Service Manuals, User Guides, Schematic Diagrams or docs for : TOSHIBA DVD-Video SD-34VESE SD-34VBSB SD-34VLSL TOSHIBA_SD-34VESE_SD-34VBSB_SD-34VLSL_DVD-VCR
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FILE NO. 810-200440
SERVICE MANUAL
DVD PLAYER &
VIDEO CASSETTE RECORDER
SD-34VESE
SD-34VBSB
SD-34VLSL
SEP. 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
SECTION 1
SUMMARY
CONTENTS
PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS .......... 1-2
SERVICING PRECAUTIONS .................................................................................. 1-3
SERVICE INFORMATION FOR EEPROM IC SETTING ........................................ 1-4
OWNER'S MANUAL ............................................................................................... 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 THOR- THE HIGH VOLTAGE IS AT THE FACTORY SPECIFIED LEVEL. THE
OUGHLY FAMILIAR WITH ALL OF THE FOLLOWING SAFETY CHECKS PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC. OPERA-
AND SERVICING GUIDELINES. TO DO OTHERWISE, INCREASES THE TION AT HIGHER VOLTAGES MAY CAUSE A FAILURE OF THE PIC-
RISK OF POTENTIAL HAZARDS AND INJURY TO THE USER. TURE TUBE OR HIGH VOLTAGE SUPPLY AND, UNDER CERTAIN CIR-
WHILE SERVICING, USE AN ISOLATION TRANSFORMER FOR PROTEC- CUMSTANCES, MAY PRODUCE RADIATION IN EXCESS OF DESIR-
TION FROM A.C. LINE SHOCK. ABLE LEVELS.
2. ONLY FACTORY SPECIFIED C.R.T. ANODE CONNECTORS MUST BE
SAFETY CHECKS USED. DEGAUSSING SHIELDS ALSO SERVE AS X-RAY SHIELD IN
AFTER THE ORIGINAL SERVICE PROBLEM HAS BEEN CORRECTED. A COLOR SETS, ALWAYS RE-INSTALL THEM.
CHECK SHOULD BE MADE OF THE FOLLOWING. 3. IT IS ESSNTIAL THAT SERVICE PERSONNEL HAVE AVAILABLE AN
SUBJECT : FIRE & SHOCK HAZARD ACCURATE AND RELIABLE HIGH VOLTAGE METER. THE CALIBRA
1. BE SURE THAT ALL COMPONENTS ARE POSITIONED IN SUCH A WAY TION OF THE METER SHOULD BE CHECKED PERIODICALLY
AS TO AVOID POSSIBILITY OF ADJACENT COMPONENT SHORTS. AGAINST A REFERENCE STANDARD, SUCH AS THE ONE AVAILABLE
THIS IS ESPECIALLY IMPORTANT ON THOSE MODULES WHICH ARE AT YOUR DISTRIBUTOR.
TRANSPORTED TO AND FROM THE REPAIR SHOP. 4. WHEN THE HIGH VOLTAGE CIRCUITRY IS OPERATING PROPERLY
2. NEVER RELEASE A REPAIR UNLESS ALL PROTECTIVE DEVICES THERE IS NO POSSIBILITY OF AN X-RADIATION PROBLEM. EVERY
SUCH AS INSULATORS, BARRIERS, COVERS, SHIELDS, STRAIN TIME A COLOR CHASSIS IS SERVICED. THE BRIGHTNESS SHOULD
RELIEFS, POWER SUPPLY CORDS, AND OTHER HARDWARE HAVE BE RUN UP AND DOWN WHILE MONITORING THE HIGH VOLTAGE
BEEN REINSTALLED PER ORIGINAL DESIGN. BE SURE THAT THE WITH A METER TO BE CERTAIN THAT THE HIGH VOLTAGE DOES
SAFETY PURPOSE OF THE POLARIZED LINE PLUG HAS NOT BEEN NOT EXCEED THE SPECIFIED VALUE AND THAT IT IS REGULATING
DEFEATED. CORRECTLY, WE SUGGEST THAT YOU AND YOUR SERVICE ORGA-
NIZATION REVIEW TEST PROCEDURES SO THAT VOLTAGE REGU-
3. SOLDERING MUST BE INSPECTED TO DISCOVER POSSIBLE COLD LATION IS ALWAYS CHECKED AS A STANDARD SERVICING PROCE-
SOLDER JOINTS, SOLDER SPLASHES OR SHARP SOLDER POINTS. DURE. AND THAT THE HIGH VOLTAGE READING BE RECORDER ON
BE CERTAIN TO REMOVE ALL LOOSE FOREIGN PARTICLES. EACH CUSTOMER'S INVOICE.
4. CHECK FOR PHYSICAL EVIDENCE OF DAMAGE OR DETERIORATION 5. WHEN TROUBLESHOOTING AND MAKING TEST MEASUREMENTS IN
TO PARTS AND COMPONENTS. FOR FRAYED LEADS, DAMAGED A PRODUCT WITH A PROBLEM OF EXCESSIVE HIGH VOLTAGE,
INSULATION (INCLUDING A.C. CORD). AND REPLACE IF NECESSARY AVOID BEING UNNECESSARILY CLOSE TO THE PICTURE TUBE AND
FOLLOW ORIGINAL LAYOUT, LEAD LENGTH AND DRESS. THE HIGH VOLTAGE SUPPLY. DO NOT OPERATE THE PRODUCT
5. NO LEAD OR COMPONENT SHOULD TOUCH A RECIVING TUBE OR LONGER THAN IS NECESSARY TO LOCATE THE CAUSE OF EXCES
A RESISTOR RATED AT 1 WATT OR MORE. LEAD TENSION AROUND SIVE VOLTAGE.
