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Toshiba SD-520ESE Service Manual

Dvd video/audio player
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FILE NO. 810-200208
SERVICE MANUAL
DIGITAL VIDEO
DVD VIDEO/AUDIO PLAYER
SD-520ESE
SD-520EKE
SD-520ESB
5
Sep., 2002

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Summary of Contents for Toshiba SD-520ESE

  • Page 1 FILE NO. 810-200208 SERVICE MANUAL DIGITAL VIDEO DVD VIDEO/AUDIO PLAYER SD-520ESE SD-520EKE SD-520ESB Sep., 2002...
  • Page 2 LASER BEAM CAUTION LABEL When the power supply is being turned on, you may not remove this laser cautions label. If it removes, radiation of a laser may be received. PREPARATION OF SERVICING Pickup Head consists of a laser diode that is very susceptible to external static electricity. Although it operates properly after replacement, if it was subject to electrostatic discharge during replacement, its life might be shortened.
  • Page 3 CONTENTS SECTION 1 GENERAL DESCRIPTIONS 3. TROUBLESHOOTING 1. OPERATING INSTRUCTIONS 3-1. Main Circuit Specifications 2. LOCATION OF MAIN PARTS AND 3-1-1. Servo System 3-1-2. Location Diagram of Servo Test Point MECHANISM PARTS 2-1. Location of Main Parts 2-2. Location of Mechanism Parts 2-2-1.
  • Page 4 SECTION 1 GENERAL DESCRIPTIONS 1. OPERATING INSTRUCTIONS...

  • Page 5: Introduction

    Introduction SAFETY PRECAUTIONS WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. DANGEROUS HIGH VOLTAGES ARE PRESENT INSIDE THE ENCLOSURE. DO NOT OPEN THE CABINET. REFER SERVICING TO QUALIFIED PERSONNEL ONLY.
  • Page 6 Location of the required label The rating plate and the safety caution are on the rear of the unit.

  • Page 7: Important Safety Instructions

    Introduction IMPORTANT SAFETY INSTRUCTIONS CAUTION: PLEASE READ AND OBSERVE ALL WARNINGS AND INSTRUCTIONS GIVEN IN THIS OWNER’S MANUAL AND THOSE MARKED ON THE UNIT. RETAIN THIS BOOKLET FOR FUTURE REFERENCE. This set has been designed and manufactured to assure personal safety. Improper use can result in electric shock or fire hazard.
  • Page 8 7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. 8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. 9. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
  • Page 9 Introduction IMPORTANT SAFETY INSTRUCTIONS 13. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
  • Page 10 18. Do not place a heavy object on or step on the apparatus. The object may fall, causing serious personal injury and serious damage to the apparatus. 19. Do not use a cracked, deformed, or repaired disc. These discs are easily broken and may cause serious personal injury and apparatus malfunction.

  • Page 11: Precautions

    Introduction Precautions Notes on handling Notes on moisture condensation When shipping the DVD player, the original shipping Moisture condensation damages the DVD player. carton and packing materials come in handy. For Please read the following carefully. maximum protection, repack the unit as it was Moisture condensation occurs, for example, when you originally packed at the factory.

  • Page 12: Notes On Discs

    Notes on Discs On handling discs Structure of disc contents Do not touch the playback side of the disc. Normally, DVD video discs are divided into titles, and the titles are sub-divided into chapters. DVD audio discs are divided into groups, and the groups are sub-divided into tracks.

  • Page 13: Notes On Region Numbers

    Introduction Notes on Discs (continued) About this owner’s manual Playable discs This owner’s manual explains the basic instructions of This DVD player can play the following discs. this DVD player. Some DVD video discs are produced in a manner that allows specific or limited operation during Disc Disc Mark Contents...

  • Page 14: Table Of Contents

    Table of Contents Playing an MP3 Encoded CD ....32 Introduction Playing an MP3 encoded CD ......32 SAFETY PRECAUTIONS ......2 IMPORTANT SAFETY INSTRUCTIONS ... 4 Advanced playback Precautions ..........8 Accessing a Specific Location Directly .. 34 Notes on Discs .......... 9 Entering the time counter of the desired location ..........

  • Page 15: Identification Of Controls

    Introduction Identification of Controls See the page in for details. Front panel PAUSE button ON/STANDBY indicator OPEN/CLOSE button STOP button NAVI button PLAY button Disc tray MENU button STOP OPEN/CLOSE PAUSE PLAY ON/STANDBY NAVI RETURN TOP MENU MENU ZOOM SKIP ENTER DVD display SKIP buttons...

  • Page 16: Dvd Display

    Repeated pressing of the FL DIMMER button on DVD display the remote control changes the brightness of the display. FL DIMMER Normal Dimmed Play mode indicator Chapter number indicator Memory playback indicator Title number indicator Track number Random playback indicator indicator TITLE A - B...

  • Page 17: Remote Control

    Introduction Identification of Controls (continued) The instructions in this manual describe the functions on the remote control. See the page in for details. Remote control DVD power button SETUP button TV/VIDEO OPEN/CLOSE button TV power button OPEN/CLOSE SETUP PROGRESSIVE button TV/VIDEO button E.A.M.

  • Page 18: Loading Batteries

    Loading batteries Operating with the remote control Open the cover. Point the remote control at the remote sensor and press the buttons. 30° 30° Within about 7 m Insert batteries (R03 size). Distance: About 7 m from the front of the remote sensor Angle: About 30°...

  • Page 19: Connections

    Connections Read this chapter first to make all necessary preparations. Connecting to a TV (Using the SCART socket) Connecting to a TV (Using the component video jacks) Connecting to a TV (Using the phono type jacks) Connecting to an amplifier equipped with a Dolby Digital decoder Connecting to an amplifier...

