Philips FWM603X/78 Manual de usuario
Version 1.0
FWM603X/78
3141 785 33940
MP3 Mini Hi-Fi System
FWM603/55
Published by LX 0914 Service Audio Subject to modification
© 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.
CONTENTS
�
Technical specification ..................................................................1-2
Service measurement setup..........................................................1-3
Service aids .................................................................................1-4
Instructions on CD playability ................................................2-1..2-2
Block diagram................................................................................3-1
Wiring diagram ..............................................................................4-1
Disassembly diagram............ ................................................5-1..5-2
Main board
Circuit diagram ..................................................................6-1..6-2
Layout diagram..................................................................6-3..6-4
CD board
Circuit diagram .........................................................................7-1
Layout diagram..................................................................7-2..7-3
MCU board
Circuit diagram .........................................................................8-1
Layout diagram..................................................................8-2..8-3
Display board
Circuit diagram .........................................................................9-1
Layout diagram..................................................................9-2..9-3
AMP Board
Circuit diagram. ......................................................................10-1
Layout diagram..............................................................10-2..10-3
Tuner Board
Circuit diagram. ...................................................................... 11-1
Layout diagram....................................................................... 11-2
Exploded view diagram ...............................................................12-1
Mechanical parts list...........................................................12-2..12-3
Electrical parts list...............................................................13-1..13-3
Speakers
Speaker Impedance 6ohm
Woofer 2 x 5.25”
Tweeter 2 x 1.75”
Dimensions
(W x H x D)
230 x 345 x 279mm
Weight 3.58kg each
Subwoofer
Speaker impedance 6ohm
Speaker driver 8”
Output power 160W
Dimensions
(W x H x D)
270 x 345 x 396mm
Weight 6.28kg
General information
AC power 110 - 127/220 -
240V, 50/60Hz
Operation power
consumption
100W
Standby power
consumption
<2W
USB direct Version 2.0/1.1
Dimensions
Main Unit (W x H x D) 269 x 311 x 366mm
Weight
(without speakers)
7.31kg
Amplifieer
Total output power 600W RMS
Frequency response 60 - 16kHz
Signal-to- noise ratio >67dB A (IEC)
Aux input 1500mV/2000mV
Disc
Laser type Semiconductor
Disc diameter 12cm/8cm
Support disc CD-DA, CD-R, CD-RW,
MP3-CD, WMA-CD
Audio DAC 24Bits / 44.1kHz
Total harmonic
distortion
<1.5%
Frequency
response
60Hz -16kHz (44.1kHz)
S/N ratio >75dBA
Tuner
Tuning range FM: 87.5 - 108MHz;
AM: 531 - 1602kHz (9KHz);
530 - 1700KHz (10KHz)
Tuning grid 50KHz (FM);
9KHz/10KHz (AM)
Number of
presets
40 (FM + AM)
FM 75ohm wire
AM loop antenna
TECHNICAL SPECIFICATION
1 - 2
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
e.g. Sound Technology ST170
L
R
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
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
1-4
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
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
Set remains closed!
N
Y
Play a CD
for at least 10 minutes
Y
playability
ok ?
N
playability
ok ?
add Info for customer
"SET OK"
check playability
N
Y
playability
ok ?
check playability
check playability
return set
Customer complaint
"CD related problem"
"fast" lens cleaning
1
2
3For flap loaders (= access to CD drive possible)
cleaning method 4is recommended
INSTRUCTIONS ON CD PLAYABILITY
2 - 1
Exchange CDM
1-4For description - see following pages
1
PLAYABILITY CHECK
For sets which are compatible with CD-RW discs
use CD-RW Printed Audio Disc....................7104 099 96611
TR 3 (Fingerprint)
TR 8 (600µ Black dot) maximum at 01:00
• playback of these two tracks without audible disturbance
playing time for: Fingerprint 10seconds
Black dot from 00:50 to 01:10
• jump forward/backward (search) within a reasonable time
For all other sets
use CD-DA SBC 444A..................................4822 397 30245
TR 14 (600µ Black dot) maximum at 01:15
TR 19 (Fingerprint)
TR 10 (1000µ wedge)
• playback of all these tracks without audible disturbance
playing time for: 1000µ wedge 10seconds
Fingerprint 10seconds
Black dot from 01:05 to 01:25
• jump forward/backward (search) within a reasonable time
2
CUSTOMER INFORMATION
It is proposed to add an addendum sheet to the set which
informs the customer that the set has been checked
carefully - but no fault was found.
