Sound And Tv Troubleshooting - Flex LD-185DCH Manual

TROUBLESHOOTING
Please check for causes of problems in accordance with the following chart before
contacting any maintenance personnel.
DISPLAY TROUBLESHOOTING
Symptom
Black screen, power
indicator light off
Image display
flicker, unstable

SOUND AND TV TROUBLESHOOTING

Symptom
Cannot power on
No sound
Volume too low
Snowy picture
Remote control
failure
Causes and Correction
 Check whether power cord is well connected, and whether this unit
is power on
 Check whether the signal cord of input device is well connected
 Check whether input device is power 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
 Vertical scanning frequency: 50 Hz ~ 75Hz
Causes and Correction
 Please make sure the well connecting of power cord
 Please make sure the well connecting of audio cord
 Check volume
 Make sure there is nothing plugged in the headphone jack
 Check volume
 If volume is still too low when adjusting volume to maximum, please
check whether the input device is well set
 Input antenna damaged or not well connected
 Check whether remote control battery exhausted
 Whether battery installation is correct
 Whether obstacles exists between remote control and the unit's
receiving window
 Check whether receiving window has strong light
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