55LV3730 (CHASSIS:LB12B) - LG TV Service Manual (repair manual). Page 87

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Established 
date 
Standard Repair Process Detail Technical Manual
Revised 
date 
LCD TV
Error 
symptom
Check Touch Value and Threshold
Content
D. Function error_ No response in remote controller,
key error
D-1-4
1. Press the ADJ Button on the remote controller for adjustment.
2. Check THR Value (Default : 6/7/7/7/6/7/7/7) (THR range is 5~25, 5 is most 
sensitivity)
3. When touch the Touch PCB, and Touch value must lager than 10
4. IF Touch value is less than 10, adjust THR Value.
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