Prology DVD-520-R Service manual
CarAudio
DVD520R
TABLEOFCONTENTS
Page
TechnicalSpecifications....................................................1-2
Measurementsetup....................................................1-3
ServiceAids,SafetyInstruction,etc....................1-4to1-5
Preparations&Controls.....................................1-6to1-8
Maintenance&Troubleshooting..................................1-9
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:
Continuouspoweroutput:
Suitablespeakerimpedance:
Pre-Ampoutputvoltage:
Fuse:
Dimensions(WxHxD)
Weight:
Aux-inlevel:
Sub-out:
12VDC(11V-16V)
Testvoltage14.4V,negativeground
55Wx4channels
25Wx4channels(410%T.H.D.)Ω
4-8ohm
4.0V(CDplaymode:1KHz,0dB,10Kload)Ω
15A
178x50x166mm
1.7kg
≥300mV
4.0V
FMStereoRadio
Frequencyrange:87.5-108.0Mhz(EUROPEMODE)
87.5-107.9Mhz(USAMODE)
Usablesensitivity:
Frequencyresponse:
Stereoseparation:
Imageresponseratio:
IFresponseratio:
Signal/noiseratio
65.0-74.0MHz(OIRTMODE)
8dB
μ
30Hz-15kHz
30dB(1kHz)
50dB
70dB
>55dB
Components
Mountingcollar
TappingscrewsM5x6mm4
M4x6mm4
Mountingbolt(50mm)1
Wireconnector
Removablefaceplatecase
Trimplate1
T-key2
OperatingInstructions1
Rubber
cushion1
Remotecontroller
1
1
1
1
DiscPlayer
System:
Frequencyresponse:
Signal/noiseratio:
Totalharmonicdistortion:
Videosignalformatsystem:
Discdigitalaudiosystem
20Hz-20kHz
>80dB
Lessthan0.20%(1kHz)
PAL/NTSC
Video:
videooutput:
horizontalnesowtiou:
Note:Specificationsanddesignaresubjecttochange
withoutnoticeforproductimprovements.
10.2V
±
500lines
≥
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
Purple
RightSpeaker
()Rear
Black
Stripe
Antenna
GrayGreenPurple/
RightSpeaker
(Front)
Black
Stripe
ISOConnector
Yellow
Black
Blue Motor/ElectricAntennarelaycontrolLead
Red
White/
WhiteGray/
LeftSpeaker
(Front)
Green/
Black
Stripe
Black
Stripe
LeftSpeaker
(Rear)
Tocarbattery(+)
Continuous+12VDC
GroundLead
AmplifierrelaycontrolLead
Ignitionkey
+12VDCWhenON/ACC
FilterBox
Subwooferout
Aux-in(Black)
Video-out
Connector
RearLine-out(Gray)
FrontLine-out(Brown)
(Green)
R(Red)
L(White)
()Yellow
Fuse15A
R(Red)
L(White)
R(Red)
L(White)
ForsomeVW/AudiorOpel(Vauxhall)
carmodels,youmayneedtomodify
wiringofthesuppliedpowercordas
illustrated,orelsethememoryofthe
unitmaybelostafteryoupoweroff.
Contactyourauthorizedcardealer
beforeinstallingthisunit.
Originalwiring
Yellow Yellow
Red
Modifiedwiring
YellowYellow
Red
Amplifier
Red
Red
UsingtheISOConnector
1.IfyourcarisequippedwiththeISOconnector,thenconnecttheISOconnectorsasillustrated.
2.ForconnectionswithouttheISOconnectors,checkthewiringinthevehiclecarefully
incorrectconnectionmaycauseseriousdamagetothisunit.
Cuttheconnector,connectthecoloredleadsofthepowercordtothecarbattery,
codetablebelowforspeakerandpowercableconnections
ConnectorConnector
beforeconnecting,
asshowninthecolour
1-7
CONTROLS
Poweron:pressanybuttononthepanelexcepttoturnontheunit.
Remotesensor
PowerON/OFF
Radio
Aux-in
Discplay
(whendiscisin)
Displayswitch
Rotatetheknobto
adjustvolumelevel
PushtoselectVOL/BAS/
TRE/BAL/FAD,Rotatethe
knobtoadjustlevel
Pushmorethan2seconds
toMenumode
PWR
PresstotuneinapresetstationHoldfor
morethan2secondstostorestation.
Radiopreset
TrafficAnnouncements
Identification
ProgramType
AlternativeFrequency
regionON/OFF
DN
SRC
DISP
VOL
UP
MUTE
INT
2
1
RDM
RPT
4
3
6
5
AMS
BAND
PanelOpen
Radiotune
Tofastsearchwithin
atrack/skiptonext
orprevioustrack
AMS
FM1
FM2
FM3
FM(OIRT)
Pressthebuttontoopenthepanelandpresstoejectthedisc.
DiscEject
RESETHOLE
Note:
PressingtheRESETholewillerase
theclocksettingandstoredstations.
