LG RM-20LA66K LCD TV Service menu

 LG LCD TV RM-20LA66K CHASSIS : ML-041B


1. Application Object
This instruction is for the application to the LCD TV.
2. Adjustment
2.1 Adjustment overview The unit is set to automatically adjust using the
factory automation equipment. However when errors occur, it should be adjusted manually.
2.2 Auto Gain/Offset adjustment
2.2.1 RF Mode adjustment
2.2.1.1 Adjustment preparation Conduct Heat Run at the RF fog signals for more than 30 minutes.
2.2.1.2 Auto Gain/Offset adjustment, Press IN-START Key to convert to the adjustment mode using the adjustment (SVC) remote controller, and press VOL+ Key at the Auto Gain menu.
(In case of RM-20LA70, press IN-START Key twice) Once the adjustment is completed, press the Enter
Key to save and finish the adjustment.
2.2.2 Component Mode adjustment
2.2.2.1 Adjustment preparation

TV Service menu LG RM-20LA66K LCD

LG RM-20LA66K LCD TV Service menu

Photo credit : wikimedia.org

Conduct Heat Run at the RF fog signals for more than 30 minutes.
Connect the Pattern Generator to the Component Jack (Y, Pb, Pr) of LCD TV.
2.2.2.2 Auto Gain/Offset adjustment Convert the input mode to the component input.
Using the Pattern Generator (801GF, VG819) adjust 480P for resolution and Color Bar
signals for patterns. Or adjust Color Bar signals in accordance with VG819.
Press the IN-START Key to convert into the adjustment mode using the adjustment (SVC) remote
controller, and press VOL+ Key at the Auto Gain menu.
Once the adjustment is completed, press the Enter Key to save and finish the adjustment