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Appendix, cont’d
QSD 204 • AppendixA-8
6. The SDI card has a 20-pin socket on the underside which should align with
the 20 pins on the main circuit board. Be sure to align the pins properly, in
order to prevent bending the pins, before pressing the SDI card firmly in
place against the standoff. The mounting hole on the SDI card should now
be directly over the standoff.
7. Insert the card’s installation screw through the SDI card’s mounting hole
and gently tighten it into the standoff.
8. Install the SDI connector’s hex nut and keep the SDI card from twisting as
the nut is tightened.
9. Replace the top cover on the QSD 204 decoder, and fasten it with the screws
that were removed in step 3.
10. Rack/furniture mount the decoder, and reconnect the AC power cord.
20-pin socket on
back of SDI card
20-pin connector
on main board