Cambrigde-340ASE-int-sm维修电路图 手册.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 1 RadioFans.CN 340A SE SERVICE MANUAL TABLE OF CONTENTS Safety Precautions furthermore the manufacturer cannot accept responsibil

3、ity for personal injury or property damage resulting therefrom. 6. When servicing, care should be taken to observe the original routing and dressing of the leads and it should be confirmed that they have been returned to normal after re-assembly. Notes on chip component replacement Never reuse a com

4、ponent 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. All rights reserved. Cambridge Audio and Azur are registered trademarks for Audio Partnership PLC. This document may not be reproduced, dist

5、ributed, transmitted, displayed, published, or broadcast without the express written prior permission of Audio Partnership PLC. Alteration or removal of any trademark, copyright, or other notice from this content is prohibited. Information provided in this document is provided solely for the use of

6、official service agents in repairing and servicing Audio Partnership PLC products. 3 RadioFans.CN Cambridge Audio Azur 340A SE Amplifier Exploded Drawing 6 7 8 11 11 11 12 3 2 10 5 6 7 8 10 1 9 4 86-756-8687998 To enhance viewing, please print A34 RadioFans.CN Cambridge Audio Azur 340A SE Amplifier

7、Exploded Drawing Parts List Drawing Reference AP Part Number Factory Part NoDescription PY640Top Panel (Silver) PY641Top Panel (Black) PY5167002-608010-006Lid T6 Torx Screws (Silver) PY5157002-608010-001Lid T6 Torx Screws (Black) 1PY11929434-015010E11Azur 340A SE Main PCB 230V AP199543 Rev A Type 2P

8、Y11939434-015010E41Azur 340A SE Control PCBA AP151856 Rev A 3PY11976534-150007E000A01Azur 340A SE Front Panel - Silver with Silkscreen (Metal-work Only) 3PY11966534-150007E000-01Azur 340A SE Front Panel - Black with Silk screen (Metal-work Only) 4PY11948534-015030E301Azur 340A SE Front Panel Assy (S

9、ilver) Rev A 4PY11958534-015040E301Azur 340A SE Front Panel Assy (Black) Rev A 5PY1012Remote Control (340/540/640A) PY9456040-150002-000-01Battery Door for Azur R/C Black Painted (USD) 6PY8106550-010207-000-02Azur-640C Small Side Panel (Silver) 6PY11156550-010207-000-01Azur 640C Small Side Panel (Bl

10、ack) 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 (Europe version) 9PY10843200-071211-000TR. (T0712A REV03) 115VAC 24.7V*2

11、3A 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/640A Selector Knob (Black) 12PY590540A/640A Volume Knob (Silver) 1

12、2PY591540A/640A Volume Knob (Black) *Please order using AP part number. 86-756-8687998 5 RadioFans.CN Cambridge Audio Azur 340A SE Amplifier AP19951/3 Amplifier PCB Schematic (Tone Control) C1 330p poly R1 22k R2 4k7 R3 4k7 R4 8k2 R11 8k2 C6 150n poly C9 10p SW1:A SW-DPDT DEFEAT -15V +15V C10 330p p

13、oly R20 22k R42 4k7 R43 4k7 R44 8k2 R45 8k2 C11 150n poly C15 10p SW1:B SW-DPDT DEFEAT C16 47n poly C17 47n poly 3 2 1 84 U2:A NE5532 5 6 7 U2:B NE5532 R SEL OUT L SEL OUT POWER AMP RIGHT POWER AMP LEFT R52 150k R54 150k R59 150k R60 150k 13 2 VR1:A 20K MOTORISED DUAL POT 46 5 VR1:B 20K MOTORISED DU

14、AL POT 46 5 VR4:B MN20K BALANCE 13 2 VR4:A MN20K BALANCE 13 2 VR2:A B20K LINEAR 46 5 VR2:B B20K LINEAR 13 2 VR3:A B20K LINEAR 46 5 VR3:B B20K LINEAR ZERO LOSS WHEN CENTRAL TONE CONTROLVOLUME/BALANCE CONTROL TREBLE BASS TREBLE BASS C19 47U 16V EL C20 47U 16V EL C29 47U 16V EL C32 47U 16V EL 86-756-86

