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Can't read disc or can't open the disk door
Can't read disc or can't
open the disk door
Check whether the DVD loader
running is normal(the
moving or eradiating the red lase)
Check
cable from main board
connection to the loader is
normal
Check if J3 (pin36) voltage
is normal (about 8V)
Check R217/R218/R219 are
normal (the resitance are
0 OHM or fixed well )
Yes
OPU is
Yes
45pin
and
9pin
Yes
Yes
Yes
Replace the loade
4-4
NO
NO
Fix the connection the 45pin cable or
9pin cable.
NO
Fix R212/R8213/U19 on
main board
NO
Fix R217/R218/R219 on the
main board
Trouble shooting chart
Check the connection
4pin cable from the
main board
the
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