Sony MDS-JE640 Bedienungsanleitung

MDS-JE640SPECIFICATIONSSERVICE MANUALMINIDISC DECKModel Name Using Similar Mechanism NEWMD Mechanism Type MDM-7AOptical Pick-up Type KMS-260B/J1NCanad

10HexadecimalBitBinaryHigher Bits Lower Bits84218421b7 b6 b5 b4 b3 b2 b1 b00000000100000010000001000000100000010000001000000100000010000000Hexa-decima

11SECTION 2GENERAL1 STANDBY indicator2 @/1 (power) button3 Remote sensor4 MDLP indicator5 A EJECT button6 MENU/NO button7 YES button8 H button9 S butt

12SECTION 3DISASSEMBLY3-1. UPPER CASE (408226)3-2. FRONT PANEL SECTIONNote : Follow the disassembly procedure in the numerical order given.1 two screw

133-3. MAIN BOARD3-4. PT BOARD, VOL-SEL BOARD4 four screws(BVTP3 × 8)6 screw(BVTP3 × 8)5 screw(BVTP3 × 8)3 connector(CN902)2 wire (flat type) (23core)

143-5. MECHANISM DECK SECTION (MDM-7A)3-6. BD BOARD2 four step screws(BVTTWH M3)1 harness4 mechanism deck3M102M101M103S1022 Remove the solder (Tw

15SECTION 4TEST MODEFunction nameMENU/NO buttonYES buttonAMSLeft or RightknobPushFunctionCancel or move to top hierarchySetSelectSet submenu4-1. PRECA

16DisplayAUTO CHECKErr DisplayTEMP ADJUSLDPWR ADJUSIop WriteIop NV SaveEF MO ADJUSEF CD ADJUSFBIAS ADJUSAG Set (MO)AG Set (CD)TEMP CHECKLDPWR CHECKEF

174-5-1. Operating the Continuous Playback Mode1. Entering the continuous playback mode1 Set the disc in the unit. (Whichever recordable discs or disc

18FunctionGxMmREC MODEPLAY MODELEVEL/DISPLAY/CHARAREPEATContentsSets continuous playback when pressed in the STOP state. When pressed during continuou

19Servo OFFTracking servo ONRecording mode OFFCLV normal modeTracking offset cancel OFFGrooveLow reflectionCLV ACLV UNLOCKContentsWhen Lit When OffDis

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

20SECTION 5ELECTRICAL ADJUSTMENTS5-1. PARTS REPLACEMENT AND ADJUSTMENTIf malfunctions caused by Optical pick-up such as sound skipping are suspected,

215-6-4. Auto Check(See page 24)StartYESNONONONONONONONOYESYESYESYESYESYESYESReplace IC195Replace OP or IO195Replace IC101, IC195, or D1015-11. Iop NV

225-7. Initial setting of adjustment values5-8. Recording of Iop information5-9. TEMP ADJUST5-10. Laser power adjustment5-11. Iop NV Save5-12. Travers

235-6. CHECKS PRIOR TO REPAIRSThese checks are performed before replacing parts according to“approximate specifications” to determine the faulty locat

249. Press the YES button display “EFB = MO-P”.Then, the optical pick-up moves to the pit area automaticallyand servo is imposed.10. Observe the w

255-6-8. C PLAY CheckMO Error Rate CheckChecking Procedure :1. Load a continuously recorded test disc (MDW-74/GA-1).(Refer to “5-5. Using the Continuo

265-7. INITIAL SETTING OF ADJUSTMENT VALUENote:Mode which sets the adjustment results recorded in the non-vola-tile memory to the initial setting valu

27KMS260B20101H0576Iop = 57.6 mA in this caseIop (mA) = Digital voltmeter reading (mV)/1 (Ω)7. Then, rotate the AMS knob and display “LDPWR CHECK”.8

2811. Rotate the AMS knob until the waveform of the oscilloscopemoves closer to the specified value.In this adjustment, waveform varies at intervals

295-14. ERROR RATE CHECK5-14-1. CD Error Rate CheckChecking Procedure :1. Load a check disc (MD) TDYS-1.2. Rotate the AMS knob and display “CPLAY1 M

31. While pressing the AMS knob and x button, connect the power plug to the outlet, and release the AMS knob and x button.When the test mode i

