Humax COMBO-9000 - Manual (Page 77)

GB76
User’s Manual
10. Appendix
10.4 Trouble Shooting
Before contacting your local service centre, please read the tips below carefully. If the problem persists
after completing the following procedure, please contact your local product distributor or service centre
for further instructions.
1. No message displayed on the front panel. (The product will not switch on.)
•
Check the main power cable and make sure it is plugged into a suitable power outlet.
• Check that the mains supply is switched on.
• Connect the power cable to a diff erent power outlet.
2. No picture on TV set
•
Make sure that the product is powered on and in operation mode. (Press the STANDBY button)
• Make sure that the AV cable is fi rmly connected to the TV.
• Make sure that the antenna cable is properly connected to the product.
• Make sure that the antenna setting in the menu is correct.
• Check the brightness level of the TV.
• Check if the channel is currently on air. Contact the broadcaster to ensure that the channel is running.
• Press the SOURCE button if the product is in external input mode.
3. Poor picture/sound quality
•
Install the antenna in an obstacle-free place.
• Make sure there is no mobile phone or microwave oven near the product.
• Keep the power and the antenna cable for the satellite apart from each other.
• Adjust the antenna direction to get the better picture.
• Set the antenna power in menu to On, if you use the active antenna to improve the reception.
• Check the signal levels and adjust your antenna if the level is too low. The signal level may be aff ected
by weather conditions.
Note: If the antenna is covered with snow or the RF is weakened by heavy rain, the condition of the
sound and picture may temporarily be poor. However, the poor sound and picture quality due to
weather conditions cannot be accepted as a malfunction of product.
• Check that your dish alignment is correct.
• Change the satellite dish for a larger one as this will increase the signal levels received.
• Replace the LNB with a lower noise factor in cases where the noise factor is too high.
• Replace the LNB with a new one in case it is damaged or out of order.
4. No or poor sound
•
Check that your AV cable is connected correctly.
• Check the volume levels of your TV set and the product.
• Check if the product or TV is on mute.
• Check audio type or soundtrack option in the AV menu.