Philips CED230 User manual

Car Audio CED230
WW 1228 BG LE
TAB L E OF CONT E NT S
Location of PCBS…………………………1-1
Specifications………………………………1-2
Measurement setup………………………1-3
Service aids………………………………1-4
Instructions on cd playability…………1-5/6
Disassembly diagram……………………2/-1 2
Software version check&upgrade…………3-1
Malfunction check chart……………………3-2
Wiring diagram………………………………4-1
Main board-circuit diagram-1……………5-1
Main board-circuit diagram-2……………5-2
Pcb layout top/bottom view………………5-3
Servo board-circuit diagram-1……………6-1
Servo board-circuit diagram-2……………6-2
Layout diagram top/bottom view…………6-3
SB+CB board-circuit diagram……………7-1
KEY board-circuit diagram………………9-1
KEY-layout diagram top/bottom view………9-2
Exploded view-main unit…………………10-1
SB+CB board-layout top/bottom view……7-2
LB+SD+CB board-layout top/bottom view……8-2
LB+SD+CB board-circuit diagram……………8-1
Vers ion 1 .1
314178537781

1-1
Location of PCBs
Service policy /55 /51
/
VERSION VARIATIONS:
Type/Versions
Type/Versions
Board inused:
CED230(X)
CED230
Feature diffrence
Features
* TIPS:C--Component Lever Repair.
M--Module Lever Repair
--Used
MAIN BOARD
SERVO BOARD
KEYBOARD
CONNECTBOARD
SD BOARD
LONG BOARD
M/C M/C
C C
M/C M/C
C C
C C
C C
KEY BOARD SERVO BOARD SD BOARD LONG BOARD CONNECT BOARD
MAIN BOARD
/78
M/C
C
M/C
C
C
C

SPECIFICATIONS
1-2
Disc Player
LCD
General Tuner
Note:
without notice for product improvements.
Specifications and design are subject to change
Power supply:
Fuse:
Suitable speaker impedance:
Maximum power output:
Continuous power output:
Pre-Amp output voltage:
Aux-in level:
Dimensions(WxHxD):
Weight:
12V DC(11V )
negative ground
15A
4-8Ω
45Wx4channels
18Wx4channels(4Ω 10% T.H.D.)
2.0V(CD play mode;1kHz,0dB,
10KΩ load)
≥500mV
188x58x193mm
1.9kg
-16V
System:
Frequency response:
Signal/noise ratio:
Total harmonic distortion:
Channel separation:
Video signal for mat:
Video output:
Disc digital audio system
20Hz-20k Hz
＞75dB
Less than 0.3%(1KHz)
＞55dB
NTSC/PAL/AUTO
1+/0.2V
Screen size:
Display resolution:
Active area:
Contrast ratio:
Brightness:
3.0 inches .
320x240 dots
65.52(W)x36.84(H)
300
200cd/m
(16 91)
Frequency range
-FM
Frequency range
-AM(MW)
Usable sensitivity
-FM
Usable sensitivity
-AM(MW)(S/N=20dB)
Frequency response
Stereo separation
Signal/noise ratio
87.5-108.0MHz(Eur)
65.0-74.0MHz(OIRT)
87.5-107.9MHz(Ame)
522-1620KHz(Eur)
530-1710MHz(Ame)
8uV
30uV
30Hz-15KHz
30db(1KHz)
＞55dB

MEASUREMENT SETUP
Tuner FM
DUT
RF Generator
Bandpass
LF Voltmeter
e.g. PM5326
250Hz-15kHz
e.g. 7122 707 48001 e.g. PM2534
S/N and distortion meter
e.g. Sound Technology ST1700B
Ri=50Ω
Use a bandpass filter to eliminate hum(50Hz,100Hz) and disturbance from the pilottone(19kHz,38kHz).
Tuner AM (MW,LW)
DUT
RF Generator
Bandpass
LF Voltmeter
e.g. PM5326
250Hz-15kHz
e.g. 7122 707 48001 e.g. PM2534
S/N and distortion meter
e.g. Sound Technology ST1700B
Ri=50Ω
Frame aerial
e.g. 7122 707 89001
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 ).
'
DUT DUT
L
R
LF Generator
e.g. PM5110
LEVEL METER
e.g. Sennheiser UPM550
with FF-filter
S/N and distortion meter
e.g. Sound Technology ST1700B
L
R
LEVEL METER
e.g. Sennheiser UPM550
with FF-filter
S/N and distortion meter
e.g. Sound Technology ST1700B
Use Audio Signal Disc SBC429 4822 397 30184
(replaces test disc 3)
Cassette
Use Universal Test Cassette CrO2 SBC419 4822 397 30069
or Universal Test Cassette Fe SBC420 4822 397 30071
CD
1-3

