Subject : Stability of PSS board operation
Model : TX-P42X50B, TX-P42XT50B, TX-P50X50B,TX-P50XT50B
TX-P42X50E, TX-P42XT50E, TX-P42XT50Y, TX-P50X50E, TX-P50XT50E, TX-P50XT50Y
TX-PR42X50, TX-PR42XT50, TX-PR50X50, TX-PR50XT50
Symptom : No Power to the TV time to time ( No LED lit )
When the TV start showing the symptom, the symptom can be recreated in following procedures:
1. Remove the mains plug from the main the wall socket ( from the mains supply)
2. Reinsert the mains plug within 3minutes from the removal of the mains plug.
3. TV show the symptom on No Power and none LED lit.
4. Remove the mains plug again and wait for longer than 3 minutes then reinsert the mains plug
again then the symptom disappear.
Cause : Unstable operation of IC U203 used on PSS boards (42": N0AE6JK00005; 50": N0AE6JK00006)
Remedy : Replace IC U203 on PSS boards with segregated ones.
