Marantz-CR-2020-Service-Manual 电路图 维修手册.pdf

Model CR2020 User Guide MUSIC CONSOLE R CLASS 1 LASER PRODUCT LUOKAN 1 LASERLAITE KLASS 1 LASERAPPARAT RadioFans.CN 收音机爱 好者资料库 CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK) NO USER-SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the products enclosure that may be of suffi- cient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating 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. CAUTION:TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT. ATTENTION: POUR VITER LES CHOCS LECTRIQUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQUAU FOND. NOTE TO CATV SYSTEM INSTALLER: This reminder is provided to call the CATV (Cable-TV) system installers attention to Article 82040 of the NEC, that provides guidelines for proper grounding and, in particular, specified that the cable ground shall be connected to the grounding system of the building, as close to the point of cable entry as practical. NOTE: 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 Rules. These limits are designed to provide reasonable protection against harmful interfer- ence in a residential installation. This equipment gener- ates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruc- tions, may cause harmful interference to radio commu- nications. However, there is no guarantee that interfer- ence will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by tuning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the follow- ing 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 techni- cian for help. NOTE: Changes or modifications may cause this unit to fail to comply with Part 15 of the FCC Rules and may void the users authority to operate the equipment. RadioFans.CN 收音机爱 好者资料库 1 This product was designed and manufactured to meet strict quality and safety standards. There are, however, some installation and operation precautions which you should be particularly aware of. 1.Read InstructionsAll the safety and operating instructions should be read before the appliance is operated. 2.Retain InstructionsThe safety and operating instructions should be retained for future reference. 3.Heed WarningsAll warnings on the appliance and in the operating instructions should be adhered to. 4.Follow InstructionsAll operating and use instructions should be followed. 5.CleaningUnplug this video product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning. 6.AttachmentsDo not use attachments not recommended by the video product manufacturer as they may cause hazards. 7.Water and MoistureDo not use this video product near waterfor example, near a bath tub, wash bowl, kitchen sink, or laundry tub, in a wet basement, or near a swimming pool, and the like. 8.AccessoriesDo not place this video product on an unstable cart, stand, tripod, bracket, or table. The video product may fall, causing serious injury to a child or adult, and serious damage to the appliance. Use only with a cart, stand, tripod, bracket, or table recommended by the manufacturer, or sold with the video product. Any mounting of the appliance should follow the manufacturers instructions, and should use a mounting accessory recommended by the manufacturer. 9.VentilationSlots and openings in the cabinet are provided for ventilation and to ensure reliable operation of the video 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 video product on a bed, sofa, rug, or other similar surface. This video product should never be placed near or over a radiator or heat register. This video product should not be placed in a built in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturers instructions have been adhered to. 10.Power SourcesThis video product should be operated only from the type of power source indicated on the marking label. If you are not sure of the type of power supply to your home, consult your appliance dealer or local power company. For video products intended to operate from battery power, or other sources, refer to the operating instructions. 11.Grounding or PolarizationThis video product is equipped with a polarized alternating current line plug (a plug having one blade wider than the other). This plug will fit into the power outlet only one way. This is a safety feature. If you are unable to insert the plug fully into the outlet, try reversing the plug. If the plug should still fail to fit, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the polarized plug. AC POLARIZED PLUG 12.Power Cord ProtectionPower 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 appliance. 13.Protective Attachment Plug The appliance is equipped with an attachment plug having overload protection. This is a safety feature. See Instruction Manual for replacement or resetting of protective device. If replacement of the plug is required, be sure the service technician has used a replacement plug specified by the manufacturer that has the same overload protection as the original plug. 14.Outdoor Antenna GroundingIf an outside antenna or cable system is connected to the video product, be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built up static charges. Section 810 of the National Electrical Code, ANSI/NFPA No. 70 1984, provides information with respect to proper grounding of the mast and supporting structure, grounding of the lead in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection to grounding electrodes, and requirements for the grounding electrode. See Figure 1. SAFETY INSTRUCTIONS READ BEFORE OPERATING EQUIPMENT LASER SAFETY This unit employs a laser, Only a qualified service person should remove the cover or attempt to service this device, due to possible eye injury. CAUTION USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURE OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIA- TION EXPOSURE. RadioFans.CN 收音机爱 好者资料库 2 FIGURE 1 EXAMPLE OF ANTENNA GROUNDING ACCORDING TO NATIONAL ELECTRICAL CODE INSTRUCTIONS CONTAINED IN ARTICLE 810 - “RADIO AND TELEVISION EQUIPMENT” GROUND CLAMPS POWER SERVICE GROUNDING ELECTRODE SYSTEM (NEC ART 250, PART H) ANTENNA DISCHARGE UNIT (NEC SECTION 810 20) GROUNDING CONDUCTORS (NEC SECTION 810 21) ANTENNA LEAD IN WIRE GROUND CLAMP ELECTRIC SERVICE EQUIPMENT NEC NATIONAL ELECTRICAL CODE 15.LightningFor added protection for this video product receiver during a lightning storm, or when it is left un attended and unused for long periods of time, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the video product due to lightning and power line surges. 