Philips-EXP-221-Service-Manual电路原理图.pdf

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1、PRODUCT FAMILY CDP EXPANIUM 2004Handling chip components .1-1Technical specification .1-2Connections and controls .2-1Instruction for use.2-2.2-5Accessories .3-1Service tools .3-1IC block diagram .3-2.3-5Blockdiagram .4-1Circuit diagramsPart 1.5-1Part 2.5-2Part 3 .5-3Layout diagramsComponentside vie

2、w.5-4Copperside view.5-5Exploded view .6-1Mechanical partslist .6-1Electrical partslist.7-1 3140 785 32700Published by LX 0337 Service Audio Printed in The Netherlands Subject to modificationPortable Compact Disc PlayerCLASS 1LASER PRODUCTEXP221all versionsTABLE OF CONTENTSCopyright 2003 Philips Con

3、sumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrievalsystem or transmitted, in any form or by any means, electronic, mechanical, photocopying,or otherwise without the prior permission of Philips.EXP2201-1HANDLING CH

4、IP COMPONENTS WARNINGAll ICs and many other semiconductors are susceptible toelectrostatic discharges (ESD). Careless handling duringrepair can reduce life drastically.When repairing, make sure that you are connected with thesame potential as the mass of the set via a wristband withresistance. Keep

5、components and tools at this potential.f ATTENTIONTous les IC et beaucoup dautres semi-conducteurs sontsensibles aux dcharges statiques (ESD). Leur longvitepourrait tre considrablement courte par le fait quaucuneprcaution nst prise leur manipulation.Lors de rparations, sassurer de bien tre reli au m

6、mepotentiel que la masse de lappareil et enfileer le braceletserti dune rsistance de scurit.Veiller ce que les composants ainsi que les outils que lonutilise soient galement ce potentiel.d WARNUNGAlle ICs und viele andere Halbleiter sind empfindlichgegenber elektrostatischen Entladungen (ESD).Unsorg

7、fltige Behandlung im Reparaturfall kann dieLebensdauer drastisch reduzieren.Sorgen Sie dafr, da Sie im Reparaturfall ber ein Puls-armband mit Widerstand mit dem Massepotential desGertes verbunden sind.Halten Sie Bauteile und Hilfsmittel ebenfalls auf diesemPotential. WAARSCHUWINGAlle ICs en vele and

8、ere halfgeleiders zijn gevoelig voorelectrostatische ontladingen (ESD).Onzorgvuldig behandelen tijdens reparatie kan de levensduurdrastisch doen vermindern. Zorg ervoor dat u tijdens reparatievia een polsband met weerstand verbonden bent met hetzelfdepotentiaal als de massa van het apparaat.Houd com

9、ponenten en hulpmiddelen ook op ditzelfde potentiaal.i AVVERTIMENTOTutti IC e parecchi semi-conduttori sono sensibili alle scarichestatiche (ESD).La loro longevit potrebbe essere fortemente ridatta in caso dinon osservazione della pi grande cauzione alla loromanipolazione. Durante le riparationi occ

10、orre quindi esserecollegato allo stesso potenziale che quello della massadelpparecchio tramite un braccialetto a resistenza.Assicurarsi che i componenti e anche gli utensili con quali silavora siano anche a questo potenziale.Safety regulations require that the set be restored to itsoriginal conditio

11、n and that parts which are identical withthose specified be used.Safety components are marked by the symboliLe norme di sicurezza estigono che lapparecchio vengarimesso nelle condizioni originali e che siano utilizzati ipezzi di ricambiago identici a quelli specificati.Componenty di sicurezza sono m

12、arcati conVeiligheidsbepalingen vereisen, dat het apparaat in zijnoorspronkeliijke toestand wordt teruggebracht en datonderdelen, identiek aan de gespecificeerde, worden toegepast.De Veiligheidsonderdelen zijn aangeduid met het symbools Varning !Osynlig laserstrlning nr apparaten r ppnad ochsprren r

13、 urkopplad. Betrakta ej strlen. Advarsel !Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. Varoitus !Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiinankymttmlle laseristeilylle. l katso steeseen !f“Pour votre scurite, ces documen

14、ts doivent tre utiliss pardes spcialistes agrs, seuls habilits rparer votreappareil en panne“.ESDSAFETYdBei jeder Reparatur sind die geltenden Sicherheitsvor-schriften zu beachten. Der Originalzustand des Gertesdarf nicht verndert werden. Fr Reparaturen sind Original-ersatzteile zu verwenden.Sicherh

15、eitsbauteile sind durch das Symbol markiert.fLes normes de scurit exigent que lappareil soit remis ltat dorigine et que soient utilises les pices derechange identiques celles spcifies.Les composants de scurit sont marqusCLASS 1LASER PRODUCT DANGER: Invisible laser radiation when open.After servicing

16、 and before returning the set to customerperform a leakage current measurement test from all exposed metal parts to earth ground, to assure noshock hazard exists.The leakage current must not exceed 0.5mA.AVOID DIRECT EXPOSURE TO BEAM.1-2TECHNICAL SPECIFICATIONGeneralDimensions (WxHxD) : 128x34x139.5

