Philips-DVD-782-Service-Manual(1) 电路图 维修手册.pdf

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1、? Copyright 2001 Philips Consumer Electronics BPAVC 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 permission of Philips. Published by J

2、ianfeng Liu 0170 BPAVC DVD707/751/781/782 CLASS 1 LASER PRODUCT COMPACT DIGITAL AUDIO DVD PLAYER Service Manual Service Service Service Service Service GB CONTENTS Page Version: 1.0 5 Dismantling instruction and exploded view . 4 1 Technical specifications . 2 2 Warnings . 2 3 Service hints . 3 4 Re

3、vision information . 3 1 Instruction for use . 30 7 Electrical diagrams and print-layouts . 8 8 Spare parts list DVD730K/691 . 18 9 Spare parts list DVD730K/751 . 22 10 Spare parts list DVD730K/781 . 26 Power board. . 8 MPEG board. . 10 Front board. . 16 6 Block- and wiring diagram . 6 3122 785 1188

4、0 Appendix RadioFans.CN 收音机爱 好者资料库 All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD). Careless handling during repair can reduce life drastically. When repairing, make sure that you are connected with the same potential as the mass of the set via a wristband wit

5、h resistance. Keep components and tools at this potential. Tous les IC et beaucoup dautres semi-conducteurs sont sensibles aux dcharges statiques (ESD). Leur longvite pourrait tre considrablement courte par le fait quaucune prcaution nst prise leur manipulation. Lors de rparations, sassurer de bien

6、tre reli au mme potentiel que la masse de lappareil et enfileer le bracelet serti dune rsistance de scurit. Veiller ce que les composants ainsi que les outils que lon utilise soient galement ce potentiel. Alle ICs und viele andere Halbleiter sind empfindlich gegen ber elektrostatischen Entladungen (

7、ESD). Unsorgf ltige Behandlung im Reparaturfall kann die Lebensdauer drastisch reduzieren. Sorgen Sie daf r, da Sie im Reparaturfall ber ein Puls- armband mit Widerstand mit dem Massepotential des Ger tes verbunden sind. Halten Sie Bauteile und Hilfsmittel ebenfalls auf diesem Potential. Alle ICs en

8、 vele andere halfgeleiders zijn gevoelig voor electrostatische ontladingen (ESD). Onzorgvuldig behandelen tijdens reparatie kan de levensduur drastisch doen vermindern. Zorg ervoor dat u tijdens reparatie via een polsband met weerstand verbonden bent met hetzelfde potentiaal als de massa van het app

9、araat. Houd componenten en hulpmiddelen ook op ditzelfde potentiaal. Tutti IC e parecchi semi-conduttori sono sensibili alle scariche statiche (ESD). La loro longevit potrebbe essere fortemente ridatta in caso di non osservazione della pi grande cauzione alla loro manipolazione. Durante le riparatio

10、ni occorre quindi essere collegato allo stesso potenziale che quello della massa delpparecchio tramite un braccialetto a resistenza. Assicurarsi che i componenti e anche gli utensili con quali si lavora siano anche a questo potenziale. Safety regulations require that the set be restored to its origi

11、nal condition and that parts which are identical with those specified be used. Safety components are marked by the symbol Le norme di sicurezza estigono che lapparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambiago identici a quelli specificati. Componenty di

12、 sicurezza sono marcati con Veiligheidsbepalingen vereisen, dat het apparaat in zijn oorspronkeliijke toestand wordt teruggebracht en dat onderdelen, identiek aan de gespecificeerde, worden toegepast. De Veiligheidsonderdelen zijn aangeduid met het symbool Varning ! Varoitus ! Osynlig laserstr lning

13、 n r apparaten r ppnad och sp 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. Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiina n kym tt m lle laseris teilylle. l katso s tees

14、een ! Pour votre scurite, ces documents doivent tre utiliss pa des spcialistes agrs, seuls habilits rparer votre appareil en panne. ESD SAFETY Bei jeder Reparatur sind die geltenden Sicherheitsvor- schriften zu beachten. Der Originalzustand des Ger tes darf nicht ver ndert werden. F r Reparaturen si

15、nd Original- ersatzteile zu verwenden. Sicherheitsbauteile sind durch das Symbol markiert. Les normes de scurit exigent que lappareil soit remis ltat dorigine et que soient utilises les pices de rechange identiques celles spcifies. Les composants de scurit sont marqus CLASS 1 LASER PRODUCT Invisible

16、 laser radiation when open. After servicing and before returning the set to customer exposed metal parts to earth ground, to assure no shock hazard exists. The leakage current must not exceed 0.5mA. perform a leakage current measurement test from all AVOID DIRECT EXPOSURE TO BEAM. GBWARNING S F F FI

17、N D NL I GB GB GB F D NL I DANGER: ATTENTION WARNUNG WAARSCHUWING AVVERTIMENTO Warning for powersupply on primary side The primary side of the powersupply including the heatsink carries live mains voltage when the player is connected to the mains even when the player is swiched off ! This primary ar

18、ea is not shielded so it is possible to touch copper tracks and/or components when servicing the player. Service personnel have to take precautions to prevent touching this area or components in this area. The primary side of the powersupply has been indicated with a stripe-marked printed on the pri

19、nted wiring board. 2. Warnings ? DVD-Video Super VCD Video CD Audio CD MP3-CD CD-R, CD-RW Stop/Play/Pause Fast Forward/Backward Time Search Slow Forward Step Forward Title/Chapte/Track Select Next/Previous Repeat(Title/Chapter/Track/All) A-B Repeat Multi-Angle Selection Audio Selection(1 of max. 8 L

20、anguages) Subtitle Selection(1 of max. 32 Languages) Aspect Ratio conversion (16:9, 4:3Letterbox, 4:3Panscan) Parental Control Disc Menu support(title menu/root menu) Programming with Favourite Selection Playback Control for VCD2.0 discs Disc Lock Programming with Favourite Selection Multiple Sound

21、Effect Time Display(All/Track/Remaining Track Time) Full audio functionality with remote control Programming with Favourite Selection Specifications subject to change without NoticeDolby, Dolby Digital,Pro Logic and the double-D symbols are trademarks of Dolby Laboratories Dimensions:435x92x320mm (W

22、xHxD) Weight:estimated 3.8Kg Power Inlet:110240V 50,60Hz Power Usage: 90dB Dynamic range(1KHz)80dB Analog Sound Stereo Dolby digital multichannel surround sound Dolby digital downmix 2 channel Medium:Optical disc Diameter:12cm (8cm) Playing time(12cm) DA Converter10bit Signal handing Components Digi

23、tal Compression MPEG2 for DVD MPEG1 for VCD Video output: 1Vpp into 75 Ohm S-Video output Y: 1Vpp into 75 Ohm C: 0.3Vpp into 75 Ohm Component Video output Y1Vpp into 75 Ohm CR0.7Vpp into 75 Ohm CB0.7Vpp into 75 Ohm Playback System Technical Specifications1. DVD707 / 751/781/782 Specifications DVD Di

24、sc Format TV System Video Format Video Performance Audio Format Audio Performance Connections Power Supply Cabinet Package Contents General DVD Functionality VCD Functionality CD Functionality RadioFans.CN 收音机爱 好者资料库 HANDLING CHIP COMPONENTS SERVICE TOOLS 3. Service hints Test discs Audio signals di

25、sc -4822 397 30184 Torx screwdrivers Set (straight, T2 to T20) -4822 395 50145 Set (square, T10, T15, T20) -4822 395 50132 ? 4. Revision information Service manual version: 1.0 Issue Date : 25th, October, 2001 Revision information: N/A RadioFans.CN 收音机爱 好者资料库 ? 5. Dismantling instructions and explod

26、ed view DISMANTLING INSTRUCTIONS DVD707/751/781/782 See exploded view for item numbers Cover 232 Remove 7 screws 233 Lift cover at rearside to remove Front assy 200 Remove 2 screws 212 (front to frame) Unlock front from frame by releasing successively snaps Place front assy in front of the set (serv

27、ice position) Display board 1004 Remove 7 screws 211 (board to front), pay attention to the earth spring 252 Demount board Switch assy 8008 Remove 2 screws 211 Demount switch assy Loader module 1005 Remove 4 screws 217 (loader to frame) Demount loader module Remove connections to MPEG and PSU board

28、Remove the screw 255 (MPEG board to frame) Remove 5 screws 227 (MPEG board to back plate) Release the snap of spacer 254 (board to frame) Demount board Remove flex connections to MPEG board Remove 3 screws 222 (PSU board to frame) Remove 1 screws 228 (PSU board to back plate) Release the snap of spa

29、cer 226 (board to frame) Demount board Remove flex connections to PSU board MPEG board 1002PSU board 1001 Mounting Demounting 1001 Power board 1002 MPEG board 1004 Front board PCB LOCATION DVD707/751/781/782 1005 Loader module 5. Dismantling instructions and exploded view PARTS 12NC LIST DVD707/751D

