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Toshiba SD-2300 Service Manual
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Toshiba SD-2300 Service Manual

Toshiba SD-2300 Service Manual

Dvd video player
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FILE NO. 810-200019
SERVICE MANUAL
DVD VIDEO PLAYER
SD-2300
5
Feb., 2001

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Summary of Contents for Toshiba SD-2300

  • Page 1 FILE NO. 810-200019 SERVICE MANUAL DVD VIDEO PLAYER SD-2300 Feb., 2001...

  • Page 2: Preparation Of Servicing

    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 recceived. 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: Safety Precautions

    SAFETY NOTICE SAFETY PRECAUTIONS LEAKAGE CURRENT CHECK Measure the AC voltage across the 1500 Ω resistor. Plug the AC line cord directly into a 120V AC outlet (do not use an isolation transformer for this check). Use an The test must be conducted with the AC switch on and AC voltmeter, having 5000 Ω...

  • Page 4: Table Of Contents

    CONTENTS SECTION 1 GENERAL DESCRIPTIONS 3. TROUBLESHOOTING 1. OPERATING INSTRUCTIONS Specifications 3-1. Main Circuit 3-1-1. Servo System 2. LOCATION OF MAIN PARTS AND 3-1-2. Location Diagram of Servo Test Point MECHANISM PARTS 2-1. Location of Main Parts 2-2. Location of Mechanism Parts SECTION 2 PART REPLACEMENT AND ADJUSTMENT PROCEDURES 1-2-4.

  • Page 5: Operating Instructions

    SECTION 1 GENERAL DESCRIPTIONS 1. OPERATING INSTRUCTIONS...

  • Page 6: Introduction

    - Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. - Consult the dealer or an experienced radio/TV technician for help. WARNING: Changes or modifications made to this equipment, not expressly approved by Toshiba, or parties authorized by Toshiba, could void the user’s authority to operate the equipment.
  • Page 7 Serial No. Retain this information for future reference. Location of the required label PRODUCT IS CERTIFIED BY THE MANUFACTURER TO COMPLY WITH DHHS RULE 21 CFR SUBCHAPTER J APPLICABLE AT THE DATE OF MANUFACTURE. MANUFACTURED TOSHIBA CORPORATION 1-1,SHIBAURA 1-CHOME,MINATO-KU. TOKYO 105-8001,JAPAN...

  • Page 8: 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. PLEASE READ THE OWNER’S MANUAL AND EXPLAIN THE CONTENTS TO ANY CHILDREN WHO MAY USE THIS PRODUCT.
  • Page 9 6. Water and Moisture Do not use this product near water - for example, near a bath tub, wash bowl, kitchen sink, or laundry tub; in a wet basement; or near a swimming pool and the like. 7. Cleaning Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners.
  • Page 10 Introduction IMPORTANT SAFETY INSTRUCTIONS 13. Accessories Do not place this product on an unstable cart, stand, tripod, bracket, or table. The product may fall, causing serious injury to a child or adult, and serious damage to the product. Use only with a cart, stand, tripod, bracket, or table recommended by the manufacturer, or sold with the product.
  • Page 11 19. Servicing Do not attempt to service this product yourself as opening or removing covers may expose you to dangerous voltage or other hazards. Refer all servicing to qualified service personnel. 20. Replacement Parts When replacement parts are required, be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part.

  • Page 12: Precautions

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

  • Page 13: 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. Audio CDs are divided into tracks. DVD video disc DVD video disc Title 1...

  • Page 14: 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 video player can play the following discs. this DVD video player. Some DVD video discs are Maximum produced in a manner that allows specific or limited Disc Disc Mark Contents...

  • Page 15: Table Of Contents

    Table of Contents Introduction Advanced playback SAFETY PRECAUTIONS ......2 Accessing a Specific Location Directly .. 34 Entering the time of the desired location ..34 IMPORTANT SAFETY INSTRUCTIONS ... 4 Playing Repeatedly ......... 35 Precautions ..........8 Repeating a title, chapter, or track ....35 Notes on Discs ..........

  • Page 16: Identification Of Controls

    Introduction Identification of Controls See the page in for details. Front panel PAUSE button POWER indicator Disc tray STOP button PLAY button PLAY PAUSE STOP POWER NUON PORT OPEN/CLOSE SKIP NUON1 NUON2 POWER button DVD display SKIP buttons NUON port OPEN/CLOSE button Rear panel VIDEO OUT jack...

