Sharp MD-MS702 Service Manual Download

Page: 34 / 56

MD-MS701W/MS702

– 34 –

NOTES ON SCHEMATIC DIAGRAM can be found on page 30.

Figure 34 SCHEMATIC DIAGRAM (3/4)

P32 P33

P34

Figure 1 is contents to Serial No.712xxxxx.
Figure 2 is contents for change from Serial No.801xxxxx.

7
8

3 2 1

12 11 10

9 8 7 6 5 4 3 2 1

9
8
7
6
5
4
3
2
1

7
6
5
4
3
2
1

1
2
3
4

4
5
6

1
2
3

4
5
6

1
2
3
4
5

AUDIO AMP.

CONSTANT

CURRENT DRIVE

POWER DRIVE

IC821

IR3M09N

MIC IN

LINE

JACK PWB-A2

FLEXIBLE

PWB

FLEXIBLE

PWB

KEY FLEXIBLE

PWB UNIT

LCD

DRIVER

GND

P-MODE

C-MODE

ENTER

DISPLY

VOL DOWN

VOL UP

BASS

EDIT

REC

SKIP DOWN
SKIP UP

STOP
PLAY

LCD

CLOCK

AGND

LIHP

LOUT

RIHP

ROUT

DGND

VEE

VCC

DIN

OPTCNT

INPGCK

INPGIN

MCPGIN

R-CH

L-CH

RESET

RCAULT

PBAULT

PBMUTE

BEEP

AUDATA

AUSCLK

MCPGIN
INPGIN
INPGCK

OPTCNT
DIN

PBOPON

BEEP

PBLAT

RCLAT
RADAT
RACLK

ADPON
DAPON
DFCK
LRCK
BCLK
ADDATA
DADATA
EMPH1
EMPH0

RMDAT

DEM0

DEM1

RKEY
RPLAY

SCLK
STDO

MCLK
LRCK

STDI

PWAD
PWDA

PBAULT
BEEP

AUDATA
AUSCLK

RCAULT

PBMUTE
RESET

INPGIN

MCPGIN

DIN

OPTCNT

INPGCK
VCCMIC

VCC2.8X

VCC2.8

DGND

SDTI

CMODE

DEM1

DEM0

AOUTL

AOUTR

VCOM

AGND

VRDA

VRAD

AINR

VCMR

VCML

AINL

PWDA

PWAD

MCLK

LRCK

SCLK

SDTO

ROUT

LOUT

VCC

DGND

RIHP

LIHP

AGND

VEE

L-CH

R-CH

KEY

PLAY

DATA

PCNT1

EAOUT

GND

OUT

VCC

PWM

STATE

ROSC

OSC

VREF

EAIN–

EAIN+

OSCIN

OSCOUT

GND

VCC

OSCOUT

OSCIN

EAIN+

EAIN–

VREF

OSC

ROSC

STATE

PWM

VCC

OUT

GND

EAOUT

VCC

GND

OUT

VSS

VDD

RCPCNT

PCNT1

DSPDAT

DSPSCK

DSPSTB

HPLAY

HREC

RPLAY

PCNT2

PHOLD

PSLDCI

PSLINN

PSLDRY

PLVDCI

PLVINN

PLVDRY

MICOM2.5V

RESET

RCAULT

PBAULT

PBMUTE

BEEP

AUDATA

AUSCLK

ROUT

LOUT

VCC

DGND

RIHP

LIHP

AGND

VEE

C759 0.056

C761

1/6.3

C762

1/6.3

R756

27K

C756

0.68

R762

3.3K

R761

3.3K

R754

330K

R757 27K

C757 0.68

IC703

IR3R54N

AUDIO AMP.

C758

3.3/10

C755

0.01

C753

C754

R753 150K

L751

L752

C768

0.22/16

R752

RESET

RCAULT

PBAULT

PBMUTE

BEEP

AUDATA

AUSCLK

ROUT

LOUT

VCC

DGND

RIHP

LIHP

AGND

VEE

C760 0.027

C759 0.027

C761

1/6.3

C762

1/6.3

R756

27K

C756

0.68

R762

3.3K

R761

3.3K

R754

330K

R757 27K

C757 0.68

IC703

IR3R54N

AUDIO AMP.

C758

3.3/10

C755

0.01

C753

C754

R753 150K

L751

L752

C768

0.22/16

R752

Fig 1

Fig 2

D493

015Z5.1Y

L863

4.7

D861

RB491D

C863

1/10

C864

33/6.3

L171

D494

15AZ7.5Y

C774

CN451

CN482

C843

100P(CH)

C868

C865

1/10

L862

C869

33/6.3

POWER DRIVE

IC841

IR3M09N

L841

4.7

R844

15K

C848 1/6.3

R846

10K

C845 47P (CH)

C844

100P(CH)

R843

100K

C842

22P(CH)

R848

220K

R847 330K

R852 1.5M

R841

100K

C850 0.001

CN701

R849 33K

D822

RB521S30

R831

100K

C829 0.01

C823

100P(CH)

