Sony MDS-JE630 Manual do Utilizador

MICROFILMSERVICE MANUALMINIDISC DECKUS ModelCanadian ModelSPECIFICATIONSMDS-JE630U.S. and foreign patents licensed form Dolby LaboratoriesLicensing Co

– 10 –Reading the Retry Cause Display84218421b7 b6 b5 b4 b3 b2 b1 b00000000100000010000001000000100000010000001000000100000010000000Hexa-decimalDetail

– 11 –SECTION 2GENERALThis section is extracted frominstruction manual.• LOCATION OF CONTROLS– Front Panel –– Rear Panel –

– 12 –

– 13 –CASE (408226)FRONT PANEL SECTIONNote: Follow the disassembly procedure in the numerical order given.SECTION 3DISASSEMBLY1two screws(CASE 3 TP

– 14 –MAIN BOARDMECHANISM DECK SECTION (MDM-5D)1wire (flat type) (21 core)(CN341)6MAIN board2power cord connector(CN901)3four screws(BVTT3 × 6)1wir

– 15 –SLIDER (CAM)BASE UNIT (MBU-5D), BD BOARD1two screws (P2.6x6)4bracket (Guide L)3leaf spring2 harnes6bracket (Guide R)7slider (Cam)5two screws (

– 16 –SW BOARD, LOADING MOTOR (M103)5three screws (BTP2.6 × 6)6SW board4loading motor (M103)3two screws(PWH1.7 × 4)1screw (PTPWH M2.6 × 6)2gear B

– 17 –SECTION 4TEST MODE1. PRECAUTIONS FOR USE OF TEST MODE• As loading related operations will be performed regardless of the test mode operations

– 18 –5. SELECTING THE TEST MODEThere are 31 types of test modes as shown below. The groups can be switched by turning the [AMS] knob.

– 19 –“CPLAY MID” n “CPLAY OUT” n “CPLAY IN” ±≠§“CREC MID” n “CREC OUT” n “CREC IN” §±≠5-1. Operating the Continuous Playback Mode1. Entering the co

– 2 –SELF-DIAGNOSIS FUNCTIONThe self-diagnosis function consists of error codes for customers which are displayed automatically when errors occur, and

– 20 –6. FUNCTIONS OF OTHER BUTTONS7. TEST MODE DISPLAYSEach time the [LEVEL/DISPLAY/CHAR] button is pressed, the display changes in the following ord

– 21 –(PRECSYNCA.SPACEOVERBA-TRACKDISCSLEEPMONOWhen OffContentsDisplayWhen LitDuring continuous playback (CLV: ON)Tracking servo OFFRecording mode ONC

– 22 –SECTION 5ELECTRICAL ADJUSTMENTS1. PARTS REPLACEMENT AND ADJUSTMENT• Check and adjust the MDM and MBU as follows.The procedure changes accor

– 23 –2. PRECAUTIONS FOR CHECKING LASER DIODEEMISSIONTo check the emission of the laser diode during adjustments, neverview directly from the top as t

– 24 –±≠6. CHECK PRIOR TO REPAIRSThese checks are performed before replacing parts according to“approximate specifications” to determine the faulty

– 25 –9. Press the [YES] button to display “EFB = MO-P”.Then, the optical pick-up moves to the pit area automaticallyand servo is imposed.10. Observ

– 26 –7. INITIAL SETTING OF ADJUSTMENT VALUENote:Mode which sets the adjustment results recorded in the non-volatilememory to the initial setting

– 27 –7. Then, turn the [AMS] knob to display “LDPWRCHECK” (C02).8. Press the [YES] button once to display “LD 0.9 mW $ ”.Check that

– 28 –±≠±≠8. Turn the [AMS] knob so that the waveform of theoscilloscope becomes the specified value.(When the [AMS] k

– 29 –13. ERROR RATE CHECK13-1. CD Error Rate CheckChecking Procedure :1. Load the check disc (MD) TDYS-1.2. Turn the [AMS] knob and d

– 3 –ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTSSelecting the Test ModeDisplayDetails of HistoryE00 No errorE01 Disc error. PTOC cannot be read(DIS

