Sharp MD-MS721BL Service Manual Download

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PRICE

RANK

DESCRIPTION

NO.

PARTS CODE

NO.

PARTS CODE

PRICE

RANK

DESCRIPTION

MD-MS722/C/W/MS721W

R808

VRS-CY1JB105D

1 Mohm,1/16W

R809

VRS-CY1JB222J

2.2 kohms,1/16W

R810

VRS-CY1JB682J

6.8 kohms,1/16W

R811

VRS-CY1JB334J

330 kohms,1/16W

R812

VRS-CY1JB184J

180 kohms,1/16W

R813

VRS-CY1JB104J

100 kohm,1/16W

R814

VRS-CY1JB102J

1 kohm,1/16W

R815

VRS-CY1JB563D

56 kohms,1/16W

R816

VRS-CY1JB243F

24 kohms,1/16W

R818,819

VRS-CY1JB184J

180 kohms,1/16W

R821

VRS-CY1JB684J

680 kohms,1/16W

R822

VRS-CY1JB335J

3.3 Mohms,1/16W

R823

VRS-CY1JB104J

100 kohm,1/16W

R824

VRS-CY1JB394D

390 kohms,1/16W

R826

VRS-CY1JB224D

220 kohms,1/16W

R829

VRS-CY1JB153J

15 kohms,1/16W

R830

VRS-CY1JB104J

100 kohm,1/16W

R831

VRS-CY1JB184D

180 kohms,1/16W

R832

VRS-CY1JB224D

220 kohms,1/16W

R841

VRS-CY1JB474J

470 kohms,1/16W

R842

VRS-CY1JB102J

1 kohm,1/16W

R843,844

VRS-CY1JB104J

100 kohm,1/16W

R845~847

VRS-CY1JB334J

330 kohms,1/16W

R848

VRS-CY1JB105J

1 Mohm,1/16W

R849

VRS-CY1JB184J

180 kohms,1/16W

R851

VRS-CY1JB103J

10 kohm,1/16W

R852

VRS-CY1JB104J

100 kohm,1/16W

R853

VRS-CY1JB334D

330 kohms,1/16W

R854

VRS-CY1JB225J

0.2 Mohms,1/16W

R855

VRS-CY1JB274D

270 kohms,1/16W

R857,858

VRS-CY1JB104J

100 kohm,1/16W

R859

VRS-CY1JB153J

15 kohms,1/16W

R860

VRS-CY1JB333J

33 kohms,1/16W

R872

VRS-CY1JB104J

100 kohm,1/16W

R891

VRS-CY1JB222J

2.2 kohms,1/16W

R892

VRS-CY1JB560J

56 ohms,1/16W

R893

VRS-CY1JB102J

1 kohm,1/16W

R901,902

VRS-CY1JB1R0J

1 ohm,1/16W

R903

VRS-CY1JB331J

330 ohms,1/16W

R904

VRS-CY1JB333J

33 kohms,1/16W

R905

VRS-CY1JB104J

100 kohm,1/16W

R906

VRS-CY1JB274J

270 kohms,1/16W

R907

VRS-CY1JB184J

180 kohms,1/16W

R908

VRS-CY1JB104J

100 kohm,1/16W

R909

VRS-CY1JB103J

10 kohm,1/16W

R921

VRS-CY1JB331J

330 ohms,1/16W

R922

VRS-CY1JB104J

100 kohm,1/16W

OTHER CIRCUITRY PARTS

CN101

QCNCW801XAFZZ J

Socket,22Pin

CN451

QCNCW804TAFZZ J

Socket,18Pin

CN482

QCNCW804GAFZZ J

Socket,7Pin

CN601

QCNCW716RAFZZ J

Socket,16Pin

F800

QFS-L102AAFNO

Fuse,100A,63VDC,Tip Type

J701

VHLGP1FB95R-1

Jack,OPTICAL/LINE IN

J702

QJAKM0189AFZZ

Jack,MIC IN

J703

QJAKM0201AFZZ

Jack,Remote Control/Head-

phones

J801

QJAKC0139AFZZ

DC Jack

M901

RMOTV0510AFZZ

Motor Ass’y [Spindle]

M902

RMOTV0511AFZZ

Motor Ass’y [Sled]

M903

RMOTV0512AFM1

Motor Ass’y [Lift]

SW401

QSW-M0001AWZZ J

Switch,Push Type [EJECT]

SW402

QSW-S0948AFZZ

Switch,Slide Type [HOLD]

