58
E
Troubleshooting
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.
• Is the power cord disconnected? (See page 16.)
• Is the main power switch off? (See page 19.)
• Is the monitor in standby mode (the power LED illuminating
in orange)? (See page 19.)
• Make sure correct input mode is selected. (See page 21.)
• If any external equipment is connected, make sure the
equipment is operating (playing back).
Remote control does not work.
• Are the batteries inserted with polarity (+,-) aligned? (See
page 18.)
• Are the batteries exhausted?
• Point the remote control unit toward the remote control
sensor. (See page 18.)
• Is the menu display hidden or is operation disabled? (See
page 37.)
• Is the PN-ZR01A (optional) remote control sensor box
disconnected? (See Page 15.)
• If the main unit is connected to multiple monitors, is the RS-
232 cable disconnected? Has the ID No. been set?
Sound from left and right speakers is reversed.
Sound is heard from only one side.
• Are audio cables connected properly?
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?
Unstable video.
• The signal may be incompatible.
• Try the automatic screen adjustment when the
D-SUB[RGB] or DVI-I (analog) are used.
The video from the PC/AV HDMI input terminal does not
appear properly.
• Is the setting for HDMI of INPUT SELECT on the SETUP
menu correct? (See page 29.)
• 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 page
62.)
The video from the DVI-I input terminal does not appear
properly.
• Is the setting for EDID SELECT (DVI-I) of INPUT SELECT
on the SETUP menu correct? (See page 29.)
• Is the input signal compatible with this monitor? (See page
62.)
• Turn off the power to the connected equipment and then
turn the power on again.
• If the monitors are connected in a daisy chain, turn off the
power to all the monitors connected in a daisy chain and
then turn the power on again.
The video from PC/AV D-Sub input terminal does not
appear correctly.
• Is the setting for D-SUB of INPUT SELECT on the SETUP
menu correct? (See page 29.)
• Is the input signal compatible with this monitor? (See page
62.)
The video from the DisplayPort does not appear properly.
• Is the input signal compatible with this monitor? (See page
62.)
A black frame is displayed around an image generated
from the HDMI input terminal.
• Is the over-scan setting of your graphics card correct? Set
the graphics card properties.
Control buttons do not work.
There is no picture.
• Load noises from outside may be interfering with normal
operation. Turn off the power and turn it on after waiting at
least 5 seconds, and then check the operation.
The input mode changes automatically.
• When the AUTO INPUT CHANGE is ON and no signal
is present in a selected input mode, the AUTO INPUT
CHANGE automatically changes the selected mode to a
mode where a video signal is present.
The input mode may change in the following cases:
- When a computer is in standby mode.
- When video play is stopped with a playback device.
Power LED flashes red.
“STATUS [xxxx]” appears in the corner of the screen.
• Hardware has a problem. Turn off the monitor and request
repair from your SHARP dealer.
(When STATUS ALERT is set to OSD & LED. This varies
depending on the setting.)
When “AUTO DIMMING” is displayed.
• When the internal temperature of the monitor rises
excessively, the brightness of the backlight automatically
decreases in order to prevent a further temperature rise. If
you attempt to use
to adjust the brightness while
the monitor is in this state, “AUTO DIMMING” is displayed
and you cannot change the brightness.
• Remove the cause of the excessive temperature rise.
The monitor makes a cracking sound.
• You may occasionally hear a cracking sound from the
monitor. This happens when the cabinet slightly expands
and contracts according to change in temperature. This
does not affect the monitor’s performance.
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