Read Sharp PN-A601 (serv.man5) User Guide / Operation Manual online
52
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.
There is no picture or sound.
• Is the power cord disconnected? (See page 16.)
• Is the main power switch off? (See page 18.)
• Is the monitor in standby mode (the power LED illuminating
in orange)?
• Make sure correct input mode is selected. (See page 19.)
• 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 15.)
• Are the batteries exhausted?
• Point the remote control unit toward the remote control
sensor.
• When the PN-ZR01 (optional) is connected, is REMOTE
CONTROL SENSOR under CONTROL KIT SETTING on
the SETUP menu set to INTERNAL? (See page 24.)
• Is the menu display hidden or is operation disabled? (See
page 30.)
• Is the PN-ZR01 (optional) remote control sensor box
disconnected?
Sound from left and right speakers is reversed.
Sound is heard from only one side.
• Are audio cables connected properly? (See pages 12 to
13.)
• Make sure audio cables for external speakers are
connected properly: left and right cables may be reversed
or one of the two cables may not be connected. (See page
13.)
• Check the setting of BALANCE for AUDIO menu. (See
page 23.)
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 OPTION menu
correct? (See page 25.)
Unstable video.
• The signal may be incompatible.
• Try the automatic screen adjustment when the PC D-sub
input terminal or PC RGB input terminals 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 OPTION
menu correct? (See page 25.)
• 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
56 to 57.)
The video from the PC/AV DVI-D input terminal does not
appear properly.
• Is the setting for DVI of INPUT SELECT on the OPTION
menu correct? (See page 25.)
• Is the input signal compatible with this monitor? (See pages
56 to 57.)
• 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 D-SUB, PC RGB, AV COMPONENT, or
AV VIDEO does not appear correctly.
• Is the setting for BNC or D-SUB of INPUT SELECT on the
OPTION menu correct? (See page 25.)
• Is the input signal compatible with this monitor? (See pages
56 to 57.)
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
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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