17、 mmWeight without batteries : 205 gPower supply modesDC-in socket : 2.5 - 6.0VPrimary batteries (2xLR6) : 1.8 - 3.6VBattery lifetimeBattery level detectionBattery empty : 2.0V nom. +200/-200 mVCurrent consumption CDDA-playbackShock resistance+X/-X direction : 5 g+Y/-Y direction : 5 g+Z/-Z direction

18、: up to 10 gHeadphone out (measured with 16 load, DBB/ESP off)Output power (THD=10%) : 2x4.5mW (+1/-3dB)Frequency response (1mW) : 100Hz-20kHz within-6dBS/N ratio (unwght) : 73dB (76dB typ.)S/N ratio (A-wght) : 82dB (84dB typ.)THD+N (1kHz, 1mW) : 1.0% (0.2% typ.)Channel crosstalk (1kHz, no load) : -

19、30dB (-45dBtyp.)Channel unbalance (-40dB) : 2dBVolume attenuation (1kHz) : 60dBDynamic Bass Boost DBBLaserOutput power : 5mW (3mW typ.)Wavelength : 780nmMeasurement setupUse Audio Signal disc SBC429 4822 397 30184Low pass filterDUT S/N and distortion meterLRi.e. Sennheiser UPM550with FF-filterLevel

20、meteri.e. Sound Technology ST1700Bi.e. 4822 395 3020422kHz13th orderEGATSBBDesnopserycneuqerFzH56 zHk1 zH025DBB 1DBB 2Bd5+Bd9+Bd0Bd0Bd+9 + Bd2/-1Bd+5 + Bd2/-1EDOMNOITAREPO )V5.4(YLPPUSNI-CD )V52.2(YLPPUS.TTABedom-yalP.pytAm0220edom-pmuJ.pytAm260.pytAm0240.pytAm250yb-dnatS n.a. n.a.EPYTYRETTAB h8.5).

21、pyt9.5h( h10).pyth11.5(Normal Alkalite batteries 2 x LR6ESA off ESA on2-1English CONTROLS / GENERAL INFORMATIONControls ( see figure 1 )1 OPEN 2 .opens the CD lid.2 ALBUM .selects next / previous album.3 MODE .selects the different playing possibilities: REPEAT and SHUFFLEFUNCTION; turn on / off ESP

22、 ( Electronic Skip Protection )4 DBB ( Dynamic Bass Boast ) .Selects the bass.5 .skips and searches forwards.6 .skips and searches backwards.7 .display.8 9.stops playback, clears a program or switches the player off.9 2; .switches the player on, starts or pauses playback.0 PROGRAM .programs tracks,

23、reviews the program! RESUME .stores the last position of a track playedHOLD.locks all buttonsOFF.switches RESUME and HOLD off LINE OUT/p.3.5 mm LINE OUT/ headphone jack to connect the head-phone or another audio input of an additional appliance.# VOL E .adjusts the volume$ 4.5V DC .jack for connecti

24、ng external power supply% .type plateBatteries ( not supplied )Inserting batteriesOpen the battery compartment and insert either2 normal or alkaline batteries type AA (LR6, UM3).Old and new or different types of batteries shouldnot be combined.Indication of empty batteriesReplace the battery or conn

25、ect the mains adapter assoon as blinks.Remove batteries if they are empty or if the unit willnot be used for a long time.Batteries contain chemical substances, so theyshould be disposed of properly.2.1.CAUTIONUse of controls or adjustments or performance of procedures other thanherein may result in

26、hazardous radiation exposure.Both the model number and production number are located on the bottom of the set.OPENVOLEOFF R SUME HOLDOUTLINE /1 OPEN3 CD 4 CD5 HOLD OFF 6 PLAY 2; 7 VOL!22.1.OPENVOLEOFFRSUME HOLDOUTLINE /OPENVOLEOFF R SUME HOLDOUTLINE /OPENVOLOUTLINE /OPENVOLEOFFRSUME HOLDOUTLINE /OPE

27、NVOLEOFF RSUME HOLDOUTLINE/VOLEOFF RSUME HOLDOUTLINE /CLASS 1LASER PRODUCTOPENVOLEOFFRSUMEHOLDOUTLINE/1$%1#4583926!07QUICK STARTCONNECTIONS AND CONTROLS2-2Environmental informationAll redundant packing material has been omitted. We have done our utmost tomake the packaging easily separable into thre

28、e mono materials: EXP220 / 00Zuse clamshell package, EXP221/00C use D box.Your set consists of materials which can be recycled if disassembled by a specialized company. Please observe the local regulations regarding the disposalof packing materials, exhausted battery and old equipment.MP3 music file

29、sThe music compression technology MP3 (MPEG Audio Layer 3) reduce the sizeof digital data of an audio CD significantly while maintaining CD-like sound quality. With MP3 you can record up to 10 hours of CD-like music on a singleCD-ROM.How to get music filesEither download legal music files from the I

