Recapped IIci intermittent clock counting

KI5NYZ

6502
IIci had very little corrosion and it was isolated to pin 7 of UE13. Cleaned the board and recapped with tantalums from DigiKey. Seller shipped with PRAM battery removed and there is no damage or evidence of the battery having exploded.

The clock was originally working, but now it just stays on the last set time, whether manual or NTP. Snooper says the RTC is working fine, and the set date/time is retained after power cycle or reboot. Using a fresh cr2032 in a MacBatt module.

The mac boots and runs fine. Soft poweron and shutdown/power off works fine. Have disabled all extensions except 'date & time, and alternately with just superclock enabled with no resolution. Google-fu says Y5 or the RTC may be the culprit.

Not able to measure Y5 for a few days. Is there anything else to check for?
 
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