Toshiba TDP-TW300U Service Manual page 41

Troubleshooting Menu Problems
Try pressing the Menu button on both the remote controller and keypad.
Yes
If the remote controller works and
the keypad doesn't, go to
Troubleshooting Keypad problems.
Menu does not appear on screen.
Start-up screen and other images appear normal.
Does the menu appear?
No
Flash or re-flash the latest software into the projector.
Does the menu appear?
No
Replace the Main board.
6-9
Chapter 6
Yes
If the keypad works and
the remote controller doesn't, go to
Troubleshooting Remote controller problems.
Yes
Problem resolved.