Kenwood TS-820 External VFO Connector, PIN Function, Vfo, @ Remote Connector, @ if OUT J a C K

Page 15

EXTERNAL VFO CONNECTOR

This 9-pin connector provides a means of interconnecting the KENWOOD VFO-820. another external VFO, or an ex- ternal receiver. The interconnecting cable is provided with the VFO-820. The 9-pin jurnpered VPO plug provided with the TS-820 must be inserted in this socket for normal trans- ceiver operation.

PIN

FUNCTION

PIN

FUNCTION

 

VFO rlgnal

 

 

 

VFO signal shield

I1

 

 

Ground

9 VOC to irlternal

 

VFO (pin 91

 

 

 

12.6 VAC

9 VDC to external

 

 

 

VFO

 

Relay voltage

 

 

 

(+ on iransm~tl

 

 

@REMOTE CONNECTOR

The REMOTE connector is an 8-pin socket for use in inter- connecting a linear amplifier. an external speaker. or another accessory item. (See Fig. 301

PIN

FUNCTION

PIN

FUNCTION

1

Ground

 

N~rrnallyopen

 

 

2

No connec~ion

G

ALC feedback

 

Normally closed

7

Occupred 8 s lermlrlal

 

relay contact

 

 

 

4

Ground

8

External speaker

@IF OUT J A C K

Receive s~gnalsfrom the f~nalIF stage are supplied t o thls jack for monltorlng waveforms of opposlte stattons

C W KEY J A C K

Connect a key to this 1 / 4 phone jack for CW operation.

RTTY KEY J A C K

This is used for FSK operation. A 2 P plug should be inserted for connection to the switching circuit of a teletypewriter.

@DC-DC CONVERTER CONNECTING HOLE

DC DC Converter (DS-1 opt~on)can be wlred through thls hole For wlrlng. remove the cover plate

I

i

i

!

Rcmove screw and

Sw1r:h sIo,)rwr

Lock

lcvcr

by allach~ng

slopper plate

to opposile s ~ d r

sloppcr pale

lo oppqs~te

 

 

side

screw

 

220v220v

SIUP~CI plale

Fig. 5 Changing Power Voltage from . 220V to 120V

Image 15
Contents Operating Manual Contents Audio Output Impedance WWVMode Audio Input ImpedanceSection FeaturesOperation Location InstallationPower Connections UnpackingRtty FS K HeadphonesKEY External Speaker a N DAC Operation ANTSuitable PTT Microphone Front View Panel Operating Controls@ ATT Indicator @ Meter Switch@ VFO Indicator @ Stand by SwitchC Connector VOX Switch@ N B Switch C Switch@ Power Switch @ B a N D Switch@ Function Switch @! H. S W Heater Switch@ Plate Knob Display Hold SwitchRear Panel View @ Drive KnobRear PAN EL Controls PIN Function External VFO Connector@ Remote Connector @ DC-DC Converter Connecting HoleReading the Operating Frequency Preliminary ProcedureOperating Instructions Receiver T U N I N GCalibrating the T S 8 2 0 W I T H VFO-820 Calibrating T H E FrequenciesRF G a l N Calibrating the Fixed Channel a N D VFO Freciuencies1 Transmitter T U N I N G If Shift9NOISE Blanker AGC a U T O M a T I C Gain ControlALC Front Panel ControlsUP on 3 C W O P E R a T I O N 2 SSB O P E R a T I O N5 Fixed Frequency Operation 4 Operation W l T H a Linear AmplifierFunction Transmit 6 Internal Cross Channel OperationMobile Operation 9 Rtty OperationNovice Operation USE of Monitor SwitchSstv Slow Scan TV Operation Operation with a Phone PatchTS-820 Block Diagram Receiver Section Block D I a G R a MGeneral Transmitter SectionBoard a N D Unit Coil Pack Board PLL Unit Counter Assy Unit Display Unit Display Unit OptionAF AVR Board I N a L Stage Power Amplifier General Information Maintenance and AlignmentInstalling the D C D C Converter IDS AccessoriesI b l Transverter TV-5021 Remote Connections Extension Feet Fixed Channel Crystal InstallationAdjustment of Receiver Section Neutralizing the Final Stage Adjustment of Transmitter SectionAdjustment of T R a N S M I T if Coil if a N D RF Units Carrier Balance Adjustment if UNIT1Receiver Section TrolibleshootingGeneral Information Transmitter a N D Receiver CircuitsTransmitter Section SymptomsFAN TOP & Bottom View of the TS-820Page IO--KENWOOD Corporation

TS-820 specifications

The Kenwood TS-820 is a high-performance amateur radio transceiver known for its exceptional features and technologies that cater to both novice and experienced operators. This rig, part of Kenwood's renowned TS series, has become a popular choice for those seeking reliability and versatility in their communication equipment.

One of the defining characteristics of the TS-820 is its dual-conversion superheterodyne receiver architecture. This design minimizes interference and provides improved performance across various amateur radio bands. With coverage from 160 meters to 10 meters, the TS-820 is capable of operating on all major HF amateur bands, making it an excellent choice for diverse communication purposes.

In terms of power, the TS-820 delivers a solid output of 100 watts, ensuring that operators can make their presence known across the airwaves. The rig features a built-in automatic antenna tuner, which simplifies the setup process by matching the transmitter to various antenna types. This feature not only enhances signal clarity but also maximizes the station's efficiency.

Another standout feature of the TS-820 is its extensive digital signal processing (DSP) capabilities. The advanced filtering options help to eliminate noise and interference, allowing users to hear weaker signals more clearly and effectively. The IF filter selections can be adjusted to optimize reception under varying conditions, showcasing the rig's adaptability.

The user interface of the TS-820 is designed for both ease of use and functionality. The large, backlit display provides critical information at a glance, while the rotary controls offer tactile feedback, allowing operators to make precise adjustments quickly. Additionally, the rig supports various modes of operation, including SSB, CW, and RTTY, accommodating a wide range of communication preferences.

Built with durability in mind, the TS-820 utilizes high-quality components and construction techniques that ensure long-term reliability. Its rugged design can withstand the rigors of everyday use, making it a trustworthy companion for any amateur radio enthusiast.

In summary, the Kenwood TS-820 is a versatile and reliable amateur radio transceiver that stands out due to its superior performance, advanced technologies, and user-friendly features. With its robust design and comprehensive capabilities, the TS-820 continues to earn its place as a respected choice among ham radio operators around the world. Whether engaged in casual conversation or competitive contesting, enthusiasts can rely on the TS-820 for a satisfying and immersive amateur radio experience.