L821

4.7

R823

100K

R828

270K

R824

15K

C825

68P

(CH)

R829 33K

C828

1/6.3

R827 300K

R826

10K

R821 100K

C830

0.001

R832 3.3M

C822

39P

(CH)

C824

100P(CH)

C847 10/10

L842

C846

1/10

C827 3.3/10

D821 F1J2F

C826

1/10

L822

C821
220/4

C810

0.33/10

R811

180K

R810

180K

C172 33/6.3

C171 33/6.3

C866

1/10

D862

RB521S30

IC702

TK71345M

R878 100K

R874

470K

C878

3.3/10

R873

IC872

TC7W32FU

C877

10/6.3

IC871

S8327B30

C874 10/10

C872 1/6.3

Q871

NDS335N

C871

1/6.3

D873

1SS372

C873

C849

0.01

R851

100K

D842

RB521S30

D802

SB10015C

IC803

NDH831N

R482

18K

C481

0.1

R481

36K

C875

0.22/16

R877

100K

R876

100K

C880 0.01

C879

1/6.3

IC874

TC7S00FU

CHARGE DRIVER

R882

100K

R881

100K

R879 100K

R880 100K

R809
100K

D877

1SS360

IC804

RN4904

Q842

NDS335N

Q822

NDS335N

C881 1/6.3

D875

1SS378

IC875

TK71325M

R872
100K

Q872

DTC144 EE

Q873

2SJ305

IC873

S80827LN

Q401

2SA17457

R400

3.9K

R458
56K

R457

18K

R456

8.2K

R455

5.6K

R454

56K

R453

18K

R452

8.2K

R451

5.6K

R861

100K

D831

1SS372

C831

0.1

C832

0.1

D841 F1J2F

D871

RB491D

R875

100K

IC876

RN4904

R814

3.9K

R818

10K

R815

3.9K

C802

Q801

2SD1950

D801

015Z5.1Y

R816

1.2K

IC800

HN1C03FU

R801 680K

R819

270

C808 1/6.3

R808 39K

R807

27K

R806 680K

C807

0.1

R805

470K

C806

3.3/10

L801

C805

100/6.3

C804

1/6.3

IC801

HAT1025R

CONSTANT

CURRENT DRIVE

R804 100K

Q803

DTC144 EE

Q802

DTC144 EE

R803 100K

R802

390K

C803

0.1

IC805

UMD3N

D800

RB491D

L888

CORE

L887

CORE

R817

680

C760 0.027

C759

0.027

C761

1/6.3

C762

1/6.3

C702

10/6.3

R756

27K

R701 100

C756

0.68

R762

3.3K

R761

3.3K

R754

330K

R757

27K

C757 0.68

IC703

IR3R54N

AUDIO AMP.

IC701

IR3R54N

C703

0.01

R703

150K

C758

3.3/10

C755

0.01

C753

C701

10/6.3

R702 100

L771

C771

33/6.3

C772 33/6.3

C773

0.22/16

IC771

TK71225M

C775

0.01

L710

0.47

C710

0.1

C510

2.2

C509

2.2

R502

470

R501

470

C502 0.0022

C501 0.0022

C504

3.3/10

C506

0.001

C505

0.001

C503

3.3/10

L500

4.7

L772

4.7

C508 1/6.3

C500 10/6.3

IC501

AK4514VF

R500

4.7

C507

10/6.3

D492

015Z5.1Y

L491

4.7

C722

3.3/10

C721

3.3/10

C723

0.001

C735

0.001

C736

0.01

C451

0.001

C724

0.001

C731

0.22

R727

10K

R723

6.8K

R724 6.8K

C725 3.3/10

C727

Q721

2SC4213B

R725

100

R726

39K

R728

C726 3.3/10

R713

10K

Q711

RN1444A

R717

C712

100P

(CH)

C714

1/6.3

(CH)

R714

10K

C713

1/6.3

C711

100P

(CH)

