Philips-HTS-3545-Service-Manual(1) 电路图 维修手册.pdf
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1、? ?55 Copyright 2007 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permiss
2、ion of Philips. Published by KE-ET0736 Service Audio Printed in The Netherlands Subject to modification ? Version1.0 TABLE OF CONTENTS Chapter Location of PC Boards.1-2 Versions Variation fr Reparaturen sind Original-Ersatzteile zu verwenden. Sicherheitsbauteile sind durch das Symbol ! markiert. I L
3、e norme di sicurezza esigono che lapparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambio identici a quelli specificati. Componenty di sicurezza sono marcati con ! . GB After servicing and before returning set to customer perform a leakage current measurement
4、test from all exposed metal parts to earth ground to assure no shock hazard exist, The leakage current must not exceed 0.5mA. CLASS 1 LASER PRODUCT 3122 110 03420 GBWarning ! Invisible laser radiation when open. Avoid direct exposure to beam. SVarning ! Osynlig laserstrlning nr apparaten r ppnad och
5、 sprren r urkopplad. Betrakta ej strlen. SFVaroitus ! Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiina nkymttmlle laseristeilylle. l katso steeseen! GBWARNING All ICs and many other semi-conductors are susceptible to electrostatic discharges (ESD). Careless handling during repair ca
6、n reduce life drastically. When repairing, make sure that you are connected with the same potential as the mass of the set via a wrist wrap with resistance. Keep components and tools also at this potential. F ATTENTION Tous les IC et beaucoup dautres semi-conducteurs sont sensibles aux dcharges stat
7、iques (ESD). Leur longvit pourrait tre considrablement courte par le fait quaucune prcaution nest prise leur manipulation. Lors de rparations, sassurer de bien tre reli au mme potentiel que la masse de lappareil et enfiler le bracelet serti dune rsistance de scurit. Veiller ce que les composants ain
8、si que les outils que lon utilise soient galement ce potentiel. ESD DWARNUNG Alle ICs und viele andere Halbleiter sind empfindlich gegenber elektrostatischen Entladungen (ESD). Unsorgfltige Behandlung im Reparaturfall kan die Lebensdauer drastisch reduzieren. Veranlassen Sie, dass Sie im Reparaturfa
9、ll ber ein Pulsarmband mit Widerstand verbunden sind mit dem gleichen Potential wie die Masse des Gertes. Bauteile und Hilfsmittel auch auf dieses gleiche Potential halten. DKAdvarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. F Pour votr
10、e scurit, ces documents doivent tre utiliss par des spcialistes agrs, seuls habilits rparer votre appareil en panne. GB ESD PROTECTION EQUIPMENT Complete Kit ESD3 (small tablemat, wristband, connection box, estention cable and earth cable .4822 310 10671 Wristband tester .4822 344 13999 1 - 6 Pb(Lea
11、d) Free Solder When soldering , be sure to use the pb free solder. INDENTIFICATION: Regardless of special logo (not always indicated) onemusttreatallsetsfrom1 Jan2005onwards,according next rules: Important note: In fact also products of year 2004 must be treatedin this way as long as youavoidmixings
12、older- alloys(leaded/ lead-free). Sobest to always use SAC305 and the higher temperatures belong to this. Due to lead-free technology some rules have to be respected by the workshop during a repair: Use only lead-free solder alloy Philips SAC305 with order code 0622 149 00106. If lead-free solder-pa
13、ste is required, please contact the manufacturer of your solder-equipment. In general use of solder-paste withinworkshopsshouldbeavoidedbecausepaste is not easy to store and to handle. Use only adequate solder tools applicable for lead- free solder alloy. The solder tool must be able To reach at lea
14、st a solder-temperature of 400?C, To stabilize theadjustedtemperature atthesolder- tip To exchange solder-tips for different applications. Adjust your solder tool so that a temperature around 360?C 380?C is reachedandstabilized at thesolder joint.Heating-timeofthesolder-jointshould notexceed 4 sec.
15、Avoid temperatures above 400?C otherwise wear-out of tips will rise drastically and flux-fluid will be destroyed. To avoid wear-out of tips switch off un- used equipment, or reduce heat. Mix of lead-free solder alloy / parts with leaded solder alloy / parts is possible but PHILIPS recommends strongl
16、y to avoidmixed solderalloy types (leadedand lead-free). Ifonecannot avoidordoes not knowwhetherproduct is lead-free, clean carefully the solder-joint from old solder alloy and re-solder with new solder alloy (SAC305). Use only original spare-parts listed in the Service- Manuals. Not listed standard
17、-material (commodities) has to be purchased at external companies. Special information for BGA-ICs: Always use the 12nc-recognizable soldering temperature profile of the specific BGA (for de- solderingalwaysuse thelead-free temperatureprofile, in case of doubt) Lead free BGA-ICs will be delivered in
18、 so-called dry- packaging(sealedpack including a silica gelpack) to protect the IC against moisture. After opening, dependent of MSL-level seenonindicator-labelin the bag, the BGA-IC possibly still has to be baked dry. (MSL=Moisture Sensitivity Level). This will be communicated via AYS-website. Do n
19、ot re-use BGAs at all. For sets produced before 1.1.2005 (except products of 2004), containing leaded solder-alloy and components, all needed spare-parts will be available till the end of the service-period. For repair of such sets nothing changes. On our websitewww.atyourservice.ce.P you find more
20、information to: BGA-de-/soldering (+ baking instructions) Heating-profiles of BGAs and other ICs used in Philips-sets You will find this and more technical information within the “magazine”, chapter “workshop news”. For additional questions please contact your local repair-helpdesk. 2 - 12 - 1 REPAI
21、R INSTRUCTION (Part One) MAIN UNIT REPAIR CHART 1/ 3 A All Function NoWorking B Power Supply NoWorking C All Function No Sound E AudiolineIN No Output G DVD Audio No Sound H MP3 In No Sound I COAXIAL In No Sound L TunerNo Sound M No Svideo Output O HDMI No Output P No CVBS Output Q No Y PrPboutput C
22、 All Function NoSound Check POWERIC Voltage + 35.5V Yes See Contents B CheckQ306 D304 ZD303 AndIts conn parts Yes No Check Q305C Voltage 3.3V OK No CheckQ501 Q502 IC505 AndIts conn parts OK LOW CheckQ902 ZD905 IC505 AndIts conn parts Check Q902C Voltage 3.3V OK No Check IC505 51PIN HIGH(3.3V) ORLOW(
23、0V) Check IC501 IC502 IC503 IC504 AndIts Conjoint Part A All function Noworking Check all system all cable is loose orbadINT Pa nel stanby LED show working or Not Re-insert and fix the cable Check back powerPCB F901 bad cause damage Change F901 Check CN905 2pin BK5V if right Check repair control PCB
24、 Standbycircuit Check +5V power supply circuit Check RB901 1pin +5V=5V Check repair switch power circuit ( See B) Check all Voltage 3.3V and 1.8V give circuit VCC=5V VD33=3.3V VD18=1.8V Check IC208 Pin234 OSC frequency27MHz Repairmain pcb between IC202IC206IC208andIC602 circuit YES NO NO BAD NO OK Y
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