This PDF: http://sternpinball.com/downloads/sb150.pdf was also very helpful. It talks about how to pop them out.
Step 2: Insert a small flat-blade screw-driver between the
EPROM & Socket.
Step 3: DO NOT PRY! With a left-to-right gentle twisting
motion lift the EPROM partially out of the socket. Remove the
screw-driver and insert between the EPROM & Socket on the
opposite end. Repeat the left-to-right twisting motion. Now the EPROM can safely be removed.
Insertion of the new EPROM: Ensure the pins on the EPROM are straight and in-line. If any pins are bent, carefully
straighten using a flat surface. The EPROM "notched" end should align with the side indicated on the board with a
screened "notch" or with the "notch" on the EPROM Socket itself.
Note: All I.C.’s on the boards are laid out with their "notch" on the same side (all in the same direction), use the other
I.C.’s on the board for reference. Now the EPROM can safely be pushed into the socket without bending any of the pins.
Line up the pins to the holes on 1-side (Pins 1-16) of the socket & EPROM first. Do NOT push in at this point. With the
pins slightly in the holes of the socket on the one side, gently tilt the EPROM so the pins on the other side match up to the
holes of the socket. Gentle pressure may be required to guide all the pins into the holes at the same time.
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Lake Stevens, WA
