LG Electronics 42700H, SAC30708043 Check USB cable over version, Check the input source, No Power

The audio function does not work.

■ Press the VOL or VOLUME button.

■Sound muted? Press the MUTE button.

Picture OK but No sound ■ Try another channel. The problem may be with the broadcast.

■Are the audio cables installed properly?

No output from one

of the speakers

Unusual sound from inside the product

■Adjust Balance in menu option.

■A change in ambient humidity or temperature may result in an unusual noise when the product is turned on or off and does not indicate a fault with the product.

No sound ■ Check HDMI cable over version 1.3.

when connecting HDMI	■ Check USB cable over version 2.0.
or USB
	*This feature is not available for all models.

There is a problem in PC mode. (Only PC mode applied)

The signal is out	of range	■ Adjust resolution, horizontal frequency, or vertical frequency.
		■ Check the input source.
Vertical bar or	stripe on
background	&	■ Run the Auto configure or adjust clock, phase, or H/V position. (Option)
Horizontal Noise &
Incorrect position
Screen color is unstable		■ Check the signal cable.
or single color		■ Update video card drivers.
Power
		■ See troubleshooting flow chart.
No Power
Erratic Operation
		■ Adjust Installer menu settings as required.
Installer menu setup

Software Problems

Cannot direct enter chan- ■ After 2-5-5 + MENU, only channels included in TV controller will appear. If chan-

nel number or “No Signal”	nel is available it can be added to channel scan, rescan channels. If it is not avail-
appears	able, the ‘No Signal’ message appears on the TV screen.

!NOTE

G For other problems not caused by the TV, refer to other devices’ operating guides.

APPENDIX

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