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Need help?Do you have a question about the LG 42LN57 Series and is the answer not in the manual?
General| Screen Size | 42 inches |
|---|---|
| Display Type | LED |
| Refresh Rate | 60 Hz |
| HDMI Ports | 3 |
| Smart TV | Yes |
| Wi-Fi | Yes |
| Ethernet Port | Yes |
| Resolution | 1920 x 1080 (Full HD) |
Essential safety parts must be replaced with same components to prevent hazards.
Troubleshooting flowchart for 'No video/Normal audio' errors, guiding through checks and replacements.
Troubleshooting steps for 'No video/No audio' errors, involving voltage checks and board replacement.
Flowchart for diagnosing picture issues like broken or freezing images, including RF signal checks.
Flowchart for diagnosing DVB-S/S2 picture issues, including satellite settings and tuner checks.
Steps for diagnosing and resolving color errors, including input checks and link cable inspection.
Troubleshooting for visual defects like bars, Mura, or light spots, involving module checks.
Flowchart for diagnosing 'No power' issues, checking power LED, voltages, and standby status.
Diagnosing issues where the TV turns off unexpectedly or automatically.
Troubleshooting steps for 'No audio/Normal video' errors, focusing on speaker and power board checks.
Steps for diagnosing audio issues like noise, distortion, or discontinuation.
Troubleshooting remote control and local switch operation issues.
Diagnosing issues with external device recognition via various inputs like HDMI.
Steps to resolve CI+ compatibility issues, checking CAM status, keys, and software versions.