  • Page 17: Dvd Display

    Repeated pressing of the FL DIMMER button on DVD display the remote control changes the brightness of the display. Normal Dimmed FL DIMMER Total playing time/remaining time/ Chapter/track number indicator elapsed time indicators Title number indicator Memory playback indicator Random playback indicator HDCD indicator TITLE GROUP...

  • Page 18: 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 POWER button OPEN/CLOSE button POWER OPEN/CLOSE NAVI button QUICK SETUP NAVI QUICK button SETUP button ANGLE SUBTITLE AUDIO...

  • Page 19: 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 (23 feet) Insert batteries (AAA size). ENTER Distance: About 7 m (23 feet) from the front of the remote sensor Angle: About 30°...
  • Page 20 Introduction...

  • Page 21: Connections

    Connections Read this chapter first to make all necessary preparations. Connecting to a TV Connecting to an audio system and TV equipped with component video inputs Connecting to an amplifier equipped with a Dolby Digital decoder Connecting to an amplifier equipped with Dolby Pro Logic Surround Connecting to an amplifier...

  • Page 22: Connecting To A Tv

    Connections Connecting to a TV Connect the DVD video player to your TV. For details of output sound, see Connecting to a TV Signal flow AC IN VIDEO OUT VIDEO AUDIO OUT BITSTREAM/ ANALOG To S VIDEO (yellow) (red) (white) To wall outlet To VIDEO To ANALOG AUDIO OUT...

  • Page 23: Connecting To An Audio System And Tv Equipped With Component Video Inputs

    Connecting to an audio system and TV equipped with component video inputs Signal flow AC IN VIDEO OUT VIDEO AUDIO OUT BITSTREAM/ ANALOG To P To P To Y (red) (white) To wall outlet VIDEO VIDEO VIDEO To ANALOG AUDIO OUT To audio inputs of the amplifier To Y video input (red)

  • Page 24: Connecting To Optional Equipment

    Connections Connecting to Optional Equipment You can enjoy high quality dynamic sounds by connecting the DVD video player to optional audio equipment. • For connection to your TV, see “Connecting to a TV” Warning 18 19 • When you are connecting (via the BITSTREAM/PCM •...

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

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

  • Page 26: Connecting To An Amplifier Equipped With A Dts Decoder

    Connections Connecting to Optional Equipment (Continued) Connecting to an amplifier equipped with a DTS decoder “DTS” and “DTS Digital Out” are Digital Theater Systems (DTS) trademarks of Digital Theater Systems, DTS is a high quality surround technology used in theaters and now available for Inc.

  • Page 27: Connecting To An Amplifier Equipped With A Digital Audio Input

    Connecting to an amplifier equipped with a digital audio input 2 channel digital stereo • Make the following setting. You can enjoy the dynamic sound of 2 channel digital stereo by connecting an On-screen display Select: Page amplifier equipped with a digital audio input and speaker system (right and left front speakers).
  • Page 29 Basic playback Begin your operation. Playing a Disc Locating a Specific Title, Chapter, or Track...

  • Page 30: Basic Playback Playing A Disc

    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. POWER indicator PAUSE STOP PLAY...

  • Page 31: Stop Button

    To obtain a higher quality picture 2, 4 Occasionally, some picture noise not usually visible during a normal broadcast may TOP MENU appear on the TV screen while playing a DVD video disc because the high 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 video player, you should generally reduce the sharpness adjustment on your TV when viewing DVD video discs.

  • Page 32: Playing In Fast Reverse Or Fast Forward Directions

    Basic playback Playing a Disc (continued) You can play discs at various speeds, and resume playback from the location where you stopped playback. PLAY STOP SLOW PAUSE/STEP Playing in fast reverse or fast forward directions To resume normal playback Press REV or FWD during playback. Press PLAY.

  • Page 33: Playing In Slow-Motion

    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 Notes SLOW during playback, you can view the •...

  • Page 34: Locating A Specific Title, Chapter, Or Track

    Basic playback Locating a Specific Title, Chapter, or Track Normally, DVD video discs are divided into titles, and the titles are sub-divided into chapters. Audio CDs are divided into tracks. You can quickly locate any specific title, chapter, or track. DVD video disc Title 1 Title 2...

  • Page 35: Locating A Specific Chapter Or Track Directly

    TOP MENU Cursor control/ ENTER SKIP PLAY CLEAR Number buttons Locating a specific chapter or track directly Press T. Press PLAY. PLAY Skip steps 1 and 2 if you are using an audio CD. Playback starts from the selected chapter or track. SEARCH Title : hapter :...

  • Page 37: Advanced Playback

    Advanced playback Customizing the performance of your DVD video player. Accessing a Specific Location Directly Playing Repeatedly Playing in a Favorite Order Playing in Random Order Zooming a Picture Selecting DNR Picture Enhancement Selecting the Camera Angle Selecting Subtitles Selecting a Language...

