Philips-MC-160-Service-Manual(1) 电路图 维修手册.pdf

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1、version1.0 MC160 3140 785 32930 ?Service ManualService Manual Micro System all versions Published by LX 0416 Service Audio Printed in The Netherlands Subject to modification Copyright 2004 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication m

2、ay be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. Handling chip components .1-1 Technical specification.2-1 Service tools.2-1 Service measurement setup.2-2 Connection

3、s and controls.3-1 Instructions for use.3-2.3-7 Disassembly diagram .4-1 Service Test Program.4-2 Pin description of ICs.4-3.4-4 Set block diagram.5-1 Set wiring diagram.5-2 LED BOARD circuit diagram .6-1 layout diagram.6-1 TUNER BOARD (ECO6 cenelec) circuit diagram .7-1 layout diagram.7-2 tuner adj

4、ustment table.7-2 TUNER BOARD (ECO6 non cenelec) circuit diagram .7-3 layout diagram.7-4 tuner adjustment table.7-4 MTF TAPE DECK MODULE circuit diagram .8-1 layout diagram.8-2 tape deck adjustment.8-2 circuit diagram(for /22 only).8-3 layout diagram(for /22 only).8-4 FRONT BOARD circuit diagram .9-

5、1 layout diagram.9-2.9-3 COMBI BOARD circuit diagram.10-1.10-3 layout diagram.10-4.10-5 CD MODULE (CD99-DA11) circuit diagram.11-1.11-3 layout diagram.11-2 POWER BOARD circuit diagram .12-1 layout diagram.12-1 Exploded view diagram (main set) .13-1.13-2 Exploded view diagram (tape deck).13-2 Mechani

6、cal partslist.13-3 Electrical partslist .13-3 Electrical partslist .14-1.14-16 (Not service parts,only for referrence) TABLE OF CONTENTS CLASS 1? LASER PRODUCT RadioFans.CN 收音机爱 好者资料库 1 - 1 WARNING All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD). Careless hand

7、ling 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. ATTENTION Tous les IC et beaucoup dautres semi-conducteurs sont sensibles aux

8、d charges statiques (ESD). Leur long vite pourrait tre consid rablement court e par le fait quaucune pr caution n st prise leur manipulation. Lors de r parations, sassurer de bien tre reli au m me potentiel que la masse de lappareil et enfileer le bracelet serti dune r sistance de s curit . Veiller

9、ce que les composants ainsi que les outils que lon utilise soient galement ce potentiel. d d WARNUNG Alle ICs und viele andere Halbleiter sind empfindlich gegen ber elektrostatischen Entladungen (ESD). Unsorgf ltige Behandlung im Reparaturfall kann die Lebensdauer drastisch reduzieren. Sorgen Sie da

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

11、dig 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. AVVERTIMENTO Tutti IC

12、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 riparationi occorre quindi essere collegato allo stesso potenziale che quello della mas

13、sa del pparecchio 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

14、. Safety components are marked by the symbol 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

15、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 laserstr lning n r apparaten r ppnad och sp rren r urkopplad. Betrakta ej str len. Advarsel ! Usynli

16、g laserstr ling ved bning n r sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for str ling. Varoitus ! Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiina n kym tt m lle laseris teilylle. l katso s teeseen ! Pour votre s curite, ces documents doivent tre utilis s par des sp ci

17、alistes agr s, seuls habilit s r parer votre appareil en panne. ESD SAFETY Bei jeder Reparatur sind die geltenden Sicherheitsvor- schriften zu beachten. Der Originalzustand des Ger tes darf nicht ver ndert werden. F r Reparaturen sind Original- ersatzteile zu verwenden. Sicherheitsbauteile sind durc

18、h das Symbol markiert. Les normes de s curit exigent que lappareil soit remis l tat dorigine et que soient utilis es les pi ces de rechange identiques celles sp cifi es. Les composants de s curit sont marqu s CLASS 1 LASER PRODUCT DANGER: Invisible laser radiation when open. After servicing and befo

19、re returning the set to 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. f f i i f HANDLING CHIP COMPONENTS RadioFans.CN 收音机爱 好者资料库 2 - 1 SERVI

20、CE TOOLS TORX T10 screwdriver with shaftlength 150mm.4822 395 50423 TORX screwdriver set SBC 163.4822 295 50145 Audio signal disc SBC 429.4822 397 30184 Playability test disc SBC 444.4822 397 30245 Test disc 5(disc without errors ) + Test disc 5A (disc with dropout errors, black spots and fingerprin

21、ts) SBC 426/426A.4822 397 30096 Burn in test disc (65 min. 1kHz signal at -30 dB level without “pause”).4822 397 30155 Universal test cassette Fe SBC 420.4822 397 30071 anti-static table matlarge 1200 x650 x1.25mm4822 466 10953 small 600 x650 x1.25mm4822 466 10958 anti-static wristband4822 395 10223

22、 connection box (3 press stud connections, 1M)4822 320 11307 4822 320 11305extendible cable (2m, 2M, to connect wristband to connection box) connecting cable (3m, 2M, to connect table mat to connection box)4822 320 11306 earth cable (1M, to connect any product to mat or to connection box) 4822 320 1