C715

0.1

R715

100K

R716

100K

C734

0.1

C733

0.1

R720

8.2K

R719

8.2K

R712

5.6K

R711

5.6K

C754

R753 150K

L751

L752

C768

0.22/16

R752

C767

0.22/16

R751

R729

2.7K

R730

2.7K

TP721

C491

0.1

D491

015Z5.1Y

R504 20K

R503 20K

R767

R768

R766

R765

C751 0.082

C752 0.082

R492

L452

L454

L453

L457

L458

L456

J702

J703
HEADPHONE

J701

J801
DC IN

L702

L703

L713

L714

L704

L712

L711

X700K

TP810

TP762

TP763

TP764

TP765

TP766

TP767

TP768

TP769

TP770

TP771

TP772

TP773

TP774

TP775

TP776

TP777

TP778

TP779

TP780

TP783

TP784

TP785

TP787

TP781

TP761

TP561

TP562

TP563

TP564

TP565

TP566

TP567

TP568

TP569

TP570

TP571

TP572

TP573

TP574

TP575

TP576

TP577

TP578

TP579

TP580

TP581

TP582

TP584

TP585

TP586

TP588

TP789

TP790

TP791

TP792

TP793

TP590

TP591

TP592

TP593

TP453

TP452

TP451

TP461

TP454

TP464

TP455
TP456
TP457
TP458
TP459
TP460

TP462
TP463

TP481

TP482

TP483

TP487

TP486
TP485
TP484

TP729

TP712

TP713

TP711

TP714

TP703

TP705

TP708

TP701

TP709

TP704

TP702

TP707

TP722

TP723

TP724

TP725

TP726

TP 727

TP728

TP807
TP808
TP809

BATTERY
TERMINAL

EXT.BATTERY
TERMINAL

TP805

TP806

TP804

TP803

TP811

TP500

TP802

TP801

Summary of Contents for MD-MS702

Page 1: ...TIC DIAGRAM WIRING SIDE OF P W BOARD 32 WAVEFORMS OF CD CIRCUIT 43 TROUBLE SHOOTING 44 FUNCTION TABLE OF IC 47 PARTS GUIDE EXPLODED VIEW PACKING OF THE SET MD MS702 ONLY In the interests of user safety the set should be restored to its original condition and only parts identical to those specified should be used MD MS701W MD MS702 SERVICE MANUAL SHARP CORPORATION No S1806MDMS701W This document has...

Page 2: ...DAREN UTSÄTTAS FÖR OSYNLIG LASERSTRÅLNING SOM ÖVERSKRIDER GRÄNSEN FÖR LASERKLASS 1 CAUTION INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED AVOID EXPOSURE TO BEAM VARNING OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD OCH SPÄRRAR ÄR URKOPPLADE STRÅLEN ÄR FARLIG ADVARSEL USYNLIG LASERSTRÅLING NÅR DEKSEL ÅPNES OG SIKKERHEDSLÅS BRYTES UNNGÅ EKSPONERING FOR STRÅLEN VARO AVATTAESSA JA SUOJAL...

Page 3: ...inuous play Approx 5 hours Continuous play Approx 8 hours Continuous play Approx 13 hours FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT PLEASE REFER TO THE OPERATION MANUAL Dimensions Width 87 0 mm 3 7 16 Height 29 4 mm 1 3 16 Depth 81 5 mm 3 7 32 Weight MD MS701W 216 g 0 48 lbs with rechargeable battery MD MS702 219 g 0 49 lbs with rechargeable battery Input socket Line optical digital...

Page 4: ...o Recording Indicator 11 Disc Mode Indicator 12 Disc Name Indicator 13 Track Name Indicator 14 Remaining Recording Time Indicator 15 Total Track Number Display 16 Record Track Mark Button 17 Volume Name Select Buttons 18 Display Lowercase Characters Button 19 Character Button 20 Stop Power Off Charge Button OFF 21 Play Pause Button 22 Fast Reverse Fast Forward Recording Level Control Cursor Button...

Page 5: ...re performed some sounds may be skipped whilst cueing and reviewing A track number can be created in the middle of a track If there are scratches or dust on a MiniDisc the track numbers following that track will be increased by one MiniDiscs are recorded using a different system than is used for cassette tapes or DAT recordings Therefore the following conditions may be encountered depending on how...

Page 6: ...from a cool place to a warm place When the unit has condensation inside the disc signals cannot be read and the unit may not function properly If this happens remove the disc The condensation should evaporate in approximately 1 hour The unit will then function properly TROUBLESHOOTING If trouble occurs When this product is subjected to strong external interference mechanical shock excessive static...

Page 7: ...sc has not been loaded Load a disc PB DISC PROTECTED The disc is write protected You tried to record on a playback only disc Move the write protection knob back to its original position Replace it with a recordable disc POWER Improper power is being supplied Use one of the specified power sources SORRY Since a track number is currently being located or written to the unit cannot accept your comman...

Page 8: ...e los pasos 1 4 de la sección Grabación sincronizada 2 Press the button Pulse el botón To stop recording Press the OFF button If the unit is left alone after the recording has stopped the power will be turned off approximately 2 minutes later After recording Press the OFF button while in the stop mode To remove the MiniDisc Turn off the power and move the EJECT lever in the direc tion indicated by...

Page 9: ... stop mode If the unit is not operated for at least 2 minutes while in the stop mode the power will be turned off automatically To remove the MiniDisc Turn off the power and move the EJECT lever in the direction indicated by the arrow Para interrumpir la reproducción Pulse el botón durante la reproducción Para reanudar la reproducción pulse de nuevo el botón Para detener la reproducción Pulse el b...

Page 10: ...ed to the MD mecha nism the screw of the part to be fitted to the MD mechanism chassis it may contact the optical pickup resulting in malfunction 4 Whenrepairing paydueattentiontoelectrostaticcharges of IC REMOVAL PROCEDURE STEP FIGURE Bottom Cabinet Top Cabinet Center Cabinet Pull A1 x1 Ø1 4x2mm A1 x1 Ø1 4x2mm A1 x2 Ø1 4x2mm A1 x2 Ø1 4x2mm B1 x1 Ø1 4x2mm B1 x1 Ø1 4x2mm B1 x2 Ø1 4x2mm Figu re 10 1...

