Kenwood TS-820 Скачать руководство пользователя страница 25 | Manualshive

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Содержание TS-820

Страница 1: ......

Страница 2: ... f KEN Model TS 820 OPERATING MANUAL ...

Страница 3: ...in Control 4 11 Transmitter Tuning 4 12 SSB Operation 4 13 CW Operation 4 14 Operation with a linear Amplifier 4 15 Fixed Frequency Operation 4 16 Internal Cross Channel Operation 4 17 Mobile Operation 4 18 OX Operation Use of Processor 4 19 RTTY Operation 4 20 SSTV Slow Scan TV Operation 4 21 Operation with a Phone Patch 4 22 Use of Monitor Switch 4 23 Novice Operation TS 820 BLOCK DIAGRAM 24 SEC...

Страница 4: ... operation 160 walls DC for CW operation 90 watts DC for CW operation 100 watts for FSK operation 60 watts for FSK operation AUDIO INPUT IMPEDANCE 50 k ohms high impedance A UDIO OUTPUT IMPEDANCE 4 to 16 ohms speaker or headphones AUDIO OU TPUT More than 1 5 watts with less than 10 distortion into an 8 ohrn load RF OUTPUT IMPEDANCE 50 75 ohms FREQUENCY STABILITY Within 100Hz during any 30 minute p...

Страница 5: ...front panel and a rigid chassis providing outstanding mechanical stability for mobile operation All the operating part such as control knobs and dials are designed and arran ged according to human engineering technology to en sure maximum case of operation 8 Monitor Circuit 4 The monitor circuit allows you to hear your own voice during transmission which is normally impossible with conventional tr...

Страница 6: ...nd 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 an tenna tu ner is recommended between the transceiver and the feed line Methods of construction and operating such tuners are described in detail in the ARRL Antenna Hand book and similar publications For operation on 75 and 40 meter bands a si...

Страница 7: ...re sponse throughout the speech range The microphone manufacture s instructions should be folio wed in connecting the microphone cable to the plug With many microphones the push to talk button must be pressed to make the microphone operative For PTI operation this feature may be disabled if desired by opening the micro phone case and permanently connecting the contacts which control the microphone...

Страница 8: ...ring a new power plug conlirm lllat the p1n numbering on tne new plug 15 1dent 1cal to the pin numbenng on tile POWER connector Tile transoe ver can be damaged by mcorr eor pin wiring 120 220 VAC 120 220 VAC DC 13 8V w f u AC OPERATION DC OPERATION Fig 1 b Power Plug Wiring l seen frorn the cord Mtcrophone Fig 2 M icrophone Connection Wiring 7 ...

Страница 9: ...Unsuilable for Pn operation Microphone I D e g 6 b Unsuitable for PTT operation SW IC11 M cropllone i D g f c Suilable for PTT operation S w1ICI1 Fig 3 A Suitable PTT M icrophone 9 PMT SHORT PLUG EXT VFO Fig 4 Back Panel Jumpered EXT VFO Connection 8 _ ...

Страница 10: ... 3 OPERATING CONTROLS i t o ll l lll ll lt Qtlllt l l ttl l tUU tlf lllll tU Uiotiiiii Utt l llltflo tiN tNN tllllit llll 4fUI tMitto lflll llfl llltlt tlttiJI tttt ll t11MI tllt M I II t l t ttMt tlfltt tlfi IIUU ttiUI UIN Inltt llllt t MI II tll tl111t IIUJ Front View Panel 9 I ...

Страница 11: ...00 volts ATT INDICATOR Th1 s indicator uses a light emitting diode It is illuminated w hen the RF ATT switch is turned to ON FIX FIXED CHANNEL OPERATION INDICAT OR The FIX indica tor is a lightemitting diode which illuminates whenever the TS 8 20 s internal fixed frequency oscillator is controlling the transceiver s operation 10 VFO INDICATOR The VFO indicator is a iight emitting diode which illum...

Страница 12: ... adjustment of transmit conditions The input power to the final stage is low as compared with that for CW so that the final stage tube s can be protected against damage due to overloading during adjustment Since the KEY circuit is ino perative in the TUN mode the transceiver cannot be used for transmission or reception Used for CW operation Used for USB operation It is internationally de termined ...

Страница 13: ...ed in the oscillator The VFO R and FIX R allow cross channel operation without an external VFO With the switch in this position the TS 820 s fixed channel oscillator controls the transmit and receive function of the transceiver if accessory fixed channel crystals are installed in the tr_ anscei ver H SW HEATER SWITCH This sw itch turns the heater circuits of the three transmitting tubes on and off...

