Check the fo llowings before requesting rep air.
Power doesn’t turn on! (POWER indicator doesn’t light!)
a: Is the p ower cord conected?
b: Is the power switch ON?
a: Connect the p ower cord.
b: Turn the power switch on.
The screen is not displayed!(POWER indicator lights up).
a: Is the signal cable p roperly connected?
b: Is contrast or brightness adjustment at minimum?
c: Is it under the power saving mode?
d: Is the system on?
e: Is the signal inoput an applicable one within the
stipulated frequency range?
a: P roperly connect the appropriate signal cable.
b: Adjust contrast and b rightness.
c: Cancel the power management mode.
d: Turn the system on.
e: Input the applicab le signals within the frequecy range.
Colors look strange!
a: Is the signal cable p roperly connected?
b: Did you make color temperature adjustments?
a: Peoperly connect the appropriate signal cable.
b: Readjust color temperature.
Display size and position are not appropriate!
a: Is the pre-set ad justed to comply with input signals?
a: Make display adjustments.
The display is dark (bright)! Or, saturated!
a: Is the input video signal level appropriate?
a: Make automatic adjustments.
The display blinks!
a: Is any signal that is out of the set frequency range input?
a: Input the applicab le signals within the frequecy range.
Control dial doesn’t work!
a: Are you not ro tating the dial so fast?
a: Rotate the dial slo wly.
F A I L U R E
D I A G N O S I S
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Содержание RTD550AM Series
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