Philips-MCD-280-Service-Manual电路原理图.pdf
version 1.0MCD280© 3141 785 30090Service ManualDVD Micro Systemall versionsPublished by SL 0439 Service Audio Printed in The Netherlands Subject to modification©Copyright 2004 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.Handling chip components .1-1Technical specification.2-1Service tools .2-1Service measurement setup.2-2Connections and controls.3-1.3-4Pin-description of ICs.3-5Disassembly diagram .4-1Set block diagram.5-1Set wiring diagram.5-2DISPLAY BOARDcircuit diagram .6-1layout diagram .6-2KEY BOARD 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 makeor change any connectionswith the power switched on.(right)(left)MW loop antennaantennaINTelevisionL RIN- L + R -Pr/CrPb/CbY S-VIDEO OUTVIDEOOUTDIGITAL OUTAUXinRLLINEOUT SUBWOOFER OUTSPEAKERCOMPONENT VIDEO OUTAM aerialACpower cordCrCb YBA- 0 2 2 V 0 4 21- 0 1 V 7 2 1A- 0 2 2 V 0 4 21- 0 1 V 7 2 13 - 3ConnectionsIMPORTANT!To set the VIDEO OUT (put) to Cr CbY,(see Setting video preference).Using component Video In jack (Cr CbY)Use the component video cables (red/blue/green) to connect the systemsCr Cb Y jacks tothe corresponding Component video input jackson the TV set.Pr/CrPb/CbYS-VIDEO OUTVIDEOOUTDIGITALOUTAUXinRLLINEOUT SUBWOOFER OUTCOMPONENT VIDEO OUTAM aerialIMPORTANT!If the pictureis distorted,check theVideo Output setting.Make sure it is setto S-Video.(See Setting videopreference).Using S-Video In jackUse the S-Video cable (not supplied) to connectthe systems S-VIDEO OUTjack to the S-Video input jack (or labeled as Y/C or S-VHS) onthe TV 0Pr/CrPb/CbYS-VIDEO OUTVIDEOOUTDIGITALOUTAUXinRLLINEOUT SUBWOOFER OUTCOMPONENT VIDEO OUTAM aerialCONNECTION AND CONTROLSConnectionsStep 2:Connecting speakersspeaker(right)speaker(left)- L + R -SUBWOOFER OUTSPEAKERConnect the speaker wires to the SPEAKERSterminals,right speaker to“R”and left speaker to“L”,coloured (marked) wire to “+”and black(unmarked) wire to “”.Fully insert the strippedportion of the speaker wire into the terminal asshown.Notes: For optimal sound performance, use thesupplied speakers.Do not connect more than one speaker to anyone pair of +/- speaker terminals.Do not connect speakers with an impedancelower than the speakers supplied.Please refer tothe SPECIFICATIONS section of this manual.IMPORTANT!The type plate is located on the rear ofthe system. Toavoid overheating of the system,asafety circuit has been built in.Therefore,your system may switch toStandby mode automatically underextreme conditions.If this happens,letthe system cool down before reusingit.Step 3:Connecting TV setIMPORTANT!You only need to make onevideoconnection from the following options,according to the capabilities of your TVsystem. Component Video connectionprovides higher picturequality.Theseoptions must be available on your TV set.Connect the system directly to theTVset.Using Video In jack (CVBS)Use the composite video cable (yellow) toconnect the systemsVIDEO OUTjack to thevideo input jack (or labeled as A/V In,Video In,Composite or Baseband) on the TV set.SpeakersFront Left (L)Front Right (R)Black BlackGreyGrey-+Pr/CrPb/CbYS-VIDEO OUTVIDEOOUTDIGITALOUTAUXinRLLINEOUT SUBWOOFER OUTCOMPONENT VIDEO OUTAM aerial3 - 4ConnectionsStep 5:Connecting Digital outDIGITAL INPr/CrPb/CbY S-VIDEO OUTVIDEOOUTDIGITALOUTAUXinRLLINEOUTCOMPONENT VIDEO OUTAM aerialIMPORTANT!Toselect ALL or PCM 48 KHz for DigitalOut,please see Setting Digital Out.Digital out selecion enables you to specify thetype of digital output suitable for our amplifier orreceiver.SelectALLif you haveconnected the digitaloutput to a multifunctional decoder receiver.SelectPCM 48Kif the external component isincapable of processing 96KHz digital signal input,and then convertthe standard signal with thesampling rate of 48KHz.Step 6:Connecting the powercord AC MAINSAUDIO OUTPr/Cr Pb/Cb YS-VIDEOIN VIDEO INCOMPONENT VIDEO INPowerOutlet- L + R -SPEAKERIMPORTANT!Never make or changeany connectionwith the power switched on.After every is connected properly, plug in the ACpower cord to the power outlet.CONNECTION AND CONTROLSConnectionsIMPORTANT!If your TV set only has a singleAntenna In jack (or labeled as 75 ohm or RF In),you will need a RF modulator inorder to view the DVD playback via TV.See your electronics retailer or contactPhilips for details on RF modulatoravailability and operations.Using an accessory RF modulatorUse the composite cable (yellow) to connect thesystems CVBSjack to the video input jack onthe RF modulator.Use the RF coaxial cable (not supplied) toconnect the RF modulator to your TVs RF jack.AUDIO IN R LVIDEOINTO TVANT INCH3 CH4RF coaxial cable to TVBack of RF Modulator(example only)Antenna orCable TV signalPr/CrPb/CbYS-VIDEO OUTVIDEOOUTDIGITALOUTCOMPONENT VIDEO OUTStep 4:Connecting the subwoofer (notsupplied)speaker(right)speaker(left)Subwoofer4- L + R -SUBWOOFER OUTSPEAKERIMPORTANT!Ensure that the speaker cables arecorrectly connected.Improperconnections may damagethe system dueto shortcircuit.Do not connect speakers with animpedance lower than that of thespeakers supplied.Place the subwoofer on the floor near theTV.Connect the subwoofer to the SUBWOOFEROUT jack on the DVD micro system.Connect the power cable for the subwoofer.R3 - 53 - 5PINASSIGNMENTSFOR48-LEADTSOPY-DecoderI/O Buffers and Data Latches360 ILLB1.2Address Buffer & LatchesX-DecoderDQ15- DQ0Memory AddressOE# CE#WE#SuperFlashMemoryControl LogicFUNCTIONALBLOCKDIAGRAMA15A14A13A12A11A10A9A8NCNCWE#NCNCNCNCNCNCA7A6A5A4A3A2A1123456789101112131415161718192021222324A16NCVSSDQ15DQ7DQ14DQ6DQ13DQ5DQ12DQ4VDDDQ11DQ3DQ10DQ2DQ9DQ1DQ8DQ0OE#VSSCE#A0484746454443424140393837363534333231302928272625360 ILLF01.2Standard PinoutTopViewDie UpSST39LF200A/400A/800ASST39VF200A/400A/800ASST39LF/VF200AA15A14A13A12A11A10A9A8NCNCWE#NCNCNCNCNCA17A7A6A5A4A3A2A1SST39LF/VF400AA15A14A13A12A11A10A9A8NCNCWE#NCNCNCNCA18A17A7A6A5A4A3A2A1SST39LF/VF800ASST39LF/VF200AA16NCVSSDQ15DQ7DQ14DQ6DQ13DQ5DQ12DQ4VDDDQ11DQ3DQ10DQ2DQ9DQ1DQ8DQ0OE#VSSCE#A0SST39LF/VF400AA16NCVSSDQ15DQ7DQ14DQ6DQ13DQ5DQ12DQ4VDDDQ11DQ3DQ10DQ2DQ9DQ1DQ8DQ0OE#VSSCE#A0SST39LF/VF800AIC SST39LF-VFx00A_Block DiagramBLOCK DIAGRAM+5V18K15KIN (L)1µF15K1µFMUTE/ST-BYGNDIN (R)1µF4.74.7 100nF100nFOUT(L)OUT(R)1000µF1000µF+VS35796112 4+ - -D94AU085RL(L)RL(R)-VSµP56018KIN- (L)810IN- (R)156018KPINDESCRIPTIONSymbolPin NameFunctionsAMS1-A0AddressInputsToprovidememoryaddresses.DuringSector-Erase AMS-A11addresslines willselect thesector.DuringBlock-EraseAMS-A15addresslineswillselecttheblock.DQ15-DQ0DataInput/outputTooutputdata duringRead cyclesand receiveinputdataduringWrite cycles.Dataisinternallylatched during a Write cycle.The outputsareintri-statewhenOE# or CE# ishigh.CE#ChipEnableToactivatethedevicewhenCE# islow.OE#OutputEnableTo gatethedataoutputbuffers.WE#WriteEnableTocontrolthe Writeoperations.VDDPower SupplyToprovide power supplyvoltage:3.0-3.6V for SST39LF200A/400A/800A2.7-3.6V for SST39VF200A/400A/800AVSSGroundNCNoConnectionUnconnected pins.1.AMS= MostsignificantaddressAMS= A16for SST39LF/VF200A,A17for SST39LF/VF400A,and A18forSST39LF/VF800ATDA7269ASA_Block Diagram IC SST39LF-VFx00A_Pin Description4 - 14 - 1A.ToremoveCabinet Rear B.ToremoveCD TrayC.ToremoveMain Board D.ToremoveBottom Plate E.ToremoveTape Deck F.ToremoveDisplay Board G.ToremoveKey BoardG110F14D12E14B14A92C1D2C2A72A62A82A42A1A32A52 2A24(1x)33(2x)5(2x)5(2x)5(2x)55(2x)5(2x)3(2x)4325(2x)5(2x)5DISASSEMBLY DIAGRAM
