SITRONICS CMR500 User manual

CarAudio
Page
TABLEOFCONTENTS
TechnicalSpecifications....................................................1-2
Measurementsetup....................................................1-3
ServiceAids,SafetyInstruction,etc....................1-4to1-5
Preparations&Controls......................................1-6to1-9
Maintenance&Troubleshooting.................................1-10
DisassemblyInstructions&Servicepositions..................2
SetBlockdiagram.........................................................3
SetWiringdiagram........................................................4
KeyBoard.....................................................................5
ServoBoard..................................................................6
MainBoard...................................................................7
SetMechanicalExplodedview&partslist........................8
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CMR500

SPECIFICATIONS
1-2
Note:Specificationsandthedesignaresubjecttochange
withoutnoticeduetoimprovementsintechnology.
1
Components
Mountingcollar
MachinescrewsM5x6mm4
M4x6mm4
Mountingbolt(50mm)1
Wireconnector
Removablefaceplatecase
Trimplate1
T-key 2
Operatinginstructions 1
Rubbercushion
1
1
1
DiscPlayer
System:
Frequencyresponse:
Signal/noiseratio:
Totalharmonicdistortion:
Wowandflutter:
Channelseparation:
Discdigitalaudiosystem
20Hz-20kHz
>86dB
Lessthan0.20%(1kHz)
Belowmeasurablelimits
>60dB
AM(MW)Radio
Frequencyrange: 522-1620kHz(Europemode)
Usablesensitivity(S/N=20dB):30dB
FMStereoRadio
Frequencyrange:87.5-108.0MHz(Europemode)
Usablesensitivity:
Frequencyresponse:
Stereoseparation:
Imageresponseratio:
IFresponseratio:
Signal/noiseratio:
8dB
30Hz-15kHz
30dB(1kHz)
50dB
70dB
55dB
65.0-74.0MHz(OIRTmode)
General
Powersupply:
Maximumpoweroutput:
Continuouspoweroutput:
Suitablespeakerimpedance:
Pre-Ampoutputvoltage:
12VDC(11V-16V)
Testvoltage14.4V,negativeground
45Wx4channels
20Wx4channels(410%T.H.D.)Ω
4-8ohm
Fuse:
Dimensions(WxHxD):
Weight:
15A
178x50x166mm
1.7kg
4.0V(CDplaymode:1KHz,0dB,10Kload)Ω
ESP: (CD40s,MP3120s)≥≥
Remotecontrol(optional)1

MEASUREMENTSETUP
TunerFM
DUT
RFGenerator
Bandpass
LFVoltmeter
e.g.PM5326
250Hz-15kHz
e.g.712270748001 e.g.PM2534
S/Nanddistortionmeter
e.g.SoundTechnologyST1700B
Useabandpassfiltertoeliminatehum(50Hz,100Hz)anddisturbancefromthepilottone(19kHz,38kHz).
TunerAM(MW,LW)
DUT
RFGenerator
Bandpass
LFVoltmeter
e.g.PM5326
250Hz-15kHz
e.g.712270748001 e.g.PM2534
S/Nanddistortionmeter
e.g.SoundTechnologyST1700B
Frameaerial
e.g.712270789001
ToavoidatmosphericinterferenceallAM-measurementshavetobecarriedoutinaFaradayscage.
Useabandpassfilter(oratleastahighpassfilterwith250Hz)toeliminatehum(50Hz,100Hz).
'
DUT
L
R
LEVELMETER
e.g.SennheiserUPM550
withFF-filter
S/Nanddistortionmeter
e.g.SoundTechnologyST1700B
UseAudioSignalDiscSBC429482239730184
(replacestestdisc3)
CD
1-3

1-4
SOLDER
CHIP
COMPONENT
GLUE
SOLDER
COPPERTRACK
P.C.B
SERVICEPACKAGE
GENERAL DISMOUNTING MOUNTING
SOLDERING
IRON
VACUUMPISTON
482239510082
e.g.WELLER
SoldertipPT-H7
SOLDERING
IRON
SOLDERWICK
482232140042
e.g.APAIROFTWEEZERS
HEATINGHEATING
SOLDERING
IRON
SOLDERWICK
CLEANING
PRECAUTIONS
COPPERTRACK
IRON
CORRECT
SOLDERING
IRON
SOLDERING
CHIPCOMPONENT
EXAMPLES
CORRECT
IRON
SOLDERING
NO！
e.g.APAIROFTWEEZERS
SLODERING
IRON
SLODER
SLODERINGTIME
SLODERING
IRON
Φ0.5-0.8mm
<3secretary/side
PRESSURE
PRESSURE
SOLDER
Φ0.5-0.8mm
A
B
C
B
A
HANDLINGCHIPCOMPONENTS

