Philips DVP3140 Service Manual page 12

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 94 PCON of U1.
All manuals and user guides at all-guides.com
on or off
Go
Yes
Yes
Yes
Yes
Yes
4-2
Remark: Trouble shooting chart for
No
Repair the power board
Check/Correct
No
connection
No
Correct the connection
No
Replace U1.
Trouble shooting chart
DVP3140/XX