Harman Kardon HD 990 Service Manual

harman kardon
Model
HD 990
CD/ MP3 Player
Service Manual
- Contents -
SERVICE PRECAUTIONS………….……….……2
BASIC SPECIFICATIONS………………………...5
DETAILED SPECIFICATIONS………………......6
PACKAGE (120V)..…………….…....……..………7
FRONT PANEL CONTROLS………..…………….8
REAR PANEL CONNECTIONS…………………..9
REMOTE CONTROL……………………………..10
OPERATION…………..……..……………...........11
BASIC TROUBLESHOOTING GUIDE…………15
EXPLODED VIEW (120v)….……………………16
BLOCK DIAGRAM.……………..………………..17
ELECTRICAL PARTS LIST (120v)……… …….18
PCB DRAWINGS……………………..................24
SEMICONDUCTOR PINOUTS…………………29
SCHEMATICS………………………………....…49
WIRING DIAGRAM………………………………61
harman/kardon, Inc.
8500 Balboa Blvd.
Released 2010 Northridge, CA. 91329 Rev0 10/2010
Discontinued XXXX

Harman Kardon HD 990 Specifications

Signal Format

sampling frequency	32 kHz to 96 kHz
oversampling	24 Bits/384 kHz

Discrete Analog Output Section

frequency response	20 Hz – 20 kHz +0/-0.5dB
total harmonic distortion	<0.0006% @1kHz
signal-to-noise ratio	116 dB

Power

power requirement	100-240 V 50/60 Hz
power consumption (on)	<20 Watts
power consumption (standby)	<2 Watts

Weight and Dimensions

height	63 mm
width	440 mm
depth	332 mm
weight	3.8 kg