04TV101
KDE-P37XS1, KDE-P42XS1, KE-P37XS1, KE-P42XS1 BC
Subject IRIS
Intermittently No Picture and No Sound 231X
SYMPTOM
Intermittently no picture and no sound.
CAUSE
Drop of the 3.3V output voltage due to an invisible crack in the soldering of FB4692 on the A3 Board.
SOLUTION
Resolder both sides of FB4692.
