Becker Mercedes Benz MY99 User manual

Circuit diagram
Version 1.0 - englisch
BECKER GMBH
Im Stöckmädle 1
76307 Karlsbad, Germany
Telefon [phone]
Modifications reserved
Copyright by Harman/Becker, Karlsbad
Part. No.
Components schematics
Test program / Reset
Anti-theft Divice
Technical Data
Audio 10 ECE Typ 3100
Service Manual
Spare Parts List

BE
CSD - Version: 24/00
Mercedes Benz MY99
1
3100
Additional Test programe / Reset-release Audio 10 ECE DIN
A
B
3
12
C
1and
after
2press simultanously
3press once
Becker-Test mode
is activated
f. e. 10 = Field strength
f. e. 89.5 = Frequency (MHz)
100 = Grid FM
9 = Grid AM
Test programe MB-MY99
3press twice
3press 3 times
3press 4 times
Increase TA
Settings: 0-1-2-3
select with ,
after 5 seconds test programme
will be quit automaticly
3press 5 times
3press 7 times
SIG
10 89.5
BECKER
TPV 2
ECE
100 9
TYP 3100
SEA
W1001052
SW
03/00
END
3press 6 times Display:
actual software version
Action: Sound source will be interruped for app. 1 second and
display set up again.
RESET-release MB-MY99
and press simultanously .
A B C
and

BE
CSD - Version: 24/00
Mercedes Benz MY99
2
3100
Additional Entering the code number Audio 10 ECE DIN
Entering the code number
C
B
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
A
C
A

BE
CSD - Version: 24/00
Mercedes Benz MY99
3
3100
Additional Technical Data Audio 10 ECE DIN
Technical Data
Wave band: FM 87,5 MHz - 108 MHz
AM 531 kHz - 1620 kHz
LW 153 kHz - 282 kHz
SW 5800 kHz - 6250 kHz
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
30 Hz - 15 kHz FM
50 Hz - 2,5 kHz AM, LW, SW
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)
Titel search forward/rewind
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.
The use of 8 cm CDs with adapter is not recommended.

CSD - Version: 24/00
BE 1
Circuit diagram - Mercedes Benz MY99
Table of contents Circuit diagram 3100Audio 10 ECE DIN
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
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

CSD - Version: 24/00
BE 2
Circuit diagram - Mercedes Benz MY99
Blockdiagram Main Board 4010 2 3100Audio 10 ECE DIN
Power
supply
AF-section
Audio-
controller;
AF-amplifier
Control
Tape deck,
Dolby B
Tuner
AM/FM
Steuerung
Prozessor,
Shiftregister,
Tuner
RDS-
Decoder
Connector block (Board 4040)
Interface (Board 4010)
Interface
Illumination;
Tel.-Mute;
GAL; 12Vout;
CAN,-K-Bus
8
3
10
Interface
d2b-optical;
AD / DA-
converter
9
12
6
11
7
4
Connector
Front Interface (Board 4010)
Frontprocessor, Keyboard (Board 9090)
Display (Board 9090)
13
14
Front
15
5

CSD - Version: 24/00
BE 3
Circuit diagram - Mercedes Benz MY99
Connector Connector block (Board 4040) 3100Audio 10 ECE DIN
A
B
C
Loudspeaker
rear right +
not assigned
Speed
dependent Vol.
control
PIN Chamber A Chamber B Chamber C
1
Loudspeaker
rear right -
not assigned
K-line
2
Loudspeaker
front right +
Telephone
mute
3
Loudspeaker
front right -
Wake up line
Terminal 30,
Battery
4
Loudspeaker
front left +
Battery 12V
Fuse
Control
output 12V
5
Loudspeaker
front left -
Terminal 31,
Ground
Battery 12V
Fuse
6
Loudspeaker
rear left +
Terminal 15,
Ignition
7
Loudspeaker
rear left -
Terminal 31,
Ground
8
Chamber Chamber Chamber

CSD - Version: 24/00
BE 4
Circuit diagram - Mercedes Benz MY99
to connector block (Board 4040)
Connector Connector interface (Board 4010) 3100Audio 10 ECE DIN

CSD - Version: 24/00
BE 5
Circuit diagram - Mercedes Benz MY99
Power supply UG9V; UD5V; UG5V (Board 4010) 3100Audio 10 ECE DIN
Voltage control
UG5V
UG9V
UD5V

