REDBACK
A 4115 15W Stereo Amplifier
Page 4
F1
4A
C55
470n
C7
470n
R20
10
R26
10
R25
10
R13
10
R36
4K7
+12
C19
100n
C15
3300/25V
C16
3300/25V
1 2
P3
12V DC IN
B1
C23
100
R37
4k7
6VDC
R7
680
R8
680
R11
10k
R21
10k
NINV
1
AGN
D
2
R/R
3
OUT1
4
GN
D
5
OUT2
6
VC
C
7
M/SS
8
INV
9
U2
TDA1519C
C17
220nf
+12
C30
100
+12
1 2
P5
24V AC IN
1 2
P4
SPEAKER OUT 4-16OHM
R10
220R
C21
1000
VCC
C1
1n
C2
1n
ZD1
6v8
LED1
POW
ER
C18
100n
D1
6A DIODE
1A
F2
1A
F3
R46
6K8
R3
6K8
VCC
R9
680R
1
1
2
2
3
3
J1
PHANTOM
P
O
W
ER
OF
F
ON
JUMPER
S2
PHONEJACK2
R56
220R 1W
1 2 3
P1
AXRFEM
L
R E
S1
RCASTEREO
R6
220R
R5
220R
R38
4K7
15V
ZD2
R14
100K
C25
22UF 25V
C54
470n
C6
470n
R19
10
R17
10
R16
10
R27
10
NINV
1
AGN
D
2
R/R
3
OUT1
4
GN
D
5
OUT2
6
VC
C
7
M/SS
8
INV
9
U1
TDA1519C
+12
C49
100
+12
1 2
P4
SPEAKER OUT 4-16OHM
1A
F2
1A
F3
P6
PHONEJACK STEREO SW
R55
220R 1W
C53
220nf
R15
100K
C51
22UF 25V
C72
470n
C65
10
C67
220n
C64
220n
C70
220n
C62
220n
R53
47k
R52
47k
VR3
100k LIN
VR1
100k LIN
C69
10
C60
10
C57
47
C71
10n
C68
390n
C59
10n
C61
390n
BAL
9
BY
1
5
CB1
6
LC
7
OPT1
8
TREB
4
1
CT2
18
ZV
17
BY
2
16
CB2
15
BASS
14
OPT2
13
VC
12
VC
C
11
GN
D
10
CT1
3
I1
2
I2
19
GN
D
20
U7
LM
1036
C58
470n
R51
10K
R50
10K
VCC
C66
1UF
C63
1UF
R49
10R
BA
SS
TREBLE
R1
10K
R2
10K
C50
47/35V
C73
47/35V
R48
47k
VR2
100k LIN
R90
47k
VR5
100k LIN
A
UX. Volume
R79
10K
R80
10K
R82
100K
R81
100K
J?
3.5M
M
JACK STEREO
(FRONT PA
NEL)
C22
100uf
C4
10UF BP
C3
10UF BP
2
3
1
8
4
U4A
LM
833
R12
10K
R13
10k
C27
100PF
VCC
C8
10
6VDC
R102
10K
R32
10k
C76
100PF
C12
10
6VDC
C56
470n
C39
10
C41
220n
C38
220n
C44
220n
C36
220n
R45
47k
R39
47k
C42
10
C34
10
C31
47
C45
10n
C42
390n
C33
10n
C35
390n
BAL
9
BY
1
5
CB1
6
LC
7
OPT1
8
TREB
4
1
CT2
18
ZV
17
BY
2
16
CB2
15
BASS
14
OPT2
13
VC
12
VC
C
11
GN
D
10
CT1
3
I1
2
I2
19
GN
D
20
U6
LM
1036
C32
470n
R43
10K
R42
10K
VCC
C40
1UF
C37
1UF
R41
10R
R40
47k
R90
47k
R78
100R
RG1
1
-IN
2
+IN
3
V-
4
GND
5
OUT
6
V+
7
RG2
8
U3
SSM
2017
R18
56R
VCC
C74
0.1
C19
220pF
R30
10K
R29
10K
6VDC
2
3
1
8
4
U5A
LM
833
R22
10K
R54
10k
C5
100PF
VCC
C80
10
6VDC
R23
10K
R24
10k
C77
100PF
C79
10
6VDC
BA
LA
N
CE
C26
1UF BP
C11
1UF BP
C98
1UF BP
C10
1UF BP
C24
100NF
C78
CAP
C88
CAP
6
5
7
U4B
LM
833
6
5
7
U5B
LM
833
VR5 100k L
in
GND
MIC VOLUME
R44
220R
R47
220R
R51
220R
R101
10K
R100
10K
