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MiNi DiSC DECK

MICROFILM

MDS-M9

SPECIFICATIONS

US and foreign patents licensed from Dolby Laboratories Licensing Corpo-
ration.

US Model

Canadian Model

E Model

Tourist Model

SERVICE MANUAL

MDS-M9 is the Mini disc deck
section in DHC-MD7.

Model Name Using Similar Mechanism

MDS-302

MD Mechanism Type

MDM-2B

Base Unit Type

MBU-2

Optical Pick-up Type

KMS-210A/J-N

Содержание MDS-M9

Страница 1: ...ed from Dolby Laboratories Licensing Corpo ration US Model Canadian Model E Model Tourist Model SERVICE MANUAL MDS M9 is the Mini disc deck section in DHC MD7 Model Name Using Similar Mechanism MDS 302 MD Mechanism Type MDM 2B Base Unit Type MBU 2 Optical Pick up Type KMS 210A J N ...

Страница 2: ...Adjustment 17 4 9 Error Rate Check 17 4 9 1 CD Error Rate Check 17 4 9 2 MO Error Rate Check 17 4 10 Focus Bias Check 17 4 11 Adjusting Points and Connecting Points 18 5 DIAGRAMS 5 1 Circuit Boards Location 19 5 2 Block Diagrams 20 5 3 Printed Wiring Board RF Section 26 5 4 Schematic Diagram RF Section 29 5 5 Schematic Diagram Digital Section 33 5 6 Printed Wiring Board Digital Section 37 5 7 Prin...

Страница 3: ...UES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK OR DOTTED LINE WITH MARK ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPO...

Страница 4: ...0 Note 1 When the three buttons pressed to enter the LED all lit mode are released together the LED all lit mode will remain on When released separately the next Fluorescent indicator tube all lit mode will be set Note 2 The LEDs will light up sequentially after the all lit mode each time the buttons are pressed or the SELECTOR knob is rotated Note 3 In the key check mode each time the button is p...

Страница 5: ...EDIT NO button and REPEAT button at the same time when the POWER of set is turned OFF Be sure to release the three buttons at the same time 2 Turn the SELECTOR knob to be displayed EEP MODE If the ENTER YES button is pressed the display will be changed to EEP Address data 3 Turn the SELECTOR knob to be displayed EEP 15 4 If the SELECTOR knob is pressed EEP 15 will be displayed So turn the SELECTOR...

Страница 6: ... 6 SECTION 2 GENERAL This section is extracted from instruction manual ...

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Страница 11: ...erent adjustment mode has been selected by mistake press the NO button to exit from it The EEP MODE is not used in servicing If set accidentally press the NO button immediately to exit it 3 4 1 Operating the Continuous Playback Mode 1 Entering the continuous playback mode 1 Set the disc in the unit either MO or CD 2 Rotate the SELECTOR knob and display CPLAY MODE 3 Press the YES button to change t...

Страница 12: ...tected Therefore be careful not to set the continuous recording mode when a disc not to be erased is set in the unit Note 4 Do not perform continuous recording for long periods of time above 5 minutes Note 5 During continuous recording be careful not to apply vibration 3 4 3 Non Volatile Memory Mode This mode reads and writes the contents of the non volatile memory It is not used in servicing If s...

Страница 13: ...n CLV A 3 8 Precautions for Use of Test Mode 1 As loading related operations will be performed regardless of the test mode operations being performed be sure to check that the disc is stopped before setting and removing it Even if the EJECT button is pressed while the disc is rotating during continuous playback continuous recording etc the disc will not stop rotating Therefore it will be ejected w...

Страница 14: ...completing the adjustments exit the test mode 3 Perform the adjustments in the order shown 4 Use the following tools and measuring devices MD test disc CD TDYS 1 Parts No 4 963 646 01 Laser power meter LPM 8001 Parts No J 2501 046 A Oscilloscope Digital voltmeter Thermometer 5 When observing several signals on the oscilloscope etc make sure that VC and Ground do not connect inside the oscilloscope...

Страница 15: ...hod 1 Set the laser power meter on the objective lens of the optical pick up When it cannot be set properly press the 0 button or button and move the optical pickup Connect the digital volt meter to TP IOP and TP I 5V 2 Rotate the SELECTOR knob and display LDPWR ADJUST Laser power For adjustment 3 Press the YES button twice and display LD 4B 3 5 mW 4 Adjust RV102 of the BD board so that the readin...

Страница 16: ...aveform 12 Press the YES button display EFB SAVE for a moment and save the adjustment results in the non volatile memory Next EFBAL CD is displayed The disc stops rotating automatically 13 Press the EJECT button and remove the MO disc 14 Load the test disc TDYS 1 15 Press the YES button and display EFB CD Servo is im posed automatically 16 Rotate the SELECTOR knob so that the waveform of the oscil...

