Page 1
7654321
8
D
C
B
A
MIC
INPUT
LINE
INPUT
PARALLEL
CN1
CN2
PH1
PH2
CA16
47UF
CA17
47UF
CA19
10UF
CA13
10UF
R35
18K
R32
3.3K
C28
473
BASS
VR4
100KB
R34
10K
C22
222
VR3
100KB
TREBLE
LD2
BLUE
RA1
1K
C26
473
R33
18K
R27
3.3K
LD1
RED
2
3
C1047PF
U3A
4558DD
RA2
1K
CA3
10UF
+
1
VR5
10KA
LOWCUT
SW1
MASTER
R13
100K
D
VDD
U3B
84
4558DD
5
6
R36
100K
VSS
CA2
10UF
7
+
C
CA11
8 4
7
U2B
4558DD
10UF
+
CA10
10UF
R1110K
C8
VSS
100PF
6
+
5
VCC
R3
1K
+
R2
1K
+
R9
22K
+
R12
22K
+
R8
22K
C1
D2
100PF
4148D14148
R1
1K
C5
D4
47PF
4148D34148
3
2
C2 100PF
3
2
U1A
4558DD
R41K
U2A
4558DD
C9 47PF
1
R7
1.2K
1
U1B
4558DD
C4
22PF
+
VR2
10KA
5
6
CA12
10UF
VCC
84
VSS
R6 100K
C3
473
R5
1.2K
LINE
R21
10K
CA14
10UF
MIC
+
7
VR1
10KA
R15
10K
R10 22K
R17 2.2K R19 2.2K
R37
47K
R28
15K
C12 103
C15 103
R20
4.7K
C16 104 C19 104
R26
18K
C20 103
R31 15K
C24
472
R22 9.1K
3
2
3
2
3
2
U6A
4558DD
U4A
4558DD
U5A
4558DD
1
1
1
R29
15K
C13
103
C17
104
C14 103
C18 104
R30 15K
C21
472
R18
4.7K
R23
18K
C23 103
U4B
4558DD
5
6
R25 9.1K
U5B
4558DD
5
6
U6B
4558DD
5
6
VCC
VSS
VCC
VSS
VCC
VSS
84
84
84
CA9
10UF
+
7
R14
100K
CA7
10UF
+
7
R24
100K
H1
TO POWER
1
2
AMP INPUT
3
CA8
10UF
+
7
R16
100K
3P CONNECTOR
VCC
VSS
104
C6
104
C11
C7
104
C25
104
C27
104
CA5
1000UF
CA6
1000UF
RA4
150
ZD2
15V
ZD1
15V
RA3
150
CA1
1000UF
CA4
1000UF
TO TRANSFORMER
BD1
W06M
3P CONNECTOR
H2
1
2
3
B
A
AMERICAN AUDIO
FILE: Drawn By:
1 2 3 4 5 6 78
DATE:
91.03.28
H.W.DSPK.PREAMP
Page 2
7654321
8
R49
22K
H6
1
2
3
D
C
RA37 4.7
V-1
RA28 4.7
R45 22K
150K
R73
22K
R45
22K
V+1
1216
116
R57
10K
R58
R63
22K
R62 22K
B
51
R70
10K
R74
150K
A
1 2 3 4 5 6 78
C32
47PF
9
10
U8B
LM13600
C38 104
C45
332
C37
47PF
8
7
U8A
LM13600
5
6
CA33
100UF
R88 2K
5
6
R69
39K
CA31
100UF
U7 B
4558DD
C35 47PF
R50 22K
14
15
13
R91
150K
RA22
12K
C36 47PF
R72 22K
V+1
3
2
4
V-1
R60
39K
R53
100
R52 820
U9B
4558DD
R67
100
R76
820
7
C33 27PF
R55
2.2K
R54
100
R94
R92 4.7K
7
C39 27PF
2.2K
R68
100
C44
332
R42
C30
464K
27PF
R60
84
3
2
U7A
4558DD
R43
820
Q1
RA34
22K
3906
4.7K
ZD5 3.9V
2
R87
150K
464K
R65
R80
820
3
ZD4 10V
R83
C40
27PF
ZD6
10V
84
3
2
U9A
4558DD
R81820
RA25
Q5
47K
3906
75
100UF
1
D8 4148
D6 4148
R40 820
R38
100
D?
