Cambridge-340ASE-int-sm维修电路原理图.pdf

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1、 Gallery Court Hankey Place London SE1 4BB UK Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233 340A SE Issue Date: 9th August 2006 _ SERVICE MANUAL _ SPECIFICATIONS: Power Output 45W (into 8) 55W (into 4) Max Power Consumption 360W Total Harmonic Distortion 1kHz 0.01% 20kHz 0.01% Frequency Response

2、 (-1dB) 5Hz 50kHz S to N Ration (unweighted) 92dB Slew Rate (into 8) 20V/uS Dimensions (HxWxD) mm 70 x 430 x 310 Inches 2.8 x 16.9 x 12.2 Weight Kg 6.2 Lbs 13.6 AP20599/1 1RadioFans.CN 收音机爱 好者资料库 340A SE SERVICE MANUAL TABLE OF CONTENTS Safety Precautions & Important Notes 3 Exploded Drawing 4 Explo

3、ded Drawing Parts List 5 Amplifier PCB Schematic (Tone Control) 6 Amplifier PCB Schematic (Power Supplies) 7 Amplifier PCB Schematic (Power Amplifier) 8 Amplifier PCB Schematic (Ipod Input Circuit) 9 Amplifier PCB Schematic (Input Select) 10 Amplifier PCB Board Layout (Top Side) 11 Amplifier PCB Boa

4、rd Layout (Bottom Side) 12 PCB Main Assembly BOM 13-14 Microcontroller PCB Schematic 15 Microcontroller PCB Board Layout (Top Side) 16 Microcontroller PCB Board Layout (Bottom Side) 17 Front Panel PCB Assembly BOM 18 IC Pin Layout Details 19-20 2RadioFans.CN 收音机爱 好者资料库SAFETY PRECAUTIONS & IMPORTANT

5、NOTES 1. Check that the rear of the product indicates the correct supply voltage for your area. 2. The lighting flash with the arrowhead within an equilateral triangle is intended to alert the user or service agent to the presence of dangerous voltages within the product enclosure that may be of suf

6、ficient magnitude to constitute a risk of electric shock to persons. 3. The exclamation point within an equilateral triangle is intended to alert the user or service agent to the presence of important operating and maintenance (Servicing) instructions in the literature accompanying the appliance. 4.

7、 This product complies with EEC Low Voltage (73/23/EEC) and Electromagnetic Compatibility (89/336/EEC) Directives when used and serviced in accordance with this manual. For continued compliance all components marked safety and EMC critical must only be replaced by Cambridge Audio approved parts. 5.

8、Any unauthorised design alterations or additions will void the manufacturers warranty; furthermore the manufacturer cannot accept responsibility for personal injury or property damage resulting therefrom. 6. When servicing, care should be taken to observe the original routing and dressing of the lea

9、ds and it should be confirmed that they have been returned to normal after re-assembly. Notes on chip component replacement Never reuse a component that has been removed from a PCB Notice that the minus side of a tantalum capacitor may be damaged by heat COPYRIGHT NOTICE. 2006 Audio Partnership PLC.

10、 All rights reserved. Cambridge Audio and Azur are registered trademarks for Audio Partnership PLC. This document may not be reproduced, distributed, transmitted, displayed, published, or broadcast without the express written prior permission of Audio Partnership PLC. Alteration or removal of any tr

11、ademark, copyright, or other notice from this content is prohibited. Information provided in this document is provided solely for the use of official service agents in repairing and servicing Audio Partnership PLC products. 3Cambridge Audio Azur 340A SE AmplifierExploded Drawing678111111123210567810

12、19486-756-8687998To enhance viewing, please print A34Cambridge Audio Azur 340A SE AmplifierExploded Drawing Parts ListDrawing ReferenceAP Part NumberFactory Part NoDescriptionPY640Top Panel (Silver)PY641Top Panel (Black)PY5167002-608010-006Lid T6 Torx Screws (Silver)PY5157002-608010-001Lid T6 Torx S

13、crews (Black)1PY11929434-015010E11Azur 340A SE Main PCB 230V AP199543 Rev A Type2PY11939434-015010E41Azur 340A SE Control PCBA AP151856 Rev A3PY11976534-150007E000A01Azur 340A SE Front Panel - Silver with Silkscreen (Metal-work Only)3PY11966534-150007E000-01Azur 340A SE Front Panel - Black with Silk

