ELECRAFT K3 Manual
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ELECRAFT K3 Manual

High-performance 160 – 6 meter
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Download this manual See also: Owner's Manual, Instruction and Installation Manual
E
K3
®
LECRAFT
H
-P
160 – 6 M
IGH
ERFORMANCE
ETER
T
RANSCEIVER
I
C
I.F. F
NSTALLING
RYSTAL
ILTERS
Rev A, October 15, 2007
Copyright © 2007, Elecraft, Inc.
All Rights Reserved

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Summary of Contents for ELECRAFT K3

  • Page 1 ® LECRAFT 160 – 6 M ERFORMANCE ETER RANSCEIVER I.F. F NSTALLING RYSTAL ILTERS Rev A, October 15, 2007 Copyright © 2007, Elecraft, Inc. All Rights Reserved...

  • Page 2: Table Of Contents

    Contents Introduction............................... 3 Customer Service and Support..........................3 Technical Assistance ............................3 Repair / Alignment Service ..........................3 Preventing Electrostatic Discharge Damage .................... 4 How ESD Damage Occurs..........................4 Preventing ESD Damage............................. 4 Preparing for Installation .......................... 5 Tools Required ..............................5 Parts Included..............................

  • Page 3: Introduction

    Repair / Alignment Service (We want to make sure everyone succeeds!) If necessary, you may return your Elecraft product to us for repair or alignment. (Note: We offer unlimited email and phone support to get your kit running, so please try that route first as we can usually help you find the problem quickly.)

  • Page 4: Preventing Electrostatic Discharge Damage

    How ESD Damage Occurs Whenever an object containing a static charge touches a circuit in your K3, current will rush into the circuit until the components reach the same voltage as the source of the static charge. If the voltage or current that passes through a component during that brief period exceeds its normal operating specifications, it may be damaged or destroyed.

  • Page 5: Preparing For Installation

    Use a grounded anti-static mat on your work bench. • If you choose to use one to work on your K3 for any reason, be sure your soldering iron is ESD-safe with a grounded tip, tied to the same common ground used by your mat or wrist strap.

  • Page 6: Installation Procedure

    SWINGS OPEN FAR ENOUGH TO GRASP. Figure 2. Removing K3 Top Cover. CAUTION: Touch an unpainted metal ground or wear a grounded wrist strap before touching components or circuit boards inside the K3. See Preventing ESD Damage on page 4 for more information.
  • Page 7 Enter the following data on Table 1.You will need this information to set up your filters after reassembling your K3. Be sure you’re following the rule described in the step above about the proper order for the filters. Enter the bandwidth in the row opposite the filter position where it will be installed.
  • Page 8 Turn your K3 upside down and remove the bottom cover panel nearest the front to gain access to the screws that hold the filters in place. To free the bottom cover, remove the seven black pan head screws. Do not loosen the screws holding the feet.

  • Page 9: Enabling And Checking The Filters

    Turn the K3 upside down again and install the mounting screws and washers for each filter as shown in Figure 5. CAUTION 1) Use screws no longer than 1/4” (6.4 mm), as specified, measured from the flat surface below the screw head to the end of the threaded shaft. Use your ruler to measure the screws before installing them.
  • Page 10 With the K3 right side up, plug the speaker wire into P25 on the KIO3 board at the left rear of the K3 as shown in Figure 6. KIO3 BOARD IN BACK LEFT CORNER OF CHASSIS ORIENT CONNECTOR AS SHOWN TO SPEAKER Figure 6.

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