Please check for causes of problems in accordance with the following chart before contacting
maintenance personnel.
Cannot power on
Please make sure the power cord
is correctly connected
No sound
Please make sure the audio cord is correctly connected
Check volume
Volume too low
Check volume
If volume is still too low when adjusting volume to maximum,
please check whether the input device is
correctly
Please make sure the antenna is well connected
Remote control failure
Check whether remote control battery is full charged
Whether battery installation is correct
Whether obstacles exists between remote control and the
unit's receiving window
Check whether receiving window has strong light
Symptom
Causes and Correction
Symptom
Causes and Correction
Black screen, power
indicator light off
Check whether the power cord is well connected, and
whether this unit is powered on
Check whether the signal cord of input device is well
connected
Check whether input device is powered on
Check whether the input device signal is in this unit's
specification
Check computer output mode: control panel-display-setup
If the setup does not accord with this unit's specification,
please change the display setup
Horizontal scanning frequency: 30kHz 75kHz
Max display mode:
1024X768
75 Hz
@
Image display flicker,
unstable
~
Vertical scanning frequency: 50 Hz 75Hz
~
TROUBLESHOOTING
DISPLAY TROUBLESHOOTING
SOUND AND TV TROUBLESHOOTING
Snowy picture
31
Make sure there is nothing plugged into the headphone jack
Unstable image or
abnormal picture color
Correct the TV set settings
Reset the TV set to default setting
