Sony xr 3490 service manual

Page 1

XR-3490/3491/3492/XRS-Bllll_lll2

TsERVIcEMANUAL

Photo : XR-3490

AEP Model

X R-3490/3491

UK Model

XR-3491

E Model

XR-3490/XRS-600MK2

German Model
XR-3492

Model Name Using Similar Mechanism XR-3500/3501/3502

Tape Transport Mechanism Type

MG-3GSZG-32

The XR-3490/3491/3492, XRS-600MK2 has been chan-
ged in design of the front panel from the XR-3500/
3501/3502.

The main sections of these models are the same as those
of the following models.

Model with the

same main section
XR-3490 XR-3500
XR-3491 XR-3501
XR-3492 XR-3502
XRS-GOOMKZ XR-3500

The differences are only described herein.
For other information, refer to the appropriate service
manual for the XR-3500/3501/3502.

SPECIFICATIONS
Cassette player section
Tape track rack Z-channel stereo
Wow and flutter 0.13 % (WRMS)
Frequency response 30 - 16,000 Hz
Signal-tie noise ratio 55 dB

Tuner section

FM

Tuning range 87.5 - 108.0 MHz

Antenna terminal External antenna connector
Intermediate frequency l0.7 MHz

Usable sensitivity 12 dBf

Selectivity 75 dB at 400 kHz
Signal-to-noise ratio 60 dB (stereo),

65 d B (mono)
Harmonic distortion at 1 kHz

06% (stereo),

0.4% (mono)
Separation 30 dB at 1 kHz
Frequency response 30 - 15,000 Hz
Capture ratio 4 dB

AM (for the XR-3490/3492, XRS-GOOMKZ)

Tuning range 531 -1.602 kHz
Antenna terminal External antenna connector
intermediate frequency 450 kHz
Sensitivity 30 pV
MW/LW (for the XR-3491)
Tuning range MW:53l - L602 kHz
LW 2 153 - 281 kHz
Antenna terminal External antenna connector
Intermediate frequency 450 kHz
Sensitivity MW:30 pV
LW :50 "V
Power amplifier section
Outputs Speaker outputs
(sure seal connectors)

Speaker impedance 4 ~ 8 ohms
Maximum power output l5 W x 4 (at 4 ohms)

-continued on next page-

FM/AM CASSETTE BAR STEREfl

Xli-3490/3492/XRS-fiflllMK2

FM/MW/LW CASSETTE CAR STEREll

XR-3491

SONY;

Page 2

General

Output lead Power antenna relay
control lead

Tone controls Bass :5 dB at 100 Hz
Treble :8 dB at 10 kHz

Power requirements 12 V DC car battery
(negative ground)

Dimensions Approx. 186 x 57 x 170 mm
(w/h/d) not incl.
projecting parts and
controls

Mounting dimension Approx. 182 x 53 x 154 mm
(w/ h/ d) not incl.
projecting parts and
controls

Mass Approx. 1.3 kg

Supplied accessories Parts for installation and
connections (1 set)
Front panel case ('I)

Design and specifications are subject to change without

notice

X RS-GOO M K2 :

Speaker Coaxial 2-way:

Woofer 16 cm, cone
WPe
Tweeter 5 cm, cone
type

Maximum input power 120 watts

Rated power 30 watts

Impedance 4 ohms

Sensitivity 91 dB/W/m

Frequency response 35 - 25,000 Hz

Mass Approx. 835 g per
speaker

Accessories supplied Mounting hardware
(I set)

Speaker cords (2)

Design and specifications subject to change
without notice.

Dimensions Unit mm
Dimensions Enidad: mm
Dimemltfl Unrdide' mm
Al vi w;- m
i- - 5 § 5
: t t
25.5
- Mounting depth
Pmfimdidad a: mic
Pym-mm. a. monugrm

ilflll

SECTION 1
GENERAL

This section is extracted from
XR-3490/3491's instruction manual.

Button Locations

Refer to the pages in O (or deuils.

[3] Display window
m so. (control mode mm) button 00

m osn (display mode ehangeltime m!
human 6

m c (cl-ct) button 9

[E SiEK/MANU bunon 60

m «I» (last wlndlng)lDIR(npn
transport dlrocrion clung.) bunom
90

m mus: («om panel nlnn) button
00

#1) (volumalhanltnbhl
balamlhder control) button 96

B] owing radlo reception:
Preset number buttons 0

During tape playbuk:
[I] an (Automatic Tun"
Activation) button 6
E Louo (loudness) button 6
IE] sms (sonsltivity adjust) button e

E2 YUNENAMEM (radio on - band meal
automatic memory) button 00

E3 OFF button 0