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crwdns2933797:0Sarah Piercecrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Sarah Pierce
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| + | [title] Examine & Test |
|---|---|
| + | [* black] Examine the contact pads for corrosion. |
| + | [* 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. |
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