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Service Manual

CP1
MOVING MAGNET PHONO PREAMPLIFIER 

CP2
MOVING MAGNET & MOVING COIL PHONO PREAMPLIFIER

Issue date: Feb 2016

version 1.0

CP1 Technical specifications

CP2 Technical specifications

CP1 Specifications

CP2 Specifications

Max Power consumption

 5W

Nominal output

 300mV

THD 20Hz-20KHz

<0.009%

Signal to noise ratio using Audio Precision 

RIAA-1 with grounded inputs

>85dB

Input capacitance

220pF 

Crosstalk @ 20KHz

>76dB

Gain @ 1KHz

39dB

Sensitivity for norminal output

3.35mV

RIAA curve accuracy

<+/- 0.65dB 25hz-20KHz

Input imprdance

47k Ohm

Overload margin

>30dB

Dimensions(H x W x D)

46 x 215 x 133 (1.8 x 8.5 x 5.2”)

Weight 

0.8kg (1.8lbs)

Max Power consumption

 5W

Nominal output

 300mV

THD 20Hz-20KHz

<0.009%

Signal to noise ratio using Audio Precision 

RIAA-1 with grounded inputs

>86dB

Input capacitance

220pF 

Crosstalk @ 20KHz

>83dB

Gain @ 1KHz

39dB

Sensitivity for norminal output

3.35mV

RIAA curve accuracy

<+/- 0.3dB

Input imprdance

47k Ohm

Overload margin

>30dB

Dimensions(H x W x D)

46 x 215 x 133 (1.8 x 8.5 x 5.2”)

Weight 

0.9kg (2.0lbs)

Содержание CP1

Страница 1: ...k 20KHz 76dB Gain 1KHz 39dB Sensitivity for norminal output 3 35mV RIAA curve accuracy 0 65dB 25hz 20KHz Input imprdance 47k Ohm Overload margin 30dB Dimensions H x W x D 46 x 215 x 133 1 8 x 8 5 x 5 2 Weight 0 8kg 1 8lbs Max Power consumption 5W Nominal output 300mV THD 20Hz 20KHz 0 009 Signal to noise ratio using Audio Precision RIAA 1 with grounded inputs 86dB Input capacitance 220pF Crosstalk ...

Страница 2: ...pyright All rights are reserved No part of this manual may be reproduced by any mechanical electronic or other means in any form without prior written permission of the manufacturer All trademarks and registered trademarks are the property of their respective owners Copyright Cambridge Audio Ltd 2016 Cambridge Audio and the Cambridge Audio logo are trademarks of Cambridge Audio Other brands mentio...

Страница 3: ...t the user to the presence of un insulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the service literature relevant to this appliance WEEE symbol The cr...

Страница 4: ...ving magnet cartridge or MC for a moving coil cartridge 5 Balance This control allows you to make fine adjustments to the relative output levels of the left and right channels In the central position the output from each channel is equal 6 Subsonic Filter CP2 only The subsonic filter cuts out very low frequency rumble caused by vinyl imperfections which can affect your system s performance 7 Outpu...

Страница 5: ...5 Connections L R ...

Страница 6: ...properly connected Check all connections are secure There is a loud buzz or hum Check turntable or tone arm for ground and connection lead fault Ensure no connections are loose or defective Ensure that your turntable is not too close to the amplifier Volume is too loud quiet Check cartridge type matches input type If a MC cartridge is connected through the MM inputs volume will be very quiet and v...

Страница 7: ...x 6 pozi pan m c 16 front foot pad 17 9mm knob push and turn type 1 3 4 14 9 11 10 12 13 8 7 15 16 17 5 2 6 A3 2 3 4 5 6 7 8 D A B C 2 3 4 5 6 7 8 COPYRIGHT 2009 AUDIO PARTNERSHIP 3 GALLERY COURT HANKEY PLACE LONDON SE1 4BB TEL 0207 940 2200 FAX 0207 940 2233 PROPRIETARY AND CONFIDE TRANSMISSION OR REPRODUCTION WHOLE WITHOUT THE PRIOR WRITT AUDIO PARTNERSHIP PLC IS PROH GENERAL NOTES TOLERANCES UN...

Страница 8: ... c 16 front foot pad 17 9mm knob push and turn type 1 5 4 17 9 11 10 12 13 8 7 2 15 14 3 16 6 A3 2 3 4 5 6 7 8 D A B C 2 3 4 5 6 7 8 COPYRIGHT 2009 AUDIO PARTNERSHIP 3 GALLERY COURT HANKEY PLACE LONDON SE1 4BB TEL 0207 940 2200 FAX 0207 940 2233 PROPRIETARY AND CONFIDENT TRANSMISSION OR REPRODUCTION IN WHOLE WITHOUT THE PRIOR WRITTEN AUDIO PARTNERSHIP PLC IS PROHIBIT GENERAL NOTES TOLERANCES UNLES...

Страница 9: ...ENDOR INSERT WITH PE BAG ON TOP OF UNIT 9 AP34361 CA0833 SAFETY GUIDE 1 MFG VENDOR INSERT WITH PE BAG ON TOP OF UNIT 10 STD POLY BAG POLY BAG 173 X 260mm 1 MANUFACTURER S VENDOR FIT PSU WITHIN 11 AP34285 CA0833 PACKAGING CARTON 1 MFG VENDOR PLACE PACKAGED UNIT WITHIN 12 SEE DIFFERENCES CA0833 CARTON LABEL 1 MFG VENDOR REMOVE ADHESIVE COVER AND STICK ON CARTON SIDE WITHIN THE MARKED AREA USE ARTWOR...

Страница 10: ...Service Manual 10 CP1 CP2 CP1 PHONO STAGE MAIN PCB Schematic ...

Страница 11: ...11 CP2 PHONO STAGE MAIN PCB Schematic ...

Страница 12: ...Service Manual 12 CP1 CP2 CP1 PCB Bottom layer Gerber CAM350 PRO V 7 5 1 Wed Jan 27 16 22 23 2016 Untitled ...

Страница 13: ...13 CP1 PCB Top layer Gerber CAM350 PRO V 7 5 1 Wed Jan 27 16 21 07 2016 Untitled ...

Страница 14: ...Service Manual 14 CP1 CP2 CP2 PCB Bottom layer Gerber CAM350 PRO V 7 5 1 Wed Jan 27 16 15 31 2016 Untitled ...

Страница 15: ...15 CP2 PCB Top layer Gerber CAM350 PRO V 7 5 1 Wed Jan 27 16 11 06 2016 Untitled ...

Страница 16: ...ource 220k 1 8W Metal Film 6 R51 R52 R55 R56 R92 R93 1 7 5mm Pitch use local source RESISTORS VARIABLE 5k Pot balance taper 1 VR1 RD902F 20 15F MN5K 0C 20 9mm Body MN balance taper Add glue around part CAPACITORS NO FIT 5 C43 C47 100pF 100V NP0 Ceramic 2 C18 C22 5 3mm Pitch use local source 220pF 50V NP0 Ceramic 2 C19 C23 5 2 5mm Pitch use local source 4 7nF 50V Ceramic 2 C39 C40 10 5mm Pitch use ...

Страница 17: ... PNP Low Noise 1 Q19 BC557C TO92 30V 500mA NPN Darlington 1 Q20 MPSA14 TO92 PY1211 MISCELLANEOUS M3 Nylon Insulating Bush 2 BS1 BS2 TO220 2 Way SAN Solder in Cable assembly 1 CA1 AP34397 X 2mm Pitch 2 way power cable 23mm Height Heatsink for Phono Stage Regs 1 HS1 AP15814 x AP Vendor xxmm Long 2mm dia 2 1 ratio UL Approved Heatshrink 2mm 1 HS2 0 015M 24 AWG Tinned Link Wire 7 LK1 LK2 LK4 LK6 LK9 L...

Страница 18: ...R18 R44 1 7 5mm Pitch use local source 75k 1 4W Metal Film 2 R10 R13 0 10 10mm Pitch use local source 180k 1 8W Metal Film 2 R32 R33 1 7 5mm Pitch use local source 220k 1 8W Metal Film 6 R40 R41 R83 R91 R93 1 7 5mm Pitch use local source 560k 1 8W Metal Film 2 R68 R85 1 7 5mm Pitch use local source RESISTORS VARIABLE 5k Pot balance taper 1 VR1 RD902F 20 15F MN5K 0C 20 9mm Body MN balance taper CAP...

Страница 19: ...2T Relay 1 RL1 ME2 5 Through Hole PY584 SWITCHES 2P2T Slide Switch 2 SW1 SW2 HS2264DN7DI 96B PCB Mount 2P2T Pushbutton Switch 1 SW3 T18 Z 08 PAA004 PY645 TRANSISTORS 120V 100mA PNP Low Noise 24 Q1 Q8 Q10 Q17 Q21 Q22 Q24 Q26 Q30 2SA970GR TO92 PF075 45V 100mA PNP Low Noise 5 Q9 Q18 Q19 Q23 Q25 BC557C TO92 30V 500mA NPN Darlington 1 Q20 MPSA14 TO92 PY1211 MISCELLANEOUS M3 Nylon Insulating Bush 2 BS1 ...

Страница 20: ...ual 20 CP1 CP2 Main PCB CP1 CP2 7818 U1 CP1 CP2 7918 U2 CP1 NE5532 U3 U4 U7 CP2 NE5532 U3 U4 U5 U6 U7 CP1 2SA970GR Q1 2 3 4 CP2 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 IC PINS ...

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