Страница 17: ...nob and display CPLAY MODE 3 Press the YES button twice and display CPLAY MID 4 C1 AD is displayed 5 Check that the C1 error rate is below 20 6 Press the NO button stop playback press the EJECT button and remove the test disc 4 9 2 MO Error Rate Check Checking Method 1 Load a continuously recorded disc Refer to 4 4 Creating MO Continuously Recorded Disc 2 Rotate the SELECTOR knob and display CPLAY...

Страница 18: ... 18 4 11 Adjusting Points and Connecting Points BD BOARD Component side D101 IOP I 5V RV101 VC IC101 IC171 RV102 TEO IC191 IC121 BD BOARD Conductor side ...

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Страница 27: ...l from system controller IC201 Input of latch signal from system controller IC201 Reference voltage output Not used in this unit Opened Not used Opened Not used Connected to VC Power supply pin 5V Not used Opened Output of tracking error signal to CXD2535BR IC121 Input pin of add signal to tracking error Sled error LPF pin Output of sled error signal to CXD2535BR IC121 ADIP FM signal output Inputs...

Страница 28: ...bit CD format subcode Q sync SCOR to system controller IC201 Outputs L every 13 3 msec Outputs H at all most mostly Inputs reset signal from system controller IC201 Reset L Test input Fixed at L Not used in this unit Opened Test input Fixed at L Digital audio signal output pin For optical output Not used in this unit Digital audio signal input pin For optical input ADIP FM demodulation clock signa...

Страница 29: ... constant current input Inputs playback EFM RF signal from CXA1981AR IC101 Ground pin Analog Decoder PLL master clock PLL VCO control voltage input Decoder PLL master clock PLL phase comparison output Decoder PLL master clock PLL filter input Decoder PLL master clock PLL filter output Inputs peak hold signal for light amount signal from CXA1981AR IC101 Inputs bottom hold signal for light amount si...

Страница 30: ...s servo drive signal output Power supply pin 5V Digital Focus servo drive signal output 176 4 kHz clock signal output MCLK Sled servo drive signal output Sled servo drive signal output Spindle servo drive signal output Spindle servo drive signal output Not used in this unit Opened Not used in this unit Fixed at H Not used in this unit Opened Off track signal output Traverse count signal output Gro...

Страница 31: ...CXD2535BR IC121 Not used in this unit Fixed at L Not used in this unit Opened Not used in this unit Fixed at L Not used in this unit Opened Not used in this unit Fixed at L Ground pin System reset signal input L is input for several hundreds msec after the power supply activation then it is changed to H Not used in this unit Fixed at L Ground pin Clock input 8MHz Clock output 8MHz Power supply 5V ...

Страница 32: ...ed in this unit Fixed at L FOK signal input from CXD2535BR IC121 H is input when focusing Not used in this unit Pull down when input Not used in this unit Pull down when output Laser power switching signal output to the optical block and CXD2535BR IC121 Reset signal output to CXD1981AR IC101 and CXD2535BR IC121 and motor driver IC151 Reset L Reset signal output to the D A converter IC341 A D conve...

Страница 33: ...on switch S102 1 When protected H Disc reflection rate detection from the reflect detection switch S102 2 Disc with lower reflection rate H Detection from the limit in switch S101 Sled limit in L UART data transmission request signal output to display control IC701 UART data transmission request signal input from display control IC701 UART data input from display control IC701 UART data output to ...

Страница 34: ...er for single Fixed at L Ground pin Output pin of ATRAC and external audio block recording playback mode signal Not used in this unit Opened ATRAC I F XRQ signal input output pin Not used in this unit Opened ATRAC decode data signal input output pin Not used in this unit Opened ATRAC encode data signal input output Not used in this unit Opened ATRAC I F XALT signal input output pin Not used in thi...

Страница 35: ...nal RAM Fixed at L RAM access BUSY signal output Not used in this unit Opened EMPTY or immediately before FULL of ATRAC data When DSC ASC 1 H Not used in this unit Opened FULL or immediately before EMPTY of ATRAC data When ASC DSC 1 H Not used in this unit Opened ATRAC data EMPTY When DSC ASC H Not used in this unit Indicates recording playback data main sub H Sub Linking L Main Not used in this u...

Страница 36: ... Power down reset Test pin Fixed at L Master clock selection H 384fs L 256fs Fixed at L Mode setting Fixed at L Master mode LRCK output slave mode LRCK input Master mode BCK output slave mode BCK input DATA output Master mode FSYNC output slave mode FSYNC input Decimation filter power supply 5V Decimation filter Ground Master clock input 256fs Rch overflow flag output Not used in this unit Opened ...

