Elenberg MX-341 Service manual

CarAudio

Elenberg MX-341

MX-341

TABLEOFCONTENTS

Page

TechnicalSpecifications....................................................1-2

Measurementsetup....................................................1-3

ServiceAids,SafetyInstruction,etc....................1-4to1-5

Preparations&Controls....................................1-6to1-10

Maintenance&Troubleshooting.................................1-11

DisassemblyInstructions&Servicepositions..................2

SetBlockdiagram.........................................................3

SetWiringdiagram........................................................4

KeyBoard.....................................................................5

ServoBoard..................................................................6

MainBoard...................................................................7

SetMechanicalExplodedview&partslist........................8

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SPECIFICATIONS

1-2

General

Powersupply:

Maximumpoweroutput:
Suitablespeakerimpedance:
Suitablespeakerpower:
Pre-Ampoutputvoltage:
Fuse:
Dimensions(WxHxD):
Weight:

FMStereoRadio

Frequencyrange:Sensitivity:

Sensitivity:
Frequencyresponse:
Stereoseparation:
Imageresponseratio:
IFresponseratio:
Signal/noiseratio

12VDC(11V-16V)
Testvoltage14.4V,negativeground
45Wx4channels
4-8ohm
80-100Wx4channels

2.0V
15A
178x50x155mm

1.64kg

87.5-108.0Mz(Europemode)

65.0-74.0MHz(OIRTmode)
10dB

μ

30Hz-15KHz
30dB(1KHz)
50dB
70dB
55dB

H

Components

Mountingcollar
Machine

Mountingbolt(50mm)
Wireconnector
Caseforremovablecontrolpanel
Trimplate
T-key
Usermanual
Rubbercushion
Remotecontrol

screwsM5x6mm

M4x6mm

1
4
4
1
1
1
1
2
1
1
1

DiscPlayer

System:
Frequencyresponse:
Signal/noiseratio:
Totalharmonicdistortion:
Channelseparation:
ESP:

Note:Specificationsanddesignaresubjecttochange

withoutnoticeforproductimprovements.

Discdigitalaudiosystem
20Hz-20KHz
>80dB
Lessthan0.20%(1KHz)
>60dB
CD10s,MP340s≥≤

MEASUREMENTSETUP

TunerFM

1-3

Bandpass

250Hz-15kHz

e.g.712270748001

LFVoltmeter

e.g.PM2534

S/Nanddistortionmeter

e.g.SoundTechnologyST1700B

RFGenerator

e.g.PM5326

DUT

Useabandpassfiltertoeliminatehum(50Hz,100Hz)anddisturbancefromthepilottone(19kHz,38kHz).

TunerAM(MW,LW)

RFGenerator

e.g.PM5326

DUT

Frameaerial

e.g.712270789001

Bandpass

250Hz-15kHz

e.g.712270748001

LFVoltmeter

e.g.PM2534

S/Nanddistortionmeter

e.g.SoundTechnologyST1700B

ToavoidatmosphericinterferenceallAM-measurementshavetobecarriedoutinaFaradayscage.
Useabandpassfilter(oratleastahighpassfilterwith250Hz)toeliminatehum(50Hz,100Hz).

CD

UseAudioSignalDiscSBC429482239730184
(replacestestdisc3)

DUT

L

R

S/Nanddistortionmeter

e.g.SoundTechnologyST1700B

LEVELMETER

e.g.SennheiserUPM550

withFF-filter

'

HANDLINGCHIPCOMPONENTS

GENERAL DISMOUNTING MOUNTING

e.g.WELLER
SoldertipPT-H7

SOLDERWICK
482232140042

CHIP

SOLDER

COMPONENT

GLUE

SOLDER

COPPERTRACK
P.C.B

SOLDERWICK

1-4

VACUUMPISTON

SOLDERING
IRON

SOLDERING
IRON

e.g.APAIROFTWEEZERS

HEATINGHEATING

SOLDERING
IRON

482239510082

CLEANING

A

B

C

e.g.APAIROFTWEEZERS

SLODER

Φ0.5-0.8mm

SLODERING

IRON

SLODERINGTIME
<3secretary/side

PRESSURE

Φ0.5-0.8mm

PRESSURE

EXAMPLES

SOLDER

SLODERING

IRON

A

B

SERVICEPACKAGE

SOLDERING
IRON

SOLDERING
IRON

PRECAUTIONS

CORRECT

COPPERTRACK

CHIPCOMPONENT

CORRECT

SOLDERING
IRON

NO！

GB

WARNING

AllICsandmanyothersemi-conductorsare
susceptibletoelectrostaticdischarges(ESD).
Carelesshandlingduringrepaircanreducelife
drastically.

Whenrepairing,makesurethatyouare
connectedwiththesamepotentialasthemass
ofthesetviaawristwrapwithresistance.
Keepcomponentsandtoolsalsoatthis
potential.

