ViewSonic VP150M Service Manual - Page 40

MTV112E, functions, VP150m, below

Get ViewSonic VP150M - 15inch LCD Monitor PDF manuals and user guides
UPC - 766907700619
View all ViewSonic VP150M manuals
Add to My Manuals
Save this manual to your list of manuals

Page 40 highlights

ViewSonic September 2000 - Version 1.0 THEORY OF CIRCUIT OPERATION Service Manual VP150m The MTV112E pin functions of VP150m are list below PIN# 1 2 3 4 5 6 7 8 9 10 11 12 Name P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6/ADD P1.7/AD1 RST HSCL HSDA ISDA 13 HSYNC 14 ISCL 15 VSYNC 16 HBK/P4.1 17 VBK/P4.0 18 X2 19 X1 20 VSS 21 P2.0/INTO 22 P2.1 23 P2.2 24 P2.3 25 D13/P2.4 TYPE I/O O O O O O O 0 I N.C. N.C. I/O I O I N.C. O O I I/O I/O I Description One/two Pixel select N.C. Power switch of +5V and VLCD Mute Control Clamp Select V-Sync polarity Select Inverter enable AM101-1 Rest signal MPU Rest signal SCL of I2C for DDC SDA of I2C for DDC SDA of I2C for communication with 24C08, MTV118, ICS1531 H-Sync input SCL of I2C for communication with 24C08, MTV118, ICS1531 V-Sync input Separated V-Sync signal from composite sync Oscillator output Oscillator input Negative Power Supply (GND) Reserve SDA of I2C for communication with AM101-1 SCL of I2C for communication with AM101-1 Reserve `+" key Confidential - Do Not Copy Page 39

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
ViewSonic
September
2000
-
Version
1.0
Service
Manual
VP150m
THEORY
OF
CIRCUIT
OPERATION
The
MTV112E
pin
functions
of
VP150m
are
list
below
PIN#
Name
TYPE
Description
1
P1.0
I/O
One/two
Pixel
select
2
P1.1
O
N.C.
3
P1.2
O
Power
switch
of
+5V
and
VLCD
4
P1.3
O
Mute
Control
5
P1.4
O
Clamp
Select
6
P1.5
O
V
-Sync
polarity
Select
7
P1.6/ADD
O
Inverter
enable
8
P1.7/AD1
0
AM101-1
Rest
signal
9
RST
I
MPU
Rest
signal
10
HSCL
N.C.
SCL
of
I
2
C
for
DDC
11
HSDA
N.C.
SDA
of
I
2
C
for
DDC
12
ISDA
I/O
SDA
of
I
2
C
for
communication
with
24C08,
MTV118,
ICS1531
13
HSYNC
I
H
-Sync
input
14
ISCL
O
SCL
of
I
2
C
for
communication
with
24C08,
MTV118,
ICS1531
15
VSYNC
I
V
-Sync
input
16
HBK/P4.1
N.C.
17
VBK/P4.0
O
Separated
V
-Sync
signal
from
composite
sync
18
X2
O
Oscillator
output
19
X1
I
Oscillator
input
20
VSS
-
Negative
Power
Supply
(GND)
21
P2.0/INTO
-
Reserve
22
P2.1
I/O
SDA
of
I
2
C
for
communication
with
AM101-1
23
P2.2
I/O
SCL
of
I
2
C
for
communication
with
AM101-1
24
P2.3
Reserve
25
D13/P2.4
I
`+"
key
Confidential
—
Do
Not
Copy
Page
39