LG 55le7900 Owners Manual

7
EXTERNAL EQUIPMENT SETUP
CONNECTING WITH AN RCA CABLE
NOTE
 
► If you have a mono VCR, connect the audio cable from 
the VCR to the AUDIO L/MONO  jack of the TV.
1Connect the AUDIO/VIDEO jacks  between TV 
and VCR or external equipment. Match the 
jack colours (Video = yellow, Audio Left = 
white, and Audio Right = red)
2Insert a video tape into the VCR and press 
PLAY on the VCR.  (
Refer to the VCR owner’s 
manual. )
 
Or, Operate the corresponding external equip-
ment. 
(Refer to external equipment...

8
EXTERNAL EQUIPMENT SETUP
EXTERNAL EQUIPMENT SETUP
CONNECTING WITH A D-SUB 15 PIN CABLE
This TV provides Plug and Play capability, meaning that the PC adjusts automatically to the TVs set-
tings. 
1Connect the RGB output of the PC to the RGB 
IN (PC) jack on the TV.
2Connect the PC audio output to the  AUDIO IN 
(RGB/DVI) jack on the TV. 
3Turn on the PC and the TV
4Select  RGB input source using the INPUT but-
ton on the remote control.
    
21
 

9
EXTERNAL EQUIPMENT SETUP
HEADPHONE SETUP
You can listen the sound through the headphone.
NOTE
 
► AUDIO menu items are disabled when connecting a headphone.
 
► When changing AV MODE with a headphone connected, the change is applied to video but no\
t to audio.
 
► Optical Digital Audio Out is not available when connecting a headphone.
 
► Headphone impedance:  16 Ω 
 
► Max audio output of headphone:  10 mW to 15 mW
1Plug the headphone into the headphone socket.
2To adjust the headphone volume, press...

10
EXTERNAL EQUIPMENT SETUP
EXTERNAL EQUIPMENT SETUP
DIGITAL AUDIO OUT SETUP
Sending the TV’s audio signal to external audio equipment via the Digital Audio Output (Optical) port.
If you want to enjoy digital broadcasting through 5.1-channel speakers, \
connect the OPTICAL 
DIGITAL AUDIO OUT terminal on the back of TV to a Home Theater (or amp). 
  CAUTION
 
►   Do not look into the optical output port. Looking at the laser 
beam may damage your vision.
1Connect one end of an optical cable to the TV...

11
EXTERNAL EQUIPMENT SETUP
EXTERNAL EQUIPMENT WIRELESS CONNECTION 
(Except for 32/37/42LD4***)
LG TVs with a Wireless Control port support the LG Wireless Media Box, whic\
h is sold
separately. When you connect the Wireless Ready Dongle (included with the Wireles\
s Media Box) to the 
TV, external devices can be connected to the LG Wireless Media Box and vid\
eo and audio will be sent to 
the TV wirelessly.
After the wireless is connected, press the INPUT button to view the wireless input screen.
Refer...

12
EXTERNAL EQUIPMENT SETUP
EXTERNAL EQUIPMENT SETUP
SUPPORTED DISPLAY RESOLUTION
RGB-PC, HDMI/DVI-PC mode HDMI/DVI-DTV mode
Plasma TV Models
ResolutionHorizontal 
Frequency  (kHz) Vertical 
Frequency (Hz)
720x400 31.468 70.08
640x480
 31.469 59.94
800x600 37.879 60.31
1024x768 48.363 60.00
1280x768 47.78 59.87
1360x768 47.72 59.80
1280x1024 63.981 60.02
1920x1080
(RGB-PC) 66.587

59.93
1920x1080 (HDMI-PC) 67.5
60.00
ResolutionHorizontal 
Frequency  (kHz) Vertical 
Frequency (Hz)
720x480 31.469
31.5...

13
EXTERNAL EQUIPMENT SETUP
RGB-PC, HDMI/DVI-PC mode HDMI/DVI-DTV mode
LCD TV Models / LED LCD TV Models
ResolutionHorizontal 
Frequency  (kHz) Vertical 
Frequency (Hz)
720x400 31.468 70.08
640x480
 31.469 59.94
800x600 37.879 60.31
1024x768 48.363 60.00
1280x768 47.78 59.87
1360x768 47.72 59.80
1280x1024 63.981 60.02
1920x1080
(RGB-PC) 66.587

59.93
1920x1080 (HDMI-PC) 67.5
60.00
ResolutionHorizontal 
Frequency  (kHz) Vertical 
Frequency (Hz)
720x480 31.469
31.5 59.94
60
720x576

31.25 50
1280x720 37.5...

14
EXTERNAL EQUIPMENT SETUP
EXTERNAL EQUIPMENT SETUP
NOTE
 
► Avoid keeping a fixed image on the set’s screen 
for  prolonged periods of time. The fixed image 
may become permanently imprinted on the 
screen; use a screen saver when possible.
 
► There may be interference relating to resolution, 
vertical pattern, contrast or brightness in PC 
mode. Change the PC mode to another resolution 
or change the refresh rate to another rate or 
adjust the brightness and contrast on the menu 
until the picture is...

15
EXTERNAL EQUIPMENT SETUP
SCREEN SETUP FOR PC MODE
Returns Position, Size and Phase to the factory default settings.
This function works in the following mode : RGB[PC].
Screen Reset
• Press the MENU/EXIT button to return to normal TV viewing.
• Press the BACK button to move to the previous menu screen.
1Select PICTURE.
2Select Screen.
3Select Reset.
4
Select  Ye s.
5Run  Reset .
To Set
Auto Config.
SCREENMove
Prev.
Resolution
Position
Size
Phase
Reset
Ye s
No
OK
Move PICTURE
 ShShSh•Sh•Sh•ShShSh...

16
EXTERNAL EQUIPMENT SETUP
EXTERNAL EQUIPMENT SETUP
Automatically adjusts the picture position and minimizes image instability.  After adjustment, if the 
image is still not correct, your 
TV is functioning properly but needs further adjustment.
Auto configure
This function is for automatic adjustment of the screen position, size, \
and phase The displayed image 
will be unstable for a few seconds while the auto configuration is in pr\
ogress.
Auto Configure (RGB [PC] mode only)
• Press the MENU/EXIT...