CSD - Version: 24/00
BE 6
Circuit diagram - Mercedes Benz MY99
Oscil.
FM-Quality
Tuner FM / AM-Tuner (Board 4010) 6 3100Audio 10 ECE DIN
AM-nois
reduction
Synthesizer
AM-Signal way
FM-Signal way

CSD - Version: 24/00
BE 7
Circuit diagram - Mercedes Benz MY99
Tuner RDS-Decoder (Board 4010) 3100Audio 10 ECE DIN
RDS-
Decoder
Circuit additional
Synthesizer-PLL

CSD - Version: 24/00
BE 8
Circuit diagram - Mercedes Benz MY99
AF-section Audio controller, AF-amplifier (Board 4010) 8 3100Audio 10 ECE DIN
Audio controller
Control-
AF-amplifier
AF-amplifier

CSD - Version: 24/00
BE 9
Circuit diagram - Mercedes Benz MY99
A/D-D/A-converter
Interface d2b-optical, A/D-D/A-converter (Board 4010) 9 3100Audio 10 ECE DIN
Fot-Unit
d2b-optical „CONAN“

CSD - Version: 24/00
BE 10
Circuit diagram - Mercedes Benz MY99
Interface Illumination; 12V out; Tel.-Mute; GAL; CAN-, K-BUS (4010) 3100Audio 10 ECE DIN
EEPROM
Illumination
Wake up-line
K-line
CAN-Physicallayer
Tel.-Mute-input
GAL-input
12V out
Inverter -ignation KL75
Control „ON“

CSD - Version: 24/00
BE 11
Circuit diagram - Mercedes Benz MY99
Control Processor; Shiftregister (Board 4010) 3100Audio 10 ECE DIN
Latch2
Input
Latch1
Output
Selektion
Latch1: Output
Latch2: Input
Processor
Adress-
Latch
EPROM
RAM
Shiftregister

CSD - Version: 24/00
BE 12
Circuit diagram - Mercedes Benz MY99
Control CC-control, Dolby B (Board 4010) 12 3100Audio 10 ECE DIN
to Tape deck
Tape monitoring
CC-amplifiere,
Dolby B

CSD - Version: 24/00
BE 13
Circuit diagram - Mercedes Benz MY99
Illumination control
Keyboard and Display
Front Front-Interface (Board 4010) 13 3100Audio 10 ECE DIN
to Front (Board 9090)

CSD - Version: 24/00
BE 14
Circuit diagram - Mercedes Benz MY99
to
Mainboard
4010
Keyboard right
Display
Anti-Theft-
Diode
control
Increment pick-up
Volume,
On / off-switch
Front Front-Processor, Keyboard (Board 9090) 3100Audio 10 ECE DIN
Reset-
control
Wake up
Front-
Processor
Front-Processor
Illumination
on / off-switch
Keyboard right
Keyboard left
CC-slot
Keyboard left
Keyboard right
Keyboard left

CSD - Version: 24/00
BE 15
Circuit diagram - Mercedes Benz MY99
Front Display (Board 9090) 3100Audio 10 ECE DIN
Contrast control
LCD-Driver

Ersatzteile Typ:3100 Seite:1 von 17
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14 1342312 TASTE AUSSCHUB
15 1342320 TASTE SC
16 1342339 TASTE STUMM
17 1342355 TASTE KLANG
18 1342363 TASTE CC
19 1342371 TASTE FM
20 1342381 TASTE AM
21 1342398 TASTE CD
22 1342401 TASTENKREUZ SUCHLAUF
23 1342411 TASTENKREUZ STATIONSTASTEN
24 1342428 TASTE RDS
25 1313428 KONTAKTMATTE, LINKS 3100
26 1313436 KONTAKTMATTE, RECHTS 3100
27 1313369 DREHFEDER-VKL-
28 1313355 VERSCHLUSSKLAPPE BDR
29 1313339 STEUERUNGSHEBEL -VKL- 3100
30 1313347 VERSCHLUSSKLAPPE -STEUERUNG- 3100
31 1284177 DREHKNOPF MRT 3300
32 1313411 LICHTLEITER, CC 3100
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C110 1119125 KEKO-CH 10N K X7R 0805 BAW SPE0015A315
C111 1119125 KEKO-CH 10N K X7R 0805 BAW SPE0015A315
C114 1283499 KEKO-CH 1U K X7R 0805 10V MUR GRM 40
C115 1246321 KEKO-CH 220N K X7R 1206 BAW SPE0036A315
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C122 1119060 KEKO-CH 1N K X7R 0805 BAW SPE0015A315 20.06.2000