LG DM2780D Owners Manual - Page 80

PC mode, Store Demo, OPTION, Mode Setting

Get LG DM2780D PDF manuals and user guides View all LG DM2780D manuals
Add to My Manuals
Save this manual to your list of manuals

Page 80 highlights

80 TROUBLESHOOTING ENGLISH Problem No picture when connecting HDMI Resolution yy Check that your HDMI cable is High Speed HDMI Cable. If the HDMI cables are not High Speed HDMI Cable, flickering or no screen display can result. Please use the High Speed HDMI Cable. The audio function does not work. Problem Picture OK & No sound No output from one of the speakers Unusual sound from inside the product No sound when connecting HDMI or USB Resolution yy Press the (+ , -) button or VOL ( , ) button. yy Sound muted? Press MUTE button. yy Try another channel. The problem may be with the broadcast. yy Are the audio cables installed properly? yy Adjust Balance in menu option. yy A change in ambient humidity or temperature may result in an unusual noise when the product is turned on or off and does not indicate a problem with the product. yy Check HDMI cable is High Speed HDMI Cable. yy Check USB cable over version 2.0. yy If the sound is abnormal in the HDMI, check the audio format in your external equipments. »» Audio Supported format : Dolby Digital, PCM There is a problem with PICTURE settings. Problem When the user changes the picture settings, the TV automatically converts back to the initial settings after a certain period of time. Resolution yy It means that the TV is currently set to Store Demo mode. To switch to Home use mode you should do the followings: From the TV Menu, choose OPTION → Choose Mode Setting → Choose Home use. Now, you have completed switching to the Home use mode. PC mode No image is displayed. Problem Power is on, power indictor is blue but the screen appears extremely dark. Does the 'Invalid format' message appear? Does the 'Check signal cable' message appear? Resolution yy Adjust brightness and contrast again. yy The signal from the PC (Video card) is out of the vertical or horizontal frequency range of the product. Adjust the frequency range by referring to the Specifications in this user's guide. yy The signal cable between PC and product is not connected. Check the signal cable. yy Press the 'INPUT' button in the remote control to check the input signal.

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
ENGLISH
80
TROUBLESHOOTING
The audio function does not work.
Problem
Resolution
Picture OK & No sound
y
Press the
(
+
,
-
)
button
or VOL
(
,
)
button.
y
Sound muted? Press MUTE button.
y
Try another channel. The problem may be with the broadcast.
y
Are the audio cables installed properly?
No output from one of the speakers
y
Adjust Balance in menu option.
Unusual sound from inside the
product
y
A change in ambient humidity or temperature may result in an unusual
noise when the product is turned on or off and does not indicate a
problem with the product.
No sound when connecting HDMI
or USB
y
Check HDMI cable is High Speed HDMI Cable.
y
Check USB cable over version 2.0.
y
If the sound is abnormal in the HDMI, check the audio format in your
external equipments.
»
Audio Supported format : Dolby Digital, PCM
There is a problem with PICTURE settings.
Problem
Resolution
When the user changes the picture
settings, the
TV
automatically
converts back to the initial settings
after a certain period of time.
y
It means that the TV is currently set to
Store Demo
mode. To switch
to Home use mode you should do the followings: From the TV Menu,
choose
OPTION
→ Choose
Mode Setting
→ Choose Home use.
Now, you have completed switching to the Home use mode.
PC mode
No image is displayed.
Problem
Resolution
Power is on, power indictor is blue
but the screen appears extremely
dark.
y
Adjust brightness and contrast again.
Does the ‘Invalid format’ message
appear?
y
The signal from the PC (Video card) is out of the vertical or horizontal
frequency range of the product. Adjust the frequency range by
referring to the Specifications in this user’s guide.
Does the ‘Check signal cable’
message appear?
y
The signal cable between PC and product is not connected. Check
the signal cable.
y
Press the ‘INPUT’ button in the remote control to check the input
signal.
Problem
Resolution
No picture when connecting HDMI
y
Check that your HDMI cable is High Speed HDMI Cable.
If the HDMI cables are not High Speed HDMI Cable, flickering or no
screen display can result. Please use the High Speed HDMI Cable.