Philips-MCM-355-Service-Manual电路原理图.pdf
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1、 MCM355/12Copyright 2009 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior perm
2、ission of Philips.Published by SL 0915 Service Audio Printed in The Netherlands Subject to modificationMicro SystemVersion 1.0CLASS 1LASER PRODUCT 3141 785 33930TABLE OF CONTENTSPageLocation of PCBs .1-2Specifi cations .1-3Measurement Setup .1-4Service Aids, Safety Instruction, etc .1-5CD Playabilit
3、y Check .1-6 to 1-7Software Version Checking . 2Set Wiring & Block Diagram . 3Audio AMP Board . 4MCU & USB & Headphone Boards . 5Touch Panel & VFD & Power Key Boards . 6Set Mechanical Exploded View & Parts List . 7Revision List . 81-2VERSION VARIATIONSType /Versions:Board in used:MCM205Service polic
4、yMAIN BOARDMCU BOARDUSB JACK BOARD* TIPS : C - Component Lever Repair.M - Module Lever Repair- UsedC/12 /05 /5589/16/85/DISPLAY & KEY BOARDCCTUNER BOARD MxHEADPHONE BOARD C/37C/MDISPLAY & KEY BOARDHEADPHONE BOARDMCU BOARDTUNER BOARDUSB BOARDMAIN BOARDPCBS LOCATIONSpecificationsAmplifierRated Output
5、Power 4X50W RMSFrequency Response 63 - 14000 Hz, 3dBSignal to Noise Ratio 62dBDiscLaser Type SemiconductorDisc Diameter 12cm/8cmSupport Disc CD-DA, CD-R, CD-RW, MP3-CD, WMA-CDAudio DAC 24Bits / 44.1kHzTotal Harmonic Distortion 65dBATuner (FM)Tuning Range 87.5 - 108 MHzTuning grid 50 KHzSensitivity-
6、Mono, 26dB S/N Ratio 45 dBSpeakersSpeaker Impedance 6ohmGeneral informationAC power 220 - 230V, 50HzOperation Power Consumption 42WStandby Power Consumption 20WEco Standby Power Consumption 0.8WDimensions- Main Unit (W x H x D)- Speaker Box (W x H x D)173 x 257 x 240mm173 x 257 x 240mmWeight- With P
7、acking- Main Unit- Speaker Box10.8 kg2.3 kg2 x 2.8 kgUSB playability informationCompatible USB devices:USB fl ash memory (USB 2.0 or USB1.1)USB flash players (USB 2.0 or USB1.1)memory cards (requires an additional card reader to work with this MCM355)Supported formats:USB or memory fi le format FAT1
8、2, FAT16, FAT32 (sector size: 512 bytes)MP3 bit rate (data rate): 32-320 Kbps and variable bit rateWMA v9 or earlierDirectory nesting up to a maximum of 8 levelsNumber of albums/ folders: maximum 99Number of tracks/titles: maximum 999ID3 tag v2.0 or laterFile name in Unicode UTF8 (maximum length: 12
9、8 bytes)Unsupported formats:Empty albums: an empty album is an album that does not contain MP3/WMA fi les, and is not be shown in the display.Unsupported file formats are skipped. For example, Word documents (.doc) or MP3 ?files with extension .dlf are ignored and not played.AAC, WAV, PCM audio ? fi
10、lesDRM protected WMA ? files (.wav, .m4a, .m4p, .mp4, .aac)WMA fi les in Lossless formatSupported MP3 disc formatsISO9660, JolietMaximum title number: 512 (depending on file name length)Maximum album number: 255Supported sampling frequencies: 32 kHz, 44.1kHz, 48 kHzSupported Bit-rates: 32256 (kbps),
11、 variable bit rates1-31-4LEVEL 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 Tech
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