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Sony MDS-S50 SCHEMATIC DIAGRAM - MAIN /2, See page 51 for IC Block Diagrams, MDS-JE470, Main

Models: MDS-S50

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Page 44

6-7. SCHEMATIC DIAGRAM – MAIN SECTION (2/2) –

MDS-JE470

6-7. SCHEMATIC DIAGRAM – MAIN SECTION (2/2) –

• See page 51 for IC Block Diagrams.

IC440

M54641L

LOADING DRIVER

R441

22k

1

R442

Q440

15k

Q440,445

C442

REFERENCE

0.01

UN4211-TA

2

VOLTAGE

3

C441

R443

SWITCH

100

22k

4

16V

Q445

2SA1175-HFE

D431

5

D433

R432

R431

1SS133T-72

1SS133T-72

680

100

C432

R433

C431

330

D432

22

33

25V

25V

1SS133T-72

R434

22k

D409

11EQS04

IC401

6

BA033T

D408

7

11EQS04

+3.3V

IC406

M62016L

REGULATOR

D406

CN400

1SS133T-72

D401

11

RESET

11EQS04

D402

11EQS04

R406

220

C401

D403

9

R407

CN406

10000

D404

C404

16V

11EQS04

10k

11EQS04

2P

100

C402

10V

0.1

C406

BT406

0.33

C405

ML1220

0.01

50V

D411

8

11ES2-NTA2B

5

PT

BOARD

D412

CN921

MAIN

11ES2-NTA2B

(Page49)

BOARD

(1/2)

IC411

D461

11ES2-NTA2B

(Page43)

M5F7805L

C412

1

0.1

C411

C461

+5V

10000

470

D462

16V

16V

11ES2-NTA2B

C416

REGULATOR

1000

FB465

FB460

6.3V

0∝H

C466

0∝H

D466

470

11ES2-NTA2B

16V

R423

100k

D467

FB410 JW

11ES2-NTA2B

R425

R424

C425

220

220

47

50V

10

11

12

R420

C423

JUMPER

100

D421

63V

D422

11ES2-NTA2

R422

C424

RD4.7EB2

120k

0.1

IC421

13

M5293L

14

-32V

REGULATOR

15

JW451

JUMPER

R911

16

2.2k

Q911

2SD2144S-TP-UVW

RELAY

17

R912

DRIVE

47k

JW452

JUMPER

18

20

R805

R801

R808

10k

10k

IIC CLK

220

R807

IIC DATA

220

IIC POWER
IIC BUSY		R806
		100
	L804	R802
C814	4.7∝H	R802
C814	C804	100

0.10.1

L803	C800
JUMPER	0.1

J800

PC-LINK

(CHASSIS)

44 44

Image 44

Sony MDS-S50 specifications SCHEMATIC DIAGRAM - MAIN /2, See page 51 for IC Block Diagrams, MDS-JE470, Main, Board

