Service Manuals, User Guides, Schematic Diagrams or docs for : Daewoo DVD DVG-6000D dvg-6000d_esm

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dvg-6000d_esm


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DVD PLAYER
 DVG-6000D
CONTENTS

1. PRECAUTIONS------------------------------------------------------------------------------------------------------------------------1
  1-1 SAFETY PRECAUTIONS -------------------------------------------------------------------------------------------------------------1
  1-2 SERVICING PRECAUTIONS ---------------------------------------------------------------------------------------------------------2
     1-2-1 General Serving Precautions------------------------------------------------------------------------------------------------2
     1-2-2 Insulation Checking Procedure ---------------------------------------------------------------------------------------------3
  1-3 ESD PRECAUTIONS ----------------------------------------------------------------------------------------------------------------3
2. REFERENCE INFORMATION ------------------------------------------------------------------------------------------------------4
  2-1 COMPONENT DESCRIPTIONS ------------------------------------------------------------------------------------------------------4
     2-1-1 DVD ATAPI Loader ---------------------------------------------------------------------------------------------------------4
     2-1-2 NTSC/PAL Digital Video Encoder (AV3168) ----------------------------------------------------------------------------6
     2-1-3 DVD Processor Chip (Swan-2TM ES4318)------------------------------------------------------------------------------ 10
     2-1-4 8-Pin, 24-Bit, 96kHz Stereo D/A CONVERTER (CS4338)---------------------------------------------------------- 14
     2-1-5 Serial EEPROM, 2K (256 x 8) (AT24C02/01) ------------------------------------------------------------------------- 15
     2-1-6 4-Megabit (512 x 8) FLASH RAM (MX29F040) --------------------------------------------------------------------- 16
     2-1-7 512K X 16 Bit X 2 Banks Synchronous DRAM (A43L0616) ------------------------------------------------------- 17
3. PRODUCT SPECIFICATIONS ---------------------------------------------------------------------------------------------------- 21
4. OPERATING INSTRUCTIONS --------------------------------------------------------------------------------------------------- 22
  4-1 BASIC CONNECTIONS ------------------------------------------------------------------------------------------------------------ 22
  4-2 SELECTING VIDEO MODE ------------------------------------------------------------------------------------------------------ 22
  4-3 SELECTING THE DESIRED DVD MENU ITEM ----------------------------------------------------------------------------------- 23
  4-4 SELECTING THE DESIRED MP3 FOLDER ---------------------------------------------------------------------------------------- 23
  4-5 SELECTING THE DESIRED MP3 TITLE ------------------------------------------------------------------------------------------ 23
  4-6 SEARCHING ----------------------------------------------------------------------------------------------------------------------- 23
  4-7 RESUME PLAY -------------------------------------------------------------------------------------------------------------------- 23
  4-10 SELECTING SUBTITLE LANGUAGE -------------------------------------------------------------------------------------------- 24
  4-11 SELECTING ANGLE-------------------------------------------------------------------------------------------------------------- 24
5. DISASSEMBLY AND REASSEMBLY------------------------------------------------------------------------------------------- 25
6. TROUBLESHOOTING ------------------------------------------------------------------------------------------------------------- 26
7. ELECTRICAL PART LIST --------------------------------------------------------------------------------------------------------- 27
8. BLOCK DIAGRAM ----------------------------------------------------------------------------------------------------------------- 34
9. CIRCUIT DIAGRAMS-------------------------------------------------------------------------------------------------------------- 35
10. WIRING DIAGRAM--------------------------------------------------------------------------------------------------------------- 47
1. Precautions

1-1 Safety Precautions

1) Before returning an instrument to the customer, always
make a safety check of the entire instrument, including, but
not limited to, the following items:

(1) Be sure that no built-in protective devices are defective
     or have been defeated during servicing.
     (1) Protective shields are provided to protect both the
     technician and the customer. Correctly replace all
     missing protective shields, including any remove for
     servicing convenience.
     (2) When reinstalling the chassis and/or other
     assembly in the cabinet, be sure to put back in place
     all protective devices, including, but not limited to,
                                                                                        AC Leakage Test
     nonmetallic control knobs, insulating fish papers,
     adjustment and compartment covers/shields, and
                                                                     Any measurements not within the limits specified
     isolation resistor/capacitor networks. Do not operate
                                                                     herein indicate a potential shock hazard that must be
     this instrument or permit it to be operated without all
                                                                     eliminated before returning the instrument to the
     protective devices correctly installed and functioning.
                                                                     customer.

