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49
E
Troubleshooting
Before calling for repair services, make sure following checks for possible remedies to the encountered
symptoms.
There is no picture or sound.
Remote control does not work.
Sound from left and right speakers is
reversed.
Sound is heard from only one side.
There is a picture but no sound.
Faint color or bad hue.
• Is the power cord disconnected?
• Is the main power switch set to “OFF (O)”?
• Is the monitor in standby mode (the power LED
illuminating in orange)?
• Make sure correct input mode is selected.
• If any external equipment is connected, make
sure the equipment is operating (playing back).
• Are the batteries inserted with polarity ( , )
aligned?
• Are the batteries worn out?
• Point the remote control unit toward the monitor’s
remote control sensor.
• Is the menu display hidden or are settings
locked?
• Are audio cables connected properly?
• 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.
• Check the setting of BALANCE for AUDIO.
• Is the sound muted?
• Make sure the volume is not set to minimum.
• Is the PC audio cable (commercially available)
connected?
• Are audio cables connected properly?
• Is the audio signal input properly to the audio
input terminal corresponding to the selected video
input terminal?
• Check “COLORS” and “TINT” adjustments.
• Make sure the connection sequence is correct.
• The signal may be incompatible.
•
Try the automatic screen adjustment when the PC
analog RGB input terminal is used.
• Fan has a problem.
Turn off the monitor and request repair from your
SHARP dealer.
• When the internal temperature of the monitor
rises excessively, the brightness of the backlight
decreases in order to prevent
high-temperature-related problems. Remove the
cause of the excessive rise in temperature.
15
19
19
20
–
18
18
18
34
11 to 14
14
29
20
20
11
12
11 to 13, 20
29
11 to 13
12, 52
33
-
50
Unstable video
Power LED flashes red.
When “TEMPERATURE” is displayed
Problem Check item Page