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  1. You only need to do this step once. The standoffs can remain attached to the template permanently. Identify the green Assembly Template PCB. It has the part number TD-OCSE-D-AT printed on it. Note the orientation of the board. Standoffs will be installed on the side that says THIS SIDE FACES DOWN.
    • You only need to do this step once. The standoffs can remain attached to the template permanently.

    • Identify the green Assembly Template PCB. It has the part number TD-OCSE-D-AT printed on it.

    • Note the orientation of the board. Standoffs will be installed on the side that says THIS SIDE FACES DOWN.

    • Locate three M2.5 × 10 mm standoffs.

    • Secure each standoff using one M2.5 × 6 mm pan head machine screw, in the three locations shown.

    • Flip over the completed Assembly Template, which is now ready to be used.

  2. Identify the Main Board assembly PCB. It has part number TD-OCSE-D2-MB printed on its bottom side. The Main Board should have all surface-mount soldering already done before continuing.
    • Identify the Main Board assembly PCB. It has part number TD-OCSE-D2-MB printed on its bottom side.

    • The Main Board should have all surface-mount soldering already done before continuing.

    • For ease of access to the solder pads, it is highly recommended to solder through-hole component H5 before continuing.

    • Do not solder any of the following components yet.

    • Place components S1 and S4.

    • Place components S2 and S3.

    • Place components J1-12.

    • Note that four pairs of these components each share a common hole for their grounding pins.

  3. Locate the white plastic Assembly Spacer part. Make sure that the flat side of the Assembly Spacer is facing up when orienting it relative to the board.
    • Locate the white plastic Assembly Spacer part.

    • Make sure that the flat side of the Assembly Spacer is facing up when orienting it relative to the board.

    • Position the Assembly Spacer above the four components S1-4 and slide it down onto them.

    • The Assembly Spacer should rest on top of the four components with no gaps. All four component shafts should be extending through the Assembly Spacer, as shown.

  4. Position the prepared Assembly Template above the Main Board as shown. Gently slide the Assembly Template down over all the loose components and the Assembly Spacer.
    • Position the prepared Assembly Template above the Main Board as shown.

    • Gently slide the Assembly Template down over all the loose components and the Assembly Spacer.

    • You may have to gently wiggle the Assembly Template to ensure that it is fully seated on all of the components underneath it. Each of the metal standoffs should sit flush against the top surface of the Main Board PCB below.

    • Verify that all components are seated correctly and are sticking out through the top surface of the Assembly Template.

Daniel Gilbert

Member since: 12/7/19

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