Harman kardon hd 7500 service manual

Page 1

The Harman Kardon
MOdel HD7500 Manual153A

COMPACT DISC PLAYER

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HD7500 um. any-1.,

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harman/kardun

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The following marks found in the parts list of this manual
identify the models as follows.

: North America area model

: North America area model Black version

: International model

: International model Black version

: Japan model Black version

: Australia model Black version

69%995

harman/kardon

240 Crossways Park West, Woodbury, N. Y. 11797
1112-3152153A6 P-1189061500 Printed in Japan

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1
CLASS 1 LASER PRODUCT Be Careful of the Laser Pickup
Product complies with DHHS rules CFR subchapterJ part Although you cannot see it from the outside, a laser
1040:10 at date of manufacture. pickup is located under the disc tray and a precision lens
is built in it.
DANGER-invisible laser radiation when open and inter- Since the laser pickup, including the lens element, is
look failed or defeated. Avoid direct exposure to the especially sensitive to dust, keep the disc tray closed
beam. when not in use. Also do not put your hand inside the
unit.
CAUTION-use of all controls, adjustments or pedorm»
ance of procedures other than those specified herein may
result in hazardous radiation exposure.
ADVARSEL:

Usynlig laserstraiing ved abning nar
sikksrhedsaibrydere er ude af funktion. Undga

CLASS 1 udsaatteise tor strafing.

LASER PRODUCT

VAROITUS!
Laite siséhaa laserdiodin, joka lfihettaa nakymatfinta
silmilie vaarailista laserséteilya.

L J
SPECIFICATION
System : Compact Disc Digital Audio Channel Separation : 96dB
DIA Convener : Linear, Pulse Width Lino Output Level! Impedance: 2.0V @ 10kt)

Modulated Bit Stream. Power Supply

Clock Rate: 33.8688MH2 USA, and Canada models :AC120V. 60H:

(83,868.8KH2) International model :A0220/240V, 50/60Hz
Signal Detection :S-Bearn Semiconductor Japan model :AC100V, 50/6on

Optical Laser Pickup Power Consumption :20Watts (Japan model: 17Watts)
Error Correction 2 ClFiC System Dimensions : 17-3/8' x 4' x 14'
Low Level Linearity 2 +/-O.2dE @SOdB 443mm x 103mm x 356 mm
Frequency Response 24Hz to 20kHz +0dBI-.5dB Weight : 11,9Ib/5.4kp
Total Harmonic Distortion (THD) :0.003%
Dynamic Range :SBdB Specifications and components subject to change without notice.
Signal to Noise Ratio : 106dB Overall performance will be maintained or improved.

Adjustment of this unit requires following measuring
instruments endjlgs.

I Oscilloscope (3 or more modes, 100MHz, input Select DC
range) 1740A
a Test Disc : EIAJ CD-1