ELECRAFT KRX3 Instrukcja Właściciela Pobierz pdf (Strona 13)

Reinstalling the KIO3 Board

Replace both bottom covers using the 4-40 black pan head screws you removed earlier. Note that three

locations take the 4-40 1/4” (6.4 mm) black pan head screws with lock washers as shown in Figure 6, while the

remainder are 4-40 3/16” (4.8 mm) screws . Be sure to replace these screws in the correct locations. Make sure

all the screws are secure, but do not over tighten them/

CAUTION!

Failure to replace the three 1/4” (6.4 mm) screws with their lock washers in the

locations shown in Figure 6 may destroy power transistors in your K3!

Check the KIO3 board and ensure the screws holding the two standoffs are tight. Also check to ensure the

connector on the Audio I/O daughter board is fully mated with J91 on the KIO3 Main board (see Figure 13).

Figure 13. Check KIO3 Audio I/O Board Mating.

Replace the KIO3 Main Board with the Audio I/O daughter board attached in the K3 as shown in Figure 14.

The Audio I/O board fits just over the KXV3 board assembly and the TMP cable passes through the space

between the edge of the KXV3 board and the KIO3 board. Ensure the KIO3 connectors are fully mated so the

standoffs line up with the holes in the rear panel.

Figure 14. Installing KIO3 Main Board.

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ELECRAFT KRX3 Instrukcja Właściciela Strona 13