Service Manuals, User Guides, Schematic Diagrams or docs for : TOSHIBA DVD-Video SD-100X hfe_toshiba_sd-100x_service_en

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                           FILE NO. 810-200013




SERVICE MANUAL


        DIGITAL VIDEO




    DVD VIDEO PLAYER
                        SD-100X




                                      Sep., 2000 s
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. When replacing, use a conductive mat, soldering iron with ground wire, etc. to
protect the laser diode from damage by static electricity.
And also, the LSI and IC are same as above.




                                                         Ground conductive

                                                         wrist strap for body.




                       Soldering iron

                       with ground wire

                       or ceramic type




                                                                                 1M   9
                                        Conductive mat
                                                                  The ground resistance

                                                                  between the ground line

                                                                  and the ground is less than 10   9   .
                                                     CONTENTS
                                                      SECTION 1
                                                 GENERAL DESCRIPTIONS
1. OPERATING INSTRUCTIONS                                     3. TROUBLESHOOTING
   Specifications                                                3-1. Main Circuit
2. LOCATION OF MAIN PARTS AND                                    3-1-1. Servo System
   MECHANISM PARTS                                               3-1-2. Location Diagram of Servo Test Point
   2-1. Location of Main Parts
   2-2. Location of Mechanism Parts




                                                   SECTION 2
                                  PART REPLACEMENT AND ADJUSTMENT PROCEDURES
1. REPLACEMENT OF MECHANICAL PARTS                                 1-3. Mechanism Parts
   1-1. Cabinet Replacement                                        1-3-1. Mechanism Chassis Assembly
   1-1-1. Top Cover                                                1-3-2. Loading Belt
   1-1-2. Clamper Stay                                             1-3-3. Loading Motor
   1-1-3. Tray Panel                                               1-3-4. Sub Chassis (with a pickup mechanism)
   1-1-4. Front Panel and Tray                                     1-3-5. Pickup Mechanism Assembly
   1-1-5. Rear Panel                                               1-3-6. Gear A Assembly, Gear B and
   1-2. PC Board Replacement                                              Rack Gear Assembly
   1-2-1. Main PC Board                                            1-3-7. Feed Motor
   1-2-2. Output PC Board
   1-2-3. Power PC board
   1-2-4. Front PC Board




                                                      SECTION 3
                                                 SERVICING DIAGRAMS
1. STANDING PC BOARDS FOR SERVICING                              4-4. Main Block Diagrams
2. CIRCUIT SYMBOLS AND                                           4-5. Output Block Diagram
   SUPPLEMENTARY EXPLANATION                                  5. CIRCUIT DIAGRAMS
   2-1. Precautions for Part Replacement                         5-1. Power Supply Circuit Diagram
   2-2. Solid Resistor Indication                                5-2. Front Display, Power Switch Circuit Diagram
   2-3. Capacitance Indication                                   5-3. Main Circuit Diagram
   2-4. Inductor Indication                                      5-4. Output Circuit Diagram
   2-5. Waveform and Voltage Measurement                         5-5. Motor System Circuit Diagrams
   2-6. When Replaced ROM ICs or Upgraded Firmware            6. PC BOARDS
3. PRINTED WIRING BOARD AND                                      6-1. Power Supply PC Board
   SCHEMATIC DIAGRAM                                             6-2. Power Switch PC Board
4. BLOCK DIAGRAMS                                                6-3. Main PC Board
   4-1. Overall Block Diagram                                    6-4. Output PC Board
   4-2. Power Supply Block Diagram                               6-5. Front Display PC Board
   4-3. Front Display, Power Switch Block Diagram




                                                      SECTION 4
                                                      PARTS LIST
SAFETY PRECAUTION                                             4. EXPLODED VIEWS
NOTICE                                                           4-1. Packing Assembly
ABBREVIATIONS                                                    4-2. Chassis Assembly
  1. Integrated Circuit (IC)                                     4-3. Mechanism Assembly
  2. Capacitor (Cap)                                          5. PARTS LIST
  3. Resistor (Res)
                                  GENERAL DESCRIPTIONS
                SECTION 1




