Texas Instruments TI-30X IIS Solar Panel Replacement

Introduction

After many years of use, the solar panels in your Texas Instruments TI-30X IIS will slowly decay, and their capacity to charge will diminish. Thankfully, this can be easily fixed with a bit of time, patience, and some basic tools.

This guide demonstrates how to remove and replace the solar panels.

Caution: Desoldering and soldering presents the potential for device damage and burns. Always solder in well-ventilated environments.

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Étape 1 Solar Panel

Texas Instruments TI-30X IIS Solar Panel Replacement, Solar Panel: étape 1, image 1 de 2

Texas Instruments TI-30X IIS Solar Panel Replacement, Solar Panel: étape 1, image 2 de 2

Use a Phillips #000 screwdriver to remove the four 5 mm screws securing the back panel.

Modifier

Étape 2

Wedge an opening tool in the gap between the front and back panel, then gently pry until the tabs release.

Modifier

Étape 3

Use a Phillips #000 screwdriver to remove the two 3 mm screws securing the motherboard.

Modifier

Étape 4

Desoldering and soldering presents a potential for device damage. Always solder/desolder in well-ventilated environments and with care not to burn yourself.
Desolder the positive the negative terminals on the motherboard.

Modifier

Étape 5

Desoldering and soldering presents a potential for device damage. Always solder/desolder in well-ventilated environments and with care not to burn yourself.
Gently lift up the front of the motherboard, at the top of the calculator.
Desolder the positive and negative terminals on the solar panel
Use the tip of a spudger to "walk" the solar panel out of its housing, by pushing it down through the two cutouts until it slides out of the bottom.
Remove the solar panel.