Philips-DCM-3020-Service-Manual电路原理图.pdf
Version 1.4DCM30203141 785 36284120W Micro music system/12/05/55/79Published by SW 1136 Service Audio Subject to modification©Copyright 2011 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.CONTENTSTechnical specification and version variation .1Service measurement setup.1-3Service aids .1-4Instructions on CD playability .2-1. 2-2Block diagram .3-1Wiring diagram .4-1Disassembly diagram.4-2.4-3 Main boardCircuit diagra.5-1.5-4 Layout diagram .5-5CD boardCircuit diagram .6-1 Layout diagram .6-2DISPLAY/KEY/JACK/USB boardCircuit diagram .7-1 Layout diagram .7-2.7-3SMPS Power boardCircuit diagram .8-1 Layout diagram .8-2Exploded view diagram .9-1Type /Versions:FeaturesBoard in used:DCM3020Service policyMain BOARDCD BOARD* TIPS : C - Component Lever Repair.M - Module Lever Repair - Used/05 /55/79/12Feature diffrenceRDSVOLTAGE SELECTORECO STANDBY - DARKType /Versions:DCM3020/05 /12 /55/79VERSION VARIATIONM/CPower BOARDIpod BOARD(EUROPE) (EUROPE) (LATAM)Headphone JACK BOARDUSB BOARDTuner BOARDKey BOARDCD Door BOARDDisplay BOARDCCCCCCCCCCCCCCCCCCCCM/CM/CM/CM/CM/CM/CM/CM/CM/C 010203040506070809101112131415161718192021222324252627282930KTDescription Pos. Description Pos.13247568910111213141516)1718)19)20)21)22)23)24)25)26)27)28)Battery locationNAREMARKS :(3) LINE IN CABLE(2) SPEAKER BOX (X2PCS)ACCESSORIES :(1) REMOTE CONTROLCABINET41Dimensions with Boxes (L XXX x W XXX x H XXX): mm Material: XXX / XXX 38Dimensions without Boxes: XXX*XXX*XXX mm (LxWxH) Finishing: XXX 39Weight (including packing): XXX kg Unit in Mastercarton: N/A 40Weight (excluding packing and batteries): XXXkg Units in Dealercarton: 1 setPos. Connection/Function Connector type Electrical data (input or R.O.P)INTERCONNECTION POSSIBILITIESSET SPECIFICATIONRevise Check:CD MICRO SYSTEM Date: Tot.Sh.: 7 Name: Date:2010-11-15 SHEET 1GENERAL DESCRIPTIONLIFETIME(according to XUT-0026)5 YearsPERFORMANCE CLASSESClass Tuner Supply+Amplifier Cassette Recorder DVD/CDIX XII X XIIISAFETY requirementsIEC60065RADIATION/IMMUNITY requirements(EMC)CLIMATIC requirements(according to UAN-D1590)ALL climates : +5 till +40 MODERATE climates :tiPOWER SUPPLYMAINS (AC)Version /12AC Voltage 230V ± 10%Voltage Selection NAFrequency 50 HzPOWER CONSUMPTIONDCM3020Operation (1/8 Prated,Nom AC input) 50WStandby(Demo Mode“Off“,Nom AC input) 3gOUTPUT POWER(4 ohm Loading)Mains Operation : 2 X 60W(NORMAL)Frequency Response 100Hz 16KHz within +3/-3dB ( REF output )ipod&iphone Compatibility: iPod 5G, iPod nano 1G/2G/3G, Classic, iPod Touch, iPhone included 3GS Iphone4 Ipadipod&iphone charging : 2100mA2 X 55W(LIMIT)2.5 mW - 2 dB , R Load = 32 ohm max At cold condition with 10%THD 1KHz(Euro & Nafta)CD-DA CD-R/RW MP30dB, 1kHz CD (Apac & Latam)Power Standby Mode: LOUDSPEAKER(BOXES)Rated Impedance : Left/Right: 4 100 Hz 15kHzMatrix: NAREMARKS(*1) Deviations from PQR (*2) Revise CD MICRO SYSTEM Tot.Sh.:Electronical Parameters are to be measured at speaker terminal across input singal in cd mode setting in DBB Off unless specified otherwise.ohm load with SET SPECIFICATIONSHEET 4 Name: 7Check: Date: Date:2010-11-15TECHNICAL DESCRIPTIONDVD MINI SYSTEMGENERAL PARTWAVE Range(-/21) TOLERANCEFM 87.5-108MHz MHzAMN/AAERIAL:FM : PIGTAIL ANTENNA WIRE 1.2MINDICATIORSVFDELECTRICAL DATAN/A Limit Unit FM Nom limit unitN/A -3dB Limiting Point : 17 23.5 dBN/A Amplification Reserve(*1) : 