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AUDIO CIRCUIT
L_IN
FRO M AV SEL E C T O R
R_ IN
GN D
SU RR 1
SU RR 2
CR1
QR1
2.2uF
DT C144E KA
+
50V
QR2
DT C144E KA
RR26
2.7K
RR32
1/16W
10K
CR15
1/16W
10uF
50V
RR24
QR3
2.7K
DT C144E KA
1/16W
RR33
N/1
RR25
CR14
12K
2200PF
1/16W
50V
RR34
N/1
RR27
CR18
C62
+
+ C63
12K
2200PF
10uF
10uF
1/16W
50V
50V
50V
R50
R51
Fo r SR S S RN D : R R 9 , RR 23
10K
10K
1/16W
Fo r 11 32 SR ND : RR 3 3 , RR 3 4
1/16W
Q12
DT C144E KA
C27
0.47uF
Q13
+ C64
16V
DT C144E KA
2.2uF
50V
C19
C20
3300PF
0.033u F
50V
16V
JA2
CP030A-EJST -
30
BIN
1
L_IN
2
R_IN
3
C32
L_OUT
4
0.47uF
L_OUT
R_OUT
5
16V
R_OUT
6
SUB_WFR
7
1
SUB_WFR
AIN
SPK_CT L
8
SPK_CT L
PWR_CT L
9
PWR_CT L
10
S URR1
S URR2
0
1
3D MO NO
1
1
3D ST E REO
C38
3300PF
50V
---
0
OF F
FR OM C PU
SDA2
SDA2
SCL2
SCL2
LINE_OUT _SEL
LINE_OUT _SEL
SB5V
MUT E
SPK_CT L
SPK_CT L
JA1
CP031C-EJST -
P17V
1
P17V
P17V
2
P17V
3
4
5
LINE_OUT _SEL
6
LINE_OUT _SEL
SDA2
7
SDA2
SCL2
8
SCL2
MUT E
9
MUT E
SURR1
10
SURR1
SURR2
11
SURR2
12
SB5V
L1
C72
12uH
0.22uF
50V
M
RR1
10K
1/16W
SU RR 1
SU RR 2
RR5
RR4
3.9K
10K
1/16W
RR3
1/16W
10K
1/16W
RR7
CR30
RR12
390
4700PF
RR8
CR2
3.9K
1/16W
CR5
50V
1.5K
0.47uF
1/16W
10uF
1/16W
16V
50V
RR14
RR15
RR13
RR16
CR4
RR17
RR18
47K
33K
2.2K
4.7K
10uF
100K
10K
1/16W
1/16W
RR20
1/16W
1/16W
50V
1/16W
1/16W
2.2K
1/16W
RR21
2.2K
RR19
1/16W
56K
CR11
RR22
1/16W
RR9
0.47uF
1K
6.8K
16V
1/16W
1/16W
29
LIN
CR12
0.22uF
ICR1
16V
NJM2178L
30
RIN
RR23
6.8K
1/16W
CR17
CR20
CR21
CR25
CR22
CR26
CR27
0.22uF
0.027u F
4700PF
470PF
0.1uF
0.015u F
2200PF
16V
16V
50V
50V
50V
50V
50V
CR23
4700PF
50V
1132 S RND ON = 1
BBE ON = 1
Q14
DT C144E KA
C10
C69
N/2200PF
0.1uF
VA R I O UT = 1
16V
R22
N/18K
C15
C21
1000PF
0.47uF
50V
16V
C22
C17
C23
C18
R24
0.1uF
4.7uF
4.7uF
4.7uF
C24
2.7K
R26
16V
50V
50V
50V
4.7uF
1/16W
C25
8.2K
50V
4.7uF
1/16W
50V
IC1
NJM1132
C33
R32
4.7uF
+
R35
+ C34
8.2K
50V
2.7K
4.7uF
1/16W
1/16W
50V
C48
+ C36
C44
+ C37
+ C41
1000PF
C35
1uF
0.1uF
4.7uF
4.7uF
C39
R37
50V
0.47uF
50V
16V
50V
50V
0.033u F
N/18K
C47
16V
16V
N/2200PF
Q15
C70
DT C144E KA
0.1uF
16V
VA R I O UT = 1
SB 5 V
PO WER MU T E
C55
Q6
DR5
1uF
R43
R41
2SA1037KQ
RLS4148
10V
1.5K
10K
Z
1/16W
C54
1/16W
330uF
+
16V
Q7
DR6
2SC2412KBQ
RLS4148
D1
R46
RLS4148
82K
1/16W
DR3
RLS4148
Q10
DR7
AUD MUT E = 0
DT C144E KA
RLS4148
DR4
RLS4148
R1
C2
120K
2.2uF
1/16W
50V
Q1
2SC2412KBQ
12V
C4
R5
2.2uF
220K
50V
R2
1/16W
R3
RR2
120K
1.5K
2.2
1/16W
1/16W
