Sharp LL-T1501A (serv.man12) Service Manual ▷ View online
H-POS (horizontal positioning) and V-POS (vertical positioning)
To center the screen image within the boundaries of the screen,
adjust the left-right (H-POS) values and the up-down (V-POS) values.
(
adjust the left-right (H-POS) values and the up-down (V-POS) values.
(
buttons)
[MENU 2: GAIN CONTROL]
BLACK LEVEL and CONTRAST are optimized before shipment, but
depending on the type of computer being used, further adjustment
may be necessary.
depending on the type of computer being used, further adjustment
may be necessary.
MANUAL: Individual menu options are manually adjusted.
AUTO:
Every menu option is automatically adjusted using the
Auto Gain Control* function,
Auto Gain Control* function,
Notes:
•
Press the button to select AUTO.
•
To choose a menu option: SELECT button
•
To go to MENU 3:
MENU button
* Auto Gain Control function
•
The Auto Gain Control adjusts contrast and black level based
on the brightest color of the image displayed. If you are not
using the Adjustment Pattern it is necessary to have an area of
5 mm x 5 mm of white displayed, and if not adjustments may
not be possible. (In such case, [OUT OF ADJUST] will appear
and setting values remain unchanged.)
on the brightest color of the image displayed. If you are not
using the Adjustment Pattern it is necessary to have an area of
5 mm x 5 mm of white displayed, and if not adjustments may
not be possible. (In such case, [OUT OF ADJUST] will appear
and setting values remain unchanged.)
•
To perform the Auto Gain Control function, first go to MENU 3
and set [WHITE BALANCE] to something other than [USER]. If
[USER] is set, Auto Gain Control will be disabled.
and set [WHITE BALANCE] to something other than [USER]. If
[USER] is set, Auto Gain Control will be disabled.
BLACK LEVEL
Total screen brightness can be adjusted while watching the color
pattern. (
pattern. (
buttons)
CONTRAST
While watching the color pattern, adjustments can be made so that all
graduations appear. (
graduations appear. (
buttons)
DISPLAY COLORS
Maximum display colors can be set.
260K (260,000) and 16M (16.19 million)
260K (260,000) and 16M (16.19 million)
[MENU 3: WHITE BALANCE]
WHITE BALANCE (color tone) can be adjusted as necessary. (As
adjustments are made before shipment, there is no real necessity for
further alteration.)
adjustments are made before shipment, there is no real necessity for
further alteration.)
Notes:
•
On settings other than [STD] not all graduations can be dis-
played. To display all graduations, set to STD.
played. To display all graduations, set to STD.
•
Selecting USER will display the setting values for [R-CON-
TRAST], [G-CONTRAST] and [B-CONTRAST], in order to
make fine adjustments.
TRAST], [G-CONTRAST] and [B-CONTRAST], in order to
make fine adjustments.
•
To choose a menu option: SELECT button
•
To go to MENU 4:
MENU button
COOL : Color tone bluer than standard
: Color tone slightly bluer than standard
STD
: Color tone standard setting
: Color tone slightly redder than standard
WARM : Color tone redder than standard
USER
R-CONTRAST :
button for blue-green
button for red
button for red
G-CONTRAST :
button for purple
button for green
button for green
B-CONTRAST :
button for yellow
button for blue
button for blue
[MENU 4: MODE SELECT]
Notes:
•
Depending on the resolution of the input signal, even if menu
options can be selected, the display may not change.
options can be selected, the display may not change.
•
To choose a menu option: SELECT button
•
When adjustment complete: MENU button
OSD H-POSITION (OSD horizontal position)
The position of the OSD display can be moved to the left and right.
(
(
buttons)
OSD V-POSITION (OSD vertical position)
The position of the OSD display can be moved up and down.
(
(
buttons)
Screen frame
Adjustment
Pattern
Pattern
[
]
A
A
A
GA I
L
M
O
N
T
O
T
C
O L
U
U
N
1
3
4
4
7
0
0
6
2
K
16 M
0
N
H
V
0
:
H z
8
H z
k
: 4
BLACK LEVEL
CONTRAST
DISPLAY COLORS
6
x
2
6 8
0
R
Color pattern
D •
•
O
WH I
C
B
O
L
U E
S
A N C
L
T E
A
S
WA
T
[
3
4
0
0
2
R-CONTRAST
G-CONTRAST
B-CONTRAST
]
1
4
6
7
0
H
V
0
:
H
8
H z
k
:
6
2
x
8
4
0
R
E
R M
z
0
H-
S
M
O
O
0
D
V-
P
O
SD
T
4
I
S E
C
E
N
O
I
E
O
P
I
S
L
N
I
G
I
H
O
L W
H
E
N
O
I
0
4
6
2
7
[
1
4
6
7
0
H
V
0
:
H
8
H z
k
:
S CAL I NG
]
6
2
x
8
4
S
T
D
S
O
L
T
z
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.
