Philips-AX1000-cd-sm 维修电路原理图.pdf

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1、CLASS 1LASER PRODUCTGB3140 785 22550Published by SS 0106 Service Audioor otherwise without the prior permission of Philips.system or transmitted, in any form or by any means, electronic, mechanical, photocopying,All rights reserved. No part of this publication may be reproduced, stored in a retrieva

2、lCopyright 1995 Philips Consumer Electroncis B.V. Eindhoven, The Netherlandsbe used.condition and that parts which are identical with those specifiedSafety regulations require that the set be restored to its original CPCS 107 185Printed in The NetherlandsCopyright reservedSubject to modificationPort

3、able Compact Disc PlayerTABLE OF CONTENTSchapterHandling chip components and safety1 - 1.Technical Specification2 - 1.Measurement Setup2 - 1.Connections & Controls2 - 2.Accessories2 - 8.Instructions for use2 - 3 to 2 - 73 - 2.Service Tools2 - 8.Block Diagram3 - 13 - 2.Startup Procedure.Pinning of In

4、tergated Circuits.chapterCD part4 - 3.Mechanical partslist5 - 1.Exploded View Diagram5 - 1.Electrical partslist6 - 1 to 6 - 3.Control/Supply part4 - 1.CIRCUIT DIAGRAMSAudio part4 - 2.Component Side View4 - 4.LAYOUT DIAGRAMSCopper Side View4 - 5.AX1000AX1001all versionsRadioFans.CN 收音机爱 好者资料库HANDLING

5、 CHIP COMPONENTS1-1PCS 104 439 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 with

6、resistance. Keep 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 b

7、ien tre reli au mmepotentiel 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 Entladu

8、ngen (ESD).Unsorgfltige 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. WAARSCHUWINGAll

9、e ICs en vele andere 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

10、apparaat.Houd componenten 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 l

11、e riparationi occorre 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 its

12、original condition 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

13、 sicurezza sono marcati 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

14、ppnad ochsprren r 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 !fPour votre scur

15、ite, ces documents 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 ve

16、rwenden.Sicherheitsbauteile 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.

17、After servicing 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.RadioFans.CN 收音机爱 好者资料库PCS 107 1862-1TECHNICAL SPEC

18、IFICATIONSGeneralDimension (W x H x D): 129 x 30 x 150 mmWeight: 220 gPower supply modesDC in socket: 2.9 8.0 VPrimary batteries (2xLR6): 1.6 3.6 VRechargable batteries: 1.6 3.6 VBattery lifetimeBattery TypeESA OFFESA ONPrimary batteries 15 hrs-2 x LR6(17.5h typ.)-Battery level detectionBattery empt

19、y: 1.8 V nom. +100/-100 mVCurrent consumption DCin supply (4.5 V)OperationESA OFFESA ONPlay mode140 mA typ.-Jump mode400 mA typ.-Standby60 mA typ.-Current consumption Battery supply (2.25 V)OperationESA OFFESA ONPlay mode140 mA typ.-Jump mode500 mA typ.-Standby0.1 mA typ.-Shock resistance (ESA off)+

20、X/-X direction: 4 G+Y/-Y direction: 4 G+Z/-Z direction: 3 GHeadphone output (16 Ohm, ESP and DBB off)Output power (10% THD): 4 mW (+1/-3dB)-/17 version only: 2 mW (+1/-3dB)Frequency response (1mW): 100Hz - 20kHz within 6 dBS/N ratio (unw.): 75 dB (80 dB typ.)S/N ratio (A-wght): 77 dB (82 dB typ.)THD

21、+N (1kHz, 1mW): 1 % (0.2 % typ.)Crosstalk (1kHz, no load): -65 dB (-75 dB typ.)Channel unbalance (-40dB): 5dBVolume attenuation (1kHz): 60 dBDynamic Bass Boost DBBDBB Stage63 kHz1 kHz10 kHzDBB+8dB 2dB0dB 2dB0dB 2dBFrequency responseMeasurement setupUse Audio Signal Disc SBC4294822 397 30184Low pass

22、filterDUTS/N and distortion meterLRi.e. Sennheiser UPM550with FF-filterLevel meteri.e. Sound Technology ST1700Bi.e. 4822 395 3020422kHz13th orderCONNECTIONS AND CONTROLS2-2PCS 107 18712345678901 MODE.selects the different playing possibilities: SHUFFLE, SHUFFLE REPEAT ALL, REPEATand REPEAT ALL2 BASS

23、.switches the bass enhancement on and off. This button alsoswitches acoustic feedback (the beep) on/off when it is pressed formore than 2 seconds3 2;.switches the player on, starts or pauses CD play4 9.stops CD play, clears a program or switches the player off5 .display6.skips and searches CD tracks

24、 backwards7 .skips and searches CD tracks forwards8 OPEN 2.opens the CD lid9 VOL E.adjusts the volume0 p/LINE OUT.3.5 mm headphone socket, socket to connect the player to anotheraudio input of an additional appliance! OFF.switches RESUME and HOLD offRESUME.stores the last position of a CD track play

25、edHOLD.locks all buttons PROGRAM.programs tracks and reviews the program# 4.5V DC.socket for external power supply$ .typeplate% .battery compartmentThis set complies with the radio interference requirements of the European Community.PCS 107 1882-3INSTRUCTIONS FOR USEUse only the AY 3170 adapter (4.5

26、 V/300 mA direct current, positive pole to the centre pin). Any otherproduct may damage the player.1 Make sure that the adapters voltage corresponds tothe local voltage.2 Connect the adapter to the 4.5V DC socket of theplayer and to the wall socket.Note: Always disconnect the adapter when you are no

27、t using it. Connect the supplied headphones to the p/LINE OUTsocket of the player.Note:p/LINE OUTcan also be used for connecting theplayer to your HiFi system (with a signal lead) or toyour car radio (with a cassette adapter or signallead). In both cases, the volume of the player mustbe set to posit

28、ion 8.Headphones HE 5454,5V DCMains adapter (supplied or optionally available)You can use the following batteries with this CD-player: normal batteries type LR6, UM3 or AA (preferably Philips), or alkaline batteries type LR6, UM3 or AA (preferably Philips).Note: Old and new or different types of bat

29、teries should not be used incombination. Remove batteries if they are empty or if the player is not going to be used for a long time.Inserting batteries Open the battery compartment and insert either2 normal or alkaline batteries.Battery indicationThe approximate power level of your batteries is sho

30、wnin the display. If is shown or flashing (depending on the version) and bAtt is displayed, the batteries areempty.Average playing time of batteries under normal conditionsBattery typePlaying timeNormal7 hoursAlkaline20 hoursBatteries contain chemical substances, so they should be disposed of proper

31、ly.Batteries (supplied or optionally available)Use your head when using headphonesHearing safety: Do not play your headphones at a high volume. Hearing expertsadvise that continuous use at high volume can permanently damage your hearing.Traffic safety: Do not use headphones while driving a vehicle.

32、It may create a hazardand it is illegal in many countries. Even if your headphones are an open-air typedesigned to let you hear outside sounds, do not turn up the volume so high that youcannot hear what is going on around you.INSTRUCTIONS FOR USE2-4PCS 107 189 If a CD-Recordable (CD-R) or a CD-Rewri

33、table (CD-RW) is not recorded properly,nF dISC is displayed, indicating that the CD has not been finalized. In thatcase, use FINALIZE on your CD recorder to complete the recording. When playing a CD-Rewritable (CD-RW), please note that it takes 315 secondsafter pressing 2; for sound reproduction to

34、start. Playback will stop if you open the CD lid. While the CD is read, 1 -:- is displayed.Volume adjustment Adjust the volume by using VOL E.Bass adjustment Press BASS to switch the bass enhancement on oroffyis shown if the bass enhancement isactivated.PROGRAMMODEVolume and bassPlayback information

35、This CD-player can play all kinds of Audio Discs such as CD-Recordables and CD-Rewritables. Do not try toplay a CD-ROM, CDi, VCD, DVD or computer CD.1 Push the OPEN 2 slider to open the CD lid.2 Insert an audio CD, printed side up, by pressing theCD onto the hub. 3 Close the player by pressing the l