  • Page 20: Connecting To A Tv

    Connections Connecting to a TV Connect the DVD player to your TV. For details of output sound, see Connect the DVD player directly to your TV. If you connect the DVD player to a VTR, TV/VTR combination or video selector, the playback picture may be distorted as DVD video discs are copy protected. Connecting to a TV (Using the SCART socket) •...

  • Page 21: Connecting To A Tv (Using The Component Video Jacks)

    Connecting to a TV (Using the component video jacks) Switching the output signal (interlaced/ progressive) using the remote control (only when the SELECT (I/P) switch is set to “P”) You can temporarily switch the output signal for better SELECT picture quality. TV or monitor with component video Press PROGRESSIVE on the remote control.

  • Page 22: Connecting To A Tv (Using The Phono Type Jacks)

    Connections Connecting to a TV (continued) Connecting to a TV (Using the phono type jacks) Select the connection type depending on the TV. (TV equipped with an S video input / Normal TV) TV equipped with Signal flow an S video input AUDIO OUT VIDEO OUT ANALOG...

  • Page 23: Connecting To Optional Equipment

    Connecting to Optional Equipment You can enjoy high quality dynamic sounds by connecting the DVD player to optional audio equipment. • For connection to your TV, see “Connecting to a TV” Warning – • When you are connecting (via the BITSTREAM/PCM •...

  • Page 24: Connecting To An Amplifier Equipped With A Dolby Digital Decoder

    Connections Connecting to Optional Equipment (continued) Connecting to an amplifier equipped with a Dolby Digital decoder Dolby Digital Manufactured under license from Dolby Dolby Digital is the surround sound technology used in theaters showing the Laboratories. “Dolby”, “Pro Logic”, and the double-D symbol are trademarks of latest movies, and is now available to reproduce this realistic effect in the home.

  • Page 25: Connecting To An Amplifier Equipped With A Dts Decoder

    Connecting to an amplifier equipped with a DTS decoder Digital Theater Systems (DTS) “DTS” and “DTS Digital Out” are DTS is a high quality surround technology used in theaters and now available for trademarks of Digital Theater Systems, home use, on DVD video discs or audio CDs. Inc.

  • Page 26: Connecting To An Amplifier Equipped With 5.1Ch Audio Inputs

    Connections Connecting to Optional Equipment (continued) Connecting to an amplifier equipped with 5.1ch audio inputs 5.1ch surround sound • Use DVD video discs encoded via the Dolby Digital recording The Dolby Digital and MPEG2 decoders equipped with this DVD player enable you to obtain the full benefit of 5.1 channel sound tracks when you connect the system.

  • Page 27: Playing A Disc

    Basic playback Begin your operation. Playing a Disc Variable Speed Playback Locating a Desired Section Playing an MP3 Encoded CD...
  • Page 28 Basic playback CAUTION Playing a Disc Keep your fingers well clear of the disc tray as it is closing. Neglecting to do so may cause serious personal injury. This section shows you the basics on how to play a disc. 2, 4 PAUSE PLAY...
  • Page 29 To obtain a higher quality picture Occasionally, some picture noise not usually visible during a normal broadcast may 2, 4 appear on the TV screen while playing a DVD video disc because the high TOP MENU resolution pictures on these discs include a lot of information. While the amount of MENU noise depends on the TV you use with this DVD player, you should generally reduce the sharpness adjustment on your TV when viewing DVD video discs.

  • Page 30: Variable Speed Playback

    Basic playback Variable Speed Playback You can play discs at various speeds, and resume playback from the location where you stopped playback. PLAY PAUSE/STEP DVD-V DVD-A Playing in fast reverse or fast forward directions To resume normal playback Press REV or FWD during playback. Press PLAY.

  • Page 31: Playing In Slow-Motion

    PLAY STOP SLOW DVD-V DVD-A Playing in slow-motion To resume normal playback Press SLOW during playback. Press PLAY. Each time you press the SLOW SLOW PLAY button, the slow-motion speed changes. If you press the SLOW button SLOW Notes during playback, you can view the •...

  • Page 32: Locating A Desired Section

    Basic playback Locating a Desired Section TOP MENU / / / ENTER Normally, DVD video discs are divided into titles, and the titles are sub-divided into chapters. DVD audio discs are divided into groups, and the groups are sub-divided into tracks. VIDEO CDs and audio CDs are divided into tracks. You can quickly locate any specific title, chapter, group, or track.

  • Page 33: Locating A Desired Section By Entering The Corresponding Number

    CLEAR / / / ENTER SKIP PLAY Number buttons DVD-V DVD-A Locating a desired section by entering the corresponding number Press T. Repeat steps 2 and 3 if necessary. If you are using a VIDEO CD/audio CD, skip steps 1 and 2.

  • Page 34: Playing An Mp3 Encoded Cd

    Customers should also note that permission is required in order to download MP3 files and music from the internet. Toshiba has no right to grant such permission. Permission should always be sought from the copyright owner.

  • Page 35: Advanced Playback

    Advanced playback Customizing the performance of your DVD player. Accessing a Specific Location Directly Playing Repeatedly Playing in a Favorite Order Playing in Random Order Zooming a Picture Selecting the Sound Enhancement (E.A.M.) Selecting the Camera Angle Selecting Subtitles Selecting a Language...

  • Page 36: Accessing A Specific Location Directly

    Advanced playback Accessing a Specific Location Directly You can access a specific location by entering its corresponding time (hours, minutes, seconds). DVD-V DVD-A Entering the time counter of the desired location Notes Press T several times. • Some discs may not respond to this process. •...

  • Page 37: Playing Repeatedly

    Playing Repeatedly You can play a specific title, chapter, group, track, or segment repeatedly. PLAY CLEAR REPEAT A-B RPT DVD-V DVD-A Repeating a title, chapter, group or track If you select the mode during Press REPEAT. playback, the DVD player automatically starts repeat playback REPEAT The mode menu appears.