Страница 37: ...ct signal output to Fluorescent tube driver IC702 Reset signal output to Fluorescent tube driver IC702 Not used in this unit connected to ground Not used in this unit Opened LED drive L Active Not used in this unit connected to ground Ground pin Not used in this unit connected to ground Attenuate ON OFF output L 6 dB attenute Not used in this unit connected to ground Forced reset output to system ...

Страница 38: ... Ref No Part No Description Remark Ref No Part No Description Remark 1 4 977 668 01 WINDOW FL 2 4 979 353 01 FILTER MD 3 4 977 680 01 KNOB JOG 4 4 977 677 01 INDICATOR DIGITAL 5 4 977 667 01 PANEL FRONT 6 4 962 708 01 EMBLEM 4 A SONY 7 X 4946 465 1 BUTTON PLAY ASSY 8 4 977 676 01 INDICATOR JOG 9 4 977 672 01 BUTTON EJECT 10 4 933 134 01 SCREW PTPWH M2 6X6 11 4 977 669 01 LID CARTRIDGE 12 4 978 356...

Страница 39: ...SP HK JE 53 4 977 679 31 PANEL BACK US CND 54 A 4699 002 A DIGITAL BOARD COMPLETE SP HK JE 54 A 4699 006 A DIGITAL BOARD COMPLETE US CND 55 1 776 417 11 WIRE FLAT TYPE 18 CORE 56 1 776 416 11 WIRE FLAT TYPE 30 CORE 57 1 776 168 11 WIRE FLAT TYPE 21 CORE 58 A 4699 000 A POWER BOARD COMPLETE SP HK JE 58 A 4699 004 A POWER BOARD COMPLETE US CND 59 1 775 925 11 WIRE FLAT TYPE 10 CORE 60 4 962 641 01 S...

Страница 40: ... ASSY 125 4 968 919 11 WASHER STOPPER 126 4 967 646 01 SPRING SHT TORSION 127 4 967 645 01 LEVER SHT 128 4 977 450 01 SPRING LM TORSION 129 4 967 639 01 LEVER LM 130 4 968 919 01 WASHER STOPPER 131 4 967 641 01 LEVER L 132 4 967 642 01 SPRING L TORSION 133 4 967 643 01 LEVER LS 134 4 967 644 01 SPRING LS TORSION 135 4 967 664 01 SPRING TENSION 136 4 968 919 21 WASHER STOPPER 137 X 4945 872 1 SLIDE...

Страница 41: ...01 1 500 304 21 HEAD OVER LIGHT RF322 74A M101 A 4660 651 A MOTOR ASSY SLED M102 A 4660 650 A CHASSIS ASSY BU SPINDLE S102 1 762 148 11 SWITCH PUSH 2 KEY REFLECT PROTECT The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified Les composants identifiés par une marque sont critiques pour la sécurité Ne les remplacer que par une piéce...

Страница 42: ...7 1 163 038 91 CERAMIC CHIP 0 1uF 25V C128 1 164 232 11 CERAMIC CHIP 0 01uF 50V C129 1 107 823 11 CERAMIC CHIP 0 47uF 10 16V C130 1 163 251 11 CERAMIC CHIP 100PF 5 50V C131 1 104 760 11 CERAMIC CHIP 0 047uF 10 50V C132 1 107 682 11 CERAMIC CHIP 1uF 10 16V C133 1 163 017 00 CERAMIC CHIP 0 0047uF 5 50V C134 1 163 038 91 CERAMIC CHIP 0 1uF 25V C135 1 163 038 91 CERAMIC CHIP 0 1uF 25V C136 1 126 206 1...

Страница 43: ...LAZE 100K 5 1 10W R122 1 216 295 91 CONDUCTOR CHIP 2012 R123 1 216 037 00 METAL CHIP 330 5 1 10W R124 1 216 025 91 METAL GLAZE 100 5 1 10W R125 1 216 025 91 METAL GLAZE 100 5 1 10W R128 1 216 053 00 METAL CHIP 1 5K 5 1 10W R129 1 216 037 00 METAL CHIP 330 5 1 10W R130 1 216 041 00 METAL CHIP 470 5 1 10W R131 1 216 073 00 METAL CHIP 10K 5 1 10W R132 1 216 097 91 METAL GLAZE 100K 5 1 10W R133 1 216 ...

