Philips-MCM-398-D-Service-Manual电路原理图.pdf
©Copyright 2007 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 permission of Philips.Published by SL 0724 Service Audio Printed in The Netherlands Subject to modificationMicro SystemVersion 1.1CLASS 1LASER PRODUCT© 3141 785 31831TABLE OF CONTENTSPagePCBs Location .1-2Specifi cations .1-3Measurement Setup .1-4Service Aids, Safety Instruction, etc .1-5CD Playability Test .1-6 to 1-8Software Version Checking . 2Set Block Diagram . 3Set Wiring Diagram . 4Main & HP/ AUX Board. 5Front (Display) & USB Jack Board . 6CMusIC (CD) Board . 7Set Mechanical Exploded View & Parts List . 8MCM398D/all versionRevision List . 91-2PCBS LOCATION1-3AMPLIFIEROutput power . 2 x 50 W RMS / 2 x100 W music powerSignal-to-noise ratio . t 62 dBA (IEC)Frequency response . 40 15000 Hz, ± 3 dBImpedance loudspeakers . 6 :Impedance headphones . 32 :CD/MP3/WMA-CD PLAYERNumber of programmable tracks . 20Frequency range . 20 20000 HzSignal-to-noise ratio . 75 dBAChannel separation .t 60 dB (1 kHz)Total harmonic distortion. 250mV->Laser damaged !4,6V3V3,3V3,9V2V0,17V0,17VSanyoDA12T3HF-AmplifierD3D2D1Drive detection680R390539033K3BC847B787747n28181K53902574216364891011470R3893+3.3V2K23908 10K3923BC847B7878BC847B78764n728133896100R220u28852881560p47n2887560R39012883470n28174u73n328143898220R389527K470n2884+3.3V3909820R3907100R392033K3897288282p3K339042K738993906470R+5V_HFHFINVrefCD10100p2815281622nLDONto 3826,3827VREF GEVDDA1VRINVSSA1ISLICELDOND1D2D3D4HFINHFREFIREFCD_DA: 0V / CD_RW: 3V (A-D)800mVppTB = 0.5µs/divEYE-PATTERN1,8V1,2V2,4V2,6V0,65VINSTRUCTIONS ON CD PLAYABILITY1-8How to read software version, 1. Press and hold DISPLAY and SOURCE buttons then plug A/C to power on, LCD Display shows existing software version “S 0.12“. 2. During shows “S 0.12“, press “STOP” button to show firmware version. SOFTWARE VERSION CHECKING2-12-13-1 3-1SET BLOCK DIAGRAM
