Service Manuals, User Guides, Schematic Diagrams or docs for : Harman Kardon AVR AVR-160 & 230 AVR-160 & 230
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harman/kardon AVR 160/230 Service Manual
harman/kardon Service Manual
AVR 160/230
5 x 40W 5.1 CHANNEL A/V RECEIVER
CONTENTS
ESD WARNING 2 EXPLODED VIEW AND PARTS 12
FRONT AND REAR PANELS 3 ELECTRICAL PARTS LIST 13
REMOTE CONTROL 5 SEMICONDUCTOR PINOUTS 41
TROUBLESHOOTING GUIDE 8 PCB DRAWINGS 97
PROCESSOR RESET 8 BLOCK DIAGRAM 104
TECHNICAL SPECIFICATIONS 9 WIRING DIAGRAM 105
PACKAGE LISTS AND PARTS 10 AMP BIAS ADJUSTMENT 106
DISASSEMBLY 11 SCHEMATIC DIAGRAMS 107-116
Released EU2010 Harman Consumer Group, Inc. Rev 0, 05/2010
8500 Balboa Boulevard
Northridge, California 91329
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harman/kardon AVR 160/230 Service Manual
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.
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harman/kardon AVR 160/230 Service Manual
FRONT-PANEL CONTROLS
Power indicator Tuning Mode Remote IR Sensor Set Message Display Surround Select Source Selectors Volume
160
RDS
D Channel Digital M Set
Se N L Tuning K Surr. Mode L Surr. Select
S K L ur
Source K
ENGLISH
Optical 3 Coaxial 3 Video L - Audio - R
e
Video 3
Headphone Digital Video 3
Standby/On Channel Level Digital Input M N Tuning Surround EzSet/EQ Audio Inputs USB Port Analog Audio and
Switch Control Navigation Modes Microphone (Optical 3 and Video Inputs
Input Coaxial 3)
Power Indicator: This LED has three possible modes: It is recommended that you avoid changing the channel levels after you have
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