Dynex DX-R20, User Manual

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40 Troubleshooting
Troubleshooting
Use the following checklist for troubleshooting when you have problems with your
television. Consult your local dealer or service outlet if problems persist. Be sure all
connections are properly made when using with other units.
Problem Solution
Television does not operate. • Make sure the power cord is plugged in.
• Try another AC outlet.
• Power is off. Check fuse or circuit breaker.
• Unplug television for an hour, then plug it back in.
Poor sound or no sound. • Station or cable experiencing problems. Tune to another station.
• Check sound adjustments (volume and mute).
• Check for sources of possible interference.
Poor picture or no picture. • Station or cable experiencing problems. Tune to another station.
• Make sure channels are set into memory.
• Check antenna or cable connections. Adjust the antenna.
• Check for sources of possible interference.
• Check picture control adjustments.
Poor reception on some
channels. • Station or cable experiencing problems. Tune to another station.
• Make sure channels are set into memory.
• Station is weak. Adjust the antenna to receive the desired station.
• Check for sources of possible interference.
Poor color or no color. • Station or cable experiencing problems. Tune to another station.
• Make sure channels are set into memory.
• Check picture control adjustments.
• Check antenna or cable connections. Adjust the antenna.
• Check for sources of possible interference.
Picture wobbles or drifts. • Station or cable experiencing problems. Tune to another station.
• Make sure channels are set into memory.
• Cable company is scrambling signal.
• Adjust antenna.
Digital broadcasting screen
problem. • Check digital signal strength.
No CATV reception. • Check all cable connections.
• Set
AIR/CABLE menu option to the CABLE mode.
• Station or cable system problems. Try another station.
Horizontal or diagonal bars
on screen. • Check antenna connections.
• Adjust or re-direct antenna.
• Check for sources of possible interference.
No reception above channel
13. • Make sure the AIR/CABLE menu option is in the appropriate mode.
• If using an antenna, check the UHF antenna connections.
No remote operation. • Batteries are weak, dead, or inserted incorrectly.
• Remote is out of range. Move closer to television (within 15 feet [5 m]).
• Make sure the remote is aimed at the sensor.
• Confirm there are no obstructions between the remote and the
television.
• Make sure the power cord is plugged in.
Television shuts off. • No broadcast on tuned station.
• Sleep timer is set.
• Power interrupted.