  • Page 38: 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). Entering the time of the desired location Notes Press T twice. • Some discs may not respond to this process. •...

  • Page 39: Playing Repeatedly

    Playing Repeatedly You can play a specific title, chapter, track, or segment repeatedly. CLEAR PLAY REPEAT A-B RPT Repeating a title, chapter, or track Press PLAY. Press REPEAT. The DVD video player starts repeat Each time you press the REPEAT PLAY REPEAT playback.

  • Page 40: Playing In A Favorite Order

    Advanced playback Playing in a Favorite Order You can combine your favorite titles, chapters, or tracks and play them in the Cursor control/ order you determine. You can program up to 30 selections into the memory. ENTER (Memory playback) CLEAR Title: 2 Title: 2 Title: 1...

  • Page 41: Playing In Random Order

    Playing in Random Order You can play titles, chapters within a title, or tracks in random order. (Random playback) CLEAR Title: 1 Chapter: 3 Title: 2 Title: 3 Chapter: 2 Chapter: 1 Playing titles, chapters or tracks in random order To resume normal playback Press RANDOM.

  • Page 42: Zooming A Picture

    Advanced playback Zooming a Picture You can magnify areas within a picture. Cursor control CLEAR ZOOM/ – / + Zooming a picture To resume normal playback Press ZOOM during normal, slow or Press ZOOM repeatedly so that “Zoom Off” appears. still playback.

  • Page 43: Selecting 3-D (N-2-2) Sound Enhancement

    Selecting 3-D (N-2-2) Sound Enhancement You can enjoy expansive virtual surround sound effects from just two speakers. Selecting 3-D (N-2-2) sound enhancement Notes Press 3D during playback. • You may sense a difference in volume between normal and 3-D (N-2-2) enhanced sound. The current setting is displayed.

  • Page 44: Selecting The Camera Angle

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

  • Page 45: Selecting Subtitles

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

  • Page 46: Selecting A Language

    Advanced playback Selecting a Language 1, 2 You can select a preferred language and sound recording system from those included on the DVD video disc. CLEAR Good morning! Bonjour! ¡Buenos días! Selecting a playback audio setting Notes Press AUDIO during playback. •...
  • Page 47 Output sound conversion table (sampling frequency/quantization bit) 56 58 Audio selection from the menu and output jacks on the rear panel Discs Sound recording system “Bitstream” “Analog 2ch” “PCM” BITSTREAM/PCM ANALOG AUDIO BITSTREAM/PCM ANALOG AUDIO BITSTREAM/PCM ANALOG AUDIO jack OUT jacks jack OUT jacks jack...

  • Page 49: Quick Control

    Quick control Simple use of a single button and the cursor control 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 50: 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. Using the graphic remote control During playback, press V-REMOTE.

  • Page 51: Selecting The Playback Function - Quick

    Selecting the Playback Function - QUICK - Pressing one button can display a list of playback functions which are relevant to 2, 3, 4 your current playback mode. You can check and modify them from the list. Selecting the playback function During playback, press QUICK.

  • Page 52: Accessing Features - Navi

    Quick control Accessing Features - NAVI - The NAVI menu provides an icon based display from which you can easily 2, 3 access key playback function. NAVI menu items Press NAVI. Press ENTER. The NAVI menu appears. Selection details appears. NAVI Feature icon ENTER...
  • Page 53 Navi menu selections V-Remote You can control key playback functions using the graphics based on-screen remote control. Navi Angle Viewer You can display all camera angles simultaneously and select your preferred one from them. Zoom You can magnify areas within a picture. You can divide a desired scene into stop action frames for careful analysis.
  • Page 54 Quick control Accessing Features - NAVI - (continued) NAVI menu items Angle Viewer You can display all camera You can divide a desired angles simultaneously and scene into stop action select your preferred one frames for careful analysis. Strobe Viewer from them.
  • Page 55 You can enjoy expansive You can display thumbnail virtual surround effects views of the first scenes of from just two speakers. titles or chapters and Preview select a preferred one. 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: e.g.
  • Page 56 Quick control Accessing Features - NAVI - (continued) NAVI menu items You can view a picture Capture You can sample a scene with less video noise. from a playback picture and transform it into a background picture. 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 57 3 Move the cursor control to select. ENTER Storing: To sample and store the current picture in the player memory. Revert: To restore the picture to its original condition. All the adjustment values return to 0 (center position). Exit : To quit the on-screen display.

