Envision EN7220 Service Manual page 21

17” lcd monitor
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VAD
VPLL
VDVI
U401
63
3
RIN
RIN0
62
3
GNDR
RIN0M
60
3
GIN
GIN0
59
3
GNDG
GIN0M
61
3
SOG
SOGIN0
58
3
BIN
BIN0
57
3
GNDB
BIN0M
37
3
HSYNC
HSY NC0
38
3
VSYNC
VSYNC0
29
DDC1_CLK/GPO8
28
DDC1_DAT/GPO7
40
3
R+
R+
41
3
R-
R-
43
3
G+
G+
44
3
G-
G-
46
3
B+
B+
47
3
B-
B-
49
3
CLK+
CK+
50
3
CLK-
CK-
52
VDVI
REXT
R403 390
1/16W
 
66
REFP
C401
0.1uF
67
REFM
69
6
CSZ
CSZ
71
6
SCL
SCL
70
6
SDA
SDA
32
6
HWRESET
HWRESETZ
72
6
INT
INT
73
2
AdjBACKLITE
PWM0
74
6
Volume
PWM1
C402 22pF
33
XIN
X401
14.318MHz
34
XOUT
C403 22pF
C404
0.1uF
3
BY PASS
2
AVSS_LPLL
PA[0..9]
4
PA[0..9]
PB[0..9]
4
PB[0..9]
2
VDPLL
VPO
VDD
PA0
102
LVA3P
PA1
103
LVA3M
PA2
106
LVACKP
PA3
107
LVACKM
PA4
108
LVA2P
109
PA5
LVA2M
PA6
110
LVA1P
111
PA7
LVA1M
PA8
112
LVA0P
113
PA9
LVA0M
PB0
118
NC/LVB3P
PB1
119
NC/LVB3M
PB2
120
NC/LVBCKP
PB3
121
NC/LVBCKM
122
PB4
NC/LVB2P
PB5
123
NC/LVB2M
124
PB6
NC/LVB1P
PB7
125
NC/LVB1M
128
PB8
NC/LVB0P
PB9
1
NC/LVB0M
MST8111B
30
ADO/NC
77
AD1/NC
78
AD2/NC
31
AD3/NC
6
BUS TYPE/NC
PA0
LVA3P
LVA3M
PA1
LVACKP
PA2
LVACKM
PA3
LVA2P
PA4
LVA2M
PA5
LVA1P
PA6
LVA1M
PA7
PA8
LVA0P
PA9
LVA0M
PB0
LVB3P
PB1
LVB3M
PB2
LVBCKP
PB3
LVBCKM
PB4
LVB2P
PB5
LVB2M
LVB1P
PB6
PB7
LVB1M
PB8
LVB0P
PB9
LVB0M
VCC3.3
FB401
VPO
VCC3.3
600 OHM
C405
+
10uF/16V
C406
C407
C408
0.1uF
0.1uF
0.1uF
PA[0..9]
PA[0..9]
5
PB[0..9]
PB[0..9]
5
VCC5V
VCC3.3
AD0
6
AD1
6
R402
AD2
6
AD3
6
4.7K
R401
NC
R402
R401
Direct Bus
NC
4.7K
4.7K
NC
3-WIRE
LVB0M
LVB1M
LVB2M
LVBCKM
LVB3M
LVA0M
LVA1M
LVA2M
LVACKM
LVA3M
C509
+
22uF/16V
21
EN7220 Service Manual
2
VCC2.5
C409
C410
C411
C412
C413
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
2
VAA1
2
VAA2
2
VAA3
 
1/16W
2
VAA4
CN503
RXO0-
1
2
RXO1-
3
4
RXO2-
5
6
RXOC-
7
8
RXO3-
9
10
RXE0-
11
12
RXE1-
13
14
RXE2-
15
16
RXEC-
17
18
RXE3-
19
20
21
22
23
24
CON24A
VLCD
C510
0.1uF
VCC2.5
FB402
VDD
600 OHM
C414
+
10uF/16V
C415
C416
C417
C418
0.1uF
0.1uF
0.1uF
0.1uF
VAA1
FB403
VAD
600 OHM
C419
+
10uF/16V
C420
C421
0.1uF
0.1uF
VAA2
FB404
VPLL
600 OHM
C422
+
10uF/16V
C423
0.1uF
VAA3
FB405
VDVI
600 OHM
C424
+
10uF/16V
C425
C426
0.1uF
0.1uF
VAA4
FB406
VDPLL
600 OHM
C427
+
10uF/16V
C428
0.1uF
RXO0+
LVB0P
RXO1+
LVB1P
RXO2+
LVB2P
RXOC+
LVBCKP
RXO3+
LVB3P
RXE0+
LVA0P
RXE1+
LVA1P
RXE2+
LVA2P
RXEC+
LVACKP
RXE3+
LVA3P
R502
0
 
1/16W
VLCD
2
C511
0.1uF

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