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Identify the green Assembly Template. It has the part number TD-OCSE-D-AT printed on it.
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Note the orientation of the board. The standoffs will be installed on the side that has THIS SIDE FACES DOWN printed on it.
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Locate three M2.5 × 10 mm female standoffs.
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Secure each standoff using one M2.5 × 6 mm pan head machine screw in each of the three locations shown.
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Flip over the completed Assembly Template. It is now ready to be used.
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Identify the Main Board assembly. It has part number TD-OCSE-D2-MB printed on its bottom side.
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Place components S1 and S4.
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Place components S2 and S3.
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Place components J1-12.
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Locate the white plastic Assembly Spacer part.
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Position the Assembly Spacer above the four components S1-4 and slide it down onto them.
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The Assembly Spacer should rest on top of the four components with no gaps. All four component shafts should be extending upwards through the Assembly Spacer as shown.
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Position the prepared Assembly Template above the Main Board as shown.
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Gently slide the Assembly Template down over all the loose components and the Assembly Spacer.
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Verify that all components are seated correctly and are sticking out through the top surface of the Assembly Template as shown.
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Grip the pair of boards and flip them over while applying slight pressure, holding them together so that none of the components become unseated.
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Locate and fasten three M2.5 × 6 mm pan head machine screws to secure the Assembly Template to the Main Board, sandwiching all of the loose components and the Assembly Spacer solidly in-between them.
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Now solder all of the loose through-hole components in place. There are a total of 16 components with 58 solder joints.
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Remove the three M2.5 × 6 mm pan head machine screws from the Main Board side of the assembly and put them aside for the next iteration.
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Gently lift the Main Board away from the Assembly Template and the Assembly Spacer. They should both slide off easily without applying much force.
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Inspect the Main Board assembly and verify that both of the following statements are true:
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There are no gaps between the plastic bases of components J1-12 and the top surface of the Main Board.
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The shafts of components S1-4 rise perpendicularly (at a 90º angle) compared to the top surface of the Main Board.
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This completes the process.
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Almost done!
Finish Line