                                       SECTION 1
           GENERAL DESCRIPTIONS
1. OPERATING INSTRUCTIONS
Introduction


    SAFETY PRECAUTIONS
                                                            The lightning flash with arrowhead symbol, within an equilat-
                     WARNING                                eral triangle, is intended to alert the user to the presence of
                  RISK OF ELECTRIC SHOCK
                        DO NOT OPEN                         uninsulated "dangerous voltage" within the product's enclo-
                           RISQUE DE CHOC ELECTRIQUE NE     sure that may be of sufficient magnitude to constitute a risk
           AVIS                     PAS OUVRIR              of electric shock to persons.
       WARNING :    TO REDUCE THE RISK OF
       ELECTRIC SHOCK, DO NOT REMOVE                        The exclamation point within an equilateral triangle is in-
       COVER (OR BACK). NO USERSERVICEABLE                  tended to alert the user to the presence of important operat-
       PARTS INSIDE. REFER SERVICING TO
       QUALIFIED SERVICE PERSONNEL.                         ing and maintenance (servicing) instructions in the literature
                                                            accompanying the appliance.

    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.

    CAUTION:          TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY
                      INSERT.

    ATTENTION:        POUR EVITER LES CHOCS ELECTRIQUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA
                      FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQU'AU FOND.

    CAUTION:          This Digital Video Disc Player employs a Laser System.
                      To ensure proper use of this product, please read this owner's manual carefully and retain for
                      future reference. Should the unit require maintenance, contact an authorized service location -
                      see service procedure.
                      Use of controls or adjustments or performance of procedures other than those specified herein
                      may result in hazardous radiation exposure.
                      To prevent direct exposure to laser beam, do not try to open the enclosure.
                      Visible laser radiation when open and interlocks defeated.
                      DO NOT STARE INTO BEAM.

    FCC NOTICE: This equipment has been tested and found to comply with the limits for a Class B digital device,
                pursuant to part 15 of the FCC Rule. These limits are designed to provide reasonable protection
                against harmful interference in a residential installation.
                This equipment generates, uses, and can radiate radio frequency energy and, if not installed
                and used in accordance with the instructions, may cause harmful interference to radio
                communications.
                However, there is no guarantee that interference will not occur in a particular installation.
                If this equipment does cause harmful interference to radio or television reception, which can be
                determined by turning the equipment off and on, the user is encouraged to try to correct the
                interference by one or more of the following measures:
                      - Reorient or relocate the receiving antenna.
                      - Increase the separation between the equipment and receiver.
                      - 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.




2
In the spaces provided below, record the Model and Serial No. located on the rear panel of your DVD video
player.

Model No.                                               Serial No.




                                                                                                                Introduction
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




                                                                                                            3
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. The safeguards incorporated in this unit will protect you if you observe the following
    procedures for installation, use and servicing. This unit is fully transistorized and does not contain any parts that
    can be repaired by the user.
    DO NOT REMOVE THE CABINET COVER, OR YOU MAY BE EXPOSED TO DANGEROUS VOLTAGE.
    REFER SERVICING TO QUALIFIED SERVICE PERSONNEL ONLY.




    1. Read owner's manual
       After unpacking this product, read the owner's manual carefully, and follow
       all the operating and other instructions.




    2. Power Sources
       This product should be operated only from the type of power source indicated
       on the label. If you are not sure of the type of power supply to your home,
       consult your product dealer or local power company. For products intended
       to operate from battery power, or other sources, refer to the operating
       instructions.



    3. Ventilation
       Slots and openings in the cabinet are provided for ventilation and to ensure
       reliable operation of the product and to protect it from overheating, and these
       openings must not be blocked or covered. The openings should never be
       blocked by placing the product on a bed, sofa, rug or other similar surface.
       This product should not be placed in a built-in installation such as a bookcase
       or rack unless proper ventilation is provided or the manufacturer's instructions
       have been adhered to.


    4. Heat
       The product should be situated away from heat sources such as radiators,
       heat registers, stoves, or other products (including amplifiers) that produce
       heat.




4
5. 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.




                                                                                                        Introduction
6. Cleaning
   Unplug this product from the wall outlet before cleaning. Do not use liquid
   cleaners or aerosol cleaners. Use a damp cloth for cleaning.




7. Power-Cord Protection
   Power-supply cords should be routed so that they are not likely to be walked
   on or pinched by items placed upon or against them, paying particular attention
   to cords at plugs, convenience receptacles, and the point where they exit
   from the product.




8. Overloading
   Do not overload wall outlets; extension cords, or integral convenience
   receptacles as this can result in a risk of fire or electric shock.




9. Lightning
   For added protection for this product during storm, or when it is left unattended
   and unused for long periods of time, unplug it from the wall outlet. This will
   prevent damage to the product due to lightning and power-line surges.




10. Object and Liquid Entry
    Never insert objects of any kind into this product through openings as they
    may touch dangerous voltage points or short-out parts that could result in a
    fire or electric shock. Never spill liquid of any kind on the product.




11. Attachments
    Do not use attachments not recommended by the product manufacturer as they may cause hazards.




                                                                                                    5
Introduction


    IMPORTANT SAFETY INSTRUCTIONS
    12. 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. Any mounting
        of the product should follow the manufacturer's instructions, and should use
        a mounting accessory recommended by the manufacturer.
        A product and cart combination should be moved with care. Quick stops,
        excessive force, and uneven surfaces may cause the product and cart                     S3125A



        combination to overturn.



    13. Disc Tray
        Keep your fingers well clear of the disc tray as it is closing. Neglecting to do
        so may cause serious personal injury.




    14. Burden
        Do not place a heavy object on or step on the product. The object may fall,
        causing serious personal injury and serious damage to the product.




    15. Headphones
        When you use headphones, keep the volume at a moderate level. If you use
        the headphones continuously with high volume sound, it may cause hearing
        damage.




    16. Disc
        Do not use a cracked, deformed, or repaired disc. These discs are easily
        broken and may cause serious personal injury and product malfunction.




    17. Damage Requiring Service
        Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following
        conditions:
        a) When the power-supply cord or plug is damaged.
        b) If liquid has been spilled, or objects have fallen into the product.
        c) If the product has been exposed to rain or water.
        d) If the product does not operate normally by following the operating instructions. Adjust only those
           controls that are covered by the operating instructions as an improper adjustment of other controls may
           result in damage and will often require extensive work by a qualified technician to restore the product to
           its normal operation.
        e) If the product has been dropped or damaged in any way.
        f) When the product exhibits a distinct change in performance - this indicates a need for service.




6
18. 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.




                                                                                                                    Introduction
19. 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. Unauthorized substitutions may
    result in fire, electric shock, or other hazards.




20. Safety Check
    Upon completion of any service or repairs to this product, ask the service
    technician to perform safety checks to determine that the product is in proper
    operating condition.




                                                                                                                7
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.
                                                                 pour a cold drink into a glass on a warm day. Drops of
      Do not use volatile liquids, such as insect spray, near
                                                                 water form on the outside of the glass. In the same way,
      the DVD video player. Do not leave rubber or plastic
                                                                 moisture may condense on the optical pick-up lens
      products in contact with the DVD video player for a
                                                                 inside this unit, one of the most crucial internal parts of
      long time. They will leave marks on the finish.
                                                                 the DVD video player.
      The top and rear panels of the DVD video player may
                                                                                               le of mo
      become warm after a long period of use. This is not a                              Examp ensat isture
                                                                                            cond      ion!
      malfunction.
      When the DVD video player is not in use, be sure to
      remove the disc and turn off the power.
      If you do not use the DVD video player for a long                                                           Optical pick-up
                                                                                                                       lens
      period, the unit may not function properly in the
      future. Turn on and use the DVD video player
      occasionally.                                                Moisture condensation occurs during the
                                                                   following cases.
                                                                   When you bring the DVD video player directly from a
      Notes on locating                                            cold place to a warm place.
                                                                   When you use the DVD video player in a room where
      Place the DVD video player on a level surface. Do not        you just turned on the heater, or a place where the
      use it on a shaky or unstable surface such as a              cold wind from the air conditioner directly hits the unit.
      wobbling table or inclined stand. The loaded disc may        In summer, when you use the DVD video player in a
      come off the proper position and cause damage to             hot and humid place just after you move the unit from
      the DVD video player.                                        an air conditioned room.
      When you place this DVD video player near a TV,              When you use the DVD video player in a humid place.
      radio, or VCR, the playback picture may become poor
      and the sound may be distorted. In this case, place
                                                                                                              It's too
      the DVD video player away from the TV, radio, or                                                         warm!
      VCR.


      Notes on cleaning
    Use a soft, dry cloth for cleaning.
      For stubborn dirt, soak the cloth in a weak detergent
      solution, wring well and wipe. Use a dry cloth to wipe       Do not use the DVD video player when moisture
      it dry.                                                      condensation may occur.
      Do not use any type of solvent, such as thinner and          If you use the DVD video player in such a situation, it
      benzine, as they may damage the surface of the DVD           may damage discs and internal parts. Remove the
      video player.                                                disc, connect the power cord of the DVD video player
      If you use a chemical saturated cloth to clean the unit,     to the wall outlet, turn on the DVD video player, and
      follow that product's instructions.                          leave it for two or three hours. After two or three
                                                                   hours, the DVD video player will have warmed up and
                                                                   evaporated any moisture. Keep the DVD video player
      To obtain a clear picture                                    connected to the wall outlet and moisture
                                                                   condensation will seldom occur.
    The DVD video player is a high technology, precision
    device. If the optical pick-up lens and disc drive parts                        Wa
    are dirty or worn down, the picture quality becomes                               it!
                                                                                                                   Wall outlet
    poor. To obtain a clear picture, we recommend regular
    inspection and maintenance (cleaning or parts
    replacement) every 1,000 hours of use depending on
    the operating environment. For details, contact your
    nearest dealer.

