Schematic Diagram
5
4
3
2
1
6
D
C
A
B
D
C
A
B
5
4
3
2
1
6
ASP section
+26V
-26V
VOLCLK
R
T
A
D
D
A
C
_F
L+
DA
C_
F
R+
DA
C_
F
R-
D
AC
_
SW
+
D
AC
_
SW
-
DA
C_
CT
+
DA
C_
CT
-
DA
C_
S
R+
DA
C_
S
R-
D
AC
_
SBL
+
D
AC
_
SBL
-
D
AC
_
SBR
+
D
AC
_
SBR
-
GND_RIP
-26.8V
+26.8V
CT
_
O
UT
CT_OUT
F
L_O
U
T
FL_OUT
S
L_O
U
T
SL_OUT
S
R_
O
UT
SR_OUT
SBL
_
O
U
T
SBL_OUT
SBR
_
O
U
T
SBR_OUT
S
W
_
OU
T
S
W
_
OU
T
VOLLAT
MIX_L
IN_SBR
IN_SBL
IN_SR
IN_SL
IN_FR
IN_FL
IN_C
SPRLCS
SPRLF
SEC1H
SPRLSB
HPDET
GNDDG
MIX_R
IPROTECT
VPROTECT
VOLH
DAC_SL
DAC_SR
DAC_SBL
S1L-
S1L+
D
AC
_
SL
+
D
A
C
_F
L-
D
AC
_
SL
-
DA
C_
F
R+
DA
C_
F
R-
D
AC
_
SW
+
D
AC
_
SBR
+
D
AC
_
SW
-
D
AC
_
SBR
-
DA
C_
CT
+
D
AC
_
SBL
+
DA
C_
CT
-
D
AC
_
SBL
-
D
AC
_
SL
+
DA
C_
S
R+
D
AC
_
SL
-
DA
C_
S
R-
D
A
C
_F
L+
D
A
C
_F
L-
VOLDATA
DAC_C
-6.8V
-6.8V
DAC_L
DAC_R
+6.8V
IPRO_MUT
-15V
-15V
+15V
+15V
DAC_SW
FR_OUT
F
R_
O
UT
SPRLZB
DAC_SBR
GND_A
*Q4105
RTAN430C
*Q4106
RTAN430C
Q4117
RTAN430C
Q4104
RTAN430C
Q4101
RTAN430C
Q4100
RTAN430C
Q4107
RTAN430C
Q4103
RTAN430C
Q4102
RTAN430C
Q6456
KRA102S
D4301
RL1N4003
D4302
RL1N4003
D4303
RL1N4003
D4300
RL1N4003
*D
4219
D
A
2J
10100
D
4305
D
A
2J
10100
D6459
DA2J10100
D
4304
D
A
2J
10100
*D
4209
D
A
2J
10100
D
4173
D
Z
2J
068M
0L
D
4174
D
Z
2J
068M
0L
*Q
1705
N
J
M
4580C
G
OU
T
7
-
6
+
5
+V
8
Q
1700
N
J
M
4580C
G
OU
T
7
-
6
+
5
+V
8
Q
1702
N
J
M
4580C
G
OU
T
7
-
6
+
5
+V
8
Q
1703
N
J
M
4580C
G
OU
T
7
-
6
+
5
+V
8
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
221J
C
4003
221J
C
4013
101J
C
4091
221J
C
4014
221J
*C1706
221J
*C1716
221J
*C1715
221J
*C1705
221J
C1704
221J
C1714
221J
C1713
221J
C
4020
221J
C1703
221J
C
4019
221J
C1702
103K
C4132
221J
C1712
102J
C4005
221J
C1717
102J
C4006
221J
C1707
102J
C4007
221J
C1701
102J
C4008
221J
C1711
221J
C1710
221J
C1700
C
4095
NM
102J
C1720
102J
C1721
102J
C1727
102J
C1722
102J
C1723
104K
C4150
50V
102J
C1724
104K
C4151
50V
102J
*C1725
104K
C4157
50V
102J
*C1726
101J
C
4090
104K
C4152
50V
104K
C4153
50V
104K
C4154
50V
104K
*C4155
50V
104K
*C4156
50V
104K
C4166
50V
221J
C
4131
102K
C
4401
102K
C
4400
221J
C
4010
221J
C
4009
221J
C
4015
102J
*C
4219
221J
*C
4027
221J
C
4016
C
4093
NM
C
4094
NM
221J
C
4017
221J
C
4018
104K
C4167
50V
104K
C
4169
50V
104K
C
4168
50V
221J
C
4004
C
4212
104J
50V
C
4170
104J
50V
C
4171
104J
50V
C
4303
334J
50V
C
4300
334J
50V
*C
4075
47u
50V
*C
4076
47u
50V
C
4063
47u
25V
C4062
47u
25V
C4064
10u 50V
*C4105 47u
50V
*C4106 47u
50V
C
4073
47u
50V
C
4074
47u
50V
C
4172
10u
50V
C
4060
47u
25V
C
4061
47u
25V
C4102 47u
50V
C
4173
10u
50V
C4107
10u 50V
C
4051
100u
10V
C4052
100u 10V
C4053
100u 10V
C
4174
220u
10V
C4130
47u
50V
C4054
100u 10V
C
4070
47u
50V
*C4055
100u 10V
C4057
100u 10V
*C4056
100u 10V
C4103 47u
50V
C4101 47u
50V
C4104 47u
50V
C
4209
47u
25V
C
4301
470u
35V
C
4302
470u
35V
C
4050
100u
10V
C
4210
47u
25V
C
4077
47u
50V
C4100 47u
50V
C
4072
47u
50V
C
4071
47u
50V
C
4175
220u
10V
R4150
R4151
R4152
R4153
R4154
*R4155
*R4156
R
6466
NM
R
4093
3.
3k
R
1714
15k
R
4094
10k
R
1734
470
R4187
0.22
1W
*R
4295
220k
R4211
1k
*R
4296
220k
*R
1756
10k
*R
1726
470
*R
1725
470
*R
1715
15k
*R1745
10k
*R
1775
680
*R1746
10k
*R
1735
470
*R
1776
680
*R
1765
680
*R
1766
680
*R
1705
15k
*R
1706
15k
*R
1755
10k
*R
1716
15k
*R
1736
470
R
4291
NM
R
4290
NM
R
4107
22k
R4089
2.2k
R
4098
12k
R
4099
22k
R
4097
3.
3k
R4013
330
R4161
0.1
1/2W
R
4402
220k
R4088
2.2k
R4112
2.2k
*R4115
2.2k
R
4054
100k
*R
4105
220k
R
4055
100k
R
4133
1.
2k
R
4294
220k
R4087
2.2k
R
4053
100k
R4185
0.22
1W
*R4116
2.2k
R
4100
220k
R4127
100
*R
4106
220k
R4014
330
R
4400
1k
R
1751
10k
R
4101
220k
R
4401
1k
R
1721
470
R4015
330
R
4082
100k
R
1720
470
R
4059
100k
R
4057
100k
R
1710
15k
R
4060
100k
R
4049
100k
R1740
10k
R
4079
47k
R
4056
100k
R
1770
680
R
4131
47k
R4130
220
R1741
10k
R4019
330
R
4043
100k
R
1730
470
R4020
330
R
4044
100k
R
1771
680
R
4078
47k
R4016
330
R
1760
680
R4003
330
R4160
0.1
1/2W
R
1761
680
R
4058
100k
R4134
10k
R
1700
15k
R4117
270
R4018
330
R
1701
15k
R
4403
220k
R
1750
10k
*R4027
100
R
1711
15k
R4113
2.2k
R
1731
470
R4111
2.2k
R4110
2.2k
R4017
330
R
1752
10k
R
4132
15k
R
1722
470
R4010
330
R
1727
470
R4009
330
R
1717
15k
R4114
2.2k
R1747
10k
R
4292
220k
R
1777
680
R4004
330
R1742
10k
R
4050
100k
R
1737
470
R
4104
220k
R
1772
680
R
4102
220k
R
1767
680
R
4103
220k
R
1762
680
R
4293
220k
R
1707
15k
R4181
220k
R
1702
15k
R
1757
10k
R
1712
15k
R
1732
470
R
1754
10k
R
1724
470
R
1723
470
R
1713
15k
R1743
10k
R4189
220k
R
1773
680
R1744
10k
R
4091
22k
R
1733
470
R
4096
330
R
1774
680
R
1763
680
R
4095
10k
R
1764
680
R4190
220k
R
1703
15k
R
4092
330
R
4297
NM
R
1704
15k
R
4090
12k
R
1753
10k
R4176
1W
68
R4177
1W
68
R4174
1W
68
R4175
1W
68
Q4170A
ME151025402170
1
2
Q4171A
ME151025402170
1
2
*J
4100
NM
+24V,GND_A,GND_RIP
AMPSIG_IN
P
R
OTE
C
T,V
OL
H
S1L+,S1L-
Q4001
NJW1298FU1
GND1
1
L4IN
9
R3IN
8
R6IN
14
L6IN
13
R5IN
12
R4IN
10
R1IN
4
GND3
3
L3IN
7
R2IN
6
L1IN
2
L2IN
5
L5IN
11
L7IN
15
R7IN
16
GND17
17
L8IN