SW901

QSW-M0169AFZZ

Switch,Push Type [Disc In]

SW902

QSW-M0170AFZZ

Switch,Push Type [Disc Protect]

MECHANICAL PARTS

NGERH0597AFZZ

Wheel,Drive

NSFTD0331AFFT

Screw,Drive

LHLDX3136AFM2

Cartridge Holder Ass’y

MSPRT1607AFFJ

Spring,Cancel Lever

MLEVF2598AFFW

Lever,Eject

LCHSM0941AFM1

Main Chassis Ass’y

PCUSG0599AFZZ

Cushion

QPWBH0326AFM1 J

AM Mechanism Flexible PWB Ass’y

8- 1

————

—

Mechanism Flexible PWB

(Not Replacement Item)

8- 2(SW901)

QSW-M0169AFZZ

Switch,Push Type [Disc In]

8- 3(SW902)

QSW-M0170AFZZ

Switch,Push Type [Disc Protect]

8- 4(PH901)

VHPGP1S93K/-1

Photo Interrupter,GP1S93K

MSPRP0925AFFJ

Driver Screw Bracket

MSPRP0923AFFJ

Plate Spring

MSPRP0924AFM1

Shutter Spring Ass’y

NGERH0603AFZZ

Gear,Drive

RCTRH8175AF10

BM Optical Pickup Unit

MSPRP0922AFFJ

Spring,Drive Grip

NSFTM0292AFFW

Shaft,Guide

MSPRT1604AFFJ

Spring,Eject Lever

QPWBH0327AFZZ

AG Magnetic Head Flexible PWB

MLEVF2625AFM1

Lift Lever Ass’y

MLEVF2626AFFW

Lever,Lift Joint

MLEVF2627AFFW

Lever,Lift

MSPRD1360AFFJ

Spring,Lift Lever

LANGF1588AFFW

Bracket,Pickup

RCILH0110AFZZ

AM Magnetic Head

502

LX-JZ0154AFZZ

Screw,ø1.4

2.8mm

503

LX-BZ0823AFZZ

Screw,ø1.4

1.2mm

504

LX-WZ9290AFZZ

Washer,ø0.8

ø2.4

0.25mm

505

LX-BZ0800AFZZ

Screw,ø1.4

2.5mm

506

XSPSN14P01500

Screw,ø1.7

2.5mm

508

LX-BZ0960AFZZ

Screw,ø1.4

1.5mm

509

LX-BZ0980AFZZ

Screw,ø1.4

2mm

511

LX-BZ0804AFFF

Screw,ø1.4

2.2mm

514

LX-JZ0148AFZZ

Screw,ø1.7

3mm

515

LX-WZ9296AFZZ

Washer,ø1.5

ø3.5

0.25mm

516

LX-BZ0974AFZZ

Screw,ø1.4

5.5mm

517

XAPSF14P01600

Screw,ø1.4

1.6mm

518

XWSSD14-05000

Spring Washer,ø1.4

0.5mm

M901

RMOTV0510AFZZ

Motor Ass’y [Spindle]

M902

RMOTV0511AFZZ

Motor Ass’y [Sled]

M903

RMOTV0512AFM1

Motor Ass’y [Lift]

CABINET PARTS

201

CCABB2882AF01

Front Cabinet Ass’y

[MS722/MS722C/MS722W]

201

CCABB2882AF03

Front Cabinet Ass’y

[MS721W (S)/MS721W (BL)]

201- 1

————

—

Front Cabinet

(Not Replacement Item)

201- 2

GFTAC3135AFSA

AG Cover,MD

201- 3

LANGZ0335AFFW

Bracket,Disc Guide

201- 4

PCUSG0638AFZZ

Rubber,Preventive Vibration D

201- 5

PGIDM0256AFSA

Guide (Left)

202

CCABC4370AF01

Top Cabinet Ass’y

[MS722/MS722C/MS722W]

202

CCABC4378AF01

Top Cabinet Ass’y [MS721W (S)]

202

CCABC4378AF03

Top Cabinet Ass’y

[MS721W (BL)]

202- 1

————

—

Top Cabinet

(Not Replacement Item)

202- 2

LHLDL3061AFSA

Holder,Strap

203

GCABA2882AFSA

Center Cabinet

[MS722/MS722C/MS722W]

203

GCABA2882AFSB

Center Cabinet

[MS721W (S)/MS721W (BL)]

