crwdns2933803:08crwdne2933803:0
crwdns2933797:0Sarah Piercecrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Sarah Pierce
- crwdns2933769:0crwdne2933769:0
- crwdns2933771:0crwdne2933771:0
- crwdns2933801:0crwdne2933801:0
crwdns2933807:0crwdne2933807:0
| [title] Examine & Test | |
| [* black] Examine the contact pads for corrosion. | |
| - | [* black] To test if the corrosion is causing |
| + | [* black] To test if the corrosion is causing the calculator to not power on: |
| [* black] Place good batteries in the back of the case (proper direction) | |
| [* black] Lay the circuit board over the batteries (4 little posts will align them) | |
| [* black] Press down a little over the batteries to make sure they have a good connection (if necessary) | |
| [* black] Tap a screwdriver to short the "ON" contact pad (top right) | |
| [* black] If the display comes on, then the corrosion is the problem | |
| + | [* black] Follow the same steps for testing if the corrosion is causing a key not to work. Except short the contact pad for that key to test it. |