(2) Be sure that there are no cabinet opening through which
                                                                (4) Insulation Resistance Test Cold Check-(1) Unplug the
     adults or children might be able to insert their fingers
                                                                     power supply cord and connect a jumper wore
     and contact a hazardous voltage. Such openings
                                                                     between the two prongs of the plug. (2) Turn on the
     include, but are not limited to, excessively wide
                                                                     power switch of the instrument. (3) Measure the
     cabinet ventilation slots, and an improperly fitted
                                                                     resistance with an ohmmeter between the jumpered
     and/or incorrectly secured cabinet back cover.
                                                                     AC plug and all exposed metallic cabinet parts on the
                                                                     instrument, such as screwheads, antenna, control
(3) Leakage Current Hot Check-With the instrument
                                                                     shafts, handle brackets, etc. When an exposed
    completely reassembled, plug the AC line cord
                                                                     metallic part has a return path to the chassis, the
    directly into a 240V AC outlet. (Do not use an
                                                                     reading should be between 1 and 5.2 megohm. When
    isolation transformer during this test.) Use a leakage
                                                                     there is no return path to the chassis, the reading must
    current tester or a metering system that complies with
                                                                     be infinite. If the reading is not within the limits
    American National Standards institute (ANSI) C101.1
                                                                     specified, there is the possibility of a shock hazard,
    Leakage.
                                                                     and the instrument must be re-pared and rechecked
                                                                     before it is returned to the customer.
     Current for Appliances and underwriters Laboratories
     (UL) 1270 (40.7). With the instrument's AC switch
     first in the ON position and then in the OFF position,
     measure from a known earth ground (metal water pipe,
     conduit, etc.) to all exposed metal parts of the
     instrument (antennas, handle brackets, metal cabinets,
     screwheads, metallic overlays, control shafts, etc.),
     especially and exposed metal parts that offer an
     electrical return path to the chassis.
     Any current measured must not exceed 0.5mA.
     Reverse the instrument power cord plug in the outlet
                                                                              Insulation Resistance Test
     and repeat the test.

                                                                2) Read and comply with all caution and safety related
                                                                                                                           1
     notes non or inside the cabinet, or on the chassis.        5) Components, parts, and/or wiring that appear to have
                                                                    overheated or that are otherwise damaged should be
3) Design Alteration Warning-Do not alter of add to the             replaced with components, parts and/or wiring that
    mechanical or electrical design of this instrument.             meet original specifications. Additionally determine
    Design alterations and additions, including but not             the cause of overheating and/or damage and, if
    limited to, circuit modifications and the addition of           necessary, take corrective action to remove and
    items such as auxiliary audio output connections,               potential safety hazard.
    might alter the safety characteristics of this instrument
    and create a hazard to the user. Any design alterations     6) Product Safety Notice-Some electrical and mechanical
    or additions will make you, the service, responsible             parts have special safety-related characteristics which
    for personal injury or property damage resulting there           are often not evident from visual inspection, nor can
    from.                                                            the protection they give necessarily be obtained by
                                                                     replacing them with components rated for higher
4) Observe original lead dress. Take extra care to assure            voltage, wattage, etc. Parts that have special safety
    correct lead dress in the following areas:                       characteristics are identified by shading, an ( ) or a
    (1) near sharp edges, (2) near thermally hot parts (be           ( ) on schematics and parts lists. Use of a substitute
    sure that leads and components do not touch                      replacement that does not have the same safety
    thermally hot parts), (3) the AC supply, (4) high                characteristics as the recommended replacement part
    voltage, and (5) antenna wiring. Always inspect in all           might created shock, fire and/or other hazards.
    areas for pinched, out-of-place, or frayed wiring. Do            Product safety is under review continuously and new
    not change spacing between a component and the                   instructions are issued whenever appropriate.
    printed-circuit board, Check the AC power cord for
    damage.