Страница 14: ...for transmission it will be cor rectly tuned for reception PLATE KNOB The PLATE control adjusts t11e plate tuning of the two final amplifier tubes Rear Panel View LOAD KNOB The LOAD control adjusts the loading of the pi circuit bet ween the final section and the antenna The control is adjust as described in Section 4 for impedance matching DH DISPLAY HOLD SWITCH WHEN THE DISPLAY DG 1 IS USED With ...

Страница 15: ... short circuits Never use a higher amperage fuse than the one specified An improper one can cause extensive damage to the transmitter When the fu se blows out try to determine the cause before repla cing it 14 VVnen the posruon of the AC Voltage Selector Switch is changed it is also necessary to change the power fuse For 120 volt operation a 6 ampere fuse for 220 volt operation a 4 ampere fuse pro...

Страница 16: ...m See Fig 301 PIN FUNCTION PIN FUNCTION 1 Ground 5 Normally open rel y contact 2 No connection 6 ALC feedback 3 Norm JIIy closed Occup1 ed as terminal relay con tact 4 Ground B Ex 1ernal speaker IF OUT JACK Receive signals from the final IF stage are supplred to this jack for monitoring waveforms of opposite stations CW KEY JACK Connect a key to this 1 4 phone jack for CW operation RTTY KEY JACK T...

Страница 17: ...TT FUNCTION Switch AGC Switch MODE Switch PLATE Knob DRIVE Knob RIT Knob AF GAIN Knob IF SH IFT Knob RF GAIN Knob REAR PANE L CONTROLS EXT VFO Connector SG Switch X VERTER Switch The remaining controls do not affect reception so they may be in any position Push the POWER switch on The meter dial scale and VFO indicator will light indicating that the transceiver is opera ting The receiver section i...

Страница 18: ...icates 0 25 50 or 75 on the dial The dial calibrate knob is forced against the main tuning knob by means of a spring permit slip rotation with ease cw Set the IF SHIFT knob to its center position If CW filter is not used obtain a zero beat point of marker s1gnal and turn the main tuning l nob counter clocl wise until a beat signa of about BOO Hz isreceived yYhile holding the main tuning knob turn ...

Страница 19: ...nker IS particularly important for mobile opera tion When necessary activate the noise blanker circuit by flipping the NB switch up 18 4 10 AGC A UTOMA TIC GAIN CONTROL Set the AGC switch to the position appropriate for the rece1 ved signal Generally for SSB reception set the AGC switch to SLOW for CW reception set the AGC switch to FAST and for reception of a very weak signal the switch may be se...

Страница 20: ...NT PANEL METER Switch Stand bv Switch IP ALC IP RF METE RF IP 1 rcoMP SEND SEND SNED SEND Fig 7 Adjustment of the Plate Idling Current POSITION Desired band ON ON REC USB or LSB depending on selected band MAN OFF Fully counter clockwtse Centered lp M iddle of the range for the band Centered VFO OFF UP ON Jumpered plug 1nserted Procedure Adjust BIAS control for 60 ma Peak the ALC reading wilh the D...

Страница 21: ...us the transceiver as described in the previous para graph Flip the VOX switch on and close talk into the micro phone ancreasing the VOX GAIN control until the VOX relay just operates For VOX operation it is desirable to close talk the microphone to prevent background noises from tripping the TS 820 mto transmission Check that the A LC reading for voice peaks is still within the ALC range on the m...

Страница 22: ...R Switc h Approx Readings TUN ALC cr Peaked IP cr 100 ma RF or 1 3 scnle HV BOO v _ ____ _ _________ cw A LC or None or w thin A LC range IP or 200 mn RF or I 2 3 sc l u HV i 750 v USB or LSB ALC or Wi thin the ALC rangP on voir e peaks IP or 60 to 2 0 n1 nr or 0 111 7 1 HV uoo v Recommen d d monitoring position during oner tion 4 14 OPE RATION W ITH A LIN EAR AMPLIFIE R Tune and load the TS 820 a...

Страница 23: ... reduce ignition and impulse noises for clear reception Re member that during transmission the transceiver draws about 15 amps so be careful not to drain the car s battery 4 1B DX OPERATION Use of PROCESSOR In OX f ong distance operation it may be desirable to in crease the talk power by using the speech processor The speech processor used in TS 820 converts voice signals into 455 kHz SSB signals ...

