Prology MCE-500 Service manual

CarAudio

MCE-500

TABLEOFCONTENTS

Page

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

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

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

Preparations&Controls....................................1-6to1-11

Maintenance&Troubleshooting.................................1-12

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

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

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

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

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

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

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

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SPECIFICATIONS

General

Powersupply:

Maximumpoweroutput:
Continuouspoweroutput:
Suitablespeakerimpedance:
Pre-Ampoutputvoltage:
Fuse:
Dimensions(WxHxD)
Weight:
Aux-inlevel:
sub-out:

FMStereoRadio

Frequencyrange:Sensitivity:

Usablesensitivity:
Quietingsensitivity(S/N=50dB):
Frequencyresponse:
Stereoseparation:
Imageresponseratio:
IFresponseratio:
Signal/noiseratio

12VDC(11V-16V)
Testvoltage14.4V,negativeground
55Wx4channels
20Wx4channels(4,10%T.H.D.)
4-8ohm

4.0V

(CDplaymode:1KHz,0dB,10Kload)
15A
178x50x155mm

1.7kg

300

≥

4.0V

87.5-108.0MHz(EUROPEMODE)

87.5-107.9MHz(USAMODE)

65.0-74.0MHz(OIRTMODE)
8dBμ
12dBμ
30Hz-15KHz
30dB(1KHz)
50dB
70dB
55dB

Ω

1-2

Ω

DiscPlayer

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

Discdigitalaudiosystem
20Hz-20KHz

≥80dB

Lessthan0.20%(1KHz)
>60dB

Components

Mountingcollar
MachinescrewsM5x6mm4
Mountingbolt(50mm)
Wireconnector
Removablefaceplatecase
Trimplate
L-key
Operatinginstructions
Rubbercushion
RemoteControl(optional)

Note:Specificationsanddesignaresubjecttochange

withoutnoticeforproductimprovements.

1

1
1
1
1
2
1
1
1

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

1-6

Antenna

Subwoofer(Optional)

Aux-in

Green

R(Red)
L(White)

ISOconnector

Fuse15A

Connector

Rear(Gray)Line-out

FrontBrownLine-out()

R(Red)

L(White)

R(Red)

L(White)

Tel-mute/pink

Battery12V(+)/yellow

AutoAntenna/blue

ACC+/red

Ground/black

CONTROLS

1-7

PowerOn:Pressanybuttononthepanelexceptandtoturnontheunit.

EJ

Band Switch

MP3 track+10 up

MP3 track-10 down

Track Random play

Track Repeat play

Intro play(10sec)

more than 2 sec.)

Top play ( press

Play / Pause

Display switch

1-8

REMOTECONTROLS

PowerOn:Pressanybuttonontheremotecontroltoturnontheunit.

Poweron/off

Mute

PushtoselectVOL/BAS/

TRE/BAL/FAD,useVolume

buttontoadjustlevel

Pushmorethan2seconds

toMenumode

MP3track/file/character

search

TrafficAnnouncements

Identification

Play/Pause

Topplay(press

morethan2sec.)

Introplay(10sec.)

TrackRepeatPlay

TrackRandomPlay

MP3track-10down

MP3track+10up

DiscPlayback

RadioPreset

①—⑥

Presstotunein
apresetstation

Holdformore
than2seconds
tostorestation.

Volume

MUTE

VOL

SEL

MENU

TAPTY

AF/REG

21

/

TOP

RadioTune

TrackSeek

Radio

Aux-in

DiscPlay

(whendiscisin)

SRC

AMS

SEARCH

BAND

4

3

RDMRPTINT

DISP

65

SEARCH

AMS

BandSwitch

ProgramType

Displayswitch

RadioPresetscan

RadioAutoPreset

MP3track/file/character

search

FM1

FM2

FM3

OIRT

AlternativeFrequencylist

REG(Region)mode

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.

CONTROLS

1-9

DiscLoad/Eject:

Load:

Insertthediscintotheslot.Presstoclosethepanel.

Eject:

Presstoejectthediscclosethepanel.

Presstoslidedownthepanel.

EJ

DONOTclosethepanelbeforediscistakenout.

Radio: RadioTunebystep:presslessthan0.5sec.

RadioSeekautomatically:pressmorethan0.5sec.

DiscPlayback:

Trackskip:presslessthan0.5secondtogotothenextorprevioustrack.
Trackseek:pressmorethan0.5secondandholdittofastforwardorreversebackthetrack.

AMS:AutoMemoryStore

Pressbrieflytoscanthepresetstationfor5secondseach.Holdmorethan2seconds,the6
strongestavailablestationwillbeautomaticallysavedinthememoryofpresetbutton.

SETCLOCK

PressDISPbutton,timedisplays.Pressagainmorethan2seconds,timedisplayblinks.
Rotatetheknobclockwisetosethours.Rotatetheknobanticlockwisetosetminutes.

DONOTapplyexcessive
forcetothepanel.
ItcancauseDAMAGE.

AMS

DISP

Pressthebuttonmorethan2secondstoentermenumode,theneachpresschangesthemodeasfollows:

TAmodeMASKmodeDSPmodeLOUDON/OFFmodeBEEPON/OFFESPmode

VOLmodeLOCAL/DXmodeST/MOmodeSEEK1/2mode

(onlyintunermode)(onlyintunermode) (onlyintunermode)

TAmode:RotatetheknobtochooseTAALARMorTASEEKmode,WhenTAisturnedonandnotrafficprogramidentificationcode

hasbeenreceivedduringthespecifiedtime,noTA/TPisdisplayedandaccordingtotheMENUSELECT,alarmissetoff,

orTASEEKisactivated.

TAALARMmode :NOTA/TPisdisplayedandalarmissetoff. TASEEKmode:TASEEKisactivated.

ALBUM

MUSIC

ARTIST

ALBUM

MUSIC

ARTIST

CONTROLS

1-10

MASKmode:

rotatetheknob

tochooseMASKDPI

orMASKALLmode.

ALBUM

MUSIC

ARTIST

MASKDPImode:

OnlytheAFwhichhasdifferentprogramidentificationismasked.

MASKALLmode:

TheAFwhichhasdifferentprogramidentificationandNORDS
signalwithhighfieldstrengthismasked.

ALBUM

MUSIC

ARTIST

DSPmode:RotatetheknobtochooseDSPsoundeffect:

BEEPON/OFFmode:Rotatetheknobtochoosebuttonbeepsoundonoroff.

PDSPOFFOPROCKCLASSICFLAT

ALBUM

MUSIC

SEEK1/2mode:

Rotatetheknobtochooseradioseekmode1or2.

ARTIST

SEEK1:searchingstationwillstopwhennextstationisreceived.
SEEK2:searchingstationwillstopwhenorbuttonisreleasedandnextstationisreceived.

LO/DXmode:Rotatetheknobtochoosetunersensitivitylocalordistant.

ST/MOmode:RotatetheknobtochooseFMstereoormono.

VOLLAST/ADJUSTMODE

PressknobtochooseVOLLAST:theturn-onvolume
levelisthevolumeleveloflatestpoweroff.
RotateknobtochooseVOLADJ,

thenrotatetheknobtosettheturn-onvolumelevel.

ALBUM

MUSIC

ARTIST

ALBUM

MUSIC

ARTIST