Daewoo DPC-7600 Service Manual - page 30
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9 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.
9 Main Board
A. Check to see if U1 and U15 is damaged, and check all parts following U1 and
U15 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.
z T52
、
Can’t execute fast forward or rewind
9 Main Board
A. Check to see if U1 and U15 is damaged, and check all parts following U1 and
U15 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 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 (U6).
z T53
、
Panel button
9 Main Board
A. Check to see if U1 is damaged, and check all parts following U1 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.
z T61
、
Can’t enter the system setting
9 Main Board
A. Check U1、U15 to see if there is any cold or hollow soldering and reverse
soldering of IC or parts missing.
B. If the above actions do not work after the inspection, it means the main board or
F/W is bad.
C. Replace the main board or re-burn the F/W (U6).
z T62
、
System can’t play or system down after setting
9 Main Board
A. Check U11,U3 to see if there is any cold or hollow soldering and reverse
soldering of IC or parts missing.
B. 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 (U6).
z T71
、
TFT image and color error
9 Main Board
A. Check J11 connected to the driver board to see if there is any problem of
plugging. Rule out the problem.