- How to replace bad CPU on circuit board? - 1 Update
| legg <legg@nospam.magma.ca>: Mar 07 01:06PM -0500 On Wed, 4 Mar 2020 17:31:34 -0800, Robbie Hatley > don't know if such programmers can work in reverse, READING software > from a CPU instead of WRITING to it.) >Anyone here have some ideas regarding these two issues? You can desolder gull-wing leads, pin by pin, by slipping a 1-2mil nickel-iron strip between pin and pad, while heated. The strip can be progressively advanced along the pins, as each is freed. The nickel content prevents solder adhering to the strip. These strips are salvageable from old stick-on anti-theft devices, often found on CD cases or small electronic device packaging. You'll find 2x1mil and 1x2mil strips in each one. These strips will fasten into a standard exacto knife handle, and can be angle-cut with scissors, bent or restraightened to your prefered shape. 2mill probably is easiest to start with. An angle cut works best to start from a package corner. No point in removing a part that can't be sourced for a replacement, including code. RL |
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