Page 11: ...the screw D1 x 2 pc 2 Remove the screw D2 x1 which connects the magnetic head to the head relay flex PWB and remove the soldering joint D3 x2 pcs Note Mount carefully so as not to damage the magnetic head D1 x2 Ø1 4x1 8mm D1 x1 Ø1 4x1 5mm Pickup Unit Magnetic Head Solder joint D3 x2 Figure 11 4 How to remove the lift motor See Fig 11 2 1 Remove the solder joint B1 x 2 of slide motor lead wire 2 Re...

Page 12: ...n jump test Continuous playback is performed error rate display jump test 5 RESULT 1 Mode The value adjusted in AUTO1 or MANUAL1 is indicated Execution in servo OFF state 6 RESULT 2 Mode The value adjusted in AUTO 2 or MANUAL 2 is indicated Adjustment value is changed manually error rate display jump test 7 TEST PLAY Mode Continuous playback from the specified address is performed 1 line 10 lines ...

Page 13: ...isplayed If the VOL UP button is pressed during setting indication the setting increases If the VOL DOWN button is pressed the setting reduces And then the new setting is stored in the RAM When the VOL UP DOWN button is held down the setting changes continuously one cycle being 100 ms If the STOP button is pressed during RESULT1 menu or measurement value indication or set value indication the stat...

Page 14: ...ection Selection of sound volume BASS etc is possible without indication Recording is also possible 11 Error data display Mode Reversing when SKIP DOWN button is pressed When the STOP button is pressed while the error data indication menu appears or during error data indication the mode changes to the TEST mode stop state Error data 0 is the latest error Error which occurred in the TEST mode is al...

Page 15: ...e Setting Method 11 Set according to the E2 PROM DATA LIST 12 Press the Stop button T E S T 13 Press the Stop button 14 After data is written in E2 PROM turn off power 15 Restore protection of E2 PROM Disconnect connection made in Step 2 above E2 PROM IC402 writing procedure 1 Procedure to replace E2 PROM and write initial value of microcomputer in E2 PROM 2 Temperature reference setting method 1 ...

Page 16: ... C Determining the temperature correction value Temperature detection characteristics formula Ambient temperature o C 2 876 x TEMP input AD value 463 Hence TEMP input AD value 463 Ambient temperature 2 876 The reference temperature 23 6o C is taken as a reference it is taken as 0 Whenever the input AD value changes by 1 temperature is determined For temperature correction the input AD value is inv...

Page 17: ...6 H I N 1 _ D 4 H I N 2 _ 6 7 H C T R _ 6 D H C T 2 _ 1 4 H C T 3 _ 0 3 H C T 4 _ 6 4 H C T 5 _ 7 4 H C T 6 _ 0 8 H C T 7 _ 0 0 H S P M _ 0 0 H M S L _ 8 0 H R S L _ 0 0 H BASS setting Item display Set values B S 1 _ 0 2 H B S 2 _ A 4 H B S 3 _ C 4 H Item display Set values F G _ _ 6 3 H F F 1 _ 7 0 H F F 2 _ F 0 H F Z H _ E D H F L n _ 0 9 H D J G _ 1 4 H F R V _ 0 0 H F P f _ 8 8 H F L V _ 1 9 H...

Page 18: ...DOWN SKIP DOWN SKIP UP When the STOP button is pressed in specific menu the TEST MODE STOP state is set Preautomatic Adjustment menu Preadjustment error adjustment value output During preadjustment adjustment Adjustment error Normal end Preadjustment normal end adjustment value output During ATT automatic adjustment PLAY PLAY A U T O 1 Preautomatic Adjustment A D J O K A D J N G A T 2 A T 1 When t...

Page 19: ...entative measurement Measurement value E signal offset EINO tentative measurement Measurement value F signal offset FINO tentative measurement Measurement value Laser On Play Power RF side focus gain coarse adjustment Gain setting A ATT focus tentative setting ATT setting B ATT focus tentative setting ATT setting RF side pit section tracking gain adjustment Gain setting Pit section adjustment COUT...

Page 20: ...n laser ON state without disc the laser power is changed as follows when the BASS key is pressed L O N M Play power Max power BASS BASS BASS Record power RF side focus gain coarse adjustment A ATT focus tentative setting B ATT focus tentative setting ABMXO measurement value display REPEAT mark lighting R F g S a S b A B DISP DISP In the setting display sate the value of selected digit changes in t...

Page 21: ...is started when the P MODE key is pressed in continuous playback state In laser ON state without disc the laser power is changed as follows if the BASS key is pressed record playback machine only L O N M Play power Max power BASS BASS BASS Record power P MODE P MODE P MODE In the specific setting display state the setting change digit changes when the P MODE key is pressed 1st digit initial value ...

