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IC101 (MAIN BOARD) TDA7440D
1 2 3 4
5
8
6
7
IC201 (MAIN BOARD) M62464FP
64
63
62
61
60
59
BPF
BPF
FULL WAVE
ABR
65
L
R
L
R
66
NGC3
67
NGC2
68
NGC1
AVCC
69
AVCC
70
VREF
VREF1
BALANCE
71
IREF
IREF
L-IN
LIN
72
R-IN
RIN
73
LT-IN
LTIN
74
RT-IN
75
RTIN
C-IN
3
2
4
CIN
76
1
SL-IN
77
SLIN
SR-IN
78
SRIN
SW-IN
79
SWIN
VRSW-IN
80
VRSWIN
1
2
C-SW
VOL
TRIM
L R
C
1 2 3
4
5
6
28
27
26
25
24
23
SUPPLY
VREF
G
0/30dB
2dB STEP
G
INPUT MULTIPLEXER
GAIN
9
10
58
57
56 55
54
53
52
51
50
49
48
47
LOG
DUAL TIME CONSTANT
DIFFERENCE
AND
RECTIFIER
AMPLIFIERS
THRESHOLD SWITCHES
L
R
C
S
AUTO
L
R
C
VCA
SERVO
3
2
4
1
5
5
2
2
1
3
1
3
PSEUDO
SURROUND
VOL
VOL
TRIM
TRIM
7
8
9
10
11
12
13
14
15
22
21
20
19
18
17 16
RB
TREBLE
VOLUME
BASS
I2CBUS DECODER
LATCHES
TREBLE
BASS
VOLUME
RB
11
12
46
45
44
43
42
41
MODIFIED
1
2
B-TYPE
NR DECODER
2
3
1
CLK
1
2
3
4
VOL
TRIM
1
2
MCU INTERFACE
DVDD
DATA SCK REQ
16
17
18 19 20 21
22 23 24
15
SPKR ATT
LEFT
SPKR ATT
RIGHT
13
14
40
DVOLOUT
39
LPF2OUT
38
LPF2IN2
37
LPF2IN1
DAINTOUT
36
35
DAINTIN
34
DACONT
33
ADCONT
32
ADINTOUT
31
ADINTIN
30
LPF1OUT
29
LPF1IN2
LPF1IN1
28
27
DIN
26
DSELOUT
25
DVSS
57
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