Brand:
LG
Category: TV
Document Type: Manual
Language: EN
Manual for LCD TV / LED LCD TV / PLASMA TV
Uploaded: Nov. 21, 2025, 8:48 p.m.
Unpacking
Check your product box for the following items: Remote control and batteries (AAA), Owner's Manual, Polishing cloth (optional), Ferrite core (optional), Power Cord (optional).Assembling and Preparing
This section details how to assemble the TV stand, including securing the TV to the stand and handling the stand components. It also covers wall mounting preparation and how to use the Kensington security system.Connections
This section guides on connecting various external devices such as HD receivers, DVD players, VCRs, PCs, audio systems, and USB storage devices using different cable types like HDMI, DVI, Component, Euro Scart, Composite, RGB, and optical audio cables.Teletext
Instructions on how to use the Teletext feature, including switching it on/off, selecting pages, and using special functions like FASTEXT and digital teletext.Maintenance
Guidance on cleaning the TV screen, frame, cabinet, and power cord to maintain optimal performance and extend product lifespan.Troubleshooting
A comprehensive guide to identify and resolve common issues related to remote control, image and sound display, external device connection, and audio problems.Troubleshooting and error codes
| General | ||
|---|---|---|
| Problem | Cannot control the TV with the remote control. | • Check the remote control sensor on the product and try again. • Check if there is any obstacle between the product and the remote control. • Check if the batteries are still working and properly installed (to, to). • Check if the appropriate input mode such as TV or VCR is set for using the remote control. |
| Problem | No image display and no sound is produced. | • Check if the product is turned on. • Check if the power cord is connected to a wall outlet. • Check if there is a problem in the wall outlet by connecting other products. |
| Problem | Image appears slowly when the TV turns on. | • The image is muted during the product startup process. This is normal. If the image does not appear in a few minutes, unplug the TV for 30 seconds and try again. If the image still does not appear, contact the authorized service center in your local area. |
| Problem | Cannot connect external devices. | • Refer to the "Connection overview" (See p.82) and connect an external device. |
| Problem | The TV turns off suddenly. | • Check the power control settings. The power supply may be interrupted. • Check if the Auto sleep feature is activated in the Time settings. Refer to the "Sleep Timer" (See p.76). • If there is no signal while the TV is on, the TV will turn off automatically after 15 minutes of inactivity.(Except for 22/26/32LK335C, 32/37/42LK455C, 19/22/26/32LV255C, 32/37/42/47LV355C) |
| Audio | Problem | Resolution |
| Problem | No sound is produced while images are displaying. | • Press + or - button. • Check if the sound is muted by pressing MUTE. • Scroll to other channels. There may a problem with the broadcast. • Check if the audio cables are connected properly. |
| Problem | One of the speakers produce noises or does not produce sound. | • A change in ambient humidity or temperature may result in an unusual noise when the product turns on or off. • There is no problem with your product. |
| Video | Problem | Resolution |
| Problem | An image displays in black and white or the colour quality is poor. | • Adjust the colour setting in the PICTURE menu (See p.66). • Scroll to other channels. There may a problem with the broadcast. • Keep a sufficient distance between this product and other electronic products. |
| Problem | Horizontal or vertical bars appears or images blur | • Check if there are local interferences such as an electrical appliance or power tool. |
| Problem | Lines or streaks appear on images | • Check the antenna or aim the antenna to the proper direction. |
| Problem | Afterimages (ghosts) appear when the product turns off | • Pixels may have been damaged from a fixed image displayed for a long time (image burn). Use a screen saver to prevent the pixel damage on the screen. |
| Problem | The power is on but the screen appears extremely dark. | • Adjust the brightness and contrast in the PICTURE menu (See p.66). |
| Problem | "No Signal" appears on the screen. | • Check if the signal cable is connected between the TV and products properly. • Check the selected input source by pressing INPUT. |
| Problem | Black spots appear on the screen. | • Several pixels in red, green, white, or black may appear on the screen that can attribute to the characteristics of the LCD panel. • This is normal. |
| Problem | The display offset is wrong. | • Adjust the position setting in the PICTURE menu (See p.66). • Check if the video card resolution and frequency are supported by the product. If the frequency is out of range, set to the recommended resolution using the display settings on the external device. |
| Problem | Thin lines appear in the background of the screen. | • Check the video cable connections. |
| Problem | Horizontal noises appear or characters blur. | • Adjust the Phase setting in the PICTURE menu. Refer to the "SCREEN" (See p.66). |
| Problem | The reception on some channels is poor | • Scroll to other channels. There may a problem with the broadcast. • The station signal may be weak. Aim the antenna to the proper direction. • Check if there is local interference such as an electrical appliance or power tool. |