DVD-525-UR
CarAudio
DVD525UR
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
SDBoard
SetMechanicalExplodedview&partslist........................9
............................................................................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
50Wx4channels
25Wx4channels(410%T.H.D.)Ω
4-8ohm
4.0V(CDplaymode:1KHz,0dB,10Kload)Ω
15A
178x50x166mm
1.7kg
≥300mV
4.0V(61Hz,0dB,10Kload)Ω
FMStereoRadio
Frequencyrange:87.5-108.0Mhz(EUROPEMODE)
65.0-74.0MHz(OIRTMODE)
Usablesensitivity:
Frequencyresponse:
Stereoseparation:
Imageresponseratio:
IFresponseratio:
Signal/noiseratio
μ
8dB
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:
Channelseparation:
Videosignalformatsystem:
Discdigitalaudiosystem
20Hz-20kHz
>80dB
Lessthan0.20%(1kHz)
>60dB
PAL/NTSC/AUTO
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
Purple/
Black
Stripe
RightSpeaker
(Rear)
Antenna
ISOConnector
GrayGray/
Black
Stripe
RightSpeaker
(Front)
White
White/
Black
Stripe
LeftSpeaker
(Front)
Red
Black
Blue
Yellow
Pink
Green/
Black
Stripe
Green
LeftSpeaker
(Rear)
Fuse15A
Tocarbattery(+)Continuous+12VDC
GroundLead
Motor/ElectricAntennarelaycontrolLead
AmplifierrelaycontrolLead
Ignitionkey+12VDCWhenON/ACC
TelephoneMute(activelowlogiclevel)
Subwooferout
Aux-in(Black)
(Yellow)
Connector
RearLine-out(Gray)
FrontLine-out(Brown)
ForsomeVW/AudiorOpel(Vauxhall)
carmodels,youmayneedtomodify
wiringofthesuppliedpowercordas
illustrated,orelsethememoryofthe
unitmaybelostafteryoupoweroff.
Contactyourauthorizedcardealer
beforeinstallingthisunit.
Originalwiring
YellowYellow
RedRed
Modifiedwiring
YellowYellow
RedRed
(Green)
R(Red)
L(White)
Video-out
R(Red)
L(White)
R(Red)
L(White)
UsingtheISOConnector
1.IfyourcarisequippedwiththeISOconnector,thenconnecttheISOconnectorsasillustrated.
2.ForconnectionswithouttheISOconnectors,checkthewiringinthevehiclecarefully
incorrectconnectionmaycauseseriousdamagetothisunit.
Cuttheconnector,connectthecoloredleadsofthepowercordtothecarbattery,
codetablebelowforspeakerandpowercableconnections
Location
1
2
3
4
5
6
7
8
ConnectorAConnectorB
Telephone-mute/pink
Battery12V(+)/yellow
AutoAntenna/blue
ACC+/red
Ground/black
Function
RearRight(+)-Purple
RearRight(-)-Purple/BlackStripe
FrontRight(+)-Gray
FrontRight(-)-Gray/BlackStripe
FrontLeft(+)-White
FrontLeft(-)-White/BlackStripe
RearLeft(+)-Green
RearLeft(-)-Green/BlackStripe
beforeconnecting,
asshowninthecolour
CONTROLS
Poweron/off:PressPWRtoturnon/offtheunit.
1-7
1
VOL
2 3 4 5 6 7 8 9 10 11
SRC
UP
DN
BAND
DISPMUTE
123654
12 13 14 15 16 17 18 19 20 21
1.PowerON/OFF
2.Rotatethecontroltoadjustvolumelevel.
PushonceormoretoselectVOLUME/BASS/TREBLE
/BALANCE/FADER,Rotatethecontroltoadjustlevel.
3.-Radio
-Discplay(whendiscinserted)
-USB-drive(whenUSBinserted)
-Card(whenSD/MMCinserted)
-Aux-in
4.Mute
5.Displayswitch
6.-Radiotune
-Tofastsearchwithinatrack/skiptonextorprevioustrack
7.TrafficAnnouncements(PressAFbuttonfor2secondstochooseST,
thenpressitagainfor2secondstoswitchtoMONO).
8.AlternativeFrequencyON/OFF
9.ProgramType(PressPTYbuttonfor2secondstochooseLOCAL,
thenpressitagainfor2secondstoswitchtoDX).
10.PanelOpen
11.SD/MMCcardslot
12.Bandswitch:FM1-FM2-FM3-FM(OIRT)-AM1-AM2
13.Play/Pause
14.Introplay
15.Trackrepeatplay
16.Trackrandomplay
17.VideoSystemPAL/NTSC/AUTO
18.-DVDAudioChannel
-VCDAudioChannelL/R/ST
ButtonRadiopresetPresstolistentoapresetstation,
1~6:
Holdformorethan2secondstostorestation.
19.AMS:Radiopresetscan,Radioautopreset
Search:MP3track/file/charactersearch
20.Remotesensor
21.USBconnect
P/NINTRPTRDMR/L
AFPTYTA
AMS
REMOTECONTROLS
1Zoom(DVD/VCDonly)
2Title(DVDonly)
3Poweron/off
4Setup
5Menucursor
6Enter
7Program
8DigitArea
9-AudioModeSelectVol/Bas/Tre/Bal/Fad
-
Pushmorethan2secondstoMenumode.
10Volume
11Mute
12-RadioTune
-TrackSkip/Seek
13Subtitle(DVDonly)
14-Radio
-DiscPlay(whendiscinserted)
-USB(whenUSBinserted)
-Card(whenSD/MMCinserted)
15REPEAT
16A-Brepeat
17Stop/Return
18Play/Pause
19GotoSearch
20DVDMENU
PBC(forVCD2.0orup)
21OnScreendisplay
22DVDAudio
VCDAudioL/R/ST
23OnPaneldisplay
24Angle(DVDonly)
25-VideosystemPAL/NTSC/AUTO
-Radioband
1-8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Replacingthelithiumbatteryofremotecontrolunit.
*Whentheoperationrangeofthecardremote
controlbecomesshortornoProperly,replace
thelithiumbatterywithanewone.Makesure
thebatterypolarityreplacementiscorrect.
1.Pulloutthebatteryholderwhilepressingthestopper.
2.Insertthebutton-typelithiumbatterywiththe
markfacingupward.
remotecontrol.
Insertthebatteryholderintothe
(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.Donotusetheunitinabnormalcondition,forexample
withoutsound,orwithsmokeorfoulsmell,cancausefireorelectricshock.Immediatelystopusingitandcallthestore
whereyoupurchasedit.Nevertrytorepairtheunityourselfbecauseitisdangeroustodoso.
General
Nopowerornosound.
Car'sengineswitchisnoton.Turnyourcar'skeytoACCorON.Cableisnot
correctlyconnected.Checkconnection.
Fuseisburnt.Replacefuse.
Checkvolumeormuteon/off.
Iftheabovesolutionscannothelp,Pressthebutton.
RESET
Disc
Discisinsidebutnosound.
Discisupsidedown.
Placediscinthecorrectdirection,andthelabelsideup.Discisdirtyordamaged.
Cleandiscorchangeanotherdisc.
Discsoundskips,tonequalityislow.
Discisdirtyordamaged.CleanCDorchangeanotherCD.
Soundskipsduetovibration.
Mountingangleisover30.
Adjustmountingangletolessthan30.
o
o
Unstablemounting.
Mounttheunitsecurelywiththemountingparts.
Radio
Noiseinbroadcasts.
Stationistoofar,orsignalsaretooweak.
Selectotherstationsofhighersignallevel.
Presetstationlost.
Batterycableisnotcorrectlyconnected.
Connectthebatterycabletotheterminalthatisalwayslive.
ErrorDisplayMessages
DisplayshowsERROR.
Discisdirty,damagedorupsidedown.
Pressbuttontoejectthedisc.
EJECT
Whenvideofileinitializingtimeistoolong.
Filereaderrororfiletypenotsupported.
Presstoexit.Thenpresstoplaydiscagain.
SRCSRC
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
SETBLOCKDIAGRAM
3
TunerL
TunerR
3
TunerModule
TC-512
MPX
ACC5V
DVD5V
B+
Remote-IR
RDSDecoder
TDA7479
RDS-CLK
USB-CTL
LCDDisplay
SD/USBCTL
KIN0-1
LD-SW
1MX16X4BANK
(TSOP1154PIN)
SDRAM
M
M
SPHE8202D
DVD-R
DVD-L
VIDEO-OUT
AM5668
MotorDriver
FLASHMX29LV800T
(TSOP48PIN)
ROM
AnalogAudioI/P
DVD-PLAYER4-IN-1SINGLECHIP
CD-R
CD-L
AP1507
CL-SW
OP-SW
D1
D2
CLK
STB
RESET
KV5V-ON
AUX-IN
AUXL
AUXR
ST75321
MCU
LR
F/L
F/R
Pre-Amp
RC4558
R/R
R/L
Audioinputselector&EQvolumecontrol
TDA7419 Pre-Amp
RC4558
R/R
R/L
Mute
F/L
F/R
LCDData
LCDClock
ST-BY
MUTE
IN1
IN2
IN3
IN4
AC-GND
LCDDriver
L6523C
MCUDC5V
Vcc1
SVRTAB
LCDCE
MCUDC5V
PowerAmplifier
TDA7386
Vcc2
S-GND
ACC
N.C.
OUT1+
OUT1-
PW-GND
OUT2+
OUT2-
PW-GND
OUT3-
OUT3+
PW-GND
OUT4+
OUT4-
PW-GND
F/L
F/R
R/R
R/L
LOADINGDRIVE
BA6287
Open/CloseControl
DVD+9V
DC11~16V
Ground
PowerSupply
ControlledPower
D9V
B5V
ACC
Pre-Amp
RC4558
DC11~16V
F/RF/L
Line-Output
SubOut
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