
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
Содержание W152D
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