Philips-PET-717-Service-Manual电路原理图.pdf

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1、DVD Portable Player PET717/93/94 3141 785 33251 Version 1.1 Service Manual OSD TEST CONFIGURATION SETUP Copyright 2005 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may by reproduced, stored in a retrieval system or transmitted, in any

2、form or by any means, electronics, mechanical, photocopying, or otherwise without the prior permission of Philips Published by FK 0846 BU AVM Printed in The Netherlands Subject to modification PET717/93 TECHNICAL SPECIFICATIONGeneralBear Unit Weight: 0.48 kg +/- 5% Playback time 2.5hrsBatter Capacit

3、y Lithium-ion 7.4V 1 1500mAH Discharge cut-off voltage(3.0 V for single cell) 5.8-6VBattery discharge cut-off current/=50 dB Left-Right Channel /=2 dB Banlance:Supported disc typeVideo Playback Fornats: Audio Playback Formats: Playback disc type: DVD-Video, DVD+R/RW, DVD-R/RW, Super VCD, Video CD, D

4、ivX4.X-5.X, Audio CD, MP3 CD, JPEG CD, Kodak Picture CD Video Playback Format: DVD / VCD / SVCD / CD / JPEG Disc Diamete 8cm/12cm Max.1 bright-dot fr Reparaturen sind Original-Ersatzteile zu verwenden.ILe norme di sicurezza esigono che lapparecchio venga rimessonelle condizioni originali e che siano

5、 utilizzati i pezzi di ricambioidentici a quelli specificati.“After servicing and before returning set to customer perform aleakage current measurement test from all exposed metal parts toearth ground to assure no shock hazard exist. The leakage currentmust not exceed 0.5mA.“CLASS 1LASER PRODUCT3122

6、 110 03420GB Warning !Invisible laser radiation when 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 st

7、eeseen!DK Advarse !Usynlig laserstrling ved bning nr sikkerhedsafbrydere erude af funktion. Undg udsaettelse for strling.2-1Whenthepowersupplyisbeingturnedon,youmaynotremovethislasercautionslabel.Ifitremoves,radiationoflasermaybereceived.2.1 ESD PROTECTIONPREPARATIONOFSERVICINGPickupHeadconsistsofal

8、aserdiodethatisverysusceptibletoexternalstaticelectrocity.Althoughitoperatesproperlyafterreplacement,ifitwassubjecttoelectrostaticdischargeduringreplacement,itslifemightbeshortened.Whenreplacing,useaconductivemat,solderingironwithgroundwire,etc.toprotectthelaserdiodeformdamagebystaticelectricity.And

9、also,theLSIandICaresameasabove.SolderingironwithgroundwireorceramictypeGroundconductivewriststrapforbody.ConductivematThegroundresistancebetweenthegroundlineandthegroundislessthan101M2-2SAFTY NOTICEPlug the AC line cord directly into a 120V AC outlet (donot use an isolation transformer for this chec

10、k). Use anAC voltmeter, having 5000 per volt or more sensitivity.Connect a 1500 10W resistor,paralleled by a 0.15uF150V AC capacitor between a knomn good earth ground(water pipe, conduit, etc.) and all exposed metal parts ofcabinet (antennas, handle bracket, metal cabinetscrewheads, metal overlays,

11、control shafts, etc.).SAFTY PRECAUTIONSLEAKAGE CURRENT CHECKMeasure the AC voltage across the 1500 resistor.The test must be conducted with the AC switch on andthen repeated with the AC switch off. The AC voltageindicated by the meter may not exceed 0.3V.A readingexceeding 0.3V indicates that a dang

12、erous potentialexists, the fault must be located and corrected.Repeat the above test with the DVD VIDEO PLAYERpower plug reversed.NEVER RETURN A DVD VIDEO PLAYER TO THECUSTOMER WITHOUT TAKING NECESSARYCORRECTIVE ACTION.READING SHOULD NOT EXCEED 0.3VDVD VIDEO PLAYERAC OUTLETAC VOLTMETERTest all expos

13、ed metal.Voltmeter Hook-up for Leakage Current Check0.15uF 150V AC150010W(5000 per voltor more sensitivity)Good earth groundsuch as a water pipe,conduit, etc.The lightning flash with arrowhead symbol, within anequilateral triangle, is intended to alert the user to thepresence of uninsulated “dangero

14、us voltage“ within theproducts enclosure that may be of sufficient magnitude toconstitute a risk of electric shock to persons.The exclamation point within an equilateral triangle isintended to alert the user to the presence of importantoperating and maintenance (servicing) instructions in theliterat

15、ure accompanying the appliance.2-32.2 SAFETY INSTRUCTIONS Battery Handling GuidelineSince the battery is packed in soft package, to ensure its better performance, its very important to carefully handle the battery 2.2.1 Soft Aluminium foil The soft aluminum packing foil is very easily damaged by sha

16、rp edge parts such as Ni-tabs, pins and needles. x Dont strike battery with any sharp edge parts x Trim your nail or wear glove before taking battery x Clean worktable to make sure no any sharp particle 2.2.2 Sealed edge Sealing edge is very flimsy x Dont bend or fold sealing edge 2.2.3 Folding edge

17、 The folding edge is form in battery process and passed all hermetic test. x Dont open or deform folding edge 2.2.4 Tabs The battery tabs are not so stubborn especially for aluminum tab. x Dont bend tab 2.2.5 Mechanical shock x Dont Fall, hit, bend battery body 2.2.6 Short Short terminals of battery

18、 is strictly prohibited, it may damage battery. 2-4Philips Portable DVD Player PET717w , 1 A 1 POWER ON / OFF/CHR ,# : OFF/CHR ,$d2 = x W 9q DC IN 12V ) W * jd Fk* l qd*_k *a d*_k * ) Fk* w Wd8 Y- ) 3i !,$/W qB j $9287 6 6 k 32:(5212)&+5 9ql &,19 *Y xf 23(1 fgIR/POWER/CHROPEN3-3m l k jabc drqopsnefghiRemote Control Directiona 5(3($7,9 h b =220Lc 26,63/$ sai qd 7,7/(+ (i e 0(18u!9) + (iVu!9&69&)3%& h i 3%&% &f , j! ji ! + i +(N2. (i,g ci% 3-4