204

CCABD4385AF01

Bottom Cabinet Ass’y [MS722]

204

CCABD4386AF01

Bottom Cabinet Ass’y [MS722C]

204

CCABD4387AF01

Bottom Cabinet Ass’y [MS722W]

204

CCABD4389AF01

Bottom Cabinet Ass’y

[MS721W (S)]

204

CCABD4389AF03

Bottom Cabinet Ass’y

[MS721W (BL)]

204- 1

————

—

Bottom Cabinet

204- 2

GCOVA2292AFSA

Cover,DC Jack

204- 3

JKNBZ2113AFSA

Knob,Hold

204- 4

PSHET0401AFZZ

Sheet,Insulator,Bottom Cabinet

205

GCOVA2284AFSA

Cover,Eject

[MS722/MS722C/MS722W]

205

GCOVA2284AFSB

Cover,Eject

[MS721W (S)/MS721W (BL)]

206

JKNBK0526AFSA

Knob,Eject

207

LANGT1953AFFW

Bracket,Eject Knob

208

LANGZ0348AFM1

AM Eject Bracket Ass’y

209

PSHET0373AFZZ

Sheet

210

PSHEZ0851AFZZ

Bracket,Eject Knob

211

LANGK0956AFM1

AM Main Frame Ass’y

212

PCUSG0649AFZZ

Cushion Machanism

213

PCUSG0671AFZZ

Cushion

214

PSHEZ0966AFZZ

Sheet,Insulator Extension

Battery Terminal

– 3 –

Summary of Contents for MD-MS721BL

Page 1: ... DIAGRAM 39 WAVEFORMS OF MD CIRCUIT 40 TROUBLE SHOOTING 41 FUNCTION TABLE OF IC 44 PARTS GUIDE EXPLODED VIEW PACKING OF THE SET MD MS722 ONLY MD MS722 MD MS722C MD MS722W MD MS721W BL MD MS721W S SERVICE MANUAL SHARP CORPORATION No SX891MDMS722U This document has been published to be used for after sales service only The contents are subject to change without notice In the interests of user safety...

Page 2: ... not look into the Pickup Lens 2 The Laser Power Output of the Pickup inside the unit and replacement service parts have already been adjusted prior to shipping 3 No adjustment to the Laser Power should be attempted when replacing or servicing the Pickup 4 Under no circumstances look directly into the Pickup Lens at any time 5 CAUTION Use of controls or adjustments or performance of procedures oth...

Page 3: ...rgeable battery Input socket Line optical digital microphone powered by the main unit Output socket Headphones impedance 19 ohms MS722 MS722C remote control unit Output socket Earphones impedance 32 ohms MS722W MS721W remote control unit MiniDisc Recorder Type Portable MiniDisc recorder Signal readout Non contact 3 beam semi coductor laser pick up Audio channels Stereo 2 channels monaural long pla...

Page 4: ...ing Time Indicator 16 Total Track Number Display 17 Jog Dial 18 Record Track Mark Button 19 Volume Name Select Buttons 20 Display Lowercase Characters Button 21 Character Button 22 Volume Name Select Buttons 23 Play Pause Button 24 Fast Reverse Fast Forward Recording Level Control Cursor Shuttle Switch 25 Edit Auto Mark Time Mark Button 26 Mode Insert Button 27 Bass Delete Button 28 Enter Fast Pla...

Page 5: ...isc Name Indicator 13 Track Name Indicator 14 Remaining Recording Time Indicator 15 Total Track Number Display 16 Mode Insert Button 17 Record Track Mark Button 18 Fast Reverse Recording Level Control Cursor Button 19 Play Pause Button 20 Fast Forward Recording Level Control Cursor Button 21 Display Lowercase Characters Button 22 Volume Name Select Buttons 23 Volume Name Select Buttons 24 Bass Del...

Page 6: ...the battery is completely dis charged the whole battery indicator will flash Recharge the battery or replace the alkaline battery with a new one When the battery has run completely out BATT EMPTY main unit and Lo BATT remote control unit will appear Then the power will be disconnected automatically Notes When using the unit with an alkaline bat tery or a rechargeable battery the battery indicator ...

Page 7: ...idental erasure Is the unit connected properly to the other equipment Is the AC adaptor unplugged or did a power failure occur whilst recording or editing Is the unit in the hold mode Is an optical signal being output from the external equipment Read the operation manual for the external equipment Even if the maximum recording time of a MiniDisc has not been reached DISC FULL or TOC FULL may be di...

