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Philips CEM220/51 User manual

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CEM220/51/55/98
©Copyright 2009 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 0948 Service Audio Printed in The Netherlands Subject to modification
Car Entertainment System
Version 1.3
CLASS 1
LASER PRODUCT
3141 785 33213
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
FB/USB Board.........................................................................8
SD Board.................................................................................9
Key Board..............................................................................10
Set Mechanical Exploded View & Parts List.......................... 11
CEM220X/78
Revision List.......................................................................... 12
2
2
C C
C C
CC
/98
/98
C
C
C/M
C
C/M
/51
FRONT
KEY
CONNECTION (CB BOARD) C/M
C/M
C/M
C/M
C/M
C/M
C/M
C/M
C/M
C/M
FRONT KEY
SPECIFICATIONS
1-2
Components
Note: Specifications and design are subject to change
without notice for product improvements.
Car audio system
Remote control
Rubber cushion
Disassembly tool
Front panel
Carrying case for front panel
Trim plate
Screw
User manual
Quick start guide
1
1
1
2
1
1
2
4
1
1
General
Radio
Power supply:
Fuse:
Suitable speaker impedance:
Maximum power output:
Continuous power output:
Pre-Amp output voltage:
Subwoofer output voltage:
Aux-in level:
Dimensions(W×H×D):
Wight:
12V DC(11V-16-),
negative ground
15V
4-8Ω
45W×4channels
22W×4channels(4Ω10%
T.H.D)
2.0V(USB play mode;
1kHz,0dB,10kΩ load)
2.0V(USB play mode;
61kHz,0dB,10kΩ load)
≥500mV
188×58×128MM
1.0kg
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)
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
2-1 2-1
Disassembly Diagram
1
2
3
4
567
1. Remove the mounting sleeve with the removal keys.
Press key and remove the front panel.
2. Remove the two screws on the back side of
the unit with a screw driver.
4. Remove the screw 3 as shown. 5. Remove the bottom cover with a tool.
3. Remove the upper cover with a tool.
6. Remove the screws 4 with a screw driver.
7. Remove the screw 5 with a screw driver. 8. Remove the connectors 6, and then remove
the mechanism core.
9. Remove the adhesive tapes 7.
12
11
10
2-2 2-2
Disassembly Diagram
8
9
10. Remove the screw 8 . 11. Remove the screw 9 . 12. Remove the screw 10 .
13. Remove the connectors 11, and then remove
the bracket with a tool.
14. Remove the screws 12.
3-1 3-1
Software version check & upgrade Upgrade software
VS-104
1、Check Servo software version
2、Check MCU software version
3、Check BT software version
VM-103
VBT-177
In USB/SD/Disc mode, press DISP + 6 simutaliously
for 2 sec, LCD display is as below:
In tuner mode, press DISP + 6 simutaliously for 2 sec,
LCD display is as below:
In tuner mode, press DISP + 5 simutaliously for 2 sec,
LCD display is as below:
102 is the servo software version
101 is the MCU software version
177 is the MCU software version
1、Copy servo software "BOOT.ALI" and "nemo.bin" into USB memory,
plug the USB memory into USB socket.Device upgrade servo software
automatically,Don't power off or disconnect power during the upgrade,
LCD show:
SERVO UPGRADING,,,DON'T PWR OFF
Around 1 minute,servo software upgrade completed and device change
to radio mode automatically
2、Delete the servo software in the USB and copy the MCU software
"CEM250MCU" (for CEM250) into USB memory, plug the USB memory
into USB socket.Device upgrade MB software software automatically
Don't power off or disconnect power during the upgrade, LCD show:
Around 1 minute,MB software upgrade completed and device power
off automatically,disconnect the USB memory.
MCU UPG