WARNING
GB
AllICsandmanyothersemi-conductorsare
susceptibletoelectrostaticdischarges(ESD).
Carelesshandlingduringrepaircanreducelife
drastically.
Whenrepairing,makesurethatyouare
connectedwiththesamepotentialasthemass
ofthesetviaawristwrapwithresistance.
Keepcomponentsandtoolsalsoatthis
potential.
CLASS1
LASERPRODUCT
ATTENTIONGB
Safetyregulationsrequirethatthesetberestoredtoitsoriginal
conditionandthatpartswhichareidenticalwiththosespecified,
beused.
1-5
ATTENTION
TouslesICetbeaucoupd'autres
semi-conducteurssontsensiblesaux
dechargesstatiques(ESD).
Leurlongevitepourraitetreconsiderablement
ecourteeparlefaitqu'aucuneprecautionn'est
prisealeurmanipulation.
Lorsdereparations,s'assurerdebienetrerelie
aumemepotentielquelamassedel'appareilet
enfilerlebraceletsertid'uneresistancede
securite.
Veilleracequelescomposantsainsiqueles
outilsquel'onutilisesoientegalementace
potentiel.
WARNING
D
AlleICsundvieleandereHalbleitersind
empfindichgegenuberelektrostatischen
Entladungen(ESD).
UnsorgfaltigeBehandlungimReparaturfallkan
dieLebensdauerdrastischreduzieren.
VeranlassenSie,dassSieimReparaturfalluber
einPulsarmbandmitWiderstandverbunden
sindmitdemgleichenPotentialwiedieMasse
desGerates.
BauteileundHilfsmittelauchaufdiesesgleiche
Potentialhalten.
F
ESD NL
I
WAARSCHUWING
AlleIC'senveleanderehalfgeleiderszijn
gevoeligvoorelectrostatischeontladingen
(ESD).
Onzorgvuldigbehandelentijdensreparatiekan
delevensduurdrastischdoenverminderen.
Zorgervoordatutijdensreparatieviaeen
polsbandmetweerstandverbondenbentmet
hetzelfdepotentiaalalsdemassavanhet
apparaat.
Houdcomponentenenhulpmiddelenookop
ditzelfdepotentiaal.
AVVERTIMENTO
TuttiICeparecchisemi-conduttorisono
sensibiliallescarichestatiche(ESD).
Lalorolongevitapotrebbeesserefortemente
ridattaincasodinonosservazionedellapiu
grandecauzioneallaloromanipolazione.
Duranteleriparazionioccorrequindiessere
collegatoallostessopotenzialechequellodella
massadell'apparecchiotramiteunbraccialetto
aresistenza.
Assicurarsicheicomponentieanchegliutensili
conqualisilavorasianoancheaquesto
potenziale.
Pourvotresecurite,cesdocuments
doiventetreutilisespardesspecia-
listesagrees,seulshabilitesareparer
votreappareilenpanne.
NL
F
D
I
DK
SF
S
GB
Veiligheidsbepalingenvereisen,dathetapparaatbijreparatiein
zijnoorspronkelijketoestandwordtteruggebrachtendatonderdelen,
identiekaandegespecificeerde,wordentoegepast.
Afterservicingandbeforereturningsettocustomerperforma
leakagecurrentmeasurementtestfromallexposedmetalpartsto
earthgroundtoassurenoshockhazardexist.Theleakagecurrent
mustnotexceed0.5mA.
LenormedisicurezzaesigonocheI'apparecchiovengarimesso
nellecondizionioriginaliechesianoutilizzatiipezzidiricambio
identiciaquellispecificati.
Warning!
Varning!
Varoitus!
Advarse!
Invisiblelaserradiationwhenopen.
Avoiddirectexposuretobeam.
312211003420
Avatussalaitteessajasuojalukituksenohitettaessaoletalttiina
nakymattomallelaserisateilylle.Alakatsosateeseen!
Usynliglaserstrlingvedabningnarsikkerhedsafbrydereer
udeaffunktion.Undgaudsaettelseforstraling.
a
BeijederReparatursinddiegeltendenSicherheitsvorschriftenzu
beachten.DerOriginalzustanddesGeratsdarfnichtverandertwerden;
furReparaturensindOriginal-Ersatzteilezuverwenden.
LesnormesdesecuriteexigentqueI'appareilsoitremisaI'etat
d'origineetquesoientutiliseeslespiecesderechangeidentiques
acellesspecifiees.
Osynliglaserstralningnarapparatenaroppnadochsparren
arurkopplad.Betraktaejstralen.