Cambridge Audio Azur 540P Service Manual Download

Page: 4 / 16

AP15869/2 & AP16524/3

AP PART NO

AP DRAWING

DESCRIPTION

QTY

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

PY913

CU PSU Unit

GPU351200500WA00

PY868

Australia / NZ PSU Unit

GPS411200500WA01

PY867

UK PSU Unit

GPB411200500WA00 (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.

Summary of Contents for Azur 540P

Page 1: ...umption 5W 5W 5W Gain 1kHz 39dB 39dB 55dB Input Impedance 47k 47k 100R Nominal Output 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 0 3dB 25Hz 20kHz 20hz 50kHz 20Hz 50kHz Subsonic filter off Signal to Noise Ratio 85db 86dB 72dB Using Audio Precision RIAA 1 with grounded inputs Crosstalk 20kHz 76dB 83dB 69dB Di...

Page 2: ...640P Main Assembly BOM 4 540P Main PCB Schematic 5 540P Main PCB Layout Top Side 6 540P Main PCB Layout Bottom Side 7 540P Main PCB BOM 8 9 640P Main PCB Schematic 10 640P Main PCB Layout Top Side 11 640P Main PCB Layout Bottom Side 12 640P Main PCB BOM 13 15 IC Pin Layout Details 16 2 ...

Page 3: ...s 5 Any unauthorised design alterations or additions will void the manufacturer s 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 leads and it should be confirmed that they have been returned to normal after re assembly Notes on chi...

Page 4: ...2191 300 PY912 EU PSU Unit 1 GPG411200500WA00 PY913 CU PSU Unit 1 GPU351200500WA00 PY868 Australia NZ PSU Unit 1 GPS411200500WA01 PY867 UK PSU Unit 1 GPB411200500WA00 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 ...

Page 5: ...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 G1 R29 7k5 C28 4 7u PEST 5 C29 4 7u PEST 5 3 2 1 8 4 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 2...

Page 6: ...Cambridge Audio Azur 540P Phono Stage AP15219 4 Main PCB Layout Top Side AP15220 4 Superior Performance Moving Magnet Phono Module To enhance viewing please print to A3 6 ...

Page 7: ...Cambridge Audio Azur 540P Phono Stage AP15219 4 Main PCB Layout Bottom Side To enhance viewing please print to A3 7 ...

Page 8: ...2 CAPACITORS 100p NPO Ceramic 5mm Pitch 2 C18 C22 220p NPO Ceramic 5mm Pitch 2 C19 C23 4 7n NPO Ceramic 5mm Pitch 2 C39 C40 39n 5 Polyester Film 5mm Pitch 2 C14 C30 CMEA393J063RB050 Mini Box metallised polyester 39n 63V 5 7 3x2 5mm 5mm pitch 47n 10 Polyester Film 5mm Pitch 8 C7 C8 C34 C35 C36 C37 C41 C42 82n 5 Polyester Film 5mm Pitch 2 C15 C31 CMEA823J063RB050 Mini Box metallised polyester 82n 63...

Page 9: ...8 18 volt 1A TO220 Positive Voltage regulator 1 U1 To be mounted on AP15814 1 heatsink shield 7918 18 volt 1A TO220 Negative voltage regulator 1 U2 To be mounted on AP15814 1 heatsink shield PY259 NE5532 8 pin DIL Audio OpAmp 2 U3 U4 4155 320052 100 TRANSISTORS 2SA970 TO92 PNP Very low noise transistor 4 Q1 Q2 Q3 Q4 1301 970000 100 DIODES 1N4004 Rectifier Diodes 5 D2 D3 D4 D6 D8 SEMICONDUCTORS Not...

Page 10: ...d Vf 2V R100 3k 1 8W 2V Q23 BC560C R102 1k3 1 8W A K 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 47P NPO 50V C98 33p NPO 50V C99 33p NPO 50V R36 910R 1 8W R37 910R 1 8W R38 910R 1 8W R2...

Page 11: ...dio 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 To enhance viewing please print to A3 11 ...

Page 12: ...Cambridge Audio Azur 640P MM MC Phono Stage AP151199 1 Main PCB Layout Bottom Side To enhance viewing please print to A3 12 ...

Page 13: ...1 R43 470R 0 25W metal film 1 2 R58 66 1K2 0 25W metal film 1 2 R59 67 3K3 0 25W metal film 1 1 R1 1K87 0 25W metal film 0 10 4 R7 20 27 45 3 92K 0 25W metal film 0 10 2 R14 22 75K 0 25W metal film 0 10 2 R10 13 180k 0805 Thick Film 1 2 R32 33 270R 2W Carbon Film 10 1 R46 22pF 50V NP0 Ceramic 5 1181 220042 000 2 C35 75 33pF 50V NP0 Ceramic 5 2 C98 99 47pF 50V NP0 Ceramic 5 1181 470042 000 2 C92 93...

Page 14: ...unt on AP15814 1 heatsink with TO220 Silipad and Insulating Bush NE5532 Audio OpAmp 4155 320052 900 4 U3 4 5 6 2SA970GR PNP Very low noise 1301 970000 100 24 Q1 2 3 4 5 6 7 8 10 11 12 13 14 15 16 17 21 22 24 26 27 28 29 30 Top of transistor must not be higher than 8 5mm from PCB BC560C PNP Low noise 5 Q9 18 19 23 25 Top of transistor must not be higher than 8 5mm from PCB MPSA14 NPN Darlington 1 Q...

Page 15: ...rrite Bead on 24AWG 1503 000000 100 4 FB1 2 3 4 24AWG Tinned Copper Link Wire 5 LK1 2 3 4 5 10mm LINK PY584 ME2 5S Relay 4050 000005 002 1 RL 1 2 pole 2 way switch 2 SW1 2 SS004P022YPF8 MISCELLANEOUS Note resistors capacitors and other generic electronic components are not usually stocked by the manufacturer Please obtain these locally 15 ...

Page 16: ...540P 640P IC Pin Layout Details Main PCB 540P 640P 7818 U1 540P 640P 7918 U2 540P NE5532 U3 U4 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 16 ...

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