30、VD707/781DVD707/782 1001 PSU board3141 018 024903141 018 024903141 018 02490 1002 MPEG board3141 018 025403141 018 024803141 018 02480 1005 Loader module3141 018 021903141 018 021903141 018 02190 1004 Front board3141 018 025103141 018 025103141 018 02510 ? 5. Dismantling instructions and exploded vi

31、ew DVD707/751/781/782 EXPLODED VIEW ? ? ? ? ? ? ? ?!? ? ?!? ?#?$?!?%? ?#?$?!?% ?! ?#?$?!?% ?#?$?!?%? ? three dimensional digital, multi-channel audio; story sequences screened from your choice of camera angle; sound tracks in as many as eight languages; and up to 32 subtitles (if available on disc).

32、 Whether you watch DVD-Video on wide-screen or regular TV, you always see it the way it was meant to be. Digital Video DVD-Video uses state-of-the-art MPEG2 data compression technology to register an entire movie on a single 5-inch disc. DVDs variable bitrate compression, running at up to 9.8 Mbits/

33、second, captures even the most complex pictures in their original quality. The crystal-clear digital pictures have a horizontal resolution of over 500 lines, with 720 pixels (picture elements) to each line.This resolution is more than double that of VHS, superior to Laser Disc, and entirely comparab

34、le with digital masters made in recording studios. DVD-Video discs conform to either the PAL or NTSC video standard. This player can play both PAL and NTSC discs, presenting them in the best possible way on your multi-standard TV screen. As the universal video system of the future, DVD-Video offers

35、optimal pictures on any TV screen. Introduction Your Philips DVD-Video player will play digital video discs conforming to the universal DVD-Video standard. With it, you will be able to enjoy full- length movies with true cinema picture quality, as well as stereo or multi- channel sound (depending on

36、 the disc and your playback setup). The unique features of DVD-Video, such as selection of sound track, subtitle languages and different camera angles (again depending on the disc), are all included. Whats more, Philips Child Lock lets you decide which discs your children will be able to see.You wil

37、l find the On-Screen Display, player display, and remote control make the player easy to use. This manual provides all the information you will need, so read on! DVD-Video You will recognize DVD-Video discs by the logo shown on left. Depending on the material on the disc (a movie, video clips, a dra

38、ma series, etc.) the disc may have one or more Titles. Each title may have one or more chapters.To make playback easy and convenient, your player lets you move between titles and playback chapters. TITLE 1TITLE 2 CHAPTER 1CHAPTER 2CHAPTER 1CHAPTER 2CHAPTER 3 DVD-VIDEO DISC 6 English Video CD You wil

39、l recognize Video CDs by the logo shown on left. Depending on the material on the disc (a movie, video clips, a drama series, ect) the disc may have one or more tracks. Tracks may have one or more indexes, as indicated on the disc case. To make playback easy and convenient, your player lets you move

40、 between tracks and indexes. Some Video CDs have Play Back Control (PBC), which is a predefined playback sequence stored on the disc. Super VCD SVCD discs is the super VCD 1.0 Standard based on the Standard of the information Industry Department of the Peoples Republic of China. Audio CD Audio CDs c

41、ontain music tracks only. You will recognize Audio CDs by their logo which is shown on left. You can play audio CDs in conventional style through a stereo system, using the keys on the remote control and/or front panel, or via the TV using the On-Screen Display (OSD). Unpacking First check and ident

42、ify the contents of your DVD-Video player package. You should have the following items. DVD-Video player Remote Control with batteries Audio/video cables AC cord Instructions for use If any item is damaged or missing, contact your retailer or Philips. Keep the packaging materials; you may need them

43、to transport your player in the future. Placement Place the player on a firm, flat surface. Keep the player away from domestic heating equipment and direct sunlight. In a cabinet, allow about 2.5cm (1 inch) of free space all around the player for adequate ventilation. The lens may cloud over when th

44、e DVD-Video player is suddenly moved from cold to warm surroundings. Playing a CD/DVD is not possible then. Leave the DVD-Video player in a warm environment until the moisture evaporates. To view the typeplate, please refer to the bottom of the player. TRACK 1TRACK 2 INDEX 1INDEX 2INDEX 1INDEX 2INDEX 3 VIDEO CD / / Introduction 7 English Functional Overview Front Panel POWER ON/OFF Switch the player to on/off mode Standby indicator Lights up red when the player is in standby mode DISPLAY Shows the current status of the player 9 STOP T NEXT