Service Manuals, User Guides, Schematic Diagrams or docs for : TOSHIBA DVD-Video SD-24VBSB hfe_toshiba_sd-24v_ese_bsb_lsl_service_en

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                   FILE NO. 810-200410




SERVICE MANUAL


               DVD PLAYER &
    VIDEO CASSETTE RECORDER
            SD-24VESE
            SD-24VBSB
            SD-24VLSL


                                  AV3




                            MARCH, 2004
                          CONTENTS
SECTION   1   .   .   .   .   SUMMARY
SECTION   2   .   .   .   .   CABINET & MAIN CHASSIS
SECTION   3   .   .   .   .   ELECTRICAL
SECTION   4   .   .   .   .   MECHANISM OF VCR PART
SECTION   5   .   .   .   .   MECHANISM OF DVD PART
SECTION   6   .   .   .   .   REPLACEMENT PARTS LIST




                                 1-1
                                             SECTION 1
                                              SUMMARY

                                              CONTENTS


PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS ......... 1-3
SERVICING PRECAUTIONS .................................................................................. 1-4
SERVICE INFORMATION FOR EEPROM IC SETTING ........................................ 1-5
OWNER'S MANUAL(SD-24VBSB) .......................................................................................1-6




                                                        1-2
 PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS
CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY,     SUBJECT : X-RADIATION
NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC-         1. BE SURE PROCEDURES AND INSTRUCTIONS TO ALL SERVICE PER-
TURER'S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY         SONNEL COVER THE SUBJECT OF X-RADIATION. THE ONLY POTEN-
VOID THE WARRANTY, BUT MAY LEAD TO YOUR BEING LIABLE FOR ANY       TIAL SOURCE OF X-RAYS IN CURRENT T.V. RECEIVERS IS THE PIC-
RESULTING PROPERTY DAMAGE OR USER INJURY.                          TURE TUBE. HOWEVER, THIS TUBE DOES NOT EMIT X-RAYS WHEN
SERVICE WORK SHOULD BE PERFORMED ONLY AFTER YOU ARE                THE HIGH VOLTAGE IS AT THE FACTORY SPECIFIED LEVEL. THE
THOROUGHLY FAMILIAR WITH ALL OF THE FOLLOWING SAFETY               PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC. OPERA-
CHECKS AND SERVICING GUIDELINES. TO DO OTHERWISE,                  TION AT HIGHER VOLTAGES MAY CAUSE A FAILURE OF THE PIC-
INCREASES THE RISK OF POTENTIAL HAZARDS AND INJURY TO THE          TURE TUBE OR HIGH VOLTAGE SUPPLY AND, UNDER CERTAIN CIR-
USER.                                                              CUMSTANCES, MAY PRODUCE RADIATION IN EXCESS OF DESIR-
WHILE SERVICING, USE AN ISOLATION TRANSFORMER FOR PROTEC-          ABLE LEVELS.
TION FROM A.C. LINE SHOCK.                                      2. ONLY FACTORY SPECIFIED C.R.T. ANODE CONNECTORS MUST BE
                                                                   USED. DEGAUSSING SHIELDS ALSO SERVE AS X-RAY SHIELD IN
SAFETY CHECKS                                                      COLOR SETS, ALWAYS RE-INSTALL THEM.
AFTER THE ORIGINAL SERVICE PROBLEM HAS BEEN CORRECTED. A        3. IT IS ESSNTIAL THAT SERVICE PERSONNEL HAVE AVAILABLE AN
CHECK SHOULD BE MADE OF THE FOLLOWING.                             ACCURATE AND RELIABLE HIGH VOLTAGE METER. THE CALIBRA
SUBJECT : FIRE & SHOCK HAZARD                                      TION OF THE METER SHOULD BE CHECKED PERIODICALLY
1. BE SURE THAT ALL COMPONENTS ARE POSITIONED IN SUCH A WAY        AGAINST A REFERENCE STANDARD, SUCH AS THE ONE AVAILABLE
   AS TO AVOID POSSIBILITY OF ADJACENT COMPONENT SHORTS.           AT YOUR DISTRIBUTOR.
   THIS IS ESPECIALLY IMPORTANT ON THOSE MODULES WHICH ARE      4. WHEN THE HIGH VOLTAGE CIRCUITRY IS OPERATING PROPERLY
