LG M2250D Service Manual page 66

Standard Repair Process Detail Technical Manual
symptom
LCD TV
Content
<ALL MODELS>
1
Checking order
1, 2. Check IR cable condition between IR & Main board.
3. When checking the Pre-Amp when the power is in ON condition, it is normal when
the Analog Tester needle moves slowly, and defective when it does not move at all.
Error
D. Function error_ No response in remote controller,
key error
Remote controller operation checking method
2
A27
Established
2010. 2 .19
date
Revised
date
3
4
ⓒ LG Electronics. Inc.2011
A27