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Philips DS7550/93 Service Manual
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Docking speaker
TABLE OF CONTENTS
Technical specification .............................................................1-2
Service measurement setup.....................................................1-3
Service aids ............................................................................1-4
Safety instructions ....................................................................2-1
Set Block diagram ........................................................... .......3-1
Set Wiring diagram ............................................................. ....4-1
Disassembly diagram ............................................................. 5-1
Circuit diagram.........................................................................6-1
Layout diagram.................................................................6-2..6-4
Mechanical Exploded view...... .......................................... .....7-1
Copyright 2010 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 1052 Service Audio
Version 1.3
Printed in The Netherlands
Subject to modification
Page
DS7550/
all
3141 785 35183

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Summary of Contents for Philips DS7550/93

  • Page 1 TABLE OF CONTENTS Page Technical specification .............1-2 Service measurement setup.............1-3 Service aids ................1-4 Safety instructions ..............2-1 Set Block diagram ..............3-1 Set Wiring diagram ..............4-1 Disassembly diagram ............. 5-1 Circuit diagram.................6-1 Layout diagram..............6-2..6-4 Mechanical Exploded view.............7-1 Copyright 2010 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. 3141 785 35183 Published by LX 1052 Service Audio Printed in The Netherlands Subject to modification Version 1.3...
  • Page 2 1 - 2 TECHNICAL SPECIFICATION iPhone compatibility Audio Playback • Compatible with: iPhone, iPhone 3G, iPhone 3GS • Cradle playback mode: Charging iPhone, Charging iPod iPod compatibility Sound • Compatible with: iPod, iPod mini, iPod with color display, iPod 5th Generati on, iPod classic, iPod •...
  • Page 3 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 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. Keep components and tools also at this potential.
  • Page 5 2 - 1 2.1 SAFETY INSTRUCTIONS Battery Handling Guideline Since the battery is packed in soft package, to ensure its better performance, it’s very important to carefully handle the battery 2.1.1 Soft Aluminium foil The soft aluminum packing foil is very easily damaged by sharp edge parts such as Ni-tabs, pins and needles. •...
  • Page 6 BLOCK DIAGRAM...
  • Page 7 WIRING DIAGRAM...
  • Page 9 CIRCUIT DIAGRAM...
  • Page 10 PCB LAYOUT - MAIN BOARD...
  • Page 11 PCB LAYOUT - KEY BOARD/iPod DOCKING BOARD...
  • Page 12 PCB LAYOUT - SW UPGRADE BOARD...
  • Page 13 EXPLODED VIEW...

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