– 30 –CN110NOTED101I+3VIOPTEORFVCGNDIC171IC121IC101IC192CN101Note: It is useful to use the jig. for checking the waveform. (Refer toServicing Notes on

MDS-JE630– 31 – – 32 –SECTION 6DIAGRAMS6-1. BLOCK DIAGRAM – SERVO Section –FC BDAEI JJIBACDEFDETECTORJIABCDEFLDPDLASER DIODEILCCPDOPTICAL PICK-UP(K

– 33 –– 34 –MDS-JE6306-2. BLOCK DIAGRAM – MAIN Section –05X34145.1584MHz–1–2LED DRIVEQ756ROTARYENCODERFL DRIVEQ781, 782D756STANDBYA/D, D/A CONVERTER

– 35 –Note on Schematic Diagram:• All capacitors are in µF unless otherwise noted. pF: µµF50 WV or less are not indicated except for electrolyticsand

– 36 –• Circuit Boards LocationSW boardMAIN boardKEY SW boardDISPLAY boardBD boardPOWER SW boardHP boardKEY board

MDS-JE630– 37 – – 38 –6-4. PRINTED WIRING BOARD – BD Board –• See page 36 for Circuit Boards Location.• SemiconductorLocationRef. No. LocationD101

MDS-JE630– 39 –– 40 –6-5. SCHEMATIC DIAGRAM – BD Board (1/2) – • See page 43 for Waveforms. • See page 55 for IC Block Diagrams.(Page 41)(Page 41)(

MDS-JE630(Page 39)6-6. SCHEMATIC DIAGRAM – BD Board (2/2) – • See page 43 for Waveforms. • See page 56 for IC Block Diagrams.• Voltages and wavefor

MDS-JE630– 43 –– 44 –• Waveforms– BD Board –1 IC101 1, 2 (I, J) (Play mode)5 IC121 @¶ (LRCK)2 IC101 4 (A) (Play mode)4 IC121 !§ (OSCI)6 IC121 @• (XBCK

MDS-JE630– 45 –– 46 –6-9. PRINTED WIRING BOARD – MAIN Board – • See page 36 for Circuit Boards Location.Ref. No. LocationRef. No. Location• Semicon

– 4 –SECTION 1SERVICING NOTESSAFETY CHECK-OUTAfter correcting the original service problem, perform the follow-ing safety check before releasing th

MDS-JE6306-10. SCHEMATIC DIAGRAM – MAIN Board (1/2) – • See page 43 for Waveforms.– 47 –– 48 –• Voltages and waveforms are dc with respect to ground

MDS-JE630– 49 –– 50 –6-11. SCHEMATIC DIAGRAM – MAIN Board (2/2) – • See page 43 for Waveforms. • See page 57 for IC Block Diagrams.• Voltages and w

MDS-JE6306-12. PRINTED WIRING BOARDS – PANEL Section – • See page 36 for Circuit Boards Location.– 51 –– 52 –• SemiconductorLocationRef. No. Locati

MDS-JE6306-13. SCHEMATIC DIAGRAM – PANEL Section – • See page 43 for Waveform.• Voltages and waveforms are dc with respect to groundunder no-signal

– 55 –– 56 –• IC Block Diagrams– BD Board –IC101 CXA2523ARIC121 CXD2656RIC152 BH6511FS-E2–1–2+–IVRBB+–IVRAA+–IVRCC+–IVRDD+–IVR+–EEEE'EFB TESWPTG

– 57 –– MAIN Board –IC310 M5293LIC321 AK4524IC431 LA5632IC471 LB1641255k+–27kOVERCURRENTLIMITTEROVERHEATPROTECTIONREFERENCEVOLTAGEGNDON/OFFINREFERENCE

– 58 –6-14. IC PIN FUNCTION DESCRIPTION• BD BOARD IC101 CXA2523AR (RF AMP, FOCUS/TRACKING ERROR AMP)Pin No. Pin Name I/O Description1III-V conv