   TRANSPORTED TO AND FROM THE REPAIR SHOP.                        THERE IS NO POSSIBILITY OF AN X-RADIATION PROBLEM. EVERY
2. NEVER RELEASE A REPAIR UNLESS ALL PROTECTIVE DEVICES            TIME A COLOR CHASSIS IS SERVICED. THE BRIGHTNESS SHOULD
   SUCH AS INSULATORS, BARRIERS, COVERS, SHIELDS, STRAIN           BE RUN UP AND DOWN WHILE MONITORING THE HIGH VOLTAGE
   RELIEFS, POWER SUPPLY CORDS, AND OTHER HARDWARE HAVE            WITH A METER TO BE CERTAIN THAT THE HIGH VOLTAGE DOES
   BEEN REINSTALLED PER ORIGINAL DESIGN. BE SURE THAT THE          NOT EXCEED THE SPECIFIED VALUE AND THAT IT IS REGULATING
   SAFETY PURPOSE OF THE POLARIZED LINE PLUG HAS NOT BEEN          CORRECTLY, WE SUGGEST THAT YOU AND YOUR SERVICE ORGA-
   DEFEATED.                                                       NIZATION REVIEW TEST PROCEDURES SO THAT VOLTAGE REGU-
                                                                   LATION IS ALWAYS CHECKED AS A STANDARD SERVICING PROCE-
3. SOLDERING MUST BE INSPECTED TO DISCOVER POSSIBLE COLD           DURE. AND THAT THE HIGH VOLTAGE READING BE RECORDER ON
   SOLDER JOINTS, SOLDER SPLASHES OR SHARP SOLDER POINTS.          EACH CUSTOMER'S INVOICE.
   BE CERTAIN TO REMOVE ALL LOOSE FOREIGN PARTICLES.
                                                                5. WHEN TROUBLESHOOTING AND MAKING TEST MEASUREMENTS IN
4. CHECK FOR PHYSICAL EVIDENCE OF DAMAGE OR DETERIORATION          A PRODUCT WITH A PROBLEM OF EXCESSIVE HIGH VOLTAGE,
   TO PARTS AND COMPONENTS. FOR FRAYED LEADS, DAMAGED              AVOID BEING UNNECESSARILY CLOSE TO THE PICTURE TUBE AND
   INSULATION (INCLUDING A.C. CORD). AND REPLACE IF NECESSARY      THE HIGH VOLTAGE SUPPLY. DO NOT OPERATE THE PRODUCT
   FOLLOW ORIGINAL LAYOUT, LEAD LENGTH AND DRESS.                  LONGER THAN IS NECESSARY TO LOCATE THE CAUSE OF EXCES
5. NO LEAD OR COMPONENT SHOULD TOUCH A RECIVING TUBE OR            SIVE VOLTAGE.
   A RESISTOR RATED AT 1 WATT OR MORE. LEAD TENSION AROUND      6. REFER TO HV. B+ AND SHUTDOWN ADJUSTMENT PROCEDURES
   PROTRUNING METAL SURFACES MUST BE AVOIDED.                      DESCRIBED IN THE APPROPRIATE SCHEMATIC AND DIAGRAMS
6. ALL CRITICAL COMPONENTS SUCH AS FUSES, FLAMEPROOF               (WHERE USED).
   RESISTORS, CAPACITORS, ETC. MUST BE REPLACED WITH EXACT      SUBJECT: IMPLOSION
   FACTORY TYPES, DO NOT USE REPLACEMENT COMPONENTS
   OTHER THAN THOSE SPECIFIED OR MAKE UNRECOMMENDED CIR-        1. ALL DIRECT VIEWED PICTURE TUBES ARE EQUIPPED WITH AN INTE
   CUIT MODIFICATIONS.                                             GRAL IMPLOSION PROTECTION SYSTEM, BUT CARE SHOULD BE
                                                                   TAKEN TO AVOID DAMAGE DURING INSTALLATION, AVOID
7. AFTER RE-ASSEMBLY OF THE SET ALWAYS PERFORM AN A.C.             SCRATCHING THE TUBE. IF SCRATCHED REPLACE IT.
   LEAKAGE TEST ON ALL EXPOSED METALLIC PARTS OF THE CABI-
   NET, (THE CHANNEL SELECTOR KNOB, ANTENNA TERMINALS. HAN-     2. USE ONLY RECOMMENDED FACTORY REPLACEMENT TUBES.
   DLE AND SCREWS) TO BE SURE THE SET IS SAFE TO OPERATE        SUBJECT : TIPS ON PROPER INSTALLATION
   WITHOUT DANGER OF ELECTRICAL SHOCK. DO NOT USE A LINE        1. NEVER INSTALL ANY PRODUCT IN A CLOSED-IN RECESS, CUBBY-
   ISOLATION TRANSFORMER DURING THIS TEST USE AN A.C. VOLT-        HOLE OR CLOSELY FITTING SHELF SPACE. OVER OR CLOSE TO
   METER, HAVING 5000 OHMS PER VOLT OR MORE SENSITIVITY, IN        HEAT DUCT, OR IN THE PATH OF HEATED AIR FLOW.
   THE FOLLOWING MANNER; CONNECT A 1500 OHM 10 WATT RESIS-
   TOR, PARALLELED BY A .15 MFD. 150.V A.C TYPE CAPACITOR       2. AVOID CONDITIONS OF HIGH HUMIDITY SUCH AS: OUTDOOR PATIO