Page 22: ...tting S gain High B signal offset measurement value setting S gain High E signal offset measurement value setting S gain High F signal offset measurement value setting S gain Low A signal offset measurement value setting S gain Low B signal offset measurement value setting S gain Low E signal offset measurement value setting S gain Low F signal offset measurement value setting TCRS signal offset m...

Page 23: ...ck groove section Address High reflection pit section B ATT focus setting High reflection groovesection B ATT focus setting ATT setting P MODE S Q A P H B L B When the STOP button is pressed in specific menu the TEST MODE STOP state is set In the start address set state the start address changes as follows when the DISP key is pressed 0 0 5 0 H initial value 0 3 C 0 H 0 7 0 0 H 0 8 A 0 H A d 0 0 5...

Page 24: ... DOWN key is pressed In the continuous record state and start address set state the record laser power changes in t he range of 0h to Fh when the VOL UP DOWN key is pressed A d 0 0 5 0 1st digit initial value 2nd digit 3rd digit A d 0 0 5 0 BASS A d 0 0 5 0 BASS BASS INNER switch position measurement menu Continuous playback pit section Address PLAY I N N E R Inner Switch Position Measurement S Q ...

Page 25: ...WN E 5 SKIP UP SKIP DOWN E 6 SKIP UP SKIP DOWN E 7 SKIP UP SKIP DOWN E 8 SKIP UP SKIP DOWN E 9 SKIP UP SKIP DOWN Error history clear Error history display When the STOP button is pressed in specific menu the TEST MODE STOP state is set EEPROM setting menu Focus setting menu Spin setting menu Tracking setting menu Sled setting menu BASS setting menu TEMP setting menu Adjustment setting menu Digital...

Page 26: ...WN Spin setting menu Spin system loop filter gain constant setting until servo is turned on setting Spin system loop filter again constant setting after servo is turned on internal periphery setting Spin system loop filter gain constant setting after servo is turned on center setting Spin system loop filter gain constant setting after servo is turned on externalperiphery setting Spin system loop f...

Page 27: ... when the VOL UP DOWN key is pressed The upper limit varies depending on the items S C o SKIP UP SKIP DOWN S C t SKIP UP SKIP DOWN S C m SKIP UP SKIP DOWN D B O SKIP UP SKIP DOWN C L p SKIP UP SKIP DOWN C L r SKIP UP SKIP DOWN W T m SKIP UP SKIP DOWN Slide setting menu Slide system loop filter gain constant setting setting Slide system filter specific constant 2 setting setting Slide drive PWM dut...

Page 28: ...eflection pit section Digital EQ tap factor B C setting High reflection pit section Autolevel slicer gain setting High reflection pit section Autolevel slicer slice level offset setting Lows reflection pit section Digital EQ tap factor A D setting Low reflection groove section digital EQ tap factor A D setting Lows reflection pit section Digital EQ tap factor B C setting Low reflection pit section...

Page 29: ... machine C T 0 C T 1 SKIP UP SKIP DOWN P W L SKIP UP SKIP DOWN R C 0 SKIP UP SKIP DOWN R C 1 SKIP UP SKIP DOWN S Y C SKIP UP SKIP DOWN D R 1 SKIP UP SKIP DOWN D R 2 SKIP UP SKIP DOWN I N 1 SKIP UP SKIP DOWN I N 2 SKIP UP SKIP DOWN I N R SKIP UP SKIP DOWN C T 2 SKIP UP SKIP DOWN C T 3 SKIP UP SKIP DOWN C T 4 SKIP UP SKIP DOWN C T 5 SKIP UP SKIP DOWN C T 6 SKIP UP SKIP DOWN Continued to the next pag...

Page 30: ...itor without such a symbol is microfarad As to electro lytic capacitor the expression capacitance withstand volt age is used CH TH RH UJ Temperature compensation ML Mylar type The indicated voltage in each section is the one measured by Digital Multimeter between such a section and the chas sis with no signal given Parts marked with are important for maintaining the safety of the set Be sure to re...

Page 31: ...C VEE IR3R54N AUDIO AMP VCC VEE 6 8 DC IN RIPPLE FILTER DIGITAL INPUT OPTICAL INPUT UNIT LINE INPUT LINE OUT MIC IN HEAD PHONES 4 5V REGULATOR ON OFF REMOTE CONTROL POWER SELECT N ch MOS FET 3V DC DCONVERTER BATTERY VOLTAGE REGULATOR CONSTANT CURRENT DRIVE RECHARGEABLE BATTERY OPIC POWER SELECT CHARGE DRIVER VCC 2 8 2 5 F IC901 2 5 LB1638 IC651 2 5 2 2 2 5 2 5 2 5 2 5 2 5 74ACT02 IC351 IC101 IC601...