30、nternet to your computer hard disk or create them from your own audio CDs. For this, insert an audio CD into your computers CD-ROM drive and convert the music using an appropriateencoder software select to achieve a good sound quality, a bit rate of 128 kbpsand sampling frequency of 44.1kHZ are reco

31、mmended for MP3 music files.Supported formatsThis set supports: Disc format: ISO 9660, Joliet, Multisession, UDF, Enhanced Music CD,Mixed Mode CD MP3 bit rate: 32320 kbps and variable bit rate (128 kbps preferable ) MP3 sampling frequency: 8 - 48 kHz ( 44.1 kHz preferable ) Total number of music fil

32、es around 600 Maximum album number : around 99All trademarks used are owned by their respective owners.POWER SUPPLY / GENERAL INFORMATIONMains adapter ( supplied or optionally available )Only use the AY3162 mains adapter (4.5 V/450 mAdirect current, positive pole to the center pin). Anyother product

33、 may damage the set.1 Make sure the local voltage corresponds to the adapters voltage. If your mains adapter is equippedwith a voltage selector, set this selector to the localmains voltage if necessary.2 Connect the mains adapter to 4.5V DC on the set and to the wall outlet.Note: Always disconnect t

34、he adapter if you are not using it.Headphones ( HE035 )Connect the supplied headphones to LINE OUT/p.Note: LINE OUT/p can also be used for connecting this set to your HiFi system. Adjust thevolume and sound on both the MP3/CD player andyour HiFi system.IMPORTANT!Hearing safety : Do not play your hea

35、dphones at a high volume. Hearing experts advise thatcontinuous use at high volume can permanently damage your hearing.Traffic safety : Do not use headphones while driving a vehicle. It may create a hazard and it isillegal in many countries. Even if your headphones are an open-air typedesigned to le

36、t you hear outside sounds, do not turn up the volume so highthat you cannot hear what is going on around you.OPENVOLEOFF R SUME HOLDOUTLINE /OPENVOLEOFF R SUME HOLDOUTLINE /This set complies with the radio interference requirements of the European Community.CD player and CD handingDo not touch the l

37、ens A of the CD player.Do not expose the unit, batteries or CDs to humidity, rain, sand or excessiveheat (caused by heating equipment or direct sunlight).You can clean the CD player with a soft, slightly dampened, lint-free cloth. Do not use any cleaningagents as they may have a corrosive effect.To

38、clean the CD, wipe it in a straight line from thecenter toward the edge using a soft, lint-free cloth. Acleaning agent may damage the disc! Never write ona CD or attach a sticker to it.The lens may cloud over when the unit is moved sud-denly from cold to warm surroundings. Playing a CD isnot possibl

39、e then. Leave the CD player in a warm environment until the mois-ture has evaporated.Active mobile phones in the vicinity of the CD player may cause malfunctions.Avoid dropping the unit as this may cause damage.Volume and bassVolume adjustmentAdjust the volume by using VOL E.SOUND ADJUSTMENT1 Press

40、DBB once or more for a moderate bassenhancement (DBB1) or a strong bass enhancement(DBB2).yA is shown in the display2 Press DBB again to switch the bass enhancement off.yA disappearsGENERAL INFORMATIONMP3 music filesNote:The following formats are not supported:- *.WMA* , *.AAC*, *.DLF*, *.PLS*, MP3

41、PRO- Non-session closed discsHow to organize music filesIn order to easily handle the large number of music files on a CD-ROM, youcan organize them in folders (“albums”).The tracks of an album will be played in alphabetical order. If you want toarrange them in a certain order, let the file names sta

42、rt with numbers. For example:001-ONEWORLD.MP3002-FIRESTARTER.MP3003-DEEP.MP3The albums will be arranged in alphabetical order. If albums are located in analbum, they will be played after this album. Albums without MP3 files will beskipped.If there are MP3 files which you did not put into an album, y

43、ou will find themin the album number 1.How to make a CD-ROM with MP3Use your computers CD burner to record (“burn”) the music files from yourhard disk on a CD-ROM. Use either ISO 9660 disc format or UDF. Some CDburner softwares like e. g. “Draw - to - Disc” or ”InCD” support the UDF for-mat.Make sur

44、e that the file names of the MP3 files end with .mp3.DBB1 DBB2INSTRUCTION FOR USE2-3Playing a discWith this set you can play all pre-recorded audio CDsall finalized audio CDRs and CDRWsMP3-CDs (CD-ROMs with MP3 files)1 Push the OPEN 2 slider to open the CD lid.2 Insert a disc, printed side up, by pr

45、essing gently on thediscs centre so that it fits onto the hub. Close the lidby pressing it down.3 Press 2; to start playback. yrEAd diSC are displayed briefly when readingthe contents of the disc.Press 2; again to start play-back. Playback starts. For audio CD track, the currenttrack number and the elapsed playing time are dis-played. For a MP3 track, the alb