Daewoo DPC-8100P, Service Manual

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B. Check U401 U402 U403 and J501 J502 to see if there is any cold or hollow
soldering and rule out the problem.
C. If the above action does not work after the inspection, replace the main board.
T42 Earphone Audio right no waveform (sound) or waveform (sound ) abnormal
Main Board
A.
Check U401 U402 U403 and J501 J502 to see if there is any cold or hollow
soldering and rule out the problem.
B. If the above action does not work after the inspection, replace the main board.
T43 Earphone Audio left no waveform (sound) or waveform (sound) abnormal
Main Board
A.
Check U401 U402 U403 and J501 J502 to see if there is any cold or hollow
soldering and rule out the problem.
B. If the above action does not work after the inspection, replace the main board.
T51 Video can’t be still or stopped
Remote control
A.
If the main body of the system works normally, then making sure that the
battery of the Remote control has sufficient power, if it is not, replace the
battery.
Main Board
A.
Check to see if U201 and U903 is damaged, and check all parts following U201
and U903 to see if there is any cold or hollow soldering, short circuit, broken
circuit, broken parts, parts missing and rule out the problem.
B. Check to see whether U901 is damaged.
C. If the above actions are not working, replace the Main Board.
T52 Can’t execute fast forward or rewind
Main Board
A.
Check to see if U201 and U903 is damaged, and check all parts following U201
and U903 to see if there is any cold or hollow soldering, short circuit, broken
circuit, broken parts, parts missing and rule out the problem.
B. Check to see whether U301 is damaged.
C. If the above actions do not work after the inspection, it means the main board or
F/W is bad. Replace the main board or re-burn the F/W (U301).
T53 Panel button
Main Board
A.
Check to see if U201 and U903 is damaged, and check all parts following U201
and U903 to see if there is any cold or hollow soldering, short circuit, broken
circuit, broken parts, parts missing and rule out the problem.
B. If the above actions are not working, replace the Main Board.
T61 Can’t enter the system setting