F

ATTENTION

TouslesICetbeaucoupd'autres
semi-conducteurssontsensiblesaux
dechargesstatiques(ESD).
Leurlongevitepourraitetreconsiderablement
ecourteeparlefaitqu'aucuneprecautionn'est
prisealeurmanipulation.
Lorsdereparations,s'assurerdebienetrerelie
aumemepotentielquelamassedel'appareilet
enfilerlebraceletsertid'uneresistancede
securite.
Veilleracequelescomposantsainsiqueles
outilsquel'onutilisesoientegalementace
potentiel.

1-5

ESD

D

WARNING

AlleICsundvieleandereHalbleitersind
empfindichgegenuberelektrostatischen
Entladungen(ESD).
UnsorgfaltigeBehandlungimReparaturfallkan
dieLebensdauerdrastischreduzieren.
VeranlassenSie,dassSieimReparaturfalluber

einPulsarmbandmitWiderstandverbunden
sindmitdemgleichenPotentialwiedieMasse
desGerates.
BauteileundHilfsmittelauchaufdiesesgleiche
Potentialhalten.

NL

WAARSCHUWING

AlleIC'senveleanderehalfgeleiderszijn
gevoeligvoorelectrostatischeontladingen
(ESD).
Onzorgvuldigbehandelentijdensreparatiekan
delevensduurdrastischdoenverminderen.
Zorgervoordatutijdensreparatieviaeen
polsbandmetweerstandverbondenbentmet
hetzelfdepotentiaalalsdemassavanhet
apparaat.
Houdcomponentenenhulpmiddelenookop
ditzelfdepotentiaal.

AVVERTIMENTO

I

TuttiICeparecchisemi-conduttorisono
sensibiliallescarichestatiche(ESD).
Lalorolongevitapotrebbeesserefortemente
ridattaincasodinonosservazionedellapiu
grandecauzioneallaloromanipolazione.
Duranteleriparazionioccorrequindiessere
collegatoallostessopotenzialechequellodella
massadell'apparecchiotramiteunbraccialetto
aresistenza.
Assicurarsicheicomponentieanchegliutensili
conqualisilavorasianoancheaquesto
potenziale.

ATTENTIONGB

Safetyregulationsrequirethatthesetberestoredtoitsoriginal
conditionandthatpartswhichareidenticalwiththosespecified,
beused.

NL

Veiligheidsbepalingenvereisen,dathetapparaatbijreparatiein
zijnoorspronkelijketoestandwordtteruggebrachtendatonderdelen,
identiekaandegespecificeerde,wordentoegepast.

F

LesnormesdesecuriteexigentqueI'appareilsoitremisaI'etat
d'origineetquesoientutiliseeslespiecesderechangeidentiques
acellesspecifiees.

D

BeijederReparatursinddiegeltendenSicherheitsvorschriftenzu
beachten.DerOriginalzustanddesGeratsdarfnichtverandertwerden;
furReparaturensindOriginal-Ersatzteilezuverwenden.

I

LenormedisicurezzaesigonocheI'apparecchiovengarimesso
nellecondizionioriginaliechesianoutilizzatiipezzidiricambio
identiciaquellispecificati.

Pourvotresecurite,cesdocuments
doiventetreutilisespardesspecia­listesagrees,seulshabilitesareparer
votreappareilenpanne.

CLASS1

LASERPRODUCT

GB

Warning!

Invisiblelaserradiationwhenopen.
Avoiddirectexposuretobeam.

S

Varning!

Osynliglaserstralningnarapparatenaroppnadochsparren
arurkopplad.Betraktaejstralen.

SF

Varoitus!

Avatussalaitteessajasuojalukituksenohitettaessaoletalttiina
nakymattomallelaserisateilylle.Alakatsosateeseen!

312211003420

Afterservicingandbeforereturningsettocustomerperforma
leakagecurrentmeasurementtestfromallexposedmetalpartsto
earthgroundtoassurenoshockhazardexist.Theleakagecurrent
mustnotexceed0.5mA.

DK

Advarse!

Usynliglaserstrlingvedabningnarsikkerhedsafbrydereer
udeaffunktion.Undgaudsaettelseforstraling.

a

PREPARATIONS

WiringDiagram

Antenna

1-6

Aux-in
Black

(optional)

Fuse15A

Connector

RearLine-out(Gray)

R(Red)
L(White)

R(Red)
L(White)

AUDIOOUT

Amplifier

Purple

RightSpeaker

()Rear

Purple/
Black
Stripe

Gray

RightSpeaker

(Front)

Gray/
Black
Stripe

ISOConnector

Yellow

Black

Blue Motor/ElectricAntennarelaycontrolLead

Red

White/

Black

Stripe

White

LeftSpeaker

(Front)

Green/

Black
Stripe

Green

LeftSpeaker

(Rear)

Tocarbattery(+)
Continuous+12VDC

GroundLead

AmplifierrelaycontrolLead
Ignitionkey

+12VDCWhenON/ACC

FrontLine-out(Brown)

(optional)

R(Red)
L(White)

ForsomeVW/AudiorOpel(Vauxhall)
carmodels,youmayneedtomodify
wiringofthesuppliedpowercordas
illustrated,orelsethememoryofthe
unitmaybelostafteryoupoweroff.
Contactyourauthorizedcardealer
beforeinstallingthisunit.

