Read Harman Kardon HK 3470 Service Manual online
harman/kardon
hk3370/3470
STEREO RECEIVER
PRELIMINARY
SERVICE MANUAL
CONTENTS
ESD WARNING……………………..…….…….2
LEAKAGE TESTING………………..…….…....3
BASIC SPECIFICATIONS hk3370………..…..4
BASIC SPECIFICATIONS hk3470………..…..5
FRONT PANEL CONTROLS hk3370.….…….6
REAR PANEL CONNECTIONS hk3370…..…8
REMOTE CONTROL FUNCTIONS HK3370..10
FRONT PANEL CONTROLS hk3470.……….12
REAR PANEL CONNECTIONS hk3470…..…15
REMOTE CONTROL FUNCTIONS HK3470..17
TROUBLESHOOTING GUIDE…...….….....…19
ALIGNMENT PROCEDURES…………….…..20
WAVEFORMS……………………………..…..23
LEAKAGE TESTING………………..…….…....3
BASIC SPECIFICATIONS hk3370………..…..4
BASIC SPECIFICATIONS hk3470………..…..5
FRONT PANEL CONTROLS hk3370.….…….6
REAR PANEL CONNECTIONS hk3370…..…8
REMOTE CONTROL FUNCTIONS HK3370..10
FRONT PANEL CONTROLS hk3470.……….12
REAR PANEL CONNECTIONS hk3470…..…15
REMOTE CONTROL FUNCTIONS HK3470..17
TROUBLESHOOTING GUIDE…...….….....…19
ALIGNMENT PROCEDURES…………….…..20
WAVEFORMS……………………………..…..23
BLOCK DIAGRAM…………..………………28
EXPLODED VIEW HK3370………….……..29
EXPLODED VIEW HK3470…….……...…..30
DISASSEMBLY PROCEDURES…………..31
MECHANICAL PARTS LIST HK3370.……39
ELECTRICAL PARTS LIST HK3370.….…40
MECHANICAL PARTS LIST HK3370.……57
ELECTRICAL PARTS LIST HK3370.….…58
IC DESCRIPTIONS………………….……..75
PCB DRAWINGS……………………...……86
SCHEMATICS………………….……………92
WIRING DIAGRAM………………………...103
PACKAGE………………….………………..104
EXPLODED VIEW HK3370………….……..29
EXPLODED VIEW HK3470…….……...…..30
DISASSEMBLY PROCEDURES…………..31
MECHANICAL PARTS LIST HK3370.……39
ELECTRICAL PARTS LIST HK3370.….…40
MECHANICAL PARTS LIST HK3370.……57
ELECTRICAL PARTS LIST HK3370.….…58
IC DESCRIPTIONS………………….……..75
PCB DRAWINGS……………………...……86
SCHEMATICS………………….……………92
WIRING DIAGRAM………………………...103
PACKAGE………………….………………..104
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797
SCHEMATIC DIAGRAM
MAIN
MAIN
HK3470
7895
SCHEMATIC DIAGRAM
AMP/TONE/ETC.
AMP/TONE/ETC.
HK3370 / HK3470
POWER AMP
TONE
VR/LED
POWER SW
POWER LED
79
98
SCHEMATIC DIAGRAM
FRONT
FRONT
HK3370 / HK3470
80 99