68, 4BASE UNIT SECTION MBU-5D 252, 263 270 | Sony MDS-JE530 instruction

(4)BASE UNIT SECTION (MBU-5D)

(4)BASE UNIT SECTION (MBU-5D)

252 265

#3

264

266

HR901

#4

271

#3

263

270

not supplied

272

not supplied

M101

S102

254

253

M102

267

#3

268

#3

269

262
#3	255
261
#5	256
	259
#4	260

258

not supplied #3

257

#3

252

251

252

Ref. No.

Part No.

Description

Remark

251A-4724-637-A BD BOARD, COMPLETE

2523-372-761-01 SCREW (M1.7), TAPPING

*253 4-996-267-01 BASE (BU-D)

*254 4-996-255-01 BASE (BU-C)

2554-900-590-01 SCREW, PRECISION SMALL

2564-996-258-01 SPRING, COMPRESSION

2574-996-262-01 GEAR (SL-C)

2581-667-954-11 FLEXIBLE BOARD

*259 4-210-664-01 BASE (BU-A)

!260 8-583-028-02 OPTICAL PICK-UP KMS-260A/J1N

*261 4-996-252-01 CHASSIS, BU

*262 4-996-254-01 BASE (BU-B)

263 4-967-688-11 MAGNET, ABSORPTION

The components identified by			Les composants identifiés par une
mark ! or dotted line with			marque ! sont critiques pour la
mark !are critical for safety.			sécurité.
Replace only with part num- Ne les remplacer que par une pièce
ber specified.			portant le numéro spécifié.
Ref. No.	Part No.	Description		Remark

2644-996-260-01 GEAR (SL-A)

2654-996-261-01 GEAR (SL-B)

2664-996-264-01 SPRING (SHAFT), LEAF

2674-996-265-01 SHAFT, MAIN

2684-996-256-01 SL (BASE)

2694-996-257-01 RACK (SL)

2704-996-263-01 SPRING (CLV), TORSION

2714-988-560-01 SCREW (+P 1.7X6)

2724-211-036-01 SCREW (1.7X2.5), +PWH HR901 1-500-502-11 HEAD, OVER WRITE

M101 A-4672-475-A MOTOR ASSY, SPINDLE M102 A-4672-474-A MOTOR ASSY, SLED

S102 1-762-148-21 SWITCH, PUSH (2 KEY)

(REFLECT DET, PROTECT DET)

– 68 –

Image 56

Sony MDS-JE530 service manual 68, 4BASE UNIT SECTION MBU-5D 252, 263 270, 254 253, 252 251 252

Contents

SPECIFICATIONS SERVICE MANUALSupplied accessories MDS-JE530 SELF-DIAGNOSISFUNCTION – 2 – Items of Error History Mode Items and Contents Table of Error Codes– 3 – Selecting the Test Mode TABLE OF CONTENTS 6.DIAGRAMSDISASSEMBLY ELECTRICAL ADJUSTMENTS Flexible Circuit Board Repairing Notes on chip component replacement– 5 – ADVARSEL – 6 – JIG FOR CHECKING BD BOARD WAVEFORM Display Precedure – 7 –Record Precedure CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS – 8 – – 9 – RETRY CAUSE DISPLAY MODEPrecedure Fig. 1 Reading the Test Mode Display Reading the Display – 10 –Hexadecimal nBinary Conversion Table SECTION GENERAL – 11 –LOCATION OF CONTROLS This section is extracted from instruction manualPage SECTION DISASSEMBLY – 13 –CASE FRONT PANEL SECTION MECHANISM DECK SECTTION MDM-5D – 14 –MAIN BOARD BASE UNIT MBU-5D,BD BOARD – 15 –SLIDER CAM – 16 – SW BOARD, LOADING MOTOR M103 1. PRECAUTIONS FOR USE OF TEST MODE 2. SETTING THE TEST MODESECTION TEST MODE – 17 – – 18 – 5. SELECTING THE TEST MODE 5-3. Non-VolatileMemory Mode EEP MODE – 19 –5-1.Operating the Continuous Playback Mode 7. TEST MODE DISPLAYS – 20 –6. FUNCTIONS OF OTHER BUTTONS – 21 – MEANINGS OF OTHER DISPLAYS – 22 – SECTION ELECTRICAL ADJUSTMENTS1.PARTS REPLACEMENT AND ADJUSTMENT 2. PRECAUTIONS FOR CHECKING LASER DIODE EMISSION 4. PRECAUTIONS FOR ADJUSTMENTSLaser power meter – 23 – Checking Procedure 6-2.Laser Power CheckSpecification – 24 – 6-5.C PLAY Checking MO Error Rate Check CD Error Rate Check– 25 – 6-4.Focus Bias Check 7. INITIAL SETTING OF ADJUSTMENT VALUE 9. TEMPERATURE COMPENSATION OFFSET ADJUSTMENT10. LASER POWER ADJUSTMENT Setting Procedure 11. TRAVERSE ADJUSTMENT – 27 –Specification Adjusting Procedure Adjusting Procedure 12.FOCUS BIAS ADJUSTMENT– 28 – 13.ERROR RATE CHECK 15.AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT13-1.CD Error Rate Check 13-2.MO Error Rate Check Adjustment Location – 30 –– BD BOARDSide A – – BD BOARDSide B – MDS-JE530 SECTION DIAGRAMS 6-1.BLOCK DIAGRAM – MD SERVO Section –– 31 – – 32 – 6-2.BLOCK DIAGRAM – MAIN Section – MDS-JE530– 33 – – 34 – Note on Schematic Diagram – 35 –Note on Printed Wiring Board – 36 – • Circuit Boards Location 6-4.PRINTED WIRING BOARD – BD Board – – 38 –•See page 36 for Circuit Boards Location •Semiconductor Location MDS-JE530 – 39 –– 40 – 6-6.SCHEMATIC DIAGRAM – BD Board 2/2 – See• – 41 –– 42 – MDS-JE530 6-7.SCHEMATIC DIAGRAM – SW Board – 6-8.PRINTED WIRING BOARD – SW Board –– 43 – – 44 – 6-9.PRINTED WIRING BOARD – MAIN Board – See• – 45 –– 46 – page 36 for Circuit Boards Location – 47 – – 48 –MDS-JE530 Page Page 41 Page MDS-JE530 – 49 –– 50 – – 51 – – 52 –MDS-JE530 • Semiconductor Location – 53 – – 54 –MDS-JE530 Page 47 Page •IC Block Diagrams – BD Board – – 55 –– 56 – IC101 – 57 – IC310M5293L IC431 – 58 – 6-14.IC PIN FUNCTION DESCRIPTION – 59 – •BD BOARD IC121 CXD2656R – 60 – – 61 – – 62 – •MAIN BOARD IC501 M30624MG-207FPSYSTEM CONTROLLER – 63 – – 64 – 1CHASSIS SECTION SECTION EXPLODED VIEWS– 65 – 2FRONT PANEL SECTION 61 64 61 63 61 66 61 6151 53 59 54 52 – 67 – 3MECHANISM SECTION MDM-5D 213 207202 201 223 207 – 68 – 4BASE UNIT SECTION MBU-5D 252263 270 254 253 SECTION ELECTRICAL PARTS LIST – 69 – DISPLAY – 70 – DISPLAY KEY SW– 71 – KEY SW MAIN– 72 – – 73 – MAIN – 74 – MAIN MAIN POWER SW– 75 – MDS-JE530 – 76 –Sony Corporation 9-928-824-11