Page 8: ...emove the MiniDisc NO DISC A disc 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 SORRY Since a track number is currently being located or written ...

Page 9: ...ina instalada OPEN O P E N O P E N OPEN O P E N O P E N OPEN DC IN 5V AC 120V 60Hz 120V CA 60Hz 1 4 3 2 RELEASE LOCK Back of the MD recorder Parte posterior de la grabadora de MD Open Abrir Press Pulsar 3 1 2 DC IN 5V AC 120V 60Hz 120V CA 60Hz Rechargeable battery power Alimentación de la batería recargable 2 1 Connection Conexión 3 Digital recording Grabación digital Analog recording Grabación an...

Page 10: ...utton while in the stop mode Pulse el botón OFF estando en el modo de parada Playback does not start when a MiniDisc is inserted La reproducción no empieza cuando se inserta un minidisco Press the button In the following cases the auto play function will not work When the recordable MiniDisc write protection tab is closed When the auto play function has been canceled Pulse el botón En los casos si...

Page 11: ...A2 x2 ø1 4x2mm B1 x1 ø1 4x2mm B1 x2 ø1 4x2mm Bottom Cabinet Top Cabinet Center Cabinet A1 x1 Pull C1 x1 ø1 7x2 5mm C1 x1 ø1 7x2 5mm B2 x1 C3 x3 B2 x1 Top Cabinet Pull Pull Pull Pull Pull Pull C2 x1 Flexble PWB for optical pickup C2 x1 C3 x1 Main PWB Put the fold on the connector and apply with the felt Sagging may result in contact with the sheet metal Felt Mechanism Unit ø1 4x2 5mm Figure 11 3 Ca...

Page 12: ...t motor See Fig 12 2 1 Remove the solder joint B1 x 2 of slide motor lead wire 2 Remove the screw B2 x 1 pc and remove the flexible PWB 3 Remove the screw B3 x 1 pc and remove the lift motor Note Take care so that the motor gear is not damaged If the gear is damaged noise is caused How to remove the sled motor See Fig 12 3 1 Remove the stop washer C1 x 1 pc and remove the drive gear C2 x 1 pc 2 Re...

Page 13: ...e perform manfully the preliminary adjustment Error rate indication 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...

Page 14: ...he 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 state is changed ...

Page 15: ...abled if the premastered disc or disc is in miserase protected state 9 NORMAL Mode When the STOP button is pressed while the NORMAl menu appears the mode changes to the TEST mode stop state Indication during operation Indication of memory capacity on main unit LCD Level meter Internal mode Address Cluster section Address Sector section Selection of sound volume BASS etc is possible without indicat...

Page 16: ...n standby state 2 Start the EEPROM mode Temp menu Key operation in order of BASS SKIP DOWN x 2 times PLAY PLAY in the test mode STOP state TM is displayed Temperature code Temperature reference 3 Once press SKIP UP and determine the displayed microcomputer TEMP input AD value TPin is displayed TEMP input AD value 4 At the ambient temperature determine the temperature corrected value from the tempe...

Page 17: ...H C T 1 _ 9 5 H C T 2 _ 4 0 H C T 3 _ 3 0 H R C 0 _ C 0 H R C 1 _ F E H S Y C _ A 6 H P W C _ 1 2 H P W L _ 6 6 H D R 1 _ 4 9 H D R 2 _ 4 9 H I N 1 _ D 4 H I N 2 _ 7 1 H I N H _ 6 4 H D R H _ 7 4 H P L E _ 9 6 H R C E _ 5 4 H E L T _ 7 2 H S L T _ 7 3 H S P M _ 0 0 H M S L _ 0 0 H U S 0 _ 0 0 H U S 1 _ 0 0 H U S 2 _ 0 0 H Item display Set values F G _ _ 6 3 H F F 1 _ 7 0 H F F 2 _ E 8 H F Z H _ E ...

Page 18: ...M A N U 1 ATT manual adjustment menu M A N U 2 Error history display menu E D A T A Test mode normal playback menu N O R M A L 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...

Page 19: ...tentative 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 COU...

Page 20: ...P SKIP DOWN E H SKIP UP SKIP DOWN F H SKIP UP SKIP DOWN T H SKIP UP SKIP DOWN A L SKIP UP SKIP DOWN B L SKIP UP SKIP DOWN E L SKIP UP SKIP DOWN F L SKIP UP SKIP DOWN Temperature code displayATT manual adjustment menu Temperature code display Temperature code Laser ON Play Power Pit section E ATT tracking setting ATT setting Pit section E ATT tracking setting ATT setting High reflection A ATT focus...