Page 32: ...CNT1 RAA10 ACRCER PLCK SYRS FEMON DADATA ADDATA DFCK BCLK LRCK DGND VDD3 DOUT DIN X1O X1I VPD VXI ADPON DAPON OPTCNT DCNT1 EMPH1 LDCNT2 X700KO TOTMON TEMON SBCK SBO SBSY SFSY FOK SENSE COUT MCCK DINTX RSTX SYSD0 SYSD1 SYSD2 SYSD3 SYSD4 SYSD5 SYSD6 SYRDX SYWRX VBAT WBI TEST1 TEST0 FODRR FODRF TEST2 X176KO X176KO TRDRF TRDRR SLDRF SLDRR SPDRF SPDRR TCG AGND AIN FIN EIN BIN DGND VDD1 VDD1 DGND EFMI A...

Page 33: ...RF TEST2 X176KO X176KO TRDRF TRDRR SLDRF SLDRR SPDRF SPDRR TCG AGND AIN FIN EIN BIN DGND VDD1 VDD1 DGND EFMI AVCC DGND VDD1 RAD0 RAD1 RAWEX RARASX RAA9 DGND VDD2 RAD3 RAD2 RACASX RAOEX RAA8 RAA7 RAA6 RAA5 RAA4 RAA0 RAA1 RAA2 RAA3 TCRS EFMO I O1 I O2 WE RAS A9 A0 A1 A2 A3 VCC A4 A5 A6 A7 A8 OE CAS I O3 I O4 GND EAIN DB EAIN VRE GND EAO RMDAT OPICGA RFLAT RACLK RADAT PBLAT RCLAT PBOPON PLVDRY PLVDCI...

Page 34: ... CH L821 4 7 R823 100K R828 270K R824 15K C825 68P CH R829 33K C828 1 6 3 R827 300K R826 10K R821 100K C830 0 001 R832 3 3M C822 39P CH C824 100P CH C847 10 10 L842 10 C846 1 10 C827 3 3 10 D821 F1J2F C826 1 10 L822 10 C821 220 4 C810 0 33 10 R811 180K R810 180K C172 33 6 3 C171 33 6 3 C866 1 10 D862 RB521S30 IC702 TK71345M R878 100K R874 470K C878 3 3 10 R873 1K IC872 TC7W32FU C877 10 6 3 IC871 S...

Page 35: ...3 32 31 50 49 48 47 46 45 44 43 42 41 PIN NO VOLTAGE IC401 PIN NO VOLTAGE 51 64 63 62 61 60 59 58 57 56 55 54 53 52 68 67 66 65 69 80 79 78 77 76 75 74 73 72 71 70 90 89 88 87 86 85 84 83 82 81 100 99 98 97 96 95 94 93 92 91 9 8 7 6 5 4 3 2 1 20 19 18 17 16 15 14 13 12 11 10 PIN NO VOLTAGE IC202 5 4 3 2 1 PIN NO VOLTAGE IC404 2 5V 2 5V 0V 0V 4 3 2 1 PIN NO VOLTAGE IC431 1 0V 1 2V 1 1V 0V 1 1V 1 2V...

Page 36: ...444 R204 C203 R207 R442 C443 C441 R411 C442 R443 R412 R414 R413 R203 L204 C171 IC404 IC441 D201 1 1 1 1 1 1 1 1 1 5 10 15 18 19 20 25 30 35 36 7 5 10 8 14 5 6 10 1 1 3 4 6 1 1 3 4 6 4 5 8 4 5 8 6 7 12 1 2 3 4 6 7 12 3 4 5 4 8 5 4 5 8 3 4 5 1 25 26 1 5 10 11 15 20 30 35 45 40 50 51 75 76 80 85 90 95 70 65 60 55 100 20 15 10 5 Q401 R400 IC402 C848 L886 R861 C886 C866 D862 IC702 R847 C845 C849 D842 R...

Page 37: ...79 R877 L863 C827 C831 D831 IC871 C872 IC872 L888 L887 C802 R458 R456 R457 R105 R482 R816 R873 R874 SW401 EJECT 1 1 22 22 FROM PICKUP FLEXIBLE PWB P42 1 D 1 1 33 33 FROM AUDIO FLEXIBLE PWB 254 P39 9 H P41 9 H 1 14 FROM KEY FLEXIBLE PWB 231 P42 5 F 1 1 16 16 FROM MECHA FLEXIBLE PWB 8 P42 6 C 1 1 7 7 FROM LCD FLEXIBLE PWB P42 4 H SW402 HOLD 17 9 18 16 2 MAIN PWB A1 BOTTOM 15 14 EXT BATTERY TERMINAL ...

Page 38: ...711 D494 C713 D492 R492 L703 L704 C703 R701 R713 C711 R703 L714 C726 R729 C721 R730 C722 C736 R724 R728 R727 C775 IC771 C774 C773 L771 C772 C734 C725 C731 L710 C710 C733 R503 R502 IC701 R702 R717 C702 C771 R711 R712 R719 R720 C701 C503 C504 R504 L500 R501 C509 C510 R715 C715 C508 C502 C501 C507 C759 C500 1 1 1 12 13 24 12 13 24 12 13 24 R500 R754 L752 C768 R752 C757 C756 R762 IC501 IC703 C755 R714...

