Philips-AZ1305-gb-sm 维修电路原理图.pdf

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1、CD SoundmachineAZ1300AZ1305all versionsHandling Chip Components and Safety .1 - 1Technical Specification & Service tools.2 - 1Service Measurement.2 - 2Connections and controls.3 - 1.3 - 2Disassembly Diagram.4 - 1Block Diagram.5 - 1Wiring Diagram.6 - 1Circuit diagramMain BoardAF part.7 - 1CD part .7

2、- 2Tuner Board.7 - 3MCU Board.8 - 1Layout DiagramMain Boardcopper side .9 - 1componet side .9 - 2MCU Boardcopper side .10 - 1component side .10 - 2Exploded view - cabinet.11 - 1Mechanical partslist.12 - 1Electrical partslist .12 - 1.12 - 2 3140 785 32350Published by LX 0311 Service Audio Printed in

3、The Netherlands Subject to modification?CLASS 1LASER PRODUCTTABLE OF CONTENTSCopyright 2001 Philips Consumer 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, electro

4、nic, mechanical, photocopying,or otherwise without the prior permission of Philips.RadioFans.CN 收音机爱 好者资料库HANDLING CHIP COMPONENTS WARNINGAll ICs and many other semiconductors are susceptible toelectrostatic discharges (ESD). Careless handling duringrepair can reduce life drastically.When repairing,

5、 make sure that you are connected with thesame potential as the mass of the set via a wristband withresistance. Keep components and tools at this potential.f ATTENTIONTous les IC et beaucoup dautres semi-conducteurs sontsensibles aux dcharges statiques (ESD). Leur longvitepourrait tre considrablemen

6、t courte par le fait quaucuneprcaution nst prise leur manipulation.Lors de rparations, sassurer de bien 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 potent

7、iel.d WARNUNGAlle ICs und viele andere Halbleiter sind empfindlichgegenber elektrostatischen Entladungen (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 desGert

8、es verbunden sind.Halten Sie Bauteile und Hilfsmittel ebenfalls auf diesemPotential. WAARSCHUWINGAlle ICs en vele andere halfgeleiders zijn gevoelig voorelectrostatische ontladingen (ESD).Onzorgvuldig behandelen tijdens reparatie kan de levensduurdrastisch doen vermindern. Zorg ervoor dat u tijdens

9、reparatievia een polsband met weerstand verbonden bent met hetzelfdepotentiaal als de massa van het 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 fort

10、emente ridatta in caso dinon osservazione della pi grande cauzione alla loromanipolazione. Durante le 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

11、 silavora siano anche a questo potenziale.Safety regulations require that the set be restored to itsoriginal 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 condizio

12、ni originali e che siano utilizzati ipezzi di ricambiago identici a quelli specificati.Componenty di sicurezza sono marcati conVeiligheidsbepalingen vereisen, dat het apparaat in zijnoorspronkeliijke toestand wordt teruggebracht en datonderdelen, identiek aan de gespecificeerde, worden toegepast.De

13、Veiligheidsonderdelen zijn aangeduid met het symbools Varning !Osynlig laserstrlning nr apparaten r 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 suoj

14、alukituksen ohitettaessa olet alttiinankymttmlle laseristeilylle. l katso steeseen !fPour votre scurite, 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

15、Originalzustand des Gertesdarf nicht verndert werden. Fr Reparaturen sind Original-ersatzteile zu verwenden.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.L

16、es composants de scurit sont marqusCLASS 1LASER PRODUCT DANGER: Invisible laser radiation when open.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 mus

17、t not exceed 0.5mA.AVOID DIRECT EXPOSURE TO BEAM.1 - 1RadioFans.CN 收音机爱 好者资料库GENERALMains voltage:-/00/05-/00/05230 V:-/17-/17120 VMains frequency: : 50 Hz:-/17 : 60 HzBatterymains : 9 V (R14 x 6)Power consumption:Dimension (L x D x H): 360 x 225 x 152 mmWeight: 2.3 KgAMPLIFIEROutput powermains : 2

18、x 1 Wbattery : 2 x 1 WSpeaker impedance: 2 x 8 ohmFrequency response: 100 Hz -10 kHz (2dB)TUNER - FM SECTIONTuning range: 87.5 - 108 MHzIF frequency: 10.7 MHzSensitivity: 20 dB at 300kHz 0.2MHzIF rejection: 50 dBImage rejection: 20 dBTUNER - MW SECTIONTuning range: 520 - 1602 kHz: 530 - 1700 kHzIF f

19、requency: 450 kHz 1 kHzSensitivity : 5000 V/m at 26dB S/NSelectivity : 16 dB:IF rejection ratio 24 dB:Image rejection ratio 28 dBAUDIO CASSETTE RECORDERNumber of tracks: 1 stereoTape speed: 4.76 cm/sec 3%Wow & flutter: 0.35 % JIS UWTDFast wind/rewind C60: 130 sec. 36 dB COMPACT DISC:S/N ratio 50 dBC

