Cambridge Azur640CV free download

File name Cambridge-Azur640CV cd.pdf

640C V2 Issue Date: 30 November 2005 Revised Date 1st Issue: 20th November 2006 th _________________________________________________________________________________ SERVICE MANUAL _________________________________________________________________________________ SPECIFICATIONS: D/A Converter Dual Wolfson WM8740 24-Bit/192kHz capable 4 Pole Dual Differential Double Virtual Earth balanced 20Hz ­ 20kHz <0.0010% <0.0005% <0.0070% <0.0008% +/- 0.5dB > 90dB >104dB <160pS <-100dB <-99dB <50 ohms 70 x 430 x 310 mm 4.6kg (10.1lbs) Filter Frequency Response (+/-0.1dB) THD @ 1Khz 0dBFs THD @ 1Khz -10dBFs THD @ 20Khz 0dBFs IMD (19/20 kHz) 0dBFs Linearity @ -90dBFs Stop band rejection (>24 kHz) S to N ration, A weighted Total correlated jitter Crosstalk @1kHz Crosstalk @20kHz Output impedance Dimensions (H x W x D) Weight AP19501/2 Gallery Court Hankey Place London SE1 4BB UK Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233 1 640C V2 SERVICE MANUAL ­ Revision 2 TABLE OF CONTENTS Safety Precautions & Important Notes Laser Safety Precautions Exploded Diagram Front Panel PCB Schematic (Issue 3) Front Panel PCB Layout (Top Side) Front Panel PCB Layout (Bottom Side) Front Panel PCB Assembly BOM (Issue 2) Front Panel PCB Assembly BOM (Issue 3) Servo PCB Schematic Servo PCB Layout (Top Side) Servo PCB Layout (Bottom Side) Servo PCB Assembly BOM DAC Board PCB Schematic (Issue 6) DAC Board PCB Schematic (Issue 7) DAC Board (Supply) PCB Schematic (Issue 6) DAC Board (Supply) PCB Schematic (Issue 7) DAC Board PCB Layout (Top Side) (Issue 6) DAC Board PCB Layout (Top Side) (Issue 7) DAC Board PCB Layout (Bottom Side) (Issue 6) DAC Board PCB Layout (Bottom Side) (Issue 7) DAC PCB Assembly BOM (Issue 3) DAC PCB Assembly BOM (Issue 6) Mains PCB Schematic Mains PCB Layout (Top Side) Mains PCB Layout (Bottom Side) Mains PCB Assembly BOM Voltage Select Switch PCB Schematic Voltage Select Switch PCB Layout (Top Side) Voltage Select Switch PCB Layout (Bottom Side) Voltage Selector PCB Assembly BOM IC Pin Layout Details 3 4 5 6 7 8 9 10 11 12 13 14-15 16 17 18 19 20 21 22 23 24-25 26-27 28 29 30 31 32 33 34 35 36-44 2 SAFETY PRECAUTIONS & IMPORTANT NOTES 1. Check that the rear of the product indicates the correct supply voltage for your area. 2. The lighting flash with the arrowhead within an equilateral triangle is intended to alert the user or service agent to the presence of dangerous voltages within the product enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. 3. The exclamation point within an equilateral triangle is intended to alert the user or service agent to the presence of important operating and maintenance (Servicing) instructions in the literature accompanying the appliance. 4. This product complies with EEC Low Voltage (73/23/EEC) and Electromagnetic Compatibility (89/336/EEC) Directives when used and serviced in accordance with this manual. For continued compliance all components marked safety and EMC critic