Read Sharp LL-T181A (serv.man3) Service Manual online
Signal timing list
Display mode
Horizontal
frequency
Vertical frequency
Dot frequency
Standard
Expansion
VESA (IBM AT
compatible machines
and PC-9800 series)
640 x 480
31.5 kHz
60.0 Hz
25.175 MHz
Centering
2.0 times
37.9 kHz
72.0 Hz
31.5 MHz
37.5 kHz
75.0 Hz
31.5 MHz
43.3 kHz
85.0 Hz
36.0 MHz
640 x 400
37.9 kHz
85.0 Hz
31.5 MHz
Centering
2.0 times
720 x 400
37.9 kHz
85.0 Hz
31.5 MHz
Centering
1.6 times
800 x 600
35.1 kHz
56.0 Hz
36.0 MHz
Centering
1.6 times
37.9 kHz
60.0 Hz
40.0 MHz
48.1 kHz
72.0 Hz
50.0 MHz
46.9 kHz
75.0 Hz
49.5 MHz
53.7 kHz
85.0 Hz
56.25 MHz
1024 x 768
48.4 kHz
60.0 Hz
65.0 MHz
Centering
1.25 times
56.5 kHz
70.0 Hz
75.0 MHz
60.0 kHz
75.0 Hz
78.75 MHz
68.7 kHz
85.0 Hz
94.5 MHz
1152 x 864
67.5 kHz
75.0 Hz
108.0 MHz
Centering
—
1280 x 960
60.0 kHz
60.0 Hz
108.0 MHz
Centering
—
1280 x 1024
64.0 kHz
60.0 Hz
108.0 MHz
—
—
80.0 kHz
75.0 Hz
135.0 MHz
PC-9800 series
640 x 400
24.8 kHz
56.4 Hz
21.053 MHz
Centering
2.0 times
31.5 kHz
70.0 Hz
25.175 MHz
US TEXT
720 x 400
31.5 kHz
70.0 Hz
28.3 MHz
Centering
1.6 times
Power Macintosh
640 x 480
35.0 kHz
66.7 Hz
30.2 MHz
Centering
2.0 times
832 x 624
49.7 kHz
74.6 Hz
57.3 MHz
1.5 times
1024 x 768
60.2 kHz
75.0 Hz
80.0 MHz
1.25 times
1152 x 870
68.7 kHz
75.0 Hz
100.0 MHz
—
Sun Ultra series
1024 x 768
48.3 kHz
60.0 Hz
64.13 MHz
Centering
1.25 times
53.6 kHz
66.0 Hz
70.4 MHz
56.6 kHz
70.0 Hz
74.25 MHz
1152 x 900
61.8 kHz
66.0 Hz
108.0 MHz
Centering
—
71.8 kHz
76.1 Hz
117.01 MHz
1280 x 1024
71.7 kHz
67.2 Hz
117.0 MHz
—
—
81.1 kHz
76.0 Hz
134.99 MHz
Non-interlace support only.
The frequencies listed for Power Macintosh and Sun Ultra series are reference values.
For connecting this monitor to Sun Ultra series, a proper conversion adapter may be required.
If a signal timing that is not supported by this monitor is entered, the message "OUT OF TIMING" appears on the screen for about 5 seconds. In
this case, set the computer for any of the signal timings that are supported by this monitor, referring to the Instruction manual of the computer
used.
this case, set the computer for any of the signal timings that are supported by this monitor, referring to the Instruction manual of the computer
used.
If no sync. signal is input to the monitor, [NO SIGNAL] appears on the screen for about 5 seconds.
Connector layout
15-pin mini D-sub connector
Terminal table
Terminal number
Symbol
Function
1
RED
Red video signal input
2
GREEN
Green video signal input
3
BLUE
Blue video signal input
4
GND
GND
5
RETURN
GND
6
RED RETURN
GND for red video signal
7
REEN RETURN
GND for green video signal
8
BLUE RETURN
GND for blue video signal
9
N.C.
10
SYNC RETURN
GND for sync. signal
11
GND
GND
12
SDA
DDC data
13
H SYNC
Horizontal sync. signal input
14
V SYNC
Vertical sync. signal input
15
SCL
DDC clock
Signal input terminal layout
5
4
3
2
1
15
14
13
12
11
10
9
8
7
6
