Schematics……………………….……………………24, Balboa series sub10, Not present – JBL Balboa SUB10 User Manual
Page 25: Apvd dsgn draw
1
2
3
4
5
6
A
B
C
D
6
5
4
3
2
1
D
C
B
A
2
1
R214
1K
C208
220P
2
1
R266
100K
C207
220P
2
1
R229
5.1k
C4
0.047uF/MSC
2
1
R258
4.7K
2
1
R5
64.9
C230
220P
C1
JUP
2
1
R232
10k
R231
100K
R247
OPT
R264
1.2K
R260
4.7K
R252
470K
R259
1M
R255
22K
R230
5.1K
C211
220P
C254
0.1uF/C
C252
0.1uF/C
C242
0.1uF/C
C244
0.1uF/C
C229
22P
C5
0.1uF/MSC
R234
2.87K
R262
18K
R254
1K
R216
10K
R217
10K
R211 5.1K
R251
220K
R2 240
C216
0.27uF/MSC
R1
150K
6
5
7
U203B
4558D
R4
1.47K
3
2
1
U201A
TL074
3
2
1
Q206
C1815
R235
10K
R3 8.25K
R213
1K
R223
6.8K
R248
OPT
R233
36K
1
2
3
4
5
6
7
M201
P2.5-7
C232
0.1uF
C212
220P
1
2
C206
10uF
1
2
C233
100uF
2
1
R222
10k
C249
220P
2
1
R249
33k
C214
220P
R250
22K
C210
220P
R219
47K
R221 10K
5
6
7
U201B
TL074
R215
1K
10
9
8
U202C
TL074
LED1
SGO
PTC
+15V
GND
-15V
MUTE
-15V
+15V
1
2
P1
2
1
D213
5.1V
R7
10K
R257
2M
1
2
3
VR202A
B20K
4
5
6
VR202B
B20K
C218
0.15uF/MSC
C217
0.056uF/MSC
R227
18K
R226
18K
2
3
1
U203A
4558
C221
.47uF/MSC
C222
.47uF/MSC
C245
0.1uF/C
C246
0.1uF/C
8
4
-15v
+15v
4558
+15v
2
1
D212
4148
2
1
D201
4148 2
1
D202
4148
+15v
2
1
D206
4148
2
1
D211
4148
2
1
D207
4148
2
1
D117
4148
C219
10uF
C213
10uF
C241
10uF
C228
1uF
C231
10uF
C243
10uF
C234
100uF
C225
22uF
2
1
D118
4148
2
1
D214
4148
3
2
1
Q207
C1815
3
2
1
Q201
OPT
2
1
D216
JUP
2
1
D215
JUP
3
2
1
U202A
TL074
5
6
7
U202B
TL074
10
9
8
U201C
TL074
12
13
14
U201D
TL074
4
11
TL074
4
11
TL074
C220
220P
C223
0.01uF/MSC
1
3
2
VR201
A50K
R237
15.4K
R238
22K
R6
5.36K
C2
JUP
C3
JUP
12
13
14
U202D
TL074
C224
0.15uF/MSC
2
1
3
SW301A
5
4
6
SW301B
2
1
R220
10k
C215
0.1uF/MSC
-15V
-15V
+15V
-15V
+15V
C251
10uF
C253
10uF
1
2
G2
JK202A
3
G3
JK202B
FM phase sw
FM phase sw
R253
1k
R212
10k
FILENAME:
PRE-AMP
MODEL NO.
BALBOA SUB10 BK
CUSTOMER:
JBL
REVISION:
A/1
PAGE:
1 / 3
APVD
DSGN
DRAW
R224
6.8K
R225
10K
R228
10K
R240
10K
DATE: 2006-09-20
U201
U202
U203
BALBOA series SUB10
Not Present
24