Philips-HTS-3400-Service-Manual电路原理图.pdf
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1、CLASS 1LASER PRODUCTServiceServiceServiceHTS3400/37Copyright 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, photocopy
2、ing, or otherwisewithout the prior permission of Philips.Published by KC-ET0409 Service Audio Printed in The Netherlands Subject to modification.GBDVD ReceiverVersion 1.0TABLE OF CONTENTSPageLocation of PC Boards.1-2Versions Variation .1-2Specifications.1-3Measurement Setup .1-4Service Aids .1-5ESD
3、fr 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 marc
4、ati 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 wh
5、en open.Avoid direct exposure to beam.S Varning !Osynlig laserstrlning nr apparaten r ppnad och sprrenr urkopplad. Betrakta ej strlen.SF Varoitus !Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiinankymttmlle laseristeilylle. l katso steeseen!GB WARNINGAll ICs and many other semi-condu
6、ctors 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.FATTENTIONT
7、ous les IC et beaucoup dautressemi-conducteurs sont sensibles auxdcharges statiques (ESD).Leur longvit pourrait tre considrablementcourte par le fait quaucune prcaution nestprise leur manipulation.Lors de rparations, sassurer de bien tre reliau mme potentiel que la masse de lappareil etenfiler le br
8、acelet serti dune rsistance descurit.Veiller ce que les composants ainsi que lesoutils que lon utilise soient galement cepotentiel.ESDD WARNUNGAlle ICs und viele andere Halbleiter sindempfindlich gegenber elektrostatischenEntladungen (ESD).Unsorgfltige Behandlung im Reparaturfall kandie Lebensdauer
9、drastisch reduzieren.Veranlassen Sie, dass Sie im Reparaturfall berein Pulsarmband mit Widerstand verbundensind mit dem gleichen Potential wie die Massedes Gertes.Bauteile und Hilfsmittel auch auf dieses gleichePotential halten.DK Advarse !Usynlig laserstrling ved bning nr sikkerhedsafbrydere erude
10、af funktion. Undg udsaettelse for strling.F“Pour votre scurit, ces documents doivent tre utiliss pardes spcialistes agrs, seuls habilits rparer votreappareil en panne“.GBESD PROTECTION EQUIPMENTComplete Kit ESD3 (small tablemat, wristband,connection box, estention cable and earth cable . 4822 310 10
11、671Wristband tester . 4822 344 13999! .1-7Pb(Lead) Free SolderWhen soldering , be sure to use the pb free solder.INDENTIFICATION:Regardless of special logo (not always indicated)one must treat all sets from 1 Jan 2005 onwards, accordingnext rules:Important note: In fact also products of year 2004 mu
12、stbe treated in this way as long as you avoid mixing solder-alloys (leaded/ lead-free). So best to always use SAC305and the higher temperatures belong to this.Due to lead-free technology some rules have to berespected by the workshop during a repair: Use only lead-free solder alloy Philips SAC305 wi
13、thorder code 0622 149 00106. If lead-free solder-pasteis required, please contact the manufacturer of yoursolder-equipment. In general use of solder-pastewithin workshops should be avoided because paste isnot easy to store and to handle. Use only adequate solder tools applicable for lead-free solder
14、 alloy. The solder tool must be ableTo reach at least a solder-temperature of 400C,To stabilize the adjusted temperature at the solder-tipTo exchange solder-tips for different applications. Adjust your solder tool so that a temperature around360C 380C is reached and stabilized at the solderjoint. He
15、ating-time of the solder-joint should not exceed 4 sec. Avoid temperatures above 400C otherwisewear-out of tips will rise drastically and flux-fluid willbe destroyed. To avoid wear-out of tips switch off un-used equipment, or reduce heat. Mix of lead-free solder alloy / parts with leaded solderalloy
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