Sony MZ-E800 Manuale Utente

SERVICE MANUALPORTABLE MINIDISC PLAYERE ModelTourist ModelSPECIFICATIONSMZ-E800US and foreign patents licensed from DolbyLaboratories Licensing Corpor

– 10 –1screw (1.4), MI4boss7case, battery5bracket (A)bracket (A)MAIN boardopen/close detect switch(S809)6Remove the two solders ofbattery terminal (pl

– 11 –“MOTOR, DC SSM17A/C-NP (SPINDLE) (M901)”, “MOTOR, DC (SLED) (M902)”HOLDER ASSY4motor, DC (sled)(M902)3three screws(M1.4)5motor, DC SSM1

– 12 –C521C52202R620C813+R802R830X801R205R1C811C2048514IC802149148578151150460321521114214114013913813613713513433363942444851545657583235384145475053

– 13 –Configuration of Test ModeManual ModeMode to adjust or check the operation of the set by function.Normally, the adjustment in this mode is not e

– 14 –Self-Diagnosis Display Mode• This set uses the self-diagnosis system in which if an error oc-curs in playback mode, the error is detected by the

– 15 –• Description of Indication HistoryHistory code number Description1st 0 The first error1st 1 Displays “00”1st 2 Displays “00”N 0 The last errorN

– 16 –4. When all the keys on the set and on the remote commander areconsidered as OK, the following displays are shown for 4 sec-onds.(The key presse

– 17 –3. Press the X key once more.4. Press the x key to quit the manual mode, and activate thetest mode (display check mode).• Troubleshooting method

– 18 –• Adjustment method of Vrem PWM Duty (H)(item number: 766)1. Connect a digital voltmeter to the TP919 (VR) on the MAINboard, and adjust [VOL +]

– 19 – – 20 –***: NG item number.8. If OK through the overall MO adjustments, press the x keyto return to the test mode and terminate the Overall Adju

– 2 –TABLE OF CONTENTS1. SERVICING NOTES ... 32. GENERAL ...

MZ-E800057884858687969989412275678101113163210633292841421442131262543242348910111214561371819TRACKINGCOIL2-AXISDEVICEFOCUSCOILJX JY JXIX IYIYIXJXJYAB

MZ-E800530130131132140135141133134112111110138139109192205621227161513142592628464442243423HI-BRIDGECONTROLHI-BRIDGECONTROLHI-BRIDGECONTROLPREDRIVERHI

MZ-E80051868450736011843110 – 1156 – 966654081566457595880VOL+–S801 – 805S801S804 S805S802 S803S809(OPEN/CLOSE)S807AVLSLIMITNORMS808HOLDOFFHOLDS806DIG

MZ-E800R603R601C609R608R611R504C509C612C610+R503C508C501R502R501C502C503C504C505C506C507C510C511C513C515C516R609C519C618C614R612R614C615X601C521C522R6

MZ-E800– 29 – – 30 –6-5. SCHEMATIC DIAGRAM – MAIN Board (1/4) –• See page 37 for Waveforms. • See page 38 for IC Block Diagram.Note on Schematic Dia

MZ-E8006-6. SCHEMATIC DIAGRAM – MAIN Board (2/4) –• See page 37 for Waveforms. • See page 38 for IC Block Diagram.– 31 –– 32 –Note on Schematic Diag

MZ-E800– 33 – – 34 –6-7. SCHEMATIC DIAGRAM – MAIN Board (3/4) –• See page 37 for Waveforms.Note on Schematic Diagram:• All capacitors are in µF unle

MZ-E800– 35 –– 36 –6-8. SCHEMATIC DIAGRAM – MAIN Board (4/4) –• See page 37 for Waveforms. • See page 39 for IC Block Diagrams.Note on Schematic Dia

• Waveforms1 IC501 1 (TE), IC601 oh (TE)(PLAYBACK mode)200 mV/DIV, 50 ns/DIV5 IC504 1, 2, IC551 3 (PWM1),IC601 <zxv> (SPVS),IC801 yj (SPDL PWM)(

– 39 –IC551 XC111256FTAEB+–+–242322212019VCVG123456783PHASECONTROLPREDRIVER48VCVCVCPREDRIVERH-BRIDGECONTROLVCH-BRIDGECONTROLVG47 46 45 44 43 42 4139 3

