Acer AL513 Manuale di servizio - Pagina 10
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6. SCHEMATIC DIAGRAM
6.1. VGA INPUT
DDC-SCL
DDC-SDA
D114
C169
D115
C170
VPORT
VPORT
NC
NC
J101
13
13
RED
12
12
11
R-GND
11
10
GREEN
10
9
G-GND
9
8
BLUE
8
B-GND
7
7
PC_5V
6
6
5
5
HSYNC
4
4
3
VSYNC
3
2
DDC-SDA
2
DDC-SCL
1
1
CONN RCPT 13
C109
VCC
0.1u
D111
1N4148
DDC_VCCA
C112
I102
1
8
NC
VCC
2
7
0.1u
NC
VCLK
3
6
NC
SCK
4
5
VSS SDA
24LC21
8 PIN SOCKET
P108
HSYNC
VSYNC
D106
D107
NC
NC
L101
BLUE
L102
GREEN
L103
RED
R105
22
VGA_GND
R103
22
R100
R101
R102
L100
200
75 1%
75 1%
75 1%
C172
C110
VPORT
150pF
D112
1N4148
R108 change to C172
R109
150
VSYNC
R110
150
DDC-SCL
DDC-SCL
3
DDC-SDA
DDC-SDA 3
R111
150
DDC-SCL1 3
DDC-SDA1 3
D103
D104
D105
NC
NC
NC
D108
D109
D110
NC
NC
NC
32
32
32
C105
C106
VPORT
VPORT
I101A
1
2
C108
R105
74LVC14
R106 1K/NC
VPORT
10K/NC
I101C
5
6
Optional
74LVC14
+3.3V
C113
0.1u
P701
8 HEADER 2mm
+3.3V
PWR/LED
S705
S704
S703
S702
C101
0.1u
C102
0.1u
C103
0.1u
NC
C107
C100
VPORT
Optional
VGA-GND
I101B
R104 100
3
4
PA-HSYNC 2
C104
74LVC14
+3.3V
33p
I101D
R107 100
9
8
PA-VSYNC 2
C111
74LVC14
33p
I101E
11
10
74LVC14
I101F
13
12
74LVC14
JT166L 2202120100
PWR/SW
PSM/LED
GREEN
ORANGE
S701
D701
PA-BLUE
2
PA-GREEN 2
PA-RED
2
SOGI
2
74LVC14 VCC IS +3.3V
D12 NF4 C14 R11 I2
AL512/AL513
9/20/2002
-9-