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Troubleshooting
Problem
......
No picture on screen and no
sound from speakers
No picture/No picture from AV1
terminal
Picture is displayed, but no
sound from the speakers.
Picture is too light or improperly
tinted.
Picture is too dark.
Remote control does not work.
No picture from AV OUT
terminal.
Check item
• Insert the AC power cord plug securely in AC power
outlet.
• Make sure the remote control is not in the standby
mode (The POWER/Standby indicator is red.)
• Turn on the MAIN POWER button on the top of the
display.
• Make sure the display and the AVC system is securely
connected with system cable.
• Check the brightness setting of the display.
• Lamp may have malfunction. Contact your nearest
Authorized Sharp Industrial LCD products dealer or
service center for lamp replacement.
• Make sure a cable with no VIDEO input signal is
connected to the S-VIDEO INPUT terminal.
• Check the sound setting.
• Make sure the sound is not muted.
• Make sure a pair of headphones is not connected.
• Make sure the connectors of the optional speaker
system are securely inserted.
• Make sure the setting of AV OUTPUT terminal is
"FIXED" (for the optional side speakers)/"VARIABLE"
(for a commercially available speaker system).
• Make sure COLOR and TINT settings.
• Make sure CONTRAST and BLACK level settings are
not set too high.
• Check that RED and BLUE settings are near the center.
• Make sure BRIGHTNESS setting is not set too low.
• Check to see if BRIGHTNESS mode is not set to DARK.
Change to MEDIUM or BRIGHT.
• Lamp may have malfunction. Contact your nearest
Authorized Sharp Industrial LCD products dealer or
service center for lamp replacement.
• Change the batteries.
• Make sure the infrared transmitter window is not receiving
strong light such as light from fluorescent lamps.
• Make sure AV-3 INPUT is not set.
• Make sure the input source other than AV-1~3.
Reference
Page
9
7
14
9
15, 22
–
6
7, 15
7
8
9
28
24
24
24
15, 22
15, 22
–
11
11
29
29
39
US
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