1/2W
Q2
RR11
RR10
2SC2412KBQ
100K
10K
CR6
1/16W
1/16W
1uF
R8
50V
220K
R4
1/16W
47K
1/16W
CR7
CR8
0.01uF
0.1uF
CR9
CR10
50V
R7
C5
16V
1uF
100uF
1.5K
10uF
50V
16V
1/16W
50V
R9
47K
20
1/16W
LOUT
CR13
4.7uF
50V
21
R11
ROUT
47K
CR16
1/16W
4.7uF
50V
RR28
CR19
CR28
CR24
M
10K
0.1uF
0.01uF
0.47uF
1/16W
16V
50V
R25
63V
47K
1/16W
RR31
RR29
CR99
RR30
100K
CR29
100K
0.01uF
10K
1/16W
0.1uF
1/16W
50V
1/16W
16V
R15
C9
4.7K
4.7uF
1/16W
50V
D2
R12
R56
3.9K
2.2K
1/16W
1/16W
R23
C11
4.7K
4.7uF
1/16W
50V
16
VCC
R30
+ C31
R31
10
1/16W
100uF
2.2
16V
1/2W
15
GND
12V
U2
R33
R34
+ C16
LM2940CT 12
100
100
0.22uF
3
VOUT
1/16W
1/16W
50V
C45
0.1uF
+ C42
25V
100uF
Z
16V
C40
+
0.22uF
50V
C51
C53
R39
R40
0.22uF
100uF
2.7K
2.7K
50V
35V
1/16W
1/16W
R45 / R47
M
S6 use 6.8K
V6 use 1.8K
AR
R45
C58
6.8K
3900PF
C56
1/16W
50V
0.22uF
Q8
50V
DT C144E KA
M
AL
Q9
DT C144E KA
R47
C61
6.8K
R45 / R47
3900PF
1/16W
S6 use 6.8K
50V
V6 use 1.8K
Q11
DT C144E KA
32
C1
+
22uF
16V
C3
10uF
C65
ICA1
50V
+
10uF
T C4W53FU
ICA3
50V
HE F405 2BT
1
8
CO M
VDD
12
10
X0
A
R52
2
7
INH
CH0
47K
14
9
1/16W
X1
B
3
6
VE E
CH1
15
13
X2
X-CO M
4
5
VSS
ADR
11
3
X3
Y-CO M
+
C66
ICA2
1
10uF
T C4W53FU
Y0
50V
1
8
CO M
VDD
5
16
Y1
VDD
R53
47K
2
7
INH
CH0
2
1/16W
Y2
3
6
VE E
CH1
4
8
Y3
VSS
R55
0
4
5
VSS
ADR
6
7
1/16W
INH
VEE
R54
N/0
1/16W
0 = V AR I O/P ; 1 = F IX O /P
A_ L
C7
10uF
50V
U1
C12
NJM4558M
10uF
R59
50V
10K
1/16W
C6
R13
1
8
220PF
10K
50V
1/16W
2
7
C13
R21
220PF
10K
50V
3
6
1/16W
4
5
+ C8
+ C14
22uF
22uF
16V
16V
R20
3.9K
1/16W
R16
R19
10K
10K
1/16W
1/16W
1/2 VC C
R27
C28
R28
2.2K
+
470uF
C29
R29
12V_0
2.2K
+ C30
1/16W
16V
0.1uF
2.2
1/16W
100uF
25V
1/2W
16V
Z
R36
N/0
P17V use
R49
1/16W
P24V no use
1
1
1/2W
VIN
C46
R57
0.1uF
+ C43
82
25V
220uF
3W
Z
35V
R38
P24V use
0.22
P17V no use
1W
IC2
C50
T DA2616
0.1uF
25V
C71
+
+ C49
Z
1000uF
1000uF
35V
35V
F1
1000P /100V
1
+
4
1
CH 1
3
-
R42
C52
8.2
470uF
25V
1/2W
8
-
6
F2
CH 2
9
1000P /100V
+
R44
8.2
1
1/2W
C59
C57
470uF
C60
0.022u F
16V
0.022u F
50V
50V
R48
27K
1/16W
12V
12V_0
Lch
Rc h
Rch
GN D
GND
MUT E_1
MUT E_1
1/2VCC
1/2VCC
5V
R_OUT
R_OUT
R_ O / P
C67
10uF
R6
50V
47K
1/16W
LI NE O / P
R10
47K
C68
1/16W
10uF
50V
L_ O / P
L_OUT
L_OUT
0 = MUT E
Q16
DT C144E KA
R18
10K
1/16W
Q5
DT C144E KA
Q3
R17
DT C144E KA
10K
1/16W
1 = VA R I O /P ; 0 = F IX O /P
PWR_CT L
P17V
(P24V)
BT 1
CP0312-EJST -
3
1
2
R
BT 2
CP0312-EJST -
3
1
2
L
First issue 06 / 03
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