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Acer MW22 Service Manual page 39

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3. Electrical Characteristics
3.1 TFT LCD Module
The connector for display data & timing signal should be connected.
Item
Voltage of Power Supply
Differential Input
Voltage for LVDS
Receiver Threshold
LVDS
Differential input
Input
Characteri
stics
Input voltage range
(single-ended)
Common mode
Current of
Power
Supply
Vsync Frequency
Hsync Frequency
Main Frequency
Rush Current
Note (1) The ripple voltage should be controlled under 10% of V
MODEL
LTM220MT05
Symbol
High
Low
LVDS skew
t
|V
voltage
voltage
(a) Black
(b) White
(c) Dot
f
I
Doc. No
Min.
Typ.
V
4.5
5.0
DD
-
-100
-300
SKEW
|
200
ID
V
0
IN
0+
V
CM
|V
|/2
ID
-
1,500
I
-
900
DD
-
1,700
f
53
V
f
57.2
64.8
H
52.6
59.5
DCLK
-
RUSH
05-000-G-080902
Approval Specification
Approval Specification
Max.
Unit
5.5
V
-
+100
mV
-
-
mV
300
ps
600
mV
2.4
V
2.4-
1.2
V
|V
|/2
ID
-
mA
-
mA
1,900
mA
60
76
Hz
83.2
kHz
77.5
MHz
-
4.0
A
.
DD
Ta = 25°C
Note
(1)
(2)
(3)
(4)
(4)
(4)
(5),(6)
(7)
Page
12/39

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