Schematic Diagrams - ViewSonic VA1930wm-1 Service Manual

10. Schematic Diagrams

VCC5V D101
SKS20-04AT
+
C103
0.1/50V
VCC5V
PANEL_ENABLE
R105
4
CN105
1
2
3
4
5
6
7
8
2x4P 2.0mm
From keypad
ViewSonic Corporation
U101 VCC3.3
FS8860-33PJ
3 2
VIN VOUT
+
U102
FS8860-18PJ
3 2
VIN VOUT
VLCD
2 3
Q101
AP2305GN
Q110
2N7002
+
1
20K Q103
1
PMBT3904
R106
+
10K
C161 C162
1000p/50V 1000p/50V
VG1930wm-1
Confidential - Do Not Copy
53
CN101
VCC3.3
4500-06
1
2
3
C104
4
0.1/50V
5
6
7
8
VCC1.8
VCC1.8
+
C106
0.1/50V
VLCD 4
LED_G//LED_O
C109
0.1/50V
LED_A//LED_B
LED_A//LED_B
LED_G//LED_O
POWER
MENU_UP//Key_Mute&▲
DOWN_EXIT//Key_▼&2
KEY_1
VCC5V
VCC5V
ON/OFF
SBRI
ON/OFF
R110
VOL_C
MUTE_C
VCC3.3
2
R163
1K
1
Q105
3
390 PMBT3906
R107
VCC3.3
2
R162 1K
1
Q102
3
R101 390
PMBT3906
VCC3.3
R108
4K7
4K7
CCFL_ENABLE
1
Q106
PMBT3904
R190
4K7
LED_G_C
R191
4K7
LED_A_C
ViewSonic Corporation
Model
Title
DC to DC
Date Rev: