Kenwood TK-768 Service Manual Download Page 8

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Summary of Contents for TK-768

Page 1: ...VICE MANUAL KENWOOD 1996 10 PRINTED INJAPAN Bs1 8929 oo tt sgr TK 768 H Microohone ffg1 0552 05 Cabinet 11 1pper 401 2112 03 Panelassy A62 0449 13 Front glass 810 1 230 04 Keytop Rubber K29 5081 02 TK 768 H D type ...

Page 2: ... fgnitionSenseCable KCT 18 Option 29 4 Horn LightUnit KAP 1 Option 34 6 Fitting the Control PanelUpsideDown 36 CIRCUIT DESCRIPTION 1 CircuitConfigurationby Frequency 37 DESCRIPTTON OF COMPONENTS 50 PCBOARDVIEWS CIRCUIT DIAGRAMS TX RXUNIT TX RX Xs7 4950 XXl lAl2l 77 TX RXUNIT CONTROL X57 4950 XXI lBl2l 87 0 e C s G ...

Page 3: ...for personnel safety DONOTtransmit if someone iswithintwofeet 0 6 meter oftheantenna DONOTtransmit untilallRFconnectors areverified secure andanyopenconnectors areproperly termi nated SHUT OFFandDONOToperate thisequipment nearelectrical blasting capsor in an explosive at mosphere Allequipment should be properly grounded before power up forsafeoperation o Thisequipment should be serviced by a quali...

Page 4: ... interface KpG 4 andprogramming software KPG 29D arerequired for programming Thefrequency andsignaling dataareprogrammed for thetransceiver Transceiver programming Selfprograming or softwareprograming Are you usingthe YES KAP 1 Seepage34 Installation theTX RXunit when usedKAP 1 I Horn Li ght unit offi j YES See 35 A r e r r n r r r r a i h d f h a KE r 5 speaker Option _l Areyou usingthe i I N O E...

Page 5: ...omer usethismode CONVENTIONAL MODE Thismode isfor useas a trans ceiver TRUNING SmarTrunk MODE Thismodeusedwhen a trunking boardhasbeeninstalled DEALER MODE This modeis usedbv the dealer for makingsettingsÍor the modes PANEL TESTMODE Dealer uses to check thefunda mental characteristics PANEL TUNING MODE Dealer usesto tunethe radio PCMODE Thismodeis communication the radioto PC lBMcompatible It requ...

Page 6: ...side TX FLAGlisht 100 550MHz 5 6 25kH2 step 450 00625 TXOT OFF OFF ICHAIOTONiOFF select lAl1step standard select SCN OTdown tD AlOTup At 1step dotlight Rignt side TXFLAG light 67 0 250 3H2 0 1Hzstep standard _ t_o u_ 39_250 3_ 1 Scan DEL ADD DEL _1_dEL ISCNI DEUADD select lD AlDEL ADD select ADD _1_Add_ 2 DTMFsignaling ON _2_On_ ISCNION OFFselect D A ON OFFselect OFF _2_OFF_ 3 PTTID ON 3 On ISCNIO...

Page 7: ...nction Name Setting IDeÍaultsare uncerlinedl Display No F version VHFF1 50_ _1 VHFF2 50_ _2 1 tMON NoÍunction OFF Monitor Talkaround z Hornalert J AUX Scrambler 4 SCAN _5_ DEUADD 6_ Homechannel 7 Reverse Selectable OT _9_ IA1 Nofunction _2 OFF_ Monitor 2_1_ Talkaround 2 2 Hornalert _z_ó_ AUX Scrambler SCAN DEL ADD Homechannel _2_7_ Reverse a a Selectable OT _2_9_ 3 ISCN Nofunction Monitor a 1 Talk...

Page 8: ...B On OFF a ntrF Note Setthe channels beforsettingthe functions WhenbothQTandDTMFsignaling areused thefirstdigitdelaytimeshouldbe setto 100msor longer lf settingoÍ the DTMFsignaling is changed the lD soÍ the allchannels will be initialized to 000 REALIGNMENT unction No Function Name Setting IDefaultsare uncerlined Display 29 D keyassignment D code 29_d_ 1 16s 1s 29_1_ 29 16_ 30 DTMFsignaling CodeSO...

Page 9: ...u ï À 16 ffir 6 e t r ë Ë s s F è Ë lffi e d 1ffiË q ffi 16 1 1 s T lï 1 ll l ij i v 4 PanelTest Mode When the test mode is entered all LCDsegments light thebeeper sounds foronesecond andVERSION SELECT modeis entered Usethe followingkeysto selecta version D Akey UP SCNkey DOWN Table3 liststhe versions The versionis selected when the CHANNELDOWNkeyis pressed Version Display VHFF1 150 1 VHF F2 150 2...

Page 10: ...XF MHz 161 10000 161 00000 146 1 0000 146 00000 1 48 1 0000 1 48 00000 136 1 0000 136 00000 173 90000 174 00000 155 90000 156 00000 4 155 1 0000 r55 1 0000 137 1 0000 137 1 0000 160 1 0000 160 1 0000 142 10000 142 1 0000 6 165 1 0000 165 1 0000 147 1 0000 147 1 0000 7 150 03000 150 00000 150 03000 150 00000 8 156 03000 156 00000 153 03000 153 00000 Decode Encode Remarks None None None 100H2 square...

Page 11: ...effective The channeland signalingcan be selectedin the Tuning mode channelselectstate sameway as in the test mode Thetuningitemsare listedin Tables7 and8 and keyoperations for tuningarelistedinTable6 1t Channel Signaling 1t Tuning item Tuning data Tuningmodechannel select Tuning mode tuning Key Function Remarks Key Function Remarks VOLUP VOLup VOLUP VOLup VOLDOWN VOLdown VOL DOWN VOL down CHUP To...

