ViewSonic VE710b-4 Service Manual page 74

10. Schematic Diagrams (VE710s-4/VE710b-4/VA721) 10.1. Power (Realtek Scaler CPT Panel)
3V3_PANEL
R180
10K
onPanel_3V3
R184
NC
C168
100nF
P105
L111 200R 2A
1
2
3
L112 200R 2A
4
L113 200R 2A
5
6
7
8
9
CON9 C185 C173 C174
NC/100nF NC/100nF
+
NC/22uF/16V
3V3
Q107
MMBT3906
2 3
R190
R191
10K
2K7
1
R192
1K
D116,D117 0 OHM 1206 (AU)
ViewSonic Corporation
Q104 Q105
AP2305 2SA1020
2 3 12V
2
VLCD
R181
1
4K7
R182 R183
220
4.7K 0805
3
Q106
1 1
onPanel_12V
2
MMBT3904
R185
NC
C169
100nF
12V
12V
3V3 C170
5.0V
3V3_PANEL 100nF
(AU)
Mute
Volume
R187 NC/1K8 C171 C172
+
100nF
C175 22uF/16V
100nF
VCPU
C180 C181
100nF 22uF/16V
3
Q108
MMBT3906
2
PC5V
D116 D117
PC5V
IN4148 IN4148
71
VE710s-4_VE710b-4
Confidential - Do Not Copy
3
VLCD_12V
Q105, Q109, R181, R183, R185
R196
4.7K 0805
3
Q109
2
MMBT3904
R186 100
onBacklight
R188 1K
AdjBACKLITE
3V3
C176 +
47uF/16V
NC (AU )
SOT-223
3V3 I106
1
VIN VOUT
2
ADJ
C164 + C166
47uF/16V 100nF CM2860-2.5V
R189 0R 0805
VCC3V3
I107
3 4
IN VO
1 2
GND VO
C178 C177 + C179
NC
100nF 47uF/16V 100nF
2V5
3
C165 + C167
47uF/16V 100nF
RTD 3DVCC
3DVCC
TMDS_3AVCC
ADC_ 3AVCC
RTD 3PVCC