Troubleshooting - Sharp InGlass PN-LA862 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.
• Is the power cord disconnected? (See page 15.)
• Is the main power switch off? (See page 18.)
• Is the monitor in standby state (the power LED illuminating
in orange)? (See page 18.)
• Is an input mode selected that is appropriate for the input
terminal to which the cable is connected? (See pages 22
and 24.)
• 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 16.)
• Are the batteries exhausted?
• Point the remote control unit toward the monitor's remote
control sensor. (See page 16.)
• Is the menu display hidden or is operation disabled? (See
page 32.)
• Do the remote control numbers on the remote control unit
and on the monitor match?
Check the numbers on "INFORMATION". (See page 24.)
The remote control unit's buttons for operating the HDMI-
connected device do not work.
• Is "HDMI CEC LINK" set to "AUTO" under "INPUT" on the
ADMIN menu?
• Switch to a different input mode, and then try switching the
input mode back to HDMI.
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.
• If the top and bottom of the image are not horizontally
aligned, set "TOUCH PANEL MODE" on the TOUCH
PANEL menu to "OFF".
46
E

Troubleshooting

The video from the HDMI input terminal does not appear
properly.
• Does the HDMI cable support 4K, and is it HDMI standard
• Is the input signal compatible with this monitor? (See pages
• If the connected device does not support 4K, set "HDMI
The video from DisplayPort input terminal does not
appear correctly.
• Is the input signal compatible with this monitor? (See pages
• Does the DisplayPort cable support 4K, and is it
• Is it not connected to the DisplayPort output terminal?
• Restart the monitor and your computer.
• Does the video card support DisplayPort1.2?
Control buttons do not work.
There is no picture.
• Load noises from outside may be interfering with normal
The input mode changes automatically.
• When "CONNECT AUTO INPUT SELECT" is "ON", the
• When the "NO SIGNAL AUTO INPUT SEL." is "ON" and
• Is "HDMI CEC LINK" set to "AUTO" under "INPUT" on the
compliant? The monitor will not work with cables that are
not standard compliant.
51 and 52.)
MODES" to "MODE2".
51 and 52.)
DisplayPort standard compliant? The monitor will not work
with cables that are not standard compliant.
If it does not support DisplayPort1.2, set "DisplayPort
STREAM" to "SST1".
operation. Turn off the main power and turn it on after
waiting at least 5 seconds, and then check the operation.
input mode automatically changes to that terminal when a
video signal is input into the input terminal.
For this reason, the input mode may change when the
computer wakes up from system standby.
no signal is present in a selected input mode, the monitor
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.
ADMIN menu? The input mode of the monitor is switched in
conjunction with it when menu display or content playback
is performed on a CEC supported device connected to the
monitor via HDMI. (See page 33.)