Acer AL502 Service Manual - Page 5

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Acer AL502 Service Manual
Tabl e 1
Mode
No
1.
247
2.
102
3.
103
4.
182
5.
173
6.
109
7.
104
8.
116
9.
110
10.
117
11.
108
12.
118
13.
217
14.
157
15.
141
Atten tion :
1. Wh en resolu tion be y on d 1024 x 768 is in pu tted, resolu tion is lowered with Do wn scalin g to 1024 x 768, an d
in dicat ed, an d OSD sh ou ld in di cate OUT of Ran g e.
9.3 User Con trol
9.3.1 Relate d ports of I303
Port
Pin No.
P1.5
7
P1.1
3
P1.0
2
P1.3
5
P1.2
4
Page 4
Resolution
VGA 720 x 350 70Hz
VGA 720 x 400 70Hz
VGA 640 x 480 60Hz
MAC 640 x 480 66Hz
VESA 640 X 480 72Hz
VESA 640 X 480 75Hz
VESA 800 x 600 56Hz
VESA 800 x 600 60Hz
VESA 800 x 600 75Hz
VESA 800 x 600 72Hz
MAC 832 x 624 75Hz
VESA 1024 x 768 60Hz
SUN 1024 x 768 65Hz
VESA 1024 x 768 70Hz
VESA 1024 x 768 75Hz
I/O
Signal name
I
POWER
I
DOWN
I
UP
I
-
I
+
H-freq
Band Width
(KHz)
(MHz)
31.47
28.322
31.47
28.322
31.47
25.175
35
32.24
37.86
31.5
37.5
31.5
35.16
36
37.88
40
46.88
49.5
48.08
50
49.72
57.283
48.36
65
52.45
70.49
56.48
75
60.02
78.75
Function
Power switch input
switch input
switch input
- switch input
+ switch input
A L 502
Polarity
H
V
+
-
-
+
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
-
-
-
-
-
-
-
-
+
+
Remarks
Power ON , OFF
control
(
) key
(
) key
( - ) key
( + ) key
Ci rcu i t D escri p ti on