Cambridge Audio 540R V2.0 - User Manual

Gallery Court Hankey Place London SE1 4BB UK
Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233
540R V2.0
First Issue Date: 29th June 2006
Second Issue Date: 9th October 2006
SERVICE MANUAL
SPECIFICATIONS:
Audio Section
Power Output Front 100W RMSx2(8ohm, 1% THD)
Centre 100W RMS (8 ohm, 1% THD)
Surr. (L/R) 100W RMS x 2 (8 ohm, 1% THD)
Surr. Back 100W RMS (8 ohm, 1% THD)
Output Impedance Front (L/R) 8 ohm
Centre 8 ohm
Surr. (L/R) 8 ohm
Surr. Back 8 ohm
THD (unweighted) less than 0.05%
Line Input
Input Impedances 150mV/47k
Frequency Response 20Hz~25KHz+0.5/-1dB
Tone Control Range Bass ± 6dB - Treble ± 6dB
S/N ratio (ref 1W/8 Ohm) 75dB
Subwoofer Output
Rated Output/Impedance 150mV/10k
Frequency Response 10Hz~300Hz+3dB
FM Tuner Section
Frequency Range 87.5~108MHz
Sensitivity 14dB (5uV)
Antenna Terminal 75 ohm (unbalanced)
AM Tuner Section
Frequency Range 522~1629kHz, 9kHz step
Sensitivity 68 dB/M
Signal to Noise Range 30 dB
Antenna Loop Antenna
Power Requirement AC230V~50Hz
Max Power Consumption 615 Watts
Dimensions (W x D x H) 350 x 430 x 150
Weight 15.8kg
AP19914/3
Third Issue Date: 02nd February 2007
1

Summary

Exploded Diagram and Component Information

Bill of Materials

Comprehensive list of all components used in the AV receiver.

IC Pin Layout Details

Pin configurations for various integrated circuits.

Decoder PCB Details

Decoder PCB Schematics

Circuit diagrams for the decoder PCB.

Decoder PCB Board Layout

Physical layout of components on the decoder PCB.

Main Board Schematics and Layout

Main Board Schematics

Circuit diagrams for the main board's power supply, output, and protection.

Main Board Layout

Physical layout of components on the main board.

Other PCB Schematics

OSD and Coaxial Schematics

YUV and Input;Outputs Schematics

Display and AC Input Schematics

Other PCB Layouts

OSD, Co-axial, and Connect Board Layouts

Cambridge Audio 540R V2.0 Specifications

General

Channels	6.1
Frequency Response	10 Hz - 50 kHz
Input Impedance	47 kOhm
Input Sensitivity	200 mV
Tuner Bands	FM/AM
Audio D/A Converter	24-bit/192 kHz
Width	430 mm
Depth	350 mm
Amplifier Type	Class AB
Inputs	2 x Optical, 1 x Coaxial
Outputs	1 x Subwoofer