Harman kardon hd 7325 service manual

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The Harman Kardon

Model HD7325/HD7225A Manual 192A
A COMPACT DISC PLAYER

Tedhmicea Mama

harmanr'kard IL

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

HD7325 Cab : North America area model Black version
HD7225A/HD7325 3 : International model Black version
HD7225A/HD7325 0 :International model

CONTENTS

SPECIFICATION '''' IC BLOCK DIAGRAMS 24

SAFETY PRECAUTIONS CD MECHANISM EXPLODED VIEW - - 27

CONTROLS AND FUNCTIONS -- CD MECHANISM PARTS LIST '

DISASSEMBLY PROCEDURES -- GENERAL UNIT -----------------

POWER CORD REPLACEMENT - GENERAL UNIT PARTS LIST

ADJUSTMENT PROCEDURE - 8 RC. BOARDS --------------------

TROUBLE SHOOTING ------- - 10 ELECTRICAL PARTS LIST -

IC TERMINAL FUNCTIONS - 14 WIRING DIAGRAM

CIRCUIT DESCRIPTION -------- SCHEMATIC DIAGRAMS u
harman/kardon

Pans and Service Office
80 Crossways Park West, Woodbury. N.Y. 11797
1112-0570A152 A9403 1500 Printed in Japan

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HD7325
HD7225A

CLASS 1 LASER PRODUCT

Product complies with DHHS rules CFH subchapter J part 1040: Be Careful of the Laser Pickup

10 atdate of manufacture Although you cannot see it from the outside, a laser
pickup is located under the disc tray and a precision lens

DANGER-invisible laser radiation when opened and interlock '5 bu' '" "

Since the laser pickup, including the lens element, is
especially sensitive to dust. keep the disc tray closed
when not in use. Also do not put your hand inside the
unit.

failed or defeated. Avoid direct exposure to the beam.

CAUTION-use of all controls. adjustments or perlormance of
procedures other than those specified herein may result in
hazardous radiation exposure.

ADVAHSEL:

Usynlig laserstraling ved abning nar
sikkerhedsaibrydere er ude at funktion. Undga
udsaettelse for straling.

CLASS 1

LASER PRODUCT wmorrus:

Laite sisétltéé laserdiodin, joka Iahettaa nakymatonta
silmille vaarailista lasersateilya.

SPECIFICATION
System : Compact Disc Digital Audio Channel Separation : 93GB
D/A Convener :Llnear. Pulse Width Modulated 30 Bit Line Output Level/impedance :2,2V®10k§2
Stream Digital Oulpul Level/impedance : 0.5Vp-p @759
Clock Hate : 33.8688MHZ. 186lt/4Fs (Coaxial)
Digital Filler Power Supply
Signal Detection :S-Bsam Semiconductor USA and Canada models 01 ZOV' GOHZ
Optical Laser Pickup International model :AC230/240V, 50/ SOHz
Error Correction : ClFlC System Power Consumption I 20Watts
Low Level Linearity : +/-1.0clB o-goas Dimensions (W x H x D) : 17-3/3- x 3-5/8 x 13'
Frequency Response :4Hz to 20kHz +0dBI-1.SdB 442mm X 92mm * 325mm
Tolal Harmonic Dislorllon (THO) :0 006% Weight I 10.1 lbs/4.5kg
Dynamic Range : 95:13
Signal to Noise Ratio ; iOOdB . Specifications and components subject to change without notlce,

Overall perlormance will be maintained or improved.