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
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
harman/kardon, Inc. 250 Crossways Park Dr.
Woodbury, New York 11797
HK3470
SCHEMATIC DIAGRAM |
MAIN |
95 |
SCHEMATIC DIAGRAM
AMP/TONE/ETC.
POWER AMP
TONE |
POWER LED |
|
VR/LED |
POWER SW |
98 |
|
HK3370 / HK3470
SCHEMATIC DIAGRAM |
FRONT |
99 |
SCHEMATIC DIAGRAM
TUNER/VR/HP |
TUNER |
102 |
HK 3370 / HK 3470 |
HEAD PHONE
HK 3370 / HK 3470 |
12. WIRING DIAGRAM |
103 |
Loading...