Harman Kardon AVR20MKII Technical Manua

The Harman Kardon
Model AVR20MKII
AUDIO AND VIDEO RECEIVER
ysechnical Manua
harman/kardon AVR 2011
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=a CONTENTS &
SPECIFICATIONS «100s ceconeseeseteneverseseceeseeeesvees 2 GENERAL UNIT cessseccccscesene recent eeteeeaeeeeeuen ens 21
LEAKAGE TEST +4 PRINTED CIRCUIT BOARDS - 22
BLOCK DIAGRAM ----+-------2220808+ +5 ELECTRICAL PARTS LIST «+++++++++++ 23
CONTROLS AND FUNCTIONS -- --6 IC FUNCTIONAL BLOCK DIAGRAM 28
DISASSEMBLY PROCEDURES ::-- 7 WIRING DIAGRAM eve eee eee ere re reese +33
CIRCUIT DESCRIPTION --------- oe SCHEMATIC DIAGRAMS (I) ----+ 34
ALIGNMENT PROCEDURES oe 14 SCHEMATIC DIAGRAMS (II) «+ +35
TROUBLESHOOTING «+++ "+ 17 SCHEMATIC DIAGRAMS {IID --- +36
GENERAL UNIT PARTS LIST --+++-+--+++ese2eeeeee 2 20 SCHEMATIC DIAGRAMS [{IV) ------seeereeseeer terres 37
harman/kardon
Parts and Service Office
80 Crossways Park West, Woodbury, N.Y, 11797
1112-AVR20MKII G9604 1200 Printed in Korea