Service manual

6-7
Chapter 6
Yes
No
Install known good batteries in the remote controller.
No
Use a known good remote with the projector
Replace the Main board.
Keypad does not
respond to key presses.
Yes
No
No
Substitute the good key board.
Replace the Main board.
Substitute a known
good Main board.
Replace the Main board.
Replace the key board.
No
Yes
Infrared Remote Problem
Problem resolved
Problem resolved
Replace the key board.
Yes
Troubleshooting Remote Controller Problems
Does the remote work?
Does the remote work?
Troubleshooting Keypad Problems
Is a known good Key B.
available for substitution?
Does the projector
Respond the key presses?
Does the projector
respond the key presses?