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Standard Repair Process Detail Technical Manual
Remote controller operation checking method
D. Function error_ No response in remote controller,
key error
A23
Established
date
Revised
date
Error
symptom
Content
LCD TV
A23
Check Procedure
1. Check DC5V (P402 PIN #6) onto 5V_ST Terminal
2. When checking Pre-Amp at Power On Statement,
If an indicator of analogue tester is moving a little, It is OK. But If not, it is Pre-Amp defect.
(P402 PIN #8)
(P402 PIN #8)
Input voltage terminal : 5V_ST, The remote receiving terminal : IR
2009. 7 .30