First issue 10 / 04
34
MAIN BOARD SCHEMATIC DIAGRAM: DIGITAL SYSTEM (OSD/USB/RS232)
RTC
IIC ADDR:A2H(W),A3H(W)
G(1)
S(2)
D(3)
BSN20
M8p
RX D
TXD
SDA2_33
SCL2
SDA2
INTENSITY
DSR
PD
RTS
DTR
CTS
RD
SCL2
SCL2_33
SDA2_33
SDA2
SCL
2_33
INT_RTC
P[1]
TXD
P[1]
SCL2_33
P[4,7,13,18]
RX D
P[1]
SDA2_33
P[4,7,13,18]
DTEN
P[5]
SDA2
P[1,7,10,12,13,14,18]
POCLKOSD
P[3]
SCL2
P[1,7,10,12,13,14,18]
R_OSD
P[5]
HSYNCO
P[4,5]
G_OSD
P[5]
B_OSD
P[5]
VSYNCO
P[4,5]
SB5V
V33
V33
V33
SB5V
SB5V
P5V
D
D
D
D
D
D
D
V33SB
SB5V
D
P5V
5V_OSD
D
5V_OSD
D
D
D
D
D
5V_OSD
D
USB5V
D
D
D
D
D
SB5V
R65
100
1/16W
+ C37
47uF
16V
+ C32
N/10uF
16V
C33
0.1uF
25V
Z
Q5
BSN20
3
1
2
R56
N/1K
1/16W
+
C34
1uF
50V
T C36
180PF
50V
C39
0.1uF
25V
Z
Q6
BSN20
3
1
2
TP9
R59
47
1/16W
D51
N/RLS4148
R68
33
1/16W
T
C26
N/12PF
50V
T C30
100PF
50V
D52
N/RLS4148
TP10
T C35
180PF
50V
R314
N/0
1/16W
R54
22
1/16W
R62
0
1/16W
TP11
R55
N/1K
1/16W
D53
N/RLS4148
R58
1K
1/16W
R57
N/1K
1/16W
C44
N/0.1uF
25V
Z
TP12
+ C41
N/10uF
16V
RP12
10K ohm
1
8
2
7
3
6
4
5
C28
0.1uF
25V
Z
R61
47
1/16W
C38
0.1uF
25V
Z
+
C31
1uF
50V
Y4
N/32.768KHZ
+
C27
10uF
16V
U11
MTV130
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
SCK
SDA
SSB
HFLB
VDD
NC
XIN
VSS
VDD
VFLB
INT
FBKG
B-OUT
G-OUT
R-OUT
VSS
R313
10K
1/16W
L4
0
1/8W
C42
N/0.1uF
25V
Z
T C22
N/12PF
50V
R66
100
1/16W
P1
D1553-109--
5
9
4
8
3
7
2
6
1
10
11
L7
0
1/8W
R316
220
1/16W
R60
47
1/16W
T C29
N/100PF
50V
R67
100
1/16W
R64
N/220
1/16W
L6
0
1/8W
U65
N/PCF8563T
8
7
6
5
4
3
2
1
VCC
CLKO
SCL
SDA
VSS
INT
OSCO
OSCI
C40
0.1uF
25V
Z
U12
HIN232CB
16
15
11
12
13
14
7
8
9
10
1
3
4
5
2
6
VCC
GND
T1-IN
R1-OUT
R1-IN
T1-OUT
T2-OUT
R2-IN
R2-OUT
T2-IN
C1+
C1-
C2+
C2-
V+
V-
R315
N/4.7K
1/16W
R69
33
1/16W
+
C43
10uF
16V
TP8
C21
N/0.1uF
25V
Z
R63
47
1/16W
T C416
22PF
50V
