Troubleshooting - Sharp LC-20VM2 Operation Manual

Troubleshooting

Problem
No image on screen, and
no sound from speakers.
Speakers produce sound,
but no image on screen.
Image is too light or
improperly tinted.
Image is displayed, but
no sound from speakers.
Image is too dark.
No colors on image.
Remote control does not work.
26
US
• Make sure AC power cord plug is securely inserted in
AC power outlet and AC adapter.
• Make sure AC adapter's DC output is securely con-
nected to main unit's DC input terminal.
• Make sure main unit's main power switch is turned on.
• Make sure AV input is properly set.
• Make sure cables are correctly connected to rear
terminal section of LCD monitor.
• Make sure remote control batteries have not worn out.
• Make sure the unit is not in the standby mode (power
indicator is red).
• Make sure cables are correctly connected.
• Check Color and Tint adjustments. (NTSC ONLY)
• Make sure Contrast and Black Level adjustments are
not set too high.
• Check that Red and Blue adjustments are near the
center.
• Check component video input cable.
• Make sure cables are properly connected to rear
terminal section of LCD monitor.
• Check Sound setting.
• Make sure sound is not muted.
• Make sure headphone is not connected.
• Check to see if Brightness adjustment is not set to DARK.
Screen brightness can be set to three levels (DARK,
NORMAL and BRIGHT).
• Make sure Contrast and Brightness adjustments are
not set too low.
• Lamp may have reached the end of life. (Contact a
Sharp service shop for lamp replacement.)
• Check Color adjustment.
• Make sure proper color system is set.
• In the case of component mode, check to make sure
P (C ) and P (C ) signals are input.
B B R R
• Check to see if batteries in remote control have
sufficient power.
• Check to make sure (+) and (–) side of batteries are
properly positioned in remote control.
• Make sure infrared transmitter window is not receiving
strong light such as light from fluorescent lamps.
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