Sony xm 2020 service manual

Page 1

SERVICE MANUAL US Model
Canadian Model
AEP Model

E Model

SPECIFICATIONS

Power supply system
BTL (Balanced Transformer Less)

circuitry
input Car stereo input (phone jack)
Outputs Speaker outputs
Speaker impedance

2-8 ohms

Maximum power output

35 watts per channel minimum RMS at

4 ohms
Rated output 20 watts per channel (EU-20,000 Hz.
0.5% THD, 4 Ohms)

Frequency response

a Hz-100 kHz 3 dB (4 ohms. l W)
Harmonic distortion

0.005% (at 400 Hz, 4 ohms, 10 W)
Input level adjustment range

0,1-2 V
Power requirements

12 V DC car battery (negative ground)
Current dram 6 A (at maximum output)
Dimensions Approx. 130 x 32 x 80 mm (w/h/d)

(5% x 15/): x 3V1 inches)

Weight Approx. 450 g (16 02,)
Accessories supplied

Mounting hardware (1 set)

Velcro tape (1 set)

Power and speaker connecting cord (1)

Design and specifications subject to change without
notice

STEREO PUWER AMPLIFIER
SONY;

Page 2

XM-2020

OSERVICE NOTE
Note on Repairing

Grounding terminals for the preamplifier section and for the
power amplifier section are not connected. Be sure to con-
nect them before operation.

Note on Measuring Voltage

In measuring voltage, connect the grounding terminals for
the preamplifier section and the power amplifier section.

SECTION 1
GENERAL

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Contrng

The input level can be varied with this control.
Use it to adjust the input sound level when
using source equipment of other manufacturers,
Be sure to set the control to SONY STD it the
unit is connected to a SONY car stereo. Turn it
to 0.1 V when the input level of the cassette car
stereo or CD player seems low.

SONY STD

Car stereo
Auto»StereogeraI

Remote control lead
Fernsteuerleitung Right channel

Rechter kanal

Line output
Line-Ausgang

Blue/White striped
Biau»WeiB gestreitt

Lit h eI
fij Likirillar

3'3 White/Black

kw striped
Wei BISchwarz Q a

gestreilt

XM-2020

To a metal point at the car

. Len speaker

an Metallteil des Wagens Yellow

6er Linker
To the +12 V Wh' -o 53m Lautsprecher
power terminal rte o 0
which is energized _ Well;
at all time Fuse (8 A) Gray/Slack

tnpe

An +12 V AnscthB Sicherung (B A) s
des Bordnetzes. Grau/Schwarz Q a
der stats unter gestrelfl m; Right speaker

Strorn steht.
Rechter

Lautsprecher

Gray 0 0

Grau

Be sure to connect the blue/white striped lead with the remote control lead at the car stereo.

Daraul achten, dais die blau/weit! gestreifte Leitung mit der Fernsteuerleitung der Auto-Stereoanlage
verbunden ist.

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