Philips-FWV-182-Service-Manual电路原理图.pdf

Version 1.0FWV182© 3141 785 30780Service ManualMP3 VCD Mini Systemall versionsPublished by LX 0607 Service Audio Printed in The Netherlands Subject to modification©Copyright 2006 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrievalsystem or transmitted, in any form or by any means, electronic, mechanical, photocopying,or otherwise without the prior permission of Philips.TABLE OF CONTENTSCLASS 1LASER PRODUCTHandling chip components .1-1Information about lead-free soldering.1-2Technical specification.2-1Service tools .2-1Service measurement setup.2-2Connections and controls.3-1.3-3Maintenance and troubleshooting .3-4Disassembly diagram .4-1.4-2Set block diagram.5-1Set wiring diagram.5-2FRONT BOARDcircuit diagram .6-1layout diagram.6-2 6-3 VCD BOARDcircuit diagram .7-1 layout diagram .7-2POWER BOARDcircuit diagram .8-1 layout diagram .8-2VOL SELECT AND ANT BOARDlayout diagram .9-1MAIN BOARDcircuit diagram(tuner part).10-1 circuit diagram(tape part).10-2 circuit diagram .10-3 layout diagram.10-4 10-5Exploded view diagram.11-1Mechanical partslist .11-2Electrical partslist.12-1.12-6VIDEO CD1 - 1HANDLING CHIP COMPONENTS1 - 2INFORMATION ABOUT LEAD-FREE SOLDERING Philips CE is producing lead-free sets from 1.1.2005 onwards. IDENTIFICATION: Regardless of special logo (not always indicated) one must treat all sets from 1 Jan 2005 onwards, according next rules: Example S/N: Bottom line of typeplate gives a 14-digit S/N. Digit 5CONNECTION AND CONTROLSControls (illustrations on page 3 opens the tapecompartment.PAUSE.interrupts recording or playback.¡Numeric Keypad (0-9)for CD/VCD/MP3-CD - to select a tracknumber. (numbers consisting more than 2 figuresmust be keyed in within 2 seconds)MIX SELselects disc format (CD/MP3-CD) from a mixedmode disc.£ REPEAT A - Bplays a certain scene or passage of a CD/VCDrepeatedly.(REPEAT A - B is not possible forMP3-CD)DIGESTscans through a VCD or a specific track.RETURNreturns to the previous MENU level duringplayack (for VCD with PBC on)§AUDIO/VOCALfades out the original vocal from a Karaoke VCDor switches between mono or stereo modeduring audio disc playback.selects channel left / channel right / stereosuond,or selects a luanguage in a billingual VCD.2;¡ 5 69 3 - 3PreparationsRear connections The type plate is located at the rear of thesystem.APowerBefore connecting the ACpower cord to thewall outlet,ensure that the following are done;If your system is equipped with aVoltage Selector, set the VOLTAGESELECTOR to the local power linevoltage.All other connections havebeen made.WARNING! For optimal performance,use only theoriginal power cable.Never make or change any connectionswith the power switched on.Toavoid overheating of the system,a safetycircuit has been built in.Therefore,yoursystem may switch to Standby modeautomatically under extreme conditions.Ifthis happens,let the system cool downbefore reusing it (not available for all versions).VOLTAGE SELECTOR110V- 127V 220V- 240VBAntennas Connection MW Antenna Connect the supplied MW loop antenna to the “AM antenna”terminal.Adjust the position ofthe antenna for optimal reception.Fix the claw to the slotMW ANTENNAPosition the antenna as far as possible from a TV,VCR or other radiation source.FM Antenna It is unnecessary to connect the FM pigtailantenna since it is fixed to the main unit.VOLTAGE SELECTOR110V- 127V 220V- 240VSpeaker(right)Speaker(left)MW loop antennaACpower cordFM wire antennaAM ANTENNAFM ANTENNA AUX/CDRR LSPEAKERS 6!MaintenanceCleaning the CabinetUse a soft cloth slightly moistened with a milddetergent solution.Do not use a solutioncontaining alcohol,spirits,ammonia or abrasives.Cleaning DiscsWhen a disc becomes dirty,clean it with a cleaning cloth. Wipe the disc from the centre out.Do not use solvents such asbenzene, thinner, commerciallyavailable cleaners,or antistaticspray intended for analogue records.Cleaning the disc lensAfter prolonged use, dirt or dust mayaccumulate at the disc lens.Toensure goodplayback quality, clean the disc lens with PhilipsCD Lens Cleaner or any commercially availablecleaner. Follow the instructions supplied withcleaner.Cleaning the Heads and the Tape PathsToensure good recording and playback quality,clean the heads A, the capstan(s) B, andpressure roller(s) Cafter every 50 hours oftape operation.Caution:Do not rotate the heads duringcleaning.Use a cotton swab slightly moistened withcleaning fluid or alcohol.You can also clean the heads byplaying acleaning tape once.AABCDemagnetising the headsUse a demagnetising tape available at yourdealer.WARNINGUnder no circumstances should you try to repair the system yourself,as this willinvalidate the warranty.Do not open the system as there is a risk of electric shock.If a fault occurs,first check the points listed below before taking the system for repair.Ifyou are unable to remedy a problem byfollowing these hints,consult your dealer orPhilips for help.“NO DISC” is displayed.No picture on TV screen.No colour on TV.Insert a disc.Check if the disc is inserted upside down.Wait until the moisture condensation at the lenshas cleared. Replace or clean the disc, see “Maintenance”.Use a finalised CD-RW or CD-R.Connect the cable betwen the system and TV.Change the system to the respective PAL orNTSC setting.ProblemSolutionTroubleshootingMAINTENANCE AND TROUBLESHOOTING4 - 14 - 1AB12Dismantling of the Cassette Cover1)Loosen 4 screws to remove the Cover Top of the set.1)Loosen 4 screws to remove the Cassette Deck.2)Loosen 4 screws to remove the Cassette Keys .2)Loosen 2 screws to remove the Panel Left and 2 screwsto remove the Panel Right of the set.Connect AC power cord first, open the CD tray and remove VCD Door as shown in the diagram below.3)4)Remove screws M3x10 - 4pcs.Remove the Cassette Coveras indicated.Dismantling of the VCD Module3)Push the catch outside and take out damper gear assembly as indicated. . 4) DEDISASSEMBLY DIAGRAM