  • Page 59: Function Setup

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

  • Page 60: Customizing The Function Settings

    Function setup Customizing the Function Settings 1, 6 You can change the default settings to customize performance to your 2, 3, 4 preference. RETURN Setting procedure Move the cursor control ( / ) to select Press SETUP during stop. the setting you want to change, then The following on-screen display SETUP press ENTER.
  • Page 61 Setting Details Page TV Shape To select a picture size according to the aspect ratio of your TV. Blacker than Black To make an adjustment of the black level on your TV using a commercially available test disc that contains adjustment signals. Black Level To select the black level of playback pictures.

  • Page 62: Setting Details

    Function setup Customizing the Function Settings (continued) Setting details Audio Picture Audio Out Select Bitstream TV Shape 4:3 LB Dynamic Range Control Blacker than Black Karaoke Vocal Black Level NRML CD Attenuation TV Shape Audio Out Select 4:3 Letterbox: Select when a standard 4:3 TV is Select the output sound format corresponding to your connected.
  • Page 63 Dynamic Range Control Language Off: Full dynamic range is maintained. On-Screen Language ENG On: Dynamic range is reduced. Disc Menu Language Audio Language Subtitle Language – – – Notes • This function works only during playback of Dolby Digital recorded discs. •...

  • Page 64: Audio Language Dvd

    Function setup Customizing the Function Settings (continued) Setting details Audio Language 3) Move the cursor control ( / ) to shift and select the second character by moving the English: To play sound tracks in English. cursor control ( / ). French: To play sound tracks in French.
  • Page 65 Display Operation On-Screen Displays On Pause/Still Auto Background Parental Lock Gray Remote Confirmation Screen Saver Title Stop Priority Contents On-Screen Displays Pause/Still Off: Operational modes (e.g. “Play”, “ ”) are not Auto: For normal use. Still and fast motion images displayed.
  • Page 66 Function setup Customizing the Function Settings (continued) Setting details (Continued) 3) Move the cursor control ( / ) to select the parental lock level, then press the ENTER 1) Press the number buttons to create a personal button. 4-digit security code, then press the ENTER button.
  • Page 67 Remote Confirmation Initial Setup On-Screen Language ENG Off: The beeper does not sound. TV Shape 4:3 LB On: The beeper sounds with each remote operation. Audio Out Select Bitstream Title Stop Off: The DVD video player continues after playback of a title is completed. On: The DVD video player stops after playback of a Initial Setup title is completed.

  • 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: Nuon Games And Peripherals

    NUON games and peripherals You can play a NUON game or operate NUON peripherals on this DVD video player. NUON NUON™ and the NUON logo are trademarks of VM Labs, Inc. Playing a NUON game disc or NUON peripheral Caution Insert a NUON disc into the DVD video •...
  • Page 70 Function setup NUON games and peripherals (continued) Playing a NUON game disc or NUON peripheral (continued) Notes • Pressing NUON button during a NUON game play displays a menu if it is contained in the playing NUON disc or in the connected NUON peripheral.

  • Page 71: Others

    Others Before Calling Service Personnel Specifications LIMITED WARRANTY DVD VIDEO PLAYER...

  • 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 video player / outputs / supplied accessories DVD Video Player Power supply 120 V AC, 60 Hz Power consumption 17 W Mass 3.0 kg 430 × 81 × 305 mm (W/H/D) External dimensions Signal system Standard NTSC Laser Semiconductor laser, wavelength 650 nm Frequency range DVD linear sound : 48 kHz sampling 4 Hz to 22 kHz...

  • Page 74: Limited Warranty Dvd Video Player

    LIMITED WARRANTY DVD VIDEO PLAYER Toshiba America Consumer Products, Inc. (“TACP”), Toshiba Hawaii (“THI”) and Toshiba Canada Limited (“TCL”) make the following limited warranties. These limited warranties extend to original purchaser or any person receiving this set as a gift from the original purchaser and to no other purchaser or transferee.
  • Page 75 Canadian consumers are requested to complete the special Canadian “Warranty Registration Form” enclosed, and forward this completed form with a copy of bill of sale to TOSHIBA OF CANADA to “Register and Validate” their warranty. Product must be purchased from an Authorized Canadian Dealer. Products purchased in the U.S.A. and used in Canada are not covered by these warranties.

  • Page 76: Location Of Main Parts

    2. LOCATION OF MAIN PARTS AND MECHANISM PARTS 2-1. Location of Main Parts Feed motor PC board EU01 Main PC board EU02 Power supply PC board EU05 Output PC board EU04 Power SW PC board EU53 PC Game Port PC board Disc motor PC board Loading motor PC board EU03 Front display PC board...