Originalwiring

Yellow Yellow
Red

Red

Modifiedwiring

YellowYellow
Red

Red

ConnectorConnector

RearRight(+)---Purple

RearRight(-)---Purple/BlackStripe

FrontRight(+)---Gray

ACC+/red

AutoAntenna/blue

FrontRight(-)---Gray/BlackStripe

FrontLeft(+)---White

FrontLeft((-)---White/BlackStripe

Battery12V(+)/yellow

Ground/black

RearLeft(+)---Green

RearLeft(-)---Green/BlackStripe

1-7

CONTROLS

PowerOn:Pressanybuttononthepanelexcepttoturnontheunit.

Radio

Discplay

(whendiscinserted)

Auxin(optional)

CDchanger(optional)

Mute

Displayswitch

RadioSCAN

Rotatetheto

control

adjustvolumelevel

Pushonceormore
VOLUME/BASS/
BALANCE/FADER,
controltoadjustlevel

Pushformorethan2seconds

toMenuFunction(page14)
MP3track/file/character

search

toselect

TREBLE/

Rotatethe

ESPCD10s,MP340s

PowerON/OFF

SRC

MUTE

DISP

PresstoapresetstationHoldfor

listento

morethan2secondstostorestation.

Remotesensor

Radiopreset

PanelOpen

DN

VOL

UP

AMSSCAN

DNUPINTRPTRDMTOPPUSHSEL/MENU

5 62 3 41

LO/DX

MON

BAND

LOUD

Radiotune

Tofastsearchwithin
atrack/skiptonext
orprevioustrack

FM1

FM2

BANDSWITCH

FM3

OIRT

FM1

Pressthetoopenthepanelandpresstoejectthedisc.

DiscEject

Discslot:insertadiscforplaybackhere.

Panelstatusindicator:

Lightsupwhenyouslidethepaneldown;

RESETHOLE

Note:

PressingtheRESETholewillerase

Flasheswhenyouremovethepanel.

theclocksettingandstoredstations.

1-8

REMOTECONTROLS

PowerOn:Pressanybuttonontheremotecontroltoturnontheunit.

RadioTune

Poweron/off

Mute

Presstoselect VOLUME/BASS/
TREBLE/BALANCE/FADER,
useVolumebuttontoadjustlevel

Pressformorethan2seconds
toMenuFunction(Page14).

MP3track/file/character

search

ESPCD10S,MP340S≥≥

PressbrieflyforPlay/Pausefunction
Pressformorethan2seconds ifyou

wanttostartplaybackfromthebeginning

ofthefirsttrackofyourdisc.

Introplay(10sec)
TrackRepeatPlay
TrackRandomPlay
MP3track-10down

MP3track+10up

Loudnesseffect

DiscPlayback

RadioPreset

1 6

Pressto

listento
apresetstation,
Holdformore
than2second
tostorestation.

VOLUME/BASS/

TREBLE/BALANCE/

FADER/MP3searchadj

MUTE

SEL

MENU

LOUD

/

TOP

VOL

MON

21

Tofastsearchwithin
atrack/skiptonext
orprevioustrack

SEARCH

BAND

LO/DX

3

65

SRC

AMS

RDMRPTINT

DISP

4

AMS

SEARCH

Bandswitch

Displayswitch

Radiolocal/distant

FMstereo/mono

Radio

Discplay

(whendiscinserted)

Auxin(optional)

CDchanger(optional)

RadioPresetscan

RadioAutoPreset

MP3track/file/character

search

FM1

FM2

FM3

OIRT

MW1

MW2

Replacingthelithiumbatteryofremotecontrolunit.

*Whentheoperationrangeofthecardremote

controlbecomesshortornoProperly,replace
thelithiumbatterywithanewone.Makesure
thebatterypolarityreplacementiscorrect.

1.Pulloutthebatteryholderwhilepressingthestopper.

2.Insertthebutton-typelithiumbatterywiththe
markfacingupward.

Insertthebatteryholderintothe

remotecontrol.

(CR2025)

(+)

WARNINGS:

Storethebatteryinplacewherechildrencannotreach.
Ifachildaccidentallyswallowsthebattery,
consultadoctorimmediately.
Donotrecharge,short,disassembleorheatthebattery
ordisposeitinafire.
Doinganyofthesethingsmaycausethebatterytogive
offheat,crackorstartafire.
Donotleavethebatterywithothermetallicmaterials.
Doingthismaycausethebatterytogiveoffheat,crack
orstartafire.
Whenthrowingawayorsavingthebattery,wrapitintape
andinsulate;otherwise,thebatterymaystarttogiveoff

heat,crackorstartafire.
Donotpokethebatterywithtweezersorsimilartools.
Doingthismaycausethebatterytogiveoffheat,crack
orstartafire.