ELECRAFT K3 - K3 Block Diagram

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71

K3 Block Diagram

Table of Contents

Default Chapter2
- Table of Contents2
A Note to K3 Owners3
Key to Symbols and Text Styles3
Quick-Start Guide4
Introduction7
- K3 Features7
- Specifications8
- Customer Service and Support10
Front Panel11
- Control Groups11
- Display12
- Leds13
- Front Panel Connectors13
- Primary Controls13
- Multi-Function Controls14
- VFO Tuning Controls14
- Keypad15
- Memory Controls16
- Message Record/Play Controls16
- RIT and XIT Controls16
Rear Panel17
- Connector Groups17
- KIO3 Module18
- Line out20
Basic Operation21
- Receiver Setup23
- Reducing Interference and Noise25
- Transmitter Setup26
- Voice Modes (SSB, AM, FM)28
- CW Mode30
- Data Modes31
Advanced Operating Features33
- Text Decode and Display33
- CW-To-DATA34
- Tuning Aids: CWT and SPOT34
- Audio Effects (AFX)35
- Dual Passband CW Filtering35
- Receive Audio Equalization (EQ)35
- Transmit Audio Equalization (EQ)35
- SPLIT and Cross-Mode Operation36
- Extended Single Sideband (ESSB)36
- General-Coverage Receive36
- VFO B Alternate Displays36
- Alarm and Auto Power-On36
- Using the Sub Receiver37
- Receive Antenna In/Out38
- Buffered I.F. Output38
- Using Transverters38
- Scanning39
Main and Sub Receiver Antenna Routing40
- Basic K3 (no KAT3 or KXV3)40
- K3 with KXV3 RF I/O Module40
- K3 with KAT3 ATU41
- K3 with KAT3 and KXV342
Remote Control of the K343
Options44
Firmware Upgrades44
Configuration45
- Crystal Filter Setup45
- Option Module Enables46
- Miscellaneous Setup46
- VFO a Knob Friction Adjustment47
- VFO B Knob Friction Adjustment47
- Real Time Clock Battery Replacement47
Calibration Procedures48
- Synthesizer48
- Wattmeter48
- Transmitter Gain48
- Reference Oscillator49
- Front Panel Temperature Sensor50
- PA Temperature Sensor50
- S-Meter50
Menu Functions51
- MAIN Menu51
- CONFIG Menu52
Troubleshooting59
- Parameter Initialization61
- Module Troubleshooting62
Theory of Operation66
- Rf Board66
- KANT3 and KAT368
- Kio368
- Front Panel and DSP68
- Kref369
- Ksyn370
- K3 Block Diagram71
Appendix A: Crystal Filter Installation72
Index76