8
Notes on Discs


On handling discs                                             Structure of disc contents




                                                                                                                                 Introduction
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. VIDEO CDs and audio
                                                            CDs are divided into tracks.

                                                            DVD video disc
                                                                                      DVD video disc
                                                                      Title 1                          Title 2
                                                               Chapter 1   Chapter 2     Chapter 1   Chapter 2   Chapter 3
                                      Playback side

Do not attach paper or tape to discs.


                                                            VIDEO CD/audio CD
                                                                                 VIDEO CD/audio CD
                                                                Track 1     Track 2       Track 3      Track 4    Track 5

On cleaning discs
Fingerprints and dust on the disc cause picture and
sound deterioration. Wipe the disc from the center          Each title, chapter or track is assigned a number, which is
outwards with a soft cloth. Always keep the disc            called "title number", "chapter number" or "track number"
clean.                                                      respectively.
                                                            There may be discs that do not have these numbers.


                                                              Notes on copyright
                                                            It is forbidden by law to copy, broadcast, show, broadcast
                                                            on cable, play in public, and rent copyrighted material
If you cannot wipe off the dust with a soft cloth, wipe     without permission.
the disc lightly with a slightly moistened soft cloth and
finish with a dry cloth.                                    DVD video discs are copy protected, and any recordings
Do not use any type of solvent such as thinner,             made from these discs will be distorted.
benzine, commercially available cleaners or antistatic
spray for vinyl LPs. It may damage the disc.                This product incorporates copyright protection technology
                                                            that is protected by method claims of certain U.S. patents
                                                            and other intellectual property rights owned by
On storing discs                                            Macrovision Corporation and other rights owners. Use of
                                                            this copyright protection technology must be authorized by
Do not store discs in a place subject to direct sunlight    Macrovision Corporation, and is intended for home and
or near heat sources.                                       other limited viewing uses only unless otherwise
Do not store discs in places subject to moisture and        authorized by Macrovision Corporation. Reverse
dust such as a bathroom or near a humidifier.               engineering or disassembly is prohibited.
Store discs vertically in a case. Stacking or placing
objects on discs outside of their case may cause
warping.




                                                                                                                             9
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
  produced in a manner that allows specific or limited                                              Disc        Maximum
                                                                         Disc Mark      Contents              playback time
                                                                                                    Size
  operation during playback. As such, the DVD video
  player may not respond to all operating commands. This                                                        Approx. 4 hours
  is not a defect in the DVD video player. Refer to                                                            (single sided disc)
  instruction notes of discs.                                                                       12 cm
                                                                                         Audio                  Approx. 8 hours
                                                               DVD                          +
  " " may appear on the TV screen during operation.                                                           (double sided disc)
                                                               video                      video
  A " " means that the operation is not permitted by the       discs                    (moving
  DVD video player or the disc.                                                         pictures)             Approx. 80 minutes
                                                                                                              (single sided disc)
                                                                                                    8 cm

     Notes on region numbers                                                                                  Approx. 160 minutes
                                                                                                               (double sided disc)

  The region number of this DVD video player is 4. If
  region numbers, which stand for their playable area, are                               Audio      12 cm     Approx. 74 minutes
  printed on your DVD video disc and you do not find 4         VIDEO                        +
  or ALL , disc playback will not be allowed by the player.    CDs                        video
                                                                        DIGITAL VIDEO   (moving
  (In this case, the DVD video player will display a                                    pictures)   8 cm      Approx. 20 minutes
  message on-screen.)

                                                                                                    12 cm     Approx. 74 minutes
     On VIDEO CDs                                              Audio
                                                               CDs                       Audio
                                                                                                     8 cm
  This DVD video player supports VIDEO CDs equipped                                                  (CD      Approx. 20 minutes
  with the PBC (Version 2.0) function. (PBC is the                                                  single)
  abbreviation of Playback Control.) You can enjoy two
  playback variations depending on types of discs.            



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