30NOTE:It is useful to use the jig. for checking the waveform. (Referto Servicing Note on page 6.)[BD BOARD] (SIDE B)D101IC15123 1 27 117IC101CN101CN1

3131SECTION 6DIAGRAMS6-1. CIRCUIT BOARDS LOCATIONBD boardDISPLAY boardKEY-SW boardKB boardHP boardPT boardVOL-SEL board(MY, SP model)MAIN boardTHIS NO

MDS-JE64032326-2. BLOCK DIAGRAMS – BD SECTION –FC BDAEI JJIBACDEFDETECTORJIABCDEFLDPDLASER DIODEILCCPDOPTICAL PICK-UP(KMS-260B/J1N)AUTOMATICPOWER CONT

MDS-JE6403333– MAIN SECTION –09X55045.1584MHz–1–2LED DRIVEQ751ROTARYENCODERFL DRIVEQ761, 762D751STANDBYA/D, D/A CONVERTERIC500SDTOADDTDADT, BCK,LRCKSD

3434• WAVEFORMS– MAIN Board –– DISPLAY Board –– BD Board –1 IC101 ek (RF)2 IC101 ef (FE)(Play mode)3 IC101 wh (TE)(Play mode)4 IC151 qh (OSCI)5 IC151

MDS-JE64035356-3. PRINTED WIRING BOARD – BD SECTION –Ref. No. LocationD101 A-1Q101 B-1Q131 C-1Q132 B-1Q133 B-1Q134 C-1• SemiconductorLocationRef. No.

MDS-JE64036366-4. SCHEMATIC DIAGRAM – BD SECTION (1/2) – • See page 34 for Waveforms. • See page 46 for IC Block Diagrams. • See page 48 for IC Pin

MDS-JE64037376-5. SCHEMATIC DIAGRAM – BD SECTION (2/2) – • See page 34 for Waveforms. • See page 46 for IC Block Diagrams. • See page 49 for IC Pin

MDS-JE64038386-6. PRINTED WIRING BOARD – MAIN SECTION (SIDE A) –Ref. No. LocationD461 C-1D462 C-1D471 C-1D472 D-1D476 C-1D477 C-1D481 B-1IC400 D-1• Se

MDS-JE64039396-7. PRINTED WIRING BOARD – MAIN SECTION (SIDE B) –Ref. No. LocationD155 C-1D156 C-1D255 C-1D256 C-1D401 B-7D402 B-7D403 B-7D404 B-7D412

4DescriptionTABLE OF CONTENTS1. SERVICING NOTES ... 52. GENERAL ...

MDS-JE64040406-8. SCHEMATIC DIAGRAM – MAIN SECTION (1/3) – • See page 34 for Waveforms. • See page 52 for IC Pin Functions.PINFUNCTION

MDS-JE64041416-9. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) – • See page 34 for Waveforms. • See page 47 for IC Block Diagrams.

MDS-JE64042426-10. SCHEMATIC DIAGRAM – MAIN SECTION (3/3) – • See page 47 for IC Block Diagrams.

MDS-JE64043436-11. PRINTED WIRING BOARD – POWER SECTION –

MDS-JE64044446-12. PRINTED WIRING BOARD – DISPLAY SECTION –

MDS-JE64045456-13. SCHEMATIC DIAGRAM – DISPLAY SECTION – • See page 34 for Waveforms.

46466-14. IC BLOCK DIAGRAMSIC101 CXA2523AR (BD BOARD)–1–2+–IVRBB+–IVRAA+–IVRCC+–IVRDD+–IVR+–EEEE'EFB TESWPTGR48MORFO47MORFI46RFO45OPN44OPO43ADD

47IC400 LA5643 (MAIN BOARD)12111013123487659-+-+DELAYRESET CIRCUIT-+-+-+VREF1VREF3VREF2DELAY-+12 345 6 7 8 910GNDMOTORDRIVENOISEFILTERCLAMPFWD.INREV

486-15. IC PIN FUNCTIONS• IC101 CXA2523AR RF Amplifier (BD BOARD)Pin No.Pin Name I/O FunctionIJVCA to FPDAPCAPCREFGNDTEMPITEMPRSWDTSCLKXLATXSTBYF0CNT

