Philips DS7550/93 Manuale utente

DS7550/all

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

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 modication

Docking speaker

Version 1.3

�

3141 785 35183

TECHNICAL SPECIFICATION

iPhone compatibility

• Compatible with: iPhone, iPhone 3G, iPhone 3GS

iPod compatibility

• Compatible with: iPod, iPod mini, iPod with color

display, iPod 5th Generati on, iPod classic, iPod

nano 1st Generation, iPod nano 2nd Generation,

iPod nano 3rd Generation, iPod touch, iPod nano

4th Generation, iPod touch 2nd Generation, iPod

nano 5th Generation, iPod touch 2nd Gen 8/16/

32GB

iPhone/ iPod APP

• App name: Fidelio+

• Free download from App store

• Compatibility: Fidelio do cking s peaker, iPhone OS

3.0

• Playback: Album/track navigation, Playback

co ntrols

• Sound settings: DBB, DSC-

Flat,Pop,Rock,Jazz,Classic

• Clock: Analog display, Digital display

• Alarm: Multiple alarms, Sleep timer, Wake up to

music, Wa ke up to nature sounds, Wake up to

photo

• Battery status: Speaker battery status

Connectivity

• Aux in

Audio Playback

• Cradle playback mode: Charging iPhone, Charging

iPod

Sound

• Output power (RMS): 10W

• Sound Enhancement: Dynamic Bass Boost

• Sound System: Stereo

• Volume Control: Volume Control up/down

Loudspeakers

• Neodynium magnet system

Accessories

• Cables: 3.5mm AUX-in

Power

• Power supply: 100-240VAC, 50/60Hz, Battery

• Battery Type: Built-in battery

• Operating time on battery: 8 hr

Dimensions

• Master carton weight: 2.3 kg

• Product dimensions (WxDxH): 310 x 110 x 40

• Weight incl. Packaging: 1.04 kg

• Master carton dimensions: 175 x 162 x 440 mm

• Master carton quantity: 2

• Weight: 0.76 kg

•

1 - 2

Type /Versions:

Features

Board in used:

DS7550

Service policy

Main BOARD

Key BOARD

* TIPS : C -- Component Lever Repair.

M -- Module Lever Repair

-- Used

/93 /12 73/

/05

Feature diffrence

RDS

VOLTAGE SELECTOR

ECO STANDBY - DARK

C/M

Type /Versions:

DS7550

/93 /12 05

VERSION VARIATION

Ipod BOARD

(APAC)

(CHINA) (APAC)

C/M

CCC

(LATAM)

C/M

73/

77/

(LATAM)

77/

C/M

87/

(LATAM)

87/

C/M

1-3

LF Generator

e.g. PM5110

Recorder

Use Universal Test Cassette CrO2 SBC419 4822 397 30069

LEVEL METER

e.g. Sennheiser UPM550

with FF-filter

S/N and distortion met

e.g. Sound Technology ST170

DUT

or Universal Test Cassette Fe SBC420 4822 397 30071

LEVEL METER

e.g. Sennheiser UPM550

with FF

filter

S/N and distortion meter

e.g. Sound Technology ST1700B

DUT

Use Audio Signal Disc

(replaces test disc 3)

SBC429 4822 397 30184

Bandpass

250Hz-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. 7122 707 48001

LF Voltmeter

e.g. PM2534

DUT

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).

Ri=50:

Tuner FM

MEASUREMENT SETUP

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

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

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.

2 - 1

BLOCK DIAGRAM

3-1

WIRING DIAGRAM

4-1

BATTERY1

BATTERY2

KEY BOARD

MAIN BOARD

SW UPGRADE BOARD

iPod JACK BOARD

CW502

CN702

CN105

CN103

CW501

CN601

CN104

CN101

CN701

CON104

JK1

CW3 CW1

JK2

CW104

SPK_L

SPK_R

CN102

CN2

CW101

CN1

CW801

JK801

5-1 5-1

DISASSEMBLY DIAGRAM

Dismantling of the Bottom Cabinet

Dismantling of the PCB Board.

1)Remove 4 screws C as indicated to loosen the Main Board.

1) Remove 1 rubber foot A as indicated.

2) Insert a small needle and push to forward, then the speaker grill can be released.

3) Remove 11 screws B as indicated to loosen the bottom cabinet.

BOTTOM CAB.

FRONT CAB.

SPEAKER GRILL

CIRCUIT DIAGRAM

6-1 6-1

PCB LAYOUT - MAIN BOARD

6-2 6-2

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