System Disk j Perform keying J1ID m1Il and IRElURNI DisplaY TEST Condition Test Mode 1 0M 3...

Страница 29: ...table eyinl J llJ IRE1URNI i 2 IRE1URNI 27 Duolay Set Up Command F1 Change Mode F2 Change Tes t Track F3 Change Write Data Minimum tr ack 0 Maximum track 79 Minimum track 0 Max imum track Z9 TBST Cond i t i on Test Mode l OM 300rpm Tes t Tr ack o to 79 Command Table Fl Change Test Condition F2 F3 Read Tes t ll 4 Write Test Se t Up Command F1 Change Mode F2 Change Test Track F3 Change Write Data Da...

Страница 30: ...r IFZI key to start the f1 or W Read test Insert the Dynamic Inspection disk OR DHWA or OR D52WA and then hit RE1URNI key IRETURN I 28 DisplaY TEST Condition Test Mode Test Track Command Tab 1 e 1 0M 300rpm o to 79 Fl Change Test Condition PZ F3 Read Test F4 Write Test Read Test Pas s c ou n t 80 Track No 00 FI Sequential F2 Random Side F3 Set pass count P 5 Ex i t Select PI F5 Pas s count 0 Read ...

Страница 31: ...Ipzl Write test Insert the level disk OR D46WA and then hitiRETURNlkey The write test ends If the count number of error is 0 the write operation is ok Note If the I HELPI key is hit test result error track number side number and sector number will be displayed on the screen IRETURNI Displ y Test End hit Displ y TEST Cond i t i on Tes t Mode Tes t Tr ack Command Table any key 1 0M 300rpm o to 79 PI...

Страница 32: ...se it is 2 0M 300rpm 1hi control returns to command table f Inaert the CP1M Disk into drive A g Turn on thc power switch of SMC system A is displayed on scrcen h Set the MOTOR ON switch on IF Board 52 53 to ON and POWER SEL switch to OFF i Ej ec t the CP1M Disk and then insert the MFD System Disk j Perform keying rIlrIDlIDlII and IRETURNI DisplaY TEST Cond i t i on Tes t Mode Test Track 1 0M 300rp...

Страница 33: ...and table IRElURN I I1lfil IRElURN I DOola Se t Up Command Fl Change Mode FZ Change Test Track F3 Change Write Data Minimum tJ ack _0 Max imum tJ ack 79 Minimum track 0 Maximum track 19 TEST Cond i t i on Test Mode 2 0M 300rpm Test Track 0 to 79 COlllllland Tab I e Fl Change Test Condition F2 F3 Read Tes t F4 Write Test Se t Up Command Fl Change Mode F2 Change Test Track F3 Change Write Data Data ...

Страница 34: ... IFZI key to start the f or IFZI Read test Insert the Dynamic Inspection disk OR DZZZW A or OR D223W A and then hid RETURN Ikey IRE1URN 32 Display TEST Condition Tes t Mode Test Track Coamand Tab Ie Z OM 300rpm o to 79 Fl Change Test Condition F Z F3 Read Tes t F4 Write Test Read Tes t Pass count 80 Track No 00 Side 0 Fl Sequential FZ Random F3 Set pass count F 5 Ex i t Select Fl F5 Pass count Rea...

Страница 35: ...IF 21 Write tes t Insert the HD level disk OR D206WA and then hidRETURNlkey The write test ends If the count number of error is 0 the write operation is ok Note 1 the IHELPI key is hit test result error track number side number and sector number will be displayed on the screen IRElURNI Disola Test End hit Display TEST Condi tion Tes t Mode Tes t Tr ack Colnmand Tab 1e any key 2 0M 300rpm o to 79 F...

Страница 36: ... insertion is not detected 2 DC power is not supplied or a drive is not selected 34 COUNTBRMEASURB CONFlRMAnONIADJUSl METNTI Confirm the function of stepping motor circuit or stepping motor itself Confirm the read circuit check RF output at first Confirm head compliance Refer to 5 2 chucking mechanism or radial alignment and TRKOO sensor Refer to 5 1 Confirm the waveform of RF output Confirm the r...

