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9 DVD ROM
A. If the abnormal picture is the problem of pause or skipping tracks, then making
sure if the disc has any scratches or dirt, if no such problems then replace the
loader.
z T24
、
DVD abnormal picture
9 Main Board
A. Check U1 to see if there is any cold or hollow soldering and short circuit
problem and rule out the problem.
B. Check the resistors or capacitors of J2, U1 or those adjacent to IC to see if there
is any hollow soldering, cold soldering, wrong part, or misplaced soldering.
C. If the above actions are not working, replace the Main Board.
9 DVD ROM
A. If the abnormal picture is the problem of pause or skipping tracks, then making
sure if the disc has any scratches or dirt, if no such problems then replace the
loader.
z T25
、
Picture subtitle abnormal display or no display
9 Main Board
A. Remove the top cover and dis-assemble F/W (U6). Replace it with a good F/W
or re-plug it, then check if the action is normal. Otherwise replace the F/W.
B. Check U1 to see if there is any cold or hollow soldering and short circuit
problem and rule out the problem.
C. If the above actions are not working, replace the Main Board.
z T26
、
Setting menu abnormal picture
9 Main Board
A. Check U1 to see if there is any cold or hollow soldering and rule out the
problem.
B. If the above actions are not working, replace the Main Board.
z T31
、
Audio /left channel (AOL) no sound or abnormal sound
9 Main Board
A. Remove the cover. Check J8 on the Main board to see if there is any cold
soldering, hollow soldering, or damage. Rule out the problem.
B. Check all parts following AOL to see if there is any cold or hollow soldering,
short circuit, broken circuit, parts missing, wrong parts and rule out the
problem.
C. If the above actions are not working, replace the Main Board.
z T32
、
Audio /right channel (AOR) no sound or abnormal sound
9 Main Board
A. Remove the cover. Check J8 on the Main board to see if there is any cold
soldering, hollow soldering, or damage. Rule out the problem.
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