Ic Data - Yamaha YHT-196 Service Manual

■ IC DATA

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