JBL Media Sub Technical Manual page 13

POWERED SUBWOOFER
A B C
1
2
3
4
5
6
7
8
9
A B C
Media Sub Schematic Diagram
D E F G
0.0V
5.6V
5.6V 0.0V 5.6V
5.6V 5.6V 5.61V
5.6V 5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
6.3V 7.25V
12.1V
4.8V
5.9V
1.36V
6.10V
+11.0V
1.3V
0V
2.47V 0.47V
2.48V 7.14V
D E F G
H I J
5.6V
5.6V
5.6V
0.0V
0.0V
0.0V
0.0V
5.6V
5.6V
H I J
K L M N
+22.2V
+22.4V
IC103
STK4024 II
0.0V
0.0V
-22.4V
-22.6V
-1.3V
-1.34V
-13.5V
-22.4V
AC
17.7V
+22.3V
AC
17.7V
K L M N
Media Sub
0 P
1
Test voltages are printed in orange.
Operational Mode voltages are
displayed in boxes. Other voltages
shown are for Stand-by Mode due
to the Auto On/Off function.
2
3
+21.9V
+0.5V
4
5
6
7
8
9
0
P
12