IBM 2283 Hardware Maintenance Service

Also see for 2283: User guide

Contents

Check Procedures 69Keyboard001 - START• Power off system unit and ensure the keyboard orreceiver plug is connected properly.002 -• Power on the system unit.• Run the Diagnostics program located in servicepartition.• Select Interactive Tests menu, then executeKeyboard test.003 - DOES THE KEYBOARD FUNCTIONCORRECTLY? (YES, READ AHEAD. NO, GO TOSTEP 004.)• Keyboard is functioning normally.• End.004 - ARE THERE ANY STUCK KEYS OR ANYGRIME IN THE GAP OF KEYCAPS? (YES, READAHEAD. NO, GO TO STEP 005.)• Power off the system unit. Carefully remove thegrime and solve the stuck keys problem.• Go to step 001.005 - ARE THERE ANY BROKEN PINS IN THEKEYBOARD PLUG? (YES, GO TO STEP 007. NO,READ AHEAD.)• Try with a known good keyboard.006 - DOES THE ERROR SYMPTOM STILLREMAIN? (YES, READ AHEAD. NO, GO TO STEP007.)• Replace the system board.• End.007 -• Replace the keyboard.• End.