15、87998 To enhance viewing, please print A36 RadioFans.CN Cambridge Audio Azur 340A SE Amplifier AP19951/3 Amplifier PCB Schematic (Power Supplies) earth C24 6800uF-50V C27 6800uF-50V +28V -28V D1 1N5402 D2 1N5402 D3 1N5402 D4 1N5402 F1 T6A3 AL LVD! F2 T6A3 AL LVD! 0V 23V 23V F3 20MM T6.3AL or 3.15AL

16、TO MAINS TRANSFORMER J5 BLUE/WHITE J6 BROWN/BLACK L N E CN3 IEC-SOC C34 X1 10n C35 X1 10n C44 X2 470N SUPPRESSION FROM TRANSFORMER F4 20MM T1AL F5 20MM T1AL 12 SW3 KDC-A04-10 D5 1N4002 D6 1N4002 D7 1N4002 D8 1N4002 J7 TERMINAL green J9 TERMINAL purple J10 TERMINAL blue C45 1000u 35V C46 470u 35V VI

17、1 VO 3 GND 2 U5 7805 C47 47u 16V C48 47n poly VI 1 VO 3 GND 2 U8 7815 VI 2 VO 3 GND 1 U9 7915 C49 100u 25V C50 100u 25V +5V C51 47n poly C52 47n poly C53 47n poly +15V -15V FROM TRANSFORMER +20V J3 TERMINAL J4 TERMINAL J8 TERMINAL MAINS SWITCH PCB OPAMP SUPPLY MICROCONTROLLER SUPPLY POWER AMP SUPPLY

18、 C28 X2 470N SUPPRESSION ALTERNATIVE POSITIONS FOR X-CAPS WITH DIFFERENT LEAD PITCHES MAINS GND To sheet 1 R49 1K8 P1 PAD P2 PAD POWER LED 86-756-8687998 To enhance viewing, please print A37 RadioFans.CN Cambridge Audio Azur 340A SE Amplifier AP19951/3 Amplifier PCB Schematic (Power Amplifiers) R8 1

19、K + 10 - 9 OUT 3 V- 4 GND 7 MUTE 8 V+ 1 V+2 5 NC2 6 NC 2 NC3 11U6 LM3886 C2 100nF 100V L1 +28V -28V R9 27K R48 RES2W 2R2 R56 RES2W 10R R5727K R58 22K C23 100U 16V NO FIT POWER AMPLIFIER LEFT R65 1K + 10 - 9 OUT 3 V- 4 GND 7 MUTE 8 V+ 1 V+2 5 NC2 6 NC 2 NC3 11U7 LM3886 C36 100nF 100V L2 +28V -28V R66

20、 27K R67 RES2W 2R2 R68 RES2W 10R R6927K R70 22K C39 100U 16V NO FIT POWER AMPLIFIER RIGHT POWER AMP LEFT POWER AMP RIGHT C40 100U 50V HR C41 100U 50V HR C42 100U 50V HR C43 100U 50V HR MUTE R71 47K Q1 BC327 +5V R72 47K R73 47K R74 47K Q2 BC337 AMP MUTE AMP MUTE -28V HI = MUTE SW2:A SW-DPDT SW2:B SW-

21、DPDT SPEAKER B ON/OFF RSW1 RSW2 R L GND LSW1 LSW2 2 4 3 1 7 8 5 CN1 HEADPHONE JACK R61 220R 3W C R62 470R 1W C R63 220R 3W C R64 470R 1W C 1 2 CN2:ASPKR 4-WAY 4 3 CN2:B SPKR 4-WAY 5 6 CN2:CSPKR 4-WAY 8 7 CN2:D SPKR 4-WAY LEFT: SPEAKER A LEFT: SPEAKER B RIGHT RIGHT 3 4 5 RL1:B 12V 8A RELAY 6 7 8 RL1:

22、C 12V 8A RELAY 1 2 RL1:A 12V 8A RELAY 360R Q3 BC337 D9 1N4001 R75 220R 1/2 W +20V R76 4K7 OUTPUT RELAY R77 47K R78 47K SPEAKER A SPEAKER B Q4 BC327 Q5 BC337 D10 1N4148 D11 1N4148 R79 1K8 R80 3K3 D12 1N4148 D13 1N4148 D14 1N4148 D15 1N4148 -15V +15V DC OFFSET R12 3K9 R13 2K2 D16 5V1 HI = NORMAL C54 2

