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Philips CEM250/55 Service Manual

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Car Entertainment System
©
Copyright 2009 Philips Consumer Electronics B.V. Eindhoven, The Netherlands
All 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 JZ-SL 0950 Service Audio
Version 1.4

TABLE OF CONTENTS

PCBs Location ...................................................................... 1-1
Speci cations ....................................................................... 1-2
Measurement Setup ............................................................. 1-3
Service Aids, Safety Instruction, etc ..................................... 1-4
Instructures on CD Playability ....................................1-5 to 1-6
Disassembly Diagrams ...............................................2-1 to 2-2
Software Version Check & Upgrade ..................................... 3-1
Malfunction Check Chart ...................................................... 3-2
Set Block Diagram ................................................................ 4-1
Set Wiring Diagram .............................................................. 5-1
Main Board .............................................................................. 6
Servo Board............................................................................. 7
CB/FB/USB Board ................................................................... 8
SD Board ................................................................................. 9
Key Board .............................................................................. 10
Set Mechanical Exploded View & Parts List .......................... 11
Revision List .......................................................................... 12
Printed in The Netherlands
Subject to modification
CEM250
CEM250X
Page
CLASS 1
LASER PRODUCT
© 3141 785 33194
/55/98/51
/78

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  Summary of Contents for Philips CEM250/55

  • Page 1: Table Of Contents

    LASER PRODUCT © Copyright 2009 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All 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.
  • Page 27: Servo Board

    MECHANICAL & ACCESSORIES PARTS LIST 996510019813 DECORAT DOWN 996510019783 ANT CEM250 BLUETOOTH 170MM 996510019812 DECORAT UP 996510019784 I/O CABLE 2RCA/LINE/SUB/MIC 996510019814 LENS BLK PHILIPS 996510019543 I/O CABLE 16P ACC/ILL IN/SPK 996510019804 1 BUTTON 996510019729 FFC 6P 1.0mm 35mm TYPE A 996510019805 3 BUTTON 996510019829...
  • Page 28: Cb/Fb/Usb Board

    11 - 3 ELECTRICAL PARTS LIST - KEY BOARD 996510019674 EN301 ENCODER EVEJBBF2020B H20.0 SW313 996510019697 TACT SW WT1101EW1-43F-02 996510019609 TACT SW WT1101EW1-43F-02 IC101 IC PT6523HQ LQFP-64 PTC SW314 996510019697 996510019583 IC301 PHOTO DIODE 638AF4 5V 1.1A SW315 996510019697 TACT SW WT1101EW1-43F-02 LED101 996510019820 LED WHITE D3 20mA SW316...
  • Page 29: Sd Board

    11 - 4 ELECTRICAL PARTS LIST - MAIN BOARD ELECTRICAL PARTS LIST - SERVO BOARD Q425 996510019571 TRANSISTOR 2N3904(NPN) 996510019709 TAN.CAP 10uF 10V 20% A Q426 996510019791 TR S8050(NPN) TO-92 996510019825 FFC 12P 1.00mm 160mm B TYPE Q501 996510019571 TRANSISTOR 2N3904(NPN) 996510019826 FFC 25P 1.0mm 120mm TYPE A Q601...
  • Page 30: Key Board

    L901 996510019555 996510019555 CHOKE 200uH 1A 30% CHOKE 200uH 1A 30% Q406 Q406 996510019571 996510019571 TRANSISTOR 2N3904(NPN) TRANSISTOR 2N3904(NPN) 996510020873 LENS BLK PHILIPS LCD301 996510019840 LCD ETN Q406 996510019571 TRANSISTOR 2N3904(NPN) 996510019809 RING LED102 996510019820 LED WHITE D3 20mA Q407...
  • Page 31: Set Mechanical Exploded View & Parts List

    11 - 3B 11 - 3B MECHANICAL & ACCESSORIES PARTS LIST (only for CEM250/98) Loc. 12NC Description Loc. 12NC Description Loc. 12NC Description ELECTRICAL PARTS LIST (only for CEM250/98) ELECTRICAL PARTS LIST (only for CEM250/98) Q902 996510019566 TRANSISTOR KRC102(NPN) USB901 996510027859 SOCKET 4P Q904...
  • Page 32: Revision List

    12 - 1 REVISION LIST 1.0 Manual 3141 785 33190 Initial Service Manual released. 1.1 Manual 3141 785 33191 In this version, the version CEM250X/78 added. Page 11-2, Mechanical & Accessories Parts List updated. 996510020151 SERVO BOARD & CD MECHANISM (WAS 996510019824) 996510020150 CE250 MAIN BOARD (WAS 996510019787) 1.2 Manual 3141 785 33192 In this version, the version CEM250/98 added.

This manual is also suitable for:

Cem250/98Cem250/51