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1-4

SERVICE AIDS

GB

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.

ESD

CLASS  1

LASER PRODUCT

GB

Safety regulations require that the set be restored to its original
condition and that parts which are identical with those specified,
be used

Safety components are marked by the symbol

!

.

Lead free

Summary of Contents for DS8550/10

Page 1: ...oded 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 Printed in The Netherlands Subject to modification ...

Page 2: ...io Playback Cradle playback mode Charging iPhone Charging iPod Play and Pause Next and Previous track Sound Output power RMS 2x15 W Sound System Stereo Loudspeaker types Bass Reflex Speaker System Volume Control Volume Control up down Loudspeakers Speaker Drivers 2 x 3 full range woofers Convenience Backlight Remote Control Multi functional Power Power supply 100 240VAC 50 60Hz Battery Battery Typ...

Page 3: ...15kHz e g 7122 707 48001 LF Voltmeter e g PM2534 DUT S N and distortion meter e g Sound Technology ST1700B Frame aerial e g 7122 707 89001 Tuner AM MW LW To avoid atmospheric interference all AM measurements have to be carried out in a Faraday s cage Use a bandpass filter or at least a high pass filter with 250Hz to eliminate hum 50Hz 100Hz RF Generator e g PM5326 Ri 50 Bandpass 250Hz 15kHz e g 71...

Page 4: ...ng 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 ESD CLASS 1 LASER PRODUCT GB Safety regulations require that the set be restored to its original condition and that parts which are identical with those specified be used Safety components are marked by the symbol Lead free ...

Page 5: ...attery Clean worktable to make sure no any sharp particle 2 1 2 Sealed edge Sealing edge is very flimsy Don t bend or fold sealing edge 2 1 3 Folding edge The folding edge is form in battery process and passed all hermetic test Don t open or deform folding edge 2 1 4 Tabs The battery tabs are not so stubborn especially for aluminum tab Don t bend tab 2 1 5 Mechanical shock Don t Fall hit bend batt...

Page 6: ...BLOCK DIAGRAM 3 1 ...

Page 7: ...WIRING DIAGRAM 4 1 MAIN BOARD IR BOARD CN4 CON1 CON3 CON4 CON6 CON8 J4 J2 CON133 CN5 CN3 J10 J9 JACK1 JACKE1 JACK BOARD KEY BOARD iPod Docking Board ...

Page 8: ...crews B as indicated to loosen the Main Board 2 Remove 2 screws C as indicated to loosen the IR Board 3 Remove 4 screws D as indicated to loosen the Key Board 1 Remove the speaker grill as indicated 2 Remove 11 screws A as indicated to loosen the Bottom Cabinet A BOTTOM CAB SPEAKER GRILL FRONT CAB B C D ...

Page 9: ...CIRCUIT DIAGRAM MAIN BOARD MCU PART 6 1 6 1 ...

Page 10: ...CIRCUIT DIAGRAM MAIN BOARD iPod DOCKING AND BLUETOOTH PART 6 2 6 2 ...

Page 11: ...CIRCUIT DIAGRAM MAIN BOARD POWER AMP 6 3 6 3 ...

Page 12: ...CIRCUIT DIAGRAM MAIN BOARD CHARGE PART 6 4 6 4 ...

Page 13: ...PCB LAYOUT MAIN BOARD 6 5 6 5 ...

Page 14: ...PCB LAYOUT KEY BOARD 6 6 6 6 ...

Page 15: ...PCB LAYOUT IR BOARD iPod DOCKING BOARD JACK BOARD JACK BOARD IR BOARD iPod DOCKING BOARD 6 7 6 7 ...

Page 16: ...EXPLODED VIEW 7 1 7 1 ...

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