Sharp LL-T15A4 Service Manual ▷ View online
LL-T15A4
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
2 – 1
CHAPTER 2. CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
1. CONNECTING THE MONITOR AND TURNING THE MONITOR ON AND OFF
Caution:
• When connecting, ensure that both the monitor and computer are switched off.
• Be careful not to overly bend the cable or add extension cords as this could lead to a malfunction.
1-1. CONNECTING THE MONITOR TO A COMPUTER
• Paying attention to connector direction, firmly insert the signal cable
to terminal, and then tighten the screws at both sides.
If connecting to a D-sub 15 pin 2 row Apple Power Macintosh, attach a
Macintosh conversion adapter (commercially available) to the analog
signal cable.
Note: When connecting to a notebook, if the notebook computer's
screen is set to display at the same time, the MS-DOS screen
may not be able to display properly. In this case, change the set-
tings to display only on the monitor.
■
■
■
■
Connect the accessory audio cable
When the accessory audio cable is connected to the audio output termi-
nal of the computer, the sound of the connected computer is output
from the monitor speakers. You can also use the headphone jack of the
display.
1-2. CONNECTION OF HEADPHONES
(COMMERCIALLY AVAILABLE)
Headphones (commercially available) can be connected.
Note: When the headphones are connected, no sound can be heard
from the monitor speakers.
1-3. CONNECTING THE MONITOR TO A POWER
SOURCE
1-4. TURNING THE POWER ON
1. Press the monitor's POWER button.
2. Turn on the computer.
The power LED will be lit green, and the screen will display an
image.
Note:
• If using the monitor for the first time or after having changed the
system settings during use, perform an automatic screen adjust-
ment.
• Depending on the computer or OS, you may need to install the
monitor set-up information on your system. If so, follow the steps
below to install the monitor set-up information.
below to install the monitor set-up information.
Analog RGB terminal
(Mini D-sub 15 pin, 3 row)
(Mini D-sub 15 pin, 3 row)
Analog signal cable
Macintosh conversion adapter
Audio input terminal
Audio output terminal
Audio cable
Headphone terminal
Headphones
Power terminal
o
AC outlet
Power cord
ON
Turn on the
computer
computer
Press power button
LL-T15A4
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
2 – 2
1-5. TURNING THE POWER OFF
1.
Turn the computer off.
2.
Press the monitor's POWER button.
The Power LED will disappear.
If the monitor is not going to be used for a long period of time, be sure to
unplug it from the AC outlet.
1-6. INSTRUCTIONS FOR ATTACHING A VESA
COMPLIANT ARM
An arm or stand based on the VESA standard (commercially available)
can be attached to the monitor.
Procurement of the arm or stand is at the customer's discretion.
Procurement of the arm or stand is at the customer's discretion.
When choosing the arm to be installed please take note of the following
points.
• The arm should be compatible with the VESA standard, and there
must be a gap of 75mm x 75mm between the screw holes on the
section to be attached.
section to be attached.
• The arm must not fall off or break off after being attached to the
monitor.
1.
Ensure that both the monitor and computer are switched off.
2.
Unplug the power cord from the AC outlet.
3.
Remove the analog signal cable and the audio cable from the com-
puter.
puter.
4.
Press down on the stand and gently fold back the monitor.
• Be careful not to allow your fingers to be pinched.
• Do not overly bend the cable or add extension cords as this could
lead to malfunction.
5. Being careful not to damage the monitor, spread out a soft cloth and
lay the monitor on it display-side down.
6. Attach the arm to the monitor with four screws.
Note: The screws used to attach the arm should be M4 screws with a
length of 8 mm ~ 10 mm protruding from the surface to be
attached. Using different screws could cause the monitor to fall off
or to be internally damaged.
7. Connect the analog signal cable, the audio cable and power cord.
The stand may be removed.
1. Turn off the monitor, and remove the analog signal cable, the audio
cable and the power cord from the monitor.
2. Being careful not to damage the monitor, spread out a soft cloth and
lay the monitor on it display-side down.
3. Remove the four screws and then remove the stand from the moni-
tor.
Caution: Be careful not to get your fingers piched between the display
and stand nor to let the stand drop. There could lead to injury.
Note:
• The stand is specially made for use with this monitor. Once hav-
ing removed the stand, never attempt to attach 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 origi-
nal screws.
Using different screws could lead to a malfunction.
4. Follow instruction no.6 to attach the arm to the monitor, then con-
nect the analog signal cable, the audio cable and the power cord.
OFF
Press power button
Turn the
computer off
computer off
8~10mm
Screw used to attach arm
Arm
Part of monitor to which arm is
attached
Part of monitor to which arm is
attached
LL-T15A4
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
2 – 3
2. ADJUSTMENT
2-1. ADJUSTMENT METHOD
6) Version display (for service)
Power ON
Display the software version.
Press the above two buttons at same time, and while turn the power
on.
on.
7) Aging (for service)
Power ON
Press the
d
button, Screen color is changed as following.
Green
3
Blue
3
Gray
3
White
3
Light Red
3
Light Green
3
Pink
3
Red
When the test is terminate, Power off
MENU
MENU
MENU
4) Adjusting the backlight and speaker volume
buttons (Press the
button and select "BRIGHT" or "VOLUME".)
5) Setting display mode
button (STD, OFFICE, VIVID)
1) Resetting all adjustment values
Power ON
Power ON
Press the above two buttons at same time, and while turn the power on.
