Dec 162015

I got this Toaplan Out Zone PCB for a repair:


When I powered it up I was greeted by this screen:


This kind of error doesn’t necessarily imply that a RAM chip is faulty but also that it can’t be “reached” from the device which wants to read/write it.In this particular hardware the device in question is a custom ASIC sprites generator marked “FCU-2” also used in other Toaplan games:


I went to inspect it and found some lifted pins:


Blocking the PCB with a vise, I did a reflow of the involved pinsFCU-2_reworking

100% fixed!


 Posted by at 11:19 pm

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