14、 screen (Metal-work Only)4PY11948534-015030E301Azur 340A SE Front Panel Assy (Silver) Rev A4PY11958534-015040E301Azur 340A SE Front Panel Assy (Black) Rev A5PY1012Remote Control (340/540/640A)PY9456040-150002-000-01Battery Door for Azur R/C Black Painted (USD)6PY8106550-010207-000-02Azur-640C Small

15、Side Panel (Silver)6PY11156550-010207-000-01Azur 640C Small Side Panel (Black)7PY11118554-001020-701Small Support Rear Assy (with two brass inserts)8PY11128554-001010-701Small Support Front Assy (with two brass inserts)9PY6423200-069331E000Transformer (T06933A rev 06) 230V 24V*2/3A 17*2/150ma 340A (

16、Europe version)9PY10843200-071211-000TR. (T0712A REV03) 115VAC 24.7V*23A 17V*20.15A 340A (USA version)10PY5416050-150010-000A01Foot (Silver)10PY5316050-150010-000Foot (Black)PY5446600-170100-000Foot Pad (Self Adhesive)11PY5926050-150004-002-02Azur-640A Grey Colour Selector Knob (Silver)11PY593540A/6

17、40A Selector Knob (Black)12PY590540A/640A Volume Knob (Silver)12PY591540A/640A Volume Knob (Black)*Please order using AP part number.86-756-86879985Cambridge Audio Azur 340A SE AmplifierAP19951/3 Amplifier PCB Schematic (Tone Control)C1330p polyR122kR24k7R34k7R48k2R118k2C6150n polyC910pSW1:ASW-DPDTD

18、EFEAT-15V+15VC10330p polyR2022kR424k7R434k7R448k2R458k2C11150n polyC1510pSW1:BSW-DPDTDEFEATC1647n polyC1747n poly32184U2:ANE5532567U2:BNE5532R SEL OUTL SEL OUTPOWER AMP RIGHTPOWER AMP LEFTR52150kR54150kR59150kR60150k132VR1:A20K MOTORISED DUAL POT465VR1:B20K MOTORISED DUAL POT465VR4:BMN20K BALANCE132

19、VR4:AMN20K BALANCE132VR2:AB20K LINEAR465VR2:BB20K LINEAR132VR3:AB20K LINEAR465VR3:BB20K LINEARZERO LOSSWHEN CENTRALTONE CONTROLVOLUME/BALANCE CONTROLTREBLEBASSTREBLEBASSC1947U 16V ELC2047U 16V ELC2947U 16V ELC3247U 16V EL86-756-8687998To enhance viewing, please print A36Cambridge Audio Azur 340A SE

20、AmplifierAP19951/3 Amplifier PCB Schematic (Power Supplies)earthC246800uF-50VC276800uF-50V+28V-28VD11N5402D21N5402D31N5402D41N5402F1T6A3 ALLVD!F2T6A3 ALLVD!0V23V23VF320MM T6.3AL or 3.15ALTO MAINS TRANSFORMERJ5BLUE/WHITEJ6BROWN/BLACKLNECN3IEC-SOCC34X1 10nC35X1 10nC44X2 470N SUPPRESSIONFROM TRANSFORME

21、RF420MM T1ALF520MM T1AL12SW3KDC-A04-10D51N4002D61N4002D71N4002D81N4002J7TERMINALgreenJ9TERMINALpurpleJ10TERMINALblueC451000u 35VC46470u 35VVI1VO3GND2U57805C4747u 16VC4847n polyVI1VO3GND2U87815VI2VO3GND1U97915C49100u 25VC50100u 25V+5VC5147n polyC5247n polyC5347n poly+15V-15VFROM TRANSFORMER+20VJ3TERM

22、INALJ4TERMINALJ8TERMINALMAINS SWITCH PCBOPAMP SUPPLYMICROCONTROLLER SUPPLYPOWER AMP SUPPLYC28X2 470N SUPPRESSIONALTERNATIVE POSITIONS FORX-CAPS WITH DIFFERENT LEAD PITCHESMAINS GNDTo sheet 1R491K8P1PADP2PADPOWER LED86-756-8687998To enhance viewing, please print A37Cambridge Audio Azur 340A SE Amplif

23、ierAP19951/3 Amplifier PCB Schematic (Power Amplifiers)R81K+10-9OUT3V-4GND7MUTE8V+1V+25NC26NC2NC311U6LM3886C2100nF 100VL1+28V-28VR927KR48RES2W 2R2R56RES2W 10RR5727KR5822KC23100U 16V NO FITPOWER AMPLIFIER LEFTR651K+10-9OUT3V-4GND7MUTE8V+1V+25NC26NC2NC311U7LM3886C36100nF 100VL2+28V-28VR6627KR67RES2W 2