Page 39: ...25 R726 C727 C735 Q721 L772 B TP701 TP728 TP727 TP723 TP724 TP729 TP722 TP721 TP725 TP726 TP702 TP592 TP591 TP709 TP708 TP707 TP585 TP586 TP588 TP590 TP714 TP704 TP703 TP705 TP713TP712 TP593 TP711 TP500 TP576 TP581 TP580 TP578 TP575 TP584 TP582 TP579 TP577 TP574 TP573 TP572 TP571 TP570 TP569 TP568 TP567 TP566 TP565 TP564 TP563 1 1 33 TP562 TP561 Figure 39 is contents to Serial No 712xxxxx ...

Page 40: ...713 D492 R492 L703 L704 C703 R701 R713 C711 R703 L714 C726 R729 C721 R730 C722 C736 R724 R728 R727 C775 IC771 C774 C773 L771 C772 C734 C725 C731 L710 C710 C733 R503 R502 IC701 R702 R717 C702 C771 R711 R712 R719 R720 C701 C503 C504 R504 L500 R501 C509 C510 R715 C715 C508 C502 C501 C507 C759 C760 C500 1 1 1 12 13 24 12 13 24 12 13 24 R500 R754 L752 C768 R752 C757 C756 R762 IC501 IC703 C755 R714 C753...

Page 41: ...6 C727 C735 Q721 L772 TP701 TP728 TP727 TP723 TP724 TP729 TP722 TP721 TP725 TP726 TP702 TP592 TP591 TP709 TP708 TP707 TP585 TP586 TP588 TP590 TP714 TP704 TP703 TP705 TP713TP712 TP593 TP711 TP500 TP576 TP581 TP580 TP578 TP575 TP584 TP582 TP579 TP577 TP574 TP573 TP572 TP571 TP570 TP569 TP568 TP567 TP566 TP565 TP564 TP563 1 1 33 TP562 TP561 Figure 41 is contents for change from Serial No 801xxxxx ...

Page 42: ... G PICKUP UNIT 15 M902 SLED MOTOR M901 SPINDLE MOTOR M903 LIFT MOTOR SW902 DISC PROTECT MECHA FLEXIBLE PWB UNIT 8 MAGNETIC HEAD FLEXIBLE PWB 23 MAGNETIC HEAD 32 KEY FLEXIBLE PWB UNIT 231 CN101 BK RD SW901 DISC IN TO MAIN PWB P37 10 D CN601 TO MAIN PWB P37 8 D CN451 TO MAIN PWB P37 12 D LCD 232 CN482 ...

Page 43: ...ngth Smoothiing OFF BW FULL CH1 0 000V CH2 0 00V Main 4K Zoom 4K CH3 0 000V CH4 0 0V Trigger Mode NORMAL Type EDGE CH1 Detay 0 0ns Hold OFF MINIMUM T CK110 HPFO CK108 WBO Stopped CH1 500mV DC 10 1 20us div 20us div CH2 2V DC 10 1 1 2 ENV 16 17 FULL 20MHz Bandwidth ON Smooth OFF 1994 12 18 09 26 46 Filter Offset Record Length Smoothiing OFF BW FULL CH1 0 00V CH2 0 00V Main 10K Zoom 10K CH3 0 00V CH...

Page 44: ...the bare hand Is the power supply turned on when the remote control button or main unit button is pressed No Perform the check stated in item Power is not turned on when the PLAY button is pressed Perform the check stated in item Abnormal display No Yes Does the display operate normally Is playback state set Yes Perform the check stated in item Playback state connot be set No Is audio output norma...

Page 45: ...h reflection disc playback Yes Check between IC401 and CNS482 No Check the periphery of IC401 Does the playback time display advance Yes Position check in INNER mode Check IC201 and IC202 connection line Is the lead in photointerrupter set to OFF when the optical pickup moves to the innermost periphery in NORMAL mode Is TP660 in H level Check the lead in photointerrupter mechanical flex PWB solder...

Page 46: ...eck whether disc is record inhibited No Does the RF waveform of TP201 appear when playback is Does level of pins 34 of IC401 and pin 17 of IC101 change depending on record and playback Is RF pattern output from IC201 pin 50 Yes No Check for soldering failure of IC201 No Check periphery of IC401 and IC101 Check whether there is any damage in IC101 periphery of laser diode Yes Check for defects of I...

Page 47: ...31 ANI6 TEMP Input Ambient temperature detection input 32 ANI7 CNTRY Intput Product destination ID input 33 AVSS AVSS Intput A D converter ground potential 34 ANO0 LDVAR Output P U laser power set output 35 ANO1 MDOUT Output Internal motion mode output 36 AVREF1 AVREF1 Output D A converter reference voltage input 37 P70 SYWR Output System LSI write enable output 38 P71 SYRD Output System LSI read ...

