Philips-AZ-4000-Service-Manual(1) 电路图 维修手册.pdf

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1、Handling chip components .1-1 Technical specification.1-2 Service tools.1-2 Service measurement setup.1-3 Connections and controls.2-1.2-2 Disassembly diagram .3-1 Service Test Program.4-1 Pin description of ICs.4-2.4-3 Set block diagram.5-1 Set wiring diagram.5-2 FRONT BOARD circuit diagram .6-1 la

2、yout diagram.6-1 LCD / KEY BOARD circuit diagram .7-1 layout diagram.7-2 TUNER BOARD circuit diagram .8-1 layout diagram.8-2 tuner adjustment table.8-2 CD99/MP3 BOARD circuit diagram I .9-1 circuit diagram II .9-3 layout diagram.9-4 MP3 DECODER BOARD circuit diagram .10-1 layout diagram.10-2 AUDIO B

3、OARD circuit diagram.11-1.11-2 layout diagram.11-3.11-4 OTHER BOARDS Volume board .12-1 CD Key board.12-2 Power key board.12-2 FM ant board .12-3 headphone jack board.12-3 Exploded view.13-1 Mechanical partslist.13-2 Electrical partslist.14-1.14-15 3140 785 22740Published by YT 0209 Service Audio Pr

4、inted in The Netherlands Subject to modification ? MP3-CD Soundmachine CLASS 1? LASER PRODUCT AZ4000 all versions TABLE OF CONTENTS Copyright 2001 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be reproduced, stored in a retrieval sy

5、stem or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. RadioFans.CN 收音机爱 好者资料库 HANDLING CHIP COMPONENTS WARNING All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD). Careless han

6、dling 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 sensibles a

7、ux 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. Veiller ce que l

8、es 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 dafr, da Sie i

9、m 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 behandelen

10、 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 parecchi s

11、emi-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 massa delpparec

12、chio 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. Safety comp

13、onents 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 in zijn oor

14、spronkeliijke 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 laserstrling

15、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, seuls habil

16、its 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 markiert. f Les

17、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 customer pe

18、rform 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. 1-1 RadioFans.CN 收音机爱 好者资料库 SPECIFICATIONS GENERAL Mains voltage-/00 : 230 V -/01/11 -/01/11 : 120 / 230

19、V -/17 : 120 V Mains frequency-/00 : 50 Hz : 50 / 60 Hz -/17 : 60 Hz Batterymains : 12 V (R20 x 8) remote : 3 V (R6 x 2) Power consumption: 35 W Dimension (W x H x D): 520 x 160 x 296 mm Weight: 5.7 Kg AMPLIFIER Output powermains : 2 x 6.5 W battery : 2 x 6.5 W Speaker impedance: 2 x 8 ohm, 16W Woof

20、er 2 x 6 ohm, 8W Tweeter Frequency response: 100 Hz - 10 kHz (3dB) Treble control: +8 / -14 dB 10 kHz Bass control: +10 /-10 db 100 Hz COMPACT DISC Frequency response: 20 Hz - 20 kHz S/N ratio: 60 dB Distortion: 0.2% Channel difference 1 kHz 1 kHz : 2 dB Channel crosstalk1 kHz : 40 dB Laser waveleng

21、th: 780 20 nm Laser light power: 0.3 mW SPECIFICATIONS TUNER - FM SECTION Tuning range: 87.5 - 108 MHz IF frequency: 10.7 MHz 0.03 MHz Sensitivity: 18 dB at 26dB S/N Selectivity: 24 dB at 300kHz IF rejection: 85 dB Image rejection: 24 dB TUNER - AM SECTION Tuning rangeMW : 531 - 1602 kHz -/17 : 530

22、- 1700 kHz LW : 153 - 279 kHz Sensitivity MW : 3200 V/m at 26dB S/N LW : 5500 V/m at 26dB S/N Selectivity MW : 22 dB LW : 29 dB IF rejectionMW : 60 dB LW : 60 dB Image rejectionMW : 32 dB LW : 38 dB 1-2 SERVICE TOOLS Audio signal disc SBC 429.4822 397 30184 Playability test disc SBC 444.4822 397 302

23、45 Test disc 5(disc without errors ) + Test disc 5A (disc with dropout errors, black spots and fingerprints) SBC 426/426A.4822 397 30096 Burn in test disc (65 min. 1kHz signal at -30 dB level without “pause”).4822 397 30155 anti-static table matlarge 1200 x650 x1.25mm !4822 466 10953 small 600 x650

24、x1.25m!4822 466 10958 anti-static wristband4822 395 10223 connection box (3 press stud connections, 1M)!4822 320 11307 extendible cable (2m, 2M, to connect wristband to connection box)!4822 320 11305 connecting cable (3m, 2M, to connect table mat to connection box)!4822 320 11306 earth cable (1M, to

25、 connect any product to mat or to connection box)!4822 320 11308 KIT ESD3 (combining all 6 prior products - small table mat)!4822 310 10671 wristband tester4822 344 13999 AVAILABLE ESD PROTECTION EQUIPMENT RadioFans.CN 收音机爱 好者资料库 1-3 SERVICE MEASUREMENT Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Vo

26、ltmeter e.g. PM2534 DUT RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Tuner SW To avoid atmospheric 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,

27、100Hz). Ri=50 Aerial replacement Capacitor R=50 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 interference all AM-measurements have to be carried out

28、in a Faradays cage. RF Generator e.g. PM5326 Ri=50 Low pass filter 22kHz L R LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B DUT CD Use Audio Signal Disc SBC429 4822 397 30184 (replaces test disc 3) L.P.F. = 13 th order filter 4822 395 30204 2

29、-1 CONTROLS all PROGRAMCD MODESLEEPDISPLA YSEARCHPRESET/ ALBUM ULTRA BA SS MP3-CD PLAYBACK IR SENSOR BAND 214390657 8!# TUNER: programs tuner stations 11 PRESET / ALBUM -,+ MP3 only: selects previous/next album TUNER: selects a previous/next preset station 12 Telescopic aerial to improve FM receptio

30、n 13 SEARCH , MP3-CD/ CD: fast searches backwards, forwards within a track; skips to previous/ next track TUNER: tunes radio (manually: down, up); automatic search tuning (down, up) 14 PLAYPAUSE 2; starts or pauses MP3-CD/ CD playback 15 STOP 9 stops MP3-CD/ CD playback; erases a MP3-CD/ CD program

31、16 SLEEP selects SLEEP function and adjusts the SLEEP time 17 DISPLAY MP3-CD: shows various text and time information during playback TUNER: displays tuner information 18 IR SENSOR infrared for remote control Back starts MP3-CD/ CD playback pauses MP3-CD/ CD playback 7SEARCH 5, 6 search within MP3-C

32、D/ CD track 8BAND selects FM/ MW (AM)/ LW (some versions only) waveband 9PRESET +, - (up, down) MP3-CD: selects an album TUNER: selects a preset radio station 10 TUNING , (down, up) tunes to tuner stations 11 TUNER selects tuner sound source 12 9 stops MP3-CD/ CD playback; erases a MP3-CD/ CD progra

33、m 13 , skips to the beginning of a current track previous/ subsequent track 14 MUTE interrupts/ resumes sound 15 REPEAT repeats a track/ program/ entire MP3-CD/ CD 12 3% B CD VOLUME SEARCH PRESET TUNING DIGITAL REMOTE CONTROL BAND TUNER REPEAT MUTE BASS SHUFFLE 3 4 $ # ! 0 4 5 7 6 8 9 For more infor

34、mation on operation instruction please visit Philips Audio internet site : CONTROLS 4)( 4 - 14 - 1 DISASSEMBLY DIAGRAM (11x) 6 8(10 x) (3x)8 1A 1B 1B 1C 1A 3x16 - 13 pcs 3x10 - 11 pcs C. Remove screws B. Remove screws 1. TO REMOVE TOP CABINET ASSEMBLY A. Remove door-battery (433) and cover-bottom (5

35、07) 8 6 (8x) 6 6 (6x)3 3 (6x)4 4 3x10 - 8 pcs 2.5x10 - 6 pcs 2x10 - 6 pcs 2. TO REMOVE FRONT PANEL ASSEMBLY C. Remove screws B. Remove screws A. Remove screws 2A 2C 2B (6x)6 (3x)6 11(4x) 3. TO REMOVE VAM2201/03 A. Remove screws B. Remove screws C. Remove screws 6 6 3x10 - 6 pcs 3x10 - 3 pcs CP/W2.5x

36、10 - 4 pcs! 3A 3B 3C or remove top cabinet(406) 16x)( 4. TO DISASSEMBLY BOTTOM CABINET ASSY A. Remove screws 7 3x12 - 16 pcs 7 4A 4 - 24 - 2 STOP button pressed in any step returns to begin of Service Testprogram. SLEEP button pressed? STOP button pressed? STOP button pressed? N N Y Y Y Y N Display

37、shows all segments and flags for checking open circuits. see figure 1 Display shows figure 2. DISPLAY TEST CD SERVO TEST Display shows version number of the P - software. CD MODE button pressed? Display shows PLAY button pressed? NEXT button pressed? PREV button pressed? PRESET-UP button pressed? Sl

38、ide moves outside as long as button is held depressed. Slide moves inside as long as button is held depressed. Display shows: Disc motor turns clockwise as long as button is held depressed. SLEEP button pressed? Y YY Y N NNN PRESET-DN button pressed? Disc motor turns counter clockwise as long as but

39、ton is held depressed. Y N FOCUS found? Y N Display shows objective moves up this pin should be tied LOW CL162616.9344 MHz system clock output DATA27serial d4(1)ata output (3-state) WCLK28word clock output (3-state) SCLK29serial bit clock output (3-state) EF30C2 error flag output (3-state) TEST231te

40、st control input 2; this pin should be tied LOW KILL32kill output (programmable; open-drain) VSSD1 33(1)digital ground 2 V2/V334versatile I/O: input versatile pin 2 or output versatile pin 3 (open-drain) WCLI35word clock iutput (for data loopback to DAC) SDI36serial data input (for data loopback to

41、DAC) SCLI37serial bit clock input (for data loopback to DAC) RESET38power-on reset input (active LOW) SDA39microcontroller interface data I/O line (open-drain output) SCL40microcontroller interface clock line input Abbreviations and Pin-description of CD Ics SERVO PROCESSOR SAA7325H SYMBOLPINDESCRIPTION RAB41microcontroller interface R/W and load control line input (4-wire bus mode) SILD42microcontroller interface R/W and load control line input (4-wire bus mode) STATUS43servo interrupt request line/decoder status register o