Becker AUDIO 10 ECE TYP 3100 Schematic
Service Manual
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Version 1.0 - englisch
Audio 10 ECE Typ 3100
Circuit diagram
Components schematics
Test program / Reset
Anti-theft Divice
Technical Data
Spare Parts List
BECKER GMBH
Im Stöckmädle 1
76307 Karlsbad, Germany
Telefon +49(0) 7248 710
Modifications reserved
Copyright by Harman/Becker, Karlsbad
Part. No.
Mercedes Benz MY99
CSD - Version: 24/00
B
A
3
1
Test programe MB-MY99
1
and
after
press simultanously
2
3 press once
3 press twice
3 press 3 times
BECKER
SIG
10 89.5
TPV 2
ECE
100 9
C
RESET-release MB-MY99
and
A B C
Action: Sound source will be interruped for app. 1 second and
display set up again.
2
Becker-Test mode
is activated
f. e. 10 = Field strength
f. e. 89.5 = Frequency (MHz)
Increase TA
Settings: 0-1-2-3
select with ,
100 = Grid FM
9 = Grid AM
and
press simultanously .
3 press 4 times
TYP 3100
SEA
3 press 5 times
W1001052
SW
3 press 6 times
03/00
3 press 7 times
END
Additional Test programe / Reset-release Audio 10 ECE DIN
Display:
actual software version
after 5 seconds test programme
will be quit automaticly
BE
3100
1
Mercedes Benz MY99
Entering the code number
B
A
C
CSD - Version: 24/00
Set each digit of the code with the or button and confirm
individually with the button. The dash prompting the entry of the next
digit flashes. The digits can be reselected for correction via the
button.
A
B
C
A
Additional Entering the code number Audio 10 ECE DIN
BE
3100
2
Mercedes Benz MY99
Technical Data
Wave band: FM 87,5 MHz - 108 MHz
Station memory: 4 stations can be stored for each of the wave bands FM1 and FM2, AW, LW and SW
Frequency range: 50 Hz - 16 kHz Cassette
EON-Function:
Regional mode: switching on / switching off
Regional mode: FM, AW, LW
Output power: 4 x 20 Watt at 4 Ohm (10%Klirr)
Line cross section: min. 0,75 mm²
Speaker Impedance: min. 4 Ohm
GAL: fixed defined volume increase
Antenna: Impedanz 50 Ohm
Telephone mute: Low active level < 2 Volt
Supply voltage: 12 Volt
Tape deck: Autoreverse, electronical control (Full Logic Control)
Soundsystem: Connection only via D2B optical interface
CD connection: Only MB-CD changers with D2B optical interface can be connected.
Playable CD's: Only CDs which conform to DIN EN 60908 may be used.
CSD - Version: 24/00
AM 531 kHz - 1620 kHz
LW 153 kHz - 282 kHz
SW 5800 kHz - 6250 kHz
30 Hz - 15 kHz FM
50 Hz - 2,5 kHz AM, LW, SW
Titel search forward/rewind
The use of 8 cm CDs with adapter is not recommended.
Additional Technical Data Audio 10 ECE DIN
BE
3100
3
Circuit diagram - Mercedes Benz MY99
Blockdiagram
Main Board 4010 ....................................................2
Connector
Connector block (Board 4040) .............................. 3
Connector interface (Board 4010) ......................... 4
Power supply
UG9V; UD5V; UG5V (Board 4010) ......................... 5
Tuner
FM / AM-Tuner (Board 4010) ................................. 6
RDS-Decoder (Board 4010) .................................. 7
AF-section
Audio controller, AF-amplifier (Board 4010) ............ 8
CSD - Version: 24/00
Interface
d2b-optical, A/D-D/A-converter (Board 4010)........ 9
Illumination; 12V out;
Tel.-Mute; GAL; CAN-, K-BUS (Board 4010) ......... 10
Control
Processor; Shiftregister (Board 4010) .................... 11
CC-control, Dolby B (Board 4010)......................... 12
Front
Front-Interface (Board 4010) ................................. 13
Front-Processor, Keyboard (Board 9090) ............. 14
Display (Board 9090) ............................................. 15
Table of contents Circuit diagram 3100Audio 10 ECE DIN
BE
1
Circuit diagram - Mercedes Benz MY99
Connector
Connector block (Board 4040)
3
4
Interface (Board 4010)
CSD - Version: 24/00
Power
supply
Tuner
AM/FM
Tuner
RDS-
Decoder
Interface
Illumination;
Tel.-Mute;
GAL; 12Vout;
CAN,-K-Bus
5
Control
Tape deck,
Dolby B
6
Steuerung
Prozessor,
Shiftregister,
7
10
12
11
AF-section
Audio-
controller;
AF-amplifier
8
Interface
d2b-optical;
AD / DAconverter
9
Blockdiagram Main Board 4010
Front
Front Interface (Board 4010)
13
14
Frontprocessor, Keyboard (Board 9090)
15
Display (Board 9090)
BE
3100Audio 10 ECE DIN
2
2
Circuit diagram - Mercedes Benz MY99
Chamber Chamber Chamber
CSD - Version: 24/00
PIN
Chamber A Chamber B Chamber C
Speed
1
dependent Vol.
control
K-line
2
Loudspeaker
rear right +
Loudspeaker
rear right -
not assigned
not assigned
Telephone
3
mute
Terminal 30,
4
Battery
C
B
A
Control
5
output 12V
Battery 12V
6
Fuse
Terminal 15,
7
Ignition
Terminal 31,
8
Ground
Connector Connector block (Board 4040) 3100Audio 10 ECE DIN
Loudspeaker
front right +
Loudspeaker
front right -
Loudspeaker
front left +
Loudspeaker
front left -
Loudspeaker
rear left +
Loudspeaker
rear left -
Wake up line
Battery 12V
Fuse
Terminal 31,
Ground
BE
3
Circuit diagram - Mercedes Benz MY99
CSD - Version: 24/00
to connector block (Board 4040)
Connector Connector interface (Board 4010) 3100Audio 10 ECE DIN
BE
4
Circuit diagram - Mercedes Benz MY99
Voltage control
CSD - Version: 24/00
UG9V
UG5V
UD5V
Power supply UG9V; UD5V; UG5V (Board 4010) 3100Audio 10 ECE DIN
BE
5
Circuit diagram - Mercedes Benz MY99
CSD - Version: 24/00
Oscil.
Synthesizer
AM-Signal way
FM-Signal way
Tuner FM / AM-Tuner (Board 4010)
AM-nois
reduction
FM-Quality
BE
3100Audio 10 ECE DIN
6
6
Circuit diagram - Mercedes Benz MY99
CSD - Version: 24/00
RDS-
Decoder
Tuner RDS-Decoder (Board 4010) 3100Audio 10 ECE DIN
Circuit additional
Synthesizer-PLL
BE
7
Circuit diagram - Mercedes Benz MY99
Audio controller
CSD - Version: 24/00
AF-amplifier
Control-
AF-amplifier
AF-section Audio controller, AF-amplifier (Board 4010)
BE
3100Audio 10 ECE DIN
8
8
Circuit diagram - Mercedes Benz MY99
CSD - Version: 24/00
Fot-Unit
d2b-optical
Interface d2b-optical, A/D-D/A-converter (Board 4010)
„CONAN“
A/D-D/A-converter
BE
3100Audio 10 ECE DIN
9
9
Circuit diagram - Mercedes Benz MY99
CSD - Version: 24/00
Illumination
Wake up-line
K-line
Control „ON“
12V out
Tel.-Mute-input
EEPROM
GAL-input
CAN-Physicallayer
Interface Illumination; 12V out; Tel.-Mute; GAL; CAN-, K-BUS (4010) 3100Audio 10 ECE DIN
Inverter -ignation KL75
BE
10
Circuit diagram - Mercedes Benz MY99
CSD - Version: 24/00
EPROM
Latch1
Output
Processor
Latch2
Input
Selektion
Latch1: Output
Shiftregister
Latch2: Input
Control Processor; Shiftregister (Board 4010) 3100Audio 10 ECE DIN
Adress-
Latch
RAM
BE
11
Circuit diagram - Mercedes Benz MY99
CSD - Version: 24/00
Tape monitoring
to Tape deck
Control CC-control, Dolby B (Board 4010)
CC-amplifiere,
Dolby B
BE
3100Audio 10 ECE DIN
12
12
Circuit diagram - Mercedes Benz MY99
CSD - Version: 24/00
to Front (Board 9090)
Front Front-Interface (Board 4010)
Illumination control
Keyboard and Display
BE
3100Audio 10 ECE DIN
13
13
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