SCALING (Level of scaling)
The sharpness of the image can be adjusted.
(
(
buttons)
Note: Display modes of 1024 x 768 pixels cannot be changed.
4. INSTRUCTIONS FOR INSTALLING A
VESA COMPLIANT ARM
An arm or stand based on the VESA standard (purchased separately)
can be attached to the monitor. To install the arm an AC adapter
(purchased separately) is required.
can be attached to the monitor. To install the arm an AC adapter
(purchased separately) is required.
When choosing the arm to be installed take note of the following
points.
points.
•
The arm should be compatible with the VESA standard, and there
must be a gap of at least 75 mm x 75 mm between the screw
holes on the section to be attached.
must be a gap of at least 75 mm x 75 mm between the screw
holes on the section to be attached.
•
The arm must not fall off or break off after being attached to the
monitor.
monitor.
If an arm is attached, a USB hub cannot be used. (This is because
the arm is installed inside the monitor stand.)
the arm is installed inside the monitor stand.)
Please be careful not to hurt your fingers or injure yourself.
1.
Turn off the main power switch and remove the power plug.
2.
Remove the rear cover.
Place your hand on the upper opening of the rear cover 1 and pull it
upward 2.
upward 2.
3.
Remove the stand cover.
Pull the stand cover upward to remove it 3.
If removal is difficult, place a finger inside the lower opening 4
and lift it.
If removal is difficult, place a finger inside the lower opening 4
and lift it.
4.
Remove the connector cover.
Remove the screws and lift it upward.
Remove the screws and lift it upward.
5.
Remove the DC connector
.
6.
Remove the DC cord from its hook
.
7.
Remove the screws fixing the connector holder and remove the
connector holder
connector holder
.
8.
Remove the signal cable from the cord holder inside the stand
.
9.
Being careful not to damage the monitor, spread out a soft cloth
and lay the monitor on it display-side down.
and lay the monitor on it display-side down.
1
2
Rear cover
4
3
Stand cover
Connector cover
5
6
DC connector
7
8
10. Remove the four screws and then remove the stand from the
monitor.
Information: The stand is specially made for use with this monitor.
Once having removed the stand, never attempt to at-
tach it to another device.
tach it to another device.
Once having removed the screws, store them together
with the stand and if the stand is ever re-attached be
sure to use the original screws.
with the stand and if the stand is ever re-attached be
sure to use the original screws.
Using different screws could lead to malfunction.
11. Attach the arm to the monitor with four screws.
Information: The screws used to attach the arm should be M4
screws with a length of 4 ~ 6 mm protruding from the
surface to be attached. Using any other kind of screw
may lead to the monitor falling off or damage to the
internal part of the monitor.
surface to be attached. Using any other kind of screw
may lead to the monitor falling off or damage to the
internal part of the monitor.
12. Connect the AC adapter (purchased separately).
Connect the AC adapter’s DC plug to the AC adapter’s connec-
tion terminal
tion terminal
, and place the cord inside the cord hook
.
Coonect the power cord to the AC adapter
, and connect the
AC plug to the AC outlet
.
4~6mm
Screw used to attach arm
Arm
Part of monitor
to which arm is attached
Part of monitor
to which arm is attached
12
11
AC adapter connection
terminal
terminal
9
10
CHAPTER 3. DISASSEMBLY AND REASSEMBLY
[1] SEPARATING LCD FROM STAND
1. Pull the cover
rearward and remove.
2. Slide the rear arm
upward to remove.
3. Remove the screw
and remove the hinge cover A
.
4. Remove the four screws
and remove the inside cover
.
5. Remove the screw
and remove the clamp
.
6. remove the connector
and tie cable
.
7. Remove the four screws
securing the hinge. Now, the LCD
and stand can be separated from each other.
2
1
1
2
2
1
1
1
2
2
1
1
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