Philips-MCM-1120-Service-Manual电路原理图.pdf

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1、MCM1120/allTABLE OF CONTENTSPageTechnical specification .1-14Safety instruction. ESD protection. . . Set Block diagram . .3-1Set Wiring diagram. .4-1Disassembly diagram . 5-1Main boardCircuit diagram.6-1 Layout diagram.6-2.6-3Display DSC setting in Jazz mode with DBB OFF(2*) Input Sensity rated, Tun

2、er is +/-6dB( At Cold Condition with 10% THD )Main Operation ( for DCB188/05/12 )2 #REF!#REF!: 5W, 2 ChannelsVer Issued DateClass No5-Sep-111A4DATE :NAME : DS.XIECHECK 10 10 SH 190 - 4GENERAL PART 1 - GENERAL SPECICFICATIONMCM1120 All Version3Frequency Response: : 60Hz - 16KHz ( At 500mV Output in F

3、LAT Mode )At 10% THD DIST O/P POWER 2X5WMicrophone N/AA.NtuO retsooBAUX 500 mV 2 Db(lim:650mv)A/NEPATA.NtuO laixaoC latigiDA/N BSUA.N) thgiR / tfeL ( tuO eniLnoitaludoM %08 MA,zHK5.76 MF renuTA/N)tupni Bd0 DC ta(enohpdaeHA.NtuO refoowbuS ) 51 krT ,1 csiD oiduA ( kcart Bd 6- DCdBINTERCONNECTSInput Se

4、nsitity ( 3dB ) rated ouput power at 1 kHz Line Output Voltage ( *1 )RETLIF() dethgiew ( esioN / langiSA/N: XOOW 50mv) zHk 1 ta ( noitarapeS lennahCA/N: CAV 30 dB5.1)RETLIF() muiniM emuloV ( esioN laudiseRA/N: SISvm3)RETLIF() emuloV 02- ( muHFFO/NOBBD3Bd64- ta recnereffiD lennahCPOP,salC,kcoR,zzaJ:

5、CSDINDICATORSStandby Mode Indicator : LCD display time ECO Mode Indiicator : N/AELECTRICAL DATAdBOUTPUT stage Protection : NO Temperature : No. Shorcircuit : YesLoudSpeaker D.C. Protection : NO.TECHNIAL DESCRIPTION2 x 5W , matching LOUDSPEAKER of 2 x 4ohm. One INPUT SOURCE, ( Digital Sound Control )

6、.GENERAL PART1 - 8A4#REF!CHECK3 #REF!5-Sep-11MICRO System with Digital Tuner, Clock Timer ,ipod, 2 x 5W Universal Class D Power AmplifierAux In, Head Phone and Remote ControlIssued Date1DATE :NAME : DS.XIE 10 10 SH 190 - 5Class NoMCM1120 All VersionVer2RemarksGENERAL PART 1 - GENERAL SPECICFICATION0

7、 + 6 dBFrequency DBB OFF DBB ON125 HzSelect AUX as input source with the following set conditions :Inject sine wave 600mV at 1kHz to L/R channels of AUX - IN socket.Set DSC to CLAS(Flat) mode and switch off DBB, Adjust volume level will be as 0dB reference.(Volume 15).Tabel 2 ( Tolerance 3dB )42 ) D

8、BB ( Dynamic Bass Boot ) 10 kHz -0.2 5 -0.2Tabel 1a ( Tolerance 3dB ) without Test108 10 66.04.25.0zHk 1Tabel 1b ( Tolerance 3dB ) without TestFrequencyDSC Modes with DBB ONJAZZ ROCK CLAS POP2125 Hz10 kHz -2.2 2.5 -0.3 23 7 0.1023.0-zHk 1FrequencyDSC Modes with DBB OffJAZZ ROCK CLAS POP51.4125 HzAUD

9、IO SIGNAL PROCESSING1 ) DSC ( Digital Sound Control )Select AUX as input source with the following set conditions:Inject sine wave 600mV at 1 KHz to L/R channels of AUX-IN socket.Set DSC to CLAS(Flat) mode and switch off DBB,OSM&INCREDIBLE SURROUND.Refence level for DSCs without DBB on=500mW(Volume

10、15).Refence level for DSCS with DBB on=1V at the speaker terminal (Volume 15).Inject sine wave 600mV to AUX-IN socet with frequencies indicated in Table 1.1 - 9: 4.76 CM / S Auto Stop ( all functions )TECHNIAL DESCRIPTIONV/CASS SINGLE DECKGENERAL PART: 0.4 ( DIN ) % Auto Replay: YesoN :esreveR otuA%

11、 0.3 :lortnoC deepSTape Speed: 2 Tracks ( Stereo ) Recording: NooN :weiveR euCS031 :06 C dniweR / dniW tsaFWOW and FluttergnirotinoMI CEI : YesMech. Noise ISO oN :gnixiM) A ( Bd93 : deepS lamroN :No. of TracksgnibbuD deepS hgiHA/N : NoTape ( Recording ) oN :dellortnoC etomeR1 CEI :Tape ( PB ): NoRec

12、ording Level oN :metsyS noitcudeR esioNotuA :Tape SelectoN :kcabyalPDCL :yalpsiDINDICATIONSRecording Level : NoELECTRICAL DARA.miL pyT .miL pyT Bias & Erase System A.M. A.C. : 70 5 kHz Channel Differenc at OverallBias & Erase System F.M. A.C. : 70 5 kHz Channel Differenc at PB : 0 4 dB: 1 4 dB: 3 7

13、%: 3 25 mSoN :tfihS - FIRErasing Attenuation ( ICE I ) : 40 30 dB ALC Attack TimekHz Distortion 250nWb/mTrack Separation at 1 kHz : 40 35 dB REC LEVEL(From FM/67.5k dev)Channel Separation at 1 kHz : 24 18 dB ALC Recovery Time : 40 S: -3 = 3 dB: 4 mVPlay freq. Response(125Hz-8KHz) : +3 -8dB Reco. Fre

14、q. Response(125Hz-8KHz) : +3 -8dB Hum & Noise(Min Vol)120 Mv03 04 :121TTM ) dethgiwnU ( esioN / langiS P/R Db04 54 :121TTM ) dethgiw-A ( esioN / langiS/ B/P dBIssued Date1 2011-9-5RemarkHum (Volume Max)2CASSSTTLE DECK SPECICFICATIONClass NoMCM1120 All VersionVer10 10 SH 190 -63A4KT CHECK DATE : NAME

15、 :DS.XIE1 - 10RemarkDCL :epyT yalpsiDNo of Timer Settings : 1Clock Accuracy : Nom : 2 sec/day Limit : 4 sec/dayINDICATORSedom renuT & DC :edoM puekaW remiTsrh42 :gnitteS emiT skrameR)21LOV(gnitteS tluafeD :puekaW ta emuloVTECHNIAL DESCRIPTIONSOFTWARE IMPLEMENTED CLOCK / TIMER FUNCTION WITH 32.768KHz QUARTZ OSCILLATOR.GENERAL PARTremiT dna kcolC :gnitteS remiTA4NAME : DS.XIE 10 10 SH 190 - 72 #REF!3 #REF!1 5-Sep-11CLOCK / TIMMER SPECICFICATIONClass NoMCM1120 All VersionVer Issued DateCHECK: DATE :