  • Page 38: Playing In A Favorite Order

    Advanced playback Playing in a Favorite Order You can combine your favorite titles, chapters, groups, or tracks and play them in / / / the order you determine. You can program up to 30 selections into the memory. ENTER (Memory playback) CLEAR DVD-V DVD-A...

  • Page 39: Playing In Random Order

    Playing in Random Order You can play titles, chapters, groups or tracks in random order. (Random playback) CLEAR 1, 2 DVD-V DVD-A Playing titles, chapters, groups or tracks in random order To resume normal playback Press RANDOM. Press CLEAR. CLEAR The mode menu appears.

  • Page 40: Zooming A Picture

    Advanced playback Zooming a Picture You can magnify areas within a picture. / / / ENTER ZOOM—/ZOOM/ZOOM+ DVD-V DVD-A Zooming a picture During normal, slow or still playback, Zoom point press ZOOM, ZOOM+ or ZOOM–. To shift: The DVD player enters the zoom ZOOM –...

  • Page 41: Selecting The Sound Enhancement (E.a.m.)

    Selecting the Sound Enhancement (E.A.M.*) 1, 2 You can easily switch the sound enhancement to your preference. ENTER *E.A.M.: Enhanced Audio Mode DVD-V DVD-A Selecting the sound enhancement To turn off the audio enhancement selection Press E.A.M. Press ENTER. The sound enhancement selection E.A.M.

  • Page 42: Selecting The Camera Angle

    Advanced playback Selecting the Camera Angle If the scene was recorded from multiple angles, you can easily change the camera angle of the scene you are watching. CLEAR 1, 2 DVD-V DVD-A Changing the camera angle To turn off the angle number display Press ANGLE while playing a scene Press CLEAR.

  • Page 43: Selecting Subtitles

    Selecting Subtitles You can display subtitles on the TV screen and select a subtitle language from those included on the DVD video disc. / / / ENTER SUBTITLE Good evening! Bonsoir! ¡Buenas tardes! DVD-V DVD-A Selecting a subtitle language To turn subtitles on or off Press SUBTITLE during playback.

  • Page 44: Selecting A Language

    Advanced playback Selecting a Language You can select a preferred language and sound recording system from those included on the disc. CLEAR 1, 2 Good morning! Bonjour! ¡Buenos días! DVD-V DVD-A DVD-A Selecting a playback audio setting Selecting audio streams of DVD audio discs Press AUDIO during playback.
  • Page 45 Output sound conversion table Multi channel sounds 2 channel stereo sounds BITSTREAM/PCM Output 5.1CH AUDIO ANALOG OUT Jacks BITSTREAM/PCM jack jack 2CH AUDIO “Digital Output” ANALOG OUT 56 61 56 62 “ Pro Logic” “Digital Output” Input Jacks 56 62 “On”...

  • Page 46: Quick Control

    Quick control Simple use of a single button and the direction buttons enables you to direct your playback, without manipulating many actual buttons. Using the Graphic Remote Control - V-REMOTE - Selecting the Playback Function - QUICK - Accessing Features - NAVI -...

  • Page 47: Using The Graphic Remote Control

    Quick control Using the Graphic Remote Control - V-REMOTE - Pressing one button can display a graphics based on-screen remote control that allows you to control playback as if you were doing it from the actual remote control. DVD-V DVD-A Using the graphic remote control Icons and features During playback, press V-REMOTE.

  • Page 48: Selecting The Playback Function - Quick

    Selecting the Playback Function - QUICK - Pressing one button can display a list of playback functions which are relevant to your current playback mode. You can check and modify them from the list. 2 - 5 DVD-V DVD-A Selecting the playback function During playback, press QUICK.

  • Page 49: Accessing Features - Navi

    Quick control Accessing Features - NAVI - The NAVI menu provides an icon based display from which you can easily access key playback function or setting. DVD-V DVD-A NAVI menu items To exit the NAVI menu Press NAVI. Press NAVI. The NAVI menu appears.
  • Page 50 Navi menu selections You can divide a desired scene into stop action frames for careful STROBE VIEWER analysis. You can change the default settings to customize performance to SETUP your preference. You can display thumbnail views of the first scenes of titles or PREVIEW chapters and select a preferred one.
  • Page 51 Quick control Accessing Features - NAVI - (continued) NAVI menu items STROBE VIEWER PREVIEW You can divide a desired scene into You can display thumbnail views of stop action frames for careful the first scenes of titles or chapters analysis. and select a preferred one.
  • Page 52 CAPTURE ANGLE VIEWER You can sample a scene from a You can display all camera angles playback picture and transform it into simultaneously and select your a background picture. preferred one from them. After selecting this icon and pressing ENTER, the After selecting this icon and pressing ENTER, the following on-screen display appears: following on-screen display appears:...
  • Page 53 Quick control Accessing Features - NAVI - (continued) NAVI menu items PICTURE SETTING 3 Press ENTER. You can fine adjust picture quality The sub menu appears. and store up to 3 custom picture settings in the memory of the DVD 4 Press to adjust the value, and press ENTER.
  • Page 54 DISPLAY CLOSED CAPTION You can view information about a You can display closed caption disc and its operational status on the included on a DVD disc without TV screen. connecting a closed caption decoder to your TV. After selecting this icon and pressing ENTER, the following on-screen display appears: After selecting this icon and pressing ENTER, the following on-screen display appears:...

  • Page 55: Function Setup

    Function Setup You can change the default settings to customize performance to your preference. Customizing the Function Settings Table of Languages...

  • Page 56: Customizing The Function Settings

    Function setup 1, 6 Customizing the Function Settings You can change the default settings to customize performance to your preference. 2, 3, 4 RETURN DVD-V DVD-A Setting procedure Press to select the setting you Press SETUP during stop. want to change, then press ENTER. The following on-screen display SETUP appears.
  • Page 57 Setting Details Page TV Shape To select a picture size according to the aspect DVD-V ratio of your TV. Progressive 4:3 Output To select the video output of pictures recorded DVD-V in 4:3 format. (Only when connected to a PROGRESSIVE TV.) Progressive Conversion DVD-V To select the system of output signal.
  • Page 58 Function setup Customizing the Function Settings (continued) Setting Details Page DVD-V DVD-A On-Screen Displays To turn on or de-activate the operational status display on the TV screen. DVD-V DVD-A Background To select the background color or background picture. Screen Saver DVD-V To turn the screen saver on or off.

  • Page 59: Setting Details

    Setting details Progressive 4:3 Output DVD-V VCD Picture Select the video output of pictures recorded in 4:3 TV Shape 4:3 LB Progressive 4:3 Output Full format. (Only when connected to a PROGRESSIVE Progressive Conversion Auto TV.) PAL/Auto Video Out Select Video Pause/Still Auto...
  • Page 60 Function setup Customizing the Function Settings (continued) Setting details PAL/Auto DVD-V VCD Audio PAL: To play a PAL disc. Connect a PAL TV to view a PCM Down Sampling Analog Output Stereo picture. Digital Output Bitstream Auto: The DVD player automatically identifies PAL or Dynamic Range Control On Karaoke Vocal NTSC video system of a disc.
  • Page 61 C (Center) Speaker Analog Output DVD-V DVD-A Off: When center speaker is not connected. On: When you connect center speaker. To select the output format of analog signal corresponding to your system connection. S (Surround) Speaker For details of sound recording systems, see Off: When surround speakers are not connected.
  • Page 62 Function setup Customizing the Function Settings (continued) Setting details (Continued) Digital Output DVD-V DVD-A Surround Channel Delay To select the output format of digital signal 0msec: When Df equals Ds. corresponding to your system connection. 1msec: When (B) is approx. 34 cm (13 inch) For details of sound recording systems, see 2msec: When (B) is approx.
  • Page 63 Audio Language DVD-V Language English: To play sound tracks in English. On-Screen Language ENG Disc Menu Language French: To play sound tracks in French. Audio Language German: To play sound tracks in German. Subtitle Language – – – Spanish: To play sound tracks in Spanish. Italian: To play sound tracks in Italian.
  • Page 64 Function setup Customizing the Function Settings (continued) Setting details (Continued) Display 3) Press the buttons to shift and select the On-Screen Displays On second character by pressing the buttons. Background Gray Screen Saver Language On-Screen Language ENG English Disc Menu Language French Audio Language German...
  • Page 65 1) Press the number buttons to create a personal 4-digit security code, then press the ENTER Operation button. Parental Lock Remote Confirmation If you make a mistake before pressing the Title/Group Stop ENTER button, press the CLEAR button and Priority Contents 1 DVD-AUDIO enter your 4-digit security code again.
  • Page 66 Function setup Customizing the Function Settings (continued) Setting details (Continued) Remote Confirmation DVD-V DVD-A 3) Pressing the buttons to select the Off: The beeper does not sound. parental lock level, then press the ENTER On: The beeper sounds with each remote operation. button.
  • Page 67 Initialize All settings will be restored to pre-set Exit levels. Initialize DVD-V DVD-A To restore all settings to the factory set. 1) Press the buttons to select “Yes,” and press the ENTER button. ENTER ENTER 2) Read the message, and if you really want to restore all settings, press the buttons to select “Yes,”...

  • Page 68: Table Of Languages

    Function setup Table of Languages Table of languages and their abbreviations Abbreviation Language Abbreviation Language Abbreviation Language – – – No alternate Guarani Portuguese language Gujarati Quechua CHI (ZH) Chinese Hausa Rhaeto-Romance DUT (NL) Dutch Hindi Kirundi ENG (EN) English Croatian Rumanian FRE (FR)

  • Page 69: Others

    Others Operating a TV with the Remote Control Before Calling Service Personnel Specifications...

  • Page 70: Operating A Tv With The Remote Control

    The DVD remote control memorizes the selected brand code. Notes • The remote control is programmed at the factory to operate TOSHIBA TVs. • A single brand may use different codes depending on the particular model. Enter the correct number referring to the brand code table.
  • Page 71 Brand code table Brand name Brand code Brand name Brand code TOSHIBA 0001 0071 0211 0571 OCEANIC 0481 AIWA 0921 ORION 0001 0191 0231 0361 0411 AKAI 0201 0241 0331 0431 0501 0441 0451 0501 0551 0611 0521 0641 PANASONIC...

  • Page 72: Before Calling Service Personnel

    Others Before Calling Service Personnel Check the following guide for the possible cause of a problem before contacting service. Symptoms and correction Symptom Cause Correction Page No power. • The power plug is disconnected. • Connect the power plug securely into the wall outlet.

