Troubleshooting - LG 790SC User Manual

Troubleshooting

Self diagnostics message.
The signal cable is not connected.
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
OUT OF FREQUENCY message appears.
The frequency of the sync input is outside the operating range of
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
the monitor.
O U T O F F R E Q U E N C Y
H F : 1 2 0 . 8 k H z
V F : 1 1 0 . 0 H z
O P E R A T I N G F R E Q U E N C Y
H F : 3 0 1 0 0 k H z
V F : 5 0 2 0 0 H z
P O W E R S A V E A F T E R 2 0 S E C .
Use the graphics board's utility software to change the
frequency setting (Refer to the manual for graphics board).
The power LED is illuminated amber.
Display power management mode.
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
These is no sync signal.
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
The signal cable is not fastened securely.
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
Check the computer power and graphics adapter configuration.
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
The image on the SCREEN is not centered, or too small, or not
a rectangle shape.
Image adjustment not been done yet in the current operating
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
mode. Use the SELECT and
your liking.
The monitor doesn't enter the power saving off mode (Amber).
Computer video signal is not VESA DPMS standard. Either the
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g @ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
@ @ @ @ @ @ @ @ @ @ @ @ g
PC or the video controller card is not using the VESA DPMS
power management function.
Note : If the power indicator(LED) light is blinking amber, may result in abnomal
condition of the monitor.
Then press a power ON/OFF button on the front panel control and call your service
technician for more information.
*Horizontal Frequency: 30-100kHz
*Vertical Frequency: 50-200Hz
? ?
? ?
? or ? buttons to set the image to
? O 2 @ @ @ f ? ? O 2 @ f ? @ @ @ 6 K ? h g ? @ 6 K ? ?
? O 2 @ @ @ @ @ f ? @ @ @ @ @ 6 K ? h f ?
? W 2 @ @ @ @ @ @ @ f ? @ @ @ @ @ @ @ 6 X ? h e ?
O & @ @ @ @ @ @ @ @ f ? @ @ @ @ @ @ @ @ ) K h e ?
O 2 @ @ @ @ @ @ @ @ @ @ @ @ f ? O 2 @ @ @ @ @ @ @ @ @ @ f ? @ @ @ @ @ @ @ @ @ @ 6 K h ? @ @ @ @ @ @ @ @ @ @ @ @ 6 K g ?
O 2 @ @ @ @ @ @ @ @ @ @ @ @ @ @ f ? @ @ @ @ @ @ @ @ @ @ @ @ @ @ 6 K f ?
? @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ f ? @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ ? e ?
I 4 @ @ @ @ @ @ @ @ @ @ @ @ f ? I 4 @ @ @ @ @ @ @ @ @ @ f ? @ @ @ @ @ @ @ @ @ @ 0 M h ? @ @ @ @ @ @ @ @ @ @ @ @ 0 M g ?
I ' @ @ @ @ @ @ @ @ f ? @ @ @ @ @ @ @ @ ( M h e ?
? V 4 @ @ @ @ @ @ @ f ? @ @ @ @ @ @ @ 0 Y ? h e ?
? I 4 @ @ @ @ @ f ? ? I 4 @ @ @ f ? @ @ @ 0 M ? h g ? @ @ @ @ @ 0 M ? h f ?
? I 4 @ f ? ? @ 0 M ? ? ?
? ?
? ? ? ?
? ?
? ? ? ?
? ?
A22