How to fix LG 15LC1R-ZG with no power (LED indicator off)?
If your LG LCD TV has no power and the LED indicator is off, try these steps: * Check for a short in the main B/D. * Check for 15V or 5V. * If Lips fail, change them. * Check the output of Change Q402; if Q402 fails, pass. * Check the output of Change U406; if U406 fails, pass. * Check the LED Assy; if it fails, change the LED Assy. * Check J103, J125, and J126 connectors.
Why my LG 15LC1R-ZG has no sound?
If your LG LCD TV has no sound, try these steps: * Check the source input. * Check the input/output of U201; if it fails, change the defect part. * Check the speaker; if it fails, change the speaker. * Check the speaker wire. * Consider re-soldering or checking the input/output of U301 and X301.
What to do if my LG LCD TV has no raster?
If your LG LCD TV shows no raster, consider the following troubleshooting steps: * Check the LED status. * Repeat A PROCESS on the display unit. * Check and change U401~U405, U407, U409 if they fail. * Check the input/output of U301; if it fails, change U301. * Check the inverter; if the connector or inverter fails, change the inverter connector or inverter. * Check the panel link; if the cable or module fails, change the panel link cable or module. * Check the input source cable and jack.
What to do if LG 15LC1R-ZG has no raster on AV signal (SCART, CVBS, S-VHS)?
If your LG LCD TV has no raster on AV Signal (SCART, CVBS, S-VHS), you can try the following: * Check 5V, 33V of TU701. * Repeat [A] Process. * If TU701 fails, change the defect part. * Check the signal of Change L108, L109, L110, L112, R194, R198, R184; if they fail, pass. * Re-solder or check the input/output of U301 and X301. * Re-solder or check the input/output of U101; if U101 fails, change the defect part. * Check input source cable and jack.
General| Display Type | LCD |
|---|---|
| Resolution | 1024 x 768 |
| Aspect Ratio | 4:3 |
| HDMI Ports | 0 |
| USB Ports | 0 |
| Screen Size | 15 inch |
| Inputs | Composite, VGA |
General safety advice for servicing the receiver.
Procedure for checking AC leakage current without power.
Procedure for checking AC leakage current with power applied.
General guidelines for safe and effective servicing procedures.
Precautions for handling components sensitive to static electricity.
Best practices for soldering electronic components.
Procedures for checking the main PCB.
Explains the functions within the Service Menu.
Instructions on accessing the Service Menu.
Detailed functions of each key on the service remote.
Flowchart for diagnosing no power issues.
Flowchart for diagnosing no raster display issues.
Troubleshooting for no raster on specific signal types.
Flowchart for diagnosing no sound issues.
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