Cambridge-640P-riaa-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 640P/540P 640P/540P Issue Date: 23rd August 2005 _ SERVICE MANUAL _ SPECIFICATIONS: 540P 640P 640P (MM) (MC) Max Power Consumption 5W 5W 5W Gain 1kHz 39dB 39dB 55dB Input Impedance 47k 47k 100R Nominal Ou

2、tput 300mV 300mV 300mV Sensitivity for Nominal Output 3.35mV 3.35mV 0.5mV THD 20Hz-20kHz 0.009% 0.005% 0.002% RIAA Curve Accuracy +/-0.65dB +/-0.3dB 85db 86dB 72dB Using Audio Precision RIAA-1 with grounded inputs. Crosstalk 20kHz 76dB 83dB 69dB Dimensions (HxWxD) mm 46x215x133 46x215x133 46x215x133

3、 inches 1.8x8.5x5.2 1.8x8.5x5.2 1.8x8.5x5.2 Weight kg 0.8 0.9 0.9 lbs 1.8 2 2 AP18705/1 1 RadioFans.CN 收音机爱 好者资料库 540P 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

4、 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 component that has been removed from a PCB Notice that the minus side of a tantalum capacitor may be damaged by heat COPYRIGHT NOT

5、ICE. COPYRIGHT NOTICE. 2005 Audio Partnership PLC. All rights reserved. Cambridge Audio and Azur are registered trademarks of Audio Partnership PLC. This document may not be reproduced, distributed, transmitted, displayed, published, or broadcast without the express written prior permission of Audio

6、 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 official service agents in repairing and servicing Audio Partnership PLC products. 3 AP15869/2 & AP16524/3 AP

7、PART NO AP DRAWING NO DESCRIPTIONQTYNOTES AP14509/2Azur 540.640P Users Manual Multi-Language - 15100-549900-100 AP15655/1Azur 640/640P Woven Bag15299-262191-300 PY912EU PSU Unit1GPG411200500WA00 PY913CU PSU Unit1GPU351200500WA00 PY868Australia / NZ PSU Unit1GPS411200500WA01 PY867UK PSU Unit 1GPB4112

8、00500WA00 (4021-411200-107) Cambridge Audio Azur 540P / 640P Phono Stage Main Assembly BOM Note: resistors, capacitors and other generic electronic components are not usually stocked by the manufacturer. Please obtain these locally. 4 Cambridge Audio Azur 540P Phono Stage AP15219/4 Main PCB Schemati

9、c C1 220u 50V D2 1N4004 D3 1N4004 C3 220u 50V C5 220u 50V D4 1N4004 C6 220u 50V VI 1 VO 3 GND 2 U1 7818 C7 47N POLYESTER C8 47N POLYESTER VI 2 VO 3 GND 1 U2 7918 C9 100u 25V C10 100u 25V +15V -15V D6 1N4004 R1 3k3 AK D7 BLUE_AZUR COMMENTS=NO STUFF FP C11 10U 25V 1 3 2 CN1 DCJACK2 C12 4.7u PEST 5% C1

10、3 4.7u PEST 5% 5 6 7 U4:B NE5532 R2 1k2 R3 3k9 R4 82k R5 1k8 G1 C15 82n PEST 5% G1 R6 820R Sub Filter AC 12v 500mA 5 6 7 U3:B NE5532 R7 2k2 Q1 2SA970 R8 100R R9 4k7 R10 4k7 Q2 2SA970 C16 100U 25V C17 100U 25V R11 4k7 R12 1k0 +15V R13 1k0 C18 100p NPO R14 47k C19 220p NPO MM 3 2 1 84 U3:A NE5532 R15

11、2k2 Q3 2SA970 R16 100R R17 4k7 R18 4k7 Q4 2SA970 C20 100U 25V C21 100U 25V R19 4k7 R20 1k0 R21 1k0 - 15V C22 100p NPO R22 47k C23 220p NPO MM R23 22R C24 100u 25V NP R24 22k G1 L L R C25 100n Ceramic C26 100n Ceramic MM phono input +V PAD -V PAD GND PAD D8 1N4004 R25 47R R26 3k9 G1 R27 1k2 R28 220R

12、G1 R29 7k5 C28 4.7u PEST 5% C29 4.7u PEST 5% 3 2 1 84 U4:A NE5532 R30 1k2 R31 3k9 C30 39n PEST 5% R32 82k R33 1k8 G1 C31 82n PEST 5% G1 R34 820R R35 22R C32 100u 25V NP R36 22k G1 R R37 47R R38 3k9 G1 R39 1k2 R40 220R G1 R41 7k5 RIAA C34 47N POLYESTER C35 47N POLYESTER +15V -15V C36 47N POLYESTER C3

