Toshiba TDP- T80 Service Manual page 25

3-2.3 C. OSD Function Troubleshooting
Start
Yes
Does OSD show
up ?
Yes
Can OSD function
be adjusted ?
Yes
Can OSD data
be saved ?
Yes
End
No
Is Keypad
FFC OK ?
Yes
Is Keypad OK?
Yes
No
Keypad
Change
No
Main board
No
Change
Keypad FFC
Change
No
No
Keypad BD
Change
No
Main board
3-5
No
E. Remote Control
Troubleshooting
Main BD