  • Page 77: Location Of Mechanism Parts

    2-2. Location of Mechanism Parts 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 78 Loading belt Gear Kick lever Gear Gear Loading motor Disc motor Cam Slider Fig. 1-2-4 Mechanism chassis assembly (Internal side)
  • Page 79 Front damper Front damper Pickup assembly Gear A Gear B assembly Sub chassis Rack gear assembly Rear damper Rear damper Fig. 1-2-5 Pickup mechanism chassis assembly (Top side) Feed motor Feed motor PC board Fig. 1-2-6 Pickup mechanism chassis assembly (Bottom side)

  • Page 80: Troubleshooting

    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 CN503, TCL=L Tray close operation Pin 16 of IC603: LDMP = H/L...
  • Page 81 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 CN502) Pickup (P.U.) transmission initial develops "L".) and to the external direction at low speed operation does not occur.
  • Page 82 Disc kind misjudgement Check laser current. (Initial setting is NG.) Are FE and RFSB 70 mA 10 mA Check laser current. signals for each disc normal? 10 mA 70 mA lop = Voltage between (E543 and E544)/10Ω Check pins 14, 15 Check wiring for Check peripheral and 16 of IC502...
  • Page 83 (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 84 Disc motor (D.M.) does not rotate. Does pin 117 of IC402 (TP410) PLCK oscillate around 10 MHz ? Check peripheral Check peripheral circuits circuit of IC401. of IC401. Check disc motor and wiring. Fig. 1-3-10 Focus servo is NG. Focus servo ON signal waveform Are FE, RFSB, FE signal...
  • Page 85 Tracking servo is NG. Is TE signal normal? Check peripheral Check IC502. circuit of IC603. Fig. 1-3-13 Signal waveform at Signal waveform at tracking servo ON (CD) tracking servo ON (DVD) TE signal Pin 151 (TP407) of IC402 1.65V RFRP signal Pin 153 (TP409) of IC402 Search ON (SRCH) Pin 38 (TP412) of IC402...
  • Page 86 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 IC402? Is PLL locked? Check peripheral circuits (Refer to waveforms.) of IC402 and IC603.

  • Page 87: Location Diagram Of Servo Test Point

    3-1-2. Location Diagram of Servo Test Point IC503 CN502 CN501 CN303 IC503 IC402 IC502 CN901 CN503 IC603 IC903 IC905 IC701 CN602 IC720 CN301 IC706 IC704 CN601 CN701 IC402 IC502 Fig. 1-3-21...

  • Page 88: Replacement Of Mechanical Parts

    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 89 1-1-3. Tray Panel <Mounting > <Tray Ejection> 1. The spring for tray side pressure is inserted into the portion “A”. (Refer to Fig. 2-1-2.) 1. Slide the slider (2) of the mechanism chassis assembly (1) with a screwdriver, etc. in the arrow direction, so 2.

  • Page 90: Front Panel And Tray

    • The gears are required to match their phases each other. Tray (3) After setting the gear as shown in the Fig. A, insert the tray (3). When inserting a tray (3), push the rack gear side shown by the arrow. (Refer to Fig. 2-1-7.) •...

  • Page 91: Pc Board Replacement

    1-2-1. Main PC Board 1-2. PC Board Replacement Note: Note: • Before removing the main PC board (4), be sure to • The flexible cable of the game port PC board may be short-circuit the laser diode output land. connected to the front PC board or to the main PC board.
  • Page 92 1-2-2. Output PC Board 1-2-3. Power PC board 1. Peel off the tape (1). 1. Peel off the tape (1). 2. Remove the connector (2). 2. Remove the connectors (2) and (3). 3. Disconnect two flexible cables (3). 3. Remove three screws (4). 4.