– 3 –NOTES ON HANDLING THE OPTICAL PICK-UPBLOCK OR BASE UNITThe laser diode in the optical pick-up block may suffer electro-static break-down

– 40 –6-9. IC PIN FUNCTION DESCRIPTION• IC501 SN761056CDBT (RF AMP, FOCUS/TRACKING ERROR AMP)Pin No. Pin Name I/O Description1 TE O Tracking erro

– 41 –• IC601 CXD2661GA-2 Pin No. Pin Name I/O Description1 VDCO — Power supply terminal (+1.7V) (for internal logic)2, 3 MNT0, MNT1 O Operation moni

– 42 –Pin No. Pin Name I/O Description47 to 52A03, A04, A02, A05, A01, A06O Address signal output to the external D-RAM Not used (open)53 VDIO1 — P

– 43 –Pin No. Pin Name I/O Description103 XLRF O Serial latch signal output terminal Not used (open)104 CKRF O Serial clock signal output terminal

– 44 –• IC801 CXR701080-016GA (SYSTEM CONTROLLER)Pin No.Pin NameI/O Description1VLCDONot used (open)2OFTRKIOff track signal input from the CXD2661GA

– 45 –Pin No.Pin NameI/O Description50 XWAKE CLOSE I Starting detect input (A/D input) from the open/close detect switch (S809) “L”: close 51 XWAKE

– 46 –Pin No. Pin Name I/ODescription97 TMS ITest mode control signal input terminal for JTAG scan test Not used (open)98 TCX IClock signal input t

– 47 –9810765164321161713121711LCD901(1) PANEL SECTIONSECTION 7EXPLODED VIEWSThe components identified bymark 0 or dotted line with mark0 are criti

– 48 –(2) MAIN SECTIONRef. No. Part No. Description RemarkRef. No. Part No. Description Remark51 4-218-233-05 SCREW (1.4), MI52 3-049-043-01 SPRING,

– 49 –The components identified by mark 0 or dottedline with mark 0 are critical for safety.Replace only with part number specified.(3) MD MECHANISM

– 4 –open/close detect switch (S809)eject lever 2shutter 1Disc insertion.ON(Fig. 1)aeject lever 2Lockslider 4Disc insertion.(Fig. 2)eject lever 2Unloc

– 50 –SECTION 8ELECTRICAL PARTS LISTRef. No. Part No. Description Remark Ref. No. Part No. Description RemarkMAINA-3323-560-A MAIN BOARD, COMPLETE*

– 51 –Ref. No. Part No. Description RemarkRef. No. Part No. Description RemarkC853 1-107-820-11 CERAMIC CHIP 0.1uF 16VC854 1-107-820-11 CERAMIC CHIP 0

– 52 –Ref. No. Part No. Description RemarkRef. No. Part No. Description RemarkMAINR517 1-208-691-11 METAL CHIP 2.2K 0.5% 1/16WR518 1-218-985-11 RES-CH

– 53 –Ref. No. Part No. Description RemarkRef. No. Part No. Description RemarkThe components identified by mark 0 or dottedline with mark 0 are critic

MZ-E800REVISION HISTORYClicking the version allows you to jump to the revised page.Also, clicking the version at the upper right on the revised page

– 5 –• When a disc is unloaded.Open the shutter 1. (Fig. 5)jThe slider 2 slides in arrow direction, and the holder Assy 3 moves up. (Fig. 6, Fig. 8)jW

– 6 –SECTION 2GENERALAIBCDEFGHJParts and controlsThe Player1 i (earphones) jack2 DIGITAL SOUND PRESET switch3 VOL (volume) +/– button4 Battery compar

– 7 –• This set can be disassemble in the order shown below.SECTION 3DISASSEMBLYNote: Follow the disassembly procedure in the numerical order given.P

– 8 –FRONT PANEL SECTIONSHUTTER SECTION1Open the shutter blockassy in the directionof arrow A.3boss2convex portionof screw holetwo claws4front pane

– 9 –spring (holder), torsionbracket (A)8motor flexible board(CN551)1MI screw (1.4 x 1.4)2bracket (FPC)3spring (MD), torsion7OP flexibleboard(CN501)9M