Philips DC570/12 Manual de usuario

DC570/12/37/98

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

Docking Entertainment System

Version 1.4

CLASS 1

LASER PRODUCT

3141 785 32834

TABLE OF CONTENTS Page

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

Speciﬁcations .......................................................................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

Rectiﬁer Board.........................................................................8

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

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

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

IPOD JACK BOARD

MCU & USB BOARD

KEY & LCD BOARD

USB JACK BOARD

AUX BOARD

TUNER MODULE

POWER AMP BOARD

RECTIFIER BOARD

1 - 2

PCBS LOCATION

/12 /37

xniRDC/nixuA

Line Out

Video Out

Subwoofer Out

Digital Out

Karaoke Features

Voltage Selector

ECO Power Standby (LCD Display Off)

USB Direct

Type /Versions:

Features

in used: /05

VERSION VARIATIONS

Type /Versions:

Board in used:

DC570

Service policy

MCU & USB BOARD

KEY & LCD BOARD

USB JACK BOARD

RECTIFIER BOARD

* TIPS : C -- Component Lever Repair.

M -- Module Lever Repair

-- Used

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

Feature diffrence

POWER AMP BOARD C

TUNER MODULE M

IPOD & USB JACK BOARD C

/37

DC570

89/

Remark: version /37 only for Latam.

for Nafta, service policy should be OCX.

1 - 3

AMPLIFIER

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

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

Signal-to-noise ratio ....................................... t70 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 distortion ..................................... d1%

Frequency response

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

Signal-to-noise-ratio

– FM ....................................................................... t50 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.

SPECIFICATIONS

1 - 4

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 - 5

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 2-1

Button pressed?

DISPLAY

TEST

Set restored, Display shows

“CLr”

Display shows all LEDs on

To start service test program

hold PRESET+ & VOLUME+

depressed while

plugging in the mains cord

Display shows the

ROM version *

"Vxxx" V refers to Version.

xxx refers to Software version number of µProcessor.

(Counting up from 001 to 099)

SERVICE TEST PROGRAM

VOL-

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

5 - 2 5 - 2

CIRCUIT DIAGRAM - MCU & USB BOARD

USB SECTION

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