Harman Kardon HK3480 Service Manual

harman/kardon
HK3480
STEREO RECEIVER
SERVICE MANUAL
CONTENTS
ESD WARNING…………………………....…….2
LEAKAGE TESTING………………..….…..…....3
SPECIFICATIONS ……………………………....4
FRONT PANEL CONTROLS ……………… ….5
REAR PANEL CONNECTIONS ………….....…8
REMOTE CONTROL FUNCTIONS ………..…10
TROUBLESHOOTING GUIDE…...……………12
PROCESSOR RESET……………………….…12
AMPLIFIER BIAS ADJUSTMENT……….…….13
BULLETIN HK2003-10……………………. …..14
BULLETIN HK2004-02……………………. …..16
DISASSEMBLY PROCEDURES………………17
EXPLODED VIEW …………………….………..20
BLOCK DIAGRAM…………..……….……….…21
FRONT PANEL DISPLAY..……….……….……22
IC DESCRIPTIONS/PINOUTS…………………26
ELECTRICAL PARTS LIST …………..………..40
PCB DRAWINGS……………………….…….…46
SCHEMATICS……………………………………48
WIRING DIAGRAM…………………………..….54
PACKAGE…………………………………….….55
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797
Rev2 2/2006

Harman Kardon HK3480 Specifications

General

Speaker Load Impedance	8 ohms
Input Impedance	47k ohms
Tuner Type	AM/FM
Preset Stations	30
Power Output	120 watts per channel
Frequency Response	10Hz - 100kHz (+0dB, -3dB)
Total Harmonic Distortion	<0.07% at 20Hz – 20kHz
Dimensions	440mm x 165mm x 410mm
Input Sensitivity	200mV
Weight	12.7kg