Read Sharp LL-T1820 (serv.man3) Service Manual online
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LL-T1820-H/B CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
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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 com-
puter are switched off.
• Be careful not to overly bend the cable or add extension
cords as this could lead to malfunction.
Cable storage
If necessary, excess cable can be housed in the stand.
1.
Remove the cover.
Gently pull the top of the cover towards yourself.
Gently pull the top of the cover towards yourself.
2.
Run cable along the back of the stand.
Pass cable in front of the stand, and then bring it through the back.
• If the display is to be rotated, first house the cables with the dis-
play in the long height position, so there is sufficient length when
the display is turned.
3.
Refit the cover.
Be careful not to pinch the cable.
• If the cover is hard to refit, do not force it. Check whether cables
are trapped.
Caution: If the display is to be rotated, first house the cable, and then
check while gently turning the display. If it cannot be turned,
rehouse the cable with sufficient slack. (If there is insufficient
cable length, rotation will be impossible. Forcing rotation may
cable length, rotation will be impossible. Forcing rotation may
cause cable disconnection.)
CONNECTING THE MONITOR TO A COMPUTER
Connecting the monitor to a computer using the accessory signal cable.
• This monitor has two input terminals to enable connection to two
computers. The monitor comes with one analog signal and one digital
signal cable. If both connections are analog, or both are digital, you
will need another signal cable sold separately.
will need another signal cable sold separately.
• Digital signal cable: model name NL-C01E
• Analog signal cable: model name NL-C02E
Analog RGB connection
Using the accessory analog signal cable, connect to the analog RGB
output terminal of 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 (to be purchased separately) to the ana-
log signal cable.
Input terminal 1 and 2
You can connect to
either side.
You can connect to
either side.
Analog RGB output
terminal
terminal
Analog signal cable
Macintosh conversion adapter
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LL-T1820-H/B CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
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Digital RGB connection
Using the accessory digital signal cable, connect with the digital RGB
output terminal of the computer.
output terminal of the computer.
• 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 not work correctly.)
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.
Set the monitor as follows when establishing a digital connection with a
Power Mac using an ADC-DVI adapter made by Belkin. (Operation has
Power Mac using an ADC-DVI adapter made by Belkin. (Operation has
been checked with the Power Mac G4 M7627J/A)
• Perform settings with the Power Mac power supply off.
1.
After connecting the power cord, turn on the monitor’s main power.
2.
Press the
e
button and
d
button simultaneously, and while doing
this press the POWER button (i.e. turn the power on).
3.
Set the input terminal to which the Belkin ADC-DVI adapter is con-
nected to ON.
Use the SELECT button to select [INPUT1] or [INPUT2], and use
the
e d
buttons to select [ON] and [OFF].
• Do not set to [ON] if you are not using a Belkin ADC-DVI adapter,
as this may result in incorrect display.
4.
Press the power button, and turn off the monitor power.
This completes setting.
CONNECTING THE MONITOR TO A POWER SOURCE
CONNECTING A USB DEVICE
This monitor is equipped with a USB standard (Rev. 1.1) self-powered
hub.
Downstream (2 ports)
Each of these ports enables connection of a USB device with working
current up to 500 mA.
Upstream (1 port)
This enables connection of a USB compatible computer or USB hub.
Notes: • If a USB cable is required, please use the one included.
• Before connecting, ensure that the shape of the USB cable
connector is correct.
• For information regarding the USB function (such as set-up)
please refer to the operation manual of the computer to be
connected.
• Some computers, OS and other devices may not be able to
be activated. To ascertain a certain device’s USB compatibil-
ity, please contact the manufacturer of the device.
Input terminal 1 and 2
You can connect to
either side.
You can connect to
either side.
Digital RGB output
terminal
terminal
Digital signal cable
Power terminal
AC outlet
Power cord
Upstream
USB cable
Downstream
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TURNING THE POWER ON
1.
Turn on the main power of the monitor.
• When switching the main power switch on and off, always wait
for an interval of at least 5 seconds. Rapid switching may result
in malfunction.
2.
Press the monitor’s POWER button.
The power LED will light up orange.
3.
Turn on the computer.
When a signal is input from the computer, the power LED lights up
green, and the screen is displayed (After power is turned on, it may
green, and the screen is displayed (After power is turned on, it may
take a little time until the screen is displayed.)
• If the input terminal to which the computer is connected has not
been selected, the screen will not be displayed. If necessary,
perform input terminal switching. (right column)
perform input terminal switching. (right column)
Notes: (when using an analog signal)
• If using the monitor for the first time or after having changed the sys-
tem settings during use, perform an automatic screen adjustment.
• 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 settings so
not be able to display properly. In this case, change the settings so
that only the monitor is displaying.
CHANGING BETWEEN INPUT TERMINALS
Use the INPUT button to switch between signal input terminals.
The input signal type (ANALOG/DIGITAL) is displayed within angle
brackets < >.
TURNING THE POWER OFF
1. Turn the computer off.
2. Press the monitor’s POWER button.
The Power LED will disappear.
If the monitor will not be used for a long time, turn off the main power
switch of the monitor, and remove the power plug from the outlet.
Main power switch
ON
Press power button
Turn on the computer
power supply.
INPUT-1
< >
INPUT-2
< >
INPUT
Input terminal 1
Input terminal 2
Turn the computer off
OFF
Press power button
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2. INSTRUCTIONS FOR ATTACHING A VESA COMPLIANT ARM
An arm or stand based on the VESA standard (purchased separately)
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.
Remove the cable.
2.
Spread out a soft cloth on a suitable horizontal surface.
3.
Being careful not to damage the monitor, gently lay the monitor on it
display-side down.
display-side down.
Caution: Securely grasp both the display and stand, and gently tip over.
When the monitor is inclined, the stand may suddenly pop out
and cause injury.
4.
Remove the four screws and then remove the stand from the moni-
tor.
tor.
Notes: • The stand is specially made for use with this monitor. Once
having removed the stand, never attempt to attach it to
another device.
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. Using different screws could lead to a
the original screws. Using different screws could lead to a
malfunction.
Caution: Do not disassemble the stand. Parts may spring out and cause
injury.
5. 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 lead to malfunction or may
attached. Using different screws could lead to malfunction or may
lead to the monitor falling off,internal damaged,personal injury.
8 - 10mm
Screw used to attach arm
Arm
Part of monitor to which arm is attached
