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CSD - Version: 38/99
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1
Circuit diagram - Mercedes Benz MY98
Table of contents
Circuit diagram
3201
Audio 10 Export DIN
Block diagram
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-Tuner (Board 4010) ......................................... 6
FM-Peripherie (Board 4010) ................................. 7
AM-Tuner (Board 4010) ........................................ 8
AF-section
Audio controller and FM-Stereo decoder ............... 9
AF-amplifier (Board 4010) ...................................... 10
Interface
d2b-optical (Board 4010) ...................................... 11
Wake up-Line, K-Line(Board 4010)........................ 12
Control
Processor (Board 4010) ........................................ 13
Shiftregister, EEPROM (Board 4010) ................... 14
CC-control, Dolby B (Board 4010) ........................ 15
Front
Front-Interface (Board 4010).................................. 16
Front-Processor, Keyboard right (Board 9090) ...... 17
Keyboard left (Board 9060) .................................... 18
Display (Board 9090) ............................................. 19


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CSD - Version: 38/99
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2
Circuit diagram - Mercedes Benz MY98
AF-section
AF-amplifier
and
Connector-
interface
AF-section
Audio-
controller
Control
CC-Control,
Dolby B
Tuner
FM
Interface
,,d2b"
Power
supply
Tuner
AM
Interface
Shiftregister,
EEPROM,
Wake up-
line,
K-line
Control
P
Tuner
Peripherie
Block diagram
Main Board 4010
2
3201
Audio 10 Export DIN
Front
,,Interface"


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CSD - Version: 38/99
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3
Circuit diagram - Mercedes Benz MY98
Connector
Connector block (Board 4040)
3201
Audio 10 Export DIN
C1
C3 C5
C7
C2
C4 C6
C8
C9
C10
B1
B3
B5
B2
B4
B6
B7
B8
A1
A3
A5
A6
A2
A7
A8
A4
Chamber C
Chamber B
Chamber A
A1
A3
A5
A6
A2
A7
A8
A4
Fuse
10A
B1
B3
B5
B2
B4
B6
B7
B8
C1
C3
C5
C7
C2
C4
C6
C8
C9
C10
Connector block
Chamber C
Chamber B
Chamber A
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 +
not assigned
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 +
not assigned
Terminal 15,
Ignition
7
not assigned
9
not assigned
10
Loudspeaker
rear left -
not assigned
Terminal 31,
Ground
8


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CSD - Version: 38/99
BE
4
Circuit diagram - Mercedes Benz MY98
Connector
Connector interface (Board 4010)
3201
Audio 10 Export DIN
AF-section
Page 10


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CSD - Version: 38/99
BE
5
Circuit diagram - Mercedes Benz MY98
Power supply
UG9V; UD5V; UG5V (Board 4010)
3201
Audio 10 Export DIN
GAL-input
Inverter -IgnationKL75-
Voltage
control
UG5V
UG9V
12V out
UD5V
Tel.- Mute- input