Page 21: ... H SKIP UP SKIP DOWN A L SKIP UP SKIP DOWN B L SKIP UP SKIP DOWN E L SKIP UP SKIP DOWN F L SKIP UP SKIP DOWN T H SKIP UP SKIP DOWN P T G SKIP UP SKIP DOWN G T G SKIP UP SKIP DOWN R C G SKIP UP SKIP DOWN R F G SKIP UP SKIP DOWN P C H SKIP UP SKIP DOWN G C H SKIP UP SKIP DOWN S A SKIP UP SKIP DOWN Continued to the next page SKIP UP SKIP DOWN B ATT focus initial setting E ATT tracking initial setting...

Page 22: ...ed in the continued playback mode jump of specified number of lines occurs in the external periphery direction If the key is held down jump occurs continuously 100 ms cycle When the SKIP DOWN key is pressed in the continuous playback mode jump of specified number of lines occurs in the internal periphery direction If the key is held down jump occurs continuously 100 ms cycle Continuous record menu...

Page 23: ...2 When the STOP key is pressed in specific menu the TEST MODE STOP state is set Error history display menu Error history 0 display Error code Error history 1 display Error code Error history 2 display Error code Error history 3 display Error code Error history 4 display Error code Error history 5 display Error code Error history 6 display Error code Error history 7 display Error code Error history...

Page 24: ...P UP SKIP DOWN B S 3 SKIP UP SKIP DOWN When the STOP key is pressed in specific menu the TEST MODE STOP state is set When the DISP key operation is performed in the specific state the menu changes to TEMP SETTING menu In the specific state the setting changes in the range of 00h to FFh when the VOL UP DOWN key is pressed The upper limit varies depending on the items Focus setting menu PLAY F o c u...

Page 25: ...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 C L p SKIP UP SKIP DOWN C L v SKIP UP SKIP DOWN J P i SKIP UP SKIP DOWN K 1 0 SKIP UP SKIP DOWN Spin setting menu PLAY S p i n Spin Setting S P G S P i SKIP UP SKIP DOWN S P m SKIP UP SKIP DOWN S P o SKIP UP SKIP DOWN S P 1 SKIP UP SKIP DOWN S P 2 SKIP UP SKIP DOWN S P 3 SKIP UP SKIP DOWN S P 4 SKIP UP S...

Page 26: ...lue PLAY T e m p TEMP Setting T M T p i n SKIP UP SKIP DOWN When the STOP key is pressed in specific menu the TEST MODE STOP state is set When the DISP key operation is performed in the specific state the menu changes to TEMP SETTING menu In the specific state the setting changes in the range of 00h to FFh when the VOL UP DOWN key is pressed Adjustment setting menu PLAY A D J S E T Adjustment Sett...

Page 27: ...c state the menu changes to TEMP SETTING menu In the specific setting display state the setting change digit changes when the P MODE key is pressed 1st digit initial value 2nd digit P MODE P MODE In the specific state the setting changes in the range of 0h to Fh when the VOL UP DOWN key is pressed Control setting menu PLAY C T R L Control Setting C T 0 C T 1 SKIP UP SKIP DOWN C T 2 SKIP UP SKIP DO...

Page 28: ...OWN SKIP UP SKIP DOWN U S 1 U S 2 When the STOP key is pressed in specific menu the TEST MODE STOP state is set When the DISP key operation is performed in the specific state the menu changes to TEMP SETTING menu In the specific setting display state the setting change digit changes when the P MODE key is pressed 1st digit initial value 2nd digit P MODE P MODE In the specific state the setting cha...

Page 29: ...3 REMOTE CONTORL J801 DC IN 4 5 5V 2 9 4 1V 3 4V VCC VCC 2 35 DISPLAY UNIT OPERATION UNIT IC901 3 PHASE BRUSHLESS DRIVER BA6965AF IC703 AUDIO AMP IR3R54N IC701 AUDIO AMP IR3R54N IC601 PWM DRIVER 17A39TD VM VCC IC402 EEPROM S29L294A 4 5 VCC VS IC202 16BIT D RAM IX2723AF 2 5 2 5 4 5 OPTICAL IN UNIT J701 DIGITAL INPUT J701 LINE INPUT J702 MIC IN READY FOR PLUG IN POWER J703 HEADPHONES LINE 1 6 19 20 ...

