Text preview for : AVR-645 Rev 0.pdf part of Harman Kardon AVR-645 Rev 0 Harman Kardon AVR AVR-645 AVR-645 Rev 0.pdf
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harman/kardon
AVR645
A/V DOLBY DIGITAL RECEIVER
SERVICE MANUAL
CONTENTS
ESD WARNING......................................2 PROCESSOR RESET..........................28
LEAKAGE TESTING................................3 UNIT EXPLODED VIEW........................29
BASIC SPECIFICATIONS........................4 EXPLODED VIEW PARTS LIST.............30
PACKAGE.............................................5 IDLE CURRENT ADJUST......................33
PACKAGE PARTS LIST..........................6 BLOCK DIAGRAM(S)...........................36
FRONT PANEL CONTROLS.....................7 CIRCUIT DESCRIPTION.......................37
REAR PANEL CONNECTIONS................10 SEMICONDUCTOR PINOUTS................38
REMOTE CONTROL FUNCTIONS...........13 PCB DRAWINGS.................................88
INSTALLATION/CONNECTIONS.............17 ELECTRICAL PARTS LIST...................100
OPERATION.......................................20 SCHEMATICS.....................................124
TROUBLESHOOTING GUIDE.................28 WIRING DIAGRAM.............................139
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797 Rev0