51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
80
81
79
MUTE
A VEE
ADCL
ADCR
AGND
INR1
INR2
INR3
INR4
INR5
INR6
INR7
INR8
INR9
INL1
INL2
INL3
INL4
INL5
INL6
INL7
INL8
INL9
INR1
2
INL1
2
INL1
4
RECR3
RECL3
INL1
1/RECL5
INR1
3
INR1
4
INL1
3
FLIN1
FRIN1
CIN1
SWIN1
SLIN1
SRIN1
SBLIN1
SBRIN1
SBLC
SBL P
re-OUT
SBL OUT
INRA/RECR1
INLA/RECL1
INRB/RECR2
INR10/RECR4
INR10/RECL4
INR11/RECR5
INLB/RECL2
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
1
2
FRC
FROUT
FLOUT
FLC
CC
COUT
SWOUT
SROUT
SLOUT
SBR OUT
SBR Pre-OUT
SL Pre-OUT
SR Pre-OUT
FL Pre-OUT
FR Pre-OUT
SBRC
SWC
SRC
SLC
AGND
AGND
A GND
AGND
AGND
TREL
TRER
BASSL2
BASSR1
BASSR2
BASSL1
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99 100
50
AVEE
0/-6/-12/-18dB
ATT
SUB
SUB2
0~95dB,
-∞
(0.5dBstep)
MAIN
MAIN
MAIN
SUB
SUB
CL
OCK
D
ATA
DGND
SUBR1
SUBL1
SBLCIN
SBRCIN
FRIN2
FLIN2
SRIN2
SLIN2
SWIN2
SBRIN2
SBLIN2
SLCIN
SRCIN
SUBR2
SUBL2
AV
C
C
CIN2
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
MCU
I/F
AVCC
REC
Tone
Tone
Bass/Treble
-14~+14dB
(2dBstep)
+42~0dB
(0.5dBstep)
+42~0dB
(0.5dBstep)
+42~-95dB
-(0.5dBstep)
+42~-95dB
-∞(0.5dBstep)
+42~-95dB
-∞(0.5dBstep)
+42~-95dB
-∞(0.5dBstep)
+42~-95dB
-∞(0.5dBstep)
+42~-95dB
-∞(0.5dBstep)
Bass/Treble
-14~+14dB
(2dBstep)
0~-95dB,
-∞
(0.5dBstep)
Bypass
Bypass
Tone+MIX
Tone+MIX
Tone
Tone
IC21:
R2A15220FP (MAIN P.C.B.)
8-channel electronic volume with 11 input selector and tone control
■
IC DATA
49
HTR-2064/NS-B20/NS-C20/NS-SWP20
HTR-2064/NS-B20/
NS-C20/NS-SWP20