Philips-AZ-3811-Service-Manual(1) 电路图 维修手册.pdf

《Philips-AZ-3811-Service-Manual(1) 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Philips-AZ-3811-Service-Manual(1) 电路图 维修手册.pdf（28页珍藏版）》请在收音机爱好者资料库上搜索。

1、Version 1.1 AZ3811 3141 785 36371 MP3/WMA-CD 5W CD Soundmachine /55/78/61 Published by SW 1121 Service Audio Subject to modification Copyright 2011 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be reproduced, stored in a retrieval s

2、ystem or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. CONTENTS Technical specification and disassemble diagram .1 Service and safety instructions.2 Block diagram .3-1 Wiring diagram .4-1 Main+Radio+Rectifier boa

3、rd Circuit diagram .5-1.5-3 Layout diagram .5-4.5-5 Display board Circuit diagram .6-1 Layout diagram .6-2 Exploded view diagram .7-1 Revision list .8-1 RadioFans.CN 收音机爱 好者资料库 DEPICTIONPos 3 5 DescriptionPage 1STOP KEY 2TUNING KEY - MODE KEY ALBUM KEY - 4PROG KEY 5 7 9 11 MODE KEY 6LCD LENS DSC KEY

4、 10PLAY KEY VOLUME KNOB 8DBB KEY TUNING KEY + 13SPEAKER GRILL(L) 14SOURCE KNOB 12ALBUM KEY + 15CASSETTE DOOR 16USB SOCKET 17SPEAKER GRILL(R) Battery location 8 x 1.5V “D-CELL” (UM1) R20 or equivalent Dimensions without Boxes (W x H x D): Weight (including packing):. xxxKg CABINET Dimensions with Box

5、es (W x H x D): Material: Finishing: Spray Unit in Master carton: N/A Weight (excluding packing and batteries):xxxKgWeight (excluding packing and batteries): xxxKg Units in Dealer carton: 1 set Remark : FRONT PANEL SPECICFICATION Class No AZ3811 Issued Date 1/11/2011 1/11/2011 SH 190 - 1 2011-01-11

6、A4NAME : Mo Lam Kei8SH 190 1A4 KTCHECK CMT NAME : Mo Lam Kei8 RadioFans.CN 收音机爱 好者资料库 USBCD GENERAL DESCRIPTION CDSM with Tuner , CD, USB Aux In, Headphone LIFETIME : 5 Years ClassTunerSupply + AmplifierLoudspeaker Boxes XX Recorder XX II I III ALL climates: - 10 Dregree till + 50 Degree RADIATION /

7、 IMMUNITY requirments ( EMC ) CLIMATIC requirements Refer to the section of Version Overview PERFORMANCE CLASSES POWER SUPPLY MAINS ( A.C. )120/230Vac 15%230 Vac 10 %120V+/-15%220V-10%,240+10%99-146V, 196-264Vac Vi97 / 98/12/96 Refer to the section of Version Overview SAFETY requirements 55 / 77 / 7

8、8/73Version97 / 98/12/96 Voltage SelectionYesNoNo Frequency60 / 50Hz50 Hz60 Hz ECO Power mode :N/A 1/8 Prated , NOM. A, INPUT Class No GENERAL PART 1 - GENERAL SPECICFICATION 1/11/2011 AZ3811 Issued Date A4 1/11/2011 2011-01-11 CMT NAME : Mo Lam Kei KTCHECK 8SH 190 - 4 Remarks : 14W DC operation / B

9、ackup Buffer R20 (UM1 / D-cell) x 6 (9V normal, 6.3V limit) 55 / 77 / 78 Yes 60 / 50Hz /73 No 50 Hz Battery type : Maximum : ( DEMO mode OFF ) , NOM. A, INPUT Standby : DC operation / Backup Buffer POWER CONSUMER MAINS ( A.C. ) RadioFans.CN 收音机爱 好者资料库 N.A TECHNIAL DESCRIPTION 2 x 2W matching LOUDSPE