Discslot:insertadiscforplaybackhere.
Panelstatusindicator:
Lightsupwhenyouslidethepaneldown;
Flasheswhenyouremovethepanel.
1-8
REMOTECONTROLS
PowerOn:Pressanybuttonontheremotecontroltoturnontheunit.
TrickModes
PressTitle
Poweron/off
DVDSetup
DirectionalButtons
forMenuSelections
Enter
Program
DigitArea
SEL(ect)toselectbasic
settingoptionssound
Vol/Bas/Tre/Bal/Fad
Volume
Mute
RadioTune
Tofastsearchwithin
atrack/skiptonext
orprevioustrack
TITLEZOOM
SETUP
ENTER
PROG
1
DEF
4
JKL5MNO
7
0
SEEK+
+-_
-
SEL
SEEK
2
-
ABC
TUV8WXYZ9SPACE
VOL
MUTE
SUB.T
GHI
PQRS
10+
VOL+
BAND
P/N
SelectSubtitleLanguage(onlyDVD)
Radio
SRC
REPEAT
AB
3
SLOW
6
MENU
PBC
OSD
AUDIO
DISP
ANGLE
REPEAT:Title\chapter\disk\track\index
Slowlyplayback1/32,1/16,1/8,1/4,1/2
PBC(forVCD2.0orgreater)
SelectAudioTrack(language)(onlyDVD)
SelectCameraAngle(onlyDVD)
VideomodePAL/NTSC/AUTO
Aux-in
DiscPlay
(whendiscinserted)
A-Brepeatedly
Stop/Return
Discplay/pause
MENU
ONScreendisplay
Displaycurrentlocation
Radioband
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.
1-9
MAINTENANCEANDTROUBLESHOOTING
Maintenance
Clearingdisc
Whenadiscbecomesdirtycleanitwithacleaningcloth.
Wipethediscfromthecenterout.
Cleaningthedisclens
Afterprolongeduse,dirtordustmayaccumulateatthelens.Toensuregoodplaybackquality,cleanthediscwithPhilipsCDlens
Cleaneroranycommerciallyavailablecleaner.Followtheinstructionssuppliedwithcleaner.
CleaningtheheadsandtheTapeParts
Toensuregoodplaybackquality,cleantheheadsA,thecapstanB,
andpressurerollerCafterevery50hoursoftapeoperation.Used
acottonswabslightlymoistenedwithcleaningfluidoralcohol.
Youcanalsocleantheheadsbyplayingacleaningtapeonce.
Troubleshooting
Ifyoususpectsomethingiswrong, immediatelyswitchpoweroff.Immediatelystopusingitandcallthestorewhereyoupurchasedit.
Nevertrytorepairtheunityourselfbecauseitisdangeroustodoso.
General
Nopoweror
nosound
Disc
Discisinsidebut
nosound.
Discsoundskips,
tonequalityislow.
Soundskipsdue
tovibration.
Car'sengineswitchisnoton.
Turnyourcar'skeytoACCorON.
Cableisnotcorrectlyconnected.
Checkconnection.
Fuseisburnt.
Checkvolumeormuteon/off.
Iftheabovesolutionscannothelp,
PresstheRESETbutton.
Discisupsidedown.
Placediscinthecorrectdirection,
andthelabelsideup.
Discisdirtyordamaged
Cleandiscorchangeanotherdisc.
Discisdirtyordamaged.
CleanCDorchangeanotherCD.
Mountingangleisover30o.
Adjustmountingangletolessthan30.
Unstablemounting.
Mounttheunitsecurelywiththe
mountingparts.
Replacefuse.
Radio
Muchnoisein
broadcasts
Presetstation
lost
Stationistoofar,orsignalsaretooweak.
Selectotherstationsofhighersignallevel.
Batterycableisnotcorrectlyconnected.
Connectthebatterycabletothe
terminalthatisalwayslive.
ErrorDisplayMessages
Discisdirty,damagedorupsidedown.
Presstoejectthedisc.
Nodiscintheunit.
o
Insertdiscsintotheunit.
DISMANTLINGINSTRUCTIONS
2-1
2-1
1Pullouttheshortsheetfrommainset.
Loosen8screwsto
removeheatsink&
topcover&bottom
cover.
R
2emovetopandbottomcovers.
4 RemoveCDloader
Remove2pcs
screwonthe
topofloader.
3Loosen4pcsscrewtoremoveFrontCabinet.
Remove2pcsscrew
fromfrontcabinet.
Removethe2pcs
screwtodismantle
theframe.
Removethe2pcs
screwtodismantle
theframe.
Remove6pcs
screwonthe
mainboard.
PulloutFPC
wire.
Removethetwo
connectorsfrom
themainboard.
DISMANTLINGINSTRUCTIONS
2-2
2-2
ServicePositionA
ServicePositionC
ServicePositionB
ServicePositionD
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