Samsung TV remote Troubleshooting & Repair with Battery Leak and intermittent PCB

The remote had two different problems. The factory batteries starting leaking and created a mess. Good thing I caught it in time before if did permanent damage. Once I got it back together the remote was intermittent. I solved the intermittent issue by reflowing the solder joints on all the board components. Remote is working again as usual.
Multimeter in this video
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Noco Battery Neutralizer
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[@Houdini_Bob]

I have a samsung series 8000 tv, I have gone through 2 remotes in which the batteries leaked out. any idea what is going on with this? this seems to happen after about 3-5 months.