Page 30: ...99 100 8 7 6 5 4 3 2 1 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 26 27 27 28 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 48 49 49 50 50 51 525354 5556 57 58 59 60 61 6263 64 6566 6 9 8 7 6 5 4 3 2 1 CN101 22 21 20 19 18 17 16 15 14 13 12 11 10 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 1615 14 1312 1110 9 8 7 6 5 4 3 2 1 CN601 M903 LIFT MOTOR PH901 GP1S93K...

Page 31: ...9 40 41 42 43 44 45 46 47 48 48 49 49 50 50 51 525354 5556 57 58 59 60 61 6263 64 6566 67 6869 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 98 99 99 100 100 8 7 6 5 4 3 2 1 4 1 R481 36K R482 18K IC771 TK71225M 5 4 3 2 1 C605 0 1 TP610 C600 22 6 3 L600 2 2 C773 0 22 C774 1 C 0 C507 10 6 3 R500 4 7 C506 0 001 C505 0 001 R P RESET RKEY HDON PCNT1 PHOLD SYD7 S...

Page 32: ...510 2 2 C509 2 2 R502 470 R501 470 C502 0 0022 C501 0 0022 C504 3 3 10 C503 3 3 10 TP500 L500 22µH C508 1 C500 10 6 3 IC501 AK4519VF AD DA CONVERTER C722 3 3 10 C760 0 027 TP704 TP702 TP707 R715 100K R716 100K C734 0 1 16 C733 0 1 16 C754 1 R729 2 7K R730 2 7K C759 0 027 TP807 L851 4 7µH IC851 CPH3403 C856 1 16 C854 0 01 R857 100K D851 RB521S30 D852 F1J2F C857 10 CH L852 10µH C853 10P R853 330K R8...

Page 33: ...0V 0V 0V 0V 0V 0V 0V 0V 1 2 3 4 5 6 7 8 9 10 IC651 VOLTAGE NO PIN 0V 0 24V 0V 0V 0 73V 0 73V 1 2 3 4 5 6 IC801 VOLTAGE NO PIN 0V 0V 2 35V 0V 0V 2 35V 0V 0 91V 2 5V 0V 0 91V 2 35V 0V 4 54V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 IC351 VOLTAGE NO PIN 1V 2 5V 1 27V 0V 1 27V 1 27V 1 27V 1 27V 126V 2 2V 1 43V 2V 0V 0V 0V 0V 1V 0V 0V 0V 0V 0V 0V 0V 0V 1 58V 0 87V 0 87V 1 73V 1 1V 2 5V 0 6V 0 8V 1 9V 0 9V 1 29V...

Page 34: ...1 C171 C172 C202 L202 1 6 7 12 13 18 19 24 L201 C201 IC201 C212 R222 C211 C442 C203 R204 C204 IC601 L601 L602 L603 L604 C604 C622 1 5 10 15 18 19 20 25 30 35 36 L651 C651 C603 L600 C600 C602 C601 R455 R456 R457 R426 C605 IC651 R425 R452 R454 R451 R453 R458 C837 D836 L771 C826 C803 C505 C506 R207 L204 XL201 C774 IC771 C773 1 1 3 4 5 5 10 12 13 15 20 24 L500 C500 C508 C507 R500 J701 OPTICAL LINE IN ...

Page 35: ...2 R412 CN601 R903 R401 1 11 10 15 20 5 R901 R902 C907 C906 C905 R904 R404 R411 C354 C910 C130 C106 C107 C110 R423 C109 R422 SW402 HOLD C854 R860 R813 R756 R757 C760 C813 R832 R848 R845 R846 R819 R762 R770 R761 1 5 10 12 13 15 20 24 R857 R826 C859 R855 R854 D431 C712 R769 R712 R711 IC841 CN482 IC703 C753 R763 D841 D842 C765 D843 R849 R909 P38 6 H P38 4 E G P38 6 C P38 1 C TP115 TP105 TP108 TP106 TP...

Page 36: ...171 C171 C172 C202 L202 1 6 7 12 13 18 19 24 L201 C201 IC201 C212 R222 C211 C203 R204 C204 IC601 L601 L602 L603 L604 C604 C622 1 5 10 15 18 19 20 25 30 35 36 L651 C651 C603 L600 C600 C602 C601 R455 R456 R457 R426 C605 IC651 R425 R452 R454 R451 R453 R458 C837 D836 L771 C826 C803 C505 C506 R207 L204 XL201 C774 IC771 C773 1 1 3 4 5 5 10 12 13 15 20 24 L500 C500 C508 C507 R500 J701 OPTICAL LINE IN J70...