36、id down.4 Press 2; to switch the player on and start playback.yThe current track number and elapsed playingtime are displayed. You can pause playback by pressing 2;. yThe time at which playback was paused startsflashing. You can continue playback by pressing 2; again.5 Press 9 to stop playback.yThe

37、total number of tracks and the total playingtime of the CD are displayed.6 Press 9 again to switch the player off. To remove the CD, hold it by its edge and press thehub gently while lifting the CD.Note: If there is no activity, the set will automaticallyswitch off after a while to save energy.0MODE

38、Playing a CDPCS 107 1902-5INSTRUCTIONS FOR USEWhile playback is stopped, select a track withYou can store up to 15 tracks to play in a program.A single track may be stored more than once in theprogram.1ogrammed and or .2 Press PROGRAM to store the track.yPROGRAMlights up; the track number pred track

39、s in sequence.P with the total number ofstored tracks are displayed.3 Select and store all desired tracks in this way.4 Press 2; to start playback of your selected tracks.yPROGRAMis shown and playback starts. You can review the program by pressing PROGRAM for more than 2 seconds.yThe display shows a

40、ll the storNotes: If you press PROGRAMand there is no track selected, SELECtis displayed. If you try to store more than 15 tracks, FULLis displayed.Clearing the program While playback is stopped, press 9 to clear program.yCLEAr is displayed once, PROGRAMgoes off,and the program is cleared.Note: The

41、program will also be cleared if the power supply is interrupted, or if theCD-player lid is opened, or if the set switches off automatically.MODEPROGRAMProgramming track numbersSelecting a track during playback Briefly press or once or several times to skip tothe current, previous or next track.yPlay

42、back continues with the selected track, andthe tracks number is displayed.Selecting a track when playback is stopped1 Briefly press or once or several times to selectthe desired track. The track number is displayed.2 Press 2; to start CD play.yPlayback starts with the selected track.Searching for a

43、passage during playback1 Keep or pressed to find a particular passage in a backward or forward direction.ySearching starts while playback continues at low volume. After 2 seconds the search speeds up.2 Release the button when you reach the desired passage.yPlayback continues from this position.Notes

44、: In SHUFFLE, SHUFFLE REPEAT ALL or REPEAT mode (see MODE chapter), orwhile playing a program, searching is only possible within the particulartrack.PROGRAMMODESelecting a track and searchingINSTRUCTIONS FOR USE2-6PCS 107 191continue (even after an the position whereand you can lock all buttonsbe ex

45、ecuted (HOLD).slider for these functions.where you have stoppedRESUME during playback to activate RESUME.to stop playback.want to resume playback.playback continues fromswitch the slider to OFF.set by switching the slider to HOLD. Now, when a keyexecuted. This is of use, for example, when transporti

46、ngactivated, you can avoid accidental activation of otheractivate HOLD.HoLd is shown whenthe set is switched off,only when 2; is pressed.the slider to OFF.by switching the slider to RESUME,you will befunction.p/LINEOUTp/LINEOUTOFFRESUMEHOLD2 Press 9 whenever you want 3 Press 2; whenever you yRESUMEi

47、s shown and where you have stopped. To deactivate RESUME, yRESUMEgoes off.HOLD locking all buttonsYou can lock the buttons of the is pressed, no action will be the player in a bag. With HOLDfunctions.1 Switch the slider to HOLD to yAll buttons are locked. o deactivate HOLD, switch you press any butt

48、on. If HoLd will be shown 2 TRESUMENote: If you deactivate HOLDactivating the Use the RESUMEHOLDOFF RESUME continuing om 1 Switch the slider to yRESUMEis shown.You can interrupt playback and extended period of time) from playback stopped (RESUME) of the set so that no action will frRESUME and HOLD.I

49、t is possible to play tracks in random order, to repeat a single track or the entire CD.1 Press MODE during playback as often as required inorder to activate one of the following modes. Theactive mode is shown in the displayySHUFFLE: All tracks of the CD are played inrandom order until all of them h

50、ave been playedonce.ySHUFFLE REPEAT ALL: All tracks of the CD areplayed repeatedly in random order.yREPEAT: The current track is played repeatedly.yREPEAT ALL: The entire CD is played repeatedly.2 Playback starts in the chosen mode after 2 seconds. To return to normal playback, press MODE repeatedly