24、R2R68RES2W 10RR6927KR7022KC39100U 16V NO FITPOWER AMPLIFIER RIGHTPOWER AMP LEFTPOWER AMP RIGHTC40100U 50V HRC41100U 50V HRC42100U 50V HRC43100U 50V HRMUTER7147KQ1BC327+5VR7247KR7347KR7447KQ2BC337AMP MUTEAMP MUTE-28VHI = MUTESW2:ASW-DPDTSW2:BSW-DPDTSPEAKER B ON/OFFRSW1RSW2RLGNDLSW1LSW22431785CN1HEADP

25、HONE JACKR61220R 3W CR62470R 1W CR63220R 3W CR64470R 1W C12CN2:ASPKR 4-WAY43CN2:BSPKR 4-WAY56CN2:CSPKR 4-WAY87CN2:DSPKR 4-WAYLEFT: SPEAKER ALEFT: SPEAKER BRIGHTRIGHT345RL1:B12V 8A RELAY678RL1:C12V 8A RELAY12RL1:A12V 8A RELAY360RQ3BC337D91N4001R75220R1/2 W+20VR764K7OUTPUT RELAYR7747KR7847KSPEAKER ASP

26、EAKER BQ4BC327Q5BC337D101N4148D111N4148R791K8R803K3D121N4148D131N4148D141N4148D151N4148-15V+15VDC OFFSETR123K9R132K2D165V1HI = NORMALC5422U 50V NPC5522U 50V NPDC OFFSET DETECT40W 8 Ohms= 17.9 VrmsR53270KR55270KR81470RR82470RTIP = LEFTRING = RIGHTLM3886LM3886C671nFMAINS GNDC681nFMAINS GNDC691nFMAINS

27、GNDC701nFMAINS GNDC7133pFC7233pFC7310pFC7410pFC310U 16VC3710U 16VC2247U 16V ELC3847U 16V EL86-756-8687998To enhance viewing, please print A38Cambridge Audio Azur 340A SE AmplifierAP19951/3 Amplifier PCB Schematic (Ipod Input Circuit)+5VQ6BC337R8510kD171N400112RL2:ARELAY32184U3:ANE5532-15V+15VINPUT B

28、UFFER +24dBR861kC7547n polyC7647n polyC7922pR901kR91100kR923k9R9362kC8122pL CH IN2316745CN6CKX-3R CH INGND_IPOD345RL2:BRELAY678RL2:CRELAYL SEL OUTR SEL OUT567U3:BNE5532R9491R+15VR951kSHIELDGNDIPOD_LIPOD_RR96100kR97100kC77100pC82100pR8962kR883k9R87100kLK506LINK5MMLK507LINK5MM123456CN72,5MM 6W ST HEAD

29、ER123456CN112,5MM 6W ST HEADERFOR 340A SE = FIT ALL COMPONENTS EXCEPT LK506 & LK507FOR 340A = ONLY FIT LK506 & LK507DO NOT FIT OTHER COMPONENTSFIT ONLY FOR 340AFIT ONLY FOR 340Aipod input = 282mVC7810U 16VC8010U 16VLK308LINK5MMLK200LINK10MMLK301LINK10MMLK302LINK10MMLK303LINK10MMLK304LINK10MMLK305LIN

30、K10MMJ2 Pin 9LK210LINK10MMLK211LINK10MMLK212LINK15MMLK213LINK10MM86-756-8687998To enhance viewing, please print A39Cambridge Audio Azur 340A SE AmplifierAP19951/3 Amplifier PCB Schematic (Input Select)21CN4:AQUAD PHONO3CN4:BQUAD PHONO54CN4:CQUAD PHONO6CN4:DQUAD PHONO21CN5:AQUAD PHONO3CN5:BQUAD PHONO

31、54CN5:CQUAD PHONO6CN5:DQUAD PHONO21CN8:AQUAD PHONO3CN8:BQUAD PHONO54CN8:CQUAD PHONO6CN8:DQUAD PHONO32184U1:ANE5532567U1:BNE5532-15V+15V-15V+15VR5220KR6220KR71kR101kR141kR15220KR16220KR171kR181KR191kR21220KR22220KR23220KR241kR251kR261kR271kR281kR291kR30220KR31220KC447n polyC547n polyC847n polyC1222pC

32、1322pR32220KR3310kR3410kR3510kR3610kR37100kR38100kR39100kR40100kR411kR461kR47100RC26100nF 100VL CH INR CH INR50220KR51220K21CN9:ADUAL PHONO3CN9:BDUAL PHONOLEFTRIGHTTAPE RETURN RIGHTTAPE RETURN LEFT+5VINPUT/TAPE SELECT SWITCHMUTEMICROCONTROLLERBOARD CONNECTOROUTPUT RELAYDC OFFSETDATACLOCKSTROBE2356AB

33、CDLRLRTAPE OUT RAUX RCDTUNER/DABDVDAV/MDAUX LCDTAPE OUT LTUNER/DABDVDAV/MDBTBTVss1L-S12L-S23L-S34L-COM15L-S46L-S57L-S68L-COM29L-S710L-S811L-COM312ST13GND14Vdd28R-S127R-S226R-S325R-COM124R-S423R-S522R-S621R-COM220R-S719R-S818R-COM317DATA16CLK15U4TC9163INPUT BUFFER +6dBMAINS GNDC1810U 35V NPC2110U 35V

34、 NPC3010U 35V NPC3110U 35V NPC3310U 35V NPC5610U 35V NPC5710U 35V NPC5810 pFC5910 pFR83220KR84220KC6010U 35V NPC6110U 35V NPC6210U 35V NPC6310U 35V NPC6410U 35V NPC6510U 35V NPC6610U 35V NPC747n polyC2510U 16VC1410U 16V123456789J22,5MM 9W 90 HEADERJ2 Pin 9FOR 340A SEFOR 340A9 Way8 Way8 Way9 WayPin 2

35、7 on U1on AP14519/3CN2 on AP14519/3CN2 on AP14519/3J2 on AP19952/3J2 on AP19952/3pin 9 not connected for 340A86-756-8687998To enhance viewing, please print A310Cambridge Audio Azur 340A SE AmplifierAP19951/3 Amplifier PCB Board Layout (Top Side)86-756-8687998To enhance viewing, please print A311Camb

36、ridge Audio Azur 340A SE AmplifierAP19951/3 Amplifier PCB Board Layout (Bottom Side)86-756-8687998To enhance viewing, please print A312AP19954/3AP Part NoValueDescriptionQtyComponent IdentNotesRESISTORS2R22W Metal Film2R48, R67Stand off PCB by 5mm10R2W Metal Film2R56, R68Stand off PCB by 5mm91R2W Me

37、tal Film1R94100R0.25 W 1% Metal Film1R47220R0.5 W Metal Film1R75220R3W Metal Film2R61, R63Stand off PCB by 5mm470R0.25 W 1% Metal Film2R81, R82470R1W Metal Film2R62, R64Stand off PCB by 5mm1K0.25 W 1% Metal Film18R7, R8, R10, R14, R17, R18, R19, R24-R28, R29, R41, R46, R65,R86,R90, 1K80.25 W 1% Meta

38、l Film2R49, R792K20.25 W 1% Metal Film1R133K30.25 W 1% Metal Film1R803K90.25 W 1% Metal Film3R12,R88,R924k70.25 W 1% Metal Film5R2, R3, R42, R43, R768k20.25 W 1% Metal Film4R4, R11, R44, R4510k0.25 W 1% Metal Film5R33-R36,R851K0.5 W Metal Film1R9522k0.25 W 1% Metal Film4R1, R20, R58, R7027K0.25 W 1%

39、 Metal Film4R9, R57, R66, R6947K0.25 W 1% Metal Film6R71-R74, R77, R7862K0.25 W 1% Metal Film2R89, R93100K0.25 W 1% Metal Film8R37-R40, R87,R91, R96, R97150k0.25 W 1% Metal Film4R52, R54, R59, R60220K0.25 W 1% Metal Film14R5, R6, R15, R16, R21-R23, R30-R32, R50, R51, R83, R84270K0.25 W 1% Metal Film

40、2R53, R55CAPACITORS22pFCeramic NPO. Pitch= 5.0mm4C12, C13,C79,C8133pFCeramic NPO. Pitch= 5.0mm2C71, C72EMC Suppression10pFCeramic NPO. Pitch= 5.0mm6C9, C15, C58, C59, C73, C74100pFCeramic NPO. Pitch= 5.0mm2C77, C82330pFPolyester. Pitch= 5.0mm2C1, C101nFCeramic Y5P 50V. Pitch= 5.0mm4C67,C68,C69,C70EM

