Philips-LX-600-Service-Manual电路原理图.pdf
LX600/01/69©Copyright 2004 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrieval system ortransmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwisewithout the prior permission of Philips.Published by BB-ET0412 Service Audio Printed in The Netherlands Subject to modificationGB3139 785 30631Surround ReceiverVersion 1.1TABLE OF CONTENTSPageLocation of PC Boards 50Hz (for / 01)Power Supply Rating 110-127/ 220-240V; 50/60HzSwitchable (for / 69)Power Consumption 180 WDimensions (w x h x d) 435mm x 54mm x 388mmWeight 4.16 kgSPEAKERSFront Speakers / Rear (surround) speakerSystem 2-way. closed box systemImpedance 3WSpeaker drivers 18mm cone dome tweeterFrequency response 150 Hz - 20 kHzDimensions (w x h x d) 93mm x 169mm x 65mmWeight 0.75 Kg / eachCENTER SPEAKERSystem 2-way. closed box systemImpedance 3WSpeaker drivers 18mm cone dome tweeterFrequency response 150 Hz - 20 kHzDimensions (w x h x d) 245mm x 93mm x 70mmWeight 1.37 KgPASSIVE SUBWOOFERFrequency response 30 Hz - 150 kHzDimensions (w x h x d) 156mm x 350mm x 360mmTUNER AREA:1-4LF Generator e.g. PM5110RecorderUse Universal Test Cassette CrO2 SBC419 4822 397 30069LEVEL METER e.g. Sennheiser UPM550 with FF-filterS/N and distortion meter e.g. Sound Technology ST1700BLRDUTor Universal Test Cassette Fe SBC420 4822 397 30071LEVEL METER e.g. Sennheiser UPM550 with FF-filterS/N and distortion meter e.g. Sound Technology ST1700BLRDUTCD Use Audio Signal Disc (replaces test disc 3) SBC429 4822 397 30184Bandpass 250Hz-15kHz e.g. 7122 707 48001LF Voltmeter e.g. PM2534DUTS/N and distortion meter e.g. Sound Technology ST1700BFrame aerial e.g. 7122 707 89001Tuner AM (MW,LW)To avoid atmospheric interference all AM-measurements have to be carried out in a Faraday´s cage. Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz).RF Generator e.g. PM5326Ri=50Bandpass 250Hz-15kHz e.g. 7122 707 48001LF Voltmeter e.g. PM2534DUTRF Generator e.g. PM5326S/N and distortion meter e.g. Sound Technology ST1700BUse a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).Ri=50Tuner FMMEASUREMENT SETUP1-5Service Tools:Universal Torx driver holder .4822 395 91019Torx bit T10 150mm .4822 395 50456Torx driver set T6-T20 .4822 395 50145Torx driver T10 extended .4822 395 50423Compact Disc:SBC426/426A Test disc 5 + 5A .4822 397 30096SBC442 Audio Burn-in test disc 1kHz .4822 397 30155SBC429 Audio Signals disc .4822 397 30184Dolby Pro-logic Test Disc .4822 395 10216SERVICE AIDSHANDLING CHIP COMPONENTS1-6NL WAARSCHUWINGAlle ICs en vele andere halfgeleiders zijngevoelig voor electrostatische ontladingen(ESD).Onzorgvuldig behandelen tijdens reparatie kande levensduur drastisch doen verminderen.Zorg ervoor dat u tijdens reparatie via eenpolsband met weerstand verbonden bent methetzelfde potentiaal als de massa van hetapparaat.Houd componenten en hulpmiddelen ook opditzelfde potentiaal.I AVVERTIMENTOTutti IC e parecchi semi-conduttori sonosensibili alle scariche statiche (ESD).La loro longevità potrebbe essere fortementeridatta in caso di non osservazione della piùgrande cauzione alla loro manipolazione.Durante le riparazioni occorre quindi esserecollegato allo stesso potenziale che quello dellamassa dellapparecchio tramite un braccialettoa resistenza.Assicurarsi che i componenti e anche gli utensilicon quali si lavora siano anche a questopotenziale.GBSafety regulations require that the set be restored to its originalcondition and that parts which are identical with those specified,be used.Safety components are marked by the symbol ! .NLVeiligheidsbepalingen vereisen, dat het apparaat bij reparatie inzijn oorspronkelijke toestand wordt teruggebracht en dat onderdelen,identiek aan de gespecificeerde, worden toegepast.De Veiligheidsonderdelen zijn aangeduid