Страница 37: ...ft sides with shaped screw driYer through the square hole ol upper cover and pull it slowly toward you Refer to Fig 4 2 c Dislocate the Bject Button from the hook of the slide plate 2 2 InstaJ1 ti_ a Hang the Eject Button to the hook of slide plate as shown Fig 4 2 b Install the Front Panel Ass into the metal frame by sliding in the hook located on e ch side of the Front Panel Ass c Make sure that...

Страница 38: ...T Z Mounted Board c Match the hole of the MT Z Mounted Board with the emboss of the challiJ all y d Install the Stator Yoke AII y on MT Z Mounted Board with four screw PZ 6z4 not to damage to iz motor coil for disk motor Refer to Pig 4 4 4 5 HALL IC ASS Y RE PLACEME NT 4 5 1 Removal a Remove the four screws PZ 6z4 securing the stator yoke ass y and then remove the stator yoke ass y Refer to Pig 4 ...

Страница 39: ...ront panel ass y and eject button Refer to 4 2 c Install the cover ass y Refer to 1 4 7 SLIDE PLATE ASS Y RE PLACEME NT 4 7 1 RaDo l a Remove the cover y Refer to 4 1 b Remove the front panel ass and eject button Refer to 4 2 c Remove the cassette holder ass Y Refer to 4 6 d Slide the criner arm to set the Disk In mode as shown in Fig 4 7 e Remove the one end of Tension Springs on chassis s y and ...

Страница 40: ...ect button Refer to 4 2 c Remove the cassette holder ass y Refer to 6 d Disconnect the connectors CNI05 and CNI06 flexible boards from the LG Z mounted board e Remove the screw P2 6x4 securing the Guide Retainer and then remove the Guide Retainer Head Carriage Ass y and Slide Guide Shaft Refer to Fig 4 9 4 9 Z InstallatiOD Note Apply Sony oil to the Guide Shaft before installation Apply Sony oil t...

Страница 41: ...e needle pin of head carriage ass y i Take the steel ball from the hole o chassis ass y 4 10 2 Iastallabon Note The stepping motor must be replaced with the whole ass y since the wrong com bination Rotor Ass y and Stator Ass y in the ass y causes th mulfunctton Note Apply Molykote Grease EM10L same quantity of match tip on whole area of lead screw and two steel balls before the installation a Inse...

Страница 42: ...not be mixed up otherwise tbe unit may not satisfy the original specification a High current type Marking on Head Cauiage AII y The letter must be ct in the first wording on the ass y Parts No A 8010 249 A Setting of SH101 If SHI01 is not shorted with soldering short SHI0l with a soldering As the result R178 3310 is connected in parallel to other resistors R155 R156 b Low curreny type 40 Marking o...

Страница 43: ...rive rn under test is set in the Fixture l0 and H pin connector and power connec tor arc connec ted to the drive hit the 1 key Note This will start the adjustment 4 Set POWER SEL switch to OFF IRE11JRNI side D 1 02 indicators do not light and then turn on the power b Connect the system as shown in Fig 2 16 c Insert the CP1M Disk into the SMC System d Turn on the power switch A is displayed on scre...

Страница 44: ...ad innerward EIlmove the head outerward Note If adjustment of the stepping motor cannot be conducted first find the appropriate position in accordance with the followings and perform the adjustment again U When the eat s eye pattern is similar to Fig 5 1 c or cD turn the Radial Alignment adj driver clockwise 2 When the eat s eye pattern is similar to Fig 5 1 e or 0 turn the Radial Alignment Adj dr...

Страница 45: ...pEessed 13 Tighten the two screws securing the stepping motor by the torque driver with the torque force of 3 5Kg cm IC in 14 The adjustment of TRKOO sensor IRETURNI levd is executed 15 The TRKOO senSOE levd is dis played Loose the screw secuEing the 00 SensoE and move the boaEd by the TRKOO Adj Lever so that the upper or lowel lines does not cross the red lines marked Refer to Fig 5 1 h i Tighten...

