Elecraft KBPF3 User Manual

ELECRAFT® K3 HIGH-PERFORMANCE 160 – 6 METER TRANSCEIVER KBPF3 GENERAL COVERAGE RECEIVE OPTION INSTALLATION INSTRUCTIONS Rev D, June 24, 2008

10Place the KRX3 main circuit board in the bottom shield so that the 1-1/2” screws extend through holes E7 and E13 on the KRX3 board. Press the KRX

11If you removed them, place the 7/8” (22 mm) unthreaded sleeves over the long screws so they rest against the top of the circuit board (see Figure

12Remove both bottom covers from the K3 by removing the screws shown in Figure 10. SEE NOTESEE NOTESEE NOTENOTE:THESE THREE SCREWSARE 1/4" (

13Installing the KBPF3 Board on the K3 RF Board There are three connectors on the bottom of the KBPF3 board that must be properly mated to P44A, P4

14Reassembly If your K3 is equipped with the KRX3 Subreceiver, turn to your KRX3 Subreceiver Installation and Operation manual, Installing the KRX3

15Hold the top cover above the K3, route the speaker wire under the stiffener bar and plug it into P25 on the KIO3 board at the left rear of the K3

2Contents Introduction...

3Introduction This manual covers the installation of the KBPF3 General Coverage Receive option in your K3 transceiver. The KBPF3 provides the prop

4 Elecraft 1-Year Limited Warranty This warranty is effective as of the date of first consumer purchase. It covers both our kits and fully assemb

5Inexpensive static dissipating work mats are readily-available that will steadily and safely drain off any charges built up on parts or circuit bo

6Parts Included The following parts should be included in your kit. Check to ensure you have them all. If any parts are damaged or missing, contact

7 Figure 1. Removing K3 Top Cover. CAUTION: Touch an unpainted metal ground or wear a grounded wrist strap before touching components or circuit b

8 In the following steps you will handle small TMP coaxial connectors. These are friction-fit connectors shown in Figure 3. Handle the connectors

9Check to see if the KBPF3 standoffs are already mounted at the locations shown in Figure 5. if so, go directly to Installing the KBPF3 on the KRX3