Philips-MCM-233-Service-Manual电路原理图.pdf
Version 1.2MCM2333141 785 34892Sleek micro music system-/12/55/79/78/98Published by LX 1042 Service Audio Subject to modification©Copyright 2010 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 .1-2Service measurement setup.1-3Service aids .1-4Instructions on CD playability .2-1. 2-2Block diagram.3-1Wiring diagram .3-2Main boardCircuit diagram .4-1.4-2Layout diagram.4-3.4-4Key boardCircuit diagram .5-1Layout diagram.5-2Exploded view diagram .8-1Revision list.9-1LCD boardCircuit diagram .6-1Layout diagram.6-2 Headphone boardCircuit diagram .7-1Layout diagram.7-2Ampli?erTotal output power 2 x 10 W RMSFrequencyresponse 80 Hz - 16 kHz, ± 3 dBSignal to noise ra o > 60 dBMP3 link input0.5 V RMS 20 k DiscLaser type SemiconductorDisc diameter 12 cm /8 cmSupport disc C D -DA , C D -R, C D -RW, MP3-C D, W MA-CDAudio DA C 24 Bits / 44.1 kHzTotal harmonicdistor on 55 dBATunerTuning range FM: 87.5 - 108 MHzTuning grid 50 KHzNumber of presets 20SpeakersSpeaker impedance2 x 10 W, 6 General informa onAC power 100-240V ,50/60HZOpera onPowerCo nsump on15 WStandby Power Co nsump on 1 WEco Power Standby PowerCo nsump on0.8 WUSB Direct Version 2.0/1.1Dimensions- Main Unit (W x H x D)565 x 245 x 104 mmWeight-MainUnit 2.7kgTECHNICAL SPECIFICATION1 - 2Type /Versions:FeaturesBoard in used:MCM233Service policyKEY BOARDLCD BOARD* TIPS : C - Component Lever Repair.M - Module Lever Repair - UsedFeature diffrenceRDS 3-3 3-31)Romove the 12pcs screws(BT3x12) on the side cabinet to discharge the rear cabinet and place well;2)Remove the FFC cable on IPOD BD from Main BD,1st get remote control lens out, then remove the 4pcs screws (PA 2.3x8) which fix IPOD BD to discharge IPOD BD;3)Remove all cables on Main BD;PS: Get your hand to the Main BD as close as possible when you unplug the cables to avoid destroying cables;4)Remove the 4pcs screws(PT 3x8) on Main BD rip off the black paper from FCC cable on CD deck discharge Main BD and place it well; , , IPOD cableDisplay BD cableMotor CableOpen button FFC cable to CD deckIPOD AssemblyDC cable2P cable to right SPKRemote Control 2P cable to left SPK6P Deck cablepic 1pic 2pic 3pic 45)Remove the 4pcs screws(PT3x8) on CD deck, please add some soldering on the weld protect point and keep it in a ant-static bag;6)Remove the 4pcs screws(PA 2.3x8 ) on Display BD, discharge Display BD and paste protect film on it and place it well;7)Draw the CD door with your right hand,press one buckle with your left hand(pic 7-1),then press the other buckle(pic 7-2),discharge CD door and place it well; bklprotect weld pointbucklebucklepic 5 pic 6 pic 71 pic 72 pic 734 - 14 - 1CIRCUIT DIAGRAM - MAIN BOARDPART 1
