Philips DC-570 Service Manual

Docking Entertainment System

DC570/12/37/98

TABLE OF CONTENTS

Page

PCBs Location & Version Variations .....................................1-2

Specifi cations .......................................................................1-3

Measurement Setup .............................................................1-4

Service Aids, Service Instruction, etc ...................................1-5

Software Version Checking .....................................................2

Set Block Diagram ...................................................................3

Set Wiring Diagram .................................................................4

MCU & USB Board .................................................................. 5

Key & LCD Board ....................................................................6

Power Amp Board.................................................................... 7

Rectifi er Board .........................................................................8

IPOD Jack & USB Jack & AUX Board .....................................9

Set Mechanical Exploded View & Parts List ..........................10

Revision List ...........................................................................11

©

Copyright 2009 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 SL 0934 Service Audio Printed in The Netherlands Subject to modification

Version 1.4

CLASS 1

LASER PRODUCT

3141 785 32834

PCBS LOCATION

IPOD JACK BOARD

MCU & USB BOARD

KEY & LCD BOARD

USB JACK BOARD

AUX BOARD

TUNER MODULE

POWER AMP BOARD

1 - 2

VERSION VARIATIONS

Board in used:

MCU & USB BOARD
KEY & LCD BOARD
USB JACK BOARD
POWER AMP BOARD
RECTIFIER BOARD

TUNER MODULE

IPOD & USB JACK BOARD

Features
in used:

Line Out
Video Out
Subwoofer Out
Digital Out
Karaoke Features
Voltage Selector
ECO Power Standby (LCD Display Off)
USB Direct

Type /Versions:

Service policy

/05 /12 /55 89/16/85/

C
C
C
C
C

M
C

Type /Versions:

Feature diffrence

/05

/12 /37

xniRDC/nixuA

x

RECTIFIER BOARD

DC570

/37

C
C
C
C
C

M
C

C
C
C
C
C

M
C

DC570

89/

x

x

x

x

x

x

x

x

x

x

* TIPS : C -- Component Lever Repair.

M -- Module Lever Repair

-- Used

x

Remark: version /37 only for Latam.
for Nafta, service policy should be OCX.

SPECIFICATIONS

1 - 3

AMPLIFIER

Output power ........................................................................

...................................................................... 50W+2 x 25W

Signal-to-noise ratio ....................................... t 70 dBA

Frequency response ...... 50 Hz – 20 KHz, ± 3 dB

Input sensitivity AUX ....................... 0.5 V (max. 2 V)

SUBWOOFER

Frequency response ............................ 50 Hz – 1KHz

Impedance ........................................................................ 8 :

Rated power ................................................................ 50W

TWEETER

Frequency response ..................... 160 Hz – 16 KHz

Impedance ........................................................................ 4 :

Rated power ........................................................ 2 x 25W

TUNER

FM wave range ................................... 87.5 – 108 MHz

Sensitivity at 75 :

– FM ................................................................................ 20dBf

Total harmonic distor tion ..................................... d 1%

Frequency response

– FM .............................................................. 63 – 6000 Hz

Signal-to-noise-ratio

– FM ....................................................................... t 50 dBA

USB PLAYER

USB ................................................................... 12Mb/s, V1.1

......................................... support MP3 and WMA files

Number of albums/folders ................. maximum 99

Number of tracks/titles ...................... maximum 999

GENERAL INFORMATION

AC Power ............................. 220 – 240 V / 50-60 Hz

Dimensions (w x h x d)300 x 300 x 1024 (mm)

Weight ......................................................................... 10.1 kg

Standby power consumption ............................ <7 W

Specifications are subject to change
without notice.

MEASUREMENT SETUP

Tuner FM

1 - 4

Bandpass

LF Voltmeter

e.g. PM2534

RF Generator

e.g. PM5326

DUT

250Hz-15kHz

e.g. 7122 707 48001

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)

RF Generator

e.g. PM5326

Ri=50

DUT

Frame aerial

e.g. 7122 707 89001

Bandpass

250Hz-15kHz

e.g. 7122 707 48001

LF Voltmeter

e.g. PM2534

S/N and distortion meter

e.g. Sound Technology ST1700B

To avoid atmospheric interference allAM-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

Use Audio Signal Disc
(replaces test disc 3)

DUT

SBC429 4822 397 30184

L

R

S/N and distortion meter

e.g. Sound Technology ST1700B

LEVEL METER

e.g. Sennheiser UPM550

with FF-filter

SERVICE AIDS

1 - 5

GB

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.

WARNING

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

!

.

ESD

CLASS 1

LASER PRODUCT

Lead free

SERVICE TEST PROGRAM

2-1

To start service test program

hold PRESET+ & VOLUME+

depressed while

plugging in the mains cord

Display shows the

R

OM version *

"Vxxx"

DISPLAY
TEST

T

Button pressed?

Y

V refers to Version.
xxx refers to Software version number of µProcessor.

(Counting up from 001 to 099)

N

2-1

Display shows all LEDs on

VOL-

Button pressed?

Y

Set restored, Display shows

“CLr”

N

How to read USB fireware version:

1) Insert any USB device at USB mode.

2) Press PLAY/PAUSE button on Front Panel for 7 seconds, the display will shows yy ---> mmdd---> uu.

yy refers to year.
mmdd refers to

month & date.

uu refers to Software version number of USB.

How to upgrade USB fireware:

1) Insert the USB device which contains new version software at USB mode.

2) Press SOURCE button on Front Panel for 10 seconds, the display will shows ISP. Then OTI IC will be upgraded automatically within 15 seconds.

SET BLOCK DIAGRAM

3 - 1

3 - 1

SET WIRING DIAGRAM

4 - 1

4 - 1

CIRCUIT DIAGRAM - MCU & USB BOARD
MCU SECTION

5 - 1

5 - 1