Kenwood TS-8305 User's Manual
Contents
1. PROC SWITCH 8 COMP LEVEL CONTROL 9 NB SWITCH 49 NB LEVEL CONTROL A AGC SWITCH R METER SWITCH STAND BY SWITCH VOX GAIN D 49 VOX DELAY 1 40 PHONES JACK A MIC CONNECTOR 7 09 MODE SWITCH MIC GAIN CONTROL CAR LEVEL CONTROL FIX SWITCH POWER SWITCH MAIN TUNING LOAD CONTROL PLATE CONTROL 29 DRIVE CONTROL 30 RIT XIT LED 8 RIT XIT CONTROL BAND SWITCH 40 5 SWITCH RFGAIN 3 AFGAIN 8 HEATER SWITCH VBT CONTROL A TONE CONTROL 4 IF SHIFT CONTROL NOTCH CONTROL MONI SWITCH NOTCH SWITCH RFATT SWITCH A XIT SWITCH RIT SWITCH 3 1 FRONT PANEL The symbol after the part name indicates Active only during reception Active only during transmission No symbol Always active 1 NOTCH INDICATOR LED This indicator light emitting diode illuminates when the NOTCH circuit is turned ON 2 VFO INDICATOR LED The VFO indicator illuminates when the internal VFO controls transceiver operation The indicator is not lighted during fixed channel or remote VFO operation 3 FIX FIXED CHANNEL INDICATOR LED The FIX indicator illuminates when the internal fixed frequency oscillator controls transceiver operation 4 ATT INDICATOR LED This illuminates when the RF ATT is turned ON 5 DH DISPLAY HOLD SWITCH With this switch ON2. 22 AT 230 W EXTERNAL SPEAKER SP 230 The SP 230 is a low distortion speaker with selectable frequency response for high intelligibility in any mode The frequency response is determined by the built in audio filters which are effective in improving signal to noise ratio under certain interference conditions or when receiving weak signals m LINEAR AMPLIFIER TL 922A The TL 922A is an HF linear amplifier operating at maximum legal power and employing a pair of 3 5002 high performance transmitting tubes SP 230 SM 220 W STATION MONITOR m FILTER SM 220 YG 455C 500 Hz CW filter for 455 kHz IF Based on a wide frequency range oscilloscope up to YG 455CN 250 Hz CW filter for 455 kHz IF 10 MHz the SM 220 station monitor features in YK 88C 500 Hz CW filter for 8 83 MHz IF combination with a built in two tone generator a wide YK 88CN 270 Hz CW filter for 8 83 MHz IF variety of waveform observing capabilities An optional feature is a unique pan display capability W DIGITAL WORLD CLOCK HC 10 PHONE PATCH The HC 10 is a highly advanced world clock with dual PC 1 Available only where phone patch operation is display which can memorized 10 world major cities and legal 2 additional regions m HEAD PHONES HS 5 5 4 80 communications headphones m MICROPHONE MC 50 Desk Microphone 50 5000 MC 35S Noise Canselling Hand Microphone 50 kQ MC 30S Noise Cancelling Hand Microphone 5009 1 HC
3. EE T oso BS d 5 8 00 0891 06 Td 31 1227 222 COUNTER UNIT 45 1540 00 959151 08510929 090 2 4g OH ZM 90 860 2 48110921 A eselos2 ezio 48590821 48990901 48180921 38815541 4040991 48620921 8194 5 1062 AN eie M _ _ 555515 xnv az 3 pum 217 Dm 600 oea 50 150 90107 En AH 2 se M 00 ObSI bGX LINN Y3LNNOD 32 UNIT X48 1290 00 T gu 1290 00 JE UNT X46 256125 38K73 GR 555 8000509 dot 73 3 wat SS Ue AS uo E E TS 830S SCHEMATIC DIAGRAM Same 33 A eseiose vO 9 09252 0 88525 td 61 82 250 H 49 o i 3 95 5 ix H2 Wi gost d 49 DL za VFO UNIT X40 1170 00 umoto 9 TS 830S SCHEMATIC DIAGRAM 22222222 200272772777222727 71772221201772121211122 00 0bI 6bX JV IB 3 Drm fil U 0 696282 E i 4 SD i 7 sg H 5 E a NEG S 200 Va ed eo Au E 2 H n
4. 28 4 Connect the adjacent 120 and terminals at the middle of the transformer This will provide 240V AC operation For 220V AC operation connect the adjacent 100 to O winding 5 Change the AC fuse from 6A to 4A Tag the power cord at the back of the radio to indicate that the transformer is strapped for 240V AC and the power fuse should be 4A and not 6A 6 Replace the bottom cover and reconnect power to verify your work 220v not send sub assemblies or printed circuit boards Send the complete unit in its original boxes and packing If you want verification of receipt please supply a self addressed card lor letter and you will be informed of the date of receipt and estimated service time SERVICE NOTE Dear OM if you desire to correspond on a technical or operational problem please make your note short complete and to the point And PLEASE make it readable Please list Model and serial number The question or problem you are having Please give sufficient detail to diagnose other equipment in the station meter readings and anything you feel might be useful in attempting diagnosis NOTE 1 Record the date of purchase serial number and dealer from whom purchased 2 For your own information retain a written record of any maintenance performed on the unit 3 When claiming warranty service please include a photocopy of the bill of sale or other proof of purchase showing the date of sale 6 1 GENER
5. 4 X verter ON OFF HF ANT output control 15 REMOTE CONNECTOR This connector is used to interconnect a linear amplifier or other accessory item PIN FUNCTION PIN FUNCTION 1 Record output 5 Normally closed 100 150 mV AF relay contact 2 Relay common 6 ALC input terminal ALC threshold level NOT grounded approx 6V 3 PTT line 9 No connection 4 Normally opened relay contact 16 AC FUSE This fuse protects the transmitter power supply against short circuits Never use a higher amperage fuse than specified it will eventually cause extensive damage If the fuse blows try to determine the cause before replacing For 120 volt operation use a 6 ampere fuse 13 SECTION 4 OPERATION 1 OFF Fully counter clockwise counter SSB reception SLOW CW reception FAST Set to desired MODE OFF Center clockwise Setting for transmission A Adjust for max RF Adjust for Ip dip Center Set to desired BAND Transmit not possible on 10 18 or 24 5 MHz ON Adjust while NORMAL Setting for reception To antenna 7 AC120V Fig 4 1 Control and Switch Settings Use TUNE position transmitting when tuning 4 1 RECEPTION 1 NOTE Set the MIC and CAR controls to minimum to prevent accidental transmission before tune up is completed The TS 830S must be operated into a 50 ohm antenna dummy load with an SWR less than 2 1 Random length wire antennas
6. 455 kHz filter 8 83 MHz filter gt s E o o a E 3 2 5 E o 8 2 oo 55 3 ao FEES 22 E 22 EE Do 2 1 fo 1A 2 kHz 2 1 fo 1A 2 kHz BFO BFO VBT TONE NARROW NORMAL NARROW NORMAL Fig 4 4 VBT Selectivity Characteristics 6 IF SHIFT By using the IF SHIFT during reception the crystal filter passband frequency can be shifted approximately 1 2 kHz This is achieved by use of a PLL Phase Locked Loop in the L O local oscillator circuit This is a major feature of the 5 8305 and can be used in the following cases 1 Adjustment of tone quality and interference rejection during SSB Reception When the transceiver is on 20 meters and above USB mode turn the IF SHIFT in the direction and the lower frequenices are attenuated Turning the knob in the direction cuts the higher frequencies These procedures are reversed for LSB operation below 20 meters Adjust the control to your listening preference The IF SHIFT is also effective in eliminating interference from adjacent receive signals 2 Adjustment of tone quality during CW operation For detailed descriptions refer to Section 4 4 5 CW operation a D 2 a Unwanted signal Desired signal Unwanted signal eliminated by IF SHIFT 8 1 dz 2 FLAFZ BFO BFO IF IF SHIFT NOTCH SHIFT NOTCH GS GAS Fig 4 5
7. Built in speaker 222222 2 1 UNPACKING Remove the TS 830S from its shipping container and packing material and examine it for visible damage If the equipment has been damaged in shipment notify the transportation company immediately Save the boxes and packing material for future shipping or moving The following accessories should be included with the tranceiver 1 Instruction Manual 850 2738 00 1 2 Plastic Extension Feet with Screws J02 0049 14 3 Speaker Plug 1 8 E12 0001 05 4 7P DIN Plug 7 0751 05 5 Fuse 6A FO5 6021 05 2 2 OPERATING LOCATION As with any solid state electronic equipment the TS 830S should be kept from extremes of heat and humidity Choose an operating location that is dry and cool and avoid operating the transceiver in direct sunlight Also allow at least 3 inches clearance between the back of the equipment to any object This space allows an adequate air flow from the ventilating fan to keep the transceiver cool CAUTION Do not operate the radio in an RF Field greater than 6V RF Receiver damage may occur 2 3 CABLING See Figure 2 1 m GROUND To prevent electric shock and reduce the possibility of TVI and connect the transceiver to a good earth ground through as short a lead as possible Use ground rods or metal cold water feedline W ANTENNA Connect through a 50 ohm antenna feedline to the coaxial connector on the rear p
8. E88 te ee t S 8288 002 08 62 1688 HN 0343 HW ONVB CHA 2890 ODA AON3h03U4 LINN OSA 73037 099382 990 07 dW woo ae Ig 830 BLOCK DIAGRAM 221862 821862 XY WV 3 T R2 S 289919 dV Yd NY 90v 08252 1SNO9 3WIL 91 YLABZT ANY ABO ELISE 61952 5101 52 61562 1 4 59140 ov 59101752 ELMSE ZXSIBIOSZ 83114 71343 9181052 130 dv 3v 896282 qa 280 2401 apis avo H 5181952 AY ere 9181952 5181952 5425 Y 09 89 1VH HOLON dAV B 130 Vd 596052 96952 76552 SlOlvSz INV XOA I1NV dV XOALINV visit 99628524 516252 6960 101 ABION yoicigiose 00092 MEAS 13437 084 9181952 pr 60982 y X O9NI 51812542 09222562 0722952 env dina wa dAVOW OW SAY oW 30 5 8305 SCHEMATIC DIAGRAM lt a PLL UNIT X50 1680 00 Vu L wovovrun rJ 2 s pue Ze 18 818 95 NO6S1bLN 9881621 NVE9 LSTPANS 40081540 49181252 80990262
9. H z Ex 2 M u i lt 34 2020002772 2 1220172 TS 830S SCHEMATIC DIA T O RF UNIT X44 1360 00 7 3SKT73 GR 25 25 1615 GR 516 2 918 6 T IF UNIT X48 1290 00 AF UNIT X49 1140 00 ATIC DIAGRAM 265 35 IF Unit n INTERNAL VIEW 12222222 X48 1290 00 COUNTER Unit X54 1540 00 RF Unit POWER TRANSFORMER COOLING FAN X44 1360 00 AF AVR Unit X49 1140 00 VFO ASSY Unit X60 1150 00 PLL Unit X50 1680 00 36 61468 FINAL Unit X56 1380 00 Neutralization Adj RECTIFIER Unit X43 1370 00 pm 80 0508 101 POWER TRANSFORMER Bottom View Model TS 830S Serial No F RE Date of fume 7 7 Dealer A A product of TRIO KENWOOD CORPORATION 17 5 2 chome Shibuya Shibuya ku Tokyo 150 Japan i o a TRIO KENWOOO COMMUNICATIONS INC 1111 West Walnut Street Compton California 9022 TRIO KEN WOOO COMMUNICATIONS GmbH D 6374 Steinbach TS Industriestrasse 8A West Germany TRIO KENWOOD AUSTRALIA PTY LTD 30 Whiting Street Artarmon Sydney NSW Australia 2064 015102 Printed in Japan B50 2738 00 G
10. zs a DRIVE Ec 4 2 Te JEJEJ 1 Mix coil 1 ra 24 5 18 35 t ed gt HE O e JE 7 i ANT coit 245181 ss e NE d ICC 3 E J Fig 6 1 bd FRONT Panel BAND Switch Freguency for adjustments 1 5 1 9 MHz 3 5 3 75 T 7 15 10 10 125 14 14 175 18 18 125 21 21 225 24 5 24 95 28 5 28 8 Table 6 1 ADJUSTMENT OF AND MIX COILS COIL PACK UNIT The ANT and MIX coils are included in the coil pack unit Use the 25 kHz calibrater as a signal Connect a dummy load to terminate the receiver input Set the DRIVE control to 12 o clock Adjust the ANT and MIX coils for maximum S meter deflection following the frequency table Start with the 1 8 MHz band and then proceed to other bands To ad just the 10m band use only 28 8 MHz in the 28 5 MHz band ADJUSTMENT OF RECEIVE IF COILS RF AND IF UNITS Receive a marker signal using any frequency Adjust the DRIVE and the main tuning for maximum S meter deflec tion Adjust T2 on the RF unit and L5 L6 L7 L11 and L12 on the IF unit for maximum S meter indication DO NOT adjust L3 L4 L5 and L9 S METER ADJUSTMENT IF UNIT Disconnect the antenna with the transceiver in receive mode Zero point adjustment Adjust VR2 for meter pointer zero indication If a standard SIGNAL GENERATOR SSG is available adjust VR3 so the S
11. Pin 1 TOF terminal and AF unit X49 1 140 00 connector 6 Pin 4 TOF ter minal 2 Or for individual Bands On the RF unit X44 1360 00 Band Remove or Cut Part 10 MHz D4 18 MHz D5 24 5 MHz D6 27 6 6 240 AC OPERATION operate the TS 830S on 240 the power transformer split primaries must be rewired from parallel to series connection 1 Unplug the AC power cable 2 Remove the bottom cover 3 Remove the jumper wires between the two O terminals and two 120 terminals on the bottom of the power transformer 120v FAN MOTOR 00V WHITE To POWER SW 6 7 ORDERING SPARE PARTS When ordering replacement or spare parts for your equip ment be sure to specify the following information Model and serial number of the equipment Schematic number of the part Printed circuit board number on which the part is located Part number and name if known and Quantity desired NOTE A full Service Manual is available as a separate publication 6 8 SERVICE Should it ever become necessary to return the equipment for repair pack in its original boxes and packing and include a full description of the problems involved Also include your telephone number You need not return accessory items un less directly related to the service problem You may return your radio for service to the Authorized Kenwood Dealer from whom you purchased it A copy of the service report will be returned with the unit Please do
12. by opening the microphone case and permanently connecting the contacts which control the microphone audio Standard microphone sensitivity is within the range of 50 dB to 60 dB If a microphone having a higher sensitivity is used the ALC and compressor circuits will not function properly In this case insert in the mike line an attenuator as shown in Fig 2 1 A typical MIC gain control setting is 12 o clock If you must run this control at 9 o clock or less use an attenuator 2 5 KEY If CW operation is desired connect a key to the KEY jack Use shielded cable and a standard mono or 2P phone plug Headphones Use headphones of 4 to 160 im pedance The optional HS 4 HS 5 headphones best suited for use with the TS 830S Stereo type stet pho Microphone Either a low or high impedance microphone 5009 to 50 kQ can be used The P T T switch should be isolated from the mic circuit shown nes can also be used in A Use a microphone with a separate switch and MIC line so both P T T and VOX are available View from cord side Transformer EE Sanaa a this Transformer Microphone g Switch b not this Microphone p e 3 Transformer Switch T PA IOK 33 K not this x TS 830S Antenna Microphone Microphone connector Key rm For CW operation connect your key to the KEY jack at the rear Use shielded cable Monitor scope External speaker SM 220 Besides the
13. 10 23 5 2 INSTALLATION OF ACCESSORIES m REMOVING THE CABINET See Fig 5 1 Figure 5 1 illustrates cabinet removal Remove the eight top cover and eight bottom cover screws and lift a way the panels NOTE This product uses metric hardware CAUTION The speaker lead is attached to the chassis so be careful when removing the top cover The lead can be unplugged if necessary Fig 5 1 Removing the Case W CW FILTER INSTALLATION 1 Using a number 2 Phillips screwdriver remove the top cover eight screws Unplug the speaker and set the cover aside Remove the bottom cover eight screws 3 Remove the eight screws holding the unit X48 1290 00 and swing the printed circuit board up and towards the front of the radio 4 Using a 45 W or less soldering pencil clear the six holes for the filter if they are filled with solder 5 There is no polarity to the filter Install the filter into its position on the IF unit Solder the two mounting tabs and the four input and output pins to the circuit boards Solder sparingly and heat the connections only long enough to insure a good solder joint Don t overheat the filter or circuit board 6 Carefully inspect your soldering Be certain that all pins are actually soldered and that you have not soldered across any spots on the board or between any of the pins on the filter Clip the pins flush to the board 7 Replace the IF unit Make certain no wires will be pinched
14. IF SHIFT Operation 16 7 AND IF SHIFT COMBINATION If excessive radio interference is encountered during SSB operation adjust the VBT for optimum bandwidth and the IF SHIFT for maximum intelligibility In CW mode first adjust the VBT Turn the IF SHIFT counter clockwise adjusting for approximately 800 Hz tone If pitch lower than 800 Hz is desired adjust the RIT and IF SHIFT 2 1 fo IA 2 kHz 2 fo 1442 kHz BFO BFO SHIFT NOTCH SHIFT NOTCH RO BX NARROW NORMAL NARROW NORMAL Fig 4 6 IF SHIFT and VBT in Combination 8 NOTCH CONTROL If a single tone such as a CW signal is superimposed on the receive signal turn the NOTCH ON and adjust the control to eliminate or minimize the beat signal A beat of appr ximately 1 5 kHz can be eliminated at the center position of the control In USB or CW mode a beat signal lower than 1 5 kHz can be eliminated by turning the control clockwise In LSB mode adjust the control counterclockwise Desired signal Desired signal Unwanted signal nulled by NOTCH 2 1 41 42 kHz 2 1 kHz BFO BFO NOTCH ON NOTCH OFF Fig 4 7 NOTCH Operation 9 NOISE BLANKER NB For pulse type noise such as generated by automotive ig nition systems turn the NB switch ON Adjusting the NB LEVEL control varies the blanker s threshold eliminating even low level noises If high level signal or noise
15. XIT control the VFO transmit frequency can be varied 2 kHz without changing the receive frequency 44 RIT SWITCH This push switch activates the RIT Receiver Incremental Tuning circuit and the RIT indicator By adjusting the RIT control the VFO receive frequency can be varied 2 kHz without changing the transmit frequency If both switches are ON both the transmit and receive frequencies will shift simultaneously 11 COOLING FAN RF VOLT CONTROL 1 ANTENNA CONNECTOR BIAS CONTROL GND LUG SG SWITCH KEY JACK ANTI VOX CONTROL SPEAKER JACK IFOUT1 R IFOUT2 A CONNECTOR AC POWER CABLE 3 2 REAR PANEL 1 COOLING FAN This fan cools the RF amplifier section to insure reliable and efficient operation 2 RF VOLT CONTROL D This adjusts the RF output meter reading Set for 2 3 scale reading during CW transmission 3 ANTENNA CONNECTOR This SO 239 coax connector should be attached to a suitable 500 antenna for transmitting and receiving 4 BIAS CONTROL 1 This adjusts the bias voltage to the 6146B amplifier tubes Clockwise rotation increases the idling plate current Section 4 describes adjustment to 60 ma 12 5 GND GROUND LUG To prevent electric shock as well as RFI and BCI connect the transceiver to a good earth ground 6 SG SWITCH D This slide switch controls the screen grid voltage to the final tubes
16. built in ao Can be used as a speaker an external band scope or a speaker can also be used monitor scope Connect to the rear EXT SP jack using the supplied plug o o o Lightning arrestor GND terminal It is recommended that a ground lead be connected to the GND ter minal at the rear of the set to prevent the possibility of electric shock TVI and Use as short and heavy lead as possible Linear amp Power supply Transverte 120V 50 60 Hz 3 Fig 2 1 Connection External VFO 2 6 EXTERNAL SPEAKER AND HEADPHONES Receive audio output from the TS 8308 is 1 5 watts at 4 to 16 ohms The TS 830S has a built in the SPEAKER jack on the rear panel The speaker may be an 8 ohm perma nent magnet type 4 inches or larger The internal speaker is disconnected when an external speaker is used Headpho nes should also be 4 to 16 ohms impedance When the headphones are connected to the front panel PHONES jack the speaker is disabled 2 7 GROUND To prevent electric shock and reduce the possibility of TVI and BCI connect the transceiver to a good earth ground through as short and heavy a lead as possible 2 8 ANTENNA Any of the common antenna systems designed for use on the high frequency amateur bands may be used with the TS 830S provided the input impedance of the transmission line is not outside the capability of the pi output matching network The transmission line should be coaxial cable
17. control ON Adjust the DELAY control for your preference 4 5 FIXED CHANNEL OPERATION A fixed channel is available for common use on all bands by installing a crystal in the socket on the PLL unit X50 1680 00 The crystal freguency can be computed by the following formula Crystal Freguency MHz 5 5 MHz X Operating Freguency MHz X Band Switch freguency 1 5 3 5 etc Crystal specifications See Fig 4 15 NOTE TRIO KENWOOD does not supply crystals The shift stet circuit CW frequency between transmit and receive and the RIT XIT circuit are not effective in FIXED CHANNEL OPERATION To use the fixed frequency oscillator depress the FIX push Switch DC 9v 01 Q2 2SC1815 Y 100P 0022 1 CRISTAL SPECIFICATIONS Type of holder HC 25 u Frequency 5 5 6 0 MHz Multiplication Fundamental Tolerance 0 00296 Normal temperature iro Loading Drive level Fig 4 15 Crystal Oscillator Circuit 4 6 DIGITAL DISPLAY CALIBRATION Connect the antenna and set the BAND switch to WWV Turn the main tuning dial to receive 10 MHz WWV Adjust the dial until a low frequency beat is heard Next turn the MIC control to the CAL position and a marker signal will be superimposed on the WWV signal A double beat two beat signals of high and low frequencies will now be heard Adjust the IF shift for low AF response While receiving this double beat adjust the Standard oscil lator trimmer through the re
18. loading coil must be capable of handling the power of the transceiver without overheating In the CW mode the power output of the transceiver will exceed 80 watts The SWR bridge is a useful instrument but unfortunately it is quite often misunderstood and overrated in importance Basically the SWR bridge will indicate how closely the antenna load impedance matches the transmission line With long transmission lines such as will be used in many fixed station installations it is desirable to keep the impedance match fairly close in order to limit power loss This is particularly true at the higher frequencies The longer the line and the higher the frequency the more important SWR becomes However in mobile installations the transmission line seldom exceeds 20 feet in length and an SWR of even 4 to 1 adds very little power loss The only time SWR will indicate a low figuro is when the antenna presents a load close the 50 ohms but many mobile anten nas will have a base impedance as low as 15 or 20 ohms at their resonant frequency In such a case SWR will indicate 3 or 4 to 1 and yet the system will be radiating efficiently The really important factor in your mobile antenna is that is should be carefully tuned to resonance at the desired frequency The fallacy in using an SWR bridge lies in the fact that it is sometimes possible to reduce the SWR reading by detuning the antenna Field strength may actually be reduced in an effort to bri
19. not operate properly causing excessively high transmit IF signal level resulting in distorted monitor signal 5 CW OPERATION Tune and load the 5 8305 as described in Sections 4 3 Using shielded line connect a key to the rear panel KEY jack set the MODE switch to CW and set the stand by switch to SEND for transmitting CW transmission is automatically monitored through the transceiver s speaker Sidetone audio gain can be adjusted through the opening in the bottom cover Real transmit receive frequency Displayed in transmission Displayed receive frequency Beat frequency 800 Hz Fig 4 13 CW ZERO IN L i Reception The TS 830S operates in two different CW modes WIDE and NARROW In the WIDE mode the SSB filter pass bandwidth 2 4 kHz 6 dB and an audio filter are used 20 In the NARROW mode option CW filters YK 88C 88 YG 455C YG 455CN are used to narrow the IF pass bandwidth to 500 Hz 6 dB or 250 Hz along with the audio filter both modes high fre quencies are cut off so the receive signal can be heard without high frequency noise interference W OPERATION WITHOUT CW FILTER To receive CW set the IF SHIFT control to its center position and the RIT switch to OFF Adjust the main tuning for about an 800 Hz beat and your transmit frequency will be tuned zeroed to the transmit frequency of the station you are receiving During reception the side tone is activa
20. the display frequency remains ON even if the main tuning is changed This feature is used to memo rize the original frequency when checking another frequency 6 METER The meter monitors six different functions depending on METER switch position In receive the meter is automatically an S meter and shows received signal strength on a scale of O to 40 dB over S9 In transmit meter function depends on the position of the METER Switch as described below This is an average responding meter NOT peak reading 7 PROC SPEECH PROCESSOR SWITCH 1 This switch is used during SSB operation Set the switch to the ON position and the speech processor will be activated increasing the average talk power Compression level can be adjusted by the processor control 8 8 COMP LEVEL CONTROL This control adjusts compression level Set the meter switch 12 to the COMP position and adjust this control while observing the meter COMP scale 9 NB SWITCH With the lever switch UP the noise blanker circuit is turned ON reducing pulse type ignition noise Power line radar QRM and atmospheric white noises will not operate the blanker The noise blanker circuit operating level is adjustable by the noise blanker control 10 10 NB LEVEL CONTROL This control adjust the noise blanker circuit operating level according to receiving conditions or noise level 11 AGC SWITCH This controls the Automatic Gain Control circui
21. 5 6 shows how to install the feet Fig 5 6 Attaching the Extension Feet 25 AAC ARE IAE CAUTION DANGEROUS HIGH VOLTAGES ARE PRESENT WITHIN THE CASE OF THE TS 830S WHEN THE TRANSCEIVER IS TURNED ON EXERCISE EXTREME CAUTION TO AVOID ELECTRIC SHOCK 6 1 GENERAL Your TS 830S has been factory aligned and tested to specification before shipment Under normal circumstances the transceiver will operate in accordance with these operating instructions All adjustable trimmers and coils in your transceiver were preset at the factory and should only be readjusted by a qualified technician with proper test equipment Attempting service or alignment without factory autho rization can void the transceivers warranty W CLEANING The knobs front panel and cabinet of the TS 830S are likely to become soiled after extended use The knobs should be removed from the transceiver and cleaned with a neutral soap and warm water Use a neutral soap not harsh chemicals and a damp cloth to clean the cabinet and front panel m FUSE REPLACEMENT When the fuse blows there is some cause Be sure to find the cause before attempting operation Use a 6 amp fuse for 120VAC operation Under no circumstances use a higher amperage fuse than specified Extensive damage can be caused Also the warranty will be void if an oversized fuse is used W FAN MOTOR LUBRICATION Every 8 months dust out the final compartment and apply a few drops of light ma
22. 7 and 12 meter bands Diodes installed for preventing accidental transmission before government Amateur authorization NOTE The circuit and ratings may change without notice due to developments in technology 1 1 KENWOOD TS 830S The 5 8305 is a highly sophisticated solid state Amateur band transceiver employing only three vacuum tubes Operating on all Amateur bands between 1 8 and 29 7 MHz this unit is constructed modularly The TS 830S includes many built in features usually found as extras on other transceivers Included are VOX 25 kHz calibrator RIT RF attenuator and an effective noise blanker The TS 830S also includes automatic gain control AGC automatic level control ALC semi break in CW with sidetone a speech processor speaker and built in AC power supply Designed for operation on SSB or CW the TS 8308 delivers more than 220 watts PEP input Any complicated electronic device will be damaged if operated incorrectly and this transceiver is no exception Please read all of the operating instructions before putting the TS 8308 on the air 1 2 FEATURES 1 Interference free DX operation Variable bandwidth IF filter circuit VBT The built in VBT Variable Bandwidth Tuning circuit lows IF filter pass bandwidth to be varied as you wish to eliminate unpleasant interference It is adjustable independent of the IF shift F shift circuit The IF SHIFT is a circuit to shift IF pass bandwidth without changin
23. AL The problems described in this table are failures caused in TRANSMITTER SECTION SYMPTOMS SECTION 7 TROUBLESHOOTING M M X H beh nM dH tnit 22 d general by improper operation or connection of the transceiver not by defective components There is a CAUSE separate service manual for repair of the TS 830S REMEDY No output No plate current No voltage on the screen grid of the final tubes Turn the SG switch on the rear panel ON No output on SSB No plate current Open microphone cable or bad microphone Low microphone gain Check the microphone Increase the MIC control There is output but the RF meter shows no output RF VOLT control not adjusted correctly Adjust control for 2 3 scale reading at full output VOX does not operate VOX GAIN control too low ANTI VOX control requires adjustment See section 4 4 See section 4 4 VOX trips by speaker output ANTI VOX control requires adjustment See section 4 4 XIT control inoperative XIT switch is off Push XIT button Mic or radio chassis is hot during TX Excess RF in the shack No earth ground poor ground or antenna is too close to the radio See section 2 Poor audio in SSB TX feedback Excess RF in the shack See section 2 RF volt reading varies by band SWR differences between bands RECEIVER SECTION SYMPTOM CAUSE Ret
24. An antenna system which shows a standing wave ratio of less than 2 1 when using 50 or 75 ohm coaxial transmission line or a system that results in a transmission line input impedance that is essentially resistive and between 15 and 200 ohms will take power from the transceiver with little difficulty If openwire or balanced type transmission line is used with the antenna a suitable antenna tuner with balun is recommended between the transceiver and the feed line Methods of construction and operating such tuners are described in detail in the ARRL Antenna Handbook and similar publications For operation on the 160 75 and 40 meter bands a simple dipole antenna cut to resonance in the most used portion of the bands will perform satisfacto rily For operation of the transceiver on the 10 15 and 20 meter bands the efficiency of the station will be greatly increased if a good directional rotary antenna is used Remember that even the most powerful transceiver is useless without a proper antenna NOTE Protect your Equipment Use a LIGHTING ARRESTOR Mobile Station Mobile antenna installations are critical Since any mobile antenna for use on the high frequency bands represents a number of compromises Many amateurs lose the efficiency of their antenna through improper tuning Remember the following points when using the TS 830S with a mobile antenna The Q of the antenna loading coil should be as high as possible The
25. For neutralizing switch OFF The switch remains ON for normal operation 7 AC POWER CABLE This cable is used to connect an AC power source to the transceiver 8 KEY JACK Using shielded line connect a key to this 1 4 phone jack for CW operation Key open terminal voltage is approximately 65V 3 EXTERNAL VFO X VERTER CONNECTOR 4 REMOTE CONNECTOR AC FUSE 9 ANTI VOX CONTROL 1 Adjust the control to prevent speaker output from tripping the VOX 10 SPEAKER JACK The receiver audio output can be connected through this jack to an external 4 to 16 ohm speaker The internal speaker is disconnected when an external speaker is con nected 11 IF OUT 1 A A Buffered Mixer output for pan display use This is a wide band low level IF signal 12 IF OUT 2 A A high level narrow band IF output taken before the RX Produce Detector for scope display of received signal waveform 13 EXTERNAL VFO CONNECTOR This DIN connector is used to interface the KENWOOD VFO230 external VFO The interconnecting cable is provided with the VFO 230 PIN FUNCTION FUNCTION 1 VFO signal 5 VFO control 2 Relay control 6 Display control on transmit 3 9V 7 Ground 4 CW freq shift control 8 12V 14 X VERTER CONNECTOR This DIN connector is used to interface a VHF transverter FUNCTION FUNCTION Ground Transverter input Relay control Transverter ALC input on transmit 3 Ground Transverter output
26. QKENWOOD Model TS 830S INSTRUCTION MANUAL AFTER UNPACKING It is advisable to save all original packing cartons inner outer to protect your valuable transceiver from damage should you wish to transport it for remote operation or ship it for after sales service The following explicit definitions apply in this manual Be sure to read these definitions WARNING Personal injury may occur do not disregard CAUTION Read Operating Manual Section 4 before placing transmitter in service WARNING HIGH VOLTAGES PRESENT CONTENTS If disregarded inconvenience only no damage or personal injury CAUTION Equipment damage may occur but not personal injury SPECIFICATIONS ic ni SECTION 1 INTRODUCTION AND FEATURES 4 SECTION 2 INSTALLATION eee 5 2 1 Unpacking 2 2 Operating Location 2 3 Cabling 2 4 Microphone 2 5 Key 2 6 External Speaker and Headphones 2 7 Ground 2 8 Antenna SECTION 3 CONTROLS AND THEIR FUNCTIONS 8 3 1 Front Panel 3 2 Rear Panel SECTION 4 OPERATION ence 14 4 1 Reception 1 1 Basic Procedures for Receive Operation 2 WWV Reception 4 2 Reception II 1 RF ATT Switch 2 RF Gain Control 3 AGC Automatic Gain Control 4 RIT XIT 5 VBT Control Variable Bandwidth Tuning 6 IF Shift 7 VBT and IF Shift Combination 8 Notch Control 9 Noise Blanker NB 10 Tone Control 43 Transmission 1 1 SSB O
27. When the bandswitch is set to 29 the transceiver will operate in the 29 5 MHz band This switch has no function at any other bandswitch position 34 RF GAIN This adjusts receiver RF amplifier gain Turn fully clockwise for maximum gain and a correct S meter reading 35 AF GAIN This adjusts receiver audio level Volume increases clockwise 36 POWER SWITCH This switches all power to the transceiver 37 HEATER SWITCH This switch turns the three transmitting tube filaments ON 38 VBT CONTROL The VBT Variable Bandwidth Tuning continuously adjusts the IF Filter bandwidth to eliminate radio interference For normal operation this control may be left fully clockwise NORMAL Position 39 CONTROL This adjusts audio tone quality of received signals Adjust as desired 40 IF SHIFT CONTROL During reception the center frequency of the IF crystal filter can be shifted 1 2 kHz facilitating adjustment of tone qua lity or eliminating interference from nearby frequencies For normal operation set to the center detent position click stop 41 NOTCH CONTROL Turn the NOTCH switch ON to activate the Notch filter Adjust the notch frequency to null a beat tone interference signal 42 NOTCH SWITCH This switch controls the NOTCH circuit and indicator 43 SWITCH This push switch activates the XIT Transmit Incremental Tuning circuit and the XIT indicator By adjusting the
28. and while speaking into the microphone increase the VOX GAIN control until the VOX relay just operates For VOX operation it is sometimes desireable to close talk the microphone to prevent background noises from tripping the transmitter Check that the ALC reading for voice peaks is still within range on the meter If necessary adjust the MIC control for proper ALC reading If the VOX circuit is activated by speaker output adjust the ANTI VOX control on the rear panel as necessary for proper VOX operation Do not use excessive vox or ANTI VOX gain more than necessary to control VOX operation If the VOX circuit transfers between words or holds too long adjust the release time constant by the DELAY control 19 3 By using XIT transmit frequency can be shifted independent of receive frequency With the XIT switch ON the XIT is controlled by the RIT XIT knob and transmit frequency can be shifted by about 2 kHz When both the RIT and XIT switches are ON both receive and transmit are shifted without adjusting the main tuning 4 MONITOR To monitor transmitted 558 signal quality turn the MONITOR switch ON to demodulate and sample a part of the transmit IF signal This feature is useful for checking modulation or when adjusting the speech processor When monitoring use a headphone to avoid audio feedback NOTE If the HEATER switch is OFF or the DRIVE control is in correctly adjusted the ALC circuit will
29. anel KEY If CW operation is desired connect a key to the KEY jack Use shielded line or coaxial cable m POWER CONNECTIONS Make sure the POWER switch on the front panel is turned off the stand by switch is in the REC position and the line voltage is correct Then connect the POWER cord to the line source W AC POWER For fixed station operation the TS 830S operates from 120 VAC 50 60 Hz power source capable of supplying 280 watts or more 2 4 MICROPHONE Attach the microphone connector to a suitable microphone as shown in Figure 2 1 Be sure the microphone PTT switch is separate from the microphone circuit as shown in Figure 2 3 It should be noted that a microphone with a 3P plug using a common ground terminal should not be used The microphone input is designed for 50 kohm micropho nes The choice of microphone is important for good speech quality and should be given serious consideration The crystal lattice filter in the transceiver provides all the restriction necessary on audio response and further restriction in the microphone is not required It is more important to have a microphone with a smooth flat response throughout the speech range Follow the microphone manufacturer s instructions for con necting the microphone cable to the plug With many microphones the push to talk button must be pressed to make microphone audio available For VOX operation this unwanted feature may be eliminated if desired
30. approximate 29 DRIVE CONTROL This control tunes the plate tank circuit of the 12 BY 7A driver as well as the receiver s antenna and mixer coils In receive the DRIVE control is tuned for maximum sensitivity maximum S meter deflection and in transmit for a maximum ON SCALE ALC reading These points occur concurrently Tuning for one also achieves the other 30 RIT XIT INDICATOR LED This indicator will light when the RIT switch 44 or XIT switch 43 is ON 31 RIT XIT CONTROL This control allows the receive frequency transmit frequency or both to be shifted without using the main tuning control With the RIT switch 44 ON the RIT circuit is activated to shift only the receive frequency With the XIT switch 43 ON the XIT circuit is activated to shift only the transmit frequency When both switches are ON both frequencies are shifted The center O position equals no shift 32 BAND SWITCH The 10 position switch selects all Amateur bands from 1 8 to 29 7 MHz To select the 28 5 or 29 5 MHz bands push the 0 5 switch 33 ON Use the 10 MHz band for WWV reception An AUX receive band is also available Coilpack Receiver front end and PLL components must be installed and aligned for the specific receive frequency range desired 33 0 5 SWITCH This switch is used in conjunction with the bandswitch 32 Depress the switch with the bandswitch set to 28 and the transceiver will operate in the 28 5 MHz band
31. band For this reason you may simply adjust both the PLATE and the LOAD controls for maximum output as described in both tune up procedure and summary Table 4 1 PLATE adjustment range Table 4 1 Summary of Transmitter Tuning Procedure MODE Switch METER Switch Stand by Switch Procedure USB or LSB IP TUNE ALC TUNE RF CW RF 18 REC gt SEND SEND SEND SEND Adjust BIAS control for 60 ma Peak the ALC reading with the DRIVE control Peak the RF reading with the PLATE control Peak RF output by alternately adjusting the PLATE and LOAD controls 1 558 OPERATION Tune the 5 8305 as described in steps 1 through 7 Set the MODE switch per Table 4 2 to USB or LSB and connect a microphone to the MIC input NOTE International Amateur practice dictates using USB or LSB as in Table 4 2 To operate SSB connect a microphone The Key and CARRIER control have no effect in SSB mode Place the MODE switch to SSB METER switch to ALC Adjust the MIC gain control for an on scale ALC reading on voice peaks Disregard RF and meter readings in SSB they are not accurate or relevant TABLE 4 2 1 8 MHz Band 3 5 MHz Band 7 MHz Band 10 MHz Band 14 MHz Band 18 MHz Band 21 MHz Band 24 5 MHz Band 28 MHz Band W PTT Push to talk OPERATION By using a microphone equipped with a PTT switch the transceiver is ready for PTT operation To key depress the PTT switch with the stand by switc
32. be shifted For switch operation refer to Section 4 4 Transmission ma NOTE When the RIT is ON transmit frequency is different from the receive frequency For normal operation leave the RIT Switch OFF It should be turned ON only when needed 5 VBT CONTROL Variable Bandwidth Tuning This control is used to eliminate radio interference by changing the IF passband width Use this control in conjunction with the IF SHIFT and NOTCH filter to obtain optimum results By setting the VBT control to the NORMAL position maximum passband width is obtained The IF filter passband width is narrowed as the control is adjusted counterclockwise while center frequency remains unchanged Fig 4 4 illustrates operation The range of variability depends on the type of optional filter used i When the filter bandwidth is 2 4 kHz without an option al filter the passband width varies within the range of 500 Hz to 2 4 kHz See Fig 4 3 ii With an optional YK 88C filter 8 83 MHz 500 Hz bandwidth or YG 455C filter 455 kHz 500 Hz bandwidth the passband width varies from 500 Hz to approximatly 150 Hz Since an optional filter center frequency is 700 Hz higher than that of the built in 2 4 kHz filter the CW receive tone will be about 800 Hz without using the IF shift Fig 4 4 shows the VBT function with an optional filter 0 5 2 4 kHz 500 Hz A USB LSB mode B CW 500 Hz filter Fig 4 3 VBT Control Positioning
33. chine oil to the front and rear fan motor bearings WARNING Be certain to disconnect power and to discharge high voltage before servicing in the final compartment 6 2 SERVICE POSITION The 5 8305 should be placed on its side with the final section up for any alignment or service This position permits adequate ventilation for the final tubes as well as easy accessibility to the modules Most of the described adjustments can be made without removing the boards from the transceiver 26 L SECTION 6 MAINTENANCE AND ALIGNMENT LA 6 3 RECEIVER ADJUSTMENTS W RIT ZERO AF AVR UNIT When the RIT circuit is turned on and the RIT control is set to zero the receive frequency should be exactly the same as the transmit frequency If the frequency is not the same adjust the RIT zero preset control VR2 To zero the RIT turn on the calibrator and tune the VFO for about a 1000 Hz calibrator tone Turn the RIT control to zero Turn the RIT switch ON and adjust VR2 for the same 1000 Hz tone Push the RIT switch ON and OFF to be sure the tones are identical m NOTCH ADJUSTMENT IF UNIT Turn the NOTCH switch OFF and center THE NOTCH con trol Receive a 25 kHz marker signal at 1 9 MHz with a 1 5 kHz beat frequency Turn the NOTCH switch ON While monitoring AF output through the speaker adjust L10 and VR1 alternatly to minimize this signal laux 10 35 H 1 1
34. clear Strong signals with reduced cross modulation 6 Variable level noise blanker Conventional fixed level noise blankers are sometimes less than effective in removing pulsating noise over weak signals or rejecting strong interference signals This variable level noise blanker is equipped to control the optimum threshold level of the gate pulse amplifier 7 RF speech processor to increase average power during SSB operation This is an RF clipper speech processor using both the 455 kHz and 8 83 MHz IF s Unwanted frequency components are removed by the 8 83 MHz crystal filter providing a compression ratio of approximately 20 dB 8 Transmit monitor circuit The built in monitor circuit permits easy adjustment of the RF processor and MIC GAIN 9 XIT Transmit Incremental Tuning for fine adjustment of transmit frequency independent of receive frequency 10 A combination of precise easy to read digital frequency indicator and an analog dial The digital indicator has a Digital Hold memory function 11 The controls are arranged on the die cast front panel for easy operation 12 A full variety of accessory circuits are provided The TS 830S includes VOX circuit available for Semi Break in Marker circuit side tone oscillator 3 position AGC circuit OFF FAST SLOW RF FIX circuit Audio frequency cha racteristics selecter circuit for each MODE CW zero in circuit IF OUT terminal HEATER switch SG switch
35. el adjustment while the drive control is a resonative adjustment NOTE The TUNE position permits tuning of the final tank circuit at reduced power without danger to the tubes In the TUNE position the screen voltage to the finals is reduced approximately 50 and the keying circuit is closed Adjust DRIVE control for maximum meter deflection 6 Place the meter switch to IP and dip the PLATE Dip will be typically only about 5 ma TRANSCEIVER Adjusting point Adjust PLATE control for maximum meter deflection RF Fig 4 11 Quickly adjust the PLATE control and then the LOAD control alternately to peak maximum meter deflection the power output For maximum deflection HF TRANSCEIVER Fig 4 12 7 Place the meter switch to RF and peak the LOAD control 8 Place the Mode switch to CW Meter switch to IP Close the key and IMMEDIATELY redip the PLATE control Reduce the carrier control setting if IP reads over 265 ma Open the key 9 Place the meter switch to RF Close the key and repeak the LOAD for maximum RF output You may at your option also redip the PLATE for maximum RF output Open the key You are tuned up for CW operation If necessary adjust the RF VOLT control on the rear panel to bring the output reading to about 2 3 scale This is a meter adjustment not an output adjustment NOTE Dip point may not always coincide with maximum RF output Because neutralization is accomplished on the 10 meter
36. f receiver overload caused either by a strong local signal or during weak signal reception when a strong adjacent signal may blank the receiver 2 RF GAIN CONTROL RF GAIN is controlled by changing the AGC threshold voltage Adjust the RF GAIN so the S meter does not deflect excessively This also reduces noise during reception For normal operation this control should be turn ed fully clockwise for maximum sensitivity 3 AGC AUTOMATIC GAIN CONTROL Set the AGC switch to the appropriate position Generally for SSB SLOW for CW FAST and for very weak signals the AGC may be turned OFF Simultaneous Use of the RF GAIN CONTROL and AGC Switch If a strong signal such as a local station appears in the vici nity of the intended receive signal the S meter may show unusual deflection due to the AGC voltage developed from the strong disturbing signal If this occurs turn the RF GAIN down so the meter pointer remains at about the original deflection peak and turn the AGC switch OFF This will eliminate the unwanted AGC voltage and permit clear reception 4 RIT XIT First set the RIT XIT control to center and turn the RIT switch ON The RIT XIT control allows shifting the receive frequency by approximately 2 kHz without changing the transmit frequency With the RIT switch ON the receive frequency can be adjusted by using the RIT control With both the RIT and XIT switches ON both the transmit and receive frequencies can
37. ference frequency adjustment access opening on the bottom of the TS 830S so the two beats are heard as a single beat Repeat this procedure 2 or 3 times This completes calibration of the Digital Display After calibration turn of the CAL switch Access STD OSC F ADJ Insulated tuning tool Fig 4 16 Digital Display Calibration 4 7 ANALOG DIAL CALIBRATION The main dial scal is graduated at 1 kHz intervals One revo lution of the main dial covers 25 kHz To calibrate the scale turn the MIC control to the CAL position Zero beat in SSB or CW mode Hold the main tuning knob from rotating and slip the calibration ring to the nearest major 5 kHz graduation The dial is now calibrated NOTE For exact frequency read the Digital Display Pointer Fig 4 17 Analog Dial Calibration 21 S peer coa SECTION 5 OPTIONAL ACCESSORIES 5 1 OPTIONAL ACCESSORIES The following optional accessories are available for use with the 5 8305 REMOTE VFO VFO 230 The VFO 230 digital VFO provides maximum efficiency and flexibility for all operating conditions including split frequency operation by combining a 20 Hz step digital VFO with five memories ANTENNA TUNER AT 230 The AT 230 antenna tuner includes the three new bands and such functional features as a through line wattmeter SWR meter and antenna selector switch VFO 230 TL 922A
38. g receive frequency t eliminates interference or adjusts receive frequency characteristic as desired High reliability 455 kHz notch circuit Interference is also eliminated by the built in notch circuit The TS 830S uses 455 kHz notch frequency The notch circuit shifts the BFO frequency and the mixer local frequency at the same time thereby equiva lently changing the notch frequency Thus accurate notch characteristic is realized even when the notch point is changed completely eliminating nearby inter ference signals NARROW WIDE BANDWIDTH selection and optional filters for enhanced CW operation NARROW or WIDE CW operation can be selected when using the following optional filters YK 88C 500 Hz YK 88CN 270 Hz YG 455C 500 Hz YG 455CN 250 Hz Variable tone control circuit 2 WARC bands The TS 830S fully covers 160 10 m Amateur bands including the new WARC bands of 10 18 and 24 5 MHz 3 All in one compact AC Power supply system SECTION 1 INTRODUCTION AND FEATURES AAV A MM MMomom e IPM HILL HH HEU HRE ARE UE AH AY MI eM 4 Advanced circuit design for improved two signal cha racteristics Cleverly deisgned front end circuit compo nents and receive circuit system assure excellent two signal characteristics Cross modulation and blocking are reduced 5 TX final unit uses 6146B s The finals are a pair of 6146B transmitting tubes RF negative food back and amplified ALC provide
39. h left in the REC position NOTE 1 Transmission is impossible with the BAND switch set to AUX 10 18 or 24 5 2 Do not set the unit to the transmission mode when the BAND switch is set to AUX or is in midway between AUX and 1 5 Doing so will damage the drive vacuum tube 12BY7A 4 4 TRANSMISSION 11 To obtain maximum transmitter performance from your TS 8308 you should understand the proper operation of the following controls and switches 1 SPEECH PROCESSOR In SSB operation particularly DX operation it may be desi rable to increase talk power by using the speech processor This may make the difference between a margi nal and a copiable signal Operation The speech processor system in the 5 830 is anRFclipper using two filters one in the VBT circuit and the other in the IF Turn the PROCESS switch ON and place the METER switch to COMP Adjust the COMP LEVEL control while speaking into the microphone in a NORMAL tone of voice for a peak COMP scale reading of about 10 20 dB Do not overdrive the COMPRESSOR This will deteriorate voice quality increase transmitter noise level and in general make copying your signal more difficult Next set the METER switch to ALC and adjust the MIC control while speaking into the microphone Ensure that meter deflection is within the ALC zone 2 VOX Voice Operated Transmit OPERATION Adjust the transceiver as described in the previous pa ragraph Flip the VOX switch on
40. is present on an adjacent frequency do not use excessive NB threshold LEVEL as it may distort the received signal 10 TONE CONTROL Adjust this control to obtain desired tone quality 4 3 TRANSMISSION 1 This section covers adjustment of the transceiver for transmission Refer to Fig 4 1 for initial transmitter switch settings Set the main tuning to the desired operating frequency Refer to Table 4 1 for a summary of the following CAUTION DO NOT turn the BANDSWITCH while the transceiver is in transmit mode DO ooo A O Power meter Fig 4 8 Testing with a Dummy Load or Power Meter 1 Connect a 502 antenna for the band you will operate or a dummy load and connect a Key SWR must be 2 1 or better The life of the final tubes is directly related to the SWR of the antenna and to the length of tuning periods Turn POWER and HEATER Switches ON 3 Place the MODE switch to SSB METER switch to Ip 4 Place the STAND BY switch to SEND and adjust bias to 60 mA with the BIAS control on the rear panel CAUTION If the plate current is higher than 60 mA do not leave the stand by switch on for more than a few seconds Excessive plate current shortens the life of the final tubes N Fig 4 9 17 5 Place MODE switch to TUNE METER switch to ALC Peak the DRIVE control If the meter pegs or goes out of the ALC range reduce the CARRIER control setting for an on scale reading the CAR countrol is a lev
41. ive frequency can be calibrated at 25 kHz intervals using the built in oscillator 10 20 CAR LEVEL CONTROL This controls carrier level during CW operation Adjust for approximately 250 mA of plate current 21 FIX SWITCH Place this switch ON for fixed channel operation an optional crystal is required Trio Kenwood does not supply these crystals 22 MONI MONITOR SWITCH D This delivers a sample of the demodulated transmit IF signal to the AF for monitoring modulation 23 SWITCH With this switch ON 20 dB attenuator is inserted in the antenna circuit protecting the RF amplifier and mixer from overload on strong input signals 24 DIGITAL DISPLAY The digital display indicates operating frequency to the nearest 100 Hz 25 ANALOG DIAL SCALE The mono scale permits direct analog frequency readout over the O to 500 kHz range graduated at 1 kHz intervals Operating frequency equals the dial in kHz plus the BAND switch frequency in MHz An additional 50 kHz both above and below the 500 kHz range is also covered 26 MAIN TUNING This controls the VFO selecting the transceiver s operating frequency The indented knob is convenient for quick tuning 27 LOAD CONTROL 1 This controls the loading of the network between the final section and the antenna Adjustment is described in Section 4 28 PLATE CONTROL 1 This controls the plate tuning of the final amplifiers Ca libration is
42. jack and the monitor input When transmitting adjust the transmitter output so that fi nal input power is less than 100W less than 125 mA 1 for approximately 1 2 of normal output power for AFSK connect the T U output to the MIC input and speaker output to the T U input m PHONE PATCH OPERATION The PC 1 Phone Patch may be used with the TS 830S Recommended settings are PC 1 RX Gain 4 TX Gain 4 Null as necessary TS 830S Vox Gain 1 AF Gain 4 Mic Gain 5 Anti Vox Max Most other patches will work satisfactorily without any modification to the radio requiring only and external speaker connection and that the Mic line be run through the patch For those operators who desire a Patch input similar to the TS 520S or 5 8205 an input connection and terminal must be added at the Mic input preamp circuit Use a 100 resistor in series with a 10 to ground on the input side of the 100 kQ resistor Use shielded line and connect as follows On the IF unit X48 1290 00 install the fixed divider at the junction of R111 10 C103 100 pF and C104 1 input of 032 Add an RCA jack at one of the predrilled hole on the rear panel for input laput 100K IOK Optional Special Phone Patch Input Fig 5 5 W EXTENSION FEET The 5 8305 is provided with two extension feet which can be used to elevate the front panel In some operating positions the tilt makes it easier to read the dial and meter Fig
43. meter indicates S 9 at 14 175 MHz 40 dB signal 6 4 TRANSMITTER ADJUSTMENTS TRANSMITTER NEUTRALIZATION See Internal View Bottom The TS 830S requires neutralization every time the final tubes are changed Tune up the TS 830S into a 50 ohm dummy load at 28 5 MHz for CW operation as described in Section 4 Set the SG switch to OFF and place a sensitive RF milli voltmeter across the dummy load Flip the stand by switch to SEND and adjust TC1 at the bottom of the final section for a minimum reading on the voltmeter After the final section is neutralized flip the stand by switch to REC and slide the SG switch ON A receiver tuned to 28 5 MHz works very well for neutraliz ing if an RF voltmeter is not available Instead of tuning for a minimum voltage tune for a minimum S meter reading NOTE Since the drive tube operates into a fixed load the finals it is not always necessary to replace this tube when replacing the finals CAUTION Neutralization of the final section should be carried out with the chassis shield in place Dangerous high voltages are present in the final section when the transceiver is turned on Use an insulated tool to make this adjustment W TRANSMIT DRIVE COIL ADJUSTMENT RF UNIT The drive coils are part of the coil pack unit Set the SG Switch on the rear panel to OFF and center the DRIVE con trol 12 o clock Set the METER switch to ALC and the MODE switch to CW W CW N or TUN With the standb
44. ng SWR down Since field strength is the primary goal we recommend a field strength meter for antenna tuning For antenna adjustments the transceiver may be loaded lightly using the TUNE position instead of operating at full power output This will limit tube dissipation during adjustments and will also help to reduce interference on the frequency In any case do not leave the transmitter on for very long at one time Turn it on just long enough to tune and load and get a field strength reading Start out with the antenna whip at about the center of its adjustment range Set the VFO to the desired operating frequency and then adjust the PLATE control for a dip and then the LOAD control Then observe the field strength reading The field strength meter may be set on top of the dash on the hood or at an elevated location some distance from the car Change the whip length a half inch or so at a time retune the finals each time and again check the field strength at the antenna Continue this procedure until the point of maximum field strength is found This adjustment will be most critical on 75 meters somewhat less critical on 40 until on 10 meters the adjustment will be quite broad After tuning the antenna to resonance the finals can be loaded to full power NOTCH INDICATOR LED R 2 VFO INDICATOR LED FIX INDICATOR LED 20 DIGITAL DISPLAY RF ATT INDICATOR LED A DH SWITCH ANALOG DIAL SCALE METER
45. nput 2 enr 220W PEP for SSB operation 180W DC for CW operation Audio Input Impedance 5000 50 kQ RF Output Impedance 502 75Q Frequency Stability Within 100 Hz during any 30 minute period after warmup Within 1 kHz during the first hour after 1 minute of warmup Carrier Better than 40 dB Sideband Suppression Better than 60 dB Spurious Radiation Better than 60 dB Harmonic Radiation Better than 40 dB Audio Freq Response 400 to 2 600 Hz within 6 dB 3rd Order Intermodulation Distortion Better than 36 dB RECEIVER Receiver Sensitivity Image Ratio Rejection Receiver Selectivity SSB CW WIDE CW NARROW 0 25 uV at 10 dB S N N Better than 60 dB Better than 80 dB 2 4 kHz 6 dB 3 6 kHz 60 dB With YK 88C option 500 Hz 6 dB 1 5 kHz 60 dB With YK 88CN option 270 Hz 6 dB 1 1 kHz 60 dB With YG 455C option 500 Hz 6 dB 820 Hz 60 dB With YG 455CN option 250 Hz 6 dB 500 Hz 60 dB Variable Bandwidth A A AS 500 Hz 2 4 kHz 6 dB continuously variable COW E E 150 Hz 500 Hz 6 dB continuously variable With optional filter YK 88C and YG 455C added Notch filter Attenuation Better than 40 dB Audio Output Impedance 8 162 Audio DUDE o ree ertet 1 5W 8Q Will transmit on the new 30 1
46. or break in CW operation Adjust for individual preference 16 PHONES JACK The headphones jack allows use of a 4 to 16 ohm headphone through a 1 4 phone plug When phones are used the speaker is disconnected 17 MIC CONNECTOR 1 The four pin connector allows use of a PTT microphone Figure 2 1B shows plug wiring 18 MODE SWITCH The mode switch selects type of emmission and TUNE TUNE This position provides reduced carrier and shorted key line for transceiver tuning Input power to the final section is reduced to prevent tube damage during tune up Used for CW operation A high cut filter is inserted in the receiver audio circuit to reduce unwanted noise SSB filter selected for WIDE receive bandwidth NARROW Used for CW operation with filters YK 88C 500 Hz YK 88CN 270 Hz YG 455C 500 Hz or YG 455CN 250 Hz which are available as optional accessories Without an optional CW filter installed the pass bandwidth is the same as in CW W USB ul Used for upper sideband operation Inter national Amateur practice dictates the use of USB on the 10 14 18 21 24 5 and 28 MHz bands USB Selects lower sideband International Amateur practice dictates the use of LSB on the 1 8 3 5 and 7 MHz bands 19 MIC GAIN CONTROL This control adjusts microphone amplifier gain for SSB operation Adjust for an on scale ALC reading on voice peaks In the CAL ON position rece
47. or light bulb dummy loads cannot be used Conventional half wave dipoles and beam antennas should only be used at or near their resonant frequency Exceeding an SWR of 2 1 can damage the output stage of the transceiver Adjust DRIVE control for maximum deflection 14 1 Basic Procedures for Receive Operation The TS 830S has many advanced features such as IF SHIFT NOTCH etc to assure enhanced receive operation For the use of these specialized controls and switches refer to Section 4 2 Reception 11 With a suitable antenna and microphone or key connected to the transceiver set the controls as described in Fig 4 1 Turn the POWER switch ON The meter dial scale and VFO indicator will light indicating the transceiver is operating Advance the AF GAIN control clockwise until some receiver noise is heard in the speaker Turn the main tuning dial within the frequency range of the Amateur band chosen until a signal is heard Tune the signal for clearest reception and then adjust the DRIVE control for maximum S meter deflection 2 WWV Reception Set the band switch to 10 and turn the main tuning control to 10 0 MHz 4 2 RECEPTION 11 This section covers operation of controls and switches to provide the maximum performance from the TS 830S 1 RF ATT SWITCH The input to the receive RF amplifier is attenuated approximately 20 dB providing distortion free reception This feature may be used in cases o
48. peration 4 4 Transmission 1 1 Speech Processor 2 VOX Voice Operated Transmit Operation 3 XIT Transmitter Incremental Tuning 4 Monitor 5 CW Operation 4 5 Fixed Channel Operation 4 6 Digital Display Calibration 4 7 Analog Dial Calibration SECTION 5 OPTIONAL ACCESSORIES 22 5 1 Optional Accessories 5 2 Installation of Accessories SECTION 6 MAINTENANCE AND ALIGNMENT 26 6 1 General 6 2 Service Position 6 3 Receiver Adjustments 6 4 Transmitter Adjustments 6 5 Transmitting on WARC BANDS 6 6 Ordering Spare Parts 6 7 Service TROUBLESHOOTING BLOCK DIAGRAM SCHEMATIC DIAGRAM INTERNAL VIEW 28 31 M e 1585 8305 SPECIFICATIONS M RR GENERALI Frequency Range euet epe 160 m Band 1 8 2 0 MHz 80 3 5 4 0 MHz 40 7 0 7 3 MHz 30 m Band 10 1 10 15 MHz 10 0 MHz WWV 20 m Band 14 0 14 35 MHz 17 m Band 18 068 18 168 MHz 15 m Band 21 0 21 45 MHz 12 m Band 24 89 24 99 MHz 10 m Band 28 0 29 7 MHz tere Rete SSB CW Power Requirement 120V AC 220V modifiable 50 60 Hz Power Consumption Transmit 295 watts Receive 32 watts with heaters off Dimensions 333 13 3 133 5 3 333 13 3 mm inch eee aet d qe 13 5 kg 29 8 Ibs TRANSMITTER Powerl
49. t disabled Normally used for CW operation Normally used for SSB operation 12 METER SWITCH This determines the transmit meter function ALC Automatic Level Control Monitors internal ALC voltage or the ALC voltage feedback from a linear amplifier operated in conjunction with the TS 830S For SSB operation the ALC reading for voice peaks should be within the indicated ALC range ALC voltage adjustment is made with the MIC control for SSB and with the CAR control for CW IP Plate Current In this position the meter monitors final tube plate cur rent The scale is calibrated from 0 to 350 ma RF Output Power This monitors relative output power of the transceiver There is no meter scale for this position Normally the reading should be adjusted with the RF VOLT control for a 2 3 scale reading COMP This indicates compression level when the speech processor is operating HV High Voltage This position monitors the high voltage power supply The meter scale is calibrated from O to 10 indicating O to 1000 volts 13 STAND BY SWITCH 1 This two position lever switch selects REG nei The transceiver is receiving unless the microphone PTT switch or the VOX circuit is activated SEND Locks the unit in transmit 14 VOX GAIN D This controls sensitivity of the VOX Voice Operated Transmit circuit 15 VOX DELAY CONTROL The DELAY control adjusts the hold time for VOX
50. ted by the key VOX off In this case listen to the side tone super imposed on the receive signal and adjust the main tuning for similar side tone and incoming CW audio tone By doing so transmit frequencies will be zeroed You may now adjust the RIT for a pitch which suits your preference If inter ference is encoutered adjust the IF SHIFT For more convenient and effective CW operation use of the optional CW filters is recommended W OPERATION WITH CW FILTER OPTION Set the IF SHIFT to its center position and the RIT OFF Adjust the main tuning for maximum S meter deflection Receive signal pitch will be about 800 Hz indicating correct tuning m KEY CONNECTION Fig 4 7 Your key should be connected as illustrated in Fig 4 14 When using an electronic keyer make sure that polarity is correct Use shielded line from the key to transceiver NOTE When using an electronic keyer set polarity of the keyer for NEGATIVE keying ANTI VOX EXT SP Before connecting check that polarity is correct The KEY jack provides 65V Fig 4 14 Key Connection m SEMI BREAK IN OPERATION The TS 830S has a built in side tone oscillator to permit semi break in operation besides the normal CW operation During semi break in operation the transceiver is set in transmit mode when the key is depressed and returns to receive mode when the key is released For semi break in operation place the STANDBY switch to REC and turn the VOX GAIN
51. underneath the board Replace the six screws 8 Move the connector as illustrated from CW1 to CW2 cw4 9 Reinstall the bottom cover Reconnect the speaker lead and reinstall the top cover 24 10 Apply power and verify your work Filter installation is now complete YG 455C YG 455CN YK 88C YK 88CN FILTER CW FILTER Te Fig 5 21 Installing the Accessory CW Filters 8 8307 MHz 455 7 kHz Terminal YK 88C YK 88CN YG 455C CW YG 455CN Cw YK 88C or YK 88CN YG 455C or YG 455CN CW m VFO 230 CONNECTION Fig 5 3 Connect the VFO 230 as shown in Fig 5 3 You will enjoy advanced operation including split frequency capability by combining a 20 Hz step digital VFO with five memories 230 GND cable VFO cable Fig 5 3 VFO 230 Connection m ACCESSORY CONNECTIONS Fig 5 4 shows the ACSY connector This DIN plug can be used for attaching a linear amplifier or other external accessories to the transceiver Always use shielded line for all functions NOTE ALWAYS use shielded line for all connections 1504 To ALC circuit From STBY switch PTT circuit From AF out 89 EA TS 830S Internal Wiring W SSTV AFSK OPERATION The 5 8305 will adapt very well to slow scan television or AFSK RTTY operation For SSTV the only cabling required are connections between the MIC connector of the TS 830S and the camera output and between the SPEAKER
52. une antenna system REMEDY Pilot lights do not light and there is no receiver noise when the POWER switch is turned on Bad power cable or connections Blown power supply fuse Check cables and connections Check for the cause of the blown fuse and replace the fuse An antenna is connected but no signals are heard FIX SW is turned ON Microphone PTT switch or stand by switch is in the transmit position Turn the FIX SW off Release the PTT switch An antenna is connected but S meter deflects without a received signal RFGAIN control closed Low AC line voltage Open RF GAIN control Use step up transformer to raise the line voltage SSB signal unintelligible MODE switch is set to wrong sideband Turn MODE switch to the correct sideband RIT control inoperative RIT switch is off Push RIT button SSB received signal is extremely high cut or low cut IF shift is out of adjustment VBT is out of adjustment coritrol is out of adjustment Set to the center click position Settothe NORMAL position Setto the center position 29 T X LINA AWIASIO Y VSO18LINFN H H 1 H i i i H i H 090952 8181252 020052 9169 AN 25099952 SION dAV 61552 EN KROK 8 t 8 CB LE tt 12 t8 22 2810 cue 5 tt 6 88 0 1 0588 30 KK 1
53. y switch in the SEND position adjust the drive coils for maximum ALC deflection for each band using the same frequency and in the same order as for adjustment of ANT and MIX coils During adjustment adjust the CAR control so there is just enough injection to swing the ALC meter m TRANSMIT COIL ADJUSTMENT IF AND RF UNITS Using any frequency place the transceiver in transmit mode in the CW N CW W or TUN position Adjust 128 29 on the IF unit and T4 in the RF unit for maximum ALC deflection CARRIER BALANCE ADJUSTMENT IF UNIT With a 500 dummy load connected to the ANT terminal adjust for maximum output at 14 175 MHz Reduce mic gain to zero Set the transceiver in 158 mode and adjust the RF VOLT control on the rear panel for maximum sensitivity The RF meter will deflect if the carrier is unbalanced To balance the carrier alternately adjust trimmer TC2 and trimpot VR4 until the meter indicates minimum Switch to USB mode and if the pointer deflects readjust so the pointer deflects equally for both LSB and USB W ADJUSTMENT OF SIDE TONE LEVEL AF AVR UNIT Adjust VR1 to your preference m ADJUSTMENT OF MONITOR LEVEL IF UNIT Adjust VR8 to your preference 6 5 TRANSMITTING ON WARC BANDS As supplied the TS 830S will receive but not transmit on the 3 new WARC bands If transmit capability is desired a minor wiring change is required 1 For all 3 bands Break the line between the RF unit X44 1360 00 connector 6
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