  • Page 93: Mechanism Parts

    1-2-4. Front PC Board 1-3. Mechanism Parts Note: 1-3-1. Mechanism Chassis Assembly • The flexible cable of the game port PC board may be Note: connected to the main PC board. (Refer to Fig. 2-1-9.) • When removing the mechanism chassis assembly (3), 1.
  • Page 94 1-3-2. Loading Belt 1-3-3. Loading Motor 1. Remove the gear (1) by releasing the claw. 1. Remove the loading belt. (Refer to item 1-3-2.) 2. Remove the gear (2). 2. Remove two screws (1) and two claws. Then remove the loading motor (2) (with the loading motor PC 3.
  • Page 95 1-3-4. Sub Chassis (with a pickup mechanism) 1-3-5. Pickup Mechanism Assembly 1. Turn the mechanism chassis assembly (1) upside down. <Removal> 2. Remove one screw (2) and release the boss “A” from the 1. Remove four screws (1) and then remove the pickup claw.
  • Page 96 1-3-6. Gear B Assembly, Gear A and Rack Gear Positioning holes Assembly Gear B assembly (1) Pickup Head (5) <Removal> 1. Remove one screw (1) and remove the gear B assembly (2). 2. Remove the gear A (3). 3. Remove one screw (4) and remove the rack gear assembly (5).
  • Page 97 1-3-7. Feed Motor <Removal> 1. Remove the gear B assembly (1) and the gear A (2). (Refer to item 1-3-6.) 2. Remove two screws (1) and remove the feed motor (2) (with the feed motor PC board (3) attached). (Refer to Fig. 2-1-23.) 3.

  • Page 98: Servicing Diagrams

    SECTION 3 SERVICING DIAGRAMS 1. STANDING PC BOARDS FOR SERVICING EU02 Power supply PC board EU05 Output PC board EU53 PC Game port PC board EU04 Power SW PC board EU03 Front display PC board EU01 Main PC board Fig. 3-1-1...

  • Page 99: Circuit Symbols And

    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 100: Inductor Indication

    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 101: Printed Wiring Board And Schematic Diagram

    3. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM EU05 OUTPUT CNY02 Board-in CNY01 CNX01 FFC 1mm 9P FFC 1mm 14P Press-fit W901 W301 CN901 CN301 Mechanism W501 FFC 1mm 18P CN802 VREF CN501 EU02 CN601 POWER FFC 1.25mm 6P W502 LDMP TOPN CN503 EU01 MAIN...

  • Page 102: Block Diagrams

    4. BLOCK DIAGRAMS 4-1. Overall Block Diagram Data/Control Bus DVD AV Data SP DIF Data MAIN PROCESSOR UNIT AUDIO/VIDEO OUTPUT UNIT IC401 X401 HY512264JC-50 22.5792MHz 2M-DRAM Xtal Coaxial Digital Buffer Audio Out ICY02 Tray TC74HCU04 Motor RF Amp. Feed IC903 Motor IC906 Integrated...
  • Page 103 4-2. Power Supply Block Diagram Fig. 3-4-2...
  • Page 104 4-3. Front Display, Power Switch Block Diagram 4-3-1. Front Display Fig. 3-4-3 4-3-2. Front Display Pattern Fig. 3-4-4...
  • Page 105 4-3-3. Front Display, Power Switch Block Diagram Fig. 3-4-5...
  • Page 106 4-4. Main Block Diagrams 4-4-1. Servo System Block Diagram LATCH Latch 3V 5V Level shift Fig.3-4-6...
  • Page 107 4-4-2. Logical System Block Diagram Fig. 3-4-7...
  • Page 108 4-5. Output Block Diagram Fig. 3-4-8...
  • Page 109 5. CIRCUIT DIAGRAMS 5-1. Power Supply Circuit Diagram Fig. 3-5-1...

  • Page 110: Power Supply Circuit Diagram

    Power Supply Circuit Diagram Q801 AC120V 60Hz input ON MODE V:50 V/div H:5 µs/div Fig. 3-5-2 Part Loca- Part Loca- Part Loca- tion tion tion C801 D807 Q828 C802 D808 R801 C803 D809 R802 C804 D821 R803 C805 D822 R804 C806 D823 R805...
  • Page 111 5-2. Front Display, Power Switch Circuit Diagram Fig. 3-5-3...

  • Page 112: Front Display, Power Switch Circuit Diagram

    Front Display, Power Switch Circuit Diagram IC101, Pin IC101, Pin X-OUT V: 2 V/div V: 10 V/div H: 200 s/div H: 500 s/div IC101, Pin CN104, Pin C CLK PORT A1/A2 V: 2 V/div V: 1 V/div H: 100 s/div H: 10 s/div IC101, Pin...
  • Page 113 Front Display Power Switch Circuit PC Game Port Circuit Part Loca- Part Loca- Part Loca- Part Loca- Part Loca- tion tion tion tion tion A101 E073 EG05 R107 CG01 C101 E074 EG06 R108 CG02 C102 E075 EG07 R109 CNG01 C103 E076 EG08 R110...

