Service Manuals, User Guides, Schematic Diagrams or docs for : Harman Kardon AVR AVR-165 & 230 AVR-165 & 230
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Harman Kardon Service Manual
AVR 165/230
5.1 CHANNEL A/V RECEIVER
CONTENTS
ESD WARNING 2 EXPLODED VIEW AND PARTS 15
FRONT AND REAR PANELS 3 PARTS LIST 16
REMOTE CONTROL 7 IC PINOUTS 40
RESET REMOTE AND PROCESSOR 9 PCB DRAWINGS 87
TROUBLESHOOTING GUIDE 10 BLOCK DIAGRAMS 97
BASIC SPECIFICATIONS 11 WIRING DIAGRAM 99
PACKAGE LISTS AND PARTS 13 AMP BIAS ADJUSTMENT 100
DISASSEMBLY 14 SCHEMATIC DIAGRAMS 101-111
Released EU2011 Harman Consumer Group, Inc. Rev 0, 10/2011
8500 Balboa Boulevard
Northridge, California 91329
Harman Kardon AVR 165/230V 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.
Page 2 of 111
Harman Kardon AVR 165/230V Service Manual
AVR 1650/AVR 165 Front-Panel Controls
Front-Panel Controls
power Ir Set Message Surround Mode Volume
Indicator Sensor button display Select buttons knob
power channel left/right up/down buttons/ headphone Jack/ uSb Aux Analog
button level control buttons tuning buttons ezSet/eq Mic port Audio Input
button connector connector
tuning Mode digital Input Surround-Mode Source Select
button button category button buttons
4
Page 3 of 111
Harman Kardon AVR 165/230V Service Manual
AVR 1650/AVR 165 Front-Panel Controls, continued
Front-Panel Controls, continued Power button: press this button to turn the AVr on or to place it in the Standby mode.
Tuning Mode button: this button toggles between manual (one frequency step at a
ENGLISH
Power indicator: this led has three possible modes: time) and automatic (seeks frequencies with acceptable signal strength) tuning mode. It
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