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17.12. Audio I/O Section (Digital P.C.B. (5/5)) Schematic Diagram (AI)
E
GN
D 3.3V
GN
DGND
EN
768FS1
E
C4421 1000P
C4422 1000P
C4423 1000P
C4424 1000P
C4425 1000P
C4426 1000P
D
GN
AU 5V
C
GN
AADC L
B
GN
AADC R
GN
XADC PD
A
GN
AUGND
1
LB4401
J0JGC0000020
R4419
R4418
0
0
16
15
IC4404
C0FBBK000035
(D/A CONVERTER)
1
2
LB4404
J0JGC0000020
C4415
C4416
0.1
6V330
R4429
5.6K
IC4405
C0ABBB000105
(AUDIO BUFFER)
1
OUTA
VCC
8
R4430
10K
2
-INA
OUTB
7
3
+INA
-INB
6
4
VEE
+INB
5
2
R4420
0
R4421
0
R4422
0
14
13
12
11
10
9
3
4
5
6
7
8
FL4403 F1H0J4740004
FL4405 F1H0J4740004
R4434
0
LB4402
J0JGC0000020
R4432 5.6K
R4431
10K
R4435
0
C4428
C4427
0.1
6V47
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAW
3
R4451
0
R4452
0
C4432
0.1
C4411
C4412
10V10
6V47
R4457 0
R4426
0
R4427
0
LB4405
J0JHC0000032
C4417
C4418
0.1
6V100
20
19
IC4406
C0FBAK000008
(A/D CONVERTER)
1
2
C4431
C4430
0.1
10V10
IN THE PARTS LIST, AND MAY BE SLIGHTLY DIFFERNT O
4
5
VCC
INB
IN
1
2
18
17
16
3
4
5
5
66
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