20、hannel difference 1 kHz : 26 dBLaser wavelength: 780 20nmLaser light power: 0.3 mW2 - 1SERVICE TOOLSAudio signal disc SBC 429.4822 397 30184Playability test disc SBC 444.4822 397 30245Test disc 5(disc without errors ) +Test disc 5A (disc with dropout errors, black spots and fingerprints)SBC 426/426A

21、.4822 397 30096Burn in test disc (65 min. 1kHz signal at -30 dB level without “pause”).4822 397 30155anti-static table matlarge 1200 x650 x1.25mm 4822 466 10953small 600 x650 x1.25m 4822 466 10958anti-static wristband4822 395 10223connection box (3 press stud connections, 1M) 4822 320 11307extendibl

22、e cable (2m, 2M, to connect wristband to connection box) 4822 320 11305connecting cable (3m, 2M, to connect table mat to connection box) 4822 320 11306earth cable (1M, to connect any product to mat or to connection box) 4822 320 11308KIT ESD3 (combining all 6 prior products - small table mat) 4822 3

23、10 10671wristband tester4822 344 13999AVAILABLE ESD PROTECTION EQUIPMENTTECHANICAL SPECIFICATIONS2 - 2SERVICE MEASUREMENTBandpass250Hz-15kHze.g. 7122 707 48001LF Voltmeter e.g. PM2534DUTRF Generator e.g. PM5326S/N and distortion meter e.g. Sound Technology ST1700BTuner SWTo avoid atmospheric interfe

24、rence all AM-measurements have to be carried out in a Faradays cage.Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz).Ri=50Aerial replacementCapacitorR=50Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmeter e.g. PM2534DUTS/N and distortion meter e.g. Soun

25、d Technology ST1700BFrame aeriale.g. 7122 707 89001Tuner AM (MW,LW)To avoid atmospheric interference all AM-measurements have to be carried out in a Faradays cage.RF Generator e.g. PM5326Ri=50Low pass filter 22kHzLRLEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metere.g. Sound Tec

26、hnology ST1700BDUTCDUse Audio Signal Disc SBC429 4822 397 30184 (replaces test disc 3)L.P.F. = 13 th order filter 4822 395 30204 3 - 1VOLUMESEARCHPRESETTUNINGREPEATSHUFFLESEARCH+-19867243512345678ACMAINS!09Remote Control forAZ1305 model onlyACCESSORIES1 x AC mains lead1 x Remote Control (for AZ1305

27、model only)TOP AND FRONT PANEL (See 1)1 LIFT TO OPEN - lift here to open CD door.2 PROGCD: -programs tracks and reviews the program;Tuner: -programs preset radio stations.3 MODE - selects different play modes: e.g. REPEATor SHUFFLE (random) order.4 VOLUME 3 , 4 - to adjust volume level.PRESET+,-(up,

28、 down) - selects a preset radio station.5 Display - shows the status of the set.6 2; - starts or pauses CD playback.9 - to stop playback or erase a CD program.SEARCH, CD: - searches backward and forward within a track;- skips to the beginning of a current track/ previous/ later track.RADIO: -(down,

29、up) tunes to radio stations.7 DBB (Dynamic Bass Boost) - activates a more vividbass response.8 POWER slider - selects CD/MW / FM/ OFFfunction and also the power off switch (OFF).BACK PANEL (See 1)9 Telescopic aerial - improves FM reception.0 Battery compartment - for 6 batteries, type R-14, UM2 or C

30、-cells.! AC MAINS - inlet for mains lead.REMOTE CONTROL (for AZ1305 model only)1 VOLUME 3 , 4 - adjusts volume level.2 SHUFFLE - plays all CD tracks in random order.3 2; - starts or pauses CD playback.4 SEARCH 5 , 6 - searches backwards/ forwards within a track.5 PRESET+,-(up, down) - selects a pres

31、et radio station.6 TUNING, (down, up) - tunes to tuner stations.7 9 - to stop playback;- erases a CD program.8 , - skips to the beginning of a current track previous/ subsequent track.9 REPEAT - repeats a track /program/ entire CD.CAUTIONUse of controls or adjustments or performance of procedures ot

32、her thanherein may result in hazardous radiationexposure or other unsafe operation.POWER SUPPLYWhenever convenient, use the AC power supply toconserve battery life. Make sure you remove thepower plug from the set and wall outlet before inserting batteries.Batteries (not included) Insert 6 batteries,

33、 type R-14, UM-2 or C-cells,(preferably alkaline) with the correct polarity. (See 6) Remote control (AZ1305 model only)Insert 2 batteries, type AAA, R03 or UM4(preferably alkaline). (See 8)IMPORTANT! Incorrect use of batteries can cause electrolyte leakage and will corrode the compartment or causeth

34、e batteries to burst. Do not mix battery types: e.g. alkaline with carbonzinc. Only use batteries of the same type for theset. When inserting new batteries, do not try to mix oldbatteries with the new ones.Batteries contain chemical substances, sothey should be disposed of properly.Using AC Power1.C

35、heck if the AC power supply, as shown on thetype plate located on the bottom of the set,corresponds to your local power supply. If it doesnot, consult your dealer or service centre.2.Connect the mains lead to the wall socket.3.To disconnect the mains supply, unplug the setfrom the wall socket.This s

36、et complies with the radio interferencerequirements of the European Community.For users in the U.K., please follow the boxedinstructions Important notes. on this sheet.BASIC FUNCTIONSSwitching on and off and selecting function1.To switch on, adjust the POWER slider to select:CD, MW (AM), FM function

37、, and operate therespective function controls.2.To switch off, adjust the POWER slider to selectOFF .Note : The DBB setting, tuner presets and the volume level (maximum to 20) will be retained in thesets memory.Adjusting volume and sound (See 2)1.Adjust the volume with the VOLUME controls. Display s

38、hows the volume level in number from0-32.2.Press DBB once or more to select dynamic bassboost on or off. Display: shows when activated.EnglishCONTROLPOWER SUPPLYCONNECTIONS AND CONTROLS3 - 2Programming track numbersIn the stop position, select and store your CD tracks inthe desired sequence. Up to 2

39、0 tracks can be stored inthe memory.1.Press SEARCHor on the set to select yourdesired track number.2.Press PROG. Display: PROG, Prog briefly and your selected track number. (See 5) If you attempt to program without first selecting a track number, noSE is shown.3.Repeat steps 1-2 to select and store

40、all desiredtracks. Display: FULL if you try to program morethan 20 tracks.Reviewing the programIn the stop position, press and hold PROG until thedisplay shows all your stored track numbers insequence.Erasing a programYou can erase the program by either: pressing 9twice CLr is displayed briefly and

41、PROGdisappears. You select MW / FM function. Open the CD door.SAFETY & MAINTENANCE INFORMATION (See 7) Dont expose the set, batteries, CDs to humidity,rain, sand or excessive heat. Clean the set with a dry cloth. Dont use any cleaning agents containing alcohol, ammonia, benzene or abrasives as these

42、 may harm the set. Place the set on a hard and flat surface so that thesystem does not tilt. Make sure there is good ventilation to prevent the set overheating. The mechanical parts of the set contain self-lubricating bearings and must not be oiled orlubricated.CD player and CD handling If the CD pl

43、ayer cannot read CDs correctly, use acleaning CD to clean the lens before taking the setto repair. The lens of the CD player should never be touched! Sudden changes in the surrounding temperaturecan cause condensation on the lens of your CDplayer. Playing a CD is then not possible. Do notattempt to

44、clean the lens but leave the set in awarm environment until the moisture evaporates. Always close the CD door to avoid dust on the lens. To clean the CD, wipe in a straight line from thecentre towards the edge using a soft, lint-freecloth. Do not use cleaning agents as they maydamage the disc.Neverw

45、rite on a CD or attach any stickers to it.No sound /powerVolume not adjusted Adjust the VOLUMEMains lead not securely connected Connect the AC mains lead properlyBatteries exhausted/ incorrectly inserted Insert (fresh) batteries correctlySevere radio hum or noiseElectrical interference: set too clos

46、e to TV, VCR orcomputer Move the set to increase the distancePoor radio receptionWeak radio signal FM: Adjust the FM telescopic aerialnocd indicationCD badly scratched or dirtyReplace/ clean CD, see MaintenanceLaser lens steamed up Wait until lens has clearednFcd indicationCD-R(W) is blank/ not fina

47、lizedUse a finalized CD-R(W)dAtA indicationCD contains non-audio filesPress SEARCHor once or more to skip to aCD audio track, instead of the data fileThe CD skips tracksCD damaged or dirty Replace or clean CDSHUFFLE or PROG is active Switch off SHUFFLE / PROGRemote control does not function properly

48、 (forAZ1305 model only)Batteries exhausted/ incorrectly inserted Insert (fresh) batteries correctlyDistance/ angle between the set too large Reduce the distance/ angleDIGITAL TUNERTuning to radio stations1.Adjust the POWER slider to MW or FM. The radio. station frequency, waveband areshown (See 3)2.

49、Press and hold SEARCHor until the frequency in the display starts running. The radio automatically tunes to a station ofsufficient reception. Display shows Srchduring automatic tuning.3.Repeat step 2 if necessary until you find thedesired station. To tune to a weak station, press or brieflyand repea

50、tedly until you have found optimal reception.To improve radio reception: For FM, extend, incline and turn the telescopicaerial. Reduce its length if the signal is too strong. For MW, the set uses a built-in aerial. Direct thisaerial by turning the whole set.Programming radio stationsYou can store up