Philips-AX2301-cd-sm 电路图 维修手册.pdf

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1、PRODUCT FAMILY 2004 CDDA 2 SERIES Handling chip components .1-1 Technical specification .2-1 Measuring setup.2-1 Connections and controls.2-2 Instruction for use.2-3.2-4 Accessories .3-1 Service tools.3-1 Blockdiagram - Set .4-1 Block diagram - Intergrated Circuits.4-2.4-6 Circuit diagrams Control p

2、art .5-1 Supply / Servo part.5-2 CD / Audio part.5-3 Layout diagrams Componentside view.5-4 Copperside view.5-5 Keyboard Circuit diagram.6-1 Layout diagram .6-1 Exploded view .7-1 Mechanical partslist.7-1 Electrical partslist.8-1 ?3140 785 32850Published by LX 0406 Service Audio Printed in The Nethe

3、rlands Subject to modification Portable Compact Disc Player CLASS 1 LASER PRODUCT AX2301 all versions TABLE OF CONTENTS Copyright 2004 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or tran

4、smitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. AX2300 Version 1.0 RadioFans.CN 收音机爱 好者资料库 1-1 HANDLING CHIP COMPONENTS WARNING All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD). C

5、areless handling during repair can reduce life drastically. When repairing, make sure that you are connected with the same potential as the mass of the set via a wristband with resistance. Keep components and tools at this potential. f ATTENTION Tous les IC et beaucoup dautres semi-conducteurs sont

6、sensibles aux dcharges statiques (ESD). Leur longvite pourrait tre considrablement courte par le fait quaucune prcaution nst prise leur manipulation. Lors de rparations, sassurer de bien tre reli au mme potentiel que la masse de lappareil et enfileer le bracelet serti dune rsistance de scurit. Veill

7、er ce que les composants ainsi que les outils que lon utilise soient galement ce potentiel. d WARNUNG Alle ICs und viele andere Halbleiter sind empfindlich gegenber elektrostatischen Entladungen (ESD). Unsorgfltige Behandlung im Reparaturfall kann die Lebensdauer drastisch reduzieren. Sorgen Sie daf

8、r, da Sie im Reparaturfall ber ein Puls- armband mit Widerstand mit dem Massepotential des Gertes verbunden sind. Halten Sie Bauteile und Hilfsmittel ebenfalls auf diesem Potential. WAARSCHUWING Alle ICs en vele andere halfgeleiders zijn gevoelig voor electrostatische ontladingen (ESD). Onzorgvuldig

9、 behandelen tijdens reparatie kan de levensduur drastisch doen vermindern. Zorg ervoor dat u tijdens reparatie via een polsband met weerstand verbonden bent met hetzelfde potentiaal als de massa van het apparaat. Houd componenten en hulpmiddelen ook op ditzelfde potentiaal. i AVVERTIMENTO Tutti IC e

10、 parecchi semi-conduttori sono sensibili alle scariche statiche (ESD). La loro longevit potrebbe essere fortemente ridatta in caso di non osservazione della pi grande cauzione alla loro manipolazione. Durante le riparationi occorre quindi essere collegato allo stesso potenziale che quello della mass

11、a delpparecchio tramite un braccialetto a resistenza. Assicurarsi che i componenti e anche gli utensili con quali si lavora siano anche a questo potenziale. Safety regulations require that the set be restored to its original condition and that parts which are identical with those specified be used.

12、Safety components are marked by the symbol i Le norme di sicurezza estigono che lapparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambiago identici a quelli specificati. Componenty di sicurezza sono marcati con Veiligheidsbepalingen vereisen, dat het apparaat

13、in zijn oorspronkeliijke toestand wordt teruggebracht en dat onderdelen, identiek aan de gespecificeerde, worden toegepast. De Veiligheidsonderdelen zijn aangeduid met het symbool s Varning ! Osynlig laserstrlning nr apparaten r ppnad och sprren r urkopplad. Betrakta ej strlen. Advarsel ! Usynlig la

14、serstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. Varoitus ! Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiina nkymttmlle laseristeilylle. l katso steeseen ! f Pour votre scurite, ces documents doivent tre utiliss par des spcialistes agrs,

15、seuls habilits rparer votre appareil en panne. ESD SAFETY d Bei jeder Reparatur sind die geltenden Sicherheitsvor- schriften zu beachten. Der Originalzustand des Gertes darf nicht verndert werden. Fr Reparaturen sind Original- ersatzteile zu verwenden. Sicherheitsbauteile sind durch das Symbol marki

