ELECRAFT KXPA100 Spezifikationen

ELECRAFT KXPA100 100-WATT AMPLIFIER KIT ASSEMBLY MANUAL Revision A2, March 15, 2014 Copyright © 2014, Elecraft, Inc. All Rights Reserved

10KXAT100 Antenna Tuning Unit If you do not have the optional KXAT100 Antenna Tuning Unit, go directly to Connecting the Rear Panel Cables on page

11 Taking ESD precautions, remove the ATU module pc board from its packaging. Place it on the standoffs you just installed so that the two plugs o

12 Secure the ATU module pc board to the four standoffs using the screws and lock washers you removed earlier as shown in Figure 8. Note that ther

13 The spacing between the ATU module and the low pass filter board below it is critical for the front panel to fit and the switches to operate sm

14 Add the lock washer as shown below only if the front panel does not fit as shown in Figure 10. Figure 11. Adding Lock Washer to Standoffs.

15 Locate the envelope containing the SO-239 connector with a 4” (10.2 cm) cable attached packed with the ATU module and install it in the ANT 2 o

16 Connect the cables with the TMP connectors on the rear panel to the amplifier as follows:  If you have the optional KXAT3 ATU, see Figure 15.

17 Figure 16. Connecting the Rear Panel Cables with no ATU. Pass the small jack through the hole marked RS232 (PC) on the rear panel and secure

18Installing the Enclosure Unwrap the U-Cover and inspect the flanges at both ends to ensure they are clean metal. Remove any paint overspray or

19 Place the U-Cover over the amplifier pc boards as shown in Figure 19. Be sure the lettering on the U-Cover is nearest to the rear panel with th

Contents Introduction ...

20 Position the front panel so the LEDs, OFF/ON, TUNE and MODE switches fit through the openings. Secure the front panel with screws, lock washers

21 Install a foot at each corner of the enclosure as shown in Figure 22. When the foot is pressed over the screws, lock washers and spacers you in

22 Install the strap handle on the side of the KXPA100 as shown in Figure 23. Note that one side of the enclosure has two threaded bushings and th

23Setup and Operation That completes the assembly of your KXPA100. Refer to your KXPA100 Owner’s manual for Setup and Operation instructions.

A1 Appendix A - Illustrated Parts List Your kit contains a number of envelopes, boxes and packages of parts. Check the contents of each one careful

A2 KXPA100-K Hardware Bag E850585 ILLUSTRATION DESCRIPTION QTY. ELECRAFT PART NO. Handle with 2 End Caps 1 E980115 Foot and Corner Bumper 4

A3 KXPA100 SO239 TMP Cable 4” Envelope E850584 ILLUSTRATION DESCRIPTION QTY. ELECRAFT PART NO. SO259 – TMP Cable (typical) SO259 Connector with 4”

A4 KXAT100 Box E850594 These parts are supplied only if you ordered the KXAT100 ATU option with your kit. ILLUSTRATION DESCRIPTION QTY. ELECRAFT

3Introduction This manual will guide you through assembly of your Elecraft KXPA100 amplifier. The optional KXAT100 antenna tuning unit (ATU) fits

4 Elecraft 1-Year Limited Warranty This warranty is effective as of the date of first consumer purchase (or if shipped from the factory, the date

5Preventing Electrostatic Discharge Damage Sensitive components may be damaged by Electrostatic Discharge (ESD) simply by touching them or a circu

6Unpacking and Inventory CAUTION Do not handle the circuit board assemblies without anti-static protection! Doing so may damage sensitive compon

7Assembly Procedure IMPORTANT ASSEMBLY INFORMATION  Check off the steps as you finish each one. Skipping a step is easy to do without taking a

8Rear Panel Assembly Locate the rear panel. The inside surface should be clean bare metal. It was taped to avoid overspray during painting. Remov

9 Place two #6 flat washers on the black thumbscrew and thread it into the threaded bushing GND next to the RF IN connector on the rear panel as s