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LG 37LF7700 - User Manual

LG 37LF7700
117 pages
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Please read this manual carefully before operating
your TV. Retain it for future reference.
Record model number and serial number of the TV.
Refer to the label on the back cover and quote this
information to your dealer when requiring service.
LCD TV
OWNER’S MANUAL
LCD TV MODELS
32LF77
37LF77
42LF77
47LF77
Trade Mark of the DVB Digital Video
Broadcasting Project (1991 to 1996)
ID Number(s):
6499 : 32LF7700
6500 : 37LF7700
6501 : 42LF7700
6502 : 47LF7700
ENGLISH

Table of Contents

Questions and Answers

  • S
    sharon60Aug 16, 2025
    Why is my LG 37LF7700 LCD TV showing horizontal or vertical bars or picture shaking?
    • E
      Elizabeth RomeroAug 16, 2025
      If you see horizontal or vertical bars or the picture is shaking on your LG LCD TV, check for local interference from electrical appliances or power tools.
  • X
    xpetersAug 19, 2025
    Why does my LG 37LF7700 have lines or streaks in the picture?
    • H
      Hannah RoachSep 12, 2025
      If you're seeing lines or streaks in the pictures on your LG LCD TV, check the antenna and try changing its position.
  • R
    Robert RussellAug 22, 2025
    What to do if my LG LCD TV has no picture and no sound?
    • D
      Daniel NelsonAug 22, 2025
      If your LG LCD TV isn't showing a picture or producing sound, first ensure the TV is switched on and the power cord is correctly inserted into the mains. Try switching to another channel to rule out a broadcast issue. Also, check your antenna direction and/or location. Finally, test the mains outlet by plugging another product into the same outlet.
  • H
    Heidi PadillaAug 25, 2025
    Why does my LG LCD TV power off suddenly?
    • R
      Randall ArnoldAug 26, 2025
      If your LG LCD TV is suddenly turning off, check if the sleep timer is set or if Auto Sleep is activated. Also, review the power control settings and ensure the power supply hasn't been interrupted.
  • R
    rochaashleyAug 27, 2025
    Why does my LG 37LF7700 have poor colour or picture?
    • K
      Keith AguirreAug 27, 2025
      If your LG LCD TV has poor color or picture quality, first adjust the color settings in the menu. Ensure there's enough distance between the TV and any VCRs. Try switching to another channel to see if the issue is with the broadcast. Also, check if the video cables are properly installed and activate any function to restore the brightness of the picture.
  • E
    Emily LiuAug 31, 2025
    Why is there no sound on my LG 37LF7700 but the picture is fine?
    • S
      Stacey MillsAug 31, 2025
      If you have picture but no sound on your LG LCD TV, first press the volume + or - button. Check if the sound is muted by pressing the MUTE button. Try another channel in case the problem is with the broadcast. Ensure the audio cables are properly installed.
  • M
    Melissa ReynoldsSep 3, 2025
    Why is the reception poor on some channels on my LG LCD TV?
    • W
      Wayne FordSep 3, 2025
      If you're experiencing poor reception on some channels with your LG LCD TV, it could be due to the station or cable channel experiencing problems; try tuning to another station. If the station signal is weak, reposition the antenna. Check for any sources of potential interference.
  • C
    Cameron PhelpsSep 6, 2025
    What to do if the signal is out of range in PC mode on my LG 37LF7700 LCD TV?
    • D
      davisdavidSep 6, 2025
      If you encounter 'signal out of range' in PC mode on your LG LCD TV, adjust the resolution, horizontal frequency, or vertical frequency (invalid format). Also, check the input source.
  • M
    Martin HornSep 8, 2025
    Why does my LG 37LF7700 LCD TV revert to initial settings after changing them?
    • W
      William WagnerSep 9, 2025
      If your LG LCD TV reverts to initial settings after you change the picture settings, it's likely set to Store Demo mode. To switch to Home use mode, go to the TV Menu, choose OPTION, then Mode Setting, and finally choose Home use.
  • J
    jgarciaSep 12, 2025
    Why is there an unusual sound coming from inside my LG LCD TV?
    • H
      hduranSep 12, 2025
      An unusual sound from inside your LG LCD TV might be due to a change in ambient humidity or temperature when the TV is switched on or off. This does not necessarily indicate a fault with the TV.