10、AKER of 2 x 8R. One INPUT SOURCE GENERAL PART N.A N.A N.A Standby Mode Indicator : LCD display off ECO Mode Indiicator : NA ELECTRICAL DATA DBBYesHum ( Volume Minimun ) DSC :NA OUTPUT stage Protection : Yes Temperature : YES Shorcircuit : Yes . INDICATORS SIS :N/AResidual Noise ( Volume Minium )0.06

11、 0.5uW WOOX : N/A uW VAC :N/A Headphone AUX 500mVDigital Coaxial Out Subwoofer Out INTERCONNECTS Input Sensitity ( dB ) rated ouput power at 1 kHzLine Output Voltage ( *1 ) -6 dB track (Audio Disc 1 ,Trk 35Booster Out USB Tuner FM 67.5KHZ,AM80% Modulation(Limit :-6db)Line Out ( Left / Right ) CD -6

12、dB track (Audio Disc 1 ,Trk 35 -6 dB track (Copy from Audio Disc 1 ,Trk 35) 15 mW - 2 dB , at R Load = 32 ohm max volume, 0dB, 1kHz CD Microphone 3 : 2.5W, 1 Channels (Lim: -1dB) ( At Cold Condition with 10% THD ) OUTPUT POWER ( * 1 ) At THD = 10% , 1KHz sinewave Main Operation ( At 500mW Output in

13、flat Mode) LOUDSPEAKER ( BOXES ) DC Operation : .2.5W, 1 Channels (Lim: -1dB) Frequency Response: 125Hz - 14KHz with rated input signal in AUX mode; with DBB OFF Rated Impedance Left / Right : 8 Ohms at 125Hz to 16KHz GENERAL PART 1 - TECHNAICAL SPECICFICATION Remarks ( *1 ) Electrical parameters ar

14、e to be measuremend at specker terminals across 8 Ohm load ( pure resistor ) A4 1/11/2011 1/11/2011 Issued Date CMT NAME : Mo Lam Kei KTCHECK 8SH 190 - 5 2011-01-11 AZ3811 Class No Remarks Time Setting: NA Timer Wakeup Mode: NA TECHNIAL DESCRIPTION CLOCK PART Timer Setting: NA INDICATORS No of Timer

15、 Settings CD PART Display Type: LCD : NA Clock Accuracy: NA Volume at Wakeup: NA THD (1kHz): 1.5%(Lim 2.0%) Channel Unbalance (250 to 10k Hz): = 1V/m RF = a26 to 1V/m +/- 1 0 Wave Range Noise Limited Sensitivity 26 dBImage RejectionIF Rejection Lim.-2250 dBf2455 dBf -18 120 dBuV/m AM / MW Nom.-64 FM

16、 Nom. 3228 20 Lim.-72dBuV/m2824114 dBuV/m dBuV/m dBdB Remarks TUNER SPECICFICATION Class No AZ3811 Issued Date CMT NAME : Mo Lam Kei 8 1/11/2011 1/11/2011 A4 KTCHECK SH 190 - 7 2011-01-11 Search Time60 Sec. Search Time60 Sec. 130dBf 125dBf Large Signal 1a1b1c 1 、 Disassemble botttom cabinet remove t

17、he bottom cabinet disassemble six 3 x 12 PB screws from the top cabinet disassemble two 3 x 8 PB screws on bottom cabinet remove the bottom cabinet and unplug the 2pin cable between Main BD and power BD screws from the top cabinet disassemble two 3 x 8 PB screws on bottom cabinet and unplug the 2pin

18、 cable between Main BD and power BD 2a2b2c 2、 Disassemble front cabinet 2a2b2c disassemble the four 3 x 8 PB screws which connect top cabinet and front cabinet unplug 4pin speaker cable and 10pin FFC cable sperate top cabinet and PB screws which connect top cabinet and front cabinet unplug 4pin spea

19、ker cable and 10pin FFC cable sperate top cabinet and front cabinet p pull 3-a 3-b 3-c 3A、 Disassemble Main BD disassemble the five 2.6 x 8 PB screws on Main BD unplug the 4pin cable,2pin open-close cable,4pin cable to radio BD and 6pin cable to CD Deck on Main BD remove volumn knob and get outget o

20、ut Main BD 3BDisassemble radio BD and CD deck 3-d 3-e 3-f 3B、 Disassemble radio BD and CD deck diblthf2 68 PWA disassemble the two 2.6 x 8 PB screws on radio BD,unplug FM ANT unplug tunning knob and get out disassemble the four 2.6 x 8 PWA screws on CD deck and get out CD deck disassemble the two 2.

21、6 x 8 PB screws on radio BD,unplug FM ANT cable unplug tunning knob and get out the radio BD screws on CD deck and get out CD deck the radio BD 3-g 3C、 Disassemble CD door take out CD door spring first pull out CD door when goring the CD door buckle with a screwdriver 2-1 LF Generator e.g. PM5110 Re

22、corder Use Universal Test Cassette CrO2SBC419 4822 397 30069 LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion mete e.g. Sound Technology ST170 L R DUT or Universal Test Cassette FeSBC420 4822 397 30071 LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g

23、. Sound Technology ST1700B L R DUT CD Use Audio Signal Disc (replaces test disc 3) SBC429 4822 397 30184 Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT S/N and distortion meter e.g. Sound Technology ST1700B Frame aerial e.g. 7122 707 89001 Tuner AM (MW,LW) To avoid atmospheric

24、 interference 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). RF Generator e.g. PM5326 Ri=50? Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT RF Generator e.g. PM532

25、6 S/N and distortion meter e.g. Sound Technology ST1700B Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Ri=50? Tuner FM MEASUREMENT SETUP Set remains closed! N Y Play a CD for at least 10 minutes Y playability ok ? N playability ok ? add Info

26、for customer SET OK check playability N Y playability ok ? check playability check playability return set Customer complaint CD related problem fast lens cleaning 1 2 3 For flap loaders (= access to CD drive possible) cleaning method 4 is recommended INSTRUCTIONS ON CD PLAYABILITY 2 - 2 Exchange CDM

27、 1- 4 For description - see following pages 1 PLAYABILITY CHECK For sets which are compatible with CD-RW discs use CD-RW Printed Audio Disc.7104 099 96611 TR 3 (Fingerprint) TR 8 (600 Black dot) maximum at 01:00 playback of these two tracks without audible disturbance playing time for: Fingerprint10

28、seconds Black dot from 00:50 to 01:10 jump forward/backward (search) within a reasonable time For all other sets use CD-DA SBC 444A.4822 397 30245 TR 14 (600 Black dot) maximum at 01:15 TR 19 (Fingerprint) TR 10 (1000 wedge) playback of all these tracks without audible disturbance playing time for:

29、1000 wedge10seconds Fingerprint10seconds Black dot from 01:05 to 01:25 jump forward/backward (search) within a reasonable time 2 CUSTOMER INFORMATION It is proposed to add an addendum sheet to the set which informs the customer that the set has been checked carefully - but no fault was found. The pr

30、oblem was obviously caused by a scratched, dirty or copy-protected CD. In case problems remain, the customer is requested to contact the workshop directly. The lens cleaning (method 3) should be mentioned in the addendum sheet. The final wording in national language as well as the printing is under

31、responsibility of the Regional Service Organizations. 4 LIQUID LENS CLEANING Because the material of the lens is synthetic and coated with a special anti-reflectivity layer, cleaning must be done with a non-aggressive cleaning fluid. It is advised to use “Cleaning Solvent The actuator is a very prec