4912345678910111213141516171819202122232425262728293031 to 343536 to 4041424344454647• IC151 CXD2662R Digital Signal Processor, Digital Servo Signal P

5SECTION 1SERVICE NOTESThis appliance is classified as aCLASS 1 LASER product. TheCLASS 1 LASER PRODUCTMARKING is located on therear exterior.Laser co

50FunctionPin No.Pin Name I/O484950, 5152535455565758596061626364656667686970717273747576777879808182838485D1D0D2, D3MVCIASYOASYIAVDDBIASRFIAVSSPCOFIL

51FunctionPin No.Pin Name I/O8687888990919293949596 to 9899100TFDRDVDDFFDRFRDRFS4SRDRSFDRSPRDSPFDFGINTEST1 to TEST3DVSSEFMOO—OOOOOOOI (S)I—OTracking s

521 DATA(FL) O Serial data signal output to the display driver.2 CLK(FL) O Serial clock signal output to the display driver. L: Active3 A1-IN I A1 Con

5355 HLDA/ALE O Microprocessor mode output. (Not used.)56 MNT2 (XBUSY) I In the state of executive command from the CXD2662R57 VSS — Ground.58 (MNT1)

54131112119810172016183456666777712131415MDM-7AAAnotsuppliednot suppliednot suppliedFront panel section#1#1#2(SP, MY)(SP, MY)#1#1#1#1#1SP,MYCND1919UKA

557-2. FRONT PANEL SECTIONRef. No. Part No. Description Remarks Ref. No. Part No. Description Remarks51 X-4952-917-1 PANEL ASSY, FRONT (BLACK)(AEP,UK,

567-3. MECHANISM SECTION-1(MDM-7A)204205206202201207205202211212210209214213215216218203217208220219not suppliednot suppliedRef. No. Part No. Descript

577-4. MECHANISM SECTION-2(MDM-7A)The components identified bymark 0 or dotted line with mark0 are critical for safety.Replace only with part numbersp

58Ref. No. Part No. Description Remarks Ref. No. Part No. Description RemarksSECTION 8ELECTRICAL PARTS LISTA-4725-054-A BD BOARD, COMPLETE************

59Ref. No. Part No. Description Remarks Ref. No. Part No. Description RemarksIC153 8-759-671-27 IC MSM51V4400E-70TS-KIC171 8-759-096-87 IC TC7WU04FU(T

6JIG FOR CHECKING BD BOARD WAVEFORMThe special jig (J-2501-196-A) is useful for checking the waveform of the BD board. The names of terminals and the

60Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks< SWITCH >S101 1-762-596-21 SWITCH, PUSH (1 KEY) (LIMIT SW)S103 1-7

61Ref. No. Part No. Description Remarks Ref. No. Part No. Description RemarksMAIN1-677-822-11 KB BOARD*********< CAPACITOR >C801 1-164-159-11 CE

62Ref. No. Part No. Description Remarks Ref. No. Part No. Description RemarksC351 1-126-933-11 ELECT 100uF 20% 16VC356 1-126-933-11 ELECT 100uF 20% 16

63Ref. No. Part No. Description Remarks Ref. No. Part No. Description RemarksIC390 8-759-636-55 IC M5218AFP-T1IC400 8-759-678-77 IC LA5643IC440 8-759-

64Ref. No. Part No. Description Remarks Ref. No. Part No. Description RemarksR278 1-216-815-11 METAL CHIP 330 5% 1/16WR280 1-216-833-91 RES-CHIP 10K 5

65Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks1-677-823-11 VOL-SEL BOARD (SP,MY)**************< CONNECTOR >* CN95

66MDS-JE640Sony CorporationAudio Entertainment Group9-929-286-112000F0961-1Printed in Japan ©2000.6Published by HA Quality Assurance Dept.

7Iop DATA RECORDING AND DISPLAY WHEN OPTICAL PICK-UP AND NON-VOLATILE MEMORY (IC195 OFBD BOARD) ARE REPLACEDThe Iop value labeled on the optical pick-

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

9Fig. 2 Reading the Test Mode Display(During playback)@@####**$$Fluorescent display tube display@@ : Parts No. (name of area named on TOC)## : Cluster