Harman/Kardon HK3370 & 3470 free download

File name HarmanKardon-HK3370_3470 rec.pdf

harman/kardon hk3370/hk3470 STEREO RECEIVER 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 BASIC TROUBLESHOOTING/RESET...19 TECH TIP HKTT2003-01...20 ALIGNMENT PROCEDURES...21 BLOCK DIAGRAM...24 EXPLODED VIEW HK3370...25 EXPLODED VIEW HK3470...26 DISASSEMBLY PROCEDURES...27 MECHANICAL PARTS LIST HK3370...35 ELECTRICAL PARTS LIST HK3370...36 MECHANICAL PARTS LIST HK3470...53 ELECTRICAL PARTS LIST HK3470...54 SEMICONDUCTOR PINOUTS ...71 PCB DRAWINGS...104 SCHEMATICS...110 WIRING DIAGRAM...121 Hk3370 PACKAGE...122 Hk3470 PACKAGE...123 harman/kardon, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev4 7/2005 hk3370/hk3470 harman/kardon 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. Immediat