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JBL G Series Service Manual page 13

Single 10" floorstanding powered subwoofer system loudspeaker
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A
B
C
1
SIGNAL
PATH
0V
0V
0V
+39.6V
+42.2V
+39V
+2.7V
+0.6V
0V
0V
-0.6V
+42.2V
-1.2V
-42.2V
-42.2V
-1.2V
-42.2V
-42.2V
-42.8V
NOTE: REDRIVE VOLTAGES ARE SHOWN
WITH NO LOAD AND NO SIGNAL
A
B
C
D
E
F
G
0V
0V
0V
0V
0V
0V
+15V
0V
0V
-15V
+15V
0V
-15V
+0.5V
+0.3V
0V
+43V
43.0V
+42.9V
+0.6V
+43V
+1.2V
+0.005V
0V
+0.6V
0V
+1.2V
-0.6V
-0.005V
-1.2V
-0.6V
-42.8V
-42.9V
-43V
D
E
F
G
H
I
J
+15V
0V
0V
-15v
0V
SIGNAL PATH
0V
0V
+43V
0V
0V
0V
0V
+2V
0V +0.7V
+2V
+3.4V
H
I
J
K
L
M
0V
0V
0V
+15V
+14V
0V
0V
0V
0V
0V
K
L
M
O
P
+15V
0V
0V
0V
-15V
0V
+15V
-4V
+15V
-2V
-13.5V
+7.5V
-15V
+6.5V
+0.3V
+6.5V
+0.3V
RED
+6.5V
0V
+39V
0V
GRN
0V
0V
O
P

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