NorthStar Z80 Manual page 15

Inspect the board in a good light to insure that:
C. all parts are installed in the correct
l~cations
with the
correct orientation.
-Remove the PC board from the computer and then plug in the
Z80A chip with correct orientation. Refer to the Assembly
Information section for MOS device handling procedures.
14
A. all solder joints are good, i.e. there are no bridges of
solder beween adjacent solder joints, no unsoldered
joints, and no cold solder jo~nts indicated by a dull
finish on the solder.
B. all-IC pins are in the IC socket holes, nbt outside the
socket and not folded under the chip. Pins folded under
can often be detected by sighting down a row of chips to
see if there is any blockage of light under the chips.
-North Star Z80A PROCESSOR BOARD
The ZPB is now completely assembled. Proceed to the ZPB Board
Checkout section.