13、7 47N POLYESTER -15V +15V 3 4 5 CN2:B ZUAN-AV2-8 1 2 5 CN2:A ZUAN-AV2-8 3 4 5 CN3:B ZUAN-AV2-8 1 2 5 CN3:A ZUAN-AV2-8 C38 470n Ceramic G1 C39 4.7n Ceramic C40 4.7n Ceramic LK1 LINK10MM LK2 LINK10MM LK3 LINK15MM LK4 LINK10MM LK5 LINK10MM - 15V - 15V LK6 LINK10MM LK7 LINK15MM 1 2 CN5 JST 2,5MM B2B-XH-

14、A C14 39n PEST 5% C33 4.7u PEST 5% C27 4.7u PEST 5% C41 47N POLYESTER C42 47N POLYESTER C2 220u 50V C4 220u 50V R42 100R R43 100R LK8 LINK10MM LK9 LINK10MM 86-756-8687998 To enhance viewing, please print to A35 Cambridge Audio Azur 540P Phono Stage AP15219/4 Main PCB Layout (Top Side) AP15220/4 Supe

15、rior Performance Moving Magnet Phono Module 86-756-8687998 To enhance viewing, please print to A36 Cambridge Audio Azur 540P Phono Stage AP15219/4 Main PCB Layout (Bottom Side) 86-756-8687998 To enhance viewing, please print to A37 AP15222/3 AP PART NUMBER VALUEDESCRIPTIONQTYCOMPONENT IDENTNOTES RES

16、ISTORS 22R0.25W metal film2R23, R35 47R0.25W metal film2R25, R37 100R0.25W metal film4R8, R16, R42, R43 220R0.25W metal film2R28, R40 820R0.25W metal film2R6, R34 1K0.25W metal film4R12, R13, R20, R21 1K20.25W metal film4R2, R27, R30, R39 1K80.25W metal film2R5, R33 2K20.25W metal film2R7, R15 3K30.

17、25W metal film1R1 3K90.25W metal film4R3, R26, R31, R38 4K70.25W metal film6R9, R10, R11, R17, R18, R19 7K50.25W metal film2R29, R41 22K0.25W metal film2R24, R36 47K0.25W metal film2R14, R22 82K0.25W metal film2R4, R32 CAPACITORS 100pNPO Ceramic 5mm Pitch2C18, C22 220pNPO Ceramic 5mm Pitch2C19, C23

18、4.7nNPO Ceramic 5mm Pitch2C39, C40 39n5% Polyester Film 5mm Pitch2C14, C30 CMEA393J063RB050 Mini Box metallised polyester 39n 63V 5% 7.3x2.5mm, 5mm pitch. 47n10% Polyester Film 5mm Pitch8 C7, C8, C34, C35, C36, C37, C41, C42 82n5% Polyester Film 5mm Pitch2C15, C31 CMEA823J063RB050 Mini Box metallise

19、d polyester 82n 63V 5% , 7.3x2.5mm, 5mm pitch. 100nCeramic X7R 5mm Pitch2C25, C26 470nCeramic X7R 5mm Pitch1C38 4.7u5% Polyester Film 25mm Pitch6C12, C13, C27, C28, C29, C33 CMEF475J100RB250 Radical metallised polyester 4.7u 100V 5% , 28x9mm, 25mm pitch Cambridge Audio Azur 540P PCB Assembly BOM Not

20、e: resistors, capacitors and other generic electronic components are not usually stocked by the manufacturer. Please obtain these locally. 8 AP15222/3 AP PART NUMBER VALUEDESCRIPTIONQTYCOMPONENT IDENTNOTES Cambridge Audio Azur 540P PCB Assembly BOM 10u25V Polarised Electrolytic1C11 100u25V Non Polar

21、ised Electrolytic2C24, C32 100u25V Polarised Electrolytic6C9, C10, C16, C17, C20, C21 220u50V Polarised Electrolytic6C1, C2, C3, C4, C5, C6Height Restriction 16mm Max 7818 18 volt 1A TO220 Positive Voltage regulator 1U1 To be mounted on AP15814/1 heatsink/shield 7918 18 volt 1A TO220 Negative voltag

22、e regulator 1U2 To be mounted on AP15814/1 heatsink/shield PY259NE55328 pin DIL Audio OpAmp2U3, U44155-320052-100 TRANSISTORS 2SA970 TO92 PNP Very low noise transistor 4Q1, Q2, Q3, Q41301-970000-100 DIODES 1N4004Rectifier Diodes5D2, D3, D4, D6, D8 SEMICONDUCTORS Note: resistors, capacitors and other

23、 generic electronic components are not usually stocked by the manufacturer. Please obtain these locally. 9 Cambridge Audio Azur 640P MM/MC Phono Stage AP151197/1 Main PCB Schematic D2 1N4004 D3 1N4004 D4 1N4004 VI 1 VO 3 GND 2 U1 7818 C7 47n PE 63V C8 47n PE 63V VI 2 VO 3 GND 1 U2 7918 +18V -18V D6

24、1N4004 R1 3k3 C11 10U 25V 1 3 2 CN1 DCJACK2 3 2 1 84 U3:A NE5532 C12 47n PE 63V C13 47n PE 63V +18V -18V R2 3k9 1/8W C14 4u7 PE 5% C15 4u7 PE 5% R4 3k9 1/8W 5 6 7 U3:B NE5532 R26 2k2 1/8W 3 2 1 84 U4:A NE5532 C66 47n PE 63V C27 47n PE 63V R27 3k9 1/8W C28 4u7 PE 5% C29 4u7 PE 5% R29 3k9 1/8W 5 6 7 U

25、4:B NE5532 R51 2k2 1/8W SW1 SW-2POLE 2WAY SW2 SW-2POLE 2WAY Sub Filter MC/MM AC 12v 500mA 3 2 1 84 U5:A NE5532 C40 47n PE 63V C41 47n PE 63V R52 1k3 1/8W R53 1k3 1/8W Q1 2SA970GR R54 18R 1/8W R55 15k 1/8W R56 15k 1/8W Q2 2SA970GR R57 1k3 1/8W R58 470R +18V R59 1k2 -18V C44 220U NP 6.3V R60 470R 1/8W

26、 C46 220P PP 63V 5% 3 2 1 84 U6:A NE5532 R61 910R 1/8W Q3 2SA970GR R62 91R 1/8W R63 11k 1/8W R64 11k 1/8W Q4 2SA970GR C49 220U NP 6.3V R68 560k 1/8W C51 220P PP 63V 5% MC MM 5 6 7 U5:B NE5532 C52 47n PE 63V C53 47n PE 63V R69 1k3 1/8W R70 1k3 1/8W Q5 2SA970GR R71 18R 1/8W R72 15k 1/8W R73 15k 1/8W Q

27、6 2SA970GR R74 1k3 1/8W C56 220U NP 6.3V R77 470R 1/8W C58 220P PP 63V 5% 5 6 7 U6:B NE5532 Q7 2SA970GR R79 91R 1/8W R80 11k 1/8W R81 11k 1/8W Q8 2SA970GR C61 220U NP 6.3V R85 560k 1/8W C63 220P PP 63V 5% R86 2k2 1/8W R87 2k2 1/8W R88 2k2 1/8W R89 2k2 1/8W R47 47k 1/8W R48 47k 1/8W L L R R C25 100n

28、PE 63V C26 470n PE 63V D8 1N4004 1 2 5 CN2:A ZUAN-AV2-8 3 4 5 CN2:B ZUAN-AV2-8 1 2 5 CN3:A ZUAN-AV2-8 3 4 5 CN3:B ZUAN-AV2-8 C68 100n PE 63V 1 2 5 CN4:A ZUAN-AV2-8 3 4 5 CN4:B ZUAN-AV2-8 1 2 CN5 JST 2,5MM B2B-XH-A AK D9 Red Led Vf=2V R94 3k 1/8W *2V MM L MC L MM L MC L MM R MC R MC R MM R L R Q10 2S

29、A970GR Q11 2SA970GR Q12 2SA970GR Q13 2SA970GR Q14 2SA970GR Q15 2SA970GR Q16 2SA970GR Q17 2SA970GR Q18 BC560C AK D10 Red Led Vf=2V R95 3k 1/8W *2V Q9 BC560C C54 10N PP 63V C71 10N PP 63V C72 10N PP 63V C73 10N PP 63V C76 10N PP 63V C77 10N PP 63V R65 1k3 1/8W R66 470R +18V AK D11 Red Led Vf=2V R100 3

30、k 1/8W *2V Q23 BC560C R102 1k3 1/8W AK D12 Red Led Vf=2V R104 3k 1/8W *2V Q25 BC560C R67 1k2 -18V R42 82R R43 150R sub direct C30 100n PE 63V C75 22p NPO 50V R15 130R 1/8W R16 130R 1/8W C88 470U NP 6.3V C89 470U NP 6.3V R17 51k 1/8W C90 470U NP 6.3V R18 51k 1/8W C91 470U NP 6.3V C92 47P NPO 50V C93

31、47P NPO 50V C98 33p NPO 50V C99 33p NPO 50V R36 910R 1/8W R37 910R 1/8W R38 910R 1/8W R24 1k87 0.1% C16 10N PP 63V C45 10N PP 63V -18V C59 100n PE 63V C60 100n PE 63V C62 100n PE 63V C67 100n PE 63V C50 470n PE 63V C70 470n PE 63V C79 47n PE 63V C80 47n PE 63V R76 47k 1/8W R78 47k 1/8W C81 10N PP 63

32、V 1% C32 10N PP 63V 1% C33 10N PP 63V 1% C34 10N PP 63V 1% R7 1k87 0.1% C17 10N PP 63V 1% C18 10N PP 63V 1% C19 10N PP 63V 1% C20 10N PP 63V 1% R8 1K2 1/8W R9 1K2 1/8W R13 75K 0.1% R19 1K 1/8W C21 10N PP 63V 1% C22 10N PP 63V 1% C23 10N PP 63V 1% C24 10N PP 63V 1% R22 3.92k 0.1% R45 1k87 0.1% C35 22

33、p NPO 50V R84 1K2 1/8W R90 1K2 1/8W C36 10N PP 63V 1% C37 10N PP 63V 1% C38 10N PP 63V 1% C39 10N PP 63V 1% C69 10N PP 63V C82 10N PP 63V R20 1k87 0.1% R10 75K 0.1% R12 1K 1/8W R14 3.92k 0.1% R5 47R 1/8W R6 47R 1/8W R21 47R 1/8W R23 47R 1/8W R3 1k6 1/8W R28 1k6 1/8W D1 1N4004 R30 100R 1/8W R31 15k 1

34、/8W D5 1N4148 Q19 BC560C R39 1k 1/8W R40 220k 1/8W R41 220k 1/8W R44 51k 1/8W Q20 MPSA14 1 2RL1:A RELAY 3 4 5 RL1:B RELAY 6 7 8 RL1:C RELAY D7 1N4004 R46 390R 2W Carbon AC Sense AC Sense +18V Unreg C95 1u 50V C31 47U NP 16V C64 47U NP 16V Av=147 Av=23 R49 No Stuff R82 No Stuff Q21 2SA970GR Q22 2SA97

35、0GR Q24 2SA970GR Q26 2SA970GR Q27 2SA970GR Q28 2SA970GR Q29 2SA970GR Q30 2SA970GR D131N4004 C2 1000U 35V EL C4 1000U 35V EL C55 1000U 25V EL AC Sense C9 100U 25V EL C10 100U 25V EL C57 470U 25V EL C65 470U 25V EL R11 100R R25 100R +18V -18V C83 470U 25V EL C84 470U 25V EL R50 100R R75 100R C1 330U 5

36、0V EL 105D C6 330U 50V EL 105D C3 330U 50V EL 105D C5 330U 50V EL 105D R83 220k 1/8W R91 220k 1/8W LK1 LINK10MM LK2 LINK10MM LK3 LINK10MM FB1 FERRITE BEAD FB2 FERRITE BEAD FB3 FERRITE BEAD FB4 FERRITE BEAD LK4 LINK10MM LK5 LINK10MM C42 1000U 25V EL C43 1000U 25V EL C47 1000U 25V EL C48 1000U 25V EL

37、R32 180k 0805 R33 180k 0805 C94 100U 25V EL 86-756-8687998 To enhance viewing, please print to A310 Cambridge Audio Azur 640P MM/MC Phono Stage AP151199/1 Main PCB Layout (Top Side) AP15120/6 Ultimate Performance Universal Phono Module Power LED MM Input Output 12V 0.5A MC Input +18V-18V 86-756-8687

38、998 To enhance viewing, please print to A311 Cambridge Audio Azur 640P MM/MC Phono Stage AP151199/1 Main PCB Layout (Bottom Side) 86-756-8687998 To enhance viewing, please print to A312 AP151224 AP PART NO VALUEDESCRIPTIONTOLERANCE FACTORY PART NO QTYCOMPONENT IDENTNOTES 18R0.125W metal film1%2R54,

39、71 47R0.125W metal film1%4R5, R6, R21, R23 91R0.125W metal film1%2R62, 79 100R0.125W metal film1%1R30 130R0.125W metal film1%2R15, 16 470R0.125W metal film1%2R60, 77 910R0.125W metal film1%4R36, 37, 38, 61 1K0.125W metal film1%3R12, 19, 39 1K20.125W metal film1%4R8, 9, 84, 90 1K30.125W metal film1%8

