Read Sharp LL-T1810A (serv.man10) Service Manual online
INPUT (Input mode)
The input mode can be set (
buttons)
VESA: VESA mode
MAC:
Power Macintosh mode
400 LINES (degree of resolution)
You can specify the horizontal resolution of a 400-line screen when
using US text, etc. (
using US text, etc. (
buttons)
640
640 x 400 dot mode
720
720 x 400 dot mode (US text etc.)
Note: As the resolution input for other than 400 lines is done auto-
matically, there is no need to set it.
EXPAND (Screen expansion)
For display modes of less than 1280 x 1024 pixels, the display can
be expanded if desired.
be expanded if desired.
(
buttons)
OFF
Expansion off
ON
Expansion on
Notes:
•
Display modes of 1280 X 1024 pixels cannot be changed.
•
If a resolution of 1280 X 1024 pixels cannot be achieved
even after expansion is attempted, the screen’s perimeter
will display black. (This is not a malfunction.)
even after expansion is attempted, the screen’s perimeter
will display black. (This is not a malfunction.)
LEVEL (Level of scaling)
When EXPAND is ON, the sharpness of the image can be adjusted.
(
(
buttons)
Note: When EXPAND is OFF, no adjustments can be made.
Signal timings
Display mode
Hsync
Vsync
Dot
frequency
VESA
640 x 480
31.5kHz
60.0Hz
25.175MHz
37.9kHz
72.0Hz
31.5MHz
37.5kHz
75.0Hz
31.5MHz
43.3kHz
85.0Hz
36.0MHz
640 x 400
37.9kHz
85.0Hz
31.5MHz
720 x 400
37.9kHz
85.0Hz
35.5MHz
800 x 600
35.1kHz
56.0Hz
36.0MHz
37.9kHz
60.0Hz
40.0MHz
48.1kHz
72.0Hz
50.0MHz
46.9kHz
75.0Hz
49.5MHz
53.7kHz
85.0Hz
52.25MHz
1024 x 768
48.4kHz
60.0Hz
65.0MHz
56.5kHz
70.0Hz
75.0MHz
60.0kHz
75.0Hz
78.75MHz
68.7kHz
85.0Hz
94.5MHz
1152 x 864
67.5kHz
75.0Hz
108.0MHz
1280 x 960
60.0kHz
60.0Hz
108.0MHz
1280 x 1024
64.0kHz
60.0Hz
108.0MHz
80.0kHz
75.0Hz
135.0MHz
US text
720 x 400
31.5MHz
70.0Hz
28.3MHz
Display mode
Hsync
Vsync
Dot
frequency
Power
Macintosh
series
Macintosh
series
640 x 480
35.0kHz
66.7Hz
30.2MHz
832 x 624
49.7kHz
74.6Hz
57.3MHz
1024 x 768
60.2kHz
75.0Hz
80.0MHz
1152 x 870
68.7kHz
75.0Hz
100.0MHz
Sun Ultra
series
series
1024 x 768
48.3kHz
60.0Hz
64.13MHz
53.6kHz
66.0Hz
70.4MHz
53.6kHz
70.0Hz
74.25MHz
1152 x 900
61.8kHz
66.0Hz
108.01MHz
71.8kHz
76.1Hz
117.01MHz
1280 x 1024
71.7kHz
67.2Hz
117.01MHz
81.1kHz
76.0Hz
134.99MHz
Notes:
•
All are compliant only with non-interlace.
•
Frequencies for Power Macintosh and the Sun Ultra series
are reference values.
are reference values.
•
If the monitor is receiving timing signals that are not com-
patible, [OUT OF TIMING] will appear. Follow your com-
puter’s instruction manual to set the timing to be compatible
with the monitor.
patible, [OUT OF TIMING] will appear. Follow your com-
puter’s instruction manual to set the timing to be compatible
with the monitor.
•
If the monitor is not receiving any signal (synch signal), [NO
SIGNAL] will appear.
SIGNAL] will appear.
■
The connector pin
Input connector diagram (Mini D-sub connector with 15 pins)
Number
Function
1
Red video signal input
2
Green video signal input
3
Blue video signal input
4
GND
5
GND
6
For red video signal GND
7
For green video signal GND
8
For blue video signal GND
9
N.C.
10
GND
11
GND
12
DDC data
13
For Hsync signal input
14
For Vsync signal input
15
DDC clock
5
4
3
2
1
15
14
13
12
11
10
9
8
7
6
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