Tools Featured in this Teardown

Introduction

Teardown of the TI BA II Plus calculator.

This teardown is not a repair guide. To repair your Texas Instruments TI BA II Plus, use our service manual.

The BA II Plus Professional calculator.
  • The BA II Plus Professional calculator.

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Firstly on the back cover, remove the small sticky soft cushioning material covering the recess with the screws in it. 4 of them in total. Unscrew them.
  • Firstly on the back cover, remove the small sticky soft cushioning material covering the recess with the screws in it. 4 of them in total. Unscrew them.

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Remove the battery cover by sliding it out.
  • Remove the battery cover by sliding it out.

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Use a flathead screwdriver to gently part the bottom and top cover at the hinge on the top.
  • Use a flathead screwdriver to gently part the bottom and top cover at the hinge on the top.

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Removing the back cover to reveal the foil, unscrew the 4 screws holding the foil and 4 other holding the printed circuit board to the front cover.
  • Removing the back cover to reveal the foil, unscrew the 4 screws holding the foil and 4 other holding the printed circuit board to the front cover.

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Remove the foil. Ensure all screws are off.
  • Remove the foil. Ensure all screws are off.

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This must separate the front cover from the board. Remove the board and turn it over to view the front side with a soft black cushion cover over a smooth shinny mesh.
  • This must separate the front cover from the board. Remove the board and turn it over to view the front side with a soft black cushion cover over a smooth shinny mesh.

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The keys should fall out of the front cover when you turn it over as well.  Thats it!!!
  • The keys should fall out of the front cover when you turn it over as well. Thats it!!!

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VSP

Member since: 06/23/2013

101 Reputation

1 Guide authored

2 Comments

Well, my TI BA II plus has a broken LCD screen which according to the customer care is not covered under the warranty. Is it possible to find a replacement LCD to replace the broken one in the calculator.

Thanks

VSP - Reply

My calculated get in water, now its not working is there any way to repair it.

ankur - Reply

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