  • Page 73: Specifications

    Specifications DVD player / outputs / supplied accessories DVD player Power supply 100 – 240 V AC, 50/60 Hz Power consumption 19 W Mass 2.5 kg 430 × 69 × 219 mm (W/H/D) External dimensions Signal system PAL/3.58 NTSC Laser Semiconductor laser, wavelength 650 nm / 780 nm Frequency range DVD linear sound : 48 kHz sampling 4 Hz to 22 kHz...
  • Page 74 2. LOCATION OF MAIN PARTS AND MECHANISM PARTS 2-1. Location of Main Parts Disc motor PC board Feed motor PC board EU02 Power supply PC board EU09 Output-RGB PC board EU05 Output PC board EU04 Power SW PC board EU01 Main PC board EU03 Front display PC board Loading motor PC board Fig.
  • Page 75 2-2. Location of Mechanism Parts 2-2-1. Type A Tray Clamper stay Fig. 1-2-2 Mechanism chassis assembly (Top side) Loading motor PC board Mechanism chassis Fig. 1-2-3 Mechanism chassis assembly (Bottom side)
  • Page 76 Loading belt Gear Gear Gear Loading motor Clamper Cam Slider Fig. 1-2-4 Mechanism chassis assembly (Internal side)
  • Page 77 Disc motor Rack gear assembly Pickup assembly Gear A Gear B assembly Sub chassis Fig. 1-2-5 Pickup mechanism chassis assembly (Top side) Front damper Front damper Feed motor Feed motor PC board Rear damper Rear damper Fig. 1-2-6 Pickup mechanism chassis assembly (Bottom side)
  • Page 78 2-2-2. Type B Tray Clamper stay Fig. 1-2-7 Mechanism chassis assembly (Top side) Loading motor PC board Mechanism chassis Fig. 1-2-8 Mechanism chassis assembly (Bottom side)
  • Page 79 Loading belt Gear Kick lever Gear Gear Loading motor Disc motor Cam Slider Fig. 1-2-9 Mechanism chassis assembly (Internal side)
  • Page 80 Front damper Front damper Rack gear assembly Pickup assembly Gear A Gear B assembly Sub chassis Rear damper Rear damper Fig. 1-2-10 Pickup mechanism chassis assembly (Top side) Feed motor Feed motor PC board Fig. 1-2-11 Pickup mechanism chassis assembly (Bottom side)
  • Page 81 3. TROUBLESHOOTING 3-1. Main Circuit 3-1-1. Servo System (1) Initial Operation after Power ON Power ON Send each LSI hard RST command and initial command. Pickup head is positioned at transmission initial position. Is tray closed? Pin 5 of CN502, TCLS=L Tray close operation Pin C9 of IC306 (E537): LDMP = H/L...
  • Page 82 The pickup transmission initial operation is carried out to determine the initial position by transmitting the pickup to the innermost position once (start-limit switch (pin 4 of CN503) Pickup (P.U.) transmission initial develops "L".) and to the external direction at low speed operation does not occur.
  • Page 83 Disc kind misjudgement (Initial setting is NG.) Are FE and RFSB signals for each disc normal? Check IC502. Lens cleaning. Check peripheral Replace pickup head. circuit of IC605. Fig. 1-3-4 Laser operating current DVD Iop 20mA 35mA 60mA 20mA 45mA 80mA CD Iop Check laser operating current.
  • Page 84 (2) Picture appears (PLAY) PLAY Disc motor (D.M.) forced accelleration (500 ms) Focus search Repeat three times. Is forcus servo CLV servo ON. Tracking balance adjustment Tracking servo ON. Focus gain adjustment Automatic adjustment is carried out when a disc is replaced after power ON.
  • Page 85 Disc motor (D.M.) does not rotate. Does pin 117 of IC401 (TP409) PLCK oscillate around 10 MHz ? Check peripheral Check peripheral circuits circuit of IC402. of IC402. Check disc motor and wiring. Fig. 1-3-10 Focus servo is NG. Focus servo ON signal waveform Are FE, RFSB, FE signal...
  • Page 86 Tracking servo is NG. Is TE signal normal? Check peripheral Check IC502. circuit of IC306. Fig. 1-3-13 Signal waveform at Signal waveform at tracking servo ON (CD) tracking servo ON (DVD) TE signal Pin 151 (TP406) of IC401 1.65V RFRP signal Pin 153 (TP408) of IC401 Search ON (SRCH) Pin 38 (TP411) of IC401...
  • Page 87 Does pulse of Disc playback is NG (DVD). L = 1.65V and H = 3.3V develop at pin 131 and L = 0V and H = 1.65V develop at pin 132 of IC401? Is PLL locked? Check peripheral circuits (Refer to waveforms.) of IC401 and IC306.
  • Page 88 3-1-2. Location Diagram of Servo Test Point CN503 CN501 CN701 IC503 IC502 CN502 IC902 CN603 CN901 IC312 CN601 CN302 IC401 IC313 IC310 IC305 IC307 IC306 Fig. 1-3-21...
