Docking speaker DS8550/all

TABLE OF CONTENTS
Page

Technical specification .................................................1-2

Service measurement setup.........................................1-3

Service aids ................................................................1-4

Set Block diagram.........................................................3-1
Set Wiring diagram.................................................. .....4-1
Disassembly diagram................................................... 5-1

Circuit diagram.......................................................6-1..6-4
Layout diagram......................................................6-5..6-7

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 Printed in The Netherlands Subject to modification 3141 785 35454

Version 1.4
 1-2

TECHNICAL SPECIFICATION

iPad compatibility Audio Playback

• Compatible with: iPad • Cradle playback mode: Charging iPhone, Charging
iPod, Play and Pause, Next and Previous track
iPhone compatibility
• Compatible with: iPhone, iPhone 3G, iPhone 3GS, Sound
iPhone 4 • Output power (RMS): 2x15 W
• Sound System: Stereo
iPod compatibility • Loudspeaker types: Bass Reflex Speaker System
• Compatible with: iPod, iPod mini, iPod with color • Volume Control: Volume Control up/down
display, iPod 5th Generation, iPod nano 2nd
Generation, iPod nano 3rd Generation, iPod Loudspeakers
classic, iPod touch, iPod nano 1st Generation, iPod • Speaker Drivers: 2 x 3" full range woofers
nano 4th Generation, iPod nano 5th Generation,
iPod touch 2nd Generation, iPod touch 2nd Gen 8/ Convenience
16/32GB • Backlight
• Remote Control: Multi-functional
iPhone/ iPod APP
• Free download from App store Power
• App name: Fidelio+ • Power supply: 100-240VAC, 50/60Hz, Battery
• Compatibility: Fidelio docking speaker • Battery Type: Built-in battery
• Playback: Album/track navigation, Playback • Operating time on battery: 5 hr
controls
• Sound settings: 5 band equalizer, DBB, DSC- Accessories
Flat,Pop,Rock,Jazz,Classic • Included accessories: AC Power Cord, Remote
• Clock: Analog display, Digital display Control, 3.5mm stereo line in cable, Warranty
• Alarm: Multiple alarms, Sleep timer, Wake up to certificate, World Wide Warranty leaflet, Quick
music, Wake up to nature sounds, Wake up to install guide, User Manual
photo
• Battery status: Speaker battery status Dimensions
• Product dimensions (W x H x D):
Connectivity 421 x 158 x 139 mm
• Bluetooth • Packaging dimensions (W x H x D):
• Bluetooth profiles: A2DP, AVRCP 484 x 220 x 158 mm
• Bluetooth range: Line of sight, 10M or 30FT
•

• Aux in

VERSION VARIATION

Type /Versions: DS8550

/10 /10 /93 /79 /3 7
Board in used: Service policy (APAC) (EUROPE) (APAC) (APAC) (LATAM)

Main BOARD C/M C C/M C/M C/M

key BOARD C C C/M C/M C/M
Jack BOARD C C C/M C/M C
Ipod BOARD C C C/M C/M C
IR BOARD C C C/M C/M

Type /Versions: DS8550

Features Feature diffrence /05 /05 /9 3 /3 7

RDS
VOLTAGE SELECTOR
ECO STANDBY - DARK

* TIPS : C -- Component Lever Repair.

M -- Module Lever Repair
-- Used
 1-3

MEASUREMENT SETUP

Tuner FM

Bandpass
DUT 250Hz-15kHz LF Voltmeter
e.g. 7122 707 48001 e.g. PM2534
RF Generator
e.g. PM5326
Ri=50:

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
250Hz-15kHz LF Voltmeter
DUT e.g. 7122 707 48001 e.g. PM2534

RF Generator
e.g. PM5326
S/N and distortion meter
e.g. Sound Technology ST1700B
Ri=50:

Frame aerial
e.g. 7122 707 89001

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).

CD Recorder
Use Audio Signal Disc SBC429 4822 397 30184 Use Universal Test Cassette CrO2 SBC419 4822 397 30069
(replaces test disc 3) or Universal Test Cassette Fe SBC420 4822 397 30071

DUT
DUT LF Generator L
L e.g. PM5110

R
R
S/N and distortion mete
S/N and distortion meter e.g. Sound Technology ST170
e.g. Sound Technology ST1700B

LEVEL METER
LEVEL METER e.g. Sennheiser UPM550
e.g. Sennheiser UPM550 with FF-filter
with FF-filter
 1-4

SERVICE AIDS

GB WARNING ESD
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.

GB
Safety regulations require that the set be restored to its original CLASS 1
condition and that parts which are identical with those specified,
be used LASER PRODUCT
Safety components are marked by the symbol ! .

Lead free
 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.
• Don’t strike battery with any sharp edge parts
• Trim your nail or wear glove before taking battery
• 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 battery body

2.1.6 Short
Short terminals of battery is strictly prohibited, it may damage battery.
Caution
Danger of explosion if battery is incorrectly replaced.Replace only with the same or equivalent type.
 3-1
BLOCK DIAGRAM
 WIRING DIAGRAM

CN4 CN3
CN5

J9

CON1
IR BOARD
JACK1

CON3

MAIN BOARD
JACKE1
4-1

JACK BOARD

J10

CON6 CON8 J4
CON4
CON133

J2

KEY BOARD
iPod Docking Board
 5-1 5-1

DISASSEMBLY DIAGRAM

Dismantling of the Bottom Cabinet

1) Remove the speaker grill as indicated.

2) Remove 11 screws A as indicated to loosen the Bottom Cabinet.

BOTTOM CAB.

SPEAKER GRILL
FRONT CAB.

Dismantling of the PCB Board.

1)Remove 4 screws 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.

C
 6-1 6-1

CIRCUIT DIAGRAM - MAIN BOARD

MCU PART
 6-2 6-2

CIRCUIT DIAGRAM - MAIN BOARD

iPod DOCKING AND BLUETOOTH PART
 6-3 6-3

CIRCUIT DIAGRAM - MAIN BOARD

POWER AMP
 6-4 6-4

CIRCUIT DIAGRAM - MAIN BOARD

CHARGE PART
 6-5 6-5

PCB LAYOUT - MAIN BOARD

 6-6 6-6

PCB LAYOUT - KEY BOARD

 6-7 6-7

PCB LAYOUT - IR BOARD/iPod DOCKING BOARD/JACK BOARD

IR BOARD

JACK BOARD

iPod DOCKING BOARD

 7-1 7-1

EXPLODED VIEW