Cambridge-650R-av-sm维修电路原理图.pdf

Gallery Court Hankey Place London SE1 4BB UK Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233 650R Issue Date: February 2010 _ SERVICE MANUAL _ SPECIFICATIONS: Azur650R7.1HDMI1.3AVRHDMI Switching 1.3c, 3 inputs 1 output Analogue video up-conversion transcode any analogue format upwards to the other analogue formats and to HDMI HDTV capable via component video or HDMI/DVI Decoding formats: LPCM, Dolby Digital / Dolby Digital EX, DTS / DTS ES Matrix/Discrete, PLII/PLIIx, DTS Neo:6, Dolby True HD, Dolby Digital Plus, DTS-HD Master Audio, DTS-HD High Resolution Audio, Multi-channel PCM. All in 5.1/6.1 or 7.1 variants 32-bit DSPs, 24/192 capable DACS Post processed Dolby / DTS modes (convert 5.1 to 7.1) Post process 5.1 or 6.1 formats with PLIIX or Neo:6 to 7.1 On-Screen Display (OSD) Available via composite video, S-video, component video and HDMI Separate stereo DAC for left/right from surround channel codec Audio Inputs: 8 line analogue, tuner (FM/AM), 7.1 analogue input, 5 digital coaxial, 6 digital optical Video Inputs: 5 composite, 5 s-video, 3 component video, 3 HDMI Audio Outputs: 7 amplified speaker outputs, 7.1 preamp outputs Video Outputs: 1 composite, 1 s-video, 1 component video, 1 HDMI Recording Audio outputs: 2 line level analogue, 2 digital coaxial, 2 digital optical Recording Video Outputs: 1 composite, 1 s-video Other Connections 1 1/4 / 6.35mm headphone output, Control bus input/output, 1 IR emitter In, 1 RS232C, 1 IEC type mains inlet 1RadioFans.CN 收音机爱 好者资料库 Gallery Court Hankey Place London SE1 4BB UK Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233 Incognito Ready 2 Incognito keypad outputs (2nd/3rd Zone), 3 IR emitter outputs, 2 composite video outputs (2nd/3rd Zone), 1 external power supply input 24VDC Audio split mode Watch and listen to different sources Bi-amp mode Bi-amplify front left/right speakers when in a 5.1 set-up Full function aluminium face Azur Navigator remote Audio: Power Output: 7 x 100 watts rms per channel, 8 ohms (all 7 channels driven) 2 x 120 watts rms per channel, 8 ohms (two channels driven) THD: 0.006% 1kHz Crosstalk: 90dB A weighted Audio input impedance/sensitivity 47kOhms/175mV or greater Digital input impedance: 75ohms (coaxial/SPDIF) Tone Controls: Bass +/-10dB 100Hz Treble +/-10dB 10Hz Tuner: FM mode / RDS 87.5-108MHz, 75 ohm coaxial aerial AM mode 522-1629Hz, 300 ohm loop aerial General Quiescent power consumption: 70w Max. Power Consumption: 1400w Dimensions (H x W x D): 150 (inc feet) x 430 x 420 (inc volume knob and speaker terminals) mm (5.9 x 16.9 x 16.5 inches) Weight: 15kg (33lbs) 2RadioFans.CN 收音机爱 好者资料库 TABLE OF CONTENTS Specifications_ 1 - 2 Table of Contents_ 3 - 4 Safety Instructions_ 5 - 6 Front Panel Controls_ 7 Rear Panel Connections_8 Remote Control_ 9 Block Diagram_10 ABUS PCB_ 11 AMP PCB_ 12 AV3 PCB_13 Connect 1 PCB_14 Connect 2 and Video PCB_ 15 - 16 Decoder PCB_ 17 - 18 Decoder Shield PCB_19 Fuse, Speaker and RS232 PCB_20 Optical and Coax PCB_ 21 PAMP 1&2 PCB_ 22 Display Volume and Phones PCB_23 HDMI PCB_ 24 - 25 ABUS Schematic_26 AMP Schematic_ 27 - 30 Connect 1 Schematic_31 Video PCB Schematic_32 - 36 Decoder Schematic_ 37 - 41 Fuse, Speaker and RS232 Schematic_ 42 Coax Schematic_ 43 Optical Schematic_ 44 650R Service Manual3 PAMP 1 Schematic_45 PAMP 2 Schematic_46 Display Schematic_ 47 HDMI Schematic_ 48 - 54 Service Parts List_55 - 57 Exploded Diagram_ 58 Parts Table_ 59 76 IC Details_ 77 - 91 650R Service Manual4For your own safety please read the following important safety instructionscarefully before attempting to connect this unit to the mains power supply.They will also enable you to get the best performance from and prolong thelife of the unit:1. Read these instructions.2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with a dry cloth. 7. Do not block any ventilation openings. Install in accordance with themanufacturers instructions.8. Do not install near any heat sources such as radiators, heat registers,stoves, or other apparatus (including amplifiers) that produce heat.9. Do not defeat the safety purpose of the polarized or grounding-type plug.A polarized plug has two blades with one wider than the other. Agrounding-type plug has two blades and a third grounding prong. Thewide blade or the third prong are provided for your safety. If the providedplug does not fit into your outlet, consult an electrician for replacementof the obsolete outlet. 10. Protect the power cord from being walked on or pinched, particularly atplugs, convenience receptacles and the point where they exit from theapparatus. 11. Only use attachments/accessories specified by the manufacturer. 12. Use with only the cart, stand, tripod, bracket, or tablespecified by the manufacturer, or sold with the apparatus.When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.13. Unplug this apparatus during lightning storms or when unused for longperiods of time. 14. Refer all servicing to qualified service personnel. Servicing is requiredwhen the apparatus has been damaged in any way, such as the power-supply cord or plug having been damaged, liquid has been spilled orobjects have fallen into the apparatus, the apparatus has been exposedto rain or moisture, does not operate normally, or has been dropped.WARNING To reduce the risk of fire or electric shock, do not expose this unit to rainor moisture. Batteries (battery pack or batteries installed) shall not be exposed toexcessive heat such as sunshine, fire or the like.The unit must be installed in a manner that makes disconnection of themains plug from the mains socket outlet (or appliance connector from therear of the unit) possible. Where the mains plug is used as the disconnectdevice, the disconnect device shall remain readily operable. Only use themains cord supplied with this unit.Please ensure there is ample ventilation (at least 10cm clearance all round).Do not put any objects on top of this unit. Do not situate it on a rug or othersoft surface and do not obstruct any air inlets or outlet grilles. Do not coverthe ventilation grilles with items such as newspapers, tablecloths, curtains,etc.This unit must not be used near water or exposed to dripping or splashingwater or other liquids. No objects filled with liquid, such as vases, shall beplaced on the unit.Important safety instructionsThe lightning flash with the arrowhead symbol within an equilateral triangleis intended to alert the user to the presence of un-insulated dangerousvoltage within the products enclosure that may be of sufficient magnitudeto constitute a risk of electric shock to persons.The exclamation point within an equilateral triangle is intended to alert theuser to the presence of important operating and maintenance instructions inthe service literature relevant to this appliance.The symbol on this product indicates that it is of CLASS II (doubleinsulated) construction.WEEE symbolThe crossed-out wheeled bin is the European Union symbol forindicating separate collection for electrical and electronicequipment. This product contains electrical and electronicequipment which should be reused, recycled or recovered andshould not be disposed of with unsorted regular waste. Pleasereturn the unit or contact the authorised dealer from whom you purchasedthis product for more information.CE markThis product complies with European Low Voltage (2006/95/EC),Electromagnetic Compatibility (2004/108/EC) andEnvironmentally-friendly design of Energy-using Products (2005/32/EC)Directives when used and installed according to this instruction manual. Forcontinued compliance only Cambridge Audio accessories should be usedwith this product and servicing must be referred to qualified servicepersonnel.C-Tick markThis product meets the Australian Communications AuthoritysRadio communications and EMC requirements. Ross Test StampThis product meets Russian electronic safety approvals.FCC regulationsNOTE: THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TVINTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THISEQUIPMENT. SUCH MODIFICATIONS COULD VOID THE USER AUTHORITY TOOPERATE THE EQUIPMENT.This equipment has been tested and found to comply with thelimits for a Class B digital device, pursuant to Part 15 of the FCCRules. These limits are designed to provide reasonable protectionagainst harmful interference in a residential installation. This equipmentgenerates, uses and can radiate radio frequency energy and, if not installedand used in accordance with the instructions, may cause harmfulinterference to radio communications. However, there is no guarantee thatinterference will not occur in a particular installation.If this equipment does cause harmful interference to radio or televisionreception, which can be determined by turning the equipment off and on, theuser is encouraged to try to correct the interference by one or more of thefollowing measures:- Re-orient 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 towhich the receiver is connected.- Consult the dealer or an experienced radio/TV technician for help.5650RazurCambridge Audio warrants this product to be free from defects in materialsand workmanship (subject to the terms set forth below). Cambridge Audio willrepair or replace (at Cambridge Audios option) this product or any defectiveparts in this product. Warranty periods may vary from country to country. If indoubt consult your dealer and ensure that you retain proof of purchase.To obtain warranty service, please contact the Cambridge Audio authoriseddealer from which you purchased this product. If your dealer is not equippedto perform the repair of your Cambridge Audio product, it can be returned byyour dealer to Cambridge Audio or an authorised Cambridge Audio serviceagent. You will need to ship this product in either its original packaging orpackaging affording an equal degree of protection.Proof of purchase in the form of a bill of sale or receipted invoice, which isevidence that this product is within the warranty period, must be presentedto obtain warranty service.This Warranty is invalid if (a) the factory-applied serial number has beenaltered or removed from this product or (b) this product was not purchasedfrom a Cambridge Audio authorised dealer. You may call Cambridge Audio oryour local country Cambridge Audio distributor to confirm that you have anunaltered serial number and/or you purchased from a Cambridge Audioauthorised dealer.This Warranty does not cover cosmetic damage or damage due to acts ofGod, accident, misuse, abuse, negligence, commercial use, or modificationof, or to any part of, the product. This Warranty does not cover damage dueto improper operation, maintenance or installation, or attempted repair byanyone other than Cambridge Audio or a Cambridge Audio dealer, orauthorised service agent which is authorised to do Cambridge Audio warrantywork. Any unauthorised repairs will void this Warranty. This Warranty does notcover products sold AS IS or WITH ALL FAULTS.REPAIRS OR REPLACEMENTS AS PROVIDED UNDER THIS WARRANTY ARETHE EXCLUSIVE REMEDY OF THE CONSUMER. CAMBRIDGE AUDIO SHALLNOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES FORBREACH OF ANY EXPRESS OR IMPLIED WARRANTY IN THIS PRODUCT.EXCEPT TO THE EXTENT PROHIBITED BY LAW, THIS WARRANTY IS EXCLUSIVEAND IN LIEU OF ALL OTHER EXPRESS AND IMPLIED WARRANTIESWHATSOEVER INCLUDING, BUT NOT LIMITED TO, THE WARRANTY OFMERCHANTABILITY AND FITNESS FOR A PRACTICAL PURPOSE.Some countries and US states do not allow the exclusion or limitation ofincidental or consequential damages or implied warranties so the aboveexclusions may not apply to you. This Warranty gives you specific legal rights,and you may have other statutory rights, which vary from state to state orcountry to country.For any service, in or out of warranty, please contact your dealer.Plug Fitting Instructions (UK Only)The cord supplied with this appliance is factory fitted with a UK mains plug fittedwith a 5 amp fuse inside. If it is necessary to change the fuse, it is important thata 5 amp one is used. If the plug needs to be changed because it is not suitable foryour socket, or becomes damaged, it should be cut off and an appropriate plugfitted following the wiring instructions below. The plug must then be disposed ofsafely, as insertion into a mains socket is likely to cause an electrical hazard.Should it be necessary to fit a 3-pin BS mains plug to the power cord the wiresshould be fitted as shown in this diagram. The colours of the wires in the mainslead of this appliance may not correspond with the coloured markings identifyingthe terminals in your plug. Connect them as follows:The wire which is coloured BLUE must beconnected to the terminal which is markedwith the letter N or coloured BLACK.The wire which is coloured BROWN must beconnected to the terminal which is markedwith the letter L or coloured RED.The wire which is coloured GREEN/YELLOWmust be connected to the terminal which ismarked with the letter E or coloured GREEN.If your model does not have an earth wire, then disregard this instruction.If a standard 13 amp (BS 1363) plug is used, a 5 amp fuse must be fitted, or if anyother type of plug is used a 5 amp fuse must be fitted, either in the plug or adaptor,or on the distribution board. ENGLISHLimited warrantyVentilationIMPORTANT The unit will become hot when in use. Do not stack multiple unitson top of each other. Do not place in an enclosed area such as a bookcase or in acabinet without sufficient ventilation. Ensure that small objects do not fall through any ventilation grille. If this happens,switch off immediately, disconnect from the mains supply and contact your dealerfor advice.PositioningChoose the installation location carefully. Avoid placing it in direct sunlight orclose to a source of heat. No naked flame sources, such as lighted candles,should be placed on the unit. Also avoid locations subject to vibration andexcessive dust, cold or moisture. The unit can be used in a moderate climate. This unit must be installed on a sturdy, level surface. Do not place in a sealedarea such as a bookcase or in a cabinet. Any space open at the back (suchas a dedicated equipment rack) is fine, however. Do not place the unit on anunstable surface or shelf. The unit may fall, causing serious injury to a childor adult as well as serious damage to the product. Do not place otherequipment on top of the unit.Due to stray magnetic fields, turntables or CRT TVs should not be locatednearby due to possible interference.Electronic audio components have a running in period of around a week (ifused several hours per day). This will allow the new components to settledown and the sonic properties will improve over this time.Power sources The unit should be operated only from the type