1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
Title
Number
Revision
Size
A3
Date:
10-Jun-2004
Sheet of
File:
C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\Rar\NEW SKY5020.DDB
Drawn By:
The bypass caps above are for analog supply pins
(pin 69 and 76) of U1 VPC3230D decoder
The bypass caps above are for digital supply pins
(pin 29,36,45,52) of U1 VPC3230D decoder
C726
1nF
C725
0.22uF
C724
1nF
C723
0.22uF
C731
0.1uF
C730
0.1uF
C729
0.1uF
C728
0.1uF
C709
47nF
C707
47nF
C720
3.3pF
C719
3.3pF
X700
20.25M
C718
0.22uF
C717
0.22uF
C716
0.22uF
C715
0.68uF
C704
1nF
C703
0.68uF
C700
0.68uF
VIN4
75
VIN3
74
VIN2
73
VIN1
72
CIN
71
Y1/G1
2
U1/B1
1
V1/R1
3
FBIN1
79
Y2/G2
5
U2/B2
4
V2/R2
6
XTALI
62
XTALO
63
V
O
U
T
7
0
VRT
66
VREF
78
VGAV
17
Y7
31
Y6
32
Y5
33
Y4
34
Y3
37
Y2
38
Y1
39
Y0
40
UV7
41
UV6
42
UV5
43
UV4
44
UV3
47
UV2
48
UV1
49
UV0
50
LLC2
27
LLC
28
AVO
54
HCLP
55
HS
56
VS
57
INTLC
53
OE#
18
FFIE
19
FFWE
20
FFRST
21
FFRE
22
FFOE
23
TEST
16
S
C
L
1
3
S
D
A
1
4
R
S
T
#
1
5
V
D
D
1
0
V
D
D
C
A
P
9
G
N
D
C
A
P
1
2
P
L
V
D
D
2
9
Y
V
D
D
3
6
C
V
D
D
4
5
S
P
V
D
D
5
2
A
F
V
D
D
6
9
IS
V
D
D
7
6
V
S
T
B
Y
5
9
C
L
K
5
6
0
F
P
D
A
T
5
8
C
L
K
2
0
2
4
A
S
G
N
D
7
A
S
G
N
D
6
4
G
N
D
1
1
A
P
G
N
D
2
5
A
P
V
D
D
2
6
P
L
G
N
D
3
0
Y
G
N
D
3
5
C
G
N
D
4
6
S
P
G
N
D
5
1
A
F
G
N
D
6
5
IS
G
N
D
6
8
IS
G
N
D
7
7
IS
G
N
D
8
0
I2
C
S
E
L
6
7
IC700
VPC3230D
C714
0.68uF
C706
0.22uF
C705
1nF
C722
47nF
C721
1nF
VRT1
VREF1
ADR:0X88
VCLK
YUV7
YUV6
YUV5
YUV4
YUV3
YUV2
YUV1
YUV0
9
A.1
HGW
1
900-XXXX-XX 01
CVBS-OUT
RESETQ
SDA
SCL
S-C
S-Y
TV-CVBS
Main BOARD ( VPC3230 main picture)
SKYWORTH MULTIMEDIA R&D
YUV[0..7]
VCLK
R706 47
RP703
47
RP702
47
RP701
47
I1
1
O1
8
I2
2
I3
3
I4
4
O4
5
O3
6
O2
7
RP700
47
SC-G G
SC-B B
SC-R R
CVBS-OUT
SCL
SDA
TV-CVBS
V33
VCCA
VCCA
VCCA
V33
V33
R701
100
R700
100
C710
10uF_E
C708
10uF_E
C727
22uF_E
R704 0_NS
S-C
S-Y
SC-CVBS
SC-CVBS
SC-G G
SC-B B
SC-R R
C713
0.22uF
C712
0.22uF
C711
0.22uF
TT-G
TT-B
TT-R
TT-G
TT-B
TT-R
R702
100
TT-FB
R705 47
R703 47
+3.3V
L701
FERRITE BEAD
V33
+5V
L700
FERRITE BEAD
VCCA
C702
100P
C701
100P
RST-3230
R707
1K
VCCA
C732
22uF_E
C733
0.1uF
TV-CVBS
AV-CVBS
S-C
S-Y
SC-CVBS
SC-R R
SC-B B
SC-G G
SC-ID
SCL
SDA
+12V
+5V
+5V
SYS M SW
P/N P SW
SC-Test
1
3
2
4
6
5
7
9
8
10
12
11
13
15
14
16
18
17
19
21
20
22
24
23
25
27
26
28
30
29
31
32
38
37
35
36
34
33
CN700
HEADER 19X2
SYS SW0
SYS SW1
+33V
TT-SYNC
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Summary of Contents for 8T83
Page 3: ...TECHNICAL SPECIFICATION 3 Frequency L L CUSTOM SOFT STANDARD RICH LATIN GREEK...
Page 4: ...TECHNICAL SPECIFICATION 4...
Page 5: ...Chassis Block Diagram 5...
Page 7: ...IC2 MULTI STANDARD VIDEO IF TDA4470 IC602 POWER STR G6653 IC Block Diagram 7...
Page 10: ......
Page 11: ......
Page 12: ...AV IN OUT PC IN PCB Top Layer 12...
Page 13: ...13 AV IN OUT PC IN PCB BOTTOM Layer...
Page 14: ...14 VGA CONTROL PCB Top Layer VGA PCB TOP LAYER CONTROL PCB TOP LAYER...
Page 15: ...Service Adjustments 15...
Page 16: ...Service Adjustments 16...