  • Page 89 SECTION 2 PART REPLACEMENT AND ADJUSTMENT PROCEDURES CAUTIONS BEFORE STARTING SERVICING Electronic parts are susceptible to static electricity and may easily damaged, so do not forget to take a proper grounding treatment as required. Many screws are used inside the unit. To prevent missing, dropping, etc. of the screws, always use a magnetized screw- driver in servicing.
  • Page 90 1-1-4. Tray <Tray Panel Removal> 1. Pull out the tray (1) towards you until it stops. 1. Eject the tray (1). (Refer to item 1-1-2.) 2. Lift up claw A with a minus screwdriver, and pull out 2. Twist the tray panel (2) a little in the arrow A direction the tray (1) towards you, then remove the tray (1).
  • Page 91 1-2. PC Board Replacement 1-2-2. Output PC Board 1. Remove the top cover. (Refer to item 1-1-1.) 1-2-1. Main PC Board 2. Peel off three tapes (1) and remove the connector (2). Note: 3. Remove three flexible cables (3). • Before removing the main PC board (4), be sure to 4.
  • Page 92 1-2-3. Power PC board 1-2-4. Front PC Board 1. Peel off three tapes (1) and remove three connectors 1. Remove the front panel. (Refer to item 1-1-3.) (2). 2. Remove the flexible cable (1). 2. Remove four screws (3), then remove the power 3.
  • Page 93 1-2-5. Output-RGB PC Board 1-3. Mechanism Parts 1. Eject the tray slightly. 1-3-1. Mechanism Chassis Assembly 2. Peel off the tape (1). Note: 3. Remove the connector (2) and the flexible cable (3). • When removing the mechanism chassis assembly (3), 4.
  • Page 94 2. REPLACEMENT OF MECHANICAL PARTS (TYPE B) 2-1. Cabinet Replacement <Mounting > 1. The spring for tray side pressure is inserted into the 2-1-1. Top Cover portion “A”. (Refer to Fig. 2-1-14.) 1. Remove seven screws (1), then remove the top cover (2).
  • Page 95 2-1-3. Tray Panel <Tray Ejection> Tray (3) 1. Slide the slider (2) of the mechanism chassis assembly (1) with a screwdriver, etc. in the arrow direction, so that the tray (3) is ejected. Tray Note: panel (4) • Take care not to damage the pickup and other parts. Tray (3) Tray Claw...
  • Page 96 • Confirm that the mark of the gear matches with the 2-2. PC Board Replacement triangle mark on the reverse side of the tray in the tray 2-2-1. Main PC Board close status. (The gear is rotated with the slider locks.) Note: (Refer to Fig.
  • Page 97 2-2-2. Output PC Board 2-2-3. Power PC board 1. Remove the top cover. (Refer to item 2-1-1.) 1. Peel off three tapes (1) and remove three connectors (2). 2. Peel off three tapes (1) and remove the connector (2). 2. Remove four screws (3), then remove the power 3.
  • Page 98 2-2-4. Front PC Board 2-2-5. Output-RGB PC Board 1. Remove the front panel. (Refer to item 2-1-4.) 1. Eject the tray slightly. 2. Remove the flexible cable (1). 2. Peel off the tape (1). 3. Remove nine screws (2), then remove the front display 3.
  • Page 99 2-3. Mechanism Parts 2-3-1. Mechanism Chassis Assembly Note: • When removing the mechanism chassis assembly (3), be sure to short-circuit the laser diode output land before removing the connector and the flexible cables. After replacing, open the land as it was after inserting the connector and flexible cables.
  • Page 100 SECTION 3 SERVICING DIAGRAMS 1. STANDING PC BOARDS FOR SERVICING EU02 Power supply PC board EU01 Main PC board EU09 Output-RGB PC board EU05 Output PC board EU04 Power SW PC board EU03 Front display PC board Fig. 3-1-1...
  • Page 101 2. CIRCUIT SYMBOLS AND SUPPLEMENTARY EXPLANATION 2-1. Precautions for Part Replacement • In the schematic diagram, parts marked (ex. • Using the parts other than those specified shall violate the regulations, and may cause troubles such as F801) are critical part to meet the safety regulations, operation failures, fire etc.
  • Page 102 2-4. Inductor Indication Eg. 4 ... Η Unit None µ ... µH ... mH Tolerance None ... ±5% ... ±0.1% ... ±0.25% ... ±0.5% ... ±1% Type name ... ±2% ... ±10% ... ±20% Fig. 3-2-4 2-5. Waveform and Voltage Measurement Eg.
  • Page 103 3. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM CNY01 AUDIO-I/F CNX01 CNY01 OUTPUT 52806-1410 VIDEO-I/F (Board-in) AUDIO-I/F 52806-1910 CNY02 52806-1510 FFC 1mm 19P Press-Fit 5P FFC 1mm 14P FFC-19P-L70 FFC 1mm 15P FFC-14P-L180D WIRE-05P-L290 PM0003473010 FFC-15P-L70 PM0005624010 PM0003469010 PM0003474010 CN901 CN302 AUDIO I/F VIDEO I/F CNV01 RGB I/F...
