Philips CED228/98 Manuel utilisateur
Version 1.4
CED228/98/58
3141 785 34304
Car Entertainment System CED228X/78
Published by LX 1118 Service Audio Subject to modification
©Copyright 2010 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
Main board
Circuit diagram ..................................................................6-1..6-3
Layout diagram..................................................................6-4..6-5
Key board
Circuit diagram .........................................................................7-1
Layout diagram..................................................................7-2..7-3
SK & SD & Moto board
Circuit diagram .........................................................................8-1
Layout diagram..................................................................8-2..8-4
Exploded view diagram .................................................................9-1
Mechanical parts list......................................................................9-2
Electrical parts list...............................................................10-1..10-2
Revision list...................................................................................11-1
Tuner
Frequency range
-FM
87.5 - 108.0 M H z
search and 50kHz per
Frequency range
522 - 1620 KHz
Usable sensitivity
-FM 8 uV
Usable s
ensitivity
50 uV
LCD
Screen size
Display resol
ut
ion 320 x 234 dots
Contra
st rati
o350
Bri
ghtness 220 cd/m 2
General
Power supply
negative ground
Fuse 15 A
Suitable speaker
impedance
4 - 8
Maximum power
output
50 W x 4 channels
Continuous power
output
24 W x 4 channels
Pre-Amp output
voltage 1 kH z,0
dB,10 k
Subwoofer output
voltage
A ux-in level 500 m V
188 x 58 x 193 m m
Weight 1.7 kg
System D V D / C D audio /
MP3 system
Frequency response 20 Hz - 20kHz
Singal/noise ratio >75dB
Total harmonic
distortion
Less than 1%
Channel separation > 55dB
Video signalformat N TSC/PA L/A U TO
Video output 1 + /-0.2V
TECHNICAL SPECIFICATION
1 - 2
Type /Versions:
Features
Board in used:
CED228
Service policy
SK BOARD
MAIN BOARD
* TIPS : C -- Component Lever Repair.
M -- Module Lever Repair
√-- Used
78/
Feature diffrence
RDS & DAB
VOLTAGE SELECTOR
ECO STANDBY - DARK √
Type /Versions:
/58 89/78/
VERSION VARIATION
89/
C/M
C/M
√
MOTO BOARD
PANEL BOARD
C/M
C/M
C/M
CED228
√
M
M
√
M
M
M
C/M
C/M
C/M
C/M
C/M
√
/58
SD BOARD
√
Disc player
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
MAIN BOARD
SK BOARD
KEY BOARD J204
J502
J501
J302
J303
J201
J301
J206
SD BOARD
J701
MOTO BOARD
SP+1
SP-1
SL+1
SL-1
LIMIT1
GND1
LOAD+1
LOAD-1
WHITE
RED
BLACK
RED
ORANGE
BROWN
GREEN
YELLOW
ORANGE
YELLOW
SP MOTO
SL MOTO
DET SW
DVD DECK
DL-C86D1
WIRING DIAGRAM 3 -1
MOTO DRIVER
SA5888
OPTICAL PICKUP
DL-C86D1
DVD-DSP
SPHE8202TQ
EEPROM
24C02
FLASH 32M(bit)
SDROM
2M*16Bit*4Banks
SD/MMC CORD
USB PORT
SD/USD DET
MCU
STM8AH6189
KEY/RC
A/D
TFT DRIVER
AV268D
T30C17 TFT DISPLAY
SPI
A/D
DISC IN/OUT/DET
DISC
PWM
AM/FM TUNER MODUL
CF111LVD-150M
RDS DECORD
SC6579
ANT
VOL/EQ
TDA7419
VIDEO SWITCH
BA7654
MP3-LINK
IN
AUDIO
VIDEO/IN
VIDEO AMP.
BAT623
LINE OUT
VIDEO-OUT1
VIDEO-OUT2
FL-OUT
FR-OUT
RL-OUT
RR-OUT
POWER
TDA7386
FL
FR
RL
RR
POWER
SUPPLY
TPS54331
14.4V
14.4V
+5V
SET BLOCK DIAGRAM
4-1
5-1 5-1
DISASSEMBLY INSTRUCTIONS
Dismantling of the car audio system and the front panel
1)Press to open the panel,then push the right side panel toward the left side to disengage it from the chassis.
2)Remove 1 screw A and 1 screw B as indicated.
3)Remove the top and bottom lid as showin in the picture below with the help of a flat head screw driver.
4)Remove 2 screws C and 2 screws D as indicated to loosen the DVD mechanism.
5)Remove 4 screws E as indicated to loosen the main board.
A
B
FLAT HEAD SCREW DRIVE
C
D
E
6)Remove 6 screws F as indicated to loosen the front panel.
CAR AUDIO SYSTEM
F
BACK PANEL
FRONT PLATE + KEY BOARD
FRONT PANEL
TRIM PLATE
6-1 6-1
CIRCUIT DIAGRAM - MAIN BOARD
PART 1
Ce manuel convient aux modèles suivants
4
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