Contents

SPECIFICATIONS I nputsOutputs MDS-JE470MDS-JE470 SELF-DIAGNOSISFUNCTIONGeneral Power requirements Supplied accessoriesSelecting the Test Mode ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTSMDS-JE470 TABLE OF CONTENTS 3. DISASSEMBLY6. DIAGRAMS 7. EXPLODED VIEWSMDS-JE470 SECTION SERVICE NOTES SAFETY CHECK-OUTLEAKAGE Notes on chip component replacementJIG FOR CHECKING BD BOARD WAVEFORM MDS-JE470Display Precedure MDS-JE470Record Precedure OPTICAL PICK-UPBLOCK TYPE DISCRIMINATION MDS-JE470KSN-260B KSN-260ECHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS FORCED RESET@CN406 ProcedureMDS-JE470 RETRY CAUSE DISPLAY MODEProcedure MDS-JE470 Reading the DisplayReading the Display Hexadecimal t Binary Conversion TableMDS-JE470 SECTION GENERAL BUTTON DESCRIPTIONSMain unit Parts IdentificationMDS-JE470 SECTION DISASSEMBLY 3-1.DISASSEMBLY FLOW3-2.UPPER CASE 3-3.FRONT PANEL SECTION3Connector CN830 2 Connector CN390 1Wire flat type 17core CN3 5Claw3-4.MAIN BOARD 3-5.PT BOARD, VOL-SELBOARD SP model6Two screws +BVTP3x8 3 Connector CN400 2 Wire flat type 23core CN13-6.MECHANISM DECK SECTION MDM-7A 3-7.OVER LIGHT HEAD HR901, BD BOARDMDS-JE470 4 Remove the solder five portion3-8.HOLDER ASSY 3-9.LOADING MOTOR ASSY M103MDS-JE470 2 Claw3-10.SLED MOTOR ASSY M102, SLIDER 3-11.OPTICAL PICK-UPMDS-JE470 5 Remove the claw Shift the slider in the arrow3-12.SPINDLE MOTER ASSY M101 MDS-JE4702Spindle motor ASSY M101 1 Three screws M1.7, tapping4-1.PRECAUTIONS FOR USE OF TEST MODE 4-2.SETTING THE TEST MODEMDS-JE470 SECTION TEST MODE 4-3.EXITING THE TEST MODE4-5.SELECTING THE TEST MODE MDS-JE470Display GroupMDS-JE470 4-5-1.Operating the Continuous Playback Mode4-6.FUNCTIONS OF OTHER BUTTONS 4-7.TEST MODE DISPLAYS2. Error rate display MDS-JE4704-11.WHEN MEMORY NG IS DISPLAYED 4-8.MEANINGS OF OTHER DISPLAYS4-9.AUTOMATIC SELF-DIAGNOSISFUNCTION 4-10.INFORMATIONCheck before replacement MDS-JE470 SECTION ELECTRICAL ADJUSTMENTS5-1.PARTS REPLACEMENT AND ADJUSTMENT Adjustment flow MDS-JE4705-2.PRECAUTIONS FOR CHECKING LASER DIODE EMISSION 5-4.PRECAUTIONS FOR ADJUSTMENTSMDS-JE470 Optical pick-upflexible board5-5.USING THE CONTINUOUSLY RECORDED DISC 5-6.CHECKS PRIOR TO REPAIRS5-6-1.Temperature Compensation Offset Check Checking ProcedureProcedure Checking ProcedureMDS-JE470 5-6-4.Auto CheckChecking Procedure 5-6-8.C PLAY Check MO Error Rate CheckChecking Procedure CD Error Rate Check5-7.INITIAL SETTING OF ADJUSTMENT VALUE 5-9.TEMPERATURE COMPENSATION OFFSET ADJUTMENT5-10.LASER POWER ADJUSTMENT 5-8.RECORDING AND DISPLAYING THE Iop INFORMATION5-12.TRAVERSE ADJUSTMENT ProcedureAdjusting Procedure MDS-JE470MDS-JE470 5-13.FOCUS BIAS ADJUSTMENTAdjusting Procedure 5-14.ERROR RATE CHECK 5-16.AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT5-15.FOCUS BIAS CHECK 5-14-1.CD Error Rate Check5-17.ADJUSTING POINTS AND CONNECTING POINTS MDS-JE470BD BOARD SIDE A BD BOARD SIDE BMDS-JE470 SECTION DIAGRAMS 6-1.CIRCUIT BOARDS LOCATIONPT board KEY-SWboard MAIN board DISPLAY board BD boardFor schematic diagrams For printed wiring boardsMDS-JE470 WAVEFORMS -BD Board6-2.BLOCK DIAGRAMS - BD SECTION MDS-JE470IC171 IC190MAIN SECTION IC310IC550 IC781MAIN BOARD LocationPage BD BOARD SIDE ABD BOARD 2/2 Page BD BOARD 2/2 Page BD BOARD 2/2 MDS-JE470Page KMS - 260B/260EBOARD MDS-JE470MDS-JE470 BD BOARD2/2 CN102 Page42DISPLAY BOARD CN701 Page47 7MAIN BOARD 82/26-7.SCHEMATIC DIAGRAM - MAIN SECTION 2/2 See page 51 for IC Block DiagramsMDS-JE470 MAINSemiconductor MDS-JE470Location Semiconductor MDS-JE470Location 6-10.SCHEMATIC DIAGRAM - DISPLAY SECTION MDS-JE470VOL-SELBOARD PT BOARDMDS-JE470 MDS-JE470 6-12.SCHEMATIC DIAGRAM - POWER SECTION4949 6-13.IC BLOCK DIAGRAMS MDS-JE470IC101 CXA2523AR BD BOARD IC151 CXD2662R BD BOARDMDS-JE470 IC500 AK4524 MAIN BOARDIC440 M54641L MAIN BOARD IC421 M5293L MAIN BOARD6-14.IC PIN FUNCTION DESCRIPTION MDS-JE470IC101 CXA2523AR RF Amplifier BD BOARD Pin NoMDS-JE470 Pin NoPin Name DesriptionPLL Phase Locked Loop MDS-JE470Pin No Pin NameMDS-JE470 Pin NoPin Name DescriptionMDS-JE470 IC1 M30803MG-107FPSYSTEM CONTROL MAIN BOARDPin No Pin NameMDS-JE470 ADA. LATCHMDS-JE470 BEEP SWMDS-JE470 SECTION EXPLODED VIEWS7-1.CHASSIS SECTION FL750 7-2.FRONT PANEL SECTIONMDS-JE470 7-3.MECHANISM SECTION-1 MDM-7A MDS-JE470312 313S102 HR901M101 M102MDS-JE470 BD ELECTRICAL PARTS LISTSECTION MDS-JE470 BD Ref. NoDISPLAY MDS-JE470 KEY-SW MAINMDS-JE470 MAIN MAIN MDS-JE470MAIN VOL-SELMDS-JE470 MDS-JE470 MDS-JE470 REVISION HISTORY DateDescription of Revision 2001.05