met het symbol ! .FLes normes de sécurité exigent que lappareil soit remis à létatdorigine et que soient utiliséés les piéces de rechange identiquesà celles spécifiées.Less composants de sécurité sont marqués ! .DBei jeder Reparatur sind die geltenden Sicherheitsvorschriften zubeachten. Der Original zustand des Geräts darf nicht verändert werden;für Reparaturen sind Original-Ersatzteile zu verwenden.Sicherheitsbauteile sind durch das Symbol ! markiert.ILe norme di sicurezza esigono che lapparecchio venga rimessonelle condizioni originali e che siano utilizzati i pezzi di ricambioidentici a quelli specificati.Componenty di sicurezza sono marcati con ! .GBAfter servicing and before returning set to customer perform a leakagecurrent measurement test from all exposed metal parts to earth groundto assure no shock hazard exist, The leakage current must notexceed 0.5mA.CLASS 1LASER PRODUCT3122 110 03420GB Warning !Invisible laser radiation when open.Avoid direct exposure to beam.S Varning !Osynlig laserstrålning när apparaten är öppnad och spärrenär urkopplad. Betrakta ej strålen.SF Varoitus !Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiinanäkymättömälle laserisäteilylle. Älä katso säteeseen!GB WARNINGAll ICs and many other semi-conductors aresusceptible to electrostatic discharges (ESD).Careless handling during repair can reduce lifedrastically.When repairing, make sure that you areconnected with the same potential as the massof the set via a wrist wrap with resistance.Keep components and tools also at thispotential.FATTENTIONTous les IC et beaucoup dautressemi-conducteurs sont sensibles auxdécharges statiques (ESD).Leur longévité pourrait être considérablementécourtée par le fait quaucune précaution nestprise à leur manipulation.Lors de réparations, sassurer de bien être reliéau même potentiel que la masse de lappareil etenfiler le bracelet serti dune résistance desécurité.Veiller à ce que les composants ainsi que lesoutils que lon utilise soient également à cepotentiel.ESDD WARNUNGAlle ICs und viele andere Halbleiter sindempfindlich gegenüber elektrostatischenEntladungen (ESD).Unsorgfältige Behandlung im Reparaturfall kandie Lebensdauer drastisch reduzieren.Veranlassen Sie, dass Sie im Reparaturfall überein Pulsarmband mit Widerstand verbundensind mit dem gleichen Potential wie die Massedes Gerätes.Bauteile und Hilfsmittel auch auf dieses gleichePotential halten.DK Advarse !Usynlig laserstråling ved åbning når sikkerhedsafbrydere erude af funktion. Undgå udsaettelse for stråling.F“Pour votre sécurité, ces documents doivent être utilisés pardes spécialistes agréés, seuls habilités à réparer votreappareil en panne“.GBESD PROTECTION EQUIPMENTComplete Kit ESD3 (small tablemat, wristband,connection box, estention cable and earth cable . 4822 310 10671Wristband tester . 4822 344 139992-1 2-1REPAIR INSTRUCTION2-2 2-2REPAIR INSTRUCTION3-1DISASSEMBLY INSTRUCTIONS1) Loosen 9 screws and remove the Top Cover by lifting the rear portion upwards before sliding it outtowards the rear.-5 screws on the back-2 screws each on the left & right side2) Loosen 7 screws & lift up the top edge of Front Panel assembly to free some catches before slidingit out towards the front.-4 screws on the bottom-1 screw “A“ on the inside as indicated in Figure 1.-1 screw each on the left & right side3-1Figure 2Dismantling of the Main Board1) Loosen 4 screws “B“ on the top of main board as shown in figure2.2) Loosen 8 screws “C“ at the back panel as shown in figure 3.Figure 3Figure 5BDCEDismantling of the Power & Tuner Board1) Loosen 5 screws “ D “ on the top of power board as shown in figure 4.2) Loosen 4 screws “ E “ on the top of tuner board as shown in figure 5.AFigure 1Figure 43-2SERVICE POSITIONSService position A Service position B3-2