41、C Suppression10nFX1 Mains rated Ceramic. Pitch= 5.0mm2C34, C35EMC Suppression47nFPolyester Pitch= 5.0mm12C4, C5, C7, C8, C16, C17, C48, C51-C53, C75, C76100nFCeramic 100V Pitch= 5.0mm3C2, C26, C36150nFPolyester Pitch= 5.0mm2C6, C11470nFX2 Mains rated Polypropylene. Pitch 22.5mm1C28EMC. C44 is altern

42、ative fit for 27.5 mm pitch10uFElectrolytic 35V NP Pitch= 2.0mm20C3, C14, C18, C21, C25, C30, C31, C33, C37, C56, C57, C60, C61, C62, C63, C64, C65, C66, C78, C80Some cap will have silk print of an electrolytic22uFElectrolytic 50V NP Pitch= 2.0mm2C54, C5547uFElectrolytic 16V Pitch= 2.5mm5C20, C22, C

43、32, C38, C4747uFElectrolytic 16V NP Pitch= 2.5mm2C19, C29Silk print is electrolytic100uFElectrolytic 50V HR Pitch= 5.0mm4C40-C43100uFElectrolytic 25V Pitch= 2.5mm2C49, C50470uFElectrolytic 35V Pitch= 5.0mm1C461000uFElectrolytic 35V Pitch= 5.0mm1C4510000uFCambridge Audio Branded Electrolytic 50V Pitc

44、h= 10.0mm2C24, C27Glue both capacitors to PCBSEMICONDUCTORSPY259NE5532Dual Low Noise Operational Amplifier3U1,U2, U3DIL packagePY476TC9163AFInput Switching1U4surface mount packagePD0357805TVoltage Regulator +5V1U5TO220 packagePY644LM3886THigh Performance Audio Power Amplifier2U6,U7PD0377815TVoltage

45、Regulator +15V1U8TO220 packagePD0387915TVoltage Regulator -15V1U9TO220 packageTRANSISTORSPY219BC327PNP Small Signal2Q1, Q4PY214BC337NPN Small Signal4Q2, Q3, Q5, Q6Cambridge Audio Azur 340A SE PCB Main Assembly BOMNOte: resistors, capacitors amd other generic electronic components are not usually sto

46、cked by the manufacturer. Please obtain these locally.13AP19954/3AP Part NoValueDescriptionQtyComponent IdentNotesCambridge Audio Azur 340A SE PCB Main Assembly BOMDIODES1N5402General Purpose Rectifier4D1-D41N4002General Purpose Rectifier4D5-D81N4001General Purpose Rectifier2D9, D171N4148High Speed

47、Signal6D10-D15BZX85-C5V1Zener 400mW1D16MISCELLANEOUST6.3AL6.3A time delay Fuse-20mm low breaking capacity2F1, F2Secondary fusesT3.15AL OR T6.30AL3.15A or 6.3A time delay Fuse-20mm low breaking capacity1F3For EU & UK Models (230V) - F3 should be fitted with T3.15AL.For CU Models (115V) - F3 should be

48、 fitted with T6.3AL.T1AL1A time delay Fuse-20mm low breaking capacity2F4, F5Secondary fusesPY59412V coil, 8A 250VACMassuse Me-11 012-2Z4Relay-s2RL1, RL2PY00420K MOTORISED DUAL POT Pot-Dual-Motor1VR1PY003B20K LINEARPot-Dual2VR2, VR3PY005MN20K BALANCEPot-Dual1VR4CONNECTORSPY6462330-005901-300Headphone

49、 Jack1CN1As 540A amplifierPY647WP8-21ASpkr 4-Way1CN2PY226YN 2336-003910-002IEC-Socket1CN3As 540A amplifierCKX-3.5-0.73.5mm HEADPHONE JACK1CN6PY036YN 2330-006911-021Quad Phono3CN4, CN5, CN8PY035AV2-8.4-9Dual Phono1CN9SWITCHPY6452402-020200-010SW-DPDT2SW1, SW2As 540A amplifierPY227KDC-A04-10Mains swit

50、ch 10A 250V TV-81SW3mains switchNOte: resistors, capacitors amd other generic electronic components are not usually stocked by the manufacturer. Please obtain these locally.14Cambridge Audio Azur 340A SE AmplifierAP14518/3 Microcontroller PCB SchematicRC617RC516RC415RC314RC213RC112RC011OSC210RA02RA2