Page 12: ...n 0 255 Three point adjustment Á l Max deviation Low 0 255 LOW 4c Maxdeviation Center o 255 Center 4H Max deviation High 0 255 High OTdeviation 0 255 o Sensitivity 0 255 Three point adjustment O L Sensitivity Low 0 255 Low 6C Sensitivity Center 0 255 Center 6H Sensitivity High 0 255 Hish 7 Squelch o 42 Table7 Paneltuning statetransition Three point adjustment 4L MAX DEVLOW Datasave nextitem CHDOWN...

Page 13: ...printed 6 Transceiver Programming 6 1 Introduction TheTK 768 H transceiver is programmed using an IBMPCor compatible machine a programming inter face KPG 4 anda programming disk KPG 29D Fig ure1 showsthesetupforanIBMPC 6 iËËtrffiË 6 1 ffiid rK 768 H EID ffi nu PC f i tHtrt 4H ëil ffiË trÈ 9Ë KPG 4 ÍfiffiËfim KPc 2eD frfrffiffirf fttrÊVffiÍtFáry áHHK1 is i ïHflfiiÉ Íàtrl 6 2 KPG 4 ÊtiË Hf frr i HtJ...

Page 14: ...ning iscomplete theà markonthemas tersetdisappears and C changes to End The slaveset is automatically resetandentersuser mode lf cloning fails the master setshows ErrOr Re peatsteps 4 and5 lf youwishto cloneseveral sets switcheachof themonandrePeat 4 and5 Note Donotconnect anusermoderadio to theother usermooeone TK 768 H 6 4 ffiffiffifËË t 4rtrË ïEffi Ëi ft Ë Ê ryffi5 iÉ íà t Êt EEPROM EÉffi iEE t...

Page 15: ...ory connection cablefor connecting external equipment Theconnector has15 pinsandthe necessary signal linesareselected for use 1 1 Installingthe KCT 19 in the transceiver 1 Remove the upperandlowerhalves of thetrans ceiver case andlifttheDCcordbushing o from thechassis 2 Remove thepad e t f isÊÈrËEil í rcr re iË 6 Kcr leË EïË tl FiAá Ét ËÊÊ rrË ÍLÉ ffiRá tsRÊffi4 UiËHtf ffi J lÈÊ tÈ 1 1 EiE íËtJtÊ ...

Page 16: ...ure 2 Ol 6 Connect theKCT 19 totheexternal accessory byin serting thecrimpterminal G intothesquare plug G botnofwhicharesupplied withtheKCT 19 O Square plug E09 1 571 05 3 4 5 6 TK76B H BKCT 19 Ê 4fi O ïÉ í J ÈE O Ht_Ètfrfr tftÈ ffiEt B O ÊJÈF É trI4Ëtft É ffi tÈ geê Ë tr ÈB lrKl2 o trm BKcr lei t Jrx RX Í N2 iEiÍ1Effiiaffi ffi ÈMffiX O mááFÍrKCr le É t Kcr leis tljfl ÈFpt í o àhs eFá N t G crimo ...

Page 17: ...input Maxdev 4 1kHz Frequency response 1 3dB 1kHz OdB at DC 9 6kHz A 10 ó l HOR Hornalertcontrolsignaloutput L levelduringhorndrive max Signaloutputfor hornrelaydrive opencollector sinkcurrent100m4 H R 1 u ó SO Not used A l2 SP Audiooutout 4W at 4f lessthan 5 distortion HR2 A 13 tr l AM Audiomutesignal input Mute H Unmute OPEN t A 14 E 2 MM MICmutesignal input Mute H Unmute OPEN e A t c FSW Footsw...

Page 18: ...É Kcr leis o 2 lgnitionSenseCable KCT I8 Option TheKCT 18 isanoptional cable forenabling theigni tionfunction Theignition function letsyouturnthe powerto the transceiver on andoff with the car ignition key lf youusetheHornAlertfunction youcanturnthe function offwhiledriving withtheignition key 2 1 Gonnecting the KCT I8to the transceiver 1 Install theKCT 19 inthetransceiver See theKCT 19section 2 I...

Page 19: ...rmË rx nx iÉ N2 ie nsf flR6 Ê BbrtÊffi 08ft i ír lr Ooeration when KCT I8is connected R5 R6 Enable Enable Power on ofÍ and Horn AleÉ on off Disable Enable Horn AleÉ on off Enable Disable Disable Disable TableI R5andR6setuPchart TheHornAlertfunction canbeturned onandoff onlyif thefunction hasbeen assigned totheAUXkeY EEtKcr l8EfÉ fF R5 R6 Fffi ËtFffi frffifr ewq frfr x A TFffi frTFffi Nq Êfr fr EtF...

Page 20: ...er maybesounded or lightsmay beflashed inemergency to warnrobbers bymodifying theoptionKAP Ito the Horn Light driverelay output circuit andinstalling it inthetransceiver Emergency modesystemchart r1 TheemeÍgency channel isthehighest channel inwhichthere ceivefrequencyis stored Thechannelindicator doesnot change buta dot lightsto indicate thatthetransceiver hasen teredtheemergency mode 2 Thetransce...

Page 21: ...e turnedonandoff withthe powerswitch Thepower switchturnstheLCDbacklight anddisplay onandoff Thepoweris switched on andoff by IGNITION SENSE I Controlsectionr r 1405 VLCD backlight DTC144EK l t TX RXsection 3 KCT 19 gt i KCT 18 Outside 3 2 iEËtrtÉ Ë Ë iÊHf iÉi Kcr le fr Kcr 18 t ffiwfx EffiTrE Ëfl rLr Ê ift áË k tt Ëfr gÍaffiff Èffi rx RX É Í B 2 Ëft ÈFr R517 h nqZ r252 05 0 Íq R401 Bln ngz r252 0...

Page 22: ...ndR6 lnstall it in the transceiver Sendthe outputwith the KcT 19and KCT 18 TK 768 H cN4 TK 768 H cN201 t TK 76BIH 3 3 KAP 1 iË 6 5áË mjry N itgLdr Ét ffir ilÊÍg ÍgÈffi Ql h orott rr R3 R4 h R92 0670 05 0Eftiq R5 R6 jÉln R92 0670 05 0Eftffi h Ql R3 f fi R4 Hln R5Í R6 HËÊ iËËilr ffiKcr le Í KCr 18 ÊiËffis È Emergencymode is operating KCT 19 KCT 18 12 pin 19 KCT 18 Ë8ffi E N Ë 8il E E 5 n E EE l c6I ...

