Troubleshooting - Sharp PN-K322B Operation Manual

If you are experiencing any problem with your display, before
calling for service, please review the following troubleshooting
tips.
There is no picture or sound.
• Are the AC adapter and power cord properly connected?
(See page 13.)
• Is the main power switch off? (See page 15.)
• Is the monitor in standby mode (power lamp is off)? (See
page 15.)
• Make sure correct input mode is selected. (See page 16.)
• If any external equipment is connected, make sure the
equipment is operating (playing back).
Sound from left and right speakers is reversed.
Sound is heard from only one side.
• Are audio cables connected properly? (See page 12.)
There is a picture but no sound.
• Is the sound muted?
• Make sure the volume is not set to minimum.
• Are audio cables connected properly?
• Is the setting of AUDIO SELECT on the SETUP menu
correct? (See page 23.)
• Is the headphone (etc.) cable connected to the headphone
terminal?
The sound crackles.
• Turn down the volume.
With some input devices, the sound may crackle at high
volume.
Unstable video.
• The signal may be incompatible.
The video from the PC/AV HDMI input terminal does not
appear properly.
• Is the HDMI or HDMI DUAL setting correct in INPUT
SELECT on the SETUP menu? (See page 23.)
• Is the HDMI cable HDMI standard compliant? The monitor
will not work with cables that are not standard compliant.
• Is the input signal compatible with this monitor? (See pages
37 to 38.)
The video from DisplayPort input terminal does not
appear properly.
• Is the cable a certified DisplayPort cable? Use the supplied
cable. The monitor will not work unless a standards-compliant
cable is used.
• Is the input signal compatible with this monitor? (See page
37.)
The video does not appear properly even after the
DisplayPort STREAM setting is changed.
• Try restarting the monitor and computer.
• Is the video card MST (Multi Stream) compatible? If not, set
to SST (Single Stream).

Troubleshooting

The touch panel does not respond.
• Is the USB cable connected properly? (See page 12.)
• The touch panel may not work properly if the contact area
• Is the monitor in pen-only mode? Touch action is disabled
• Is the monitor in finger-only mode? You cannot touch the
• When there is no signal input to the LCD monitor, actions
• If you are using Windows XP or Windows Vista, did
• Is TOUCH OUTPUT SETTING set correctly in the SETUP
• Touch operation is not possible when screen motion
• When the computer is in sleep mode, wake-up by touch
• Are you trying to operate at a place on the screen that has
The response of the touch screen is slow.
Some parts of the screen do not respond.
• When starting your computer or connecting the USB cable,
• When starting the LCD monitor, do not touch the screen.
• While the touch mode icon is displayed, only touch actions
• There may be no response if the supplied touch pen is
Control buttons do not work.
There is no picture.
• Load noises from outside may be interfering with normal
• When you display the screen or clear the screen, the left
Power LED flashes red.
"STATUS [xxxx]" appears in the corner of the screen.
• Hardware has a problem. Turn off the monitor and request
is too large. (e.g. if the screen is touched with the palm of
your hand.) Try to only contact the touch screen with the
supplied pen or your fingertip.
in pen-only mode. (See page 18.)
screen with the touch pen when in finger-only mode. (See
page 18.)
on the touch panel are not possible. Please operate the PC
using the mouse and keyboard.
you install the touch panel driver? (Touch Panel Driver
Operation Manual)
menu? (See page 23.)
is enabled or when PbyP mode is set to ON. Set each
function to OFF.
operation may not be possible.
To enable wake-up by touch operation, settings must be
configured on the computer. For information on configuring
the settings, consult your dealer.
been continuously touched?
In that case, remove your hand or touch pen from the
screen, and then try again.
do not touch the touch panel.
If the screen is touched, the monitor may not function
correctly. In this situation, turn off the LCD monitor power,
wait 5 seconds or longer, and then turn the power on again.
for the icon can be performed. To perform other actions,
first close the icon display.
gripped in such a way that the tip is located near your palm.
In this situation, grip the pen so the tip is further extended
from the base of your hand.
operation. Turn off the power and turn it on after waiting at
least 5 seconds, and then check the operation.
and right screen display timing may be slightly off; however,
this is not a problem.
repair from your SHARP dealer.
(When STATUS ALERT is set to OSD & LED. This varies
depending on the setting.)
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