Read Sharp LL-T1500A (serv.man14) Service Manual online
3-2. MANUAL SCREEN ADJUSTMENT
If fine adjustment of the screen is necessary, use the adjustment
diskette (for Windows) supplied with the monitor to adjust the screen
manually. If you want to fine adjust computers whose OS is other
than Windows, follow the instructions on the screen.
diskette (for Windows) supplied with the monitor to adjust the screen
manually. If you want to fine adjust computers whose OS is other
than Windows, follow the instructions on the screen.
1. OUTLINE OF ADJUSTMENT
Every time the MENU button is pressed, the screen is switched
over as follows:
over as follows:
It changes.
On all the MENU screens, the resolution of the input signal, vertical
synchronizing frequency (V), horizontal synchronizing frequency
(H) appear at the lower part of the screen in rough values.
synchronizing frequency (V), horizontal synchronizing frequency
(H) appear at the lower part of the screen in rough values.
The values of "R-CON, G-CONT. B-CON" on the MENU 3 screen
are indicated only when "WHITE BALANCE" is in the USER.
are indicated only when "WHITE BALANCE" is in the USER.
On the MENU 4 screen, you can select menu options, but the
display status might not change, depending upon the resolution of
the input signal.
display status might not change, depending upon the resolution of
the input signal.
Select the menu option you want to adjust, using the SELECT
button. Every time the button is pressed, the highlight moves
downward.
button. Every time the button is pressed, the highlight moves
downward.
Adjust or switch over using or button.
[CAUTION]
If the button operation is suspended for about 15 seconds dur-
ing adjustment, the menu on screen will disappears.
ing adjustment, the menu on screen will disappears.
Screen adjustment needs to be performed whenever the screen
mode (resolution, refresh rate and others) has been changed. The
adjustment results are automatically stored in memory and effective
after the power is turned off. Therefore, once the screen is adjusted
properly, there is no need to adjust the screen every time you use the
monitor.
mode (resolution, refresh rate and others) has been changed. The
adjustment results are automatically stored in memory and effective
after the power is turned off. Therefore, once the screen is adjusted
properly, there is no need to adjust the screen every time you use the
monitor.
2. HOW TO USE ADJUSTMENT PROGRAM
The following explanation is written on the assumption that the OS
is Windows 95/98.
In addition, the floppy disk drive is assumed to be drive A.
is Windows 95/98.
In addition, the floppy disk drive is assumed to be drive A.
START
Insert the "Adjustment diskette" supplied with the monitor into
drive A.
drive A.
Open "3.5" FD (A:)" in the "My computer".
(In the case of Windows 3.1, open the "File manager" and
select drive A.
(In the case of Windows 3.1, open the "File manager" and
select drive A.
Double click "Adj_Uty.exe" to start the adjustment program.
ADJUSTMENT
The adjustment pattern as shown on the right sketch appears
on screen and adjust, following the instructions on the screen.
on screen and adjust, following the instructions on the screen.
END
When the adjustment is completed, press ESC key on the
keyboard to exit the adjustment program.
keyboard to exit the adjustment program.
[CAUTION]
If your computers display mode is 65000 colors, the gradation of each
color of the color pattern might look different or gray scales look
tinted. It is not a problem, but due to the specification of the input
signal.
color of the color pattern might look different or gray scales look
tinted. It is not a problem, but due to the specification of the input
signal.
3. ADJUSTMENT ITEMS
[MENU 1] ADJUSTMENT
Adjust "CLOCK", 2PHASE", "H-POs" and V-POs".
MANUAL: Adjust manually. (Select the adjustment item you want
to adjust using the SELECT button.)
AUTO:
The automatic screen adjustment function works to ad-
just "CLOCK", "PHASE", "H-POs" and "V-POs" auto-
matically to optimal values.
During the adjustment, the screen becomes dark and
indicates ADJUSTING.
just "CLOCK", "PHASE", "H-POs" and "V-POs" auto-
matically to optimal values.
During the adjustment, the screen becomes dark and
indicates ADJUSTING.
Menu 1 (ADJUSTMENT)
Menu 2 (GAIN CONTROL)
Menu 3 (WHITE BALANCE)
Menu 4 (MODE SELECT)
Menu is deleted.
Menu 1
[
]
A
A
A
A
A
C
C
D
E
H
H
J
K
L
M
M
N
N
L
O
O
O
P
P
S
S
S
T
T
T
U
U
U
V
1
2
5
1
4
6
7
8
3
2
9 8
3
1
1
0
0
0
0
x
-
O
P
S
-
E
]
]
]
]
]
]
]
]
]
]
]
]
H
V
6 0
:
H z
8
H z
k
: 4
N
G
B
C
O
H T
R
O
I
L
C
R
T
O
[
]
A
A
A
GA I
L
M
O
N
T
O
T
C
R OL
U
U
N
1
2
6
7
4
6
7
8
4
2
6
2
0 K
1 6 M
0
x
N
]
]
]
]
]
H
V
6 0
:
H z
8
H z
k
: 4
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
C
•
O
R
W
O
R
H
-
I
N T
ON T
C
B
O
L
- C
U
G
C
-
ON T
B
E
S
R
A N
E
C
L
M
T E
A
•
WA
S
D
T
[
]
1
2 4
6
7
8
0
x
H
V
6 0
:
H z
8
H z
k
: 4
Menu 2
Menu 3
Menu 4
Menu is deleted.
Color pattern
Display frame
White and black
lines alternate.
lines alternate.
[
]
A
A
A
A
A
C
C
D
E
H
H
J
K
L
M
M
N
N
L
O
O
O
P
P
S
S
S
T
T
T
U
U
U
V
1
2
5
1
4
6
7
8
3
2
9 8
3
1
1
0
0
0
0
x
-
O
P
S
-
E
]
]
]
]
]
]
]
]
]
]
]
]
H
V
6 0
:
H z
8
H z
k
: 4
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