Страница 46: ...53 off and then on 19 The off track value of TRK 00 to 20 TRK79 is being measured and then the calculation is completed The maximum and minimum off track values are displayed If the adjustment is within the specification the CRT screen is changed to green color or If not the CRT screen is changed to red color IRETURNI IRETURN IRETURNI 21 To retry the adjustment hit RETURN I RETURN key or To ternim...

Страница 47: ...otor le l than 1V No 00 Ihorting pointl or A C Ilveral econdl 10 that ICP burna oue tt88l r 110ra than 2Y to tap 18 a more than 2V Yae Short 8 8 Ith a Jumper or soldering R ove a Jumpar or aoldaring bat an pointe of 8 8 La than 1Y mora thin 2V ...

Страница 48: ...al by setting the timing knob of oscilloscope to lOmsec Fig 5 2 Head Compliance Measurement f Take the Pad Weight and check if the out pUt signal level variation at between unloading and loading of the Pad Weight is 5 lor less of that obtained by item e 5 2 3 Adjustment a If the out put signal level does not meet item 5 2 2 f replace the head carriage ass y Refer to 4 9 5 3 INDEX PHASE Disassemble...

Страница 49: ...ring Equipmeat a Cleaning Disk OR D29WA b MID Function Checker II c Fixture l0 5 2 Cleaning with Cleaning Disk a Connect the drive to the MID Function Checker II Refer to Fig 2 14 b Move the head until it arrives at an unused track of the cleaning disk c Set the cleaning disk in plac e and hold it for about 10 seconds cleaning disk Thereafter eject the Note Do not use any scratched cleaning disk D...

Страница 50: ...P2 6 x 4 Nvlon Washer 2 6 20 PSW2 6x 5 r o n t o z ...

Страница 51: ...0 249 A Head Carriage A y Q Refer to Note 3 A 8010 253 A Stepping Hotor As Y A 80l0 233 A Cassette Holder Ass y 4 613 114 01 Tension Spring A 8010 234 A Slide Plate Ass y 4 613 132 01 Ten ion Spring A 8051 418 A LG 7L Mounted Board Refer to Note 3 A 8051 366 A MT 2 7A Mounted Board A 8080 291 A Hall Ie Ass y 8 759 404 25 DB6845S D X 4613 102 1 Stator Yoke Ass y 1 808 058 11 00 Sensor 4 606 001 11 ...

Страница 52: ...I I SIDE 0 _ _ _ _ I _ CO N O _ J 04 x 8 ERASE I _ I ro5 I I i _ 1 ERASE I a I I 1 I XIT CONI 2 I 1 GND SELECT GND SELECT2 GND MTON GND DIRC GND STEP GND WDATA GND WGATE GND TRKOO GND WPRT GNO RODATA GND HDSEL GND DSKCHG 5V GNO GND SIDE I ___ _ R IW _ _t o I RIW CNloa C I 3 30 1 0 NC 1 I I GND I I 234587891011121 I L ___________ L _ 1 1 I _ rH iC S Y I A 8080 291 A l 1 I 1 I I Ie DN6845S A L _____...

Страница 53: ...lY 1 28 m A O AII5 L I 27 iOi AI 07 I AI 09 __ 1 11 1 I I AII6 I AII7 AII8 I RII9 I RIZO I 25 iiiI 24 TiS 23iiiT U liiiT 2D Lg 18 15 11 _iT A I 9 33 T 2 CSfIlI AI 33 OJ CTii 35 L 3 EIIO I RI2 33 36 n 4 til A180 10 tII1H 5 eLI 56 IICI IC I lTON L 55 iiiiiS 7 GH8 cIa CIOI Cl09 8 N Ci ji ________________ r I O I O I I 0 Iu 9 Pi iii 10 5Y C 5Y CC m 11 5Y CI J 5Y CF1 oSY CI J o f _ _ 1___ 60 j m IZ GH8...

Страница 54: ......

Страница 55: ...6 5 PARTS LAYOUT 6 5 2 Parr Layout OD MT 2 7A 6 5 1 Parr Layout OD LG 2 7L CompODCDt Side COmpODeDt Side i Pattern Side _ o _1 _ III II 110 If PI o IM Il III fl ...

