Check MT1389 and its
peripheral
Change loader
Whether
there is ABCDEF signal
Check CN101 and flat cable
Change 24P flat cable
Whether
disc rotation speed is
normal
Whether
there is RF signal
Change loader
Check
whether LD-DVD
LD-CD is normal
Check Mt1389
Check
Q110, Q111
and socket Cn101
Change
B1
B2
Figure 3.3.2.2 Troubleshooting flow chart for “Not read disc”
Y
N
N
N
N
Y
Y
Y
N
Y
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