Philips DC912/37 Service Manual
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Docking Entertainment System
CONTENTS
Technical specification ..................................................................1-2
Service measurement setup..........................................................1-3
Service aids .................................................................................1-4
Instructions on CD playability ................................................2-1..2-2
Disassembly diagram............ ........................................................3-1
Block diagram ................................................................................4-1
Wiring diagram ..............................................................................4-2
Main board
Circuit diagram .........................................................................5-1
Layout diagram ..................................................................5-2..5-3
MCU board
Circuit diagram ..................................................................6-1..6-3
Layout diagram ..................................................................6-4..6-5
AUX board
Circuit diagram .........................................................................7-1
Layout diagram .........................................................................7-2
Key board
Layout diagram .........................................................................8-1
Exploded view diagram .................................................................9-1
Mechanical parts list ......................................................................9-2
Electrical parts list...............................................................10-1..10-2
©
Copyright 2008 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 LX 0821 Service Audio
Version 1.0
All manuals and user guides at all-guides.com
Subject to modification
DC912
-/37
3141 785 32880

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Summary of Contents for Philips DC912/37

  • Page 1: Table Of Contents

    Electrical parts list...............10-1..10-2 © Copyright 2008 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 2: Technical Specification

    All manuals and user guides at all-guides.com 1 - 2 TECHNICAL SPECIFICATION AMPLIFIER GENERAL INFORMATION Output power ........2 x 25 W RMS AC Power (for the main uint).... 100 – 240 V, Signal-to-noise ratio ........≥ 70 dBA ..................50/60 Hz Frequency response ..
  • Page 3 All manuals and user guides at all-guides.com MEASUREMENT SETUP Tuner FM Bandpass LF Voltmeter 250Hz-15kHz e.g. PM2534 e.g. 7122 707 48001 RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Tuner AM (MW,LW) Bandpass LF Voltmeter...
  • Page 4: Service Aids

    All manuals and user guides at all-guides.com SERVICE AIDS WARNING All ICs and many other semi-conductors are susceptible to electrostatic discharges (ESD). Careless handling during repair can reduce life drastically. When repairing, make sure that you are connected with the same potential as the mass of the set via a wrist wrap with resistance.
  • Page 5: Instructions On Cd Playability

    All manuals and user guides at all-guides.com 2 - 1 INSTRUCTIONS ON CD PLAYABILITY Customer complaint "CD related problem" Set remains closed! check playability playability ok ? For flap loaders (= access to CD drive possible) "fast" lens cleaning cleaning method is recommended check playability playability...
  • Page 6 All manuals and user guides at all-guides.com 2 - 2 INSTRUCTIONS ON CD PLAYABILITY PLAYABILITY CHECK LIQUID LENS CLEANING Before touching the lens it is advised to clean the surface of the lens by blowing clean air over it. For sets which are compatible with CD-RW discs This to avoid that little particles make scratches on use CD-RW Printed Audio Disc ....7104 099 96611 the lens.
  • Page 7: Disassembly Diagram

    All manuals and user guides at all-guides.com 3 - 1 3 - 1 DISASSEMBLY DIAGRAM VIEW...
  • Page 8: Block Diagram

    All manuals and user guides at all-guides.com 4 - 1 4 - 1 SET BLOCK DIAGRAM...
  • Page 9: Wiring Diagram

    All manuals and user guides at all-guides.com 4 - 2 4- 2 SET WIRING DIAGRAM...
  • Page 10: Circuit Diagram

    All manuals and user guides at all-guides.com 5 - 1 5 - 1 CIRCUIT DIAGRAM - MAIN BOARD...
  • Page 11 All manuals and user guides at all-guides.com 5 - 2 5 - 2 LAYOUT DIAGARM - MAIN BOARD COMPONENT SIDE VIEW...
  • Page 12 All manuals and user guides at all-guides.com 5 - 3 5 - 3 LAYOUT DIAGARM - MAIN BOARD COPPER SIDE VIEW...
  • Page 13 All manuals and user guides at all-guides.com 6 - 1 6 - 1 CIRCUIT DIAGRAM - MCU BOARD PART 1...
  • Page 14 All manuals and user guides at all-guides.com 6 - 2 6 - 2 CIRCUIT DIAGRAM - MCU BOARD PART 2...
  • Page 15 All manuals and user guides at all-guides.com 6 - 3 6 - 3 CIRCUIT DIAGRAM - MCU BOARD PART 3...
  • Page 16 All manuals and user guides at all-guides.com 6 - 4 6 - 4 LAYOUT DIAGARM - MCU BOARD COMPONENT SIDE VIEW...
  • Page 17 All manuals and user guides at all-guides.com 6 - 5 6 - 5 LAYOUT DIAGARM - MCU BOARD COPPER SIDE VIEW...
  • Page 18 All manuals and user guides at all-guides.com 7 - 1 7 - 1 CIRCUIT DIAGRAM - AUX BOARD...
  • Page 19: Layout Diagram

    All manuals and user guides at all-guides.com 7 - 2 7 - 2 LAYOUT DIAGRAM - AUX BOARD...
  • Page 20: Layout Diagram

    All manuals and user guides at all-guides.com 8 - 1 8 - 1 LAYOUT DIAGRAM - KEY BOARD...
  • Page 21: Exploded View Diagram

    All manuals and user guides at all-guides.com 9 - 1 9 - 1 EXPLODED VIEW DIAGRAM...
  • Page 22: Mechanical Partslist

    All manuals and user guides at all-guides.com 9 - 2 MECHANICAL PARTSLIST 996510012653 FRONT PANEL 996510012654 REAR CABINET 996510012630 STAND GREY/GUN METAL 996510012632 IPOD HOLDER 996510012633 KEY BRACKET 996510012635 IPOD PCB BRACKET 996510012636 RIGHT WALL 996510012637 LEFT WALL 996510012640 ROTATE COVER 996510012641 WALL SLOTS-COVER 996510012604...
  • Page 23: Electrical Partslist

    IC CYT78L05 (TO-92) U010 994000001201 IC NJM4556AM U011 996520033287 TUNER MODULE KSE TYPE:MK000F U601 994000004344 IC (PHILIPS) HEF4052BT Z003 996520033296 SMD ZENER DIODE BZX284 5.1V Z004 996520033294 SMD ZENER DIODE +-5% 5.6V 1/2W Z005 996510010596 SMD ZENER DIODE +-5% 7.5V...
  • Page 24 All manuals and user guides at all-guides.com 10 - 2 ELECTRICAL PARTSLIST MCU BOARD ASSEMBLY D201 996520033303 DIODE IN60P D202 996520033303 DIODE IN60P D203 996520033303 DIODE IN60P D212 996520033303 DIODE IN60P Q201 996510006601 SMD TRANSIST BC857B U201 996520033302 MCU GY661 U202 994000002839 IC LM1117S-3.3...

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