![background image](http://html1.mh-extra.com/html/jbl/jsr-400/jsr-400_service-manual_3573759063.webp)
8
5
7
4
6
3
2
1
I
J
K
L
M
O
N
P
Q
R
47/16
C46
47/16
C46
C45
47/16
C45
47/16
R59
47
R59 47
R58
47
R58
47
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
5
5
5
10
9
14
4
4
4
8
8
13
3
3
3
3
7
7
12
2
2
2
2
6
6
11
1
1
1
1
1
5
4
3
3
2
2
1
1
TO WA11
VOLUME PART
WA3
R83
330
C82
100P
CN10
VIDEO L
L
CN4
VO UP
VO DO
15V
G
-15V
REAR
5V
CENTER
G
R
G
L
G
1
1
1
1
3
3
3
3
2
2
2
2
VR1D
50KA
VR1C
50KA
VR1B
50KA
C5
4.7/50
C6
4.7/50
C7
4.7/50
R7
47K
R6
47K
R8
47K
VR1
50KA
R9
100K
C8
4.7/50
C10
100P
R10
8.2K
C12
47/16
IC1
NJM4558DD
1
2
3
4
8
7
6
5
R17
47K
R18
470
C15
4.7/50
15V
R57
47
R54
47
R56
47
R19
470
R55
47
R12
1K
C11
47/16
C14
4.7/50
C43
47/16
C44 47/16
-15V
R13
1K
R16
47K
R11
8.2K
C9
100P
8
7
6
5
1
2
3
4
IC2
NJM4558DD
R14
100K
R15
100K
C13
4.7/50
C16
4.7/50
C2
100/10V
R4
5.6K
R2
4.7
15V
VR1
1
2
3
4
5
6
7
8
9
R3
10K
R51
100
IC3
TA72915
MOTOR
C1
100/10V
IN1 0V VCC 18.8V OUT1 11
V
NC 0V GND 0V VS 14.8V OUT2 11
V
VREF 5.4V IN2
0
V
C3
47/16
C4
47/16
BALANCE
TONE PART
1
2
3
4
8
7
6
5
IC8
JRC4558DD
TREBLE
C61
332M
R73
2.2K
15V
3
1
2
C49
68P
C64
183M
R79
820
VR3A
100K*2
R72
1K
BASS
R65
3.9K
R66
100K
R63
22K
C48
823M
1
3
2
C52
153M
100*2
VR2A
C54
22/16
R71
100K
R67
100K
C60
100P
C59
4.7/50
R
INPUT
C56
4.7/50
L
OUT
C62
4.7/50
R OUT
R74
1K
4
5
6
3
2
1
VR4B
100KMN*2
VR4A
100KMN*2
CN6
WA6
-15V
15V
L G R
L G R
-15V 15V
WA7
CN7
L
G
R
L
G
R
CN3
REAR
G
CENTER
G
R
G
L
NC
JSR-400 PAGE 44 - 2 of 4
Summary of Contents for JSR-400
Page 37: ...JSR400 MAIN PCB H G F F G H E D C B A A B C D E I I 1 JSR 400 PAGE 31 1 of 2...
Page 38: ...H G G H J I L M K O O P P L M I J K JSR 400 PAGE 31 2 of 2...
Page 39: ...JSR400 Con H G F F G H E D C B A A B C D E JSR 400 PAGE 32 1 of 2...
Page 40: ...JSR400 Control PCB IC1 H G G H L M K J I L M I J K JSR 400 PAGE 32 2 of 2...
Page 43: ...JSR400 SUB PCBs H G F F G H E D C B A A B C D E I I JSR 400 PAGE 34 1 of 2...
Page 44: ...H G F F G H E E L M K J I L M I J K JSR 400 PAGE 34 2 of 2...