To Next PageTo Next PageWhy is my LG RM-20LA70 LCD TV screen dark?
If your LG LCD TV screen is dark, it could be due to a defective LCD lamp or inverter, or an input error of the inverter connector. You can try the following: * Replace the inverter. * Replace the LCD lamp. * Check the connector input.
What to do if my LG RM-20LA70 LCD TV has no sound?
If your LG LCD TV has no sound, try changing the source input. Also, check the speaker and speaker wire. You may need to re-solder or check the input/output of IC1, IC100, and IC101.
Why is there no raster on my LG LCD TV screen?
If your LG LCD TV shows no raster, start by checking the LED status. You can also check L900, L901 and change L900, L901, L902, L903. Inspect the input/output of IC901. Consider changing the inverter and checking the inverter connector. Finally, you can change the panel link and check the panel link cable or module. Also check input source cable and jack.
What to do if there is no raster on component signal on my LG LCD TV?
If your LG LCD TV displays no raster on the component signal, check the signal of JA1200 or L1200, L1202, L1203. Also, re-solder or check the input/output of IC1, IC800, IC851, and IC901. Finally, check the input source cable and jack.
How to troubleshoot no power on my LG LCD TV?
If your LG LCD TV is not turning on, check for a short in the main B/D. Also, check for 15V or 5V. Consider changing Lips of Lips Fail. Inspect the output of Change Q1100 and the output of Change IC1107, IC1104. Check the LED Assy and change the LED Assy if needed. Lastly, check P1100, P210 Connector.
What to do if my LG RM-20LA70 has no raster on AV or TV (RF) signal?
If your LG LCD TV shows no raster on AV Signal or TV (RF) signal (Video, S-Video), check the 5V, 33V of TU1000. Also, check the signal of Change L1209, L1210, L1212. Re-solder or check the input/output of IC1, IC800, IC851, and IC901. Finally, check the input source cable and jack.
General| Screen Size | 20 inches |
|---|---|
| Display Technology | LCD |
| Aspect Ratio | 4:3 |
| Brightness | 450 cd/m² |
| Response Time | 16 ms |
| Sound Output | 5W x 2 |
| Inputs | Component, Composite, RF |
| Resolution | 640 x 480 pixels |
| Viewing Angle | 170° (H) / 160° (V) |