Page 23: ...cr le iËfil Ë 9JKAP lff cNlfil cN2 ffiÊE íÊí 4r rylgÍE Ët zaWAr ffiN ftÍrtÊafr ÍfF t Ê Ë 1 ff rÉËtnffJ L ÈFïxlLffi 2 ïEmffi ÊK tp r trËÊ Ê Éffi o ïÉ s JiÉ íË trPíiE 3 ffim f Ra Ítsfirês ÍffiffiÈ É i l 4 L ffi t É ffin O 4ËïËffiUt INSTATLATION I g t 2 ModiÍyingthe transceiver HornAlert Thesignal frompin62of 1C409 CPU ontheTX RX unitturns013andQ14onandoffanddrives KAP 1 HA relayK2to drivethe hornwit...

Page 24: ...di ameter speaker jack Connection procedure 1 Connect theKES 3 tothe3 Smm diameter soeaker jackontherearofthetransceiver D 1 2 1 S S 1 9 3 TK 768 H 4 3 H ÍË lrRï ffis HRz LthF ffiSËrEiJ Kcr lefff fi3 Jfl Èp Í Kcr lecÊJkisr g J rx RX tÊí cN5 T V O HR1 E Ë 6 Earth 1 0 H R I 12 LIO HR2 5 fl ËtJftËË 5 1 KES 3 ËM KES 3Ë ffiT 3 5mm H tíïhF XffitLW tF FtA f ÁÈo isf fm 1 l KES 3 iS 4 JiÉ íÈt tËE l 5mm H 4...

Page 25: ...panelfrom themain unit O 2 Remove theflatcable O anO change thedirection of bending theflatcable s 3 Turnthe panelover inserttheflatcableinto the mainunit Attach thepanel to themain unit andreinstall thecases INSTALLATION I g q m 6 HftllEiffiFJË gd TK 768 rlËfttlffi q UIESITiSíï EB EIIILEI uwfrÈFljhF ÈrÊ Êtt Fr ffitrTË FlJ í6Ê ït 1 ry TiÉ ËurmrÊruTÊ ÁÈtr o IBTF o 2 F TH Hffi o ÈH È 4ËÊtëffiÈrtu o ...

Page 26: ...ignal fromtheantenna terminal passes through theantenna switch D20 andD24are off andthebandpass filter L208 Thesignal isampli fiedby RFamplifier 0208 andpasses through the bandpass filter L205 206 2071again Theresulting signalgoes to thefirstmixer 0 2071 whereit ismixed withthefirstlocal oscillator signal output fromthefre quency synthesizer to produce thefirstlF45 050MH2 2 Ë Ê 2 1 sfffi fr r rrÊf...

Page 27: ...signal 0420converts thenoise pulse levelbyhysteresis and applies it to theCPU 1C409 TheCPUcounts thepulses integrates them and turns thesquelch onandoffaccording tothecalculated value VOL FlS 2 Receivingsystem 2 2 ffi 78 ffi ffiÈ iÉi 4tesffi í ffitÉ G1 lffilÊtr Ê íÈ hffi ffiffi1 Ë Qt6 ilt f trriËÀ ffi ffi n ffi W ttffi lL ft ffi Rfr Bffi I c 7 ffiÊH tflffi H ffi H tnlRW fE sffi ffiiE Tc7 ffii Éoff...

Page 28: ...t in1C402 1121 Thesignal isapplied tothe1C404 summing amplifier andmixedwith OTfromthe CPU 1C409 lt then passes through thesplatter filter thefourthlow pass filter consisting of 1C406 112 212 whichremoves unwanted harmonics Theoutputfromthelow pass filterisinputto theD A converter lC6 to adjust themodulation From Microphone Fig 3 Microphone ampliÍication 3 2 tfrË ËË É trfH4 PLL ÉtË É HffiÈtJtá Q20...

Page 29: ...control voltage for A5lQ2 VCO Thisvoltage is applied to D3andD4 l X orD1andD2 RX intheVCO unitto keeptheVCOfrequency constant Theother output from03 isamplified bytheRFampliÍier O1B andoutputto the transmit or receive unitviathe RF switch D17 tc202 PLLtc CIRGUIT DESGRIPTION Éffiiff HN 4 ffi ÊFlËF zc 4 1 Is Effi ÊËË v c o fi1ffis PLL ÉtritH4 PLL F È ffi lrà fi HÊ H flÉ íÈë ÈEïàffiffi vco ÍÊt Q5 Êff...

Page 30: ...circuits lt controls theTX RX unit TheCPU hasthe followingmainfunctions 1 Switchingbetweentransmission and reception according to the PTTsignalinput 2 Reading channel frequency and programdata from the memorycircuit 3 Sending frequencydatato the PLL 4 Turningthe squelchon andoff according to the pulsesignal inputfromthe squelch circuit 5 Controlling the audiomutecircuitaccording to in put decodeda...

Page 31: ...l anddecodes thesig I t o t DTMF DTMFdecode 1C410 onthecontrol board 6 4 PLLdataoutput PLLdataisoutput fromDATA pin 60 ENABLE pin 73 andCLOCK pin bB of theCpU tC2O9 Thesig nals areinput tothePLLlC 1C202 when thechannel is changed orwhentransmission ischanged to reception andviceversa GIRCU ITDESGRIPTI ON Ê ffii H HË 6 1 FffiÊEËffi IC2O1 Ë_ 8 Í EEPROM EM FffiiEIilfUF áffiffffi Í8íiËt tE rc10 Ëffi f...