Summary

Preparation

Front Panel Controls

Describes the buttons and indicators on the TV's front panel.

Stand Installation

Step-by-step guide for assembling and installing the TV stand.

Attaching the TV to a Desk

Guidance on securing the TV to a desk to prevent tipping.

Careful Installation Advice

Safety recommendations for wall mounting and general installation.

Wall Mount: Horizontal Installation

Detailed instructions and recommendations for safely mounting the TV on a wall.

External Equipment Setup

HD Receiver Setup

Connecting and setting up an HD receiver using component cables.

Connecting a set-top box with an HDMI cable

Instructions for connecting a set-top box via HDMI for high-quality audio/video.

Connecting with an HDMI to DVI cable

Guide for connecting a set-top box using an HDMI to DVI cable.

DVD Setup

How to connect a DVD player using component cables for optimal picture quality.

Connecting with a Euro Scart cable

Instructions for connecting a DVD player using a Euro Scart cable.

Connecting the HDMI cable

Connecting a DVD player to the TV using an HDMI cable.

VCR Setup

Connecting a VCR using a terrestrial RF cable.

Connecting with a RCA cable

Instructions for connecting a VCR using RCA cables.

PC Setup

Connecting a PC to the TV using D-sub or HDMI/DVI cables.

Screen Setup for PC mode (In RGB mode only)

Adjusting PC screen resolution for optimal display on the TV.

Auto Configure

Automatically optimizes the TV display for PC connection.

Adjustment for screen Position, Size, Phase

Manually adjusting screen position, size, and phase for clear PC display.

Watching TV; Programme Control

Remote Control Key Functions

Explains the functions of various buttons on the remote control.

Turning on the TV

Steps to power on the TV and initial setup process.

On Screen Menus Selection and Adjustment

Navigating and adjusting settings via the TV's on-screen menu system.

Freesat Programme Tuning (In Freesat Input)

Guide to automatically finding and storing Freesat channels.

Auto Programme Tuning (In Antenna Input)

Automatically scans for and stores digital and analogue terrestrial channels.

Software Update (In Freesat Mode - DTV)

Updating the TV's system software via the Freesat broadcast system.

Software Update (In Digital Antenna Mode - DTV)

Updating the TV's system software via the digital antenna broadcast system.

Initializing (Reset to original factory settings)

Resetting all TV settings to their default factory values.

To Use a USB Device

TV Guide (EPG; Electronic Programme Guide)

Picture Control

Picture Size (Aspect Ratio) Control

Adjusting the picture's aspect ratio (e.g., 16:9, 4:3) for optimal viewing.

Preset Picture Settings

Selecting pre-defined picture modes (Vivid, Standard, Cinema, etc.) for different content.

Manual Picture Adjustment

Fine-tuning picture settings like backlight, contrast, brightness, and colour.

Sound & Language Control

Preset Sound Settings - Sound Mode

Selecting preferred sound profiles (Standard, Music, Cinema, Sport, Game).

Time Setting

Auto On;Off Time Setting

Scheduling the TV to turn on or off automatically at preset times.

Parental Control; Ratings

Set Password & Lock System

Setting up a password to protect TV settings and features.

Block Programme

Preventing specific programmes from being watched without entering a password.

Appendix

Troubleshooting

Solutions for common TV operational problems and errors.

LG 37LF7700 Specifications

General IconGeneral
Screen Size37 inches
Display TypeLCD
Resolution1920 x 1080
Backlight TypeCCFL
Refresh Rate60 Hz
HDMI Ports3
USB Ports1
Audio Output10W x 2
HDTV Format1080p
Aspect Ratio16:9
Brightness500 cd/m²
Response Time5 ms
Viewing Angle178°
InputsHDMI, Component, Composite, RF
Sound Output10W x 2

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