Philips BDP2985/F7 Service Manual page 19

Can't read disc or can't open the disk door
Can't read disc or can't
open the disk door
Check
motor runs well
Check whether 45pin and
8pin cable from main board
connection to the loader is
normal
Check
component
exists around U409 and
XP7, including the bottom
layer
NO
Try to replace loader or update
software to fix the issue.
Replace
board
GO
whether load
Yes
Yes
if any bad
or soldering
U409, XP7 or main
5-4
NO Check the connection of 4pin cable to the
main board or replace the loader motor
NO
Fix the connection 45pin cable or
8pin cable.
Yes
Fix the bad component or soldering
Trouble shooting chart