This CPU can also replace the older uPD8049C-238, which you will
find in some of the early units. When replacing uPD8049C-238 in
an old version Juno, a modification to the reset circuit is needed.
For technical details consult the service manual, page 9.
Check my other items for the D80C49C-028 (for Juno 60
Panel Board B) and for other obsolete MASK ROM CPUs.
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