Philips CED750/55 User manual

CED750/55/98/51
DB-SL 0950 3141 785 33263
Exploded View & Parts List
Version 1.3
9

1-1
Location of PCBS
Service policy /55
/55
VERSION VARIATIONS:
Type/Versions
Type/Versions
Board inused:
CED750
CED750
Feature diffrence
Features
* TIPS:C--Component Lever Repair.
M--Module Lever Repair
--Used
MAIN BOARD
MAIN BOARD
SERVO BOARD
SERVO BOARD
C
M
C
C
MOTOR BOARD TFT DRIVER BOARD
MOTOR BOARD
TFT DRIVER BOARD

Specifications
General
Power supply: 12V DC(11V-16V)
negative groud
Fuse: 15A
Suitable speaker impedance: 4-8ȍ
Maximum power output: 50W×4channels
Continous power out: 24W×4channels(4ȍ10% T.H.D.)
Pre-Amp output voltage: 2.0V(CD play mode;1kHz,0dB,10kȍload)
Subwoofer output voltage: 2.0V(CD play mode)
Aux-in level: ı500mV
Dimensions(W×H×D): 188×58×193mm
Weight: 2.5kg
Disc Player
System: Disc digital audio system
Frequency response: 20Hz-20k Hz
Signal/noise ratio: η75dB
Total harmonic distortion: Less than 0.3%(1KHz)
Channel separation: η55dB
Video signal for mat: NTSC/PAL/AUTO
Video output: 1+/0.2V
LCD
Screen size: 7inches(16:9)
Display resolution: 480×234 dots
Active area: 154.08×86.58mm
Dot pitch: 0.107×0.370mm
Contrast ratio: 350
Brightness: 200cd/m
Bluetooth
Communication system: Bluetooth Standard version 2.0
Output: Bluetooth Standard Power Classer 2
Maximum communication rang
e
Line of sight approx.10m
Frequency band: 2.4GHz band(2.4000GHz-2.4835GHz)
Modulation method: FHSS
Compatible Hands-Free Profile(HFP)
bluetooth Hands-Free Profile(HFP)
profiles Advanced Audio
Distribution Profile(A2DP)
Audio Video Remote
Control Profile(AVRCP)
Supported SBC(Sub Band Codec),MP3
codecs SBC(Sub Band Codec)
Receive
Transmit
Tuner
Frequency range 87.5-108.0MHz(Eur)
ˉFM 65.0-74.0MHz˄OIRT˅
87.5-107.9MHz(Ame)
Frequency range 522-1620KHz(Eur)
ˉAM(MW) 530-1710MHz(Ame)
Usable sensitivity 8uV
ˉFM
Usable sensitivity 30uV
ˉAM(MW)(S/N=20db)
Frequency response 30Hz-15KHz
Stereo separation 30db(1KHz
Signal/noise ratio η55db
Note:Specifications and design are subject to change without notice for product improvements.
1-2

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 Te st Cassette CrO2 SBC419 4822 397 30069
or Universal Te st 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

Software version check & upgrade
2-1 2-1
Software version check
Open the Settings menu, and then press the numeric keys ?43210?on the remote control in turn. A
picture contained version information will be displayed.
MPEG upgrade
1. First, copy the upgrade files to SD card or USB storage device. To ensure success, add some
media files larger than 8M such as MP3 to the storage device meanwhile.
Upgrade Files: MPEG.BIN MCU.BIN BT.BIN
2. Insert the storage device contained upgrade files into the player and the player will load the
upgrade files automatically. Following picture will be displayed.
3. Following picture will be displayed after you select the 'MPEG upgrade' option.
4. Touch ' upgrade' to start upgrade process and following picture will be displayed. Meanwhile, Beep
tone can be heard during the upgrade process.
BT upgrade
1. First, copy the upgrade files to SD card or USB storage device. To ensure success, add some
media files larger than 8M such as MP3 to the storage device meanwhile.
Upgrade Files: MPEG.BIN MCU.BIN BT.BIN
2. Insert the storage device contained upgrade files into the player and the player will load the
upgrade files automatically. Following picture will be displayed.

3. Following picture will be displayed after you select the 'BT upgrade’ option.
5. Touch 'Upgrade’ to start upgrade process and following picture will be displayed.
MCU upgrade
1. First, copy the upgrade files to a SD card or USB storage device. To ensure success, add some
media files larger than 8M such as MP3 to the storage device meanwhile.
2. Insert the storage device contained upgrade files into the player and the player will load the
upgrade files automatically. Following picture will be displayed.
3. Following picture will be displayed after you select the 'MCU upgrade’ option.
4. Touch 'Upgrade’ to start upgrade process and following picture will be displayed.
5. When the upgrade process of MCU has been done, the player will reset automatically and the
whole upgrade process is done.
Upgrade Files: MPEG.BIN MCU.BIN BT.BIN
Software version check & upgrade
2-2 2-2