7.
Circuit Diagrams and PWB Layouts
Small Signal Board: Dolby Digital Decoder
3
4
AUDIO DECODER
4
5
6
F
2AD0 B6
2AD1 B6
B6c
MPEG-1 LAYER-2
3A74 D7
3A75 E3
B6c
1
2AD3 B4
2AD4 B6
A
B
C
DOLBY DIGITAL DECODER
B6c
D
E
F
A
B
C
DOLBY DIGITAL
8
9
D
E
B6c
7
B6c
B14b
5A38 B8
7A30 B4
7A31 D2
2AD5 B5
3A72 D2
3A73 D3
IA73 D3
IA74 E3
3A76 E4
3A77 E7
4V9
2
1V7
2AE2 D8
2AE3 D7
2AE4 D2
5
6
3A81 C7
AND
3A82 C7
7
8
9
3
2AF0 E6
2AF3 B7
2AF4 B7
B14d
2AE5 D7
2AE6 D3
2AE8 E2
B6b,B14a
B6b,B14a
B14b(2X)
B6c
B6c
IA75 D7
2V4
2AD6 B6
3A83 D8
3A84 E2
3A78 E2
1
2
75R
3A74
3V1
B6b,B14a
B
IA71 D7
IA72 D7
7A31
BC847BW
IA73
IA74
1n
IA71
2AD0
100R
3A81
100R
3A82
+5M
100n
2AE6
A8
2AD6
1n
2AD3
1u
+5V
IA72
2AF3
100u
2AD5
68R
3A84
1n
10n
2AF0
IA75
100n
2AE4
30R
5A38
A2
+5M
2AE8
100n
100R
3A83
3A78
100R
2AD4
1u
3A76
3K3
10n
100n
2AF4
2AE5
3A75
2K2
3A77
75R
36
_PCS
5
_POR
42
_RTR
41
_RTW
A3
15
SOD2
16
SOD3
26
SOI
17
SPDIFOUT
38
SPDI_1
40
SPDI_2
39
SPREF
44
SYNC
6
TE
2
VDD
1
VSS
9
XTI
10
XTO
23
XVDD
22
XVSS
_EOD
43
34
PI18
35
PI19
18
PI4
24
PI8
37
PR
4
SCL
3
SDA
19
SIC
32
SIC_PI16
21
SID
30
SID_PI14
20
SII
31
SII_PI15
25
SOC
27
SOD
14
SOD1
MAS3528E
7A30
8
A
VDD
7
A
VSS
13
CLKO
11
NC1
12
NC2
28
PI12
29
PI13
33
PI17
A5
3A72
10R
A1
A4
10n
2AE3
+5M
2AE2
1n
+5M
3A73
2K2
1u
2AD1
I2S-DD-CLK
SYS-CLK1
I2S-DD-OUT
I2S-DD-WS
SCL-F-DD
SDA-F-DD
SYS-RESET-MAS
I2S-BO-IN
I2S-BO-WS
I2S-BO-CLK
SPDIF-OUT
SPDIF-IN1
SPDIF-BO-OUT
A7
A6
8204 000 8320.2
CL 36532075_022.eps
151003
(NOT USED)