Philips DVP5980 Service Manual page 13

The power can not be on or off
Check the power supply
on the power board is
normal.
Check if the CON301 on the front
board to CN1 on the decoder
board is in good contact.
Whether the connection
to K301 on the switch
board is broken.
Whether there is 0V and
3.3V voltage difference on
Pin 201 PCON of U5.
The power can't be
on or off
Go
Yes
Yes
Yes
Yes
Yes
4-2
No
Repair the power board
No
Check/Correct connection
No
Correct the connection
No
Replace U5.
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