Страница 24: ...witch is OFF or the DRIVE k nob ts incorrectly adjusted the ALC circuit does not operate properly causing the level of transmit lF signal to become extremely high which results is distortion in the signal being monrtored 8828 RECEPTION CAR CW FILTER POSI 1 rt0N 8 F l A I I I I l I I I I I I l I I I I I I I 8829 8830 8831 8832 kHl MARK WIDE 6829 85 MARK NARROW SPACE 8830 53 8830 7 Fig 10 RTIY Frequ...

Страница 25: ...MIIhfii II IJIIIt tllllt tiiUt lftiU IIttl tllllt IUII IIIII ti II 11111 11IU1 Mitt rn otlll lllll1o4 1 1HMMI tllll l tl l llt tllllto U IIt l t III UI f ltl tM htiMit tiiiN AUtofl P tlltM t1111 1MIIt lltt tlflilt llflft lillli 24 zl lJ LLI a I I I I I I I I I I I r 1 I s iii I i I I I I s I 1 I I I I I I I I I I I I I I I 3 I I I I I I I I I I I I I I I l LL I _ _ _______ ______ _ _ __ _ _ __J i1...

Страница 26: ...mposed of 4 diodes The DSB output from the modulator passes through buffer amplifier and the crystal filter The SSB signal thus obtained is further amplified and fed to the transmit mixer of the RF unit The transmit mixer is a double balanced type mixer with 2 MOS FETs The local oscillator is VCO type voltage control led oscillator whose output is controlled bY the PLL circuit to minimize spurious...

Страница 27: ...receiver It is composed of the microphone amplifier ring modulator crystal filter transmit receive IF amplifier and the ring detector in addition to the noise blanker circuit AGC mnplifier S meter amplifier speech processor and mo i t r 1 i i 1 a 5 i fd i ii 7X t t e 3i r f s 9 c O J n Fig 12 IF Board 26 ...

Страница 28: ... PACK BOARD X44 1140 00 Tuning coils for the individual bands and stages band select rotary switch and variable capacitor are all arranged ratio nally in one unit These parts function together with the AF Board VFO BOARD X40 1110 00 The PLL circuit is controlled by VFO signals thus the fre quency stability of TS 820 is virtually determined by the sta bility of VFO The unit is composed of 2 FETs 2 ...

Страница 29: ...he transm ner and there ceiver Stabilized osc1llator output like that of the built in 28 VFO can be obtained for each band The PD Board holds crystal oscilla tors for each band 2 mixer circuits waveform shaping c1rcuit and phase comparator It uses VFO as a Fig 16 PLL Unit I I I I I I I I I if I I oooo o o I I I I I I I ...

Страница 30: ...the PD Board The bands of both units can be selected by means of the diode sw tches Counter Ass y Unit This unit is composed of the counter mixer board that produces operating frequencies by mixing the VCO output local oscillator stgnal for the mixer with carrler signal and the counter board that counts the frequencies in d gits These units are housed in a r gid shielding case Since the frequencie...

Страница 31: ... l I I I I I I I I I r I I I I I I I r ____ _ I I r I I I I I I I t t i I t I I I I I r S I I I I I I I I I L ____ __ J Fig 18 Display Unit CAR ASSY UNIT X60 1000 OO L08109 1 7 I CAR 1 X 1 10 00 I I I I I I 5 Ot t 2SC O Uti O ZSCf IYt 0 4 tSt i 1 oa 0 1 t l hJ j D ITT 3t 0 I I 5 I t Lli t o r t I r l I t SilO lJ OJ t b w 0 1 b I k i f r I r I s O l Ol ct 0 lip F c I I f e J f lilo I L CAA 2 UNIT X...

Страница 32: ... amplifie_ r can be varied for CW and SSB operation FIX VOX BOARD X50 i350 00 This Board incorporates the fixed channel oscillator the VOX voice control circuit controls voice operated transmission the side tone osc1llator to monitor CW signals and the vol tage generator circuit for the block bias circuit 6V Fig 20 AF AVR Bo ard FIX VOX X 0 1350 001 Fig 21 FIX VOX Board 31 _ ...

Страница 33: ...OLTAGE BOARD X43 111 0 00 This voltage divider c rcuit supplies a high voltage metering signal for the HV meter reading and also a low voltage screen source used in the TUN mode of operation INDICATOR BOARD XS4 1180 0 0 Th1 s cercuit controls the light emitting diodes which indicate when the RIT circuit is on when the fixed frequency oscilla tOr is operattng or when the VFO is oscillating RELAY BO...

Страница 34: ...ct1 on some general service procedures which can be accomplished w ithout sophisticated test equipment REMOVING THE CABIN ET See Fig 23 Figure 2 t shows how to remove the TS 820 s cabinet Re move the eight top cover screws and the nine bottom cover screws and lift away the panels The speaker leads will still be attached to the chassis so be careful when removing the top cover The leads can be unpl...

Страница 35: ... used C 0 tO sse FlLrt q 0 0 0 0 IQJ 0 I J l t Jo f I 1 4 I 1 4 t I 10 t1 11 jon uonu u Pmlu oaoooooouu o l1lrVl L___j 4 A b e c Gree Gray Purple Fig 25 Installing the CW filter NOTE 1 If you are not interested in FSK operation plug in the connector either to the a position or the C position 2 To facilitage the installation of filter and setting of connector remove the 3 screws holding the IF unit...

Страница 36: ...r Ass y Unit Mount the above 3 units in place in the set using screws Fig 27 a Insert the connector and the wiring is completed Calibrate the standard frequency of the counter ass y unit by WWV refer to paragraph 6 3 For detailed method of mounting refer to the instruc tion manual of DG 1 Fig 27 a Fig 27 b Fig 2 7 c Fig 27 d 35 ...

Страница 37: ... Check to see that th e POWER switch and the standby switch of TS 820 are set to OFF and REC respectively Also check that the POWER switch of the transverter is set to OFF Then connect the power cords to AC outlet or DC power source for DC operation TV 502 nov nov t l c J c J 2mTXIN c J 2 CONn o ANT 0 0 0 CONNECTION OF VF0 820 See Fig 291 Connect VF0 820 as shown in Fig 29 This connection ma kes y...

Страница 38: ...l of the transceiver In some operating positions the tilt makes it easier to read the dial and meter Fig 31 shows how to install the feeu 0 l l c 0 00 0 0 I I i Fig 31 Attaching the Extension Feet FIXED CHANNEL CRYSTAL INSTALLATION Section 4 15 describes fixed channel operation with the TS 820 To install the accessory crystals remove the trans ceivers bottom cover and locate the FIX VOX board side...

Страница 39: ...s of the standard signal of the counter and is heard as a double beat signal Adjust the trimmer of the counter unit to obtain a zero beat By so doing the frequency indicated on the di gital display is accurately calibrated After the calibration disconnect the counter calibration cable ADJUSTMENT OF AN T AN D M IX COILS COIL PACK U NIT The ANT coif and M IX coil are included in the coil pack unit 3...

Страница 40: ...ity The pointer of the RF meter will deflect if the carrier is unoalanced In this case be sure to turn the M IC knob to the minimum position To balance the carrier adjust the trim mer TCl and the semi fixed resistor VR2 alternately until the meter pointer in dicates a minimum position Change the mode to USB and if the pointer deflects then readjust so that the pointer deflects the same amount for ...

Страница 41: ...CEIVER SECTION SYMPTOMS CAUSE REMEDY Accessory CW filter is installed but selec t Connection of If board not moved to CW I See Section 6 2 tivily and intelligibility are poor 2 Bad CW filter 2 RP place the CW Iiiier An an tenna is connected btll no signals 1 Inoperative VF O o r FC oscillator 1 Insert the shunt plug In tO back ere hearcJ 2 Microphone PTT swilch or stand by panel switch is in the t...

Страница 42: ...res adjustment cw Low drove on one or more bands but not 1 Transmitter section requires alignment on all bands Broad ORIVE tuning on one or more bands No drive or intermittent drive on one or 1 PLL unit requires adjustment more bands Low drive and broad DRIVE tuning on all 1 Bad driver tube bands Signal reports o f carrier 1 Carrie r requires balancing Signal reports of d istortion 1 Too much micr...

Страница 43: ... OF THE TS 820 I t 1 1 1 1 ttfllt lllllt Mt ti U Hit f lb llftUtotM _Itl ltll l t o IUt etM Inlft ll tlll ll t tll ftttofMn ltlf llltooiNM D I t JU ofiNG U IU ti UD ft ll t t l lll lll1 11f l utl _ lft iiM 42 VOX vn UNIT X5I 1190 001 44 1140 00 PLL 1 SS Y UNIT X60 10 10 00l IF UNIT X48 11 50 00 X43 I 190 001 VF UNIT x 10 11 10 001 RECTIFIER UNif rliii NSFOI MER ...

Страница 44: ... _ i I f i 9 I I 1 j y l ...

Страница 45: ... J f J KENWOOD A pro duc l o f TRIO KEN WOOD CORPORATION 6 17 3 chome Aobadai Meguro ku Tokyo 153 Japan 6433 PAIN TED IN JAPAN 850 1568 00 G ...

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