0N/A Distortion(RF 1 mV, Freq.Dev.75kHz) : 2 3 %N/A 26dB Quieting Sensitivty : 18 22 dBfN/A Crosstalk (RF 1mV Freq. Dev.40kHz) : 30 26 dBN/AN/A Search time 2430 1935 dBfN/A St Turn-on Point Ratio/Quad Detectors : NA dBfN/A Search Tuning Sensitivity - 60 SecN/A AM Suppression I/P: 4882dBf 30 25 dBN/A Modulation Hum : 55 45 dBN/A 8th, 9th, 10th Harmonics Whistle : 40 35 dBN/A Overall Frequency Response(6312.5kHz)0 ±3 dBN/A FM 46dB Quiying sensitivity (Stereo) 45 50 dbfN/A FM S/N Ratio(A weighted) Mono input 68d 55 50 dB Rat o( N/A FM Adjacent Channel selectivity 20 25 dBN/A FM Image Rejection 30 20 dB *FM Channel Seperantion 1K 2820dBImage IF Rejection Large Signal SelectivityWave Range SENS Rejection Handling S9/300kHzFM Nom. 18 116 dBf 24Lim. 22 108 dBf 20Units. dBf dB dB mV/m dBREMARKSV/m7 SHEET 55020Revise SET SPECIFICATIONTot.Sh.:24 55Check: Date: Name: Date:2010-11-15CD MICRO SYSTEM Description External DAC CD MECH:Channel Unbalance <±2dB ( Vol 0 -50dB )Frequency Response(+0.5/-1.0dB) 20Hz20kHzSignal to Noise Ratio(A-weighted) 70dBA(Lim 65 dBA)THD Noise(20 20,000Hz) 0.5%(Lim 2%)(1kHz) 0.1% at -20dBFSOutband Attentuation 35dBChannel Separation 1K 40dB (Lim.30dB)16K 35dB(Lim.25dB)20K 30dB(Lim.25dB)Emphasls(switched automatically by CD 10) 15 / 50sMp3 performancedescriptionBit rates 32K-320KpsSampling rates(MPEG-1 Layer 3) 32kHz/44.1KHZ/48kHzJoliet (8 character OSD display)Windows XPUDF basic (close format)Mp3 multisession Directory resting Max 8 level, Max directory 32 Display filename/ID3255 folders/999songsipod&iphone performancedescriptionChannel balance Limit: 2dBsingnal to noise ratio(unweighted) Limit:60dBChannel seperation Limit:45dBMax.volume noise(Bass off) Limit:3mVMax.volume noise(Bass off) Limit:1mVipod&iphone Compatibility: iPod 5G, iPod nano 1G/2G/3G, iPodClassic, iPod Touch, iPhone&3Gipod&iphone charging : 1000mADVD PARTSanyoDA11VFRevise CD MICRO SYSTEM SET SPECIFICATIONCheck:Name: Date:2010-11-15Date: Tot.Sh.: 7 SHEET 6TECHNICAL SPECIFICATIONGENERAL PARTTmie Setting : Clock and TimerTimer Wakeup Mode : CD / Tuner/Aux (Depend on power off source)Remarks Time Setting : 24 HrsWake Up Volume Control : No Volume at Wakeup : NCNo of Timer Settings : 1Clock Accuracy : Lim. +/- 2 sec / dayRC operating distance :INDICATORSDisplay Type : VFDREMARKSVERSION OVERVIEWTape PART SPECIFICATIONName: Date:2010-11-15 Tot.Sh.:Check: Date: 7 SHEET 7Revise CD MICRO SYSTEM SET SPECIFICATION1-3LF Generator e.g. PM5110RecorderUse Universal Test Cassette CrO2 SBC419 4822 397 30069LEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metee.g. Sound Technology ST170LRDUTor Universal Test Cassette Fe SBC420 4822 397 30071LEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metere.g. Sound Technology ST1700BLRDUTCDUse Audio Signal Disc(replaces test disc 3)SBC429 4822 397 30184Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTS/N and distortion metere.g. Sound Technology ST1700BFrame aeriale.g. 7122 707 89001Tuner AM (MW,LW)To avoid atmospheric interference all AM-measurements have to be carried out in a Faraday´s cage.Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz).RF Generator e.g. PM5326Ri=50:Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTRF Generator e.g. PM5326S/N and distortion metere.g. Sound Technology ST1700BUse a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).Ri=50:Tuner FMMEASUREMENT SETUP