Page 37: ...2 R412 CN601 R903 R401 1 11 10 15 20 5 R901 R902 C907 C906 C905 R904 R404 R411 C354 C910 C130 C106 C107 C110 R423 C109 R422 SW402 HOLD C854 R860 R813 R756 R757 C760 C813 R832 R848 R845 R846 R819 R762 R770 R761 1 5 10 12 13 15 20 24 R857 R826 C859 R855 R854 D431 C712 R769 R712 R711 IC841 CN482 IC703 C753 R763 D841 D842 C765 D843 R849 R909 P38 6 H P38 4 E G P38 6 C P38 1 C TP115 TP105 TP108 TP106 TP...

Page 38: ...OTOR M901 SPINDLE MOTOR M903 LIFT MOTOR MECHANISM FLEXIBLE PWB UNIT 8 MAGNETIC HEAD FLEXIBLE PWB 23 MAGNETIC HEAD 32 KEY FLEXIBLE PWB ASS Y 248 KEY FLEXIBLE PWB ASS Y 248 CN101 TO MAIN PWB P33 11 H CN601 TO MAIN PWB P35 37 12 D CN451 TO MAIN PWB P35 37 12 D CN451 TO MAIN PWB P35 37 11 A LCD 249 CN482 MD MS722 C W MD MS721W PH901 SW901 SW902 ...

Page 39: ...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 replace these parts with specified ones for ma...

Page 40: ...L CH1 0 000V CH2 0 00V Main 1K Zoom 1K CH3 0 00V CH4 0 00V Trigger Mode AUTO Type EDGE CH1 Detay 0 0ns Hold OFF MINIMUM T TP201 EFM Stopped CH1 2V DC 10 1 500ms div 500ms div 1 MORM 200MS s 9 1994 12 15 08 57 26 Filter Offset Record Length Smoothiing OFF BW FULL CH1 0 00V CH2 0 00V Main 10K Zoom 10K CH3 0 000V CH4 0 0V Trigger Mode NORMAL Type EDGE CH1 Detay 0 0ns Hold OFF MINIMUM T TP201 EFM TP21...

Page 41: ...eaning tissue and a small amount of isopropyl alcohol Do not touch the lens with 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 Perfo...

Page 42: ...ck 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 soldering and CNS601 connection No Ia an attempt to repeat repeatedly the TOC part performed on the low reflection ...

Page 43: ...Check 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...

Page 44: ...MCPGI Input Microphone plug insertion detection input 34 PC2 _INPGI Input Line digital plug insertion detection 35 PC3 INPGCK Input Line digital plug type detection 36 PC4 RCPCNT Output Record circuit power control output 37 PC5 TEST1 Input Test mode setting input 1 38 PC6 TEST0 Input Test mode setting input 0 39 PC7 JPNP Input Kana conversion Kana input existence nonexistence discrimination 40 Vc...

Page 45: ...t 80 AN1 PLVDCI Input DC jack voltage detection input 81 AN2 PLVINN Input Lithium battery voltage detection input 82 AN3 RKEY Input Remote control key operation detection input 83 AN4 HKEY1 Input Unit key operation detection input 1 84 AN5 HKEY2 Input Unit key operation detection input 2 85 AN6 TEMP Input Ambient temperature detection input 86 DA1 LDVAR Output P U laser power setting output 87 AVs...

Page 46: ...MD MS722 C WMS721W 46 M E M O ...

Page 47: ...lindrical 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 is 20 Resistors...

Page 48: ... Impeder 150mA L453 454 RCILC0353AFZZ J AB Tip Solid Induction 100mA L456 458 RCILC0353AFZZ J AB Tip Solid Induction 100mA L491 VPBNN4R7M0000 J AC 4 7 µH L500 VPCBM220K0000 J AC 22 µH L600 RCILC0331AFZZ J AC 2 2 µH Choke L601 604 RCILC0358AFZZ J AC 4 7 µH Choke L608 RCILC0359AFZZ J AC 100 µH Choke L609 610 RCILC0358AFZZ J AC 4 7 µH Choke L651 VPBNNR47M0000 J AC 0 47 µH L702 703 RCILC0353AFZZ J AB ...