  • Page 114: Main Circuit Diagrams

    5-3. Main Circuit Diagrams 5-3-1. New Main ICs Information TMP93CS44F SLA5028 41 40 MBM29D PQ20WZ51 XCMMPL3CZP...
  • Page 115 Main ICs Function Table 3-5-1 Ref. No. IC Name Function Detail IC721 S24C04BFJ-TB EE-PROM Setup default, memorization of specification setting. IC303 ADV7190 Video Encorder Built-in D/A converter. Encodes digital video signal to analog video signal of NTSC/PAL system. IC706 XCMMPL3CZP AV Decorder Decryption, MPEG-2 Decode, Audio Decode, Sub Picture Decode, OSD.
  • Page 116 Table 3-5-4 TMP93CS44 (1/3) Table 3-5-4 TMP93CS44 (2/3) Name Function Name Function P00-P07 Port 0: I/O port, that can set I/O on a bit-by- Port 45: I/O port. bit basis. /TI6 Timer input 6: Input terminal, Timer 5. /AD0-AD7 Address data (lower): address/data bus 0-7 /INT6 Interrupt request terminal 6: Interrupt P10-P17...
  • Page 117 Table 3-5-4 TMP93CS44 (3/3) Table 3-5-5 XCMMPL3CZP (1/2) Name Function Group Name Function AVSS A/D converter GND terminal (0V). SDRAM SD_DQ (15:0) DRAM data bus port VREFH Reference voltage input terminal (H) for A/ SD_A (11:0) DRAM MUX address D converter SD_A (13)/ Main memory address bus bit 13/ VREFL...
  • Page 118 Table 3-5-5 XCMMPL3CZP (2/2) Group Name Function Global PLL_CLKI System clock input - 108 MHz PLL_REF PLL reference clock output General GPIO (15:0) General purpose IO signals Video out VDATA (7:0) Video data/Mode select VCLK CCIR 656 clock FIELD Odd/Even field HSYNC Horizontal Sync Video in...
  • Page 119 5-3-2. Main Circuit 1 Diagram Fig. 3-5-5...
  • Page 120 5-3-3. Main Circuit 2 Diagram Fig. 3-5-6...
  • Page 121 5-3-2. Main Circuit 1 Diagram...
  • Page 128 Fig. 3-5-5...
  • Page 129 5-3-3. Main Circuit 2 Diagram...
  • Page 136 Fig. 3-5-6...
  • Page 137 Main Circuit 1 Diagram Part Loca- Part Loca- Part Loca- Part Loca- Part Loca- Part Loca- Part Loca- Part Loca- t i o n t i o n t i o n t i o n t i o n t i o n t i o n t i o n...
  • Page 138 Main Circuit 2 Diagram Part Loca- Part Loca- Part Loca- Part Loca- t i o n t i o n t i o n t i o n R718 TP702 D 3 C701 CN701 E7 R719 TP703 C 3 C702 CN702 B8 R720 TP704 C 3...
  • Page 139 5-4. Output Circuit Diagram Fig. 3-5-7...

  • Page 140: Output Circuit Diagram

    Output Circuit Diagram CNX01 JX01 Composite ICY02 ICY01 BUFFER LPF & AMP video output (a) Pin (b) Pin -10.0 100% color bar CVBS output 75Ω terminated 100% color bar V: 500 mV/div V: 0.5 V/div H: 20 µs/div H: 20 µs/div Transistor JX01 JY01 L ch output...
  • Page 141 Output Circuit Diagram Part Loca- Part Loca- Part Loca- Part Loca- tion tion tion tion CNX01 CY18 EY21 RX23 CNY01 CY19 EY22 RX24 CNY02 CY20 EY23 RX25 CX01 CY21 EY24 RX26 CX02 CY22 EY25 RX27 CX03 CY23 EY26 RX28 CX04 DX01 EY27 RX29...
  • Page 142 5-5. Motor System Circuit Diagram Part Loca- tion Fig. 3-5-9...

