Circuit Diagrams and PWB Layouts
10.
Extension Board: Video input
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
1
8
4
3
0_521_090204.ep
s
090204
DSUB_AHIN
AV _YIN
+5V_SW
AV_CIN
CSYNC _IN
AV
_
C
IN
DSUB_AHIN
BNC_CVBS_IN
CVBS_OUT
DSUB_GIN
RCA_CVBS_IN
SOG_SW
DSUB_AHIN
3,4
SYNC_CNT 4
SOG_SW
4
CSYNC_SEL 9
DSUB_GIN
4
+5V_SW
3,4,9
SYIN
4
CYNC_ENABLE
9
SCIN
4
BNC_Y
2,4
VIDEO_SEL 9
CVBSIN
4
+5VC
+5VC
+5VC
+5VC
+5VC
+5VS
+5VC
+5V_SW
+5VC
+5VC
+5VS
+5VC
+5VS
Title :
Size :
Document Number:
Rev :
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SCH File Name :
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Check:
Approval:
Draw:
No.361,5F.,Fu-Sing 1 Rd.,Gueishan Hsiang, Taoyuan, Taiwan
TechView International Technology Inc.
Tel :+886-3-3287088
Fax:+886-3-3288066
B2A
01.VIDEO INPUT
Custom
1
11
Friday, January 09, 2009
<Doc>
Standard Circuit Design
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B
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S-VIDEO
Control
Pins
H
L
CSYNC_SEL
CVBS
CSYNC
H
L
VIDEO_SEL
L
NC 4/29
L
H
H
BNC_Y
R8
1.1K/6
L81
121A4/8/NC
Q1
MMBT3904
2
1
3
R536
680R/6
L3
0R/6
+
C5
47uF/25V
1
2
R17
680R/6
C12
0.47uF/6
R22
75R/2010
R9
75R/2010
+
C253
47uF/25V
1
2
C1
1
0
0
p
F
/6
D3
UDZ5V6B
2
1
R13
100R/6
+
C4
22uF/50V
1
2
R23
100R/6
R14
560K/6
R6
75R/
2010
/N
C
R36
1.8K/6
C8
0.1uF/6
R20
10K/6
C269
0.1uF/6
R15
4.7K/6
R24
0R/6
R550
4.7K
/6
+
C11
47uF/25V
1
2
C7
0.1uF/6
L4
0R/6
Q69
MMBT3904
2
1
3
R16
75R/2010
U39
NC7SB3157P6X_NL/NC
B1
1
GND
2
B0
3
A
4
VCC
5
S
6
R7
10R/6
R28
680R/6
J1
CBNC2P-YKC31-0184ON6_0
G2
P2
P2
G1
G1
P1
P1
R34
0R/6
R553
4.7K/6
R32
15K/6
C18
100pF/6
L6
0R/6
C17
0.1uF/6
R551
1K/6
R552
10K/6/NC
+
C21
47uF/25V
1
2
C10
0.1uF/6
U1
MM1671
PS
1
OUT
2
SAG
3
IN
4
GND
5
VCC
6
C20
0.1uF/6
L5
121A4/8
L2
121A4/8
C268
22
0
n
F
/6
C252
0.1uF/6
R10
560K/6
C3
0.1uF/6
L8
121A4/8
R4
75R/
2010
U2
NS_LM1881_SOP_8P
CVBS_IN
2
GND
4
VCC
8
CVBS_SYNC_OUT
1
V_SYNC_OUT
3
OD/EVN
7
RSET
6
BRST/BK
5
D5
E
Z
J
Z
0V
800A
A
/6
/N
C
C9
10
0
p
F
/6
C15
470pF/6
C274
0.1uF/6/NC
R30
10K/6
D2
E
Z
J
Z
0V
800A
A
/6
/N
C
C14
100pF/6
R533
10K/6
D6
E
Z
J
Z
0V
800A
A
/6
/N
C
L7
0R/6
R18
1.8K/6
D7
EZ
JZ
0
V
8
0
0
A
A/6
/NC
R26
0R/6
U3
PI5V331QE
1OE
1
S1
2
1B4
3
1B3
4
1B2
5
1B1
6
1A
7
GND
8
2A
9
S0
14
2OE
15
VC
C
16
2B1
10
2B2
11
2B3
12
2B4
13
C16
0.1uF/6
R29
1.8K/6
JACK1
TYCO_1566504_4_5P
6
7
5
2
9
4
1
3
8
11
10
R537
1.8K/6
R27
4.7K/6
R3
NC
+
C267
10
u
F
/5
0
V
R534
100R/6
+
C2
100uF/25V
1
2
L1
0R/6
C6
1
0
0
p
F
/6
R33
680R/6
R11
10K/6
C13
0.1uF/6
R535
4.7K/6
Q3
MMBT3904
2
1
3
R35
2.2K/6/NC
Q61
MMBT3904
2
1
3
D4
1SS355
2
1
R2
4.7K/6
Q68
3415/SOT23
D
G
S
D1
E
Z
J
Z
0V
800A
A
/6
/N
C
Q2
MMBT3904
2
1
3
+
C19
47uF/25V
1
2
R31
100R/6