ELECRAFT K2 Manuals

Manuals and User Guides for ELECRAFT K2. We have 8 ELECRAFT K2 manuals available for free PDF download: Owner's Manual, Instruction Manual, Troubleshooting, Assembly And Operating Instructions, Instructions, Quick Reference Card

ELECRAFT K2 Owner's Manual (161 pages)

160-10 Meter SSB/CW Transceiver

Brand: ELECRAFT | Category: Transceiver | Size: 4 MB

Table of Contents
3
Introduction
4
Pre-Wound Toroids Available
4
Elecraft
4
Customer Service Information
5
Technical Assistance
5
Repair Service
5
Specifications
6
General
6
Transmitter
7
Keyer
7
Receiver
7
Preparation for Assembly
8
Overview of the Kit
8
Board-To-Board Connectors
9
Front Panel
9
Control Board
9
RF Board
9
Unpacking and Inventory
10
Identifying Capacitors
10
Hard-To-Identify Capacitor Values
10
Resistors, Chokes, and the Color Code
11
Tools
11
Color Code
11
Assembly Notes
12
Photographs
12
Bottom-Mounted Components
12
Step-By-Step Assembly
12
Integrated Circuits and ESD
13
IC Sockets
13
Soldering, Desoldering, and Plated-Through Holes
13
When Removing Components
13
Components
14
Control Board
14
Assembly
15
Option Components
21
Visual Inspection
21
Resistance Checks
21
Front Panel Board
22
Uninstalled Components
28
Rf Board
33
Assembly, Part I
34
Bottom of Board
34
Alignment and Test, Part II
58
4 Mhz Oscillator Calibration
58
PLL Reference Oscillator Range Test
58
VCO (Voltage-Controlled Oscillator) Test
58
VCO Alignment
59
VCO Voltage Readings
59
BFO Test
60
BFO Alignment
61
VFO Linearization
61
I.F. Amplifier Alignment
62
Assembly, Part III
62
40-Meter Band Pass Filter Alignment
62
Uninstalled Components
68
K160RX Component Installation (Optional)
69
KSB2 Component Installation (Optional)
69
Other Option Component Installation (Optional)
69
Alignment and Test, Part III
72
40-Meter Transmitter Alignment
73
Receiver Pre-Alignment
74
Transmitter Alignment
75
Final Assembly
76
Finishing Touches
78
Operation
79
K2 Rear Panel
80
Connections
81
Power Supply
81
Antenna
81
Keying Devices
81
Controls and Display
82
LCD and Bargraph Meter
82
Potentiometers
82
Switch Functions
83
Tap and Hold Functions
83
Two-Switch Combinations
83
Using the Menu
84
Primary Menu Functions
84
Calibration Functions
85
Frequency Counter (CAL FCTR)
85
Transmit Current Limit (CAL CUR)
85
S-Meter Calibration (CAL S LO, CAL S HI)
85
Circuit Details
85
Filter Settings (CAL FIL)
86
Basic CAL FIL Setup
86
BFO Displays
86
Other CAL FIL Operations
86
CAL FIL Example
87
Recommended Filter and BFO Settings
87
Filter and BFO Settings Used
87
Basic K2 Operation
88
Mode Selection
88
Receiver Configuration
88
Audio Filter Control
88
LCD and Bargraph Configuration
89
Frequency and Band Selection
89
Day/Night Selection
89
Display Modes
89
Default Frequency Memories
90
Direct Frequency Entry
90
Tuning Rates
90
VFO Lock
90
Power Control
91
VFO Selection
91
Split and Reverse Operation
91
Atu
91
RIT and XIT
92
Automatic Antenna Tuner (ATU)
92
Backup Timer
92
CW Operation
93
Keying Device Selection
93
External Keying Auto-Detect
93
Basic CW Setup
94
The SPOT Switch
94
Using the Internal Keyer
94
CW Frequency Display
94
Message Memories
95
CW Reverse
95
Sidetone Pitch and Receive Offset
95
Setting the Auto-Repeat Interval
95
SSB Operation
96
SSB Controls
96
Microphone Configuration
96
Rtty/Data Operation
96
Advanced Operating Features
97
Scanning
97
To Use Scanning
97
Reducing Current Drain for Portable Operation
98
Programmable Function Switches (PF1/PF2)
98
