LL-T1500A (serv.man14). Chapter 3 Connection, Adjustment, Operation Function - Sharp Monitor Service Manual (repair manual). Page 5

Read Sharp LL-T1500A (serv.man14) Service Manual online

USER
You can adjust the color of the screen more finely, using R-CONT,
G-CONT, and B.CONT.
R-CONT: The   button makes the color of the screen more red-
dish; the   button makes the color of the screen more
blue-greenish.
G-CONT: The   button makes the color of the screen more green-
ish; the   button makes the color of the screen more
purplish.
B-CONT: The   button makes the color of the screen more bluish;
the   button makes the color of the screen more yel-
lowish.
When the mode is set to "COOL" or "WARM", you cannot
display all gradations. If you want to display all gradations, set
the mode to "STD."
[MENU 4] MODE SELECT
Select the adjustment option you want to adjust using the SELECT
button and adjust each mode of the monitor.
OSD H-POSITION (OSD screen horizontal position)
Adjust the horizontal position (lateral direction) of the adjustment
menu on the screen.
You can move the menu to the right by pressing the   button and
to the left by pressing the  button.
OSD V-POSITION (OSD screen vertical position)
Adjust the vertical position (vertical direction) of the adjustment
menu on the screen.
You can move the menu upward by pressing the   button and
downward by pressing the   button.
400LINE (resolution)
Adjust the horizontal resolution of the 400-line screen for the PC-
9800 series or US TEXT.
[640] : 640 x 400 dot mode
[720] : 720 x 400 dot mode (for US TEXT and others)
SHARPNESS: (enlarged correction level)
The screen whose display mode is less than 1024 x 768 dots
appears in an enlarged size (1. Corresponding signal timing)
You can select the sharpness of an enlarged image from three
levels (HIGH, MEDIUM, LOW).
4. Adjusting backlight brightness
When the   or   button is pressed with no adjustment menu dis-
played on screen, the BRIGHT menu appears on screen. You can
adjust the brightness of the backlight on this menu.
The 
button makes the backlight brighter and the   button makes it
darker.
5. ALL RESET
You can return all the settings to the factory settings using the proce-
dure given below.
Turn off the power of the monitor using the power button on its
front.
Press and hold the MENU and SELECT buttons, press the power
button on the front of the monitor to turn it on.
The message  ALL RESET  appears on screen and the monitor
is reset.
Note: While  ALL RESET  appears on screen, any button opera-
tion is invalid.
6. Adjustment lock function
To protect the settings and adjusted values from the wrong operation,
set the adjustment lock.  If the adjustment lock is activated, no menu
screen won’t appear on screen so that you cannot set or change the
settings.
Adjustment lock ON: Press and hold the MENU button and turn
on the power button on the front of the
monitor.
Adjustment lock OFF: Turn off the power button on the front of the
monitor. Press and hold the MENU button,
turn on the power button on the front of the
monitor.
When the adjustment lock is ON, you cannot carry out any button
operation without the power button.
3-3. APPLICABLE SIGNAL TIMING
Display mode
Horizontal
frequency
Vertical
frequency
Dot
frequency
VESA
(IBM AT
c o m p a t i b l e
machines)
640 x 400
31.5kHz
70Hz
25MHz
640 x 480
31.5kHz
60Hz
25.175MHz
37.9kHz
72Hz
31.5MHz
37.5kHz
75Hz
31.5MHz
800 x 600
35.1kHz
56Hz
36.0MHz
37.9kHz
60Hz
40.0MHz
48.1kHz
72Hz
50.0MHz
46.9kHz
75Hz
49.5MHz
1024 x 768
48.4kHz
60Hz
65.0MHz
56.5kHz
70Hz
75.0MHz
60.0kHz
75Hz
78.75MHz
US TEXT
720 x 400
31.5kHz
70Hz
28.3MHz
 Power Macintosh
640 x 480
35.0kHz
67Hz
30.5MHz
832 x 624
49.7kHz
74.6Hz
57.3MHz
1024 x 768
60.2kHz
75Hz
80.0MHz
All signal timings are applicable for non-interlace only.
The frequencies for Power Macintosh are reference values.
When you want to connect this monitor to Power Macintosh, you
might need to use a commercial Macintosh conversion adapter.
[CAUTION]
·
If any signal timing not applicable to this monitor is inputted, the
message  OUT OF TIMING  appears on screen for about 5 sec-
onds before the screen becomes blank.
If this is the case, set the monitor to one of the applicable signal
timings, referring to the Instruction Manual of your computer.
·
If no signal (synchronizing signal) is inputted to this monitor, the
message  NO SIGNAL  appears on screen for about 5 seconds
and then the screen becomes blank.
0
H -
S
O
M
 
O
S
0
V -
P
O D
S
R
D
T
A
4
P
I
 
S
N
O
I
 
S
E
S
 
H
O
P
T
I
S
L
S
N
I
N
 
G
I
H
E
M D
U
I
M
O
L
W
H
 
E
N
O
I
0
4
6
0
2
7
[
]
1
2 4
6
7
8
0
x
H
V
6 0
:
 
H z
OD
S
L
E
T
C
E
E
8
H z
k
: 4
Page of 6
Display

Click on the first or last page to see other LL-T1500A (serv.man14) service manuals if exist.