Service Manuals, User Guides, Schematic Diagrams or docs for : BECKER BE3301 BE3301
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Circuit diagram - Mercedes Benz MY98 CSD - Version: 26/99
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-Tuner (Board 4010) ........................................ 6
FM-Peripherie (Board 4010) ................................. 7
AM-Tuner (Board 4010) ........................................ 8
AF-section
Audio controller and FM-Stereo decoder (Board 4010) 9
AF-amplifier (Board 4010) ..................................... 10
Interface
d2b-optical (Board 4010) ...................................... 11
Wake up-Leitung, K-Leitung (Board 4010)............ 12
Control
P-control (Board 4010) ........................................ 13
Shiftregister, EEPROM (Board 4010) ................... 14
CC-Steuerung, Dolby B/C (Board 4010) ............... 15
Front
Front-Interface (Board 4010).................................. 16
Front- P, Keyboard central and right (Board 9090)17
Tastatur links (Board 9060) .................................... 18
Display (Board 9080) ............................................. 19
Table of contens Circuit diagrams Audio 30 DIN Export BE 3301 1
Circuit diagram - Mercedes Benz MY98 CSD - Version: 26/99
AF-section AF-section Control Tuner
AF-amplifier Audio- CC-Control, FM
and controller Dolby B
Connector-
interface
Interface Power Tuner
supply Tuner
,,d2b" Periphery
AM / WB
Front Interface
Shiftregister, Control
Interface
EEPROM, P
Wake up-line,
K-line
Blockdiagram Main Board 4010 Audio 30 DIN Export BE 3301 2
Circuit diagram - Mercedes Benz MY98 CSD - Version: 26/99
Chamber B Chamber A Chamber C
Connector block
B1 B3 B5 B7 A1 A3 A5 A7 C1 C3 C5 C7 C9
B2 B4 B6 B8 A2 A4 A6 A8 C2 C4 C6 C8 C10
Chamber C C1 C3 C5 C7 C9
C2 C4 C6 C8 C10
B1 B3 B5 B7
Chamber B
Fuse 10A
B2 B4 B6 B8
A1 A3 A5 A7
Chamber A A2 A4 A6 A8
PIN Chamber A Chamber B Chamber C
Speed Loudspeaker not assigned
1 dependent Vol. rear right +
control
K-line Loudspeaker not assigned
2
rear right -
Telephone Loudspeaker not assigned
3
mute front right +
Terminal 30, Loudspeaker Wake up line
4
Battery front right -
Control Loudspeaker Battery 12V
5
output 12V front left + Fuse
Battery 12V Loudspeaker Terminal 31,
6
Fuse front left - Ground
Terminal 15, Loudspeaker not assigned
7
Ignition rear left +
Terminal 31, Loudspeaker not assigned
8
Ground rear left -
9 not assigned
10 not assigned
Connector Connector block (Board 4040) Audio 30 DIN Export BE 3301 3
Circuit diagram - Mercedes Benz MY98 CSD - Version: 26/99
AF-section
Page 10
Connector Connector interface (Board 4010) Audio 30 DIN Export BE 3301 4
Circuit diagram - Mercedes Benz MY98 CSD - Version: 26/99
12V out
UG9V
Voltage
control
UG5V
UG9V
Tel.- Mute- input
GAL-input
Inverter -Ignition KL75-
Power supply UG9V; UD5V; UG5V (Board 4010) Audio 30 DIN Export BE 3301 5
Circuit diagram - Mercedes Benz MY98 CSD - Version: 26/99
Synthesizer
Tuner FM-Tuner (Board 4010) Audio 30 DIN Export BE 3301 6
Circuit diagram - Mercedes Benz MY98 CSD - Version: 26/99
FM-
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