R95 470K
U11 LM311
R82
75
100UF
1
D21 4148
D18
4148
R84
100
C29
152
CA36
DIODE
C41
152
CA28
4148
D9 4148
D5 4148
LD7
RED
CA33
100UF
4148
D20 4148
D19 4148
LD6
RED
CA29
100UF
D12
RA39
1K
R56 10K
ZD11
15V
DA5
4936
DA6
4936
TV2
500
R4110K Z1 5.6V
RA39
1K
ZD10
15V
R101
5.9K
D23 4148
81
7
6
R96 3K
54
RA24
D15
1K
R79 10K
ZD7
15V
DA4
4936
DA3
4936
TV1
500
R78
10KZ35.6V
RA27
1K
ZD8
15V
Q6
3904
Z4 5.6V
RA32
220
5.6V
Z2
D7
C31
4148
222
R47
680
R48
1.8K
C34
D11
223
4148
RA36
220
C49 47PF
CA27
10UF
Q9
3906
RA19
220
QA5
C4739
C43
222
C42
QA5
223
A1837
RA16
220
R102
12K
RA20
3.3
RA21
3.3
RA26
0.22
QA8
A1186
QA7
C2837
RA23
0.22
QA11
C3421
RA29
RA30
3.3
QA10
A1358
3.3
R104 47
D24
4148
CA25
100UF
RA14 3K
RA17
0.22
A1186
C2837
RA12
0.22
RA33
0.22
QA13
A1186
CA39 10000UF
10000UF
QA12
C2837
CA38
RA31
0.22
QA2
IRFZ44
DA2 U15A20
RA9
RA13
3.3K
QA4
RA46
2.2k
QA3
RA15
3.3K
RA10
1.5
1.5
CA21
10000UF
CA23
LD5
RED
CA19
10000UF
CA20
10000UF
LD4
RED
CA24
104
104
FOR HI FREQUENCY
SPEAKER
RA40 5.6
CA35
L1
563
RA35
5.6
RA5 5.6
L2
RA8
5.6
BD4
RS806
R59 220K
FOR LOW FREQUENCY
SPEAKER
CA26
RA7
563
1K
D25
4148
LD3
SIGNAL
BD2
RS806
R64 560K
R66
1.5M
R77
15K
R75
220K
Q2
3904
3904
SWITCH
SWITCH
QA9
C3421
D10
4148
R51
220K
Q4
3906
90
90
Q3
O
O
RS806
TO PREAMP
H2 CONNECTOR
R39
10K
CA32
224
D13
4148
CA30
22UF
ZD9
3.9V
D1
4148
R71
470K
R61
6.8K
BD3
46V
23V
0V
23V
46V
24V
0V
24V
15V
0V
15V
TOROIDAL
TRANSFORMER
POWER
SWITCH
5A\250V
AC
INPUT
D
C
B
DA1 U15A20
D16 4148
R100 150K
R86
RA18
2K
12K
R93
4.7K
R97
150K
R98 4.7K
R85 47K
2
3
C46 47PF
R89 470K
U10 LM311
R99
5.9K
D22 4148
81
R90 2.2K
7
6
54
C48
104
3906
C47 47PF
CA22
100UF
RA11
3K
A
CA18 10000UF
ZD3
12V
AMERICAN AUDIO
FILE:
SPK.POWER
DATE:
Drawn By:
91.04.18
H.W.D
Q8
3904
R103 47
QA1
Q7
IRFZ44
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