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DRAFT DATE: 1 DEC, 2003
SERVICE MANUAL NAD
S570
S570 DVD / VCD / CD
PLAYER
DVD / VCD / CD
PLAYER
PRPDUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS
CAUTION: DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN CORRESPONDS TO 0.5 MILLIAMP A.C. ANY VALUE EXCEEDING THIS
ANYWAY. NEVER PERFORM CUSTOMINIZED INSTALLATIONS LIMIT CONSTITUTED A POTENTIAL SHOCK HAZARD AND MUST BE
WITHOUT MANUFACTURER S APPROVAL. UNAUTHORIZED
' CORRECTED IMMEDIATELY.
MODIFICATIONS WILL NOT ONLY VOID THE WARRANTY, BUT MAY
LEAD TO YOUR BEING LIABLE FOR ANY RESULTING PROPERTY
DAMAGE OR USER INURY.
SERVICE WORK SHOULD BE PERFORMED ONLY AFTER YOU ARE
THOROUGHLY FAMILIAR WITH ALL OF THE FOLOWING SAFETY
CHECKS AND SERVICING GUIDELINS. TO DO OTHERWISE,
INCREASES THE RISK OF POTENTIAL HAZARDS AND INJURY TO
THE USER.
WHILE SERVICING, USE AN ISOLATION TRANSFORMER FOR SUBJECT: GRAPHIC SYMBOLS
PROTECTION FROM A.C. LINE SHOCK. THE LIGHTNING FASH WITH ARROWHEAD SYMBOL, WITHIN AN
SAFETY CHECKS EQUILATERAL TRIANGLE, IS INTENDED TO ALERT THE USER TO THE
AFTER THE ORIGINAL SERVICE PROBLEM HAS BEEN CORRCTED, PRESENCE OF UNINSULATED " DANGEROUS VOLTAGE" WITHIN THE
PRODUCT S ENCLOSURE THAT MAY BE OF SUFFCIENT MAGNITUDE TO
'
A CHECK SHOULD BE MADE OF THE FOLLOWING. CONSTITUTE A RISK OF ELECTRIC SHOCK.
SUBJECT: FIRE &SHOCK HAZARD THE EXCELAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS
1. BE SURE THAT ALL COMPONENTS ARE POSITIONED IN SUCH A INTENDED TO ALERT THE USER TO THE PRESENCE OF IMPORANT
WAY AS TO AVOID POSSIBILITY OF ADJACENT COMPONET SHORTS. OPERATING AND MAINTENANCE (SERVICING) INSTRUCTIONS IN THE
THIS IS ESPECIALLY IMPORTANT ON THOSE MODULES WHICH ARE LITERATURE ACCOMPANYING THE APPLIANCE.
TRANSPORTED TO AND FROM THE REPAIR SHOP. SUBJECT: TIPS ON PROPER INSTALLATION
2. NEVER RELEASE A REPAIR UNLESS ALL PROTECTIVE DEVICES 1. NEVER INSTALL ANY PRODUCT IN A CLOSED-IN RECESS,
SUCH AS INSULATORS, BARRIERS, COVERS, SHIELDS, STRAIN CUBBYHOLE OR CLOSELY FITTING SHELF SPACE. OVER OR
RELIEFS, POWER SUPPLY CORDS, AND OTHER HARDWARE HAVE CLOSE TO HEAT DUCT, OR IN THE PATH OF HEATED AIR
BEEN REINSTALLED PERORIGINAL DESIGN. BE SURE THAT THE FLOW.
SAFETY PURPOSE OF THE POLARIZED LINE PLUG HAS NOT BEEN 2. AVOID CONDITIONS OF HIGH HUMIDITY SUCH AS:
DEFEATED. OUTDOOR PATIO INSTALLATIONS WHERE DEW IS A FACTOR,
3. SOLDERING MUST BE INSPECTED TO DISVCOVER POSSIBLE NEAR STEAM RADIATORS WHERE STEAM LEAKAGE IS
COLD SOLDER JOINTS, SOLDER SPLASHES OR SHARP SOLDER FACTOR, ETC.
POINTS. BE CERTAIN TO REMOVE ALL LOOSE FOREIGN PARTICLES. 3. AVOID PALCEMNET WHERE DRAPERIES MAY OBSTRUCT
4. CHECK FOR PHYSICAL EVIDENCE OF DAMAGE OR REAR VENTING. THE CUSTOMER SHOULD ALSO AVOID THE
DETERRIORATION TO PARTS AND COMPONENTS. FOR FRAYED USE OF DECORATIVE SCARVES OR OTHER COVERINGS
LEADS, DAMAGED INSULATION (INCLUDING A.C. CORD).AND WHICH MIGHT OBSTRUCT VENTILATION.
REPLACE IF NECESSARY FOLLOW ORIGINAL LAYOUT, LEAD 4. WALL AND SHELF MOUNTED INSTALLATIONS USING A
LENGTH AND DRESS. COMMERCIAL MOUNTING KIT. MUST FOLLOW THE FACTORY
5. NO LEAD OR COMPONENT SHOULD TOUCH A RECIVING TUBE APPROVED MOUNTING INSTRUCTIONS A PRODUCT
OR A RESISTOR RATED AT 1 WATT OR MORE. LEAD TENSION MOUNTED TO A SHELF OR PLATFORM MUST RETAIN ITS
AROUD PROTRUNING METAL SURFACES MUST BE AVOIDED. ORIGINAL FEET (OR THE EQUIVALENT THICKNESS IN
6. ALL CRITICAL COMPONENTS SUCH AS FUSES, FLAMEPRO OF SPACERS) TO PROVIDE ADEQUATE AIP FLOW ACROSS THE
RESISTORS, CAPAICTORS, ETC. MUST BE REPLACED WITH EXACT BOTTOM, BOLTS OR SCREWS USED FOR FASTENERS MUST
FACTORY TYPES. DO NOT USE REPLACEMENT COMPONETS NOT TOUCH ANY PARTS OR WIRING. PERFORM LEAKAGE
OTHER THAN THOSE SPECIFIED OR MAKE UNRECOMMENDED TEST ON CUSTOMIZED INSTALLATIONS.
CIRCUIT MODIFICATIONS. 5. CAUTION CUSTOMERS AGNINST THE MOUNTING OF A
7. AFTER RE-ASSEMBLY OF THE SET ALWAYS PERFORM AN A.C. PRDUCT ON SLOPING SHELF OR TILTED POSITION, UNLESS
LEAKAGE TEST ON ALL EXPOSED METALLIC PARTS OF THE THE PRODUCT IS PROPERLY SECURED.
CABINET, (THE CHANNEL SELECTOR KNOB, ANTENNA TERMINALS. 6. A PRODUCT ON A ROLL-ABOUT CART SHOULD BE STABLE
HANDLE ADN SCREWS) TO BE SURE THE SET IS SAFET TO ON ITS MOUNTING TO THE CART. CAUTION THE CUSTOMER
OPERATE WITHOUT DANGER OF ELECTRICAL SHOCK. DO NOT USE ON THE HAZARDS OF TRYING TO ROLL A CART WITH SMALL
A LINE ISOLATION TRANSFORMER DURING THIS TEST USE AN A.C. CASTERS ACROSS THRESHOLDS OR DEEP POLE CARPETS.
VOLTMETER, HAVING 5000 OHMS PER VOLT OR MORE SENSITIVITY, 7. CAUTION CUSTOMERS AGAINST THE USE OF A CART OR
IN THE FOLLOWING MANNER; CONNECT A 1500OHM 10 WATT STAAND WHICH HAS NOT BEEN LISTED BY UNDERWRITERS
RESISTOR, PARALLELED BY A. 15 MFD, 150.V A.C. TYPE CAPACITOR LABORATORIES, INC. FOR USE WITH THEIR SPECIFIC
BETWEEN A KNOWN GOOD EARTH GROUND (WATER PIPE, MODEL OF THELVISION RECEIVER OR GENERICALLY
CONDUIT, ETC.) AND THE EXPPOSED METALLIC PARTS, ONE AT A APPROVED FOR USE WITH T.V.' S OF THE SAME OR LARGER
TIME. SCREEEN SIZE.
MEASURE THE A.C. VOLTAGE ACROSS THE COMBINATION OF 1500 8. CAUTION CUSTOMERS AGAINST THE USE OF EXTENSION
OHM RESISTOR AND .15 MFD CAPACITOR. CORDS, EXPLAIN THAT A FOREST OF EXTENSIONS
REVERSE THE A.C. PLUG AND REPEAT A. C. VOLTAGE SPROUTING FROM A SINGAL OUTLET CAN LEAD TO
MEASUREMENTS FOR EACH EXPOSED METALLIC PART. DISASTROUS CONSEQUENCES TO HOME AND FAMILY.
