I sent them an e-mail about this and do you know what they said? $60 to repair a ti-82! And $120 for the 92! Now my dad could probably fix it, it will just make it easier if there were schematics. >That is tech info which TI probably won't give away. You could hope >that someone here have had the same problem as you, but the safest thing to do >when hardware trouble occur is to send it to repair at TI.