JBL G Series User manual

Reformatted for PDF 3/99

Powered Subwoofer GSUB10
1

Powered Subwoofer GSUB10

Powered Subwoofer GSUB10

Powered Subwoofer GSUB10
4

Powered Subwoofer GSUB10
5

Powered Subwoofer GSUB10
7

Powered Subwoofer GSUB10

Powered Subwoofer GSUB10
9

Input & Control
PCB Assembly
Power Supply & Power
Amp PCB Assembly
E
E
D
D
C
C
B
B
A
A
77
66
55
44
33
22
11
PRINTED CIRCUIT BOARDS
Powered Subwoofer GSUB10
1

E
E
D
D
C
C
B
B
A
A
77
66
55
44
33
22
11
PRINTED CIRCUIT BOARD
erm n l Assembly
Powered Subwoofer GSUB10
11

Powered Subwoofer GSUB10
GSUB10 SCHEMATIC DIAGRAM
SIGNAL
PATH
SIGNAL PATH
NOTE: REDRIVE VOLTAGES ARE SHOWN
WITH NO LOAD AND NO SIGNAL
0V
0V
0V 0V
0V
0V
+15V
-15v
0V
0V
0V
0V
0V
0V
-15V
+15V
0V
0V
0V
0V
0V
-15V
0V
+15V
0V
0V
0V
+15V
-15V
-15V
+0.5V
+0.3V
0V
0V
0V
0V
+39.6V
+39V
+2.7V
+42.2V
+42.8V
+1.2V
+1.2V
+42.9V
43.0V
+0.6V
+0.6V
-0.6V
-0.6V
-0.6V
+0.005V
-0.005V
-1.2V
-1.2V
-1.2V
0V
+0.6V
+42.2V
-42.2V
-42.2V
-42.2V
-42.8V -42.9V
-42.2V
0V
-42.8V -43V
0V
0V
0V
+43V
+43V
+43V
0V 0V 0V 0V +0.7V+2V +2V +3.4V
0V
0V
0V
0V
0V
+14V
+15V
-2V
+15V
-4V
+7.5V
+15V
-15V
-13.5V
+6.5V
+6.5V
+6.5V
+0.3V
+0.3V
0V
0V
0V
+39V
0V
RED
GRN
HG
F
FGH
EDCBA
ABCDE
J
ILMKO
O
P
P
LM
IJK
1
12

SIGNAL
PATH
SIGNAL PATH
NOTE: REDRIVE VOLTAGES ARE SHOWN
WITH NO LOAD AND NO SIGNAL
0V
0V
0V 0V
0V
0V
+15V
-15v
0V
0V
0V
0V
0V
0V
-15V
+15V
0V
0V
0V
0V
0V
-15V
0V
+15V
0V
0V
0V
+15V
-15V
-15V
+0.5V
+0.3V
0V
0V
0V
0V
+39.6V
+39V
+2.7V
+42.2V
+42.8V
+1.2V
+1.2V
+42.9V
43.0V
+0.6V
+0.6V
-0.6V
-0.6V
-0.6V
+0.005V
-0.005V
-1.2V
-1.2V
-1.2V
0V
+0.6V
+42.2V
-42.2V
-42.2V
-42.2V
-42.8V -42.9V
-42.2V
0V
-42.8V -43V
0V
0V
0V
+43V
+43V
+43V
0V 0V 0V 0V +0.7V+2V +2V +3.4V
0V
0V
0V
0V
0V
+14V
+15V
-2V
+15V
-4V
+7.5V
+15V
-15V
-13.5V
+6.5V
+6.5V
+6.5V
+0.3V
+0.3V
0V
0V
0V
+39V
0V
RED
GRN
GSUB10 SCHEMATIC DIAGRAM
Powered Subwoofer GSUB10
12
H
G
F
FGH
EDCBA
ABCDE
J
ILMKO
O
P
P
LMIJK
1