Page 48: ... EPCS Output EEPROM chip selection output 81 VDD VDD Output Positive power supply 82 T15 SPIN Inout Spindle motor FG pulse detection input 83 P101 P101 Output Spare for sled motor control 84 P102 TEST0 Input Test mode setting input 0 85 P103 TEST1 Input Test mode setting input 1 86 P30 PSLINN Output Built in battery power selection output 87 P31 PSLDCI Output DC jack power selection output 88 P32 ...

Page 49: ...r type VC MF Cylindrical type without lead wire VC MN Cylindrical type without lead wire VC TV Square type without lead wire VC TQ Square type without lead wire VC CY Square type without lead wire VC CZ Square type without lead wire VC J The 13th character represents capacity difference J 5 K 10 M 20 N 30 C 0 25 pF D 0 5 pF Z 80 20 If there are no indications for the electrolytic capacitors error ...

Page 50: ...licon RB491D D873 VHD1SS372 1 J AD Silicon 1SS372 D875 VHD1SS378 1 J AC Silicon 1SS378 D877 VHD1SS360 1 J AB Silicon 1SS360 PH901 VHPGP1S93K 1 J AF Photo Interrupter GP1S93K COILS L100 VPBNN100M0000 J AC 10 µH L171 RCILC0333AFZZ J AC 10 µH Choke L201 VPBNNR47M0000 J AC 0 47 µH L202 VPBNN100M0000 J AC 10 µH L204 RCILC0353AFZZ J AB Tip Impeder L452 RCILC0352AFZZ J AB Tip Impeder L453 454 RCILC0352AF...

Page 51: ...5 RC KZ1189AFZZ J AC 0 22 µF 16V Electrolytic C877 VCSAFA0JJ106M J AD 10 µF 6 3V Electrolytic Tantalum C878 RC KZ1216AFZZ J AD 3 3 µF 10V Electrolytic C879 RC KZ1193AFZZ J AC 1 µF 6 3V Electrolytic C880 VCKYCY1EB103K J AA 0 01 µF 25V C881 RC KZ1193AFZZ J AC 1 µF 6 3V Electrolytic C886 VCSAFA1AJ106M J AD 10 µF 10V Electrolytic Tantalum C902 VCKYCY1EB103K J AA 0 01 µF 25V C903 RC KZ1216AFZZ J AD 3 3...

Page 52: ...Disc In 8 3 SW902 QSW M0170AFZZ J AD Switch Push Type Disc Protect 8 4 PH901 VHPGP1S93K 1 J AF Photo Interrupter GP1S93K 11 MSPRP0881AFFJ J AB Spring 13 NGERH0596AFZZ J AD Gear Drive 15 RCTRH8175AFZZ J BM Optical Pickup Unit 16 MSPRP0880AFFJ J AC Spring Drive Grip 18 NSFTM0292AFFW J AC Shaft Guide 20 MSPRT1604AFFJ J AB Spring Eject Lever 23 QPWBH0307AFZZ J AF Magnetic Head Flexible PWB 25 MLEVF259...

Page 53: ...BZ0877AFF3 J AA Screw ø1 4 1 5mm 608 LX BZ0805AFFN J AB Screw ø1 7 2 5mm 610 LX BZ0967AFFC J AB Screw PACKING PARTS FOR MD MS701W SPAKA2679AFZZ J AD Packing Add SPAKC6563AFZZ J AL Packing Case SPAKZ0465AFZZ J Pad AC Adaptor SPAKZ0475AFZZ J Pad Operation Manual SPAKZ0475AFZ1 J Pad Operation Manual For Korea SPAKZ0479AFZZ J Sheet SSAKH0314AFZZ J AD Polyethylene Bag Unit ACCESSORIES QCNWG0382AFZZ J A...

Page 54: ... F G H 1 2 3 4 5 6 Figure 5 MD MECHANISM EXPLODED VIEW 5 1 2 7 507 3 6 5 20 4 23 30 509 8 8 1 8 3 SW902 506 501 506 11 13 504 25 26 29 514 15 18 16 505 507 510 512 513 513 M903 M902 M901 28 503x2 502 8 2 SW901 8 4 32 511x2 508 ...

Page 55: ...01 208 211 205 246 213 603 605 215 210 251 606 606 608x2 201 217 217 214 249 250 248 608x2 244 PWB A2 PWB A1 207 206 245 254 202 202 4 202 2 202 1 202 3 227 238 601 606 237 226 232 228 239 237 236 233 234 255 235 240 221 1 241x3 221 3 221 5 242 221 4 221 2 221 234 257 258 231 229 610x2 610 610 610x2 610x2 610 610 253 256 MS702 MS701W ...

Page 56: ...eplacement Item 7 PACKING OF THE SET MD MS702 ONLY 7 COPYRIGHT 1998 BY SHARP COPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced stored in a retrieval system or transmitted in any from or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher A9801 967 NS HA M SC EX SHARP CORPORATION Audio Visual Systems Gro...

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