B
Bryan VelasquezJul 28, 2025
How to fix a failed speaker in LG 42LH20R LCD TV?
- BBradley BarrettJul 28, 2025
In case of failure, replace the speaker in your LG LCD TV.
To Next PageTo Next PageHow to fix a failed speaker in LG 42LH20R LCD TV?
In case of failure, replace the speaker in your LG LCD TV.
General| 3D | No |
|---|---|
| Display diagonal | 42 \ |
| Display brightness | 500 cd/m² |
| Display resolution | 1366 x 768 pixels |
| Native aspect ratio | 16:9 |
| Supported video modes | 1080p |
| Contrast ratio (dynamic) | 60000:1 |
| Screen format adjustments | 4:3, 14:9, Zoom |
| Supported graphics resolutions | 1366 x 768, 1920 x 1080 (HD 1080) |
| RS-232 ports | 1 |
| SCART ports quantity | 0 |
| USB 2.0 ports quantity | USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them. |
| Product color | Black |
| AC input voltage | 100 - 240 V |
| Power consumption (standby) | 1 W |
| Power consumption (typical) | 210 W |
| RMS rated power | 10 W |
| Number of speakers | 2 |
| Tuner type | Analog |
| Analog signal format system | PAL, PAL BG, PAL DK, SECAM, SECAM B/G, SECAM D/K |
Explains the meaning of the lightning flash with arrowhead and exclamation point symbols.
Covers 10 key safety instructions for operating the TV safely and preventing hazards.
Provides essential advice to avoid permanent screen imprints like logos or static images.
Lists and illustrates essential accessories that should be included with the TV.
Identifies and explains the buttons and ports on the TV's front panel.
Provides detailed steps for attaching the TV stand and mounting.
Guides on how to connect analog antenna and cable TV sources for optimal reception.
Covers connecting HD receivers, HDMI, DVD players, and PCs for optimal media playback.
Explains how to connect PCs and configure video input sources for optimal display.
Details the purpose and usage of each button on the TV remote control.
Covers fundamental operations like powering on, changing channels, and adjusting volume.
Explains initial setup, navigating on-screen menus, quick menu access, and channel tuning.
Guides on selecting input sources, labeling them, using AV modes, and managing SIMPLINK features.
Instructions on enabling Bluetooth, setting TV PIN, and pairing new or registered devices.
Details on managing connected Bluetooth devices, including viewing photos and listening to music.
Guidelines and warnings for connecting and using USB storage devices with the TV.
Instructions for viewing photos, listening to music, and playing movie files from a USB drive.
Covers obtaining DivX registration codes and deactivating the device for DRM content.
Adjusts aspect ratio for optimal display and selects preset picture modes for different viewing conditions.
Fine-tunes picture settings like backlight, contrast, color, and utilizes advanced technologies.
Manages power consumption, indicator lights, demo mode, and factory reset options for TV settings.
Optimizes volume consistency and enhances voice clarity for clearer dialogue.
Selects preset sound modes, adjusts balance, and manages TV speaker output for external systems.
Configures on-screen menu language and closed captioning settings for accessibility.
Sets the TV's internal clock and configures the sleep timer for automatic power-off.
Explains how to set custom on and off times for the TV to power itself on or off.
Provides solutions for common problems like no picture, no sound, or remote control issues.
Lists detailed technical specifications of the TV and the IR codes for remote control.
