Harman kardon hd 7525 cd

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The Harman Kardon

MOdel HD7525 Manual A
COMPACT DISC PLAYER

T@@mfi@@l Memmfl

harman'kardon #133525 ggmpmum

The following marks found in the parts list of this manual
identity the models as follows:
® : North America area model Black version
@ : International model Black version
9 : General Model
59 : General Model Black Version

harman/kardon

240 Crossways Park West, Woodbury, N. Y. 11797
H12-HD7525-A P9307 1200 Primed in USA

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CLASS 1 LASER PRODUCT
Product oompies with DHHS rules CFR subchapter J part

1040:10 at date of manutadure.

DANGER - invisible laser radiation when open and interlock failed
or defeated. Avoid direct exposure to the beam.

CAU110N - use of all controls, adjustments or performance of
procedures other than those specified herein may result in
hazardous radiation exposure

CLASS 1

LASER PRODUCT

Be careful of the Laser Pickup.
Although you cannot see it from the outside, a laser

pickup is located under the disc tray and a precision
lens is built in it.

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

ADVARSEL:
Usynlig laserstraling ved abning nar sikkerhedsafbrydere er

ude at tunktion. Undga udsaettelse for straling,

VAROITUS!
Latte sisaltaa laserdiodin, joka lahettaa nakymatonta stlmtlle
vaarallista lasersateilya.
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CONTENTS
SPECIFICATIONS .............................. 1 CIRCUIT DESCRIPTION ........................ 19
SAFETY PRECAUTIONS ......................... 2 GENERAL UNIT (EXPLODED VIEW) .............. 23
AC LEAKAGE TEST ............................ 2 CD MECHANISM (EXPLODED VIEW) ............. 25
ELECTROSTATICALLY SENSITIVE DEVICES ....... 3 GENERAL PARTS LIST ......................... 26
CONTROLS AND FUNCTIONS ................... 4 CD MECHANISM PARTS LIST ................... 27
REMOTE CONTROL ............................ 5 ELECTRICAL PARTS LIST ...................... 28
DISASSEMBLY PROCEDURES ................... 6 IC DIAGRAMS ................................. 32
POWER CORD REPLACEMENT .................. 7 P. C BOARDS ................................ 36
ADJUSTMENT PROCEDURE ..................... 8 WIRING DIAGRAM ............................. 38
TROUBLESHOOTING .......................... 10 SCHEMATIC DIAGRAM ......................... 39
IC FUNCTIONS ............................... 14
SPECIFICATIONS
Nominal Limit
System : Compact Disc Digital Audio

D/A Converter

: Dual 18 Bit Linear D/A Converters, 4Fs Digital Filter, RLS

(Real-time Linear Smoothing)

Signal Detection

Error Correction

Low Level Linearity .

Frequency Response : OdB
(20Hz to 20kHz)

CIRC System

Total Harmonic Distortion (THD) 0.004%
Dynamic Range 96dB
Signal to Noise Ratio 104dB
Channel Separation 98dB
Line Output Level/Impedance 2.0V
Digital Output Level/Impedance 0.5Vp-p

Power Supply
USA and Canada models
International, Australia and
Asia/Oceania models

Power Consumption

Dimensions

ACI20V, 60HZ

20 Watts

173/5" X 4" x 13"

: S-Beam Semiconductor Optical Laser Pickup

+/-1.0dB @-90dB

0.5dB
+

290dB

aroma

290dB

eov 0.5V @ 10k

0.5thp 0.1Vp-p @7522
+

A0230/240V, 50/60HZ

443mm x 103mm x 326mm

Weight 1 1 .5lbs/5.2kg

Specifications and components subject to change without notice. Overall performance will be maintained or improved.

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