harman/kardon
Service Manual
AVR137/230
5 x 30W 5.1 CHANNEL A/V RECEIVER
CONTENTS
ESD
WARNING………………………..…..2
ELECTRICAL
PARTS
LIST…….……12
LEAKAGE TESTING……………….....…..3
SEMICONDUCTOR PINOUTS……...35
BASIC
SPECIFICATIONS…………….….4
PCB
DRAWINGS………….................72
TROUBLESHOOTING GUIDE….…….....5 BLOCK
DIAGRAM………...................78
PROCESSOR
RESET……………….……5
WIRING
DIAGRAM…….....................79
PACKAGE LIST AND PARTS……….…...6
AMP BIAS ADJUSTMENT….…....…..80
DISASSEMBLY………………………….…7
SCHEMATIC
DIAGRAMS……………81
UNIT EXPLODED VIEW AND PARTS...11
Released
EU2008
harman/kardon,
Inc.
Rev
0,
04/2008
250 Crossways Park Dr.
Woodbury,
New
York,
11797
Page 1 of 87
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