Philips BDP2105, Service Manual, Page: 30 / 71

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