Sharp LL-T18A1 Service Manual ▷ View online
LL-T18A1
OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION
1 – 4
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Standing up and adjusting the monitor
Caution:
• Pressure from hands on the LCD panel could cause damage.
• Be careful not to allow your fingers to be pinched.
• Be careful not to place any objects on the cables.
Doing so may result in disconnection or other problems.
Standing up the monitor
Press down on the stand and lift up the top section of the monitor.
Folding up the monitor
1.
Remove the AC adapter and the cable.
2.
If carrying out adjustments to the monitor, place it upright.
3.
While pressing the rear lock disable button (1), gently fold back the
monitor (2).
Angle adjustment
Adjust to an easy to view angle.
• Do not use the monitor when tilted back beyond approximately 15°.
The monitor may fall over leading to injury or malfunction.
(2)
(1)
approx. 15
approx. 45
approx. 45
Prohibited range
approx. 15
LL-T18A1
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
2 – 1
CHAPTER 2. CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
1. CONNECTION
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
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Analog RGB connection
Connect this device’s analog signal cable to the 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.
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Digital RGB connection
Connecting the monitor to a computer via a Digital signal cable. (to be
purchased separately)
purchased separately)
• For digital RGB connection, the monitor has an input for connecting to
a computer with a DVI-compatible output connector (DVI-D 24 pin or
DVI-I 29 pin) and SXGA output capability.
(Depending on the type of computer to be connected, the display may
(Depending on the type of computer to be connected, the display may
not work correctly.)
• Paying attention to connector direction, firmly insert the signal cable
to terminal, and then tighten the screws at both sides.
1-2. Connecting the monitor to a power source
1. Connect the AC adapter to the monitor's power terminal.
2. Attach the power cord to the AC adapter and place the power plug
into the AC outlet.
Caution: After unplugging the AC adaptor or power cord, be sure to wait
at least 10 seconds before plugging in again. If you put the
plug back in immediately after unplugging, damage may be
caused and the screen malfunction or not display.
1-3. 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: (When using an analog signal)
• If using the monitor for the first time or after having changed the
system settings during use, perform an automatic screen adjust-
ment.
ment.
• When connecting to a notebook, if the notebook computer's screen
is set so that it is displaying at the same time, the MS-DOS screen
may not be able to display properly. In this case, change the set-
may not be able to display properly. In this case, change the set-
tings so that only the monitor is displaying.
Analog RGB terminal
(Mini D-sub 15 pin, 3 row)
(Mini D-sub 15 pin, 3 row)
Analog signal cable
Macintosh conversion adapter
DVI-D input terminal
(DVI-D24 pin)
(DVI-D24 pin)
Digital signal cable
Digital RGB output
terminal (DVI-D 24
pin or DVI-I29 pin)
terminal (DVI-D 24
pin or DVI-I29 pin)
AC adapter
Power terminal
Power cord
AC outlet
Press power button
Turn on the
computer
ON
LL-T18A1
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
2 – 2
1-4. Changing between input terminals
Use the INPUT button to switch between signal input terminals.
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.
Arms or stands able to be used
Attachments must satisfy the following.
• Compatible with the VESA standard
• Have a gap of 100 mm x 100 mm between the screw holes on the
section to be attached
• Not be likely to fall off or break off after being attached to the monitor.
How to attach the arm or stand
• Be careful not to overly bend the cable or add extension cords as this
could lead to malfunction.
• While following these instructions, please also refer to the installation
instructions in the operation manual included with the arm or stand.
1.
Ensure that both the monitor and computer are switched off.
2.
Remove the AC adapter and the signal cable.
3.
Remove the stand cover.
Pull the lower section of the stand cover upward.
4. Being careful not to damage the monitor, spread out a soft cloth and
lay the monitor on it display-side down.
5. Remove the four screws and then remove the stand from the moni-
tor.
Note:
• The stand is specially made for use with this monitor. Once having
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 original
screws.
screws.
Using different screws could lead to a malfunction.
6. Attach the arm to the monitor with the 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
Using different screws could cause the monitor to fall off or to be
internally damaged.
7. Connect the AC adapter and the signal cable.
INPUT
INPUT
INPUT-2 (DIGITAL)
INPUT-1 (ANALOG)
Analog RGB input terminal
Digital RGB input terminal
Turn the
computer off
OFF
Press power button
Stand cover
Screw used to attach arm
Arm
Part of monitor to which arm is attached
8~10mm
LL-T18A1
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
2 – 3
2. ADJUSTMENT
2-1. ADJUSTMENT METHOD
5) Version display (for service)
Power ON
Display the software version.
6) Aging (for service)
Power ON
Each color is displayed in order automatically.
When the test is terminate, Power off
When the test is terminate, Power off
MENU
MENU
3) Adjusting the backlight
buttons
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 lock function
While pressing the MENU button, turn the power on.
4) Screen adjustment
MENU
ADJUSTMENT
(Analog)
(Analog)
(Analog)
(Analog)
(Analog)
AUTO
CLOCK
PHASE
H-POS
V-POS
AUTO
MENU
GAIN CONTROL
BLACK LEVEL
CONTRAST
MENU
(COOL STD
COLOR CONTROL
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
buttons
OSD H-POSITION
OSD V-POSITION
SCALING
buttons
buttons
buttons
INPUT
buttons
LANGUAGE
buttons
END
COLOR MODE (sRGB STD VIVID)
WHITE BALANCE
400 LINES
buttons
e
c
d
MENU
c
e
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