Harman Kardon AVR247 User Manual

harman/kardon
AVR247
7 X 50W 7.1 CHANNEL A/V RECEIVER
SERVICE MANUAL
CONTENTS
ESD WARNING……………………………….2
LEAKAGE TESTING……………….…..…....3
BASIC SPECIFICATIONS…………………..4
PACKAGING…………………………….……5
FRONT PANEL CONTROLS………..…..…..6
REAR PANEL CONNECTIONS………….…8
REMOTE CONTROL FUNCTIONS……….11
CONNECTIONS/INSTALLATION………....14
OPERATION………………………...………26
TROUBLESHOOTING GUIDE…...……..…34
REMOTE & PROCESSOR RESETS……....35
DISASSEMBLY…...…………………………..36
UNIT EXPLODED VIEW…………..…….…..41
EXPLODED VIEW PARTS LIST……………42
AMP BIAS ADJUSTMENT……………….…43
BLOCK DIAGRAM…………………………..44
PCB DRAWINGS……………………………45
ELECTRICAL PARTS LIST………..….……54
SEMICONDUCTOR PINOUTS…….………95
SCHEMATICS……………………………….196
WIRING DIAGRAM…………………………206
harman/kardon, Inc.
250 Crossways Park Dr.
Released 2007 Woodbury, New York 11797 Rev
1 6/2008
Discontinued XXXX

Harman Kardon AVR247 Specifications

General

Number of Channels	7.1
HDMI Inputs	2
HDMI Outputs	1
Dolby Digital	Yes
DTS	Yes
Type	AV Receiver
Input Sensitivity	200 mV
Signal to Noise Ratio	100 dB
Total Harmonic Distortion	0.07%
Component Video Inputs	3
Component Video Outputs	1
Power Output	50 Watts per channel
Surround Sound Formats	Dolby Digital, DTS, Dolby Pro Logic II
Video Inputs	Composite, S-Video
Video Outputs	Composite, S-Video
Dimensions	440 x 165 x 382 mm
Frequency Response	10 Hz - 100 kHz
Audio Inputs	Analog, Optical, Coaxial