23、2U 50V NP C55 22U 50V NP DC OFFSET DETECT 40W 8 Ohms = 17.9 Vrms R53 270K R55270K R81 470R R82 470R TIP = LEFT RING = RIGHT LM3886 LM3886 C67 1nF MAINS GND C68 1nF MAINS GND C69 1nF MAINS GND C70 1nF MAINS GND C71 33pF C72 33pF C73 10pF C74 10pF C3 10U 16V C37 10U 16V C22 47U 16V EL C38 47U 16V EL 8

24、6-756-8687998 To enhance viewing, please print A38 RadioFans.CN Cambridge Audio Azur 340A SE Amplifier AP19951/3 Amplifier PCB Schematic (Ipod Input Circuit) +5V Q6 BC337 R85 10k D17 1N4001 1 2 RL2:A RELAY 3 2 1 84 U3:A NE5532 -15V +15V INPUT BUFFER +24dB R86 1k C75 47n poly C76 47n poly C79 22p R90

25、 1k R91 100k R92 3k9 R93 62k C81 22p L CH IN 2 3 1 6 7 4 5 CN6 CKX-3 R CH IN GND_IPOD 3 4 5 RL2:B RELAY 6 7 8 RL2:C RELAY L SEL OUT R SEL OUT 5 6 7 U3:B NE5532 R94 91R +15V R95 1k SHIELD GND IPOD_L IPOD_R R96100k R97 100k C77 100p C82100p R89 62k R88 3k9 R87 100k LK506 LINK5MM LK507 LINK5MM 1 2 3 4

26、5 6 CN7 2,5MM 6W ST HEADER 1 2 3 4 5 6 CN11 2,5MM 6W ST HEADER FOR 340A SE = FIT ALL COMPONENTS EXCEPT LK506 & LK507 FOR 340A = ONLY FIT LK506 & LK507 DO NOT FIT OTHER COMPONENTS FIT ONLY FOR 340A FIT ONLY FOR 340A ipod input = 282mV C78 10U 16V C80 10U 16V LK308 LINK5MM LK200 LINK10MM LK301 LINK10M

27、M LK302 LINK10MM LK303 LINK10MM LK304 LINK10MM LK305 LINK10MM J2 Pin 9 LK210 LINK10MM LK211 LINK10MM LK212 LINK15MM LK213 LINK10MM 86-756-8687998 To enhance viewing, please print A39 RadioFans.CN Cambridge Audio Azur 340A SE Amplifier AP19951/3 Amplifier PCB Schematic (Input Select) 2 1 CN4:A QUAD P

28、HONO 3 CN4:B QUAD PHONO 5 4 CN4:C QUAD PHONO 6 CN4:D QUAD PHONO 2 1 CN5:A QUAD PHONO 3 CN5:B QUAD PHONO 5 4 CN5:C QUAD PHONO 6 CN5:D QUAD PHONO 2 1 CN8:A QUAD PHONO 3 CN8:B QUAD PHONO 5 4 CN8:C QUAD PHONO 6 CN8:D QUAD PHONO 3 2 1 84 U1:A NE5532 5 6 7 U1:B NE5532 -15V +15V -15V+15V R5 220K R6 220K R7

29、 1k R10 1k R14 1k R15 220K R16 220K R17 1k R18 1K R19 1k R21 220K R22 220K R23 220K R24 1k R25 1k R26 1k R27 1k R28 1k R29 1k R30 220K R31 220K C4 47n poly C5 47n poly C8 47n poly C12 22p C13 22p R32 220K R33 10k R34 10k R35 10k R36 10k R37 100k R38 100k R39 100k R40 100k R41 1k R46 1k R47 100R C26

30、100nF 100V L CH IN R CH IN R50 220K R51 220K 2 1 CN9:A DUAL PHONO 3 CN9:B DUAL PHONO LEFTRIGHT TAPE RETURN RIGHT TAPE RETURN LEFT +5V INPUT/TAPE SELECT SWITCH MUTE MICROCONTROLLER BOARD CONNECTOR OUTPUT RELAY DC OFFSET DATA CLOCK STROBE 2356 ABCD LRLR TAPE OUT R AUX R CD TUNER/DAB DVD AV/MD AUX L CD

31、 TAPE OUT L TUNER/DAB DVD AV/MD B TBT Vss 1 L-S1 2 L-S2 3 L-S3 4 L-COM1 5 L-S4 6 L-S5 7 L-S6 8 L-COM2 9 L-S7 10 L-S8 11 L-COM3 12 ST 13 GND 14 Vdd 28 R-S1 27 R-S2 26 R-S3 25 R-COM1 24 R-S4 23 R-S5 22 R-S6 21 R-COM2 20 R-S7 19 R-S8 18 R-COM3 17 DATA 16 CLK 15 U4 TC9163 INPUT BUFFER +6dB MAINS GND C18

