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3.5 SCHEMATIC DIAGRAM
• AV INPUT
A
87715-0400
15
L
J4
GND5
16
14
R
12
Pr
B
13
GND4
10
Pb
11
GND3
8
Y
9
GND2
C
6
CVBS
7
GND1
Luma
3
GND-Y
GND-Y
1
5
G2
2
GND-C
GND-C
4
C
D
9
S-VIDEO (Ch2)
8
VGA2 (Ch2)
11
SDA_B
R143
100
B1
12
HS_B
R142
100
B2
13
VS_B
B3
R141
100
14
SCL_B
R140
100
B4
15
8
VGA2 (Ch3)
E
VGA_IN
B1
B2
D21
C168
D20
C167
D19
5.6V
22P
5.6V
22P
5.6V
U30
HS_B
1
4
A1
Y2
6
5
Y1
VCC
C178
3
2
A2
GND
22P
NC7W Z14P6
U31
F
VS_B
1
4
A1
Y2
6
5
Y1
VCC
C176
3
2
A2
GND
22P
NC7W Z14P6
1/12
1/12
22
1
2
CVBS/YC Audio
R308
100
L
C367
C373
R309
1000p
560p
47K
R312
100
R
AR5
C371
C372
R317
ZD26
1000p
560p
47K
5.6V
ZD27
10
YPbPr (Ch3)
5.6V
FB7
BEAD_30
SS_PR
2250_PR 2,11
R8
75
ZD5
C21
5.6V
270P
10
YPbPr (Ch2)
FB8
BEAD_30
SS_PB
2250_PB 2,11
R11
75
ZD6
C22
5.6V
270P
10
YPbPr (Ch1)
FB9
BEAD_30
2250_Y 2,11,12
R9
75
ZD1
C24
5.6V
270P
1
CVBS
SS_CVBS 12
R16
34.8
SS_CVBS
560nH/08
C25
270P
C41
R14
L4
470P
NC/75
ZD4
10nH/08
5.6V
9
S-VIDEO (Ch1)
SS_Y 12
R15
34.8
S S_Y
560nH/08
C23
C39
R12
ZD2
270P
L5
470P
NC/75
5.6V
10nH/08
R17
34.8
SS_C
560nH/08
C26
270P
C40
R13
L6
470P
NC/75
ZD3
10nH/08
5.6V
8
VGA2 (Ch1)
CON3
V4
1
6
V5
2
7
V6
3
8
PC_B5V
4
D1
B5
9
5VS
DAN202U
5
10
B3
B4
C166
D18
C165
22P
5.6V
22P
3,10
DDC_W P
2250B_HS
2250B_HS 2,11,12
5 VV
0.1U
C177
2250B_VS
2250B_VS 2,11,12
5 VV
R5
75
PW _33V
C183
0.1U
FB47
10U
C182
BEAD_1K
2
3
AL5
ZD24
5.6V
ZD25
5.6V
Note:
Reference method in circuit diagram
2250_Y
(signal name)
2/12
(location of circuit page)
VGA2
LINE
IN
L2
2250_CVBS 2
VGA1
R23
C37
40.2
LINE
47P
IN
L1
S_Y 2
R22
C36
40.2
47P
DVI
LINE
L3
IN
S_C 2
R24
C38
40.2
47P
FB1
BEAD_30
FB2
BEAD_30
FB3
BEAD_30
C19
C18
22P
22P
PC_B5V
C30
0.1U
R154
R18
R378
U32
3.3K
3.3K
3.3K
8
1
VCC
A0
7
2
WP
A1
SCL_B
6
3
SCL
A2
SDA_B
5
4
SDA
VSS
AT24C02A
D4
D5
V4
V5
C4
BAV99
R1
C7
BAV99
NC/22P
75
NC/22P
PDP-505MX
3
4
5VCC
R484
100K
AR4
C415 10U
AR1
C417 10U
AR5
C418 10U
AR2
C419 10U
AR3
C416 10U
2 , 11, 12
11/12 12/12
J1
1
2
4
5
3
C155
C158
120P
120P
R406
47K
J2
1
2
4
5
3
C151
C154
120P
120P
J5
1
2
4
5
3
C269
C270
120P
120P
2250B_R 2,11
2250B_G 2,11,12
2250B_B 2,11
C17
22P
PC_A5V
R144
R147
R379
3.3K
3.3K
NC/3.3K
3,10
DDC_W P
SCL_A
SDA_A
5VS
D6
V6
R2
C8
BAV99
75
NC/22P
4
R485
R486
R487
R488
100K
100K
100K
100K
FB42
BEAD_220/08
FB41
BEAD_220/08
R407
47K
FB40
BEAD_220/08
FB39
BEAD_220/08
R408
R409
47K
47K
FB67
BEAD_220/08
FB68
BEAD_220/08
R410
R411
47K
47K
C42
0.1U
U4
AT24C02A
8
1
VCC
A0
7
2
WP
A1
6
3
SCL
A2
5
4
SDA
VSS
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