  • Page 143: Pc Boards

    6. PC BOARDS 6-1. Power Supply PC Board Part Loca- Part Loca- tion tion C801 F821 C802 F822 C803 F823 C804 L801 C805 L821 C806 P802 C807 Q801 C808 Q802 C809 Q821 C810 Q822 C811 Q824 C812 Q825 C821 Q826 C822 Q827 C823...
  • Page 144 6-2. Power Switch PC Board Q141 Q142 S141 D141 CN103 Fig. 3-6-2 EU04 Fig. 3-6-3 EU04 Power Switch PC Board Power Switch PC Board (Top side) (Bottom side)
  • Page 145 6-3. Main PC Board C327 R520 Q502 CN502 Q501 CN501 C319 C320 R526 CN303 R509 C507 R504 F-MARK2 C536 R523 C537 R503 C427 IC501 R528 C511 R529 C902 C430 C510 R429 R522 C506 C431 R532 R431 R521 R434 X401 R436 R913 R547 C519...
  • Page 146 Top Side Part Loca- Part Loca- Part Loca- tion tion tion C202 CN301 R402 C203 CN303 R405 C204 CN501 R412 C205 CN502 R429 C207 CN503 R431 C208 CN601 R434 C311 CN602 R436 C312 CN603 R438 C315 CN701 R451 C316 CN702 R452 C318 CN703...
  • Page 147 Fig. 3-6-5 EU01 Main PC Board (Bottom pattern and bottom parts location diagram)
  • Page 148 Bottom Side Part Loca- Part Loca- Part Loca- Part Loca- Part Loca- tion tion tion tion tion C201 C522 FL303 R456 R637 C206 C523 FL304 R457 R703 C209 C524 FL305 R458 R704 C308 C525 FL306 R502 R705 C309 C526 FL501 R511 R706 C310...
  • Page 149 C327 R520 Q502 CN502 Q501 CN501 C319 C320 R526 CN303 R509 C507 R504 F-MARK2 C536 R523 C537 R503 C427 IC501 R528 C511 R529 C902 C430 C510 R429 R522 C506 C431 R532 R431 R521 R434 X401 R436 R913 R547 C519 IC503 R438 R914 R551...
  • Page 150 Fig. 3-6-7 EU01 Main PC Board (Bottom pattern, character/symbol)
  • Page 151 6-4. Output PC Board ICY03 JX01 JX02 Part Loca- Part Loca- tion tion CNX01 B3 CY01 CNY01 B2 CY02 CNY02 B1 CY03 CX01 CY04 CX03 CY05 CY15 CX04 CY06 CX05 CY07 CX06 CY08 CX08 CY09 CY06 CY08 CX10 CY10 CX11 CY11 FLY01 CX12...
  • Page 152 6-5. Front Display PC Board Part Loca- tion A101 C101 C104 C108 CN101 B7 CN102 B1 CN104 B7 CN105 B1 FG101 B7 FG102 B1 MT101 B1 S101 S102 S103 S104 S105 S106 SP101 A5 Fig. 3-6-10 EU03 Front Display PC Board (Top Side) X101 Part Loca-...
  • Page 153 6-6. PC Game Port PC Board Fig. 3-6-12 EU53 PC Game Port PC Board Fig. 3-6-13 EU53 PC Game Port PC Board (Top side) (Bottom side)

  • Page 154: Capacitor (Cap

    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 155: Exploded Views

    4. EXPLODED VIEWS 4-1. Packing Assembly ZF23 ZF20 ZF01 ZF10 ZF11 ZF17 ZF30 ZK06 ZK09 ZK04 ZK03 ZK01 ZK02 ZF17 Fig. 4-4-1...

  • Page 156: Chassis Assembly

    4-2. Chassis Assembly ZG60 BID 3.0x6.0 ZG60 BID 3.0x6.0 ZG20 ZG27 ZG63 ZG60 BID 3.0x6.0 EU02 ZG67 W901 W503 W301 ZG64 EU01 W501 W502 ZG74 ZG21 ZG71 ZG60 EU04 EU05 W102 ZG71 EU53 ZG22 EU03 ZG69 ZG26 ZG70 W602 ZG03 When Game Port PC Board (EU53) and Ftont PC ZG01 W701...

  • Page 157: Mechanism Assembly

    4-3. Mechanism Assembly MC61 BID 2.6x8.0 MP01 MP60 MP16 MP91 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 MC65 MC10 BID 2.6x3.5 ZG63 MC01 W6.15P0.3D10.5 RM01 MC02...

  • Page 158: Parts List

    5. PARTS LIST LOCATION PART NUMBER NUMBER DESCRIPTION - MECHANICAL PARTS - FM01 79070421 Motor Assy,Feed MC01 79070416 Chassis Assy,Mechanism MC14 79070428 Belt,Loading MP01 79070467 Mechanism Assy,Pickup MP16 79070422 Gear MP36 79070458 Rubber,Dumper Kit MP37 79070458 Rubber,Dumper Kit MP61 79079005 Screw TZPAN2.6x15 MP65...
  • Page 159 LOCATION PART LOCATION PART NUMBER NUMBER DESCRIPTION NUMBER NUMBER DESCRIPTION ! C801 79020189 Cap,Ceramic 1000pF M 250V - ELECTRICAL PARTS - ! C802 79020190 Cap,Ceramic 100pF M 250V ! C803 79020190 Cap,Ceramic 100pF M 250V ! C804 79020189 Cap,Ceramic 1000pF M 250V EU01 79083070...

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