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Summary of Contents for MFJ-950K3

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Page 2: ...ke sure you replace all of the screws nuts and washers from where they came and make sure they are all tight There is no soldering required to install the tuner board Electrostatic Discharge The K3 tuner and the MFJ 950K3 have many parts that are static sensitive and can be damaged by static discharges When working in the K3 tuner it is strongly suggested that an antistatic work mat and grounded w...

Page 3: ... screws Figure 1 3 Open the cover and carefully unplug the speaker wire 4 Remove the hardware securing U12 and U13 to the side panel Do not lose the lock washers and nuts inside the K3 5 Remove the screw and lock washer holding the KANT3 board to the spacer and the screw holding the rear panel marked with arrows 4 40 Screw Side Panel Regulator Internal Tooth Lock Washer 4 40 Nut Figure 2 ...

Page 4: ...el Do not remove the screw holding the spacer that the KANT3 board was attached to Remove Remove Remove Remove Remove DO NOT REMOVE U12 and U13 Mounting Holes Figure 4 7 Unplug the antenna connector from the KANT3 board KANT3 Board Unplug Antenna Connector from board Figure 5 ...

Page 5: ... for the ANT2 connector Squeeze the tabs in to release the connector from the back panel 10 Install the new SO 239 connector using the included hardware in the hole where the plug was Tighten the screws tight but not over tight Loose screws can cause noise problems New RF Connector 11 Install the MFJ 950K3 tuner board into the P3 socket that the KANT3 board was plugged into Support the tuner board...

Page 6: ...the black 4 40x3 8 flathead screw lock washer and nut removed from U12 and U13 See Figure 2 Figure 9 15 Bring the cover to the radio and hold over the radio carefully plug in the speaker connection into P25 on the KIO3 board oriented in the way that the diagram shows in Figure 9 16 Position the top cover on the K3 with the tabs on the cover going under the rear lip Secure the cover with the nine b...

Page 7: ...18 Connect the power and antenna to the K3 and turn it on Enable the MFJ 950K3 using the CONFIG command as described in the Owners manual Schematic Diagram ...

Page 8: ...s warranty is NOT void for owners who attempt to repair defective units Technical consultation is available by calling 662 323 5869 5 This warranty does not apply to kits sold by or manufactured by MFJ Enterprises Inc 6 Wired and tested PC board products are covered by this warranty provided only the wired and tested PC board product is returned Wired and tested PC boards installed in the owner s ...

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