– 59 –• BD BOARD IC121 CXD2656R Pin No. Pin Name I/O Description1 MNT0 (FOK) OFocus OK signal output to the system controller (IC501)“H” is output

– 60 –Pin No. Pin Name I/O Description46 XRAS O Row address strobe signal output to the D-RAM (IC124) “L” active47 XWE O Write enable signal output

– 61 –Pin No. Pin Name I/O Description91 SRDR O Sled servo drive PWM signal (–) output to the BH6511FS (IC152)92 SFDR O Sled servo drive PWM signal (+

– 5 –Flexible Circuit Board Repairing• Keep the temperature of the soldering iron around 270 ˚C dur-ing repairing.• Do not touch the soldering iron on

– 62 –• MAIN BOARD IC501 M30624MG-223FP (SYSTEM CONTROLLER)Pin No. Pin Name I/O Description1, 2 NCO Not used (open)3C1OMonitor output terminal for

– 63 –Pin No. Pin Name I/O Description50 STB OStrobe signal output to the power supply circuit “L”: standby mode, “H”: power on51 CHACK IN IDetecti

– 64 –Pin No. Pin Name I/O Description79 SCL OClock signal output to the EEPROM (IC171)80 SCTX ORecording data output enable signal output to the CXD2

– 65 –(1) CHASSIS SECTIONSECTION 7EXPLODED VIEWSLes composants identifiés par unemarque ! sont critiquens pour lasécurité.Ne les remplacer que par

– 66 –Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark(2) FRONT PANEL SECTION51 4-996-691-12 WINDOW (FL)52 A-4672-565-A KNOB

– 67 –(3) MECHANISM SECTION(MDM-5D)Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark215 4-996-227-01 LEVER (HEAD)216 4-996-22

– 68 –(4) BASE UNIT SECTION(MBU-5D)Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark251 A-4724-637-A BD BOARD, COMPLETE252 3

– 69 –Ref. No. Part No. Description Remark Ref. No. Part No. Description RemarkBDA-4724-637-A BD BOARD, COMPLETE*******************< CAPACITOR >

– 70 –Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark< COIL/SHORT >L101 1-414-813-11 FERRITE 0uHL102 1-414-813-11 FERRI

– 71 –Ref. No. Part No. Description RemarkRef. No. Part No. Description RemarkC776 1-162-294-31 CERAMIC 0.001uF 10% 50VC781 1-162-294-31 CERAMIC 0.001

– 6 –JIG FOR CHECKING BD BOARD WAVEFORMThe special jig (J-2501-149-A) is useful for checking the waveform of the BD board. The names of terminals and

– 72 –Ref. No. Part No. Description RemarkRef. No. Part No. Description RemarkC748 1-164-159-11 CERAMIC 0.1uF 50VC799 1-124-261-00 ELECT 10uF 20% 50V&

– 73 –Ref. No. Part No. Description RemarkRef. No. Part No. Description RemarkC435 1-126-964-11 ELECT 10uF 20% 50VC436 1-164-159-11 CERAMIC 0.1uF 50VC

– 74 –Ref. No. Part No. Description RemarkRef. No. Part No. Description RemarkL349 1-410-397-21 FERRITE BEAD INDUCTORL350 1-410-397-21 FERRITE BEAD IN

– 75 –Ref. No. Part No. Description RemarkRef. No. Part No. Description RemarkR550 1-249-429-11 CARBON 10K 5% 1/4WR551 1-249-429-11 CARBON 10K 5% 1/4W

– 76 –Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark#7 7-685-133-19 SCREW (DIA. 2.6) (IT3B)#8 7-685-871-01 SCREW +BVTT 3X6 (

– 7 –IOP DATA RECORDING AND DISPLAY WHEN OPTICAL PICK-UP AND NON-VOLATILE MEMORY (IC171 OFBD BOARD) ARE REPLACEDThe IOP value labeled on the optical p

– 8 –CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTSBefore performing repairs, perform the following checks to determine the faulty locations up to

– 9 –[]RETRY CAUSE DISPLAY MODE• In this test mode, the causes for retry of the unit during recording can be displayed on the fluorescent indicat