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Cambridge Audio AR30 V2 User Manual

Cambridge Audio AR30 V2
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Gallery Court Hankey Place London SE1 4BB UK
Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233
AR30 V2
Issue Date: February 2011
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SERVICE MANUAL
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Technical specifications
AR30 v2 specifications
Amplifier section
Power output 40 watts per channel (into 8)
THD <0.05% 20Hz-20kHz @ 80% max power
<0.009% @ 1kHz 10w
Frequency response 10Hz - 50kHz +/-1dB
S/N ratio (ref 1w) >80dB ‘A’ weighted
Line input impedances 47kohms (CD, DVD, Aux and MP3 inputs)
Tone controls +/-12dB @ 100Hz and 10kHz (shelving)
Headphone output 3.5mm stereo mini jack 32-600ohm
headphones recommended
Tuners
Bands AM (530-1710kHz)
FM/VHF (87.5MHz to 108MHz)
Aerial inputs FM 75ohms, Coaxial. AM 300 ohms wire
loop/single wire.
Signal to noise 80dB typical (DAB)
60dB typical (FM)
Distortion <0.01% @1kHz 2V rms o/p (DAB)
<0.2% @ 1kHz 50kHz deviation (FM mono)
<0.6% @ 1kHz 50kHz deviation (FM stereo)
DD30 docking station for iPod
THD <0.009% @ 1kHz
S/N ratio <-80dB re 2V output.
General
Trigger Outputs 3x 12V @ 30mA, 3.5mm jack, Tip positive.
Corresponding to CD, DVD and Aux inputs
Power Supply AR30-EU: 230V AC~ 50Hz (UK/EU)
AR30-CU: 115V AC~ 60Hz (CU/US)
Max. power consumption 300W
Standby power consumption <1W
Dimensions 270 x 67 x 285mm (WxHxD)
Weight 4.0kg (8.6lbs)
1
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Cambridge Audio AR30 V2 Specifications

General IconGeneral
BrandCambridge Audio
ModelAR30 V2
CategoryStereo Receiver
LanguageEnglish

Summary

Technical Specifications

Amplifier Section

Details power output, THD, frequency response, S/N ratio, and more.

Tuner Section

Covers tuner bands, aerial inputs, signal-to-noise ratio, and distortion.

DD30 Docking Station

Lists THD and S/N ratio specifications for the iPod docking station.

General Specifications

Includes trigger outputs, power supply details, dimensions, and weight.

Front Panel Controls

Standby/On and Infrared Sensor

Controls power state and IR command reception.

Phones and Source Selection

Headphone jack connection and input source switching functionality.

Skip/Scan, Display, and Band

Tuner tuning, display information, and band switching operations.

Front Panel Controls - Information and Input

Info and Select/Mode Functions

Display information and tuning mode control.

MP3 Input and Volume Control

Front panel MP3 input and volume adjustment functions.

Rear Panel Connections

Power and Speaker Terminals

AC power socket, power switch, and loudspeaker connections.

Antenna and Docking Station Ports

AM/FM antenna, SIRIUS socket, and DD30 dock connector.

Rear Panel Connections - Audio and Aerial

Audio Outputs and Inputs

Trigger Out, Sub In/Out, Rec Out, and Audio Inputs.

DAB/FM Aerial Input Details

F-type connector for DAB and FM antenna signals.

Important Safety Instructions

General Precautions and Warnings

Covers reading instructions, general use, and specific warnings.

Fire, Shock, and Battery Hazards

Addresses risks of fire, electric shock, moisture, and battery safety.

Safety Symbols and Regulatory Information

Understanding Safety Symbols

Explains lightning, WEEE, CE, C-Tick, and Ross Test symbols.

FCC Compliance and Interference

Details FCC rules and potential radio/TV interference.

Installation and Usage Guidelines

Ventilation, Positioning, and Power

Proper placement, heat management, and power source details.

Overloading, Cleaning, and Battery Disposal

Safety regarding electrical load, cleaning, and battery disposal.

Operational and Maintenance Notes

Loudspeaker Connections and Servicing Policy

Safe speaker connection and non-user-serviceable policy.

Exploded Diagram and Bill of Materials

AR30 Main Assembly Exploded View

Visual breakdown of the main unit components.

Bill of Materials for Main Assembly

List of parts for the main assembly.

Front Panel Assembly Details

Front Panel Exploded View

Visual breakdown of front panel components.

Bill of Materials for Front Panel

List of parts for the front panel.

Service Parts List

Remote Control and Front Panel Parts

Parts for remote control and front panel components.

Component Identification and Part Numbers

Lists ICs, transistors, and other components with part numbers.

VFD Schematic Diagram

VFD Control Circuitry

Schematic for the Vacuum Fluorescent Display control.

Display Layout Top

Top Layer PCB Trace Layout

Top-side copper trace layout for the display board.

Display Layout Bottom

Bottom Layer PCB Trace Layout

Bottom-side copper trace layout for the display board.

Amplifier Schematic Diagram

Main Amplifier Circuitry

Detailed schematic of the amplifier section.

Amp Layout Top

Top Layer PCB Trace Layout

Top-side copper trace layout for the amplifier board.

Amp Layout Bottom

Bottom Layer PCB Trace Layout

Bottom-side copper trace layout for the amplifier board.

Power Supply Schematic

Power Supply Circuit Diagram

Schematic detailing the power supply unit.

Power Layout Top

Top Layer PCB Trace Layout

Top-side copper trace layout for the power supply board.

Power Layout Bottom

Bottom Layer PCB Trace Layout

Bottom-side copper trace layout for the power supply board.

Bill of Materials (Page 1)

Resistors and Capacitors (Part 1)

List of resistors and capacitors with part numbers.

Bill of Materials (Page 2)

Resistors and Capacitors (Part 2)

Continuation of resistors and capacitors list.

Bill of Materials (Page 3)

Capacitors, Diodes, and Transistors

List of capacitors, diodes, and transistors.

Bill of Materials (Page 4)

Capacitors and Inductors

List of various capacitors and inductors.

Bill of Materials (Page 5)

Connectors and Miscellaneous Parts

List of connectors, sockets, and other parts.

Bill of Materials (Page 6)

Relays, Resistors, and Filters

List of relays, resistors, and filters.

Bill of Materials (Page 7)

Capacitors and Resistors (Continued)

Further list of capacitors and resistors.

Bill of Materials (Page 8)

Diodes, Transistors, and ICs

List of diodes, transistors, and integrated circuits.

Bill of Materials (Page 9)

Resistors and Connectors

List of resistors and various connectors.

Bill of Materials (Page 10)

Capacitors, Diodes, Transistors, and ICs

List of capacitors, diodes, transistors, and ICs.

Bill of Materials (Page 11)

Capacitors, Diodes, and Transistors

List of capacitors, diodes, and transistors.

Bill of Materials (Page 12)

Transistors, Connectors, and Power Components

List of transistors, connectors, and power-related parts.

Bill of Materials (Page 13)

Chassis Parts and Fasteners

List of chassis parts, knobs, and fasteners.

Bill of Materials (Page 14)

Accessories and Fasteners

List of accessories like bags, labels, and various screws.

Bill of Materials (Page 15)

Fasteners and Miscellaneous Parts

List of screws, washers, desiccant, and heat shrink tubes.

IC Pin Layouts - Amplifier PCB

Transistor Pinouts (S8550, 2N5551, 2N5401, S9014)

Pin configurations for common transistors.

IC Pinouts (STC810M, PT2257-S)

Pin configurations for STC810M and PT2257-S ICs.

IC Pin Layouts - Amplifier PCB (Continued)

IC Pinouts (PT2319, FM3130, JRC4560, R5F21258SNFP)

Pin configurations for PT2319, FM3130, JRC4560, and R5F21258SNFP ICs.

IC Pin Layouts - Amplifier PCB (Continued)

IC Pinouts (LD1117, 4053, 74HCT14, TC7WH08FU)

Pin configurations for LD1117, 4053, 74HCT14, and TC7WH08FU ICs.

Transistor Pinouts (2SA1693)

Pin configuration for 2SA1693 transistors.

IC Pin Layouts - Amplifier PCB (Continued)

Transistor Pinouts (2SC4466, 2N5551)

Pin configurations for 2SC4466 and 2N5551 transistors.

Transistor Pinouts (S8050, C8550)

Pin configurations for S8050 and C8550 transistors.

IC Pin Layouts - Amplifier PCB (Continued)

Transistor Pinouts (C9014)

Pin configuration for C9014 transistors.

IC Pinouts (LM2595T, KA7812, KA7912)

Pin configurations for LM2595T, KA7812, and KA7912 ICs.

VFD PCB Component (8050)

Pin configuration for the 8050 component on the VFD PCB.

IC Pin Layouts - Amplifier PCB (Continued)

Transistor Pinouts (8550, 9014, 9015)

Pin configurations for 8550, 9014, and 9015 transistors.

IC Pinout (PT6311)

Pin configuration for the PT6311 IC.

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