Sony xm 3020 service manual

Page 1

L

XM-3020/30208

SERVICE MAN-UAL

Photo: XM-3020

US Model
Canadian Model

X M3020

AEP Model
UK Model

[5 Model

X M30203

SPECIFICATIONS

AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC DlSTOFlTION 30 watts
per channel minimum continuous average power into 4 ohms, both
channels driven from 20-20000 Hz with no more than 004 % total
harmonic distortion per Car Stereo Ad Hoc Committee standards.

Other specifications

Power supply system
Pulse power supply circuit

Input Car stereo input (phone jack)
High level input cord (XM-30208)
Outputs Speaker output leads
Speaker impedance
2-8 ohms
4 -8 ohms

Maximum power output
60 watts per channel minimum
RMS at 4 ohms
160 watts" (monaural) at 4
ohms
Rated outputs 30 watts per channel
(20 Hz-20 kHz. 0.04 %
THD) at 4 ohms
70 watts"
(20 Hz-20 kHz, 05 % THD)
at 4 ohms
Frequency response
8 Hz-100 kHz fgdB
Harmonic distortion
0.005 %
" When used as a bridging amplilier

Input level adjustment range
01 -2 V

1-15V (speaker inputHXM-3OZOS)

Power requirements
12 V DC car battery (negative
ground)

Current drain 8 A (at rated output)

Input remote current

5 mA
Dimensions Approx, 227 x36 x 120 mm
(wlhld)
(9 x 17/16 x 43/4 inches)
Weight Approx. 1.3 kg (2 lb 14 oz)

Supplied accessories
Mounting screws (4)
Power connecting cord (1 set)

Design and specifications subject to change
without notice,

STEREll PllWER AMPLIFIER
SONY;

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XM-3020/3OZOS

Precautions

- This unit is designed tor negative ground
l2 v DC operation only,

- The nameplate indicating opeiallng voltage
ate is located on the bottom exterior

- Use speakers with an unpedanoa at 2 lo 8
ohms. (<45 ohms when used as a oridglng
amplilian

. Auoid installing the unit where:

- tt would he suoieot to high lempslalulets,
such as trom direct sunlight or hot air
irom the heater

~ it would ce exposed to rain or mature,

- it would ca tuoieet to dust or din.

~ it your car is period in direct sunlight and
there is a considerable rise iri lempamlule
lndtde the car, allow the unit to coot all
before operaing,

- When insiellng the unit horizontally be sure
not to cover the line whh the noor carpet and
an an. L

- it this unit is plaoed too close to the car
nadio. an lineneieme may odour. ln mls
case, separate the amplifier item the car
redid.

- ti no power is peing supplied to the cassette
player or lunar, check the connections

- Yltls power amplifier amplm a protection
circuil to protect the transistors and
speakers ii the emoliirer mellurrctions. Dn not
attempt to lest the protection circuits by
covering the heat slnk or connecting
improper leads.

~Donotuseineuniloneweakooneryesrts
optimum performance depends on the good

WV supply.

- For the satay reasons, Keep the volume oi
your car ando moderate so that you can sull
hear the untold outside your car

it you have any questions or problems
concerning your unll that are not cwemd in
this manual, please consult your nearest Sony
dealer,

Fuse Replacement l

it the tuse ohms check the pvwer connection
and replace the tuse lithe luse blaws again
alter replacement, there may be an lmemal
mallunotlon, in this case, consult your nearest
Sony dealer

waning

Use the specified ampere iuse

Use oi a higher amperage tuse may cause
senous damage.

Rmtotn the protective plmtc shoot and pull
out in. tun.

~ Pmuclkm circuit
This amptiiier is pimided With a protection
circuit which operates in the ioiloyinp cases
when:
- the unit is memaalsd
- a DC current is generated
- the speaker terminals are shun dicuited.
The color at the PCWllERIPROI'ECTDR
indicator changes trorn green In red and the
urn will shut dorm, it this happens. turn oil
the connected equipment and take out the
cassette tape or disc and determine the
cause ot the mciiur-onon ii the amplifier has
overheated, wait until the unrt cools oil,

POWER/PROTECTOR iudtcmar

Installation

Précautions

- Gel appareii est concu pour bmfilonw
uniouemeni sur oourant Colman de 12 v
avec maese negative,

r La plaque indlguant la lenoion do
lonctiorineinent, etc as liouue a l'exleneur.
sur le tcnd.

