Controls And Connections (Lbb1930, Lbb1935 - Rear); Controls And Connections (Lbb1938 - Rear) - Bosch LBB 1930 Installation And Operating Manual

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1.2 Controls and connections (LBB1930, LBB1935 - rear)

Figure 1.5
1 Level control
2 100 V / 0 V slave input terminal
3 Line input (XLR/balanced)
4 Line input (phone jack/balanced)
5 Line loopthrough (XLR/balanced)
6 Line loopthrough (phone jack/balanced)
7 Loudspeaker output terminals and 24 Vdc power
supply terminals

1.3 Controls and connections (LBB1938 - rear)

15 14
Input 1 Input 2
Priority Enable
2..24V GND 2..24V GND
Default Off Default On
Input 1-Priority
Input
1 2
Figure 1.6
1 Priority line - input 1 (XLR/balanced)
2 Level control - input 1
3 Line loopthrough 1 (XLR/balanced)
4 Program line - input 2 (XLR/balanced)
5 Level control - input 2
6 Line loopthrough 2 (XLR/balanced)
7 Priority controlled loudspeaker output terminals
8 Earth connection screw
Bosch Security Systems | 2003-09 | 3922 988 92983en
100V 0V
100V
1 2
13
Inpu t 1 Priority
Slave Input
Loopthrough 1
100V
Input 2 Program
Loopthrough 2
Input 1 Priority
+
2..24V -Inpu t 1 -
0V -Inpu t 2
+
Inpu t 2 Enable
2..24V-Enable -
0V-Mute
Slave Input 100V 100V
100V 0
0
Input 2-Program
Input
3 4 5 6
About the equipment
+ GND GND +
1 2 1 2
- -
100V 70V
3 3
line in line out
3 4 5 6
8 Earth connection screw
9 Mains fuse
LBB1930
LBB1935
10 Mains connector (3-pole)
11 Mains voltage switch 230/240 V
100V
0
70V
0
8ohm
100V/70V
Priority Only
0
No Priority
0
Priority
9 24 Vdc power supply terminals
10 Mains fuse (T10A)
11 Mains connector (3-pole)
12 Loudspeaker direct output terminals
13 100 V slave input terminals
14 Input 2 enable control terminals
15 Input 1 priority control terminals
LBB1930
LBB1935
230V- 240V-
24V DC IN
0 0 8 - +
Line fuse
250V T1A
Apparatus delivered
connected for 230V-
Warning
This apparatus must be earthed
7
T2.5A
T4A
12
LBB1938
Direct O utput
100V 0 70V 0 8
Priority ControlledO utput
Priority Only No Priority
100V 0 100V 0
7
en | 9
11
10
9
8
11
10
9
8