23、1308 KIT ESD3 (combining all 6 prior products - small table mat)4822 310 10671 wristband tester4822 344 13999 AVAILABLE ESD PROTECTION EQUIPMENT TECHNICAL SPECIFICATIONS GENERAL Mains voltage-/21/21M : 120 / 230 V -/22/30/33 : 230 V -/25 : 240 V Mains frequency-/22/25/30/33 : 50 Hz -/21/21M : 50 / 6

24、0 Hz Batteryremote : 3 V (R6 x 2) Power consumptionnormal : 60 W Standby : 3 W Dimension (W x H x D): 231 x 140 x 280 mm Weight: 5.7 Kg AMPLIFIER Output powermains : 2 x 8 W Speaker impedance: 2 x 8 ohm Frequency response: 100 Hz - 10 kHz (4dB) TUNER - FM SECTION Tuning range: 87.5 - 108 MHz IF freq

25、uency: 10.7 MHz 0.02 MHz Sensitivity: 16 dBf at 26dB S/N Selectivity300kHz : 55 dB IF suppression: 85 dB Image suppression: 40 dB Channel separation 1kHz : 28 dB TUNER - AM SECTION Tuning rangeMW : 531 - 1602 kHz :Tuning range LW : 153 - 279 kHz IF frequency: 450 kHz 1 kHz Sensitivity MW : 3.5 mV/m

26、at 26dB S/N LW : 4.2 mV/m Selectivity MW : 22 dB LW : 35 dB IF rejectionMW : 64 dB Spurious rejection ratioMW : 58 dB LW : 51 dB Image rejection ratioMW : 40 dB LW : 85 dB S/N ratio (A-wght.): 90 dB THD+N1 kHz : 72 dB Channel crosstalk : 50 dB Channel unbalance: 1 dB RadioFans.CN 收音机爱 好者资料库 2 - 2 SE

27、RVICE MEASUREMENT Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Tuner FW Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Ri=50 Bandpass 250H

28、z-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 in a Faradays cage. Use a bandpass filter (or at least a high

29、 pass filter with 250kHz) to eliminate hum (50Hz, 100Hz). RF Generator e.g. PM5326 Ri=50 L R LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B DUT CDRECORDER Use Audio Signal Disc SBC429 4822 397 30184 (replaces test disc 3) Use Universal Test C

30、assette Fe SBC420 4822 397 30071 L R LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B DUT LF Generator e.g. PM5110 Ri=50 3 - 1 Controls (illustrations on page 3) Controls on the system and remote control 1TIMER ONOFF activates/deactivates or se

31、ts the timer function. 2PROGRAM for CD . programmes tracks and reviews the programme. for Tuner . programmes tuner stations manually or automatically. 3STANDBY ON y switches the system to standby/on. on the remote control only - switches the system to standby. 4SOURCE SELECT selects the respective s

32、ound source for CD / TUNER/ TAPE /AUX. switches on the system . 5Mode Selection STOP 9. stops CD playback or erase a CD programme. PLAYPAUSE . starts or interrupts CD playback. PRESET 34 ( , ) . selects a preset radio station. PREV 1 / NEXT 2 ( , ) . skips to the beginning of a current track/previou

33、s/ subsequent track. ( , ) . fast searches back and forward within a track/CD. TUNING ( , ) . tunes to radio stations. 6iR SENSOR infrared sensor for remote control . 7CLOCK SET/ RDS for Tuner . displays RDS in formation. for Clock . sets the clock function. 8REPEAT/ BAND for CD . repeats a track/CD

34、 programme/ entire CD . for Tuner . selects waveband. 9SHUFFLE plays CD tr acks in random order . 0Display shows the status of the system . !VOLUME (VOL -/+ ) adjusts the volume level. on the system only - adjusts the hour and minutes for the clock/ timer functions. INTERACTIVE SOUND controls: DBB .

35、 (Dynamic Bass Boost) enhances the bass. DSC. (Digital Sound Control) selects sound characteristics: CLASSIC/ RO CK/JAZZ/POP. INCREDIBLE SURR. (IS) . creates a super-enhanced stereo effect. #Tape Deck Operation RECORD. starts recording. PLAY 2 . starts playback. / . fast rewinds/winds the tape. STOP

36、OPEN stops the tape; opens the tape compartment. PAUSE. interrupts recording or playback. $OPENCLOSE opens/closes the CD door. % connect headphones. REPEAT repeats a track/CD programme/ entire CD . (on the remote control 2;). Press PLAYPAUSE 2; (on the remote control 2;) again to resume play. The di

37、splay freez es and the elapsed playing time flashes when pla yback is inter rupted. 6To stop disc playback, press STOP 9. Note: CD play will also stop when; the CD door is opened. the disc has reached the end. you select another source: TAPE, TUNER or AUX. you select to standby. you press the tape d

38、eck PLAY 2 key. Selecting a different track Press PREV 1 or NEXT 2 (on the remote control or ) once or repeatedly until the desired track number appears in the display. If you have selected a track number shortly after loading a disc or in the PAUSE position, you will need to press PLAYPAUSE 2; (on

39、the remote control 2;) to start playback. Finding a passage within a track 1Press and hold down on PREV 1 or NEXT 2 (on the remote control or ). The disc is played at high speed and low volume . 2When you recognise the passage you want, release PREV 1 or NEXT 2 (on the remote control or ). Normal playback continues. Note: During a disc programme or if SHUFFLE/ REPEAT active, searching is only possible within the same track. IMPORTANT: The len