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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 wrist strap be used to reduce the chances of static electricity damage.
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Installation 1. Disconnect all power and cables from the K3 2. Remove the 9 screws holding the top cover. The screws to remove are marked with arrows in the diagram. Do not remove the unmarked screws. Figure 1 3. Open the cover and carefully unplug the speaker wire. 4.
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Remove Remove KANT3 Board Figure 3 6. Remove the screws holding the side panel. Do not remove the screw holding the spacer that the KANT3 board was attached to. DO NOT REMOVE Remove Remove U12 and U13 Mounting Holes Remove Remove Remove Figure 4...
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Loose screws can cause noise problems. New RF Connector Figure 7 11. Install the MFJ-950K3 tuner board into the P3 socket that the KANT3 board was plugged into. Support the tuner board while plugging in the antenna connections.
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Figure 8 12. Start reassembly of the K3 by reinstalling the right side panel by installing the 4-40x3/16 screws removed in step 6 (see Figure 4). 13. Reinstall the 4-40x1/4 Zinc pan head screw and lock washer holding the tuner board to the spacer attached to the right side panel and the black 4-40x3/16 flat head screw that holds the side to the back panel.
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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...
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MFJ Enterprises, Inc. warrants to the original owner of this product, if manufactured by MFJ Enterprises, Inc. and purchased from an authorized dealer or directly from MFJ Enterprises, Inc. to be free from defects in material and workmanship for a period of 12 months from date of purchase provided the following terms of this warranty are satisfied.
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