ViewSonic VE155B - 15" LCD Monitor Service Manual page 27

10.2. MVZ
VCC
I103
AP1117 3.3V
L104 200
3 2
VIN VOUT
R085 C114
C116 NC 22u / 16V
22u / 16V
R084
+3.3V
0
R079
3.3K
R125 100
3 RESET_MASCOT
R126 NC
3 RESET
R127 100
3 SCL
R128 100
3 SDA
3 IRQ-
VCC
PLL-VDD
I104
AP1117 3.3V
L105 200
3 2 C117
VIN VOUT
10uF/50V
C119 C118
22u / 16V
22u / 16V
3.3-ANA
L106 200
C121
10uF/50V
GND 1
Vout 2 Vout 3.3-PLL
Vin 3
L107 200
SOT-223
C126
10uF/50V
1 PA-VSYNC
1 PA-HSYNC
1 SOGI
C132
0.1u
3.3-PLL
1 PA-BLUE
1 PA-GREEN
1 PA-RED
PLL-VDD
I110
C134 R137 75 TL431
Vref=2.5V
0.1u
C139 C140
1 0.1u 10uF/50V
+
R142
GND
0
TRACE> 30 MILS
ViewSonic Corporation
+3.3V
R114 10K
R116 10K
C115 R117 10K
220uF/ 16V
R080 3.3K
R124
R186
10K
1K/NC
1
DIBVDD
2
CAP_HREF
3
CAP_HSYNC
4
CAP_VSYNC
5
DIBVSS
6
BLU_INB_0
7
BLU_INB_1
8
BLU_INB_2
9
BLU_INB_3
10
BLU_INB_4
11
BLU_INB_5
12
BLU_INB_6
13
BLU_INB_7
14
DCVDD
15
GRN_INB_0
16 I001
GRN_INB_1
17
GRN_INB_2
18
GRN_INB_3
19
GRN_INB_4 Mascot VZ
20
GRN_INB_5
21
GRN_INB_6
22
GRN_INB_7
23
DCVSS
24
RED_INB_0
25
RED_INB_1/UV1
26
RED_INB_2
27
RED_INB_3
28
RED_INB_4
29
RED_INB_5
30
RED_INB_6
31
RED_INB_7
32
DIBVDD
33
DVDD
34
DVSS
35
DTEST
36
DVCC
37
DGND
38
VGA_VSYNC
39
VGA_HSYNC
40
SOGI
C138
C137
C135 150p 5600p C136 0.01u 4700p
50VNPO J 50V X7R K
C141 C143
C142
4700p 0.01u 4700p
3.3-ANA
C144 C145 C146
0.1u 0.1u 0.1u
R086 NC
24
R112 22/NC
R113 22
R115 22
OE3
OE2
R118 22/NC
CPH2
R119 22/NC
R120 4.7K
R121 3.3K
R122 80
R123 22
R077 100
GB[0..7]
RB[0..7]
+3.3V
BB[0..7]
120
DOBVSS
119 BB7
BLU_OUTB_7
118 BB6
BLU_OUTB_6
BB5
117
BLU_OUTB_5
BB4
116
BLU_OUTB_4
115
DOBVDD
114 BB3
BLU_OUTB_3
113 BB2
BLU_OUTB_2
112 BB1
BLU_OUTB_1
111 BB0
BLU_OUTB_0
110
DOBVSS
RA[0..7]
109 RA7
RED_OUTA_7
108 RA6
RED_OUTA_6
107 RA5
RED_OUTA_5
106 RA4
RED_OUTA_4
105
DCVDD
RA3
104
RED_OUTA_3
RA2
103
RED_OUTA_2
RA1
102
RED_OUTA_1
101 RA0
RED_OUTA_0
100
DCVSS
GA[0..7]
99 GA7
GRN_OUTA_7
98 GA6
GRN_OUTA_6
97 GA5
GRN_OUTA_5
96 GA4
GRN_OUTA_4
95
DOBVDD
94 GA3
GRN_OUTA_3
GA2
93
GRN_OUTA_2
GA1
92
GRN_OUTA_1
GA0
91
GRN_OUTA_0
90
DOBVSS
BA[0..7]
89 BA7
BLU_OUTA_7
88 BA6
BLU_OUTA_6
87 BA5
BLU_OUTA_5
86 BA4
BLU_OUTA_4
85
DOBVDD
84 BA3
BLU_OUTA_3
83 BA2
BLU_OUTA_2
82 BA1
BLU_OUTA_1
81 BA0
BLU_OUTA_0
R133 80
INV1 4
R135 22
R139 80
STH8
R140 22/NC
R141 80
R143 22
I113
R087 NC
P2781
1 8
XIN/CLK VDD
2 7
XOUT FS0
3 6
R144 1M
FS1 MOD
4 5
LF VSS
R088
NC
X101 12MHZ R091 1.2k
R090
R092
0 R089
0
NC
C147 C148 C090
22p 22p 680pf C091
6800pf
VE155s, VE500-2
Confidential – Do Not Copy
VE155/b, VA520-2
STV1 4
CPV 4
TP1
TP2
TP3
CPHA
PWM0 3
PWM1 3
INV2 4
VDDCTRL 3
BLT_ON 3
4
4
C162 NC
CPH2
4
+3.3V
C163 0.1u
4
C120 0.1u
C122 0.1u
C123 0.1u
C124 0.1u
4
C125 0.1u
C127 0.1u
C128 0.1u
4
C129 0.1u
C130 0.1u
C131 0.1u
R078 80 R134 0
CPHA
CPH1 4
POL 4
C133
C161 NC
22P
LP
4
STH1 4
TP6
DA1 C45 R44 I3
+3.3V