Fisher DTA 100 Service Manual

Page 1

7'7? FISHER

FILE NO.

Service Manual Desktop Audio System
DTA-I 00 (DE)

coco =ooo

PRODUCT CODE No.

164 065 06
CONTENTS

Specifications .........................
Laser beam safety precaution
Tuner adjustment .............................
Exploded view (cabinet and chassis) ..
Parts list ....................................
IC block diagram and description.
[0 & Transistor voltage
Schematic diagram .....
Wiring diagram (CD MAIN A SIDE) ..
Wiring diagram (CD MAIN B SIDE) ................
Wiring diagram (DISPLAY & HEADPHONE) .
Wiring connection ............................................................ rear

Amm-bWN-fi

REFERENCE No. SM5810251

Page 2

SPECIFICATIONS
(CD PLAYER SECTION)

Channels. .2 channels stereo
S/N ratio ,, .60 dB
Wow & Flutter ........................ Below measurable limits

Sampling frequency .44.1 kHz
Quantization 6 bits linear/Ch
Pickup light source ,. .Semi-conductor laser

Pickup wave length ............... 790 nm

Laser output .......................... Continuous wave max. 0.6 mW

(RADIO SECTION)
Tuning range ......................... FM : 87.5 - 108 MHZ

AM 2522 - 1.611 kHZ(9 kHz step)
(GENERAL SECTION)
Power output ......................... AC : 1.5 W/ch (10% T.H.D)
Speaker ................................. 8 cm x 2, 40hm

Terminal impedance .
Power source ..
Dimensions .....

PHONES : 32 ohms
DC :9 V (AC adaptor)
...430 (W) x 150 (H) x 50 (D) mm

Weight (approx.) .................... 1.5 kg (Without including batteries)

This is a basic specifications.
Specifications subject to change without notice.

LASER BEAM SAFETY PRECAUTION

~ Pickup that emits a laser beam is used on this CD section.

CAUTION :

USE OF CONTROLS OR ADJUSTMENTS OR
PERFORMANCE OF PROCEDURES OTHER
THAN THOSE SPECIFIED HEREIN MAY RESULT
IN HAZARDOUS RADIATION EXPOSURE.

LASER OUTPUT ................ 0.6 mW Max. (CW)
WAVE LENGTH ................. 790 nm

CLASS 1 LASER PRODUCT
LUUKAN I LASERLAITE

KLASS 1 LASERAPF'ARAT

CAUTION r INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCKS DEFEATED, AVOID EXPOSURE TO BEAM.

ADVARSELr USYNLIG LASER STRALING VED ABNING. me
SIKKERHEDSAFBRYDEHE EFI UDE AF FUNKTION, UNDGA UDS ETTELSE
FOR STRALING.

VAFINING r OSYNLIG LASER STRALNING NAR DENNA DEL AR OPPNAD
OCH SPARFI AR URKOPPLAD. STRALEN AFI FARLIG

VORSICHT j UNSICHTBAFIE LASERSTRAHLUNG TFIITT AUS, WENN
DECKEL GEOFFNET UND WENN SICHERHEITSVERRIEGELUNG
UBEFIBFIUCKT IST, NICHT, DEM STRAHL AUSSETZEN.

VAFIO r AVA'I'IAESSA JA SUOJALUKITUS OHITE'I'IAESSA OLET ALTTIINA
NAKYMA'I'IOMALLE LASERSATEILYLLE. ALA KATSO SATEESEEN