PROTRUNING METAL SURFACES MUST BE AVOIDED. 6. REFER TO HV. B+ AND SHUTDOWN ADJUSTMENT PROCEDURES
6. ALL CRITICAL COMPONENTS SUCH AS FUSES, FLAMEPROOF DESCRIBED IN THE APPROPRIATE SCHEMATIC AND DIAGRAMS
RESISTORS, CAPACITORS, ETC. MUST BE REPLACED WITH EXACT (WHERE USED).
FACTORY TYPES, DO NOT USE REPLACEMENT COMPONENTS SUBJECT: IMPLOSION
OTHER THAN THOSE SPECIFIED OR MAKE UNRECOMMENDED CIR-
CUIT MODIFICATIONS. 1. ALL DIRECT VIEWED PICTURE TUBES ARE EQUIPPED WITH AN INTE
GRAL IMPLOSION PROTECTION SYSTEM, BUT CARE SHOULD BE
7. AFTER RE-ASSEMBLY OF THE SET ALWAYS PERFORM AN A.C. TAKEN TO AVOID DAMAGE DURING INSTALLATION, AVOID
LEAKAGE TEST ON ALL EXPOSED METALLIC PARTS OF THE CABI- SCRATCHING THE TUBE. IF SCRATCHED REPLACE IT.
NET, (THE CHANNEL SELECTOR KNOB, ANTENNA TERMINALS. HAN-
DLE AND SCREWS) TO BE SURE THE SET IS SAFE TO OPERATE 2. USE ONLY RECOMMENDED FACTORY REPLACEMENT TUBES.
WITHOUT DANGER OF ELECTRICAL SHOCK. DO NOT USE A LINE SUBJECT : TIPS ON PROPER INSTALLATION
ISOLATION TRANSFORMER DURING THIS TEST USE AN A.C. VOLT- 1. NEVER INSTALL ANY PRODUCT IN A CLOSED-IN RECESS, CUBBY-
METER, HAVING 5000 OHMS PER VOLT OR MORE SENSITIVITY, IN HOLE OR CLOSELY FITTING SHELF SPACE. OVER OR CLOSE TO
THE FOLLOWING MANNER; CONNECT A 1500 OHM 10 WATT RESIS- HEAT DUCT, OR IN THE PATH OF HEATED AIR FLOW.
TOR, PARALLELED BY A .15 MFD. 150.V A.C TYPE CAPACITOR
BETWEEN A KNOWN GOOD EARTH GROUND (WATER PIPE, CON- 2. AVOID CONDITIONS OF HIGH HUMIDITY SUCH AS: OUTDOOR PATIO
DUIT, ETC.) AND THE EXPOSED METALLIC PARTS, ONE AT A TIME. INSTALLATIONS WHERE DEW IS A FACTOR, NEAR STEAM RADIA-
MEASURE THE A.C. VOLTAGE ACROSS THE COMBINATION OF 1500 TORS WHERE STEAM LEAKAGE IS A FACTOR, ETC.
OHM RESISTOR AND .15 MFD CAPACITOR. REVERSE THE A.C. PLUG 3. AVOID PALCEMENT WHERE DRAPERIES MAY OBSTRUCT REAR
AND REPEAT A.C. VOLTAGE MEASUREMENTS FOR EACH EXPOSED VENTING. THE CUSTOMER SHOULD ALSO AVOID THE USE OF DEC-
METALLIC PART. VOLTAGE MEASURED MUST NOT EXCEED 75 ORATIVE SCARVES OR OTHER COVERINGS WHICH MIGHT
VOLTS R.M.S. THIS CORRESPONDS TO 0.5 MILLIAMP A.C ANY OBSTRUCT VENTILATION.
VALUE EXCEEDING THIS LIMIT CONSTITUTES A POTENTIAL SHOCK
4. WALL AND SHELF MOUNTED INSTALLATIONS USING A COMMER-
HAZARD AND MUST BE CORRECTED IMMEDIATELY.
CIAL MOUNTING KIT. MUST FOLLOW THE FACTORY APPROVED
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.
7. CAUTION CUSTOMERS AGAINST THE USE OF A CART OR STAND
SUBJECT: GRAPHIC SYMBOLS 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 MAGNI- 8. CAUTION CUSTOMERS AGAINST THE USE OF EXTENSION CORDS,
TUDE TO CONSTITUTE A RISK OF ELECTRIC SHOCK. 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 panels, as the brushing together of your clothes fabric or the lifting
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
OPT1 00 00000000 SCREEN)
OPT2 00 00000000 - Eeprom EDIT screen automatically appears if
OPT3 00 00000000 replacing Eeprom.
OPT4 00 00000000 - Setup option data using the cursor Up/Down key
OPT5 00 00000000 of a remote control.
(Setup upon BOM depending on OPT1~OPT5
WR : OK I : EXIT MOVE : F G
EDIT : DE model)
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