Prology DVD-525-UR Service manual

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