Philips-MCM-277-Service-Manual电路原理图.pdf

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1、GBCLASS 1LASER PRODUCTCOMPACTDIGITAL AUDIOServiceServiceServiceServiceServiceMCM277/05/12/98Copyright 2010 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrieval system ortransmitted, in any form or by any

2、 means, electronic, mechanical, photocopying, or otherwisewithout the prior permission of Philips.Published by SL1020 Service Audio Printed in The Netherlands Subject to modificationMicro System3141 785 32376Version 1.6Service ManualFrom week 0913 onwards, ALI solution(decode IC) has been adoptedto

3、replace ROHM solution(decode IC), accordingly new Main Board In standby or Eco Power mode:press andhold to toggle between Standby and ECOPOWER mode (power-saving mode)Red indicator:lights up red when the set isswitched to ECO POWER mode2SOURCEselects sound source CD,USB,TUNERorAUXIn standby or Eco P

4、ower mode:switches theseton and selects sound source CD,USB,TUNERor AUX3IRsensor for the infrared remote controlHelpful hints:Always point the remote controltowards this sensor.4PUSH OPENpush to unfold or fold the control panel5CD OPEN CLOSE0opens/closes the CD door6CD door7VOLUMEadjusts the volume

5、levelClock/Timer:adjusts the hours and minutes8nnnnn3.5 mm headphone socketHelpful hints: Adjust the volume to a moderate levelbefore you plug in the headphones.Connecting headphones will switch off thespeakers.9ALBUM/ PRESET +/-CD/USB:selects albums (for MP3/WMA only)TUNER:selects a preset radio st

6、ation4 /CD/USB:skips or searches CD tracks/titlesbackwards/forwardsTuner:tunes to radio stations6CD/USB:starts or pauses playback0DBB(Dynamic Bass Boost)turns the bass enhancement on/off!DSC(Digital Sound Control)selects predefined sound settings:ROCK,JAZZ,POP,CLASSICPROGRAMCD/USB:programs tracks Tu

7、ner:programs preset radio stations#STOPCD/USB:stops playback;erase a program$AUX-INconnects to the AUDIO OUT jack on theexternal appliance% jack for the external USB mass storage deviceRemote control7 81% $ ! 90#2 4 5 63USB/AUXselects the audio input from an additional connected applianceIn standby

8、or Eco Power mode:switches theset on and selects the audio input from an additional connected appliance3VOLUME+/-adjusts the volume levelClock/Timer:adjusts the hours and minutes4TIMERdisplays the timer settingswitches the timer on/offenters the timer setting mode (press and holdfor more than 2 seco

9、nds)5SLEEPset the sleep timer6MUTEswitches the sound off temporarily7RDS/NEWSTuner:selects RDS (RadioDataSystem)informationCD/USB/AUX:activates/deactivates news8SHUFFLEselects random playback9REPEATselects continuous playback0DSC(Digital Sound Control)selects predefined sound settings:ROCK,JAZZ,POP,

10、CLASSIC!DBB(Dynamic Bass Boost)turns the bass enhancement on/offPROGRAMCD/USB:programs tracksTuner:programs preset radio stations#DISPLAY/CLOCKClock:- displays the set time -In standby mode:enters the clocksetting mode (press and hold for more than 2 seconds)TUNER/Audio CD:switches between clockdisp

11、lay and playbackdisplayMP3/WMA files:displays disc informationduring playbackNotes for remote control:First select the source you wish tocontrol by pressing one of the source selectkeys on the remote control (for exampleCD,TUNER).Then select the desired function (forexample,).1BBBBBpress briefly to

12、switch the set on or off (standby/ECO POWER);In standby or Eco Power mode:press andhold to toggle between Standby and ECOPOWER mode (power-saving mode)2Source buttonsUSBselectsUSBsourceIn standby or Eco Power mode:switches theset on and selects USBsource.CDselectsCDsourceIn standby or Eco Power mode

13、:switches theset on and selects CDsource.TUNERselectsTUNERsource and toggles between thewavebands:FM and MWIn standby or Eco Power mode:switches theset on and selects TUNERsourceControls1-10CONTROLS erase a program%OPEN CLOSEopens/closes the CD doorControls InstallationPlacing MCM275 With the detach

14、able stand and by-packed wallmounting kit ,MCM275 allows you to place it intwo ways:on desktops with standor onwalls without stand.Mounting stand onto the setMCM275 is equipped with a stand.To mountthe stand onto the set,1Put MCM275 on a flat and firm surface,rear sidefacing up2As shown,align the st

15、and to the slots at setsbottom,4 FRONT facing downPRESSFRONTFRONTPRESS3Push the stand down into the slotsWhen the stand is in place, you will hear aclick SeeAppendix:How to mount yourMCM275 onto walls to learn more aboutwall mounting.Mounting MCM275 onto wallsInstallationMW loop antennaSpeaker (left

16、)Speaker (right)FM wire antennaACpower cordRear connections Warning:Never make or change connections withthe mains supply switched on. Install your set near the AC outlet andwhere the AC power plug can be reachedeasily.ASpeaker connectionsUse the supplied speakers only.Using otherspeakers can damage

17、 the set or the soundquality will be negatively affected.Connect the cable of the left speaker to LEFT(red and black) and the cable of the rightspeaker to RIGHT(red and black) as follows:a.Press the clip of the red terminal and fullyinsert the stripped portion of the colored (ormarked) speaker cable into the socket,thenrelease the clip b.Press the clip of the black terminal and fullyinsert the stripped portion of the black (orunmarked) speaker cable into the socket,thenrelease the clipBAntenna connections MW antenna1Assemble the loop antenna as shown: