Read Sharp LL-T155A (serv.man2) Service Manual online
Adjustment option 2: SUB MENU
TO MAIN MENU (switching to MAIN MENU)
Press the or button to switch over to MAIN MENU.
AUTO BALANCE
Press or button to function AUTO BALANCE so that the contrast is
automatically optimized. The monitor is factory adjusted for the optimal
automatically optimized. The monitor is factory adjusted for the optimal
condition. However, the adjustment of the contrast may be required
depending on the type of the computer connected. If contrast adjust-
ment is required, use the color pattern in the adjustment program.
ment is required, use the color pattern in the adjustment program.
Note: There is a possibility that you cannot optimize the contrast
depending on the video output level of the computer used.
COLOR
Use the or button to set the maximum number of colors that can
be displayed (approx. 16 million or approx. 260 thousand colors)
be displayed (approx. 16 million or approx. 260 thousand colors)
16M: approx. 16 million colors
260K: approx. 260 thousand colors
BRIGHTNESS
Use the or button to adjust the brightness of the entire screen.
Press the button to darken and the button to brighten.
RED, GREEN, BLUE
Press the or button to adjust the brightness of each of the
red, green and blue colors.
red, green and blue colors.
CONTRAST
Press the or button to adjust the contrast of the entire screen. Use
the color pattern of the adjustment program so that all tones can be
the color pattern of the adjustment program so that all tones can be
displayed. Press button to make it weaker and the button to make
stronger.
RED, GREEN, BLUE
Press the or button to adjust the contrast of each of the red,
green and blue colors.
green and blue colors.
1. Signal timing list
Display mode
VESA
(IBM AT
compatible
machines and
PC9800 series)
(IBM AT
compatible
machines and
PC9800 series)
640 x 480
31.5 kHz
60 Hz
25.175 MHz
37.9 kHz
72 Hz
31.5 MHz
37.5 kHz
75 Hz
31.5 MHz
800 x 600
35.1 kHz
56 Hz
36.0 MHz
37.9 kHz
60 Hz
40.0 MHz
48.1 kHz
72 Hz
50.0 MHz
46.9 kHz
75 Hz
49.5 MHz
1024 x 768
48.4 kHz
60 Hz
65.0 MHz
56.5 kHz
70 Hz
75.0 MHz
60.0 kHz
75 Hz
78.75 MHz
PC-9800 series
640 x 400
24.8 kHz
56 Hz
21.053 MHz
31.5 kHz
70 Hz
25.175 MHz
US TEXT
720 x 400
31.5 kHz
70 Hz
28.3 MHz
Power Macintosh
640 x 480
35.0 kHz
67 Hz
30.5 MHz
382 x 624
49.7 kHz
74.6 Hz
57.3 MHz
1024 x 768
60.2 kHz
75 Hz
80.0 MHz
Non-interlace support only.
The frequencies listed for Power Macintosh are reference values.
For connecting this monitor to Power Macintosh, the conversion
adapter is required.
However, Power Macintosh G3 (Blue & White) model does not
require any conversion adapter.
If a signal timing that is not supported by this monitor is entered, the
message "OUT OF RANGE" 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 man-
ual of the computer used.
message "OUT OF RANGE" 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 man-
ual of the computer used.
2. Connector pin layout
15-pin mini D-sub connector
Pin No.
Function
1
Red video signal input
2
Green video signal input
3
Blue video signal input
4
GND
5
GND
6
GND for red video signal
7
GND for green video signal
8
GND for blue video signal
9
N.C.
10
GND for synchronizing signal
11
GND
12
DDC data
13
Horizontal synchronizing signal input
14
Vertical synchronizing signal input
15
DDC clock
Input connector
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