16、ert. f Les normes de scurit exigent que lappareil soit remis ltat dorigine et que soient utilises les pices de rechange identiques celles spcifies. Les composants de scurit sont marqus CLASS 1 LASER PRODUCT DANGER: Invisible laser radiation when open. After servicing and before returning the set to

17、customer perform a leakage current measurement test from all exposed metal parts to earth ground, to assure no shock 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 1-2 TECHNICAL SPECIFICATION General Dimensions (WxHxD): 128x31x141 mm

18、Weight without batteries: 205 g Power supply modes DC-in socket: 2.5 - 6.0V Primary batteries (2xLR6): 1.8 - 3.6V Rechargable batteries : 1.8 - 3.6V Battery lifetime Battery level detection Battery empty: 1.9V nom. +100/-100 mV Current consumption CDDA-playback Shock resistance +X/-X direction: 5 g

19、+Y/-Y direction: 5 g +Z/-Z direction: up to 10 g Headphone out (measured with 16 load, DBB/ESP off) Output power (THD=10%): 2x4.5mW (+1/-3dB) Frequency response (1mW): 100Hz-20kHz within 6dB S/N ratio (unwght): 78dB (81dB typ.) S/N ratio (A-wght): 82dB (84dB typ.) THD+N (1kHz, 1mW): 1% (0.2% typ.) C

20、hannel crosstalk (1kHz, no load): 33dB (33dB typ.) Channel unbalance (-40dB): 4dB Volume attenuation (1kHz): 60dB Dynamic Bass Boost DBB Laser Output power: 5mW (3mW typ.) Wavelength: 780nm Measurement setup Use Audio Signal disc SBC4294822 397 30184 Low pass filterDUTS/N and distortion meter L R i.

21、e. Sennheiser UPM550 with FF-filter Level meter i.e. Sound Technology ST1700Bi.e. 4822 395 30204 22kHz 13th order EGATSBBD esnopserycneuqerF zHk36zHk1zHk01 DBBBd5+Bd2Bd0Bd2Bd0Bd2 EDOMNOITAREPO)V5.4(YLPPUSN I - CD)V52.2(YLPPUS.TTAB edom-y a l P.p y t Am0130 edom-pmuJ.p y t Am160 .p y t Am0160 .p y t

22、Am200 yb-dnatS n.a.n.a. EPYTYRETTAB h4 ) . p y t h6( h14 ) . p y t h18( Normal Carbon batteries 2 x R6 Normal Alkalite batteries 2 x LR6 RadioFans.CN 收音机爱 好者资料库 2-1 1 # $ 1 OPE N VOL E OFF R SUME HOLD O UT L INE / ! 5 67 48 3 2 0 9 CLASS 1 LASER PRODUCT 4 4 9 2. 1. OPE N VOL E OFF R SUME HOLD O UT L

23、 INE / 4HOLD OFF5PLAY6VOL E / 9 E / 4 4 9 OPE N VOL O UTNE / 3# OPE N VOL O UTNE / 9 OPE N VOL ! 4 4 9 E OFF RSUME HOLD L INE / O UT OPE N VOL 4 4 9 E OFF RSUME HOLD L INE / O UT OPE N VOL 4 4 9 E OFF RSUME HOLD L INE / O UT 2p1 QUICKSTARTMISE EN SERVICE RAPIDE EnglishCONTROLS / POWER SUPPLY 1 OPEN

24、2.opens the CD lid 2 .skips and searches CD tracks backwards 3 .skips and searches CD tracks forwards 4 DBB.switches the bass enhancement on and off. This button also switches acoustic feedback (the beep) on/off when it is pressed for more than 2 seconds 5 PROG.programs tracks and reviews the progra

25、m 6 .display 7 MODE.selects the different playing possibilities: SHUFFLE, SHUFFLE REPEAT ALL, REPEAT, REPEAT ALLand SCAN 8 9.stops CD play, clears a program or switches the player off 9 2;.switches the player on, starts or pauses CD play 0 RESUME.stores the last position of a CD track played HOLD.lo

26、cks all buttons OFF.switches RESUME and HOLD off ! LINE OUT/p.3.5 mm headphone socket, socket to connect the player to another audio input of an additional appliance. VOL E .adjusts the volume # 4.5V DC.socket for external power supply $ .type plate CAUTION Use of controls or adjustments or performa

27、nce of procedures other than herein may result in hazardous radiation exposure. Batteries (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 Phili

28、ps). Notes: Old and new or different types of batteries should not be combined. Remove batteries if they are empty or if the player is not going to be used for a long time. Inserting batteries 1 Push OPEN 2 to open the CD lid. 2 Open the battery compartment and insert either 2 normal or alkaline bat

