Humax L3040 - Manual (Page 56)

56
Troubleshooting
• Before you call a service technician, please review this list of problems and possible solutions. It may save
you time and money.
Problems Possible Solution
No Power Make sure the power cord is connected to the AC outlet.
Make sure the power cord is connected to a wall socket
correctly.
Poor or no picture Check all wire connections.
Check for source of reception disturbance.
Try another channel.
Check CATV connection or VHF/UHF ANT.
At PC(RGB) mode, check the resolution.
- The best resolution for this LCD TV is 1024 x 768, 60Hz.
Poor or no Sound Try another channel.
Press Mute button again on the remote control.
Press the VOL ▶ button to increase the volume.
Check CATV connection or VHF/UHF ANT.
No image on a specific channel Make sure the channel selection is correct.
Change the antenna direction to the right or left.
Adjust the fine tuning of the channel.
TV shuts off Set sleep timer to “OFF”.
Closed Caption does not Try another channel.
working Press the CAPTION button on the remote control.
V-CHIP does not working Set the Block item “ON”.
properly V-CHIP does not work in the PIP(picture in picture)
Set the ratings as desired.
No CATV reception Set TV/CATV to CATV.
Remote control does not Batteries could be weak. Replace the batteries to a new ones.
working Locate the LCD TV at least one meter away from
fluorescent lights.
Clean the transmission window of the remote control.
Sometimes there is a rapping This could be caused by the deflation or expansion of plastic
sound in the middle of products due to a change in the surrounding environment,
viewing or after viewing such as humidity, temperature etc.
When you turn the LCD TV on and off, a rapping sound
indicates a high voltage charge/discharge in the LCD TV.
Please note that this is not a defect.