2) ADJUSTMENT menu reset
Press the two buttons at same time.
3) Adjustment lock function
While pressing the MENU button, turn the power on.
6) Screen adjustment
MENU
ADJUSTMENT
AUTO
CLOCK
PHASE
H-POS
V-POS
AUTO
MENU
GAIN CONTROL
BLACK LEVEL
CONTRAST
MENU
(COOL STD
WHITE BALANCE
WARM USER)
R-CONTRAST
CONTRAST
(R/G/B)
(R/G/B)
G-CONTRAST
B-CONTRAST
MENU
MODE SELECT
MENU
MENU
buttons
buttons
buttons
buttons
buttons
buttons
buttons
buttons
buttons
buttons
OSD H-POSITION
OSD V-POSITION
SCALING
buttons
buttons
buttons
COLORS
buttons
LANGUAGE
buttons
END
/MODE
/MODE
/MODE
/MODE
/MODE
/MODE
/MODE
/MODE
/MODE
/MODE
/MODE
/MODE
/MODE
/MODE
/MODE
/MODE
/MODE
/MODE
MENU
d
<VERSION & CHECK SUM>
VERSION
: 1.01 (200XXXXX)
CHECK SUM : OK XXXX
c
/MODE
e
AGING TEST
>
: SET
MENU :
END
LL-T15A4
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
2 – 4
2-2. ADJUSTMENT ITEM LIST
BUTTON
ITEM
ADJUSTMENT
DESCRIPTION
MENU
MENU 1:
ADJUSTMENT
ADJUSTMENT
MANUAL
CLOCK
0~255
CLOCK: Adjust so that vertical flicker noise is not emit-
ted. (
e d
buttons)
MENU 1
4
MENU 2
4
MENU 3
4
MENU 4
4
MENU END
PHASE
0~31
PHASE: Adjust so that horizontal flicker noise is not
emitted. (
e d
e d
e d
e d
buttons)
H-POS
0~400
H-POS (horizontal positioning) and
V-POS (vertical positioning)
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. (
the screen, adjust the left-right (H-POS) values and
the up-down (V-POS) values. (
e d
e d
e d
e d
buttons)
V-POS
0~100
AUTO
Automatic screen adjustment
Options in the ADJUSTMENT Menu can be adjusted
automatically
(CLOCK, PHASE, H-POS V-POS).
automatically
(CLOCK, PHASE, H-POS V-POS).
MENU 2:
GAIN CONTROL
GAIN CONTROL
MANUAL
BLACK LEVEL
0~63
BLACK LEVEL: Total screen brightness can be adjusted
while watching the color pattern.
(
(
e d
buttons)
CONTRAST
0~100
CONTRAST:
While watching the color pattern,
adjustments can be made so that all
graduations appear. (
adjustments can be made so that all
graduations appear. (
e d
e d
e d
e d
buttons)
AUTO
GAIN CONTROL Menu
AUTO: Every menu option is automatically adjusted
using the Auto Gain Control function.
MENU 3:
WHITE BALANCE
WHITE BALANCE
COOL • STD • WARM
(5 levels),
USER R • G • B: 0~100
(5 levels),
USER R • G • B: 0~100
WHITE BALANCE Menu
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:
e
button for blue-green
d
button for red
G-CONTRAST:
e
button for purple
d
button for green
B-CONTRAST:
e
button for yellow
d
button for blue
MENU 4:
MODE SELECT
MODE SELECT
OSD H-POSITION
(OSD horizontal position)
(OSD horizontal position)
The position of the OSD display can be moved to the
left and right. (
left and right. (
e d
buttons)
OSD V-POSITION
(OSD vertical position)
(OSD vertical position)
The position of the OSD display can be moved up and
down. (
down. (
e d
buttons)
SCALING
(Level of scaling)
(Level of scaling)
LOW • HIGH
SCALING (Level of scaling)
Adjusts the image to optimum sharpness when Screen
expansion is taken. (
Adjusts the image to optimum sharpness when Screen
expansion is taken. (
e d
buttons)
COLORS
260K (approx. 260,000)
16M (approx. 16.19million)
16M (approx. 16.19million)
Maximum display colors can be set. (
e d
buttons)
LANGUAGE
8 countrys
DEUTSCH, ENGLISH,
ESPANOL, FRANCAIS,
ITALIANO, NETHER-
LAND, SVENSKA,
JAPANESE
DEUTSCH, ENGLISH,
ESPANOL, FRANCAIS,
ITALIANO, NETHER-
LAND, SVENSKA,
JAPANESE
LANGUAGE
Messages displayed on the screen and OSD Menu
contents can be changed to the following languages.
contents can be changed to the following languages.
Dutch, English, French, German, Spanish, Italian,
Swedish, Japanese.
Swedish, Japanese.
c
/MODE
Select the item
STD, OFFICE, VIVID
Setting display mode when the ADJUSTMENT Menu is
not displayed.
STD:
not displayed.
STD:
Displays an image at a brightness level set in
“Adjusting the backlight”.
“Adjusting the backlight”.
OFFICE:Displays an image at a brightness level of at
least half the maximum brightness by setting
the value of the backlight to “10” (This setting
saves power.)
the value of the backlight to “10” (This setting
saves power.)
VIVID:
Displays an image with dynamic and vivid pri-
mary colors.
mary colors.
e d
Volume: 0~100
Bright: 0~31
Bright: 0~31
Adjusting the backlight and speaker volume
POWER OFF
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