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Harman Kardon Service Manual
AVR 70/230
5x75W 5.1 CHANNEL A/V RECEIVER
CONTENTS
ESD WARNING 2 SEMICONDUCTOR PINOUTS 46
OWNER'S MANUAL 3 PCB DRAWINGS 63
EXPLODED VIEW AND PARTS 29 BLOCK DIAGRAMS 74
TROUBLESHOOTING 30 WIRING DIAGRAM 78
PARTS LIST 33 SCHEMATIC DIAGRAMS 79
Released EU2012 Harman Consumer Group, Inc. Rev 0, 06/2012
8500 Balboa Boulevard
Northridge, California 91329
harman/kardon Service manual AVR745EU
Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called
Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field effect transistors and
semiconductor "chip" components.
The following techniques should be used to help reduce the incidence of component damage caused by static electricity.
1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any electrostatic charge on
your body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging wrist strap device,
which should be removed for potential shock reasons prior to applying power to the unit under test.
2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as aluminum foil, to
prevent electrostatic charge build-up or exposure of the assembly.
3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.
4. Use only an anti-static solder removal device. Some solder removal devices not classified as "anti-static" can generate electrical charges
sufficient to damage ES devices.
5. Do not use freon-propelled chemicals. These can generate electrical change sufficient to damage ES devices.
6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most replacement
ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive material.)
7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material to the
chassis or circuit assembly into which the device will be installed.
CAUTION : Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.
8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the brushing together
or your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ES devices.
Each precaution in this manual should be followed during servicing.
Components identified with the IEC symbol in the parts list are special significance to safety. When replacing a component identified with
, use only the replacement parts designated, or parts with the same ratings or resistance, wattage, or voltage that are designated in the
parts list in this manual. Leakage-current or resistance measurements must be made to determine that exposed parts are acceptably
insulated from the supply circuit before retuming the product to the customer.
Page 2 of 118
AVR 700/AVR 70/AVR 70C
Audio/video receiver
Owner's Manual
FPO
AVR 700/AVR 70/AVR 70C Table of Contents
IntroductIon 3 operAtIng your AVr 16
SupplIed AcceSSorIeS 3 controllIng the Volume 16
ImportAnt SAfety InformAtIon 3 mutIng the Sound 16
plAce the AVr 3 lIStenIng through heAdphoneS 16
front-pAnel controlS 4 SelectIng A Source 16
reAr-pAnel connectorS 5 VIdeo troubleShootIng tIpS 16
SyStem remote control functIonS 6 lIStenIng to fm And Am rAdIo 16
IntroductIon to home theAter 8 lIStenIng to medIA on A uSb deVIce 16
typIcAl home theAter SyStem 8 SelectIng A Surround mode 17
multIchAnnel AudIo 8 AdVAnced functIonS 17
Surround modeS 8 AudIo proceSSIng And Surround Sound 17
plAce your SpeAkerS 8 AdjuStIng the chAnnel VolumeS 17
plAcIng the left, center And rIght SpeAkerS 8 recordIng 17
plAcIng the Surround SpeAkerS 8 Sleep tImer 18
plAcIng the Subwoofer 8 proceSSor reSet 18
typeS of home theAter SyStem connectIonS 9 memory 18
SpeAker connectIonS 9 troubleShootIng 19
Subwoofer connectIonS 9 SpecIfIcAtIonS 20
Source deVIce connectIonS 9 AppendIx 21
VIdeo connectIonS 10
rAdIo connectIonS 10
uSb port 10
mAkIng connectIonS 11
connect your SpeAkerS 11
connect your Subwoofer 11
connect your tV or VIdeo dISplAy 11
connect your Source deVIceS 11
connect the rAdIo AntennAS 13
connect to Ac power 13
InStAll bAtterIeS In the remote control 13
Set up the AVr 14
turn on the AVr 14
uSIng the on-Screen menu SyStem 14
confIgure the AVr for your SpeAkerS 15
AddItIonAl Setup menu ItemS 15
2
Introduction, Supplied Accessories,
AVR 700/AVR 70/AVR 70C Important Safety Information and Place the AVR
Introduction IMPORTANT SAFETY INFORMATION
Thank you for choosing this Harman Kardon product! Verify Line Voltage Before Use
for more than fifty years, the harman kardon mission has been to share a passion for music the AVr 700 has been designed for use with 120-volt alternating current (Ac). the
and entertainment, using leading-edge technology to achieve premium performance. AVr 70 and AVr 70c have been designed for use with 220