Page 32: ... tI bfr hÈ Ê ÍÈ FfQ24 iÉ ÉllLXlTJ4l l 8 Í4Ê8 iÉË É ic10 ffi fi ftÊ È Q13 É Q14 fïË ÉTË0 V Ef rHt É EmqAË F JÊEáitN qljIC10 ffiS ÊÊ È E Q13 rÉ iÉiiR6lÈ Ql4 Ë l Ele Ê tfi Ql4 rÉ Q14 Ê Ëifttl tËJt4Ë 100mA IFR H KAp l it í q g trÉiffitrIit 24 Fig 9 Horncontrolcircuit TK 768 H 6 6 Powersupplycircuit D4protects lC1against overvoltage Each timea pulse comes fromthePSW terminal thelC1output is reversed Th...

Page 33: ...3 b3 Si l 3 S6 O F N o e t s o O r N O Ë F N O D r O ó j Ë F F r F N N N N N N Ël 461 I 4 5 1 ool 431 42 40 J Y 38 5 T 35 J 32 1 30 29 28 o 77 78 7q 80 81 82 q 84 qE óo 8 I 88 89 90 91 J Z 93 L 1 9 4 I t 1 9 6 I 1 9 7 I le8 1 9 9 Iroo PinNo PóÉ NAME r o Function LD PLLlockdetect 1 Unlock H Lock BUSY Norused BIAS OTcentervoltageinput 4 TI OTsignal input 5 8 q FSW I Footswitch 1 On H OfÍ 1 0 DTMF o ...

Page 34: ...LDN VOLdown 1 On H OÍÍ 43 SCN SCN 1 On H OfÍ 44 AUX A 1 O n H O f f 45 MON M O N 1 O n H O f Í 46 D A D 4 1 On H OfÍ À a SELF Dealer Test modeenter 1 OK H NG 48 KM2O DTMFmicrophone PTT 1 OfÍ H On 49 U Smartrunk powersupply L OÍf H On 50 51 MM o Microphone mute L Unmute H Mute 52 Audiocontrol L Mute H Unmute 53 ó l I Scrambler binarv data1 B2 I Scrambler binary data2 SCR o Scrambler L Off H On cb S...

Page 35: ...5PRESCALER P NS Vpo V TO PHASE FREOUENCY DETECTORS A ANDB PlN14 Voo V TO BALANCE OFC RCUIT P NT GND COMMON GROUNDI REFout LD R av VPD PDout GND Rx TESTl r Ttn Blockdiagram oin j ENB finll 1 0 Ttn SUPPLY CONNECTIONS 1 0 2 0 2 1 9 3 1 8 4 1 7 5 1 6 6 1 5 7 1 4 I 1 3 9 1 2 1 0 1 1 13 STAGE RCOUNTER DETECTOR BAND Bit GrabberÏM A REGISTER 24 B TS 0 l DATAOUT OUTPUT A l9r rEsrz 0 e j 48 L resrr ...

Page 36: ...tSwitch RH5VL42C TX RXUnit lG408l Terminalconnectiondiagram Blockr 49 t a SEMICON DUCTOR DATA Sffiffi fE Power Module M67741H 32 M67741L 32 I M6778I H 3 2I M67781L 32 tCSo I l M67741H 32 M DM M67741L 32 M4DM2 M67781H 32 HDM M67781L 32zHDM2 Á t Y Li Terminalconnection diagram T T TT 1 2 3 OUTVDDGND o Blockdiagram ...

Page 37: ...E Activefilter Amplif ier o1 DTAI14EU DCswitch On when powerswitchon a2 DTCI14EU DCswitch On when 24Vconnected then Q3 turn oÍÍ UJ DTC1 14EU DCswitch Onwhen powerswitchon o4 2541641 S T DCswitch On when powerswitchon o5 DTA1 14YK DCswitch Onwhen powerswitchoff thenD22turnon L lo 2581 13 2 O R DCswitch 8T switch RX 0V TX 8V o8 2SA1362 Y DCswitch BRswitch RX 8V TX 0V 0 1 0 DTC1 14EU DCswitch On when...

Page 38: ...SS355 or MA110 DCswitch On when power switch ofÍ D24 Mt809 TX RXswitch On whenTX D204 DAN235K Filter switch PLLBPF OnwhenTX D205 DAN202K DCswitch D206 207 DA204K Temoerature comoensation D208 210 SV269 BPFtuning Vari cap tuning D211 SV21 4 BPFtuning Vari cap tuning D212 SS355 orMA1 10 DCswitch On when PLLunlocked D213 SV21 4 BPFtuning Vari cap tuning D214 DA204K RFdetector Final protection 45W mod...

Page 39: ... 000 J 5 6 7 Dimension Ghipresistor 1 Type ceramic electrolytic etc 2 Shape round square ect 3 Dimension 4 Temp coefficient lst Word L L P n T Color Black Red OrangeYellow Green Blue Violet ppm C 80 150 220 330 470 750 2ndWord u H J K L ppm C i30 ïou 120 r250 500 Example CC4STH 470 60PPm C Code c v G J K M L P No code kl 0 25r0 5 t2 t 5 r i0 20 40 20 80 100 _n Morethan 1OpF 10 50 Lessthan 4 7vF 10...

Page 40: ...PART SP I FoBMED ILATE DC conDl I PACKING JACK I I POLYSTYRENE FOAMED FIXTURE I POLYSTYRENE FOAIVED BOARD I ACSY ACSY KEY TOP BUBBEB I scBEW cABtNET scBEWilC I SCREW PCB ANT scnEW sHrELD SCREWSET ACSY I MTcRoPHoNE Acsy r IV ICBOPHONE DIIVF ACSY IDN4 D V 2 MTcRoPHoNE DTMFI Acsy IHout Hovz SPÊAKER I M DM M2 Dtvl2 Reí No Addres Ieu Etlt PaÍtsNo DescÍiption uestt nalion 1c501 tc501 28 28 f M67t81H 32 ...

