BBK DV718SI - Page 48

Load
disc and observe
whether disc rotation
speed is
normal
N
Whether
there is RF signal
N
Check whether MT1389 and
R201, C210 is normal
Y
Check
whether LDO_DV33 is
normal
N
Y
A1
Y
A2
Change loader
Change
loader and check
whether it is
normal
N
Whether
ABCDEF signal is
normal
N
Y
Y
Check XS301 and flat cable
Check MT1389 and peripheral
elements
Check MT1389 and peripheral
elements
Check MT1389
Check
whether LD01 is
normal
N
Y
Change 24P flat cable cord
Figure 3.2.2.6 Troubleshooting flow chart for “Not read disc”
- 44 -