- Utiliser oes haulrpalleuis a impedance de 2
E 3 china (4 i! 8 ohms his d5 l'untlsaunn
oomrne amptiiicataur de détivation)

- tie pas etposer l'aopareii:

- a des tamper-hires elevates, comma les
myorrs dues-ta du aoleit, l'ail du chautiege.

- e l'humidite ou a la pluis,

- e la poueaiare on a l- seleta.

- st in warm eat goree on pain soteil, at an y
a lone augrriematicn de II Impémura a
l'imerleur. leiscer retroidir l'eppereii mm de
l'uullser,

- Lora d'une installation nonmnmle, yeriter a
ne pas couwlr les aiiencs dos dissipdoeurs
ihornitoues par le teats du plcnoher. eto..

- Des lmenerenoes risquent de se oroduire st
l'awerell eet installé iron ore: de t'auioradlo.
senator autant oue ooeslole l'emplihoeleur
da l'autoradlo.

r st le teoteur do oaeeette on to tuner ire sent
pee alimentee. vettiler tout d'eoord lea
mnriexlons.

r Cat amplificateur do oulseanoe eel dole dun
arouit- destine a protegar lee uensistors et
les naulpaiteure an as de detain-nee. Ne
pas essayer de teeter retire-cite de es circuit
de protection en ismuvram lea dissipetauie
merioiguee on an eliectuant des wnmions
imdaouatae

- N'tmlisai per l'aupnml sur une battens
icicle car ea periorrrianca maximale depend
d'une conne alimamlion an élaclricilé,

- m oes mieone de securite. la volume
d'écoinle de la l'aulurndin doll resié indoors
ctin d'entondre lee oruils mérioiiu,

Hour mule oucsion ou probleme out ne seralt
pas none dens ce manual. oonsulter la
oonoeeslonnalra Sony le plus proone

Remplaoeinenl du fusible

SI is lusible saute, verttier lee Connexions
d'alinienidtlon at tempiecer le iueiole. S'il saute
oe maveau epics son remplacernent. uri
motivate loncllonnement lmarne peui alra mie
on cause. Dans ce ode consulter le
witness-entrails Sony la plus proche

MMMM

Uiiiieet tin luelble de l'ampérage specnlé.
L'ullllsalmn dun iuslhle d'ampévage Snoérlsul
pain caueer un endommagentem selleux.

int-nor II promotion d- planners et retrrer
le ittslhte.

. urcuit de protection
cat emptincataur est equipe d'un circuit de
pmdion oui entre an service dans les ass
Slut/EMS:
- Sureheuile de t'appereil
- Production d'urr oourarrt oominu
- Claim-amuii aux bornes des hautparleuis
Le oouiaur du temoin mmnmecron
passe du vert eu rouge er l'eppareil s'arrste.
nuns ea ces. cooper l'elimemahon de
l'eppcrotl reoccrde at Mlir la cassette ou la
disoue compact event d'exainirier is cause
de la detailldnce sa l'emolinoetaur set
surcncutte. ottcndre oue t'eepureil retroidisse.

wmoln POWER/PRMECTOR

Installation

Betora insulation | | Mam linstallaticn |
O Mount Ins unll elmei inside lite (milk room ~ Do nol "mall the unit undsv the floor carpet, I Mama! l'appamtl sail darts ls some sun sous 0 Ne pas l'inslaller sous le lapls du Blanche!
0v under I seal. whole the heat di§lpaliofl (tom me will will un siége. at) la dissipalion lhetmique rte peurrall pas

~ Choose the mourning iocatlon caretuiiy so
that the unit will not inlarlere with the.normal
driving iunotiona ot the driver and it will not
be exposed to direct sunlight or hot air lrorn
I"! Mr.

oe oonetderaoty impaired.

- aien chotsir I'eniplacemsm pour ouo
l'appalell ne gene pas les rnouvements du
ooriducteur et ou'il he soil pas mposé nu
sctetl ou a lair du cheuiicge

Firstly, mount the unit with the supplied screws
to a suitable board whom thickness should be
more than the length ot a supotiad screw.
Thenmomtltseouretyiotnaappropnsre
location.

Mentor loin d'aoord I'appliail sur une plenche
dout l'epdisseur ea superieure e la longueur
Us! Vii

Fixer ansuite to rout e l'endrott copropne,

se tatre corraclarnent