VOLTAGE MEASURE MUST NOT EXCEED 75 VOLTS R.M.S. THIS
1-4
SERVICING PRECAUTIONS
CAUTION:
Before servicing the DVD player covered by this service Electrostatically Sensitive (ES) Devices
data and its supplements and addends, read and follow Some semiconductor (solid state) devices can be damaged
the SAFETY PRECAUTIONS. NOTE: if unforeseen easily by static electricity. Such components commonly are
circumstances create conflict between the following called Electrostatically Sensitive (ES) Devices. Examples of
servicing precautions and any of the safety precautions in typical Es devices are integrated circuits and some field
this publications, always follow the safety precautions. effect transistors and semiconductor chip components.
Remembers Safety First: The following techniques should be used to help reduce the
General Servicing Precautions incidence of component damage caused by static electricity.
1. Always unplug the DVD player AC power cord from the AC 1. Immediately before handing any semiconductor
power source before: component or semiconductor equipped assembly, drain
(1) Removing or reinstalling any component, circuit board, off any electrostatic charge on your body by touching a
module, or any other assembly. known earth ground. Alternatively, obtain and wear a
(2) Disconnection or reconnecting any internal electrical commercially available discharging wrist strap device,
plug or other electrical connection. which should be removed for potential shock reasons
(3) Connection a test substitute in parallel with an prior to applying power to the unit under test.
electrolytic capacitor. 2. After removing an electrical assembly equipped with ES
Caution: A wrong part substitution or incorrect polarity devices, place the assembly on a conductive surface such
installation of electrolytic capacitors may result in an an aluminum foil, to prevent electrostatic charge buildup
explosion hazard. or exposure of the assembly.
2. Do not spray chemicals on or near this DVD player or 3. Use only a grounded-tip soldering iron to solder or
any of its assemblies. unsolder ES devices.
3. Unless specified otherwise in this service data, clean 4. Use only an antistatic solder removal device. Some
electrical contacts by applying an appropriate contact solder removal devices not classified an "antistati c" can
cleaning solution to the contacts with a pipe cleaner, generate electric charges sufficient to damage ES
cottontipped swab, or comparable soft applicator. devices.
Unless specified otherwise in this service data, lubrication 5. Do not use freonpropelled chemicals. These can
of contacts is not required. generate electrical charge sufficient to damage ES
4. Do not defeat any plug/socket B+ voltage interlocks devices.
with which instruments covered by this service manual 6. Do not remove a replacement ES device from its protect
might be equipped. tive package until immediately before you are ready to
5. Do not apply AC power to this DVD player and/or any install it. (Most replacement ES devices are packaged
of its electrical assemblies unless all solid-state device with leads electrically shorted together by conductive
heat sinks are correctly installed. foam, aluminum foil, or comparable conductive material).
6. Always connect test instrument ground lead to the 7. Immediately before removing the protective material
appropriate ground before connection the test instrument from the leads of a replacement ES device, touch the
positive lead. Always remove the test instrument ground protective material to the chassis or circuit assembly into
lead last. which the device will be installed.
Insulation Checking Procedure Caution: Be sure no power is applied to the chassis or
Disconnect the attachment plug from the AC outlet and circuit, and observe all other safety precautions.
turn the power on. Connect an insulation resistance 8.Minimize bodily motions when handing unpackaged
meter (500V) to the blade of the attachment plug. The replacement ES devices. (Normally harmless motion
insulation resistance between each blade of the such as the brushing together of your clothes fabric or
attachment plug and accessible conductive parts (Note 1) the lifting of your foot from a carpeted floor can generate
should be more than 1M-ohm. static electricity sufficient to damage an ES device.)
Note 1: Accessible Conductive Parts including Metal
panels, Input terminals, Earphone jacks, etc.
1-5
SPECIFICATIONS
DVD VIDEO PLAYER
POWER SUPPLY...................................................... AC 230V,50Hz (EUR)/120V,60Hz(US/CANADA)
Power consumption................................................. 30W
External dimensions ................................................ 435