alc203-lf Realtek Semiconductor Corporation, alc203-lf Datasheet - Page 48

• Manufacturer Part Number: alc203-lf
• Description: Two-channel Ac?97 2.3 Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

Two-Channel AC’97 2.3 Audio Codec
S/PDIF OUTPUT
S/PDIF INPUT
(Coaxial)
TORX176/173 with ATC control is recommended
J9
+5VDD
+5VDD
J6
5
C32
0.1u
1
5
U3
TOTX178
L6
N.C
U4
TORX176/173
CASE
47uH
C48
0.1u
100P
C54
1
C51
C40
100P
N.C
0.01u
Optical
Transmitter
C38
0.01u
CASE
4
Onboard Header and Reference Back Panel Schematic for S/PDIF I/O
Optical
Receiver
R14
2.2K
C49
0.01u
6
R5
R6
220
100
Back Panel Bracket for S/PDIF I/O
+3.3VDD
R16
100K
R18
R19
100K
SPDIF-OUT
10
TORX178/179 can be used without connecting RCA
SPDIF-IN
+5VDD
AGND
DGND
SPDIF-IN
DGND
L7
C33
10u
47uH
4
+3.3VDD
CASE
U5
TORX178
+
44
Bracket Connector
C34
0.1u
J2
1
3
5
7
9
CASE
C47
0.1u
10
2
4
6
8
C35
10u
R11
5
Optical
Receiver
+3.3VDD
+5VDD
+5VDD
AGND
SPDIF-OUT
+
C36
0.1u
10
SPDIF-IN
AGND
DGND
SPDIF-IN
DGND
ALC203 DataSheet
Header for Back Panel Bracket
J8
1
3
5
7
9
10
2
4
6
8
+3.3VDD
+5VDD
AGND
SPDIF-OUT
Rev1.6