29、teries. Battery indication The approximate power level of your batteries is shown in the display. Battery full Battery two-thirds full Battery one-third full Battery dead or empty.When the batteries are dead or empty, the symbol A flashes, bAtt is displayed, and the beep tone sounds repeatedly. Batt

30、eries contain chemical substances, so they should be disposed of properly. CONNECTIONS AND CONTROLS 2-2 POWER SUPPLY / GENERAL INFORMATION Use only the AY 3170 adapter (4.5 V / 300 mA direct current, positive pole to the center pin). Any other product may damage the player. 1 Make sure the local vol

31、tage corresponds to the power adapters voltage. 2 Connect the power adapter to the 4.5V DC socket of the player and to the wall socket. Note: Always disconnect the adapter when you are not using it. Environmental information All redundant packing material has been omitted. We have done our utmost to

32、 make the packaging easily separable into two materials: cardboard (box) and polyethylene (bags, protective foam sheet). Your set consists of materials which can be recycled if disassembled by a specialized company. Please observe the local regulations regarding the disposal of packing materials, ex

33、hausted batteries and old equipment. C LASER P This product complies with the radio interference requirements of the European Union. Do not touch the lens A of the CD player. Do not expose the unit, batteries or CDs to humidity, rain, sand or excessive heat (caused by heating equipment or direct sun

34、light). You can clean the CD player with a soft, slightly dampened, lint-free cloth. Do not use any cleaning agents as they may have a corrosive effect. To clean the CD, wipe it in a straight line from the center toward the edge using a soft, lint-free cloth. A cleaning agent may damage the disc! Ne

35、ver write on a 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 is not possible then. Leave the CD player in a warm environment until the mois- ture has evaporated. Active mobile phones in the vicinity of the CD play

36、er may cause malfunctions. Avoid dropping the unit as this may cause damage. Headphones HE 035 Connect the supplied headphones to the LINE OUT/p jack of the player. Note:LINE OUT/pcan also be used for connecting this set to your HiFi system.To adjust the sound and volume, use the controls on the con

37、nected audio equipment and on the CD player. IMPORTANT! Hearing safety: Do not play your headphones at a high vol- ume. Hearing experts advise that continuous use at high volume can permanently dam- age your hearing. Traffic safety: Do not use headphones while driving a vehicle. It may create a haza

38、rd and it is illegal in many countries. Even if your headphones are an open-air type designed to let you hear outside sounds, do not turn up the volume so high that you cannot hear what is going on around you. VO L E OFF RSUME HOLD O UT L INE / GENERAL INFORMATION / CD PLAY Only use the AY 3545 (482

39、2 219 10033) or AY 3548 (3140 118 71890) car voltage converter (4.5 V DC, positive pole to the centre pin) and the AY 3501 car adapter cassette. Any other product may damage the set. 1Put the set on a horizontal, vibration-free and stable surface. Make sure it is in a safe place, where the set is ne

40、ither a danger nor an obstacle to the driver and the passengers. 2Plug the voltage converter into the cigarette lighter socket(only for 12 V car battery, negative grounding),then connect the wired end with 4.5V DC input socket on the set. 3If necessary, clean the cigarette lighter socket to obtain a

41、 good electrical contact. 4Turn down the volume and connect the cassette adapter plug to LINE OUT/p on the set. 5Carefully insert the cassette adapter into the car radios cassette compartment. 6Make sure the cord does not hinder your driving. 7Decease the volume on the set, if necessary. Start playb

42、ack on the set and adjust the sound with the car radio controls. Always remove the voltage converter from the cigarette lighter socket when the set is not in use. Note: If your car radio has a LINE IN socket , it is better to use it for the car radio connection instead of the cassette adapter. Conne

43、ct the signal lead to this LINE IN socket and toLINE OUT/pon the set. 4,5 V DC 12 V DC OPE N VOL E OFF RSUME HOLD O UT L INE / 4 4 9 This CD-player can play all kinds of Audio Discs such as CD-Recordables and CD-Rewritables. Do not try to play a CD-ROM, CDi, VCD, DVD or computer CD. 1 Push the OPEN

44、2slider to open the player. 2 Insert an audio CD, printed side up, by pressing the CD onto the hub. 3 Close the player by pressing the lid down. 4 Press 2; to switch the player on and start playback. yThe current track number and elapsed playing time are displayed. You can pause playback by pressing

45、 2;. yThe time at which playback was paused starts flashing. You can continue playback by pressing 2; again. 5 Press 9 to stop playback. yThe total number of tracks and the total playing time 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 the hub gently while lifting the CD.