Страница 44: ...T 22uF 20 16V C310 1 126 395 11 ELECT 22uF 20 16V C311 1 163 001 11 CERAMIC CHIP 220PF 10 50V C312 1 163 001 11 CERAMIC CHIP 220PF 10 50V C313 1 163 038 91 CERAMIC CHIP 0 1uF 25V C314 1 126 204 11 ELECT CHIP 47uF 20 16V C315 1 163 017 00 CERAMIC CHIP 0 0047uF 5 50V C316 1 163 017 00 CERAMIC CHIP 0 0047uF 5 50V C317 1 163 017 00 CERAMIC CHIP 0 0047uF 5 50V C318 1 163 017 00 CERAMIC CHIP 0 0047uF 5 ...

Страница 45: ... 371 17 IC CXD2536R IC301 8 759 352 63 IC CXD8566M IC302 8 759 352 59 IC CXA8054M IC341 8 759 362 47 IC CXD8567AM IC342 8 759 636 55 IC M5218AFP IC411 8 759 158 96 IC TC9246F TP1 IC412 8 759 242 70 IC TC7WU04F IC431 8 759 040 83 IC BA6287F COIL L221 1 216 295 91 CONDUCTOR CHIP 2012 HK SP JE L221 1 414 551 11 MICRO INDUCTOR CHIP US CND L302 1 216 295 91 CONDUCTOR CHIP 2012 HK SP JE L302 1 414 551 1...

Страница 46: ... GLAZE 47 5 1 10W R307 1 216 017 91 METAL GLAZE 47 5 1 10W R308 1 216 033 00 METAL CHIP 220 5 1 10W R310 1 216 295 91 CONDUCTOR CHIP 2012 R316 1 216 295 91 CONDUCTOR CHIP 2012 R341 1 216 025 91 METAL GLAZE 100 5 1 10W R343 1 216 295 91 CONDUCTOR CHIP 2012 R361 1 216 687 11 METAL CHIP 33K 0 5 1 10W R362 1 216 687 11 METAL CHIP 33K 0 5 1 10W R363 1 208 814 11 METAL CHIP 22K 0 50 1 10W R364 1 208 814...

Страница 47: ...282 31 CERAMIC 100PF 10 50V C742 1 162 282 31 CERAMIC 100PF 10 50V C743 1 162 282 31 CERAMIC 100PF 10 50V C744 1 162 282 31 CERAMIC 100PF 10 50V C745 1 162 282 31 CERAMIC 100PF 10 50V C746 1 162 282 31 CERAMIC 100PF 10 50V C747 1 162 282 31 CERAMIC 100PF 10 50V C748 1 162 282 31 CERAMIC 100PF 10 50V C750 1 164 159 11 CERAMIC 0 1uF 50V CONNECTOR CN701 1 695 371 31 PIN CONNECTOR PC BOARD 10P DIODE D...

Страница 48: ...CH TACTILE EJECT S710 1 554 303 21 SWITCH TACTILE CD SYNC S711 1 554 303 21 SWITCH TACTILE r REC S712 1 554 303 21 SWITCH TACTILE EDIT NO S713 1 554 303 21 SWITCH TACTILE ENTER YES S714 1 554 303 21 SWITCH TACTILE P S715 1 554 303 21 SWITCH TACTILE 0 S716 1 554 303 21 SWITCH TACTILE p S717 1 554 303 21 SWITCH TACTILE VIBRATOR X701 1 579 233 11 VIBRATOR CERAMIC 5MHz A 4699 000 A POWER BOARD COMPLET...

Страница 49: ...74HCU04AN IC103 8 759 327 15 IC M62005L IC105 8 749 921 11 IC GP1F32R MD DIGITAL OPTICAL DIGITAL IN IC107 8 759 634 51 IC M5218AP IC LINK ICP101 1 532 839 11 LI NK IC PRF1000 1 0A HK SP JE JACK J101 1 695 188 31 JACK PIN 4P MD ANALOG IN OUT COIL L101 1 410 478 11 INDUCTOR 47uH L103 1 412 473 21 INDUCTOR 0uH TRANSISTOR Q101 8 729 118 01 TRANSISTOR 2SB1116 K Q102 8 729 900 65 TRANSISTOR DTA144ES Q10...

Страница 50: ... 421 11 CARBON 2 2K 5 1 4W F R409 1 249 411 11 CARBON 330 5 1 4W R410 1 249 433 11 CARBON 22K 5 1 4W SWITCH S101 1 554 303 21 SWITCH TACTILE RESET 9 960 348 11 SP English 96E097038 1 Printed in Singapore 1996 5 Published by Quality Engineering Dept Shibaura Sony Corporation Home A V Products Company Les composants identifiés par une marque sont critiques pour la sécurité Ne les remplacer que par u...

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