AGC On/Off Control
98
Using a Separate Receive Antenna
98
Frequency Calibration Techniques
99
Firmware Revision Numbers
99
Using an External Counter or Ham-Band Receiver
99
Using a Calibrated Signal Source
99
Resetting the Configuration to Factory Defaults
100
Computer Control of the K2
100
Fine RIT Mode
100
Secondary Menu Functions
101
Squelch (SLCH)
101
Tuning Rate Selection (RATES)
101
Keying Weight (DOT)
101
RS232 Interface Setup (PORT)
102
SPLIT/RIT/XIT Configuration (SPLT)
102
10 And 12 M Power Limit in SSB/RTTY Modes (Po28)
102
Rtty/Data Mode (RTTY)
102
Transverter Bands (TRN1/TRN2/TRN3)
103
Using Transverter Bands
103
Controlling Transverter Relay
103
Using the K60XV Option with Transverters
103
Circuit Details
104
System Overview
104
Signal Flow
104
Crystal Filters and BFO Settings
105
Microcontroller (MCU)
105
CW Normal or LSB
105
CW Reverse or USB
105
Latching Relays
106
Co-Processors and the Auxbus
106
Synthesizer
108
Receiver and Low-Level Transmitter Circuits
109
Filters and I/O Controller
110
Transmitter Amplifier
110
Options
111
KNB2 Noise Blanker
111
KAT2 Automatic Antenna Tuner
111
KBT2 Internal 12-V Battery
111
Parts List
112
Relay Table
134
VCO Table
134
Diodes
134
Transistors
134
Schematic
134
Special Symbols
134
Pushbutton Switches
135
Block Diagram
141
Troubleshooting
142
Troubleshooting Tables
142
INFO Messages
142
General Troubleshooting (000-049)
142
075 Possible MCU Problem
146
080 IOC Problem
146
081 Auxbus Problem
146
Receiver (100-149)
147
110 AF Amp Not Working
147
120 Signal Loss Only on some Bands
147
Transmitter (150-199)
148
General Transmitter Problem
148
Power Output Is Low or Zero
148
Power Output Fluctuates
148
Operation and Alignment (200-249)
149
Output Power Drops to Zero Suddenly
149
Keyer Problem
149
EEPROM Initialized
149
Signal Tracing
150
RF Probe Assembly
150
Signal Generator
150
Receiver and Synthesizer
151
Preparation for Receiver Signal Tracing
151
PLL Reference Oscillator and VCO (RF Board Schematic, Sheet 1)
151
Bfo
152
Low-Pass Filter, Bandpass Filter, and T-R Switch
152
Mixer, I.F. Amplifiers, and Crystal Filter (Sheet 2)
152
AGC (Control Board)
152
Product Detector and AF Amp (RF, Sheet 2)
153
I.F. Amp Noise Gain (RF, Sheet 2)
153
Preparation for Transmitter Signal Tracing
153
Basic Voltage Checks (RF Schematic, Sheet 2)
154
Sidetone (Control Board)
154
ALC (Control Board)
154
DC Voltage Tables
155
Transmit Mixer, Buffer, Band-Pass Filter, T-R Switch (RF, Sheets 2-3)
155
Pre-Driver, Driver, and PA (RF, Sheet 4)
155
Parts Placement Drawing, Top
159
Parts Placement Drawing, Bottom
160
Table of Contents
161

ELECRAFT K2 Owner's Manual (159 pages)

160-10 Meter SSB/CW Transceiver

Brand: ELECRAFT | Category: Transceiver | Size: 1 MB

ELECRAFT K2 Owner's Manual (157 pages)

Brand: ELECRAFT | Category: Transceiver | Size: 2 MB

ELECRAFT K2 Instruction Manual (16 pages)

Brand: ELECRAFT | Category: Transceiver | Size: 0 MB

ELECRAFT K2 Troubleshooting (3 pages)

Troubleshooting Note: INFO 80 on Power Up

Brand: ELECRAFT | Category: Transceiver | Size: 0 MB

ELECRAFT K2 Instructions (2 pages)

Optional Grounding of the Microphone Jack

Brand: ELECRAFT | Category: Transceiver | Size: 0 MB

ELECRAFT K2 Quick Reference Card (2 pages)

Brand: ELECRAFT | Category: Transceiver | Size: 0 MB

ELECRAFT K2 Assembly And Operating Instructions (2 pages)

Boom Headset

Brand: ELECRAFT | Category: Headsets | Size: 0 MB

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