-If the above actions do not work, then replace the main board.
2. DVD ROM (less chance to happen)
-If it is useless to change the main board, then replace DVD ROM.
T21 Video 1 no video / abnormal
1. Main Board
-Remove the top cover, check all flat cables in the system to see if they are correctly
plugged to the fixed positions, or re-plug them.
-Check pin2 of J13 to see if there is any cold or hollow soldering and rule out the
problem.
-Check RLC following CVBS0 to see if there is any wrong parts, cold and hollow
soldering, short circuit, broken circuit, broken parts and rule out the problem.
-If the above actions do not work, then check UM2 to see if there is any cold or hollow
soldering and short circuit problem and rule out the problem.
-If the above actions do not work, then replace the main board.
T22 Video 2 no video / abnormal
1. Main Board
-Remove the top cover, check all flat cables in the system to see if they are correctly
plugged to the fixed positions, or re-plug them.
-Check pin2 of J13 to see if there is any cold or hollow soldering and rule out the
problem.
-Check RLC following CVBS1 to see if there is any wrong parts, cold and hollow
soldering, short circuit, broken circuit, broken parts and rule out the problem.
-If the above actions do not work, then check UM2 to see if there is any cold or hollow
soldering and short circuit problem and rule out the problem.
-If the above actions do not work, then replace the main board.
T23 S-Video no video / abnormal or black & white
1. Main Board
-Check RLC following Y_OUT and C_OUT to see if there is any wrong parts, cold and
hollow soldering, short circuit, broken circuit, broken parts and rule out the problem.
-If the above actions do not work, then check UM2 to see if there is any cold or hollow
soldering and short circuit problem and rule out the problem.
-If the above actions do not work, then replace the main board.
T24 VCD abnormal picture
1. Main Board
