ViewSonic VP150M Service Manual - Page 32

ViewSonic VP150M - 15" LCD Monitor Manual

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ViewSonic September 2000 - Version 1.0 THEORY OF CIRCUIT OPERATION Service Manual VP150m Symbol G_OUT4_E VDD G_OUT5_E G_OUT6_E G_OUT7_E GND GND G_OUT0_O G_OUT1_O G_OUT2_O G_OUT3_O VDD G_OUT4_O G_OUT0_O G_OUT0_O G_OUTO_O GND GND B_OUT0_E B_OUT1_E B_OUT2_E B_OUT3_E B_OUT4_E B_OUTS_E B_OUT6_E VDD VDD B_OUT7_E GND B_OUT0_O B_OUT1_O B_OUT2_O B_OUT3_O VDD B_OUT4_O B_OUT5_O B_OUT6_O B_OUT7_O GND R_IN00 Pin Number 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 I/O Description O Output Color Green Even Pixel (left pixel) Power Supply O Output Color Green Even Pixel (left pixel) O Output Color Green Even Pixel (left pixel) O Output Color Green Even Pixel (left pixel) Ground Ground O Output Color Green Odd Pixel (right pixel) O Output Color Green Odd Pixel (right pixel) 0 Output Color Green Odd Pixel (right pixel) 0 Output Color Green Odd Pixel (right pixel) Power Supply O Output Color Green Odd Pixel (right pixel) O Output Color Green Odd Pixel (right pixel) O Output Color Green Odd Pixel (right pixel) O Output Color Green Odd Pixel (right pixel) Ground Ground O Output Color Blue Even Pixel (left pixel) O Output Color Blue Even Pixel (left pixel) O Output Color Blue Even Pixel (left pixel) O Output Color Blue Even Pixel (left pixel) O Output Color Blue Even Pixel (left pixel) O Output Color Blue Even Pixel (left pixel) O Output Color Blue Even Pixel (left pixel) Power Supply Power Supply O Output Color Blue Even Pixel (left pixel) Ground 0 Output Color Blue Odd Pixel (right pixel) O Output Color Blue Odd Pixel (right pixel) 0 Output Color Blue Odd Pixel (right pixel) O Output Color Blue Odd Pixel (right pixel) Power Supply O Output Color Blue Odd Pixel (right pixel) O Output Color Blue Odd Pixel (right pixel) O Output Color Blue Odd Pixel (right pixel) O Output Color Blue Odd Pixel (right pixel) Ground I Channel A Data Input Color Red (LSB) Confidential - Do Not Copy Page 31

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ViewSonic
September
2000
-
Version
1.0
Service
Manual
VP150m
THEORY
OF
CIRCUIT
OPERATION
Symbol
Pin
Number
I/O
Description
G_OUT4_E
66
O
Output
Color
Green
Even
Pixel
(left
pixel)
VDD
67
Power
Supply
G_OUT5_E
68
O
Output
Color
Green
Even
Pixel
(left
pixel)
G_OUT6_E
69
O
Output
Color
Green
Even
Pixel
(left
pixel)
G_OUT7_E
70
O
Output
Color
Green
Even
Pixel
(left
pixel)
GND
71
Ground
GND
72
Ground
G_OUT0_O
73
O
Output
Color
Green
Odd
Pixel
(right
pixel)
G_OUT1_O
74
O
Output
Color
Green
Odd
Pixel
(right
pixel)
G_OUT2_O
75
0
Output
Color
Green
Odd
Pixel
(right
pixel)
G_OUT3_O
76
0
Output
Color
Green
Odd
Pixel
(right
pixel)
VDD
77
Power
Supply
G_OUT4_O
78
O
Output
Color
Green
Odd
Pixel
(right
pixel)
G_OUT0_O
79
O
Output
Color
Green
Odd
Pixel
(right
pixel)
G_OUT0_O
80
O
Output
Color
Green
Odd
Pixel
(right
pixel)
G_OUTO_O
81
O
Output
Color
Green
Odd
Pixel
(right
pixel)
GND
82
Ground
GND
83
Ground
B_OUT0_E
84
O
Output
Color
Blue
Even
Pixel
(left
pixel)
B_OUT1_E
85
O
Output
Color
Blue
Even
Pixel
(left
pixel)
B_OUT2_E
86
O
Output
Color
Blue
Even
Pixel
(left
pixel)
B_OUT3_E
87
O
Output
Color
Blue
Even
Pixel
(left
pixel)
B_OUT4_E
88
O
Output
Color
Blue
Even
Pixel
(left
pixel)
B_OUTS_E
89
O
Output
Color
Blue
Even
Pixel
(left
pixel)
B_OUT6_E
90
O
Output
Color
Blue
Even
Pixel
(left
pixel)
VDD
91
Power
Supply
VDD
92
Power
Supply
B_OUT7_E
93
O
Output
Color
Blue
Even
Pixel
(left
pixel)
GND
94
Ground
B_OUT0_O
95
0
Output
Color
Blue
Odd
Pixel
(right
pixel)
B_OUT1_O
96
O
Output
Color
Blue
Odd
Pixel
(right
pixel)
B_OUT2_O
97
0
Output
Color
Blue
Odd
Pixel
(right
pixel)
B_OUT3_O
98
O
Output
Color
Blue
Odd
Pixel
(right
pixel)
VDD
99
Power
Supply
B_OUT4_O
100
O
Output
Color
Blue
Odd
Pixel
(right
pixel)
B_OUT5_O
101
O
Output
Color
Blue
Odd
Pixel
(right
pixel)
B_OUT6_O
102
O
Output
Color
Blue
Odd
Pixel
(right
pixel)
B_OUT7_O
103
O
Output
Color
Blue
Odd
Pixel
(right
pixel)
GND
104
Ground
R_IN00
105
I
Channel
A
Data
Input
Color
Red
(LSB)
Confidential
—
Do
Not
Copy
Page
31