Philips-MCM-305-Service-Manual电路原理图.pdf

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1、 MCM305/12Copyright 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 0920 Service Audio Printed in The Netherlands Subject to modifi cationMicro SystemVersion 1.0CLASS 1LASER PRODUCT 3141 785 34140TABLE OF CONTENTSPageLocation of PCBs .1-2Specifi cations .1-3Measurement Setup .1-4Service Aids, Safety Instruction, etc .1-5CD Playabili

3、ty Check .1-6 to 1-7Software Version Checking . 2Set Wiring & Block Diagram . 3Main & Tuner & Headphone Boards . 4MCU & USB Board . 5Display & Key Board . 6Set Mechanical Exploded View & Parts List . 7Revision List . 8MCU BOARDDISPLAY & KEY BOARDTUNER BOARDMAIN BOARDAUX/HP BOARDUSB BOARDCDMRECTIFIER

4、 BOARDVERSION VARIATIONSType /Versions:Board in used:MCM305Service policyMAIN BOARDMCU BOARDUSB JACK BOARD* TIPS : C - Component Lever Repair.M - Module Lever Repair- UsedC/M/12 /05 /5589/16/85/DISPLAY & KEY BOARDCCTUNER BOARD MxHEADPHONE BOARD C/37C/M1-2PCBS LOCATIONRECTIFIER BOARD M1) MCU version

5、: at CD mode and No CD, press and hold “PLAY“ & “DBB“ buttons more than 5 seconds at the same time, the display will show the version of MCU, e.g. “CD-042 MCU-017”.2) While displaying MCU software version, to turn VOLUME knob can show full display pattern for Key Founction Test, SOFTWARE VERSION CHE

6、CKING2 - 1 2 - 1 MCU & USB BOARDTABLE OF CONTENTSMCU Board Layout Top View . 5-2MCU Board Layout Bottom View . 5-3USB Jack Board Layout Diagram . 5-4Circuit Diagram . 5-55-1 5-15-2 5-2PCB LAYOUT - MCU BOARD (TOP VIEW)5-3 5-3PCB LAYOUT - MCU BOARD (BOTTOM VIEW)5-45-4LAYOUT DIAGRAM - USB BOARD5-55-5CIRCUIT DIAGRAM - MCU & USB BOARDDISPLAY/KEY BOARDTABLE OF CONTENTSLayout Top View . 6-2Layout Bottom View . 6-3Circuit Diagram . 6-46-1 6-16-2PCB LAYOUT - DISPLAY/KEY BOARD (TOP VIEW)6-2