Circuit Diagrams and PWB Layouts
7.
Small Signal Board: Audio I/O
MUXDX
NC
SUPPLY
BUS DECODER
NC
SUPPLY
BUS DECODER
B
II65 A10
II66 C12
II67 C10
B6b
B14b
B6a
B14b
B14b,d
B6a , B14d
B14b
B14b,d
B15b
B14b
B
B14c
B14b
B6a
B6a , B14d
B14b
II68 C12
II69 F10
II70 H10
II71 G2
II72 C2
II73 A9
B14b
FID3 G5
FID4 H5
B14b
B6a , B14d
NC
B6a
B6c
B14b
B14c
7I22-B C10
7I23-A H10
7I23-B F10
9I32 B5
B6a,B14d
FID5 H5
9I41 D3
9I42 A3
B6a,B14d
B14b
B14b
B6a , B14d
B6c
B6a
B14b
B14b
B14b
B14b
9I43 E3
9I48 E3
9I49 A3
9I57 D12
9I58 E12
9I59 B10
FID2 G5
B14b
3IR4 B12
B6a , B14d
B6a , B14d
B14b
B14c
B14b
3IR6 C13
3IR7 C13
3IR8 B10
3IT7 A9
7I00 B10
7I17 B2
7I18 F2
7I20 B12
7I22-A A11
3II5 G10
3II6 H10
3II7 H9
3II8 G4
9I33 B5
9I34 C5
9I35 C5
9I36 D5
9I37 D5
9I38 A3
9I39 B4
9I40 E3
3IR2 B12
3IR3 B12
B6a , B14d
B6a,B14d
B14b
B6a , B14d
B6a,B14d
2IA8 I3
2IF0 I3
2IF1 F3
2IH0 C13
B14b
B14b
NC
3II1 C10
3II2 D10
B14c
3II3 D10
3II4 A12
2I88 F3
2I89 F3
2I90 F3
2I91 H1
3II9 G4
3IJ0 C4
3IJ1 C5
3IJ2 F10
3IJ3 F9
3IJ4 G10
3IR0 C12
3IR1 B12
2IA1 D10
2IA2 A12
2IA3 B9
2IA7 A11
4
5
6
7
2IH1 C12
2IH2 B12
3IH5 A10
3IH6 A10
3IH7 A11
3IH8 C10
3IH9 A12
3II0 C10
C
D
AUDIO I/O
B14b
B14b
B15B
B14b
2I79 C2
2I80 E2
2I81 D3
2I82 E3
2I83 D3
2I84 E3
2I85 D3
2I86 F2
2I87 F3
F
G
H
I
2I92 H2
2I93 H2
2I94 I2
2I95 I3
2I96 I3
2I97 I3
2I99 A12
2IA0 B10
2I77 C1
2I78 C2
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3
2I73 B3
2I74 B3
2I75 B3
2I76 B3
8
9
10
11
12
13
A
B
E
F
G
H
I
A
B
C
D
E
2I76
1u
2I71 B2
2I72 B3
2I71
1u
47K
22K
3II1
3II3
9I38
9I40
22K
3IH6
22K
3II6
13
14
2
2y0
2y1
1
15
3y0
5
3y1
3
4
G3
6
GND
8
VCC
16
VEE
7
11
10
9
7I20
74HC4053
1y0
12
1y1
2I91
1u
II73
3IJ0
100R
10R
3IT7
2I88
1u
1u
2I75
+8V
2I97
1u
1u
2I87
1u
2I83
2I74
2I85
1u
1u
3IH9
47K
1u
2IA0
10K
3IH7
100n
2IA3
3IJ4
22K
+8V
22K
3II2
100R
7I22-B
BC847BS
1u
2IA7
3II9
2I80
1u
9I39
1u
2IF1
II72
9I48
22K
3IH5
1u
2I73
1u
2I82
7I23-A
9I41
1u
BC847BS
24
R3
23
R4
20
R5
19
R6
18
ROUT1 13
ROUT2 15
ROUT3 17
SCL 27
SDA 28
VS
3
2IA2
2
GND
1
L1
4
L2
5
L3
6
L4
9
L5
10
L6
11
LOUT1 12
LOUT2 14
LOUT3 16
7
8
21
22
R1
25
R2
7I18
TEA6422D
ADDR 26
CAP
2IA8
220R
3IR8
+5V
1u
1u
2I96
1u
2I89
2I90
1u
1u
1u
2I92
1u
2I77
2I78
BC847BS
1u
2IA1
10K
3IJ2
7I23-B
9I37
2I86
1u
+5V
47K
3IR2
+8V
II70
II69
9I49
9I42
9I57
9I58
7I22-A
BC847BS
47K
+8V
3IR3
47K
+8V
2I84
1u
3II4
22K
3II7
II65
3II0
10K
II66
9I59
75R 3IR7
2I81
1u
2I72
1u
II67
9I35
25
R1
R2
24
23
R3
20
R4
19
R5
18
R6
ROUT1 13
15
ROUT2
17
ROUT3
27
SCL
28
SDA
3 VS
ADDR
2 CAP
1 GND
4
L1
5
L2
6
L3
9
L4
L5
10
11
L6
12
LOUT1
LOUT2 14
16
LOUT3
7
8
21
22
22K
7I17
TEA6422D
26
2I94
1u
+5V
3IJ3
3IR0
100K
9I33
3IH8
47K
22K
3IR4
100K
3IR1
3II5
10K
FID2
2IH1
100n
9I36
1u
2I99
9I43
2I95
1u
FID4
100R
9I34
FID3
3II8
FID5
100n
2IH0
+8V
II71
BC847BW
7I00
2IF0
1u
2I79
100R
3IJ1
II68
22u
2I93
22u
100n
2IH2
9I32
75R
3IR6
SPI-2
SPDIF-IN1
SNDR-BO-OUT1
2Fh1_R
2Fh1_L
SNDL-BO-OUT1
SNDR-MON-OUT
SNDR-SC1-OUT-DC
SNDL-SC1-OUT-DC
2Fh1_R
R-FR
ONT
-IN
AR-SC4-IN
SNDR-BO-OUT2
AL-SC4-IN
SNDL-BO-OUT2
SNDR-MAIN-IN
SNDR-SEC-IN
SNDL-MAIN-IN
SNDL-SEC-IN
SPI-1
SNDR-BO-IN
SNDL-MAIN-IN
SNDL-SEC-IN
SNDL-BO-IN
SEL_IN_2_B
SNDR-SC1-OUT-DC
SNDL-SC1-OUT-DC
SNDR-BO-IN
SNDL-SC1-OUT
2Fh1_L
SNDR-SC1-OUT
SNDL-MON-OUT
REG-SW
SNDL-SC2-OUT
SNDR-SC2-OUT
SNDL-SC1-OUT
SNDR-SC1-OUT
SEL_IN_2_F
SEL_IN_1_B
SEL_IN_1_F
SNDL-BO-IN
LOUT1
LOUT2
LOUT3
MONO-PIP
R
OUT1
R
OUT2
R
OUT3
MONO-PIP
S-SDA
S-SCL
SNDR-MAIN-IN
SNDR-SEC-IN
LOUT1
ROUT1
LOUT2
ROUT2
LOUT3
ROUT3
AL-SC1-IN
AL-SC2-IN
AL-SC3-IN
L-FR
ONT
-IN
AR-SC1-IN
AR-SC2-IN
AR-SC3-IN
S-SDA
S-SCL
SUBW-SPI-SW
8204 000 8321.2
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