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

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

KEY BOARD SERVO BOARD SD BOARD LONG BOARD CONNECT BOARD

MAIN BOARD

/78

M/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

LF Generator

e.g. PM5110

LEVEL METER

e.g. Sennheiser UPM550

with FF-filter

S/N and distortion meter

e.g. Sound Technology ST1700B

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

1-3

1-4

SERVICE AIDS

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

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.

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.

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