Page 49: ...lytic Tantalume C902 VCKYCY1EB103K J AA 0 01 µF 25V C903 RC KZ1186AFZZ J AD 3 3 µF 10V Electrolytic C905 907 VCKYCY1HB222K J AA 0 0022 µF 50V C908 RC KZ1204AFZZ J AB 0 22 µF 10V Electrolytic C909 910 VCKYCY1CB333K J AA 0 033 µF 16V C911 VCKYCY1CB104K J AB 0 1 µF 16V RESISTORS VRS CY1JB000J J AA 0 ohm Jumper 0 8 1 55mm Green R101 104 VRS CY1JB223J J AA 22 kohms 1 16W R105 VRS CY1JB394J J AA 390 koh...

Page 50: ...USG0599AFZZ J AB Cushion 8 QPWBH0326AFM1 J AM Mechanism Flexible PWB Ass y 8 1 Mechanism Flexible PWB Not Replacement Item 8 2 SW901 QSW M0169AFZZ J AD Switch Push Type Disc In 8 3 SW902 QSW M0170AFZZ J AD Switch Push Type Disc Protect 8 4 PH901 VHPGP1S93K 1 J AF Photo Interrupter GP1S93K 9 MSPRP0925AFFJ J AD Driver Screw Bracket 11 MSPRP0923AFFJ J AD Plate Spring 12 MSPRP0924AFM1 J AD Shutter Spr...

Page 51: ... MS721W S MS721W BL 248 RUNTK0489AFZZ J AU Key Flexible PWB Ass y MS722 MS722C MS722W 248 RUNTK0493AFZZ J AQ Key Flexible PWB Ass y MS721W S MS721W BL 249 RUNTZ0704AFZZ J AY LCD MS722 MS722C MS722W 249 RUNTZ0705AFZZ J AY LCD MS721W S MS721W BL 251 PSHEZ0994AFZZ J AB Sheet Switch B MS722 MS722C MS722W Only 252 PGUMS0730AFZZ J AB Cushion Mechanism B MS722 MS722C MS722W Only 253 HDECQ0584AFSA J AQ Al...

Page 52: ... Taiwan TINSE1642AFZZ J Operation Manual MS721W S MS721W BL for Australia New Zealand TINSE1643AFZZ J AG Operation Manual MS722W for Australia New Zealand TINSK0369AFZZ J Operation Manual MS722C TINSZ1381AFZZ J AG Operation Manual MS722 TINSZ1382AFZZ J AD Quick Guide MS722 Only TINSZ1383AFZZ J AN Operation Manual MS722W Except for Australia New Zealand TINSZ1386AFZZ J AN Operation Manual MS721W S ...

Page 53: ...G H 1 2 3 4 5 6 Figure 6 MD MECHANISM EXPLODED VIEW 6 1 2 7 509 3 12 6 5 20 4 23 30 518x2 514 514 506 8 503 11 13 504 29 15 18 16 505 M903 M902 M901 28 503x2 502x3 32 511x2 508 508 8 4 PH901 8 1 8 2 SW901 8 3 SW902 9 25 515 27 516 517 ...

Page 54: ...9 216 201 2 602 201 5 603 201 1 201 601 201 4 201 3 220 256 208 207 601 210 209 205 206 607 606x2 202 1 223x2 202 2 202 225x2 222 234 225x2 606 601 604 228x2 604 204 4 204 1 204 2 204 3 606 606x2 606x2 602 605 204 218 218 266 265 261 231 232 233 246 252 221 MS722 C W MS721W S MS721W BL 253 249 254 239 238 241 237 248 264x3 202 260x2 202 1 202 2 259 255 246 262 263 MD MECHANISM Except for MS722 ...

Page 55: ...d RCA Type AC Adaptor Headphones Remote Control Packing Add SPAKA2704AFZZ Packing Case SPAKC6672AFZZ Pad AC Adaptor SPAKZ0489AFZZ Rechargeable Battery Strap Connecting Cord Optical Type Operation Manual Carrying Case UBAGC0076AFSA Quick Guide Packing Add Unit SPAKZ0498AFZZ Packing Add Unit SPAKZ0509AFZZ Caution Headphones Not Replacement Item Paper Bag Unit SSAKP0116AFZZ ...

Page 56: ...rieval system or transmitted in any from or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher A9812 3516NS HA M SHARP CORPORATION Communication Systems Group Quality Reliability Control Center Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan SC SL EX SA SZ ...

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