   BETWEEN A KNOWN GOOD EARTH GROUND (WATER PIPE, CON-             INSTALLATIONS WHERE DEW IS A FACTOR, NEAR STEAM RADIA-
   DUIT, ETC.) AND THE EXPOSED METALLIC PARTS, ONE AT A TIME.      TORS WHERE STEAM LEAKAGE IS A FACTOR, ETC.
   MEASURE THE A.C. VOLTAGE ACROSS THE COMBINATION OF 1500      3. AVOID PALCEMENT WHERE DRAPERIES MAY OBSTRUCT REAR
   OHM RESISTOR AND .15 MFD CAPACITOR. REVERSE THE A.C. PLUG       VENTING. THE CUSTOMER SHOULD ALSO AVOID THE USE OF DEC-
   AND REPEAT A.C. VOLTAGE MEASUREMENTS FOR EACH EXPOSED           ORATIVE SCARVES OR OTHER COVERINGS WHICH MIGHT
   METALLIC PART. VOLTAGE MEASURED MUST NOT EXCEED 75              OBSTRUCT VENTILATION.
   VOLTS R.M.S. THIS CORRESPONDS TO 0.5 MILLIAMP A.C ANY
                                                                4. WALL AND SHELF MOUNTED INSTALLATIONS USING A COMMER-
   VALUE EXCEEDING THIS LIMIT CONSTITUTES A POTENTIAL SHOCK
                                                                   CIAL MOUNTING KIT. MUST FOLLOW THE FACTORY APPROVED
   HAZARD AND MUST BE CORRECTED IMMEDIATELY.
                                                                   MOUNTING INSTRUCTIONS A PRODUCT MOUNTED TO A SHELF OR
                      A.C. VOLTMETER                               PLATFORM MUST RETAIN ITS ORIGINAL FEET (OR THE EQUIVALENT
                                                                   THICKNESS IN SPACERS) TO PROVIDE ADEQUATE AIR FLOW
                                                                   ACROSS THE BOTTOM, BOLTS OR SCREWS USED FOR FASTENERS
                                                                   MUST NOT TOUCH ANY PARTS OR WIRING. PERFORM LEAKAGE
                                                                   TEST ON CUSTOMIZED INSTALLATIONS.
                                                                5. CAUTION CUSTOMERS AGAINST THE MOUNTING OF A PRODUCT ON
                                                                   SLOPING SHELF OR A TILTED POSITION, UNLESS THE PRODUCT IS
                                                                   PROPERLY SECURED.
GOOD EARTH GROUND                        PLACE THIS PROBE       6. A PRODUCT ON A ROLL-ABOUT CART SHOULD BE STABLE ON ITS
SUCH AS THE WATER                        ON EACH EXPOSED           MOUNTING TO THE CART. CAUTION THE CUSTOMER ON THE HAZ-
PIPE. CONDUIT. ETC                       METAL PART                ARDS OF TRYING TO ROLL A CART WITH SMALL CASTERS ACROSS
                                                                   THRESHOLDS OR DEEP PILE CARPETS.
SUBJECT: GRAPHIC SYMBOLS                                        7. CAUTION CUSTOMERS AGAINST THE USE OF A CART OR STAND
                                                                   WHICH HAS NOT BEEN LISTED BY UNDERWRITERS LABORATORIES,
       THE LIGHTNING FLASH WITH APROWHEAD SYMBOL. WITHIN           INC. FOR USE WITH THEIR SPECIFIC MODEL OF TELEVISION
       AN EQUILATERAL TRIANGLE, IS INTENDED TO ALERT THE           RECEIVER OR GENERICALLY APPROVED FOR USE WITH T.V.'S OF
       SERVICE PERSONNEL TO THE PRESENCE OF UNINSULATED            THE SAME OR LARGER SCREEN SIZE.
       "DANGEROUS VOLTAGE" THAT MAY BE OF SUFFICIENT MAG-
       NITUDE TO CONSTITUTE A RISK OF ELECTRIC SHOCK.           8. CAUTION CUSTOMERS AGAINST THE USE OF EXTENSION CORDS,
                                                                   EXPLAIN THAT A FOREST OF EXTENSIONS SPROUTING FROM A SIN-
       THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIAN-          GLE OUTLET CAN LEAD TO DISASTROUS CONSEQUENCES TO
       GLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO           HOME AND FAMILY.
       THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN
       SERVICE LITERATURE.



