Philips-MC-120-Service-Manual电路原理图.pdf
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1、MC-120 3140 785 32310Service ManualMicro SystemMC-130all versionsPublished by LY 0249 Service Audio Printed in The Netherlands Subject to modificationCopyright 2001 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored
2、in a retrievalsystem or transmitted, in any form or by any means, electronic, mechanical, photocopying,or otherwise without the prior permission of Philips.Handling chip components .1-1Technical specification.2-1Service tools .2-1Service measurement setup.2-2Connections and controls.3-1.3-2Disassemb
3、ly diagram .4-1Service Test Program.4-2Pin description of ICs.4-3.4-4Set block diagram.5-1Set wiring diagram.5-2LED BOARDcircuit diagram .6-1layout diagram .6-1TUNER BOARD (ECO6 cenelec)circuit diagram .7-1layout diagram .7-2tuner adjustment table .7-2TUNER BOARD (ECO6 non cenelec)circuit diagram .7
4、-3layout diagram .7-4tuner adjustment table .7-4MTF TAPE DECK MODULEcircuit diagram .8-1layout diagram .8-2tape deck adjustment.8-2circuit diagram(for /22 only) .8-3layout diagram(for /22 only).8-4FRONT BOARDcircuit diagram .9-1layout diagram.9-2.9-3COMBI BOARDcircuit diagram. .10-1.10-3layout diagr
5、am.10-4.10-5CD MODULE (CD99-DA11)circuit diagram .11-1.11-3layout diagram .11-2POWER BOARDcircuit diagram .12-1layout diagram .12-1Exploded view diagram (main set) .13-1.13-2Exploded view diagram (tape deck).13-2Mechanical partslist .13-3Electrical partslist .14-1.14-16TABLE OF CONTENTSCLASS 1 LASER
6、 PRODUCT1 - 1WARNINGAll ICs and many other semiconductors are susceptible toelectrostatic discharges (ESD). Careless handling duringrepair can reduce life drastically.When repairing, make sure that you are connected with thesame potential as the mass of the set via a wristband withresistance. Keep c
7、omponents and tools at this potential.ATTENTIONTous les IC et beaucoup dautres semi-conducteurs sontsensibles aux d charges statiques (ESD). Leur long vitepourrait tre consid rablement court e par le fait quaucunepr caution n st prise leur manipulation.Lors de r parations, sassurer de bien tre reli
8、au m mepotentiel que la masse de lappareil et enfileer le braceletserti dune r sistance de s curit .Veiller ce que les composants ainsi que les outils que lonutilise soient galement ce potentiel.ddWARNUNGAlle ICs und viele andere Halbleiter sind empfindlichgegen ber elektrostatischen Entladungen (ES
9、D).Unsorgf ltige Behandlung im Reparaturfall kann dieLebensdauer drastisch reduzieren.Sorgen Sie daf r, da Sie im Reparaturfall ber ein Puls-armband mit Widerstand mit dem Massepotential desGer tes verbunden sind.Halten Sie Bauteile und Hilfsmittel ebenfalls auf diesemPotential.WAARSCHUWINGAlle ICs
10、en vele andere halfgeleiders zijn gevoelig voorelectrostatische ontladingen (ESD).Onzorgvuldig behandelen tijdens reparatie kan de levensduurdrastisch doen vermindern. Zorg ervoor dat u tijdens reparatievia een polsband met weerstand verbonden bent met hetzelfdepotentiaal als de massa van het appara
11、at.Houd componenten en hulpmiddelen ook op ditzelfde potentiaal.AVVERTIMENTOTutti IC e parecchi semi-conduttori sono sensibili alle scarichestatiche (ESD).La loro longevit potrebbe essere fortemente ridatta in caso dinon osservazione della pi grande cauzione alla loromanipolazione. Durante le ripara
12、tioni occorre quindi esserecollegato allo stesso potenziale che quello della massadel pparecchio tramite un braccialetto a resistenza.Assicurarsi che i componenti e anche gli utensili con quali silavora siano anche a questo potenziale.Safety regulations require that the set be restored to itsorigina
13、l condition and that parts which are identical withthose specified be used.Safety components are marked by the symbolLe norme di sicurezza estigono che lapparecchio vengarimesso nelle condizioni originali e che siano utilizzati ipezzi di ricambiago identici a quelli specificati.Componenty di sicurez
14、za sono marcati conVeiligheidsbepalingen vereisen, dat het apparaat in zijnoorspronkeliijke toestand wordt teruggebracht en datonderdelen, identiek aan de gespecificeerde, worden toegepast.De Veiligheidsonderdelen zijn aangeduid met het symbools Varning !Osynlig laserstr lning n r apparaten r ppnad
15、ochsp rren r urkopplad. Betrakta ej str len.Advarsel !Usynlig laserstr ling ved bning n r sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for str ling.Varoitus !Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiinan kym tt m lle laseris teilylle. l katso s teeseen !“Pour votre s
16、 curite, ces documents doivent tre utilis s pardes sp cialistes agr s, seuls habilit s r parer votreappareil en panne“.ESDSAFETYBei jeder Reparatur sind die geltenden Sicherheitsvor-schriften zu beachten. Der Originalzustand des Ger tesdarf nicht ver ndert werden. F r Reparaturen sind Original-ersat
17、zteile zu verwenden.Sicherheitsbauteile sind durch das Symbol markiert.Les normes de s curit exigent que l appareil soit remisl tat d origine et que soient utilises les pi ces derechange identiques celles sp cifi es.Les composants de s curit sont marqu sCLASS 1LASER PRODUCTDANGER: Invisible laser ra
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