Philips-MCM-148-Service-Manual电路原理图.pdf
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1、 MCM148/55/77Copyright 2008 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 p
2、ermission of Philips.Published by SL 0837 Service Audio Printed in The Netherlands Subject to modificationMicro SystemVersion 1.2CLASS 1LASER PRODUCT 3141 785 32032TABLE OF CONTENTSPageLocation of PCBs .1-2Specifi cations .1-3Measurement Setup .1-4Service Aids, Safety Instruction, etc .1-5CD Playabi
3、lity Check .1-6 to 1-8Software Version Checking . 2Set Block Diagram . 3Set Wiring Diagram . 4Main Board . 5Front/MCU Board . 6Set Mechanical Exploded View & Parts List . 7Revision List . 9Electrical Parts List . 8PCBS LOCATIONFRONT BOARDMAIN BOARD1-21-3AMPLIFIEROutput power . 2 x 2W RMSSignal-to-no
4、ise ratio. 1 60 dBA (IEC)Frequency response . 125 16000 HzImpedance loudspeakers . 8“CD PLAYERFrequency range . 125 16000 HzSignal-to-noise ratio. 65 dBATUNERFM wave range . 87.5 108 MHzMW wave range . 530 1700 kHzSensitivity FM 26 dB sensitivity . 20 V MW 26 dB sensitivity . 5 mV/mTotal harmonic di
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