  • Page 104 SECTION 4 PARTS LIST SAFETY PRECAUTION The parts identified by ! ( ) mark are critical for safety. Replace only with part number specified. The mounting position of replacement is to be identical with originals. The substitute replacement parts which do not have the same safety characteristics as specified in the parts list may create shock, fire or other hazards.
  • Page 105 4. EXPLODED VIEWS 4-1. Packing Assembly ZF23 ZF30 ZF10 (SD-520ESE/EKE) ZF11 ZF13 ZF20 ZF01 ZK04 ZF23 (SD-520ESB) ZK02 ZK01 ZK02 Note: The shape of the packing material is sometimes different. Fig. 4-4-1...
  • Page 106 4-2. Chassis Assembly (Type A) ZG60 ZG60 BID 3.0x6.0 BID 3.0x6.0 ZG27 ZG63 ZG20 ZG67 ZG64 ZG60 BID 3.0x6.0 EU02 ZG67 W503 ZG64 W502 W302 EU05 EU01 W501 ZG60 BID 3.0x6.0 ZG71 ZG22 ZG71 ZG68 W102 EU04 EU09 ZG09A ZG09 WV01 EU03 ZG69...
  • Page 107 4-3. Mechanism Assembly (Type A) W5.2P0.2D10 MC14 MC33 MC12 MC11 MC63 BID 2.6x4.0 MC65 MC01 MC10 BID 2.6x8 MP02 ZG63 PAN 2.0x5 MP60 MP16 PAN 1.7x4.0 MP92 MC03 MP37 MP91 MP65 PAN 1.7x3 MP37 MP36 RM01 MP01 MP36 FM01 EU05 MD01 Fig.
  • Page 108 4-4. Chassis Assembly (Type B) ZG60 ZG60 BID 3.0x6.0 BID 3.0x6.0 ZG27 ZG63 ZG20 ZG67 ZG64 ZG60 BID 3.0x6.0 EU02 ZG67 W503 ZG64 W502 W302 EU05 EU01 W501 ZG60 BID 3.0x6.0 ZG71 ZG22 ZG71 ZG68 W102 EU04 EU09 ZG09A ZG09 WV01 EU03 ZG69...
  • Page 109 4-5. Mechanism Assembly (Type B) MC61 BID 2.6x8.0 MP01 MP60 PAN 2.0x5 MP91 MP16 PAN 1.7x4.0 MC04 MP61 MP92 PAN 2.6x15 MP37 MC03 MP65 PAN 1.7x3 MP37 MP36 MC63 MC12 BID 2.6x3.5 MC11 MC14 MC33 MP36 FM01 EU05 MC10 MC65 BID 2.6x8 ZG63 MC01...
  • Page 110 79077236 Manual,Viewer Germam/French,ESE/EKE ! ZF23 79088009 Power Cord SD-520ESB ! ZF23 79088010 Power Cord SD-520ESE/EKE ZG01 P000355520 Front Panel(Black) SD-520EKE ZG01 P000355530 Front Panel(Silver)SD-520ESE/ESB ZG03 79071267 Panel,Tray(Silver) SD-520ESE/ESB ZG03 79071269 Panel,Tray(Black) SD-520EKE ZG09 79071276 Key,Cursor(Black) SD-520EKE ZG09 79071275 Key,Cursor(Silver) SD-520ESE/ESB...
  • Page 111 LOCATION PART LOCATION PART NUMBER NUMBER DESCRIPTION NUMBER NUMBER DESCRIPTION D826 79060089 Diode HT16G - ELECTRICAL PARTS - D827 79060070 Diode HT15G D828 79060070 Diode HT15G D829 79060072 Diode 1N4005S EU01 P000355490 PC Board Assy Main D830 79060080 Diode AK06 - INTEGRATED CIRCUITS - D831 79060080...
  • Page 112 LOCATION PART LOCATION PART NUMBER NUMBER DESCRIPTION NUMBER NUMBER DESCRIPTION QY02 79050014 Transistor,Chip HN1C03F QY03 79050043 Transistor,Chip RN1402 QY04 79050001 Transistor,Chip RN2402 QY05 79050001 Transistor,Chip RN2402 QY06 79050001 Transistor,Chip RN2402 QY07 79050043 Transistor,Chip RN1402 QY08 79050014 Transistor,Chip HN1C03F QY09 79050001 Transistor,Chip RN2402 QY10...
  • Page 114 FILE NO. 810-200208 SERVICE MANUAL DIGITAL VIDEO DVD VIDEO/AUDIO PLAYER SD-520ESE SD-520EKE SD-520ESB Sep., 2002...
  • Page 115 4. BLOCK DIAGRAMS 4-1. Overall Block Diagram Data/Control Bus DVD AV Data SP DIF Data MAIN PROCESSOR UNIT AUDIO/VIDEO OUTPUT UNIT IC402 M11B11664A-30T 1M-DRAM Coaxial Digital Buffer TOS Link Digital Tray IC401 Audio Out Motor TC94A03F ICY02 RF Amp. Feed TC74HCU04A 1chip-SERVO Motor...
  • Page 116 4-2. Power Supply Block Diagram Fig. 3-4-2...
  • Page 117 4-3. Front Display, Power Switch Block Diagram 4-3-1. Front Display col2 col1 Fig. 3-4-3 (7G-2G) 4-3-2. Front Display Pattern col2 col1 Fig. 3-4-4...
  • Page 118 4-3-3. Front Display, Power Switch Block Diagram A101 HUV-08SS38T 8-BT-230GNK EU03 MAIN EU01 FRONT DISPLAY F(-) F(+) G1 G2 G3 G4 G6 G7 S18 S17 S16 S15 S14 S13 S12 S11 S10 S9 CN101 CN603 EVER+5V EVER+5V Vkk (-34V) To POWER F(-) F(+) IC101...
  • Page 119 4-4. Main Block Diagrams 4-4-1. Servo System Block Diagram 3# 27,-6 1+!$ Fig.3-4-6...
  • Page 120 4-4-2. Logical System Block Diagram OUTPUT UNIT IC401 IC306 TC94A03F ZR36750 DATA PRO-1 AV 1 CHIP PROCESSOR CN302 CNX01 From CVBS IC502 RFDVD PIN30 DISC STREAM DATA 8bit Y (I/P) G IC902 AD1958 AUDIO DAC CN901 CNY01 PDCK PDCK ALRCK0 LRCK LOUT VOUTL...
  • Page 121 4-5. Output Block Diagrams 4-5-1. Output Block Diagram EU01 ICX01 MAIN JX02 MM1568AJBE VIDEO DRIVER CR SIGNAL VOUT 31 CNX01 CB SIGNAL C-IN/OUTPUT COUT 33 Y-IN/OUTPUT YOUT 28 YIN1 To MAIN SIGNAL Cb(I/P)-IN/OUTPUT OUT 20 Cr(I/P)-IN/OUTPUT OUT 22 JX01 COMPOSITE COMPOSITE VIDEO VIDEO SIGNAL...
  • Page 122 4-5-2. Output-RGB Block Diagram Fig. 3-4-9...
  • Page 123 5. CIRCUIT DIAGRAMS 5-1. Power Supply Circuit Diagram OFF : POWER EU02 AC230V in 50Hz PLAY : [ (5.1) [5.1] 13.0 (12.9) [12.9] (321) (5.8) [320] [5.8] (4.7) [4.7] (2.9) 10.1 [3.0] (10.4) [10.1] -9.1 (-9.3) [-9.3] (8.9) [8.5] -41.4 (-42.2) [-42.3] 12.2...
  • Page 124 Power Supply Circuit Diagram Drain-Sourse Q801 ON MODE AC 230V 50 Hz IN V:200 V/div H:5 µs/div Gate-Sourse Q801 ON MODE AC 230V 50 Hz IN V:5 V/div H:5 µs/div Fig. 3-5-2...
  • Page 125 5-2. Front Display, Power Switch Circuit Diagram FRONT EU03 POWER SW EU04 Fig. 3-5-3...
  • Page 126 Front Display, Power Switch Circuit Diagram IC101, Pin IC101, Pin X-OUT V: 2 V/div V: 2 V/div H: 100 ns/div H: 100 s/div IC101, Pin IC101, Pin V: 2 V/div V: 10 V/div H: 5 ms/div H: 500 s/div IC101, Pin IC101, Pin V: 2 V/div V: 10 V/div...
  • Page 127 5-3. Main Circuit Diagrams 5-3-1. Main ICs Information TMP87CH75F TC74VHCT 244AFT S24C02AFJA W986432DH MBM29DL3240BE BH7863 MM1568AJ AD1958YRS...
  • Page 128 5-3-2. Main Circuit Diagram Fig. 3-5-5...
  • Page 129 5-3-2. Main Circuit Diagram...
  • Page 136 Fig. 3-5-5...
  • Page 137 5-4. Output Circuit Diagrams 5-4-1. Output Circuit Diagram Fig. 3-5-6...
  • Page 138 5-4. Output Circuit Diagrams 5-4-1. Output Circuit Diagram...
  • Page 143 Fig. 3-5-6...
  • Page 144 Output Circuit Diagram JX01 L ch output JX01 Composite / R ch output video output (1 kHz, FS) CVBS output L ch output terminated 100% color bar R ch output V: 500 mV/div V: 2 V/div H: 200 s/div H: 20 s/div JX01 JX01 COAXIAL...
  • Page 145 5-4-2. Output-RGB Circuit Diagram Fig. 3-5-8...
  • Page 146 5-5. Motor System Circuit Diagram Fig. 3-5-9...
  • Page 147 6. PC BOARDS 6-1. Power Supply PC Board Part Loca- Part Loca- tion tion C801 P801 C802 Q801 C803 Q802 C804 Q804 C805 Q821 C806 Q822 P802 C807 Q823 T801 F801 C808 Q824 C809 Q825 C811 Q826 C812 Q827 C821 Q828 C822 Q830...
  • Page 148 6-2. Power Switch PC Board Fig. 3-6-2 EU04 Fig. 3-6-3 EU04 Power Switch PC Board Power Switch PC Board (Top side) (Bottom side) Part Loca- tion C181 C182 CN103 D181 FG107 Q181 Q182 R181 R182 R183 R184 R185 R186 S181...
  • Page 149 6-3. Main PC Board CN503 CN501 E704 CN701 F-MARK2 E504 E517 E531 E529 E555 E557 E502 E501 E508 E510 E512 E514 E516 E506 E520 E521 E703 E702 E701 E715 E714 E713 E712 E706 E705 E709 E708 E518 E532 E530 E528 E554 E556 E558...
  • Page 150 Main PC Board (Top Side) Part Loca- Part Loca- Part Loca- Part Loca- Part Loca- tion tion tion tion tion C312 E304 E525 E617 R405 C314 E305 E526 E618 R406 C318 E306 E527 E619 R407 C320 E307 E528 E651 R408 C321 E308 E529...
  • Page 151 Main PC Board (Bottom Side) Part Loca- Part Loca- Part Loca- Part Loca- tion tion tion tion C301 C523 R311 R430 C302 C526 R312 R432 C303 C528 R313 R436 C304 C530 R314 R438 C305 C532 R315 R442 C306 C533 R316 R443 C307 C534...
  • Page 152 C706 C715 R504 R503 C505 F-MARK4 R551 R506 C502 C503 C539 R528 Q501 C521 R527 R507 R529 R501 R540 R532 C508 R533 R523 Q506 C532 C533 C534 C515 C530 R535 C417 C918 R906 R908 Q503 R909 C406 C919 C917 C403 R609 C305 R606...
  • Page 153 CN503 CN501 E704 CN701 F-MARK2 E504 E517 E531 E529 E555 E557 E502 E501 E508 E510 E512 E514 E516 E506 E520 E521 E703 E702 E701 E715 E714 E713 E712 E706 E705 E709 E708 E518 E532 E530 E528 E554 E556 E558 E503 E507 E509 E511...
  • Page 154 C706 C715 C505 R504 R503 F-MARK4 R506 R551 C502 C503 C539 R528 Q501 R527 C521 R507 R529 R501 R540 R532 C508 R533 R523 Q506 C532 C533 C534 C515 C530 R535 C417 C918 R906 R908 Q503 R909 C406 C919 C917 C403 R609 C305 R606...
  • Page 155 6-4. Output PC Board Part Loca- Part Loca- tion tion ICY04 JY01 JX02 JX01 CNX01 B3 CY12 CNX02 A3 CY18 CNX03 B3 CY19 CNY01 B2 CY24 SX01 CNY02 B1 CY25 CX04 CY26 CX05 CY27 CX06 CY29 CX07 CY30 CX09 CY32 CX10 CY33 CX11...
  • Page 156 6-5. Output-RGB PC Board Part Loca- Part Loca- tion tion CNV01 A1 JP04 CNV02 A3 JP05 CV02 JP06 CV20 CV05 JP07 JP13 CV07 JP08 CV09 JP09 CV11 JP10 CV12 JP11 CV14 CV13 JP12 CV14 JP13 JP12 CV18 JP14 JP15 CV19 JP15 CV20 JP16...
  • Page 157 6-6. Front Display PC Board Part Loca- Part Loca- Part Loca- Part Loca- Part Loca- Part Loca- Fig. 3-6-12 EU03 Front Display PC Board (Top Side) tion tion tion tion tion tion A101 C123 JW03 JW21 R122 R148 BZ101 CN101 C9 JW04 MT101 C4 R123...

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