Circuit Diagrams and PWB Layouts
7.
Small Signal Board (AA): Audio I/O
NC
SUPPLY
BUS DECODER
MUXDX
NC
SUPPLY
BUS DECODER
B14b
2I71 B2
2I72 B2
2I73 B2
2I74 B2
2I75 B2
2I76 B3
2I77 C1
2I78 C1
2I79 C1
2I80 D2
2I81 D2
2I82 D2
2I83 D2
2I84 D2
2I85 D3
2I86 F2
B6a,B14d
B14b
B14b
B6a,B14d
B14b
1
B14b
B14b
RES
B6a
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
B6b
B14b,d
B6a , B14d
B6a , B14d
B14b
B14b
6
7
8
9
10
11
12
A
B
MATRIX SWITCH
MATRIX SWITCH
B1
B14b
B14b
B6a , B14d
C
D
E
F
G
H
I
A
B
C
D
E
F
G
H
I
B6c
B14b
2I88 F2
2I89 F2
2I90 F2
2I91 H1
2I92 H1
2I93 H1
2I94 I2
2I95 I2
2I96 I2
2I97 I2
2I98 I2
2I99 A11
2IA0 B9
2IA1 D9
2IA2 A12
2IA3 B9
B14d
B14b
B14b
B1 --> B20
B14b,d
B14b
B6a , B14d
B14b
2IA7 A11
2IF0 I3
2IF1 F3
2IH0 C12
2IH1 C12
2IH2 B12
3IH5 A9
3IH6 A10
3IH7 A10
3IH8 B9
3IH9 A11
3II0 C10
3II1 C9
3II2 C9
3II3 D9
3II4 A11
B14b
B6c
B6a
B14b
B14b
B6a
RES
2I87 F2
B14b
3II5 G9
3II6 H9
3II7 H9
3II8 G4
3II9 G4
3IJ0 C4
3IJ1 C4
3IJ2 F9
3IJ3 F9
3IJ4 G9
3IR0 C12
B6a , B14d
B6a,B14d
3IR1 B12
3IR2 B11
3IR3 B11
3IR4 B12
3IR6 C12
3IR8 B9
3IT7 A8
7I00 B9
7I17 B1
7I18 F1
7I20 B11
7I22-A A10
7I22-B C10
7I23-A H9
7I23-B F9
9I32 B4
9I33 B4
9I34 C4
9I35 C4
9I36 D4
9I37 D4
B14c
B6a
RES
B6a
B6a
B6a
RES
9I57 D11
9I58 E11
9I59 B9
FID2 G4
FID3 G4
FID4 H4
FID5 H4
II65 A10
II66 C12
II67 C9
II68 C11
II69 F9
II70 H9
II71 G1
II72 C1
II73 A9
B14b
B14c
AUDIO I/O
B1 --> B20
3IR7 C12
B14b
B15b
B1
B14b
B14b
B6a,B14d
22K
3II6
100n
2IH0
24
R3
23
R4
20
R5
19
R6
18
ROUT1 13
ROUT2 15
ROUT3 17
SCL 27
SDA 28
VS
3
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
1u
7I18
TEA6422D
ADDR 26
CAP
3II8
100R
2I89
2I98
2I97
1u
2I81
1u
1u
II72
II68
1u
2IA7
II66
100n
2IA3
GND
8
VCC
16
VEE
7
11
10
9
10K
3IH7
7I20
74HC4053
1y0
12
1y1
13
14
2
2y0
2y1
1
15
3y0
5
3y1
3
4
G3
6
10K
3IJ2
9I37
2I77
1u
3IJ4
22K
22u
2I79
+5V
3II9
100R
2I88
1u
9I35
3IR3
3II0
10K
1u
47K
1u
2I74
2I85
100K
3IR1
3IR0
100K
2I90
1u
+5V
FID4
2I91
1u
FID2
1u
BC847BW
7I00
2I84
1u
2I73
+8V
+8V
9I32
2I93
22u
FID3
2I78
1u
FID5
75R
3IR6
2IF0
1u
2I75
2I76
1u
1u
75R
3IR7
220R
3IR8
9I34
+8V
9I57
2I92
22K
3IH6
1u
3IH9
47K
1u
2IF1
2IA2
1u
II65
II73
7I22-B
BC847BS
22K
3II7
9I36
+8V
22K
3IH5
9I33
100R
3IJ1
2I80
1u
3IH8
47K
9I58
1u
2I99
II71
II67
BC847BS
+8V
7I22-A
3IJ0
100R
100n
2IH2
1u
2I87
3II4
47K
10R
3IT7
3II1
2I82
1u
22K
22K
3II2
47K
25
R1
R2
24
23
R3
20
R4
19
R5
18
R6
ROUT1 13
15
ROUT2
17
ROUT3
27
SCL
28
SDA
3 VS
3II3
26
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
BC847BS
7I17
TEA6422D
7I23-B
2I94
1u
+5V
2I96
1u
2I71
1u
9I59
II69
1u
2I72
BC847BS
7I23-A
2IH1
100n
3IJ3
22K
II70
3II5
10K
+8V
22K
3IR4
3IR2
47K
1u
2I83
2IA0
1u
2IA1
1u
2I86
1u
SNDR-MON-OUT
SNDL-MON-OUT
SNDL-SC1-OUT-DC
SNDR-SC1-OUT-DC
2I95
1u
SNDR-SC1-OUT
2Fh1_R
SNDR-BO-OUT1
R-FRONT-IN
AR-SC4-IN
AL-SC4-IN
SNDR-MAIN-IN
SNDR-SEC-IN
SNDL-MAIN-IN
SNDL-SEC-IN
SPI-1
SPI-2
SPDIF-IN1
SNDR-BO-IN
SNDL-MAIN-IN
SNDL-SEC-IN
SNDL-BO-IN
SEL_IN_2_B
SNDR-SC1-OUT-DC
SNDL-SC1-OUT-DC
SNDL-BO-OUT1
SNDR-BO-IN
SNDL-SC1-OUT
2Fh1_L
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
ROUT1
ROUT2
ROUT3
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-FRONT-IN
AR-SC1-IN
AR-SC2-IN
AR-SC3-IN
S-SDA
S-SCL
SUBW-SPI-SW
CL 36532064_023.eps
090903
8204 000 8202.6