32、 10U 35V NP C21 10U 35V NP C30 10U 35V NP C31 10U 35V NP C33 10U 35V NP C56 10U 35V NP C57 10U 35V NP C58 10 pF C59 10 pF R83 220K R84 220K C60 10U 35V NP C61 10U 35V NP C62 10U 35V NP C63 10U 35V NP C64 10U 35V NP C65 10U 35V NP C66 10U 35V NP C7 47n poly C25 10U 16V C14 10U 16V 1 2 3 4 5 6 7 8 9 J

33、2 2,5MM 9W 90 HEADER J2 Pin 9 FOR 340A SE FOR 340A 9 Way 8 Way 8 Way 9 Way Pin 27 on U1 on AP14519/3 CN2 on AP14519/3 CN2 on AP14519/3 J2 on AP19952/3 J2 on AP19952/3 pin 9 not connected for 340A 86-756-8687998 To enhance viewing, please print A310 RadioFans.CN Cambridge Audio Azur 340A SE Amplifier

34、 AP19951/3 Amplifier PCB Board Layout (Top Side) 86-756-8687998 To enhance viewing, please print A311 RadioFans.CN Cambridge Audio Azur 340A SE Amplifier AP19951/3 Amplifier PCB Board Layout (Bottom Side) 86-756-8687998 To enhance viewing, please print A312 RadioFans.CN AP19954/3 AP Part NoValueDesc

35、riptionQtyComponent IdentNotes RESISTORS 2R22W Metal Film2R48, R67Stand off PCB by 5mm 10R2W Metal Film2R56, R68Stand off PCB by 5mm 91R2W Metal Film1R94 100R0.25 W 1% Metal Film1R47 220R0.5 W Metal Film1R75 220R3W Metal Film2R61, R63Stand off PCB by 5mm 470R0.25 W 1% Metal Film2R81, R82 470R1W Meta

36、l Film2R62, R64Stand off PCB by 5mm 1K0.25 W 1% Metal Film18 R7, R8, R10, R14, R17, R18, R19, R24-R28, R29, R41, R46, R65,R86,R90, 1K80.25 W 1% Metal Film2R49, R79 2K20.25 W 1% Metal Film1R13 3K30.25 W 1% Metal Film1R80 3K90.25 W 1% Metal Film3R12,R88,R92 4k70.25 W 1% Metal Film5R2, R3, R42, R43, R7

37、6 8k20.25 W 1% Metal Film4R4, R11, R44, R45 10k0.25 W 1% Metal Film5R33-R36,R85 1K0.5 W Metal Film1R95 22k0.25 W 1% Metal Film4R1, R20, R58, R70 27K0.25 W 1% Metal Film4R9, R57, R66, R69 47K0.25 W 1% Metal Film6R71-R74, R77, R78 62K0.25 W 1% Metal Film2R89, R93 100K0.25 W 1% Metal Film8R37-R40, R87,

38、R91, R96, R97 150k0.25 W 1% Metal Film4R52, R54, R59, R60 220K0.25 W 1% Metal Film14 R5, R6, R15, R16, R21-R23, R30-R32, R50, R51, R83, R84 270K0.25 W 1% Metal Film2R53, R55 CAPACITORS 22pFCeramic NPO. Pitch= 5.0mm4C12, C13,C79,C81 33pFCeramic NPO. Pitch= 5.0mm2C71, C72EMC Suppression 10pFCeramic NP

39、O. Pitch= 5.0mm6C9, C15, C58, C59, C73, C74 100pFCeramic NPO. Pitch= 5.0mm2C77, C82 330pFPolyester. Pitch= 5.0mm2C1, C10 1nFCeramic Y5P 50V. Pitch= 5.0mm4C67,C68,C69,C70EMC Suppression 10nFX1 Mains rated Ceramic. Pitch= 5.0mm2C34, C35EMC Suppression 47nFPolyester Pitch= 5.0mm12 C4, C5, C7, C8, C16,

