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Harman Kardon AVR 350/230 User Manual

Harman Kardon AVR 350/230
95 pages
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harman/kardon Service Manual
AVR 347/230
AVR 350/230
7 x 55W 7.1 CHANNEL A/V RECEIVERS
CONTENTS
ESD WARNING 2
BASIC SPECIFICATIONS 3
TROUBLESHOOTING GUIDE 4
PROCESSOR RESET 4
AVR 347 PACKAGE LIST AND PARTS 5
AVR 347 DISASSEMBLY 6
AVR 347 DISASSEMBLY PROCEDURE 7
AVR347 EXPLODED VIEW AND PARTS 11
AVR350 PACKAGE LIST AND PARTS 12
AVR 350 DISASSEMBLY 13
AVR 350 EXPLODED VIEW AND PARTS 14
ELECTRICAL PARTS LIST 15
PCB DRAWINGS 74
BLOCK DIAGRAM 83
WIRING DIAGRAM 84
AMP BIAS ADJUSTMENT 85
SCHEMATIC DIAGRAMS 86
(For Semiconductor Pinouts, see separate file )
Released EU2008 harman/kardon, Inc. Rev 0, 07/2008
250 Crossways Park Dr.
Woodbury, New York, 11797
harman/kardon
AVR 347/230 - AVR 350/230 Service Manual
Page 1 of 95
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Harman Kardon AVR 350/230 Specifications

General IconGeneral
HDMI Inputs3
TypeAV Receiver
Input Sensitivity200mV
Signal to Noise Ratio100dB
Total Harmonic Distortion0.07%
Speaker Impedance8 Ohms
Audio Formats SupportedDolby Digital, Dolby Digital EX, DTS, DTS-ES, DTS Neo:6
Input Impedance47 kΩ
Frequency Response10Hz - 100kHz (+/- 3 dB)

Summary

Electrostatic Sensitive Device Handling

Product Safety Notice

Important safety precautions to be followed during servicing and component replacement.

Technical Specifications

Audio Section Specifications

Details on audio modes, power output, input sensitivity, and frequency response.

Tuner and Video Specifications

Specifications for FM/AM tuners, video formats, and frequency response.

General Unit Specifications

Details on power requirements, dimensions, and weight of the unit.

Troubleshooting Guide

Processor Reset Procedure

Accessories and Package Contents

Instruction Manual and Accessories List

List and visual representation of included manuals and accessory items.

Package Drawing Details

Diagram illustrating the contents of the product packaging.

Disassembly Steps Overview

Removing Top Cabinet

Instructions for removing the top cabinet by unscrewing it from the chassis.

Removing Front Panel

Instructions for removing the front panel assembly, including disconnecting cables.

Removing Rear Panel

Instructions for removing the rear panel by unscrewing it.

Removing Main PCB

Instructions for removing the main printed circuit board assembly.

AVR347 Disassembly Procedures

Top Cabinet and Front Panel Removal

Detailed steps for removing the top cabinet and front panel assembly, including connector disconnections.

Volume PCB Removal

Instructions for removing the Volume PCB after disconnecting cables and connectors.

Phone PCB Removal

Instructions for removing the Phone PCB after disconnecting cables and connectors.

Power LED PCB Removal

Instructions for removing the Power LED PCB after disconnecting cables and connectors.

FIP PCB Removal

Instructions for removing the FIP PCB after disconnecting cables and connectors.

Key PCB Removal

Instructions for removing the Key PCB after disconnecting cables and connectors.

AVR347 Exploded View

AVR350/230 Accessories and Package Contents

Instruction Manual and Accessories List

List and visual representation of included manuals and accessory items for AVR350/230.

Package Drawing Details

Diagram illustrating the contents of the product packaging for AVR350/230.

Disassembly Steps Overview (AVR350/230)

Removing Unit Components (AVR350/230)

Illustrated guide for removing the top cabinet, front panel, rear panel, and main PCB for AVR350/230.

AVR350/230 Exploded View

Electrical Parts List

General Electrical Parts List

Comprehensive list of electrical parts, part numbers, descriptions, and values for both models.

Front Panel and Bottom Chassis Parts

List of components for the front panel and bottom chassis assemblies.

Front PCB Assembly Parts

List of components on the front PCB, including capacitors and connectors.

Main PCB Assembly Parts

List of components on the main PCB, including motors, capacitors, and ICs.

Input PCB Assembly Parts

List of components for the Input PCB assembly, including capacitors and ICs.

Hudson PCB Assembly Parts

List of components for the Hudson PCB assembly, including capacitors and ICs.

Power PCB Assembly Parts

List of components for the Power PCB assembly, including capacitors, diodes, and resistors.

Video PCB Assembly Parts

List of components for the Video PCB assembly, including PCBs and capacitors.

Hudson Jack PCB Assembly Parts

List of components for the Hudson Jack PCB assembly.

Block Diagram

Wiring Diagram

Amplifier Section Bias Adjustment

Schematic Diagrams Overview

Main Schematic Diagram Sections

Index and breakdown of different schematic diagram sections covering unit parts.

Schematic Diagrams (Multi/A-BUS, Regulator, XM)

Multi/A-BUS Section Schematic

Schematic details for the multi-room audio and A-BUS interface sections.

Regulator Section Schematic

Schematic details for the voltage regulator circuits.

XM Section Schematic (USA Ver. ONLY)

Schematic details for the XM module, specific to USA versions.

Schematic Diagrams (Specific PCB Sections)

Bias T.R PCB Schematic

Schematic details for the bias and transistor circuitry.

Digital In/Out PCB Schematic

Schematic details for the digital input/output interfaces.

Remote In/Out PCB Schematic

Schematic details for the remote control input/output circuitry.

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