Philips CED320/55 Manual de usuario
CED320/55
©Copyright 2008 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.
Published by JZ-SL 0845 Service Audio Printed in The Netherlands Subject to modification
Car Entertainment System
Version 1.1
CLASS 1
LASER PRODUCT
©3141 785 33201
TABLE OF CONTENTS Page
PCBs Location......................................................................1-1
Specifications .......................................................................1-2
Measurement Setup.............................................................1-3
Service Aids, Safety Instruction, etc.....................................1-4
Instructures on CD Playability ....................................1-5 to 1-6
Disassembly Diagrams...............................................2-1 to 2-2
Software Version Check & Upgrade.....................................3-1
Malfunction Check Chart......................................................3-2
Set Block Diagram................................................................4-1
Set Wiring Diagram ..............................................................5-1
Main Board..............................................................................6
Servo Board.............................................................................7
Conn. Board1 + AV Board .......................................................8
Conn. Board2 + SD Board.......................................................9
Long Board............................................................................10
Key Board.............................................................................. 11
Set Mechanical Exploded View & Parts List..........................12
CED320X/78
1-1
Location of PCBS
Service policy /55
/55
VERSION VARIATIONS:
Type/Versions
Type/Versions
Board inused:
CED320
CED320
Feature diffrence
Features
* TIPS:C--Component Lever Repair.
M--Module Lever Repair
--Used
MAIN BOARD
MAIN BOARD
SERVO BOARD
SERVO BOARD
KEY BOARD
KEY BOARD
CONNECT BOARD
CONNECT BOARD
SD BOARD
SD BOARD
CONNECT BOARD2
CONNECT BOARD2
LONG BOARD
LONG BOARD
C
C
C
C
C
C
C
SPECIFICATIONS
1-2
Disc Player
LCD
General Tuner
Note: Specifications and design are subject to change
without notice for product improvements.
Components
Front panel carry case
Car audio system
Trim plate
Remote control
Rubber cushion
Standard connector
Removal keys
Screws M5X6mm
User manual
Quike start guide
MP3-link wire
1
1
1
1
1
1
2
4
1
1
1
Power supply:
Fuse:
Suitable speaker impedance:
Maximum power output:
Continuous power output:
Pre-Amp output voltage:
Subwoofer output voltage:
Aux-in level:
Dimensions(WxHxD):
Weight:
12V DC(11V-16V)
negative ground
15A
4-8Ω
50Wx4channels
24Wx4channels(4Ω 10% T.H.D.)
2.0V(CD play mode;1kHz,0dB,
10KΩ load)
2.0V (CD play mode)
≥500mV
188x58x193mm
1.9kg
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:
Dot pitch:
Contrast ratio:
Brightness:
3.5 inches(16.91)
320x234 dots
76.32x42.822mm
0.2385x0.183mm
350
220cd/m
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
2-1 2-1
2、Press the release key first,
then take out the panel.
1
2
3
4
5
3、Take out the top cover with a forceps. 1、Pull out the mounting collar from the
main set with two L-keys.
4、Take out the bottom cover with a forceps. 5、loosen and take out the bolt
①with a screw-driver.
6、loosen and take out the five bolts
②with a screw-driver,
7、Pull out the two pieces of connection-pegs
③carefully
8、loosen and take out the five bolts
④with a screw-driver,
9、loosen and take out the bolt
⑤with a screw-driver,
Disassembly Diagram
2-2 2-2
6
7
8
9
10、loosen and take out the bolt
⑥with a screw-driver,
11、loosen and take out the bolt
⑦with a screw-driver,
12、Pull out the two pieces of connection-pegs
⑧carefully
13、Take out the knob from panel.
14、Loosen and take out the five bolts
⑨with a screwdriver.
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