The problem was obviously caused by a scratched, dirty or
copy-protected CD. In case problems remain, the customer
is requested to contact the workshop directly.
The lens cleaning (method 3) should be mentioned in the
addendum sheet.
The final wording in national language as well as the printing
is under responsibility of the Regional Service Organizations.
4
LIQUID LENS CLEANING
Because the material of the lens is synthetic and coated
with a special anti-reflectivity layer, cleaning must be done
with a non-aggressive cleaning fluid. It is advised to use
“Cleaning Solvent
The actuator is a very precise mechanical component and
may not be damaged in order to guarantee its full function.
Clean the lens gently (don’t press too hard) with a soft and
clean cotton bud moistened with the special lens cleaner.
The direction of cleaning must be in the way as indicated in
the picture below.
Before touching the lens it is advised to clean the
surface of the lens by blowing clean air over it.
This to avoid that little particles make scratches on
the lens.
INSTRUCTIONS ON CD PLAYABILITY
2 - 2
SET BLOCK DIAGRAM
3-1
3CDC CD Loader
PICK-UP MECHA
SANYO : DA-11VF
4 CH
MOTOR DRIVER
(BA5826)
ROHM
RF AMP+SSP+DSP
(BU9543)
PLL Tuner
Si4730/4731
MCS LOGIC BX8805
MP3/WMA En/De + MCU +USB/CARD
SOUND CONTROL
SW+VOL+EQ
(TDA7468 )
Mid power amp
TDA8920
×
1
AUX
DISPLAY
VFD
USB/SD
MMC
NOR FLASH
SI636165
SDRAM
16Mbit
Port Expander
74HC4094
×
2
VFD DRIVER
E
T8862
Spectrum
analyzers
LED controller
for Light Box
(May use)
MUX
74VC157
ADC
WMA8781
Karaoke(CD3699)
High power
AMP
TDA8920
×
1
L
R
L
R
SUBWOFFER
amp
TDA8920
×
1
TIME/CLOCK(H
T1381)
RECORD TIME
(74LVC2G04)
SET WIRING DIAGRAM
4-1
Remove CDC Module
Sliding Out The CDC Tray
Front View CDC
Remove Cover Tray CDC
DISASSEMBLY DIAGRAM
Dismantling of the CDC Module and Front Panel
1) Loosen 17 screws to remove the Cover Top of the set.
2) Slide out the CDC Tray as shown in the diagram below with
the help of a flat head screw driver.
3) Remove the Cover Tray CDC as indicated.
4) Loosen 2 screws A and 2 screws B to remove the CDC
Module as indicated.
5) Remove 2 screws at the bottom to separate the
Front Panel Assembly from the plate bottom.
5-1 5-1
H
C
DE
F
1)Remove 3 screws C as indicated to loosen the Tuner Module.
2)Remove 9 screws D&G as indicated to loosen the Main Board.
3)Remove 8 screws E&H as indicated to loosen the AMP Board.
4)Remove 3 screws F as indicated to loosen the Bottom Cabinet.
5-25-2
1) Remove 14 screws I as indicated to loosen the Display Board.
2) Remove 11 screws J as indicated to loosen the Key Board.
3) Remove 2 screws K as indicated to loosen the USB jack Board.
Dismantling of the PCB Board
Dismantling of Rear Portion
H
G
J
K
I
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