18
R8IN
19
GND20
20
L9IN
21
R9IN
22
L10IN
23
R10IN
24
L11IN
25
R11IN
26
L12IN
27
R12IN
28
L13IN
29
R13IN
30
R
EC
_
A1
L
31
R
EC
_
A1
R
32
R
EC
_
A2
L
33
R
EC
_
A2
R
34
R
EC
_
B1
L
35
R
EC
_
B1
R
36
RE
C_
C1
L
37
RE
C_
C1
R
38
F
L
+
39
F
L
-
40
G
ND4
1
41
G
ND4
2
42
G
ND4
3
43
F
R
+
44
F
R
-
45
G
ND4
6
46
D
C
L_I
N
47
DCL
_
O
UT
48
G
ND4
9
49
DCR_
IN
50
DCR_OUT51
VDDOUT52
DCCAP_LB53
DCCAP_RB54
RBC_IN 55
LBC_IN 56
DCCAP_LS57
DCCAP_RS58
RSCIN 59
LSCIN 60
SWBIN 61
RBBIN 62
63
LBBIN
RSBIN 64
GND65 65
GND66 66
LSBIN 67
CBIN 68
RBIN 69
LBIN 70
SWAIN 71
DCCAP_SW72
DCCAP_C73
RBAIN 74
LBAIN 75
76
RSAIN
LSAIN 77
CAIN 78
RAIN 79
LAIN 80
DCCA
P
_
R
81
DCCA
P
_
L
82
M
U
T
E
83
D
A
T
A
84
CL
O
CK
85
L
A
T
C
H
86
AD
R
87
G
ND8
8
88
G
ND8
9
89
G
ND9
0
90
V-
91
V+
92
S
W
OU
T
93
RB
O
UT
94
L
B
OU
T
95
RS
O
UT
96
L
S
OU
T
97
CO
UT
98
RO
UT
99
L
OU
T
100
P4003
NPJ-2PDWR558
1
2
3
7
P4004
NPJ-2PDWR558
1
2
3
7
P4005
NPJ-2PDWR558
1
2
3
7
P4002
NPJ-2PDWR558
1
2
3
7
*P4011
NPJ-1PDP555
1
2
3
P4001
NPJ-4PDWR690
1
2
3
4
5
6
7
Q4171
79M15HF(NJM79M15FA)
G
I
O
Q4170
78M15HF(NJM78M15FA)
I
G
O
Q
1700
N
J
M
4580C
G
OU
T
1
-
2
+
3
-V
4
Q
1702
N
J
M
4580C
G
OU
T
1
-
2
+
3
-V
4
Q
1703
N
J
M
4580C
G
OU
T
1
-
2
+
3
-V
4
*Q
1705
N
J
M
4580C
G
OU
T
1
-
2
+
3
-V
4
D4214
NM
D4204
NM
Q
4003
N
J
M
4580C
G
OU
T
1
OU
T
-
2
-
+
3
+
-V
4
-V
Q
4003
N
J
M
4580C
G
OU
T
7
OU
T
-
6
-
+
5
+
+V
8
+V
Q4130
NJM4580CG
OUT
7
OUT
-
6
-
+
5
+
+V
8
+V
Q4130
NJM4580CG
OUT 1
OUT
-
2
-
+
3
+
-V
4
-V
(SR DIRECT IN)
(SL DIRECT IN)
(C DIRECT IN)
Subwoofer
+20dB
R
L
R
L
R
L
R
L
-60mA max
-45mA typ
+60mA max
+45mA typ
L
BAAF-1712(1/2)
R
ASP
(PART5)
TO MAIN AMP
SCHEMATIC DIAGRAM(PART-4)
ASP
(PART5)
TO MAIN AMP
(ASPGND)
MODEL NO. TX-SR343/444/HT-R494
(CBL/SAT)
(VCR)
(TV)
(CD)
(TUNER)
(BOTTOM VIEW)
(FR DIRECT IN)
(SBL DIRECT IN)
(SBR DIRECT IN)
SW1
CD
TV
BD/DVD
GAME2
CBL/SAT
VCR
R
L
(BD/DVD)
(GAME)
(AUX)
(FL DIRECT IN)
FL
FR
C
SW
SL
SR
SBL
SBR
F
L/
F
R
:-
12dB
Do
wn
m
ix
S
W
:+
3.
5dB
A
A
A
A
T4/H4
T3
A
NM