BBK DK1410SI - Page 44

Figure 3.3.2.3 Troubleshooting flow chart when URST# is always high level
Forced reset firstly
Whether the player
works normally.
Check other circuit.
Check whether R2023
is short circuit; whether
C1003 is short circuit
or electricity leakage.
Change Tc320 and
check whether the
player can work normally.
RST# is always high level.
N
Y
N
Change phase inverter
and check whether U205
(HCU04) is normal.
Change Q320
Y
OK
Whether the player
works normally.
Y
OK
N
3. URST# is always high level troubleshooting process, shown in the figure 3.3.2.3:
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