486dx2 Cmos Batteries

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Reply 20 of 21, by weedeewee

Posted on 2021-03-10, 18:41

weedeewee Offline

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Posts: 3332
Joined: 2021-01-31, 16:09
Location: Belgium, Earth

so either the trace is damaged, or the resistor, or the diode.

Hope you can fix it.

Right to repair is fundamental. You own it, you're allowed to fix it.
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Reply 21 of 21, by majestyk

Posted on 2021-03-10, 18:50

majestyk Offline

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Rank: Oldbie
Posts: 1522
Joined: 2020-12-04, 09:13

I once had an Epox MVP3-G5 that discharged any 3V lithium cell within one day.
The culprit was a ceramic capacitor between Ubatt and ground that had an insufficient insulation resistance.
Took me quite a while to find it.

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