Schematic Diagrams - ViewSonic VS11661 Service Manual

8. Schematic Diagrams

VCC5V
D101
SKS20-04AT
VCC5V
R101
Panel_Enable
R101,C110,R108
change value
Backlight_ON/OFF
R112
ViewSonic Corporation
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3,4 VCC3.3
U101 VCC3.3 U102
AP1084K33LA LD1117AL-1.8V
3 2 3
VIN VOUT VIN VOUT
+
Q101
AP2305GN
2 3
R106
4K7
1
Q103
33K 2N7002
1 Q104
PMBT3904
C110
4.7u/10V
VCC3.3
100
1
CCFL_Enable 4
Q106
PMBT3904
54
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manuals search engine
CN102
VCC1.8
2
VCC1.8 4
2x4P 2.0mm
From keypad
VLCD
VLCD 4
LED_A
R105
+
c108 change form
100u to 220u
LED_G
R109
Adjust_Brightness
VCC5V CN101
1
1
2
2
3
3
4
4
Backlight_ON/OFF
5
5
Adjust_Brightness
6
6
7
4 Volume 7
8
4 Mute
8
8P 2.0mm
VX2255wmh-4
VX2255wmb-4
1
MENU 4
2
RIGHT 4
3
LEFT 4
4
AUTO 4
LED_A
5
6
LED_G
7
8
POWER 4
VCC5V 10K
R139
2
R102 1K
LED_A_C 4
1
Q102
3
PMBT3906
470
VCC5V
R140
10K
2
R107 1K
LED_G_C 4
1
Q105
3
PMBT3906
R139,R105,R140,R109 change
470
value, LED pull high 5V
R110 4K7
Brightness_PWM 4
C111
NC/1u/16V
ViewSonic Corporation
Model
Title
DC to DC
Date Rev: