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B. Disassemble U6 F/W, replace with a good one or re-plug it to see if the
symptom will disappear.
C. Check the resistors or capacitors of J1,J2 , U8 ,U1on the main board, or those
adjacent to IC to see if there is any hollow soldering, cold soldering, wrong part,
or misplaced soldering.
D. If the above actions are not working, replace the Main Board.
9 DVD ROM
A. Check the loader to see if it is not stable (any condition that some of the discs
can’t be played). If so, replace the loader.
9 DVD DISC
A. Check the Test Disc to see if there is any serious scratch or ring shape, circular
shape scratches, if so, replace the Test Disc and test again.
z T08
、
Power on unstable
9 Remove the top cover, and change the last version F/W to Main Board U6.
z T0
9、Run-In
9 F/W
A. Check the components on the Main Board for any burnt marks.
9 PCBA
A. Check PCBA vision.
z T0A
、
Power on unstable
9 Main Board
A. 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.
B. Disassemble U6 F/W. Replace it with a good one or re-plug it to see if the
symptom will disappear.
C. If the above actions are not working, replace the Main Board.
z T0B
、
Abnormal sound in the machine base (Power on abnormal sound)
9 DVD ROM
A. Check the loader to see if it is the source of the abnormal sound. If so, replace
the loader.
z T11
、
Disc drive can’t read (NO DISC)
9 Main Board
A. Check the resistors or resistor-array adjacent to U1 Pin18~21 and Pin57~58 or
IC to see if there is any hollow soldering or cold soldering.
B. Check the resistors or capacitors of J1, J2, U8 ,U1 those adjacent to IC to see if
there is any hollow soldering, cold soldering, wrong part, or misplaced
soldering.
C. Check to see whether J2 is damaged.
D. If the above actions are not working, replace the Main Board. If it is still not
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