40、 R52, 53, 57, 65, 69, 70, 74, 102 1K60.125W metal film1%2R3, 28 2K20.125W metal film1%6R26, 51, 86, 87, 88, 89 3K0.125W metal film1%4R94, 95, 100, 104 3K90.125W metal film1%4R2, 4, 27, 29 11K0.125W metal film1%4R63, 64, 80, 81 15K0.125W metal film1%5R31, 55, 56, 72, 73 47K0.125W metal film1%4R47, 48

41、, 76, 78 51K0.125W metal film1%3R17, 18, R44 220K0.125W metal film1%4R40, 41, 83, 91 560K0.125W metal film1%2R68, 85 82R0.25W metal film1%1R42 100R0.25W metal film1%4R11, 25, 50, 75 150R0.25W metal film1%1R43 470R0.25W metal film1%2R58, 66 1K20.25W metal film1%2R59, 67 3K30.25W metal film1%1R1 1K870

42、.25W metal film0.10%4R7, 20, 27, 45 3.92K0.25W metal film0.10%2R14, 22 75K0.25W metal film0.10%2R10, 13 180k0805 Thick Film1%2R32, 33 270R2W Carbon Film10%1R46 22pF 50VNP0 Ceramic5%1181-220042-0002C35, 75 33pF 50VNP0 Ceramic5%2C98, 99 47pF 50VNP0 Ceramic5%1181-470042-0002C92, 93 220pF 63VPolypropyle

43、ne5%1114-221062-0004C46, 51, 58, 63 10nF 63VPolypropylene5%1114-103062-00010 C16, 45, 54, 69, 71, 72, 73, 76, 77, 82 10nF 63VPolypropylene1%16 C17-C24, 32, 33, 34, 36, 37, 38, 39, 81 6.3mm x 11mm x 5mm 47nF 63vPolyester Film10%1117-473053-00012 C7, 8, 12, 13, 27, 40, 41, 52, 53, 66, 79, 80 100nF 63v

44、Polyester Film10%1117-104053-0007C25,C30, 59, 60, 62, 67, 68 470nF 63VPolyester Film10%3C26, 50, 70 4.7uF 100VPolyester Film5%1117-475062-0004C14, 15, 28, 29CMEF475JI00RB250 1uF 50VPolarised Electrolytic20%1102-107044-0001C95 Cambridge Audio Azur 640P PCB Assembly BOM RESISTORS CAPACITORS Note: resi

45、stors, capacitors and other generic electronic components are not usually stocked by the manufacturer. Please obtain these locally. 13 AP151224 AP PART NO VALUEDESCRIPTIONTOLERANCE FACTORY PART NO QTYCOMPONENT IDENTNOTES Cambridge Audio Azur 640P PCB Assembly BOM 10uF 25VPolarised Electrolytic20%110

46、2-100024-0001C11 100uF 25VPolarised Electrolytic20%1102-101024-0003C9, 10, 94 330uF 50VPolarised Electrolytic20%4C1, 3, 5, 6 High Temperature 105 Degrees C 470uF 25VPolarised Electrolytic20%4C57, 65, 83, 84 1000uF 25V Polarised Electrolytic20%1102-102024-0005C42, 43, 47, 48, 55 1000uF 35V Polarised

47、Electrolytic20%1102-102034-0002C2, 4 47uF 16V Non Polarised Electrolytic 20%2C31, 64 220uF 6.3V Non Polarised Electrolytic 20%4C44, 49, 56, 61 470uF 6.3V Non Polarised Electrolytic 20%4C88, 89, 90, 91 7818 18 volt 1A Positive Voltage regulator 4178-180302-6001U1 Mount on AP15814/1 heatsink TO220 Sil

48、ipad and Insulating Bush 7918 18 volt 1A Negative voltage regulator 4179-180302-6001U2 Mount on AP15814/1 heatsink with TO220 Silipad and Insulating Bush NE5532Audio OpAmp4155-320052-9004U3, 4, 5, 6 2SA970GRPNP Very low noise1301-970000-10024 Q1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17,

49、21, 22, 24, 26, 27, 28, 29, 30 Top of transistor must not be higher than 8.5mm from PCB BC560CPNP Low noise5Q9, 18, 19, 23, 25 Top of transistor must not be higher than 8.5mm from PCB MPSA14NPN Darlington1Q20 DIODES 1N4004Rectifier Diodes1401-140040-0008D1, 2, 3, 4, 6, 7, 8, 13 1N4148Signal Diodes1401-141480-0001D5 MRB32CRed Led4D9, 10, 11, 12 Must be specified type on