16.Power LinesAn outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits, or where it can fall into such power lines or circuits. When installing an outside antenna system, extreme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal. 17.OverloadingDo not overload wall outlets and extension cords as this can result in a risk of fire or electric shock. 18.Object and Liquid EntryNever push objects of any kind into this video 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 th video product. 19.ServicingDo not attempt to service this video product yourself as opening or removing covers may expose you to dangerous voltage or other hazards. Refer all servicing to qualified service personnel. 20.Damage Requiring ServiceUnplug this video 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 video product. c. If the video product has been exposed to rain or water. d. If the video 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 video product to its normal operation. e. If the video product has been dropped or the cabinet has been damaged. f. When the video product exhibits a distinct change in performancethis indicates a need for service. 21.Replacement PartsWhen 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. 22.Safety CheckUpon completion of any service or repairs to this video product, ask the service technician to perform safety checks to determine that the video product is in proper operating condition. 23.Carts and StandsThe appliance should be used only with a cart or stand that is recommended by the manufacturer. 24.An appliance and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the appliance and cart combination to overturn. This Class B digital apparatus meets all requirements of the Canadian Interference Cansing Equipment Regulations. Cet appareil numrique de la Classe B respecte toutes les exigences du Rglement sur le matriel brouilleur du Canada. 3 IN OUT IN L R OUT 220V 230V115V VOLTAGE SELECTOR SPEAKER SYSTEM 6 OHMS RL AUX ANNTENA FM(75)GNDAM SYSTEM 220V 230V115V CD DIG OUT D. BUS K version IN OUT IN L R OUT R SPEAKER SYSTEM 6 OHMS RL AUX ANNTENA FM(75)GNDAM SYSTEM CD DIG OUT D. BUS U version POWER EDIT CLOCKMEMO TUN PRESET PHONES M NMAX VOL CD/TUNER AMPLIF ER CR2020 F SEL D SPLAY TIMER FM/AM F/P BASS DOWNUP werty7ui wertyui !0!5!61o !1!2!36!7 !90 !8 2 3 45 q q lmnop a b c de f g hijk !4 Figure 2 4 ENGLISHENGLISH INTRODUCTION Thank you for selecting the Marantz model CR2020 MUSIC CONSOLE for your audio system. This Stereo Cassette Deck incorporates a number of features designed to enhance the listening of your favorite audio sources. Please read these operating instructions carefully. We recommend that you read the entire user guide before you attempt to connect or operate the unit. After you have reviewed the contents of this manual, we suggest that you make all system connections before you attempt to operate the unit. Refer to the Figures on pages 3 and 23 at the rear of this user guide. The callout numbers on the Figures correspond to those found in the text. All references to the connections and controls that are printed in BOLD type are as they appear on the unit. PRECAUTIONS The following precautions should be taken when operating the equipment. GENERAL PRECAUTIONS When setting the equipment ensure that: the ventilation holes are not covered air is allowed to circulate freely around the equipment it is on a vibration free-surface it will not be exposed to interference from an external source it will not be exposed to excessive heat, cold, moisture or dust it will not be exposed to direct sunlight it will not be exposed to electrostatic discharges Never place heavy objects on the equipment. If a foreign body or water does enter the equipment, contact your nearest dealer or service centre. Do not pull out the plug by pulling on the mains lead, hold the plug. It is advisable when leaving the house, or during a thunderstorm, to disconnect the equipment from the mains supply. FEATURES ? Top-end models of the Slim Line Series This model has a very slim shape and a height of 68 mm. All buttons except for the control knobs are concealed behind a front flap. ? High power output of 25 W ? 25 W (DIN, into 6 ohms) ? Door open/close mechanism operates by means of a touch sensor ? 30-Station random preset tuner Station names consisting of 8 characters can be stored together with the frequencies. ? System operation This unit can be operated as a system component in combination with a MD Deck and tape deck of the Marantz Slim Line Series. ? 2-Program Timer/Sleep Timer ? System remote control The remote control supplied with this unit can also be used to operate the MD Deck and tape deck of the Marantz Slim Line Series. In this manual, the controls on the main unit are enclosed in a circle, e.g. q, and the controls on the remote control are enclosed in a square, e.g.z. 5 ENGLISH ? If this unit is to be connected to a MD Deck and tape deck of the Marantz Slim Line Series, refer to “System Connection through AL- Bus” shown in below figure. System Connection through AL-Bus ? Use the following connections if this unit is to be used in combination with the Marantz Slim Line Series components. NOTE: If these components are to be stacked, always observe the stacking order shown in this illustration, that is, the receiver on top, the tape deck in the middle and the MD deck at the bottom. IN OUT IN L R OUT R 220V 230V115V VOLTAGE SELECTOR SPEAKER SYSTEM 6 OHMS RL AUX ANNTENA FM(75)GNDAM SYSTEM 220V 230V115V CD DIG OUT D. BUS L R IN OUT D BUS EXT SYSTEM REMOTE IN SYSTEM OUT LINE L R IN OUT INOUT LINE OUT SYSTEM ANALOG D BUS INOUT DIGITAL REMOTE EXTNTSYSTEM 220V110V VOLTAGE SELECTOR SD2020 MD2020 CR2020 CONNECTIONS Connection of D-BUS Remote Control Bus This unit is equipped with the remote control bus function. By connecting it to Marantz system components equipped with remote control (D.BUS/RC 5) jacks, such as a MD Deck and tape