1-4
SERVICE AIDS
GB
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

1-5
INSTRUCTIONS ON CD PLAYABILITY
Set remains closed!
check playability
N
N
N
Y
Y
Y
check playability
Exchange CDM
"fast" lens cleaning
playability
ok?
playability
ok?
playability
ok?
①
Customer complaint
"CD related problem"
Check playability
Play a CD
for at least 10 minutes
ann lnfo for customer
"SET OK"②
return set
①-④For description see following pages-
③
For flap loaders(=access to CD drive possible)
clesning method④is recommended

1-6

Disassembly Diagram
2、Press the release key first,
then take out the panel.
1、P collar
main set with two L-keys.
ull out the mounting from the
5、Take out the bottom cover with a forceps.
4、Take out the top cover with a forceps.
3、loosen and take out the two bolts
with a screw-driver.
6、loosen and take out the bolt
with a screw-driver.
7、loosen and take out the bolt
with a screw-driver.
8、loosen and take out the t bolt
with a screw-driver.
wo s 9、P
carefully
ull out the two pieces of connection-pegs 10、loosen and take out the four bolt
with a screw-driver.
s
2-1 2-1

11 loosen and take out the bolt
with a screw-driver,
、
15、Loosen and take out the six bolts
with a screwdriver.
12 loosen and take out the bolt
with a screw-driver,
、 13 loosen and take out the bolt
with a screw-driver,
、
14、P
carefully
ull out the two pieces of connection-pegs
Disassembly Diagram
2-2 2-2

3-1 3-1
Software version check & upgrade Upgrade software
Check Servo software version
Check MCU software version
1. Copy the file "MCU.BIN" into USB stick
2. Power on the device, and plug the USB stick into USB socket.
After the device read the content in the USB, the LCD will show
a upgrade menu, and enter into the upgrading status.
3. The LCD will appear a number (changed from 20 to 0), and when
arrived the number 0, then appear a processing bar, which mean
the device enters upgrading status.
4. In step 3. if want to enter into upgrading status quickly, press the
key OKto confirm, the processing bar will appear immediately.
5. Disconnect the USB stick.
6. When software upgrade complete, the device will power off automatically.
1. Copy the file "ROM.BIN" into USB stick (note to delete the file "MCU.BIN" ).
2. Power on the device, and plug the USB stick into USB socket. After the
device read the content in the USB, the LCD will show a upgrade menu,
and enter into the upgrading status.
3. The LCD will appear a number(changed from 20 to 0), and when arrived
the number 0, then appear a processing bar, which mean the device enters
upgrading status.
4. Press the key OK to confirm, the processing bar will appear immediately.
5. Disconnect the USB stick.
6. When software upgrade complete, the device will change to disc mode automatically.
When the device is power on at the first time, in USB/SD/Disc mode,
press the key in turn:
stop up down left right
The LCD will display the servo software, MCU, TFT version number.

3-2 3-2
Malfunction check chart
TDA7388 of main
Main board which in
Main board
NO
NO
NO Change main
Check tuner circuit
and its conjoint part
is good or bad
NO
NO
NO
NO
NO
NO
SD no read
Change servo
Whether connect to SD
Check the socket of SD
SD
USB no read
Change servo
Whether connect to USB
Check the socket o f USB
SD

4-1 4-1
WIRING DIAGRAM

5-1 5-1
MAIN BOARD-CIRCUIT DIAGRAM-1

5-2 5-2
MAIN BOARD-CIRCUIT DIAGRAM-2

5-3 5-3
MAIN BOARD-PCB LAYOUT TOP/BOTTOM VIEW

6-1 6-1
SERVO BOARD-CIRCUIT DIAGRAM-1

6-2 6-2
SERVO BOARD-CIRCUIT DIAGRAM-2

6-3 6-3
SERVO DIAGRAM BOARD-LAYOUT TOP/BOTTOM VIEW

7-1 7-1
SB+CB BOARD-CIRCUIT DIAGRAM

7-2 7-2
SB+CB BOARD-PCB LAYOUT TOP/BOTTOM VIEW