Page 41: ... I í DN M2 DM2 HDM2 HOÍM M DÍ iI M2 DMz HDM2 rM2 Dt 2 HDIM2 IV DM HDM HDIV HDIV2 56 TK 7681H PARTS I IST ËtJí _H t t t c225 c225 c226 c221 c228 c228 c228 c229 c230 c230 c230 uzJ I c232 LIJI c232 VIJJ c234 c234 F a n c235 c201 202 c203 204 c203 204 c203 204 c205 206 c212 c213 c214 211 c218 c219 c220 c221 c222 223 c224 Lttc c236 237 c239 c240 c241 243 c244 246 c252 c253 254 c255 c256 c257 c247 c248 ...

Page 42: ...HIP TAN1OUF 1OWV CHIP C O IOUF K CHIP C O IOUF K IVI DI I HDM M2 DÍVI2 HOM2 HDM HDIV2 HDM HDM2 M2 DM2 HDM2 IV2 DIV2 HDM2 TK 768 H l à PARTS IIST EËIJ HT TK 768 M M2 DM DM2 TK 768H DM DM2 TX RXUN TÍX57 4950 XXI ReÍ No Address Iett raft PartsNo Description Desti nation c457 c458 c459 c460 c461 Ic462 Ic463 Ic464 466 Ic467 IC468 I I Ic46s Ic47o Ic471 1c472 47s Ic480 I I Ic481 482 Ic486 Ic487 c488 489 ...

Page 43: ...M HDM2 M2 DMz R1 08 R1 08 R108 Rl12 8112 il12 R1 13 n I c 0 R1 17 Rlt8 Rl19 RI24 R125 Ri26 R137 R139 R1 40 1 41 R140 141 R1 40 1 41 Rl42 143 F142 143 R142 143 R1 44 R141 R20t 210 R211 8212 R21 3 8214 215 R21 8 21 S R222 R223 8225 n226 R227 R228 R229 R230 8231 232 R234 ntJc R236 237 RK73GB1J473J 892 0670 05 RK73GB1 J1 2J BK73GB1 J1OzJ RK73GB1 J681 J RK73GB1 J1O2J RK73FB2A2R2J RK73GB1 J472J RK73FB2A...

Page 44: ...W 1 16W 1 16W 1 16W 1 16W CHIP B OOHI 4 CHIPB 15K J I 16W CHIPR 18K J I 16W CHIPR 12K J 1i16W CHIP R OOHIV M2 DM2 HDI 42 IV DM HDM M DIV HDIV IV DM HDM IV2 DM2 HDIV2 r 42 DM2 HDIV2 BeÍ No AddrcsIera nnl PaÍtsNo Description Desti nation liiii IF433 434 lï lifiï lï 8444 8445 tiiií IR44s In450 8451 IR452 IR s qs I I 8455 IR456 I84s7 45s R459 R460 R461 R462 463 R464 R465 R466 R467 H468 R469 471 R472 R...

Page 45: ...esIen t ÍtÍ PartsNo DesDription Desti nation 1c410 tc411 1c412 01 02 3 04 05 06 08 010 1 1 013 014 015 u l o 018 020 u2 422 422 023 4201 0208 0209 021 0 021 i 4212 0401 0403 0405 0406 0409 041 1 0419 4420 A1 A1 A1 Q24 025 026 0205 0206 28 28 28 rx f t 1C73881M IAT2408N10St2 5 INJN 4558E IDTA1 14EU IDTCr 14EU I 2S41641 S l IDTA1 14YK 25B1 132 0 8 2S41362 Y Iorcr rqru I I IDTC1 14EK IDTDl 14EK 25C41...

Page 46: ...DM HDI í M2 DMz HDI 42 M2 DM2 HDM2 M DIV HDM CHIP C CHIP C CHIP C CHIP C CHIP C CHIP C CHIP C CHIP C CHIP C CHIP C CHIP C CHIP C CHIP C CHIP C CHIP C 1000PF OPF l OPF 2 OPF 1000PF K c c c K 0 010uF K 27PT J 71DC I 56PF J 6 OPF D 1 5PF C 1 5PF C 0 01OuF K lOOOPFK 0 01ouF K CHIP C 2 OPF CHIP C 15PF cHrP c 1000PF c J K PIN CONNECTOR FOR INSIDE 6P SHIELDING CASE cH0KE C0tL 10uH c0tL c0rL c0tL cHOKE C0...

Page 47: ... ËF ffiE o a Rg N x J o r Í o o o t t r s t óóóó o o o o l o o o o N í r r F r Y Y 0 o z zz z Y o ó A T óÀ ó x o x x o x o o c i o ni ni N X N a À w 6 0 Parts with the exploded numbers larger than 700 are not supplied t t t ...

Page 48: ...M2 DM DM2 F51 0017 05 15A HDM HDM2 37 Bag 36 Carton board H13 0975 1 4 H25 01 03 04 47 Screw set N99 0395 05 I 42 Holder J19 1584 05 MICMicrophone T91 0552 05 ff91 0553 05 M M2 DM DM2 HDM HDM2 34 Polystyrene foamedfixture H10 2789 02 Sticker Hyatt 10 UPCcode label 844 2163 041 43 Bracket 39 ltem carton case H52 0756 02 Parts with the exploded numbers larger than 700 are not supplied 63 ...

Page 49: ...scope DCthrough30MHz 6 HighSensitivrty FrequencV Counter Frequency Range Frequency Stability 1OHz to 200MHz 0 2ppmor less 7 Ammeter 154 B AFVoltMeter AFVryM Frequency Range 50Hz to 10kHz VoltageFange 3nV to 3V 9 AudioGenerator AG Frequency Range Output 50Hzto 5kHzor more 0 t o 1 V 10 Distortion Meter Capability InputLevel 3olo or lessat l kHz 50mVto 1OVrms 11 Voltmeter Measuring Range Inputlmpedan...

Page 50: ...1R É íHË EÍl E il t4ffitVái fr iAËfï ÍÈË ft 32 ËÉ qlit ti ft Ë íÈt l 4 tvl Frutr Ë iEïËË Ltf fr FFt o iËËtffitr ffi iÉÉ É 6fi tÉ H ft fi È_ Hffi r sÉË fi fletÈ t RtErI ÉÉ tr f ë ffitrJ IftÈ ADJUSTMENT dflH Display oà Visible whiletransmitting X Visiible whensignals arepresent onthe currentlv selected chan net o Appearswhen the Monitorfunctionis activated ceu Blinks whenthecorrect DTMFcodefor CodeS...

Page 51: ... ADJUSTMENT dflH a Datasave nextitem CHDOWNkey Nextitem previous item MONkey A key Table 2 fi Fffi f JT 4 CHDOWN 9rlT rfi4iBEtÊÍ fi MON fr A tz i AiilIFH fiH E i a u EE Ë xËH Ë ffi4 0 255 tffi4r4 0 255 3 f iE 2L ffffit É 0 255 í8ffi f 2C sftrtJrF 0 255 F È f 2H tr4 È 0 255 Ëffi R Ë fr 0 255 4 ËtiEfilffi Ë 0 255 3 f i 49 4L Ëti aft Jfifr É 0 255 lKffi á 4C eti Afi Jfr Ê 0 25s F È fi 4H ËrïaË tr Ê H...

Page 52: ... Receiver section Theindicated SSGoutputlevelarefor maximum ou10u1 Whenever thereis no modulation designation standard modulation MOD 1kHz DEV 3kHz is indicated Transmittersection Powermeter Deviation meter Frequency counrer 3 Paneltest modesettinl The D Aswitch is heldon with turn on the set The D Aswitch holdingabout1 secondaÍterturn on the set But if thismodeisdisabled by FPUthenbeginthe USERMO...

Page 53: ...ondition Measurement Adjustment Specifications Remarks Test equipmentUnit Terminal Unit Parts Method 1 Frequency 1 Set Panel tuningmode Tuningitem I C H 1 S i g 1 PTT ON Powermeter f counter Rear panel ANT Front panel SCN or D A key Up downfor tuningdata frxtcerurenr 100Hz 2 Maximum power check 1 Setpaneltuningmode Tuningitem C H 1 S i g 1 PTT ON Powermeter Ammeter Rear panel ANT Check M M2 DM DM2...

Page 54: ... ON 6 Mt C sensitivity 1 Set Panel test mode C H 1 S i g 1 AG l kHzl5mV Deviation meterfilter LPF 1SkHz HPF OFF De emphasis OFF PTT ON Check Íz z ó YKnz Oscilloscope waveform is notabnormal lf you needto adjust you canadjustby VR401 onthe TX RX unit B 2 7 OT deviation 1 Set Panel tuningmode Tuningitem 5 C H 1 S i g 5 Deviatíon meterfilter LPF 3kHz HPF 50Hz PTT ON Front panel scN or D A Key Up down...

Page 55: ...Tsignalinput Earth cN2 TO KCT 1 I 1 2 J AM M M FSW I I I Audiomutesignal input Mute H Unmute Open MICmutesignal input Mute H Unmute Open Footswitchsignal rnput foremergencymode L Emergency modeentry cN4 To KCT 1 9 or KAP 1 3 HOR E SB o n Hornalertcontrol signal output Signal outputfor hornrelaydrive opencollector L levelduringhorn drive max sinkcurrent 100mA Earth PoweroutputaÍterpowerswitch 13 6V...

Page 56: ...PG BOABD VIEWS FpE Éfif fEtr TK 76BIH VCO X58 4360 XXI Componentsideview 10 M DM HDM VCO X58 60 XXI Foilsideview 10 M DM HDM 11 M2 DM2 HDM2 t f ii Iril Component side lEÍllFoilside q ...

Page 57: ...i it r ile l J l tïri li 1 m t l Pl ty i l lliru ii rr ii 6 LI i r ifoio f C 1 t t ai Mrri i 7 9 t t t _Tà t l c 4 l I I ll l 1 Í t ls F a f N 9 r I I er FI r ó tr F F 8l lÍ1 HE t i l lï T l l n t êor I 1 0 l t l o ll li if li Iirt 9 o l N b 1t i _ i I l I l l i2 l ii j rF g É i iili r t i i Ë Q 2 cN2 3 g 1 1 I I Ë t t t t hil ï l i 1 EFn oeo I lRl i ri n ii ir r d J ffi lellstlJ bll ll l ll lLl l...

Page 58: ... rc4 C E 020 10F D207 6J lc6 ós o 22 4E D208 100 t c11 7A 0209 90 D209 90 tc201 6l D2 5D D210 80 tc202 9M D6 5K D211 7 n 1c501 5J D24 5 l D212 8L uo 5G D204 100 D231 t u 010 6F D205 10G 0 Component side t 0 Pattern 1 Pattern 2 Pattern 3 Pattern 4 a ...

Page 59: ...4 4P tc2 1 1 L 02 7P 015 7K 0206 5J D4 90 o17 9F tc3 7K 03 60 016 1 1 H 0 207 10E D5 90 D20 4D tc7 101 04 7P o18 9E 0208 8C D9 1 1 P D22 80 tc8 8L 05 8P o23 4M 0210 6B D10 1 1 P D206 ou lc10 8M 08 10G o24 1 1 R o211 6A D l 1 1 1 0 D214 5A tc13 5M 011 10H 025 Ê l 4212 9M D12 1 1 0 D215 5A lc14 7H 013 10R 026 5L D1 7Q D13 1 1 0 Pattern1 Pattern2 Pattern3 Paftern 4 80 ...

Page 60: ... e 1 TX RXUNIT X57 4950 XX A 2 Foil side view 21 M DM 22 M2 DM2 23 HDM 24 HDMZ ...

Page 61: ...ES 23 HDM NO YES YES YES YES NO NO NO 24 HDM2 YES YES YES YES YES YES YES NO R M R276 D2 D14 D214 D215 o210 o211 21 M DM YES NO NO NO YES NO NO NO 22 M2 DM2I NO YES NO NO YES NO NO NO 23 HDM YES NO YES YES NO YES YES YES 4IHDM2I NO YES YFS YES NO YFS YES YES Ref No Address Ref No Address Raf lc1 8C tc11 7A o3 tc2 1 1 H tc13 5G Q4 tc3 7l lc14 7L o5 tc4 5E tc201 6l o6 tc6 8G tc202 9M Q8 tc7 10K tc50...

Page 62: ...0 1 1 D D24 F A D211 70 8D u l o 1 1 L 0205 5L D1 7C D 1 1 1 1 E D204 100 D212 8L JU 018 90 0206 5J o2 5D D12 1 1 C D205 10G D213 70 10M 020 10F 1 1 0 D3 8B D13 1 1 Í D206 6M D214 EQ 6F o22 4Ê 0208 80 D4 9E D14 4D D207 6J D215 55 101 023 4G 0209 90 D5 9E D17 10N D208 100 108 024 1 1 8 0210 5R D6 5K D20 4P D209 90 Pattern Pattern Pattern Pattern 1 2 3 4 Component side Foilside I ...

Page 63: ...ÏffiI r Ï l EàEÉËeË IsËÈ3eÊr n57 1S 2 4i l6 CR D2l2 Ë l lsarcH I tiffil If LTÉR I srJu Y D RX UNÍT CoNTROL SEgÍloN x37 B 2 r ï a 6 7 I l0 l 1 t2 1 J t4 1 5 ll È oa l t6 t lsffil I 1 r Q 1 orc t tf m s 17 t9 m 21 22 2J 21 É m D3 t RETGEE I o l3H3S1S l e tffi L l I SUPPLY I lsRclr I lu 6Ë I 3 lcoml f ...

Page 64: ...FOR c5 c l 0 c l 4 c20 R2 R3 R9 R 1 0 58 4360 1 0 M o M H D M 6P 6P 8P 12F 2P 6P 390 220 390 x5E 4360 1 M2 0 M2 H D M27P 4P 6P IP 27P 17 rE0 17 1EO USE FOR L9 Llo x5E 4560 t0 M D M H O M 134 4432 05 LJ4 4429 O 68nH x58 4360 1 1 M2 0 M2 H D M2154 4449 05 134 4484 O 1OOnH 06 10 lfincr I Ëf Ëï Ë i wËf YFïi tr 0 J r J o J IFRÊquilry ml R3 236w K52 ...

Page 65: ...uqtuïffi 7s2u Éïffi rr rr íFEÉËe Ê ËsËÈFe eFË w12 tï l ÍÍcH I Q l 5 2SC41 16 CR hiffil INLIER I TX RX UNÍT coNÍROL SECnON x57 B 2 oa lI l r c l I silrcH I r4 u l l l t o l l t l 2 t 5 Íc 17 1 t9 N 21 22 2J 21 25 26 H u Ë m sa I Ra ÉsE I o lÊHfff lP tPotEt I u l trï Iroctc I J lcoml ...

Page 66: ...O9UA 1C202 MC145190F USE FOR 5 4950 2t M D M À6f741H 32 57 4950 22 M2 o Mz M67741t 32 x57 4950 23 M6778r H 32 x57 4950 24 í2 v677A1L 32 USE FOR R25 i l 1 2 R1 0 141 R142 1 43 R 44 R2 j 1 4 1 C r 5 2 M U t M 70K o0K 0 047 Jtv 4 7K 390 NO taoK YES 0 NO 470P 7P a 4950 22 M2 100K 0 o4l Jw 4 1K 820 1 0 YES 66K NO 1 5 70P 12P 57 4950 23 H o M 120K t00N 0 047 5Y 1aK 420 t0 NO t80K YES 0 NO looP NO 57 495...

Page 67: ...OWER MODULE w lill sÍíH l 020 upH6 3 ó I RF ffUFIER I UZUJ 5CJ57 F mrunsl Q l 8 2S4215m MX xQ2tt DTC1 R D Rg4 ffi BFRn_lNl 22 1 2v lc1í w22 lE 6ïffi1 l PunER I m t2 lffiE l lsdmoNl È l n É w rlm l l l f f i H l r tt4w ...

Page 68: ......

Page 69: ...Ref No Address Ref No Address tc409 3K D409 3P D406 4G D410 4P D407 4G D411 4P D408 3G Component side Foilside ...

Page 70: ... 132 2SC2954 2sc3357 2SA1757 2S81565 N JM 78L NJM78L 2S41641 NJM29O4M NJM4558E NJM4558M Y a d OUÏ LA44I ffi M67741H 32 M67741L 32 M67781H 32 M677811 32 45 7 w TA75SO1 F Ref No Address ReÍ No Address tc401 1 1 R o403 12D tc402 13E o405 13N 1c403 9K 0406 9N 1c404 1 1 E o409 90 tc405 10M o411 1 1 0 tc406 1 1 D 0419 1 1 G c407 l r M Q420 120 tc408 1 1 M D401 1 1 c 1c410 131 D402 108 1c411 12M D403 13C...

Page 71: ...12 3AK 4420 4AK D408 32 tc40s 6AF o401 3U D401 4V 0409 3Al 1c406 5W 0403 3W D402 6U D410 4Al 1c407 5AF 0405 3AH D403 3W D411 4Al 1c408 5AG o406 6AG D404 3AL Component side Foilside O Connect1 and 4 UA UA t iND RH5VL42C 4 JA V VDD OUT 35K241 h ff 2 MC145190F SGM2014M Q 1C73881 M nfu I 2SK5O8NV TA78085 BU4094BCF MC3372SV UMGl s u 5 BU4013BF M38267M81157GP 7q t2 T6 I Xr o Y ffiw g3 M62363FP ...

Page 72: ...TER uMlrERI tc4c 2 Nv45 E D405 Dpofi lcoNsrANrf ICURRENTI ISETTING I Q420 Dlcl4 lEX lëinqrI Rsl5 lAcrv nLÍEËl tc m1 Nil4558E r l R417 lïCrNGl lswrTcH I Q 05 DIC363EK lC lO5 MÍ4sSE trcïCÏtrERl l I sà Note is Partsof Pattern 1 ...

Page 73: ... iii 3 È EÍ il ísesbFóËggot 1c409 M 6267L9Lr3 GP u u I g 5 aËr ÉË u Ê8ï c0Í2 coMl coM0 vL3 vL2 ÀLT En I I ALÍirFSK sM u r lvoLÍAGí l IREGULATOR I lC o7 M1478L05lJA R171 lilrrcnI 1 D 04 1 D 204K INPUT VI D PO EST osco slD osct rcK vss sD J X cnll scNAUX ADD Enn n n n n n Ë 8 8 à 8 3 Ë 3 t 1 9 E g g ...

Page 74: ...9 6 À 6 6 n 0 0 4 o 0 0 9 0 0 0 0 n u 2 5C à r i A E à 8 8 i l 3 a E 8 6 3 À s 6 É sr2 stl st0 s8 s5 g so sl2 s l r sr0 s8 s6 s4 s2 st s0 v0D VREf ilil t s t È t F l F l F t È t o t 6 t o t o ó 6 0 t s 6 0 0 i R o f r s 9 n b È 8 8 e 5 Ë r Y o à t lC4O9 r382S7r aLr5 GP s 64 85 86 my2 coMl cou0 UJ rt 2 È Í Ë f 6 6 tr I aËesÉË E E 4 íirrcnI L ...

Page 75: ... SECïON x57 4sso xx v2 l l I 7 a Ío 1 t 1 2 t 3 14 t5 t 6 la 21 23 21 26 Q403 o405 lpÍ6D l lcRsMtl Q419 DTA I44EK D401 402 404 405 DA2O4K J CIRGUIT DIAGRAM ÉffiK TK 768 H 1C401 40J 405 406 41 2 a6F l mzn Ol F I M O N I F IAUX I l lr l t F I V O LD N I F I V O LU P I t F I C H U P I L I C H D N I F I POWERI FqsMn Q419 oTAl tt x lp swrrcHl lTswGMd l 55C xx20 saf tr0t AUX scN VLDN AK APTI 65 TO xl xc...

Page 76: ...l q Ê l e P r W m F HOR P VLi l c 6 M 6 2 3 6 3 F L 422 Á F crV tTc363Er ÀuDlc r ilmE t e l I DSA3AI FX I D 4 I DSM3KI o t 6V 41 àtp arFaT Y i a4 2S 164l S s rv sw á r q r q z Y I tT ll4eu I I o 3hl À rsw 3 t c o 9U4094BCr o XRU4Og4BCF Íc412 NJM455aElC4t2 r JM4á5AE t 12 2rtu 1c105 t 2 1c40tr 2 2 ÍJe558E flJM455gg 94 ...

Page 77: ...L1 GP tÍt cRo X U L C J S U K rTrsrr nrdr TrFl Marr Trin I ra rrTÍE l T q r ïFn r M rN r l l l Ê7T 1 F L 5 EiÉ ï I L Q403 DTC383EX rrT3 uao D4o 4r I D214 021 5 422 Q210 21 M DM 2SB1 565 Ê F 22 M2 DM2I 2SB1 565 E F 23 HDM DA2O4K 02cz1ztx Y 2SA1 757 E F 2SC41 16 GR 24 HDM2 DA204K 02c212x Y 2SA1 757 E F 2SC41 16 GR o211 rc501 A1 21 M DM M67741H 32 x58 436G10 22 MzDM2I M677411 32 x58 4360r 1 23 HDM DT...

Page 78: ... n r I I I I I I I I I È As g s5 r t 9 l o t o l ï l o t ï l l a Y F 4 l I o t l l I I I I I I I o o e o Ë o L r 7 o I Y à Ër RÁr 9 I c ÍLl N ï p N H íFrj t 9 K g 9 fiJ ltlt Y tq o i Ê Jl l s c i J ufl ÈI F g X ís TF dX ofi ut aa eLt E Z E u ËE o eê f f il r t H EÍEl ï o o o ê O E g O o 9 o N o S o É E Y tÁ v ËEs EË È O o I à3 gEE g o U è o IT rB r l o P 98 J E r ci r N N N J tr o r o o U x F 0 o ...

Page 79: ... g uÉH rs Í È o ÈgliÉE MIH ES HA ËE tl ÈF ËtrJ t rÉjjlEiËHAt 1ftfis1 sy fi e Ht EffiMffiS àff New parts ReÍ No Ilew DaÍt PaÉs No Description KAP 1 N87 2606 46 x41 3380 20 BRAZIER HEAD TAPTITE SCREW SWITCH UNIT swtTcH uNrr x41 3380 20 v t z a 2 A c5 7 W1 W2 cN1 cN3 cN2 R1 R3 4 K1 2 Dl 2 o1 CK73FB1 H1O2K CK73FB1 E1 O3K CK73FB1 H1 02K E37 0630 5 E37 0631 5 E40 3246 05 E40 324m5 840 324745 R924670 05 ...

Page 80: ...PCBoardView SWunit X41 3380 20 Component sideview 1 01 DTD I14EK D1 2 1SS193 T KAP I H0RN LI cHTuNlT r I H VfTjb 7tr s ê I I i HR2 NC N2 HR1 E SB SW unit X41 3380 20 Foilside view e l Íriliil Componentside I ïIï Foil side q 98 ...

Page 81: ...Perature range Dimensions Weight Receiver Measurements madeperEIAstandard EIA 204 D RFinPutimPedance Sensitivitv ElA12dBSINAD SelectivitY lntermodulation Spurious andlmagereiection AudioPoweroutput Frequency stability Channel frequencY sPread 50o 0 25PV 78dB 73dB 80dB 4Wat4Qlessthan5 distortion tO 0O05 from 30 Cto 60 C 26MHzl20MHz Transmitter Measurements madeperEIAstandard EIA 152 C RFpoweroutput...

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