Schematic Diagrams - ViewSonic Q9b-2 Service Manual

10. Schematic Diagrams

CN1
VGA_HS
1
VGA_VS 3
CON_DET
5
SHIELD 7
DDC_SCL
9
DDC_SDA 11
DDC_5V
13
PIN HERAD 7X2 PH=2.0mm
GHS
R15
NC
ViewSonic Corporation
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DB_B+
2
4
6 DB_G+
8
DB_R+
10
12
14
DDC_VDD
L2
B1206/600
+ C3
47u/16V
DGND
D3
5.6V
DGND ADC_GND
R8
100
R9
100
D6 D7 R10 R11
5.6V 5.6V 2.7k 2.7k C8
22p
DGND DGND
3.3V
C11
0.1u
DGND
U1
74LCX14
1 14
D0 VCC
2 13
Q0 D5
3 12
D1 Q5
4 11
Q1 D4
5 10
D2 Q4
6 9
Q2 D3
R17 NC
7 8
GND Q3
DGND
DGND
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DB_B+
DDC_SDA
DDC_SCL
D4
5.6V
DGND DB_G+
VGA_DET
R7
1k C6
0.1u
DGND
GVS
GHS
C9
22p DB_R+
DGND
GVS
VSI
HSI
C12 C13
22pF 22pF
DGND
Q9b-2
ADC_VAA
C1
1 2
0.1uF
ADC_GND
D1
BAV99
R1
L1
B0805/80
C2 R2
22pF 75
R3
ADC_GND
ADC_VAA
C4
1 2
0.1uF
D2 ADC_GND
BAV99
R4
L3
B0805/80
C5 R5
22pF 75
R6
ADC_VAA
ADC_GND
C7
1 2
0.1uF
D5 ADC_GND
BAV99
R12
L4
B0805/80
C10 R13
22pF 75
R14
ADC_GND
ViewSonic Corporation
Model
Title
Date
100
B_IN+
100
B_IN-
SOGI
100
G_IN+
100
G_IN-
100
R_IN+
100
R_IN-
VGA IN
Rev: