Avtex W152D, Руководство пользователя, Страница: 53 / 58

P lease check for causes of problems in accordance with the following chart before contacting
maintenance personnel.
C annot power on
P lease make sure the power cord is correctly connected
No sound
P lease make sure the audio cord is correctly connected
C heck volume
Volume too low
C heck volume
If volume is still too low when adjusting volume to maximum,
please check whether the input device is correctly
P lease make sure the antenna is well connected
R emote control failure
C heck whether remote control battery is full charged
W hether battery installation is correct
W hether obstacles exists between remote control and the
unit's receiving window
C heck whether receiving window has strong light
Symptom C auses and C orrection
Symptom
C auses and C orrection
B lack screen, power
indicator light off
C heck whether the power cord is well connected, and
whether this unit is powered on
C heck whether the signal cord of input device is well
connected
C heck whether input device is powered on
C heck whether the input device signal is in this unit's
specification
C heck 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 7 5 kHz
Max display mode:
1 0 2 4X768 7 5 Hz @
Image display flicker,
unstable
~
Vertical scanning frequency: 5 0 Hz 7 5 Hz
~
TROUBLESHOOTING
D IS PLAY TROUBL ESH OOT ING
S OU N D A N D T V TROUBL ESH OOT ING
Snowy picture
48
Make sure there is nothing plugged into the headphone jack