40、C17, C48, C51-C53, C75, C76 100nFCeramic 100V Pitch= 5.0mm3C2, C26, C36 150nFPolyester Pitch= 5.0mm2C6, C11 470nF X2 Mains rated Polypropylene. Pitch 22.5mm 1C28 EMC. C44 is alternative fit for 27.5 mm pitch 10uFElectrolytic 35V NP Pitch= 2.0mm20 C3, C14, C18, C21, C25, C30, C31, C33, C37, C56, C57,

41、 C60, C61, C62, C63, C64, C65, C66, C78, C80 Some cap will have silk print of an electrolytic 22uFElectrolytic 50V NP Pitch= 2.0mm2C54, C55 47uFElectrolytic 16V Pitch= 2.5mm5C20, C22, C32, C38, C47 47uFElectrolytic 16V NP Pitch= 2.5mm2C19, C29Silk print is electrolytic 100uFElectrolytic 50V HR Pitch

42、= 5.0mm4C40-C43 100uFElectrolytic 25V Pitch= 2.5mm2C49, C50 470uFElectrolytic 35V Pitch= 5.0mm1C46 1000uFElectrolytic 35V Pitch= 5.0mm1C45 10000uF Cambridge Audio Branded Electrolytic 50V Pitch= 10.0mm 2C24, C27Glue both capacitors to PCB SEMICONDUCTORS PY259NE5532Dual Low Noise Operational Amplifie

43、r3U1,U2, U3DIL package PY476TC9163AFInput Switching1U4surface mount package PD0357805TVoltage Regulator +5V1U5TO220 package PY644LM3886THigh Performance Audio Power Amplifier2U6,U7 PD0377815TVoltage Regulator +15V1U8TO220 package PD0387915TVoltage Regulator -15V1U9TO220 package TRANSISTORS PY219BC32

44、7PNP Small Signal2Q1, Q4 PY214BC337NPN Small Signal4Q2, Q3, Q5, Q6 Cambridge Audio Azur 340A SE PCB Main Assembly BOM NOte: resistors, capacitors amd other generic electronic components are not usually stocked by the manufacturer. Please obtain these locally. 13 RadioFans.CN AP19954/3 AP Part NoValu

45、eDescriptionQtyComponent IdentNotes Cambridge Audio Azur 340A SE PCB Main Assembly BOM DIODES 1N5402General Purpose Rectifier4D1-D4 1N4002General Purpose Rectifier4D5-D8 1N4001General Purpose Rectifier2D9, D17 1N4148High Speed Signal6D10-D15 BZX85-C5V1Zener 400mW1D16 MISCELLANEOUS T6.3AL 6.3A time d

46、elay Fuse-20mm low breaking capacity 2F1, F2Secondary fuses T3.15AL OR T6.30AL 3.15A or 6.3A time delay Fuse-20mm low breaking capacity 1F3 For EU & UK Models (230V) - F3 should be fitted with T3.15AL. For CU Models (115V) - F3 should be fitted with T6.3AL. T1AL 1A time delay Fuse-20mm low breaking

47、capacity 2F4, F5Secondary fuses PY594 12V coil, 8A 250VACMassuse Me-11 012-2Z4 Relay-s2RL1, RL2 PY00420K MOTORISED DUAL POT Pot-Dual-Motor1VR1 PY003B20K LINEARPot-Dual2VR2, VR3 PY005MN20K BALANCEPot-Dual1VR4 CONNECTORS PY6462330-005901-300Headphone Jack1CN1As 540A amplifier PY647WP8-21ASpkr 4-Way1CN

48、2 PY226YN 2336-003910-002IEC-Socket1CN3As 540A amplifier CKX-3.5-0.73.5mm HEADPHONE JACK1CN6 PY036YN 2330-006911-021Quad Phono3CN4, CN5, CN8 PY035AV2-8.4-9Dual Phono1CN9 SWITCH PY6452402-020200-010SW-DPDT2SW1, SW2As 540A amplifier PY227KDC-A04-10Mains switch 10A 250V TV-81SW3mains switch NOte: resis

49、tors, capacitors amd other generic electronic components are not usually stocked by the manufacturer. Please obtain these locally. 14 RadioFans.CN Cambridge Audio Azur 340A SE Amplifier AP14518/3 Microcontroller PCB Schematic RC6 17 RC5 16 RC4 15 RC3 14 RC2 13 RC1 12 RC0 11 OSC2 10 RA0 2 RA2 4 MCLR/Vpp 1 RA1 3 RA3 5 RB1 22 RB7 28 RA4 6 RA5 7 Vss2 8 OSC1 9 RB2 23 RB3