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Harman Kardon AVR340

Harman Kardon AVR340
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harman/kardon
AVR340
7 X 55W 7.1 CHANNEL A/V RECEIVER
SERVICE MANUAL
CONTENTS
ESD WARNING……………………………….2
LEAKAGE TESTING……………….…..…....3
BASIC SPECIFICATIONS…………………..4
PACKAGING………………………..………..5
FRONT PANEL CONTROLS………..…..…..6
REAR PANEL CONNECTIONS………….…9
REMOTE CONTROL FUNCTIONS.………12
CONNECTIONS………………………….…16
OPERATION………………………...………19
TROUBLESHOOTING GUIDE…...……..…26
PROCESSOR RESET……………….….…..26
BULLETIN HK2006-01………………………27
TECH TIP HK2003-01…...….….………..…28
DISASSEMBLY………………………………29
UNIT EXPLODED VIEW……………………..32
EXPLODED VIEW PARTS LIST……………33
AMP BIAS ADJUSTMENT………………….34
BLOCK DIAGRAM…………………………..35
ELECTRICAL PARTS LIST……………..…36
PCB DRAWINGS……………………………80
SEMICONDUCTOR PINOUTS……….……86
SCHEMATICS……………………….…..….178
WIRING DIAGRAM…………………………186
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797 Rev 0 3/2006

Table of Contents

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Harman Kardon AVR340 Specifications

General IconGeneral
Channels7.1
Total Harmonic Distortion0.07%
Frequency Response10 Hz - 100 kHz
TypeAV Receiver
Input Sensitivity200 mV
Signal to Noise Ratio100 dB
Audio D/A Converter24-bit/192 kHz
HDMI Inputs2
HDMI Outputs1
Input Impedance47 kΩ
Digital audio output1 optical
Surround Sound FormatsDolby Digital, DTS
Video InputsComponent, Composite
Power Output (per channel)55 Watts @ 8 Ohms

Summary

Electrostatically Sensitive (ES) Devices

Safety Precautions

Leakage Current Check

Procedure for measuring leakage current to ensure safety before returning the appliance.

Front Panel Controls

Main Power Switch

Button to apply power to the AVR 340, placing it in Standby mode.

Power Indicator

LED indicator showing Standby (amber) or operation (blue) status.

StandbyOn Switch

Button to turn the AVR 340 on from Standby or off.

Tone Mode

Button to adjust bass and treble boost/cut, or bypass tone controls.

Speaker Selector

Button to configure the unit to match the type of speakers used.

Surround Mode Group Selector

Selects the top-level group of surround modes (e.g., Dolby, DTS).

Surround Mode Selector

Cycles through available surround modes within the selected group.

Digital Input Selector

Selects one of the digital or analog audio inputs for any source.

Input Source Selector

Changes the input by scrolling through the Input Indicators.

Channel Adjust Selector

Trims channel output levels using an external audio source.

Volume Control

Knob to increase or decrease system volume.

Rear Panel Connections

Multiroom Audio Outputs

Connects to an external amplifier for multizone distribution.

Main Remote Control Functions

Input Selectors

Selects device, source, and configures remote.

AVR Selector

Switches remote to operate AVR 340 functions.

DSP Surround Mode Selector

Cycles through DSP, VMAx, and Stereo surround modes.

Dolby Mode Selector

Selects available Dolby Surround processing modes.

DTS Digital Mode Selector

Scrolls through available DTS modes for DTS-encoded sources.

Logic 7 Mode Select Button

Selects from the available Logic 7 surround modes.

Stereo Mode Select Button

Selects Stereo or Surround Off modes for two-channel playback.

DTS Neo:6 Mode Select

Selects DTS Neo:6 modes to create surround fields from stereo sources.

Speaker Select

Configures the AVR 340’s bass management system for speakers.

Volume UpDown Buttons

Raises or lowers the system volume.

Installation and Connections

System Installation

Steps for unpacking, positioning, and making initial connections.

Audio Equipment Connections

Connecting analog and digital audio sources and recorders to the AVR.

Video Equipment Connections

Connecting VCRs, DVD players, TVs, satellite receivers, etc.

Multiroom Connections

Options for sending audio to a remote zone using amplifier or AVR channels.

AC Power Connections

Connecting the AC power cord and accessory outlets.

Operation

Turning the AVR 340 On or Off

Instructions for powering the unit on, off, and using the Sleep function.

Source Selection

Changing the audio/video input source using remote or front panel.

Digital Audio Playback

Information on using digital audio systems like Dolby Digital and DTS.

Dolby Digital

Details on Dolby Digital standard, LD discs, and HDTV system.

DTS

Information on DTS digital audio system and disc compatibility.

Surround Mode Selection

Reproducing multichannel surround sound from various sources.

Night Mode

Enables Dolby Digital input sources to be played with full intelligibility at low levels.

Tuner Operation

Tuning AM, FM, and FM Stereo broadcast stations.

Station Selection

Selecting stations manually, automatically, or via direct entry.

Preset Tuning

Storing up to 30 stations in memory for easy recall.

Recalling Preset Stations

Manually selecting stored stations by number or scrolling.

Troubleshooting Guide

Processor Reset

Resets the unit's memory to clear abnormal operation or displays.

Disassembly

Electrical Parts List

Amplifier Section Bias Adjustment

Schematic Diagram

Wiring Diagram

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