32、ise mechanical component and may not be damaged in order to guarantee its full function. Clean the lens gently (dont press too hard) with a soft and clean cotton bud moistened with the special lens cleaner. The direction of cleaning must be in the way as indicated in the picture below. Before touchi

33、ng the lens it is advised to clean the surface of the lens by blowing clean air over it. This to avoid that little particles make scratches on the lens. INSTRUCTIONS ON CD PLAYABILITY 2 - 3 2.0 SAFTETY INSTRUCTIONS GBWARNING All ICs and many other semi-conductors are susceptible to electrostatic dis

34、charges (ESD). Careless 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 wrist wrap with resistance. Keep components and tools also at this potential. F ATTENTION Tous les IC et beaucoup dautres

35、semi-conducteurs sont sensibles aux dcharges statiques (ESD). Leur longvit pourrait tre considrablement courte par le fait quaucune prcaution nest prise leur manipulation. Lors de rparations, sassurer de bien tre reli au mme potentiel que la masse de lappareil et enfiler le bracelet serti dune rsist

36、ance de scurit. Veiller ce que les composants ainsi que les outils que lon utilise soient galement ce potentiel. ESD DWARNUNG Alle ICs und viele andere Halbleiter sind empfindlich gegenber elektrostatischen Entladungen (ESD). Unsorgfltige Behandlung im Reparaturfall kan die Lebensdauer drastisch red

37、uzieren. Veranlassen Sie, dass Sie im Reparaturfall ber ein Pulsarmband mit Widerstand verbunden sind mit dem gleichen Potential wie die Masse des Gertes. Bauteile und Hilfsmittel auch auf dieses gleiche Potential halten. NLWAARSCHUWING Alle ICs en vele andere halfgeleiders zijn gevoelig voor electr

38、ostatische ontladingen (ESD). Onzorgvuldig behandelen tijdens reparatie kan de levensduur drastisch doen verminderen. 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 ditz

39、elfde potentiaal. IAVVERTIMENTO Tutti IC e 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 riparazioni occorre quindi essere collegato al

40、lo stesso potenziale che quello della massa dellapparecchio tramite un braccialetto a resistenza. Assicurarsi che i componenti e anche gli utensili con quali si lavora siano anche a questo potenziale. “Pour votre scurit, ces documents doivent tre utiliss par des spcia- listes agrs, seuls habilits rp

41、arer votre appareil en panne”. GB Safety regulations require that the set be restored to its original condition and that parts which are identical with those specified, be used. NL Veiligheidsbepalingen vereisen, dat het apparaat bij reparatie in zijn oorspronkelijke toestand wordt teruggebracht en

42、dat onderdelen, identiek aan de gespecificeerde, worden toegepast. F Les normes de scurit exigent que lappareil soit remis ltat dorigine et que soient utiliss les pices de rechange identiques celles spcifies. D Bei jeder Reparatur sind die geltenden Sicherheitsvorschriften zu beachten. Der Original

43、zustand des Gerts darf nicht verndert werden; fr Reparaturen sind Original-Ersatzteile zu verwenden. I Le norme di sicurezza esigono che lapparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambio identici a quelli specificati. After servicing and before returnin

44、g set to customer perform a leakage current measurement test from all exposed metal parts to earth ground to assure no shock hazard exist. The leakage current must not exceed 0.5mA. CLASS 1 LASER PRODUCT 3122 110 03420 GBWarning ! Invisible laser radiation when open. Avoid direct exposure to beam. S

45、Varning ! Osynlig laserstrlning nr apparaten r ppnad och sprren r urkopplad. Betrakta ej strlen. SFVaroitus ! Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiina nkymttmlle laseristeilylle. l katso steeseen! DKAdvarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af fu

46、nktion. Undg udsaettelse for strling. Caution: These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. 2-4 When?the?power?supply?is?being?turned?on,?you?may?not?remove?this?laser?cautions?label.?If?it?removes,?radiation?of?laser may?be?rece