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The power can not be on or off
The power can't be
Check the power supply
on the power board is
normal.
Check if the CON301 on
the front board to CN5
on the decoder board is
in good contact.
Whether the connection
to K301 is broken.
Whether there is 0V and
3.3V voltage difference on
Pin 104 PCON of U2.
on or off
Go
Yes
Yes
Yes
Yes
Yes
4-12
Remark: Trouble shooting chart for
No
Repair the power board
No
Check/Correct connection
No
Correct the connection
No
Replace U2.
Trouble shooting chart
DVP5166K/XX, DVP5168K/XX
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