Страница 56: ...OV 11 125 1 216 o4S 00 KETAL CHIP 6S0 5 1 10 11 QI07 8 729 109 42 2SK94 X2 CHIP C1l8 1 163 129 00 CERAMIC CHIP 330PF 5 50V Rl26 1 216 073 00 METAL CHIP 10K S 1 10 11 QI08 8 729 109 42 2SK94 X2 CHIP CORBEC roI R127 1 216 o4S 00 METAL CHIP 680 5 1 10W QI09 8 729 109 42 2SK94 X2 CHIP C1l9 1 163 129 00 CERAMIC CHIP 330PF 5 SOV R128 1 216 085 00 METAL CHIP 33K 5 1 10 11 CN2 1 566 427 11 PIN CONNEC roll...

Страница 57: ...rn peeling damage and or bridge where the put was removed or its suuouDCling c Presolder the pattern into thin where the part was removed d Place a new chip part onto the pattern and solder both sides CAUTION Do not use the chip put again once used Soldtlring Iron 2 Transiator aad diode a Cut the leads of the semiconductor part to be removed with a cutter b Remove the each pin of semiconductor fro...

Страница 58: ...I I I 3 P2 6 4 f i J Nylon Washer 2 6 82 6 4 82 6 5 o n I o z g D ii I en z Or 0 en b O m 0 0 o I I 0 0 gz 0 I Z l oZ 80 b or 0 en I ...

Страница 59: ...3 01 X 4613 106 1 4613 104 1 A S030 493 A 4 613 121 01 3 701 42S 01 3 712 7S6 o1 7 621 255 35 7 621 2S9 25 7 621 77S 10 7 621 775 20 2 640 315 01 4 613 717 01 7 621 759 35 7 621 759 45 7 623 923 11 Desc ription Head Carriage Aaa y P Refer to Note 3 Bead Carriage Ass y Q Refer to Note 3 Stepping MOtor ASs y cas ette Bolder ASs y lension Spring Slide Plate Ass y lension Spring LG 2 7D Mounted Board ...

Страница 60: ... 8010 248 A I I or Head Carriage Ass y 0 I CN102 290 I GND 300 I ADDATA 310 GND A 8010 249 A I _ ERASE I 1 t X _ _ I ___C 0 N_ _____1 2 SIDED J GND 1 AIW I 2 I RIW 3 CON 0 4 X It_ ERASE I 5 I i I CN108 320 I HDSEl 330 GND 340 I DSKCHG I I 3 0 I lV OND OND SIDE1 RIW 3 RIW I 4 I I GND 5 L ___ _____ L _ D C I 3 4 0 INC _ J l 1 2 3 4 5 6 7 8 9 10 II Il l rH iC Ass y I A 8080 291 A I I 1 I Ie DN6845S A...

Страница 61: ...tIftfl _ _ lh j 2 _ _ tIftfl _ _ l1 I 1 SV iooL B SLI02 5Vf RI 2 RI O I 6 I Dcr RIl _ OO _ 5 9 moP PSIDI To 1 _ __ 5 3 trr _C3 I z__ 6 _l_ 19D_ I _ 54 no ICIOI CX81142Q RI10 58 13 S Y 59 R I n 10 1 2 STM2 40 7 S 1 _____________ R 17 IO _ ___ ICIO HAl342lAI1P II 19 0 81 11 ___ LW loo l B SLIDS 3 2 17 5Y Fl 37 ______________________________________________________ 0103 251 24 8 0101 2S1U 5 co a f r ...

Страница 62: ... I r 3 PG 21 5V Itl T I GNII E L D I RI 270 15 R2 R5 R4 R3 HEI O 70 10 O o 6 22 7 0 19 3 12 OSCI Sr 8 300 360 A ___ 51 1 i 15 51 52 53 D rM r FG FG C It 4 S 5 10 HE2 HE 10 f i 1 8 0 1 23 24 2S U 27 2 5 4 20 19 19 19 e fl ii f e ICI HAI3440HS i i i z 14 I 28 l R6 10 R1 7 9 22 82 0 22 C6 5V RI2 2 2 RI 2 2 R162 2 RI7 2 2 Rle 2 2 21 II 1 V 17 u lB i PJ f u 0 L Mct c I I It C to I ...

