Philips DC570/12 Manual de usuario
DC570/12/37/98
©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
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
C
POWER AMP BOARD C
C
C
TUNER MODULE M
x
x
x
x
C
IPOD & USB JACK BOARD C
/37
DC570
89/
C
C
C
C
M
C
C
C
C
C
C
M
C
C
x
x
x
x
x
x
x
x
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
L
R
DUT
CD
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
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
2-1 2-1
Y
N
Y
N
T
Button pressed?
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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