1-2 Servicing Precautions

CAUTION: Before servicing Instruments covered by this                   device heat sinks are correctly installed.
service manual and its supplements, read and follow the             d. Always connect a test instrument's ground lead to
Safety Precautions section of this manual.                              the instrument chassis ground before connecting the
                                                                        test instrument positive lead. Always remove the test
Note: If unforeseen circument create conflict between the               instrument ground lead last.
following servicing precautions and any of the safety               Note: Refer to the Safety Precautions section ground
precautions, always follow the safety precautions.                  lead last.
Remember; Safety First                                          (2) The service precautions are indicated or printed on the
                                                                      cabinet, chassis or components. When servicing,
                                                                      follow the printed or indicated service precautions
1-2-1 General Serving Precautions
                                                                      and service materials.
(1) a. Always unplug the instrument's AC power cord from        (3) The components used in the unit have a specified flame
       the AC power source before (1) removing or                     resistance and dielectric strength.
       reinstalling any component, circuit board, module or           When replacing components, use components which
       any other instrument assembly. (2) disconnecting               have the same ratings, by ( ) or by ( ) in the
       any instrument electrical plug or other electrical             circuit diagram are important for safety or for the
       connection. (3) connecting a test substitute in                characteristics of the unit. Always replace them with
       parallel with an electrolytic capacitor in the                 the exact replacement components.
       instrument.                                              (4) An insulation tube or tape is sometimes used and some
    b. Do not defeat any plug/socket B+ voltage interlocks            components are raised above the printed wiring board
       with which instruments covered by this service                 for safety. The internal wiring is sometimes clamped
       manual might be equipped.                                      to prevent contact with heating components. Install
    c. Do not apply AC power to this instrument and/or any            such elements as they were.
       of its electrical assemblies unless all solid-state      (5) After servicing, always check that the removed screws,

2
     components, and wiring have been installed correctly       turn the power ON. Connect the insulation resistance meter
     and that the portion around the serviced part has not      (500V) to the blades of the attachment plug. The insulation
     been damaged and so on. Further, check the insulation      resistance between each blade of the attachment plug and
     between the blades of the attachment plus and              accessible conductive parts (see note) should be more than
     accessible conductive parts.                               1 Megohm.

                                                                Note: Accessible conductive parts include metal panels,
1-2-2 Insulation Checking Procedure
                                                                input terminals, earphone jacks, etc.
Disconnect the attachment plug from the AC outlet and




1-3 ESD Precautions

Electrostatically Sensitive Devices (ESD)                            solder removal devices not classified as "anti-static"
                                                                     can generate electrical charges sufficient to damage
Some semiconductor (solid static electricity) devices can            ESD devices.
be damaged easily by static electricity.
Such compo9nents commonly are called Electrostatically          (5) Do not use freon-propelled chemicals. These can
Sensitive Devices (ESD). Examples of typical ESD devices            generate electrical charges sufficient to damage ESD
are integrated circuits and some field-effect transistors and       devices.
semiconductor chip components. The following techniques         (6) Do not remove a replacement ESD device from its
of component damage caused by static electricity.                   protective package until immediately before you are
                                                                    ready to install it. (Most replacement ES devices are
(1) immediately before handling any semiconductor                   packaged with leads electrically shorted together by
    components or semiconductor-equipped assembly,                  conductive foam, aluminum foil or comparable
    drain off any electrostatic charge on your body by              conductive materials).
    touching a known earth ground. Alternatively, obtain
    and wear a commercially available discharging wrist         (7) Immediately before removing the protective materials
    strap device, which should be removed for potential             from the leads of a replacement ES device touch the
    shock reasons prior to applying power to the unit               protective material to the chassis or circuit assembly
    under test.                                                     into which the device will be installed.

(2) after removing an electrical assembly equipped with         CAUTION: Be sure no power is applied to the chassis or
    ESD devices, place the assembly on a conductive             circuit, and observe all other safety precautions.
    surface such as aluminum foil, to prevent electrostatic
    charge buildup or exposure of the assembly.                 (8) Minimize bodily motions when handling unpackaged
                                                                    replacement ESD devices. (Otherwise harmless
(3) Use only a grounded-tip soldering iron to solder or             motion such as the brushing together of your clothes
    unsolder ESD device.                                            fabric or the lifting of your foot from a carpeted floor
                                                                    can generate static electricity sufficient to damage an
(4) Use only an anti-static solder removal devices. Some            ESD device).




                                                                                                                          3
2. Reference Information

2-1 Component Descriptions

2-1-1 DVD ATAPI Loader
D.C. Power Supply
      A 4-pin shrouded, keyed male connector is used to provide the D.C.Power.
       The pin assignment is described below.

          PIN           DC VOLTS
          1              +12V
          2              GND
          3              GND
          4              +5V

Interface Connector
    A 39-pin male, unshielded, shrouded, keyed connector are applied.
    Please refer to Section 7-2-3 regarding its pin definition.




Electrical Characteristics
1. Power

1-1. Voltage
  +5V DC with 



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