                                                            1-3
                                   SERVICING PRECAUTIONS
CAUTION : Before servicing the VCR+DVD covered by this               Electrostatically Sensitive (ES) Devices
service data and its supplements and addends, read and fol-          Some semiconductor (solid state) devices can be damaged
low the SAFETY PRECAUTIONS. NOTE : if unforeseen cir-                easily by static electricity. Such components commonly are
cumstances create conflict between the following servicing           called Electrostatically Sensitive (ES) Devices. Examples of
precautions and any of the safety precautions in this publi-         typical ES devices are integrated circuits and some field
cations, always follow the safety precautions.                       effect transistors and semiconductor chip components.
Remembers Safety First:                                              The following techniques should be used to help reduce the
                                                                     incidence of component damage caused by static electricity.
General Servicing Precautions
1. Always unplug the VCR+DVD AC power cord from the AC               1. Immediately before handling any semiconductor compo-
   power source before:                                                 nent or semiconductor-equipped assembly, drain off any
   (1) Removing or reinstalling any component, circuit board,           electrostatic charge on your body by touching a known
       module, or any other assembly.                                   earth ground. Alternatively, obtain and wear a commer-
   (2) Disconnection or reconnecting any internal electrical            cially available discharging wrist strap device, which
       plug or other electrical connection.                             should be removed for potential shock reasons prior to
   (3) Connecting a test substitute in parallel with an elec-           applying power to the unit under test.
       trolytic capacitor.
       Caution : A wrong part substitution or incorrect              2. After removing an electrical assembly equipped with ES
       polarity installation of electrolytic capacitors may result      devices, place the assembly on a conductive surface such
       in an explosion hazard.                                          as aluminum foil, to prevent electrostatic charge buildup or
                                                                        exposure of the assembly.
2. Do not spray chemicals on or near this VCR+DVD or any
   of its assemblies.                                                3. Use only a grouned-tip soldering iron to solder or unsolder
                                                                        ES devices.
3. Unless specified otherwise in this service data, clean
   electrical contacts by applying an appropriate contact            4. Use only an anti-static solder removal device. Some
   cleaning solution to the contacts with a pipe cleaner,               solder removal devices not classified a "anti-static" can
   cotton-tipped swab, or comparable soft applicator.                   generate electrical charges sufficient to damage ES
   Unless specified otherwise in this service data, lubrication         devices.
   of contacts is not required.
                                                                     5. Do not use freon-propelled chemicals. These can
4. Do not defeat any plug/socket B+ voltage interlocks with             generate electrical charge sufficient to damage ES
   whitch instruments covered by this service manual might              devices.
   be equipped.
                                                                     6. Do not remove a replacement ES device from its protec
5. Do not apply AC power to this VCR+DVD and/or any of its              tive package until immediately before you are ready to
   electrical assemblies unless all solid-state device heat             install it. (Most replacement ES devices are packaged with
   sinks are cerrectly installed.                                       leads electrically shorted together by conductive foam,
                                                                        aluminum foil, or comparable conductive material).
6. Always connect test instrument ground lead to the
   appropriate ground before connection the test instrument
   positive lead. Always remove the test instrument ground           7. Immediately before removing the protective material from
   lead last.                                                           the leads of a replacement ES device, touch the protective
                                                                        material to the chassis or circuit assembly into which the
Insulation Checking Procedure                                           device will be installed.
Disconnect the attachment plug from the AC outlet and turn
the power on. Connect an insulation resistance meter(500V)             Caution : Be sure no power is applied to the chassis or
to the blades of the attachment plug. The insulation resis-            circuit, and observe all other safety precautions.
tance between each blade of the attachment plug and acces-
sible conductive parts (Note 1) should be more than 1M-              8. Minimize bodily motions when handling unpackaged
ohm.                                                                    replacement ES devices. (Normally harmless motion such
Note 1 : Accessible Conductive Parts including Metal pan-               as the brushing together of your clothes fabric or the lifting
els, Input terminals, Earphone jacks, etc.                              of your foot from a carpeted floor can generate static elec-
                                                                        tricity sufficient to damage an ES device.)




                                                                 1-4
 SERVICE INFORMATION FOR EEPROM IC SETTING

    EEPROM option code No. setting           EEPROM option code No. setting procedure


 NAME     HEX      BINARY                    1. DETECT NEW EEPROM (OPTION EDIT
                                                SCREEN)
 OPT1     00       00000000                     - Eeprom EDIT screen automatically appears if
 OPT2     00       00000000                       replacing Eeprom.
 OPT3     00       00000000                     - Setup option data using the cursor Up/Down key
 OPT4     00       00000000                       of a remote control.
 OPT5     00       00000000                       (Setup upon BOM depending on OPT1~OPT4
 OPT6     00       00000000                       model)
                                                



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