Cambridge Audio 640P Service Manual
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Also See for 640P:
- Brochure & specs (21 pages) ,
- User manual (8 pages) ,
- Technical specifications (2 pages)
Table of Contents
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Issue Date: 23rd August 2005
________________________________________________________________________
SERVICE MANUAL
________________________________________________________________________
SPECIFICATIONS:
Max Power Consumption
Gain @ 1kHz
Input Impedance
Nominal Output
Sensitivity for Nominal Output
THD 20Hz-20kHz
RIAA Curve Accuracy
Signal to Noise Ratio
Using Audio Precision RIAA-1
with grounded inputs.
Crosstalk @ 20kHz
Dimensions (HxWxD)
mm
inches
Weight
kg
lbs
Gallery Court Hankey Place London SE1 4BB UK
Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233
640P/540P
540P
640P
(MM)
5W
5W
39dB
39dB
47k
47k
300mV
300mV
3.35mV
3.35mV
0.009%
0.005%
+/-0.65dB
<+/-0.3dB
25Hz-20kHz
20hz-50kHz
(Subsonic filter off)
>85db
>86dB
>76dB
>83dB
46x215x133
46x215x133
1.8x8.5x5.2
1.8x8.5x5.2
0.8
0.9
1.8
2
640P
(MC)
5W
55dB
100R
300mV
0.5mV
0.002%
<+/-0.3dB
20Hz-50kHz
>72dB
>69dB
46x215x133
1.8x8.5x5.2
0.9
2
AP18705/1
1
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Table of Contents
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Summary of Contents for Cambridge Audio 640P
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Page 1: Service Manual
640P/540P Issue Date: 23rd August 2005 ________________________________________________________________________ SERVICE MANUAL ________________________________________________________________________ SPECIFICATIONS: 540P 640P 640P (MM) (MC) Max Power Consumption Gain @ 1kHz 39dB 39dB 55dB Input Impedance 100R Nominal Output 300mV 300mV 300mV Sensitivity for Nominal Output 3.35mV 3.35mV 0.5mV THD 20Hz-20kHz 0.009%... -
Page 2: Table Of Contents
540P Main PCB Layout (Top Side) 540P Main PCB Layout (Bottom Side) 540P Main PCB BOM 640P Main PCB Schematic 640P Main PCB Layout (Top Side) 640P Main PCB Layout (Bottom Side) 640P Main PCB BOM 13-15 IC Pin Layout Details... -
Page 3: Safety Precautions & Important Notes
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 Partnership PLC. -
Page 4: 540P/640P Main Assembly Bom
Cambridge Audio Azur 540P / 640P Phono Stage Main Assembly BOM AP15869/2 & AP16524/3 AP DRAWING AP PART NO DESCRIPTION NOTES AP14509/2 Azur 540.640P User's Manual Multi-Language - 5100-549900-100 AP15655/1 Azur 640/640P Woven Bag 5299-262191-300 PY912 EU PSU Unit GPG411200500WA00... -
Page 5: 540P Main Pcb Schematic
Cambridge Audio Azur 540P Phono Stage +15V AC 12v 500mA DCJACK2 LINK10MM 7818 100R 220u 50V 1N4004 1N4004 100n Ceramic 1N4004 220u 50V 220u 50V 100u 25V 47N POLYESTER LINK10MM +15V BLUE_AZUR JST 2,5MM B2B-XH-A COMMENTS=NO STUFF FP 10U 25V... -
Page 6: 540P Main Pcb Layout (Top Side)
Cambridge Audio Azur 540P Phono Stage Superior Performance Moving Magnet Phono Module AP15220/4 To enhance viewing, please print to A3 AP15219/4 Main PCB Layout (Top Side) -
Page 7: 540P Main Pcb Layout (Bottom Side)
Cambridge Audio Azur 540P Phono Stage To enhance viewing, please print to A3 AP15219/4 Main PCB Layout (Bottom Side) -
Page 8: 540P Main Pcb Bom
AP15222/3 Cambridge Audio Azur 540P PCB Assembly BOM AP PART VALUE DESCRIPTION COMPONENT IDENT NOTES NUMBER RESISTORS 0.25W metal film R23, R35 0.25W metal film R25, R37 100R 0.25W metal film R8, R16, R42, R43 220R 0.25W metal film R28, R40 820R 0.25W metal film... - Page 9 AP15222/3 Cambridge Audio Azur 540P PCB Assembly BOM AP PART VALUE DESCRIPTION COMPONENT IDENT NOTES NUMBER 25V Polarised Electrolytic 100u 25V Non Polarised Electrolytic C24, C32 100u 25V Polarised Electrolytic C9, C10, C16, C17, C20, C21 220u 50V Polarised Electrolytic...
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Page 10: 640P Main Pcb Schematic
Cambridge Audio Azur 640P MM/MC Phono Stage 470R 1000U 25V EL 1k3 1/8W AC 12v 500mA 100n PE 63V Red Led Vf=2V 470n PE 63V 470n PE 63V DCJACK2 LINK10MM 3k 1/8W *2V 1N4004 BC560C +18V LINK10MM AC Sense Unreg... -
Page 11: 640P Main Pcb Layout (Top Side)
Cambridge Audio Azur 640P MM/MC Phono Stage MM Input MC Input Output 12V~ 0.5A +18V -18V AP15120/6 Power LED Ultimate Performance Universal Phono Module To enhance viewing, please print to A3 AP151199/1 Main PCB Layout (Top Side) -
Page 12: 640P Main Pcb Layout (Bottom Side)
Cambridge Audio Azur 640P MM/MC Phono Stage To enhance viewing, please print to A3 AP151199/1 Main PCB Layout (Bottom Side) -
Page 13: 640P Main Pcb Bom
AP151224 Cambridge Audio Azur 640P PCB Assembly BOM AP PART FACTORY PART VALUE DESCRIPTION TOLERANCE COMPONENT IDENT NOTES RESISTORS 0.125W metal film R54, 71 0.125W metal film R5, R6, R21, R23 0.125W metal film R62, 79 100R 0.125W metal film 130R 0.125W metal film... - Page 14 AP151224 Cambridge Audio Azur 640P PCB Assembly BOM AP PART FACTORY PART VALUE DESCRIPTION TOLERANCE COMPONENT IDENT NOTES 10uF 25V Polarised Electrolytic 1102-100024-000 100uF 25V Polarised Electrolytic 1102-101024-000 C9, 10, 94 High Temperature 105 330uF 50V Polarised Electrolytic C1, 3, 5, 6...
- Page 15 AP151224 Cambridge Audio Azur 640P PCB Assembly BOM AP PART FACTORY PART VALUE DESCRIPTION TOLERANCE COMPONENT IDENT NOTES MISCELLANEOUS Ferrite Bead on 1503-000000-100 FB1, 2, 3, 4 24AWG Tinned Copper Link 24AWG LK1, 2, 3, 4, 5 10mm LINK Wire...
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Page 16: Ic Pin Layout Details
640P - NE5532 (U3, U4, U5 & U6) 540P - 2SA970GR (Q1, 2, 3, 4) 640P - 2SA970GR (Q1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 21, 22, 24, 26, 27, 28, 29, 30)