Страница 63: ... PARTS LAYOUT 7 5 1 Paru Layout on LG Z 70 Component Sidc Pattern Sidc 70 ...

Страница 64: ...METAL CaIP METAL CaIP METAL CaIP METAL CaIP METAL CaIP METAL CaIP METAL CHIP METAL CHIP METAL CHIP METAL CaIP METAL CUIP METAL CHIP METAL CHIP 15K 8 15K 39K 39K 56K 6 8K 6 8K 27K 22K lOOK 820 10K 180 47K 47lt lOOK S 1 10W S 1 10W 5 1 10W 5 1 10W 5 1 10101 5 1 10101 5 1 10W 5 1 10101 5 1 10W S 1 10101 5 1 10101 5 1 10W 5 1 10W 5 1 10101 5 1 10W 5 1 10101 5 1 10101 5 l lOW 5 1 10W 5 1 10W 5 l lOW 5 ...

Страница 65: ...ge and or bridge where the put was removed or its surrounding c Presolder the pattern into thin where the part was removed d Place a new chip parr onto the pattern and solder both sides CAUTION Do not usc the chip part again onCe used Soldtlring Iron 2 Transistor and diode a Cl t the leads of the semiconductor pace to be removed with a cuuer b Remove the each pin of semiconductor from the pattern ...

Страница 66: ...ECTION 8 TRANSISTORS I DIODES IICS PIN ARRANGEMENT 152835 TOP VIEW OTCl14EK TOP VIEW 1 1i _ v 76 1S2837 TOP VIEW HA 3 2 AMP TOP VIEW a I PUT a c 0 0 I 0 0 I 1 I HII v LEVEL HaJ Va LEVEL o LOW LEVEL LEVEL a Vee i OUTPUT 0 Ho Ho 0 0 Ho Ho 0 _ _ I r 77 ...

Страница 67: ...mode 31 PSV 0 Poww w mode 38 STl Y 0 St ___ MIect 3 STMZ 0 S conuol 2 00 STM1 0 S control 1 PWIlN 0 DOWIIf l l i I STPl t q i II H5I ElAO ETAI i EJC 0 5 All LDEN 0 H i J COR LL TIMER VoTCH STEP PULSE GENERATOR 1 rl TRACK I COUNTER GATE GATE 1 GE OR MOTOR CONT XJsxJs Js J EJCT WRITE 10 ERASE GATE TCH TCH GATE POW R SAVE r SEOUENCE l H CONT H LAICH Y f IN OUT I CONT j _XMOS 1 MOTOR CLOCK GENERATOR x...

Страница 68: ...WIN osel WIN 05C0uQIu1 CE ClR uo 0 0 I I I 0 0 0 U IN I I I I ECD 0 0 0 I l l o LOW LEVEL I HIGH LEVEL X e autOU v OUtDUI U OuIPllt fy ElectriC Cur Oettetion UPh U ftPIUt V I V lftOUt W lftIMtt W_ _ 79 INPUTS OUTPUTS u yo y w w U Y W 0 0 I I 0 I 0 Otton 0 0 I 0 I I Otton 0 0 I 0 0 I Otton I 0 I I 0 0 I 0 I Otton I I 0 I 0 0 Otton I I 0 I I 0 Otton 0 I 0 0 I I 0 0 I Otton 0 0 I 0 I 0 000 I 0 I 0 0 ...

Страница 69: ... The 00t lit of Ampllfier CIrt SIt to 10001 20D bv ClDllMCtiIll UIf bttwafl piftt _ _ _ lor R ConMct _ fDr WrIte Connect tIM an lID of RIhdJ lriIt Oft sw 1 ConNet tIP of he en sa O pen CoHector E CUfreM output ConnItt torfor Write CUff lftt Oft Connte Nlittor to 1 Write cur OIl1tll I pin WRITE CUR E T lit to t wn a D6n ScMtirr T fufteI WhlrtWRITE DATA from H 0 0 0 Wri c urnnt twi 01 I pift WIwfIWR...

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