Toshiba TDP-SW20 Service Manual page 65

Troubleshooting Keypad Problems
Keypad does not respond to key presses.
Is a known good
Key B. available for
substitution ?
Yes
Substitute the good key Board.
Does the projector
Respond the key
presses ?
Yes
Replace the Key Board.
Replace the MAIN Board.
No
Substitute a known good MAIN Board.
No
Does the projector
Respond the key
presses ?
No
Replace the Key Board.
Replace the MAIN Board.
Yes
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