TK-2202/2206
Contents
1. ANT CN13 J301 01 TK 2202 2206 57 687 5215 30 58 SW 404 BD4845FVE 401 6204 502 10402 XC6204B502MR 403 BD4845FV 0405 DTA123Jl 15 02 5 12 8MHz 177 1931 05 5 IC301 AQUA BATT Batt T PROTECT Det D402 1SR154 400 PWR SW VOL 0 2 211 12302 10306 0316 3413 TA7368F 117 9 SW AMP 0305 144 0304 2SA1362 DC SW SW SB SB SW2. 01 4543 04 COIL SPRINGISTCPPER 10 1330 04 HBROUS SHEET C30Z AUDIOIO 11 4283 04 RUBBER SHEET QLO6 ANAL FET 11 4313 04 11 4318 04 SHEET 11 4320 14 SHEET 11 4322 04 SHEET 11 4323 04 SHEET 13 2009 04 CUSHON TERMINAL 13 2033 04 CUSHON TERMINAL BATT 13 2034 14 CUSHON CHASSIS 13 2037 04 CUSHON CHASSIS 13 2038 04 CUSHON CHASSIS CERAMIC FALTER 13 2039 04 C53 1604 03 PACKING CHASSIS C53 1605 03 PACKING TERMINAL BATT 1606 03 PACKINGVOU OW LED 53 1607 03 PACKINGSP MIC 3 1608 03 PACKING SP C53 1609 14 PACKING MIC ELEMENT C53 1610 04 PACKING SMA 12 3158 05 PACKING HXTURE H13 2109 03 CARTON BOARD H25 0085 04 PROTECTION BAG 100 200 0 07 2 2017 02 52 2034 02 CARTON CASE m 119 5472 03 HOLDER SP MIC ACCESSCRY J 19547303 HOLDERASSY TERMINAL J 21 8477 04 HARDWARE 21 8478 04 HARDWARE RXTURE SP MIC J 29071 3 05 CLIP ACCESSCRY 1 1 1 1B 1B 2G 2B 1B 1C 1E 1A 1A 1A 2A 3B 2B 2B 3A 2A 1A 2B 2 2 28 2 28 1 28 2 28 2G 1D 1 3D 3F 2G 2A 2B 2B 2G 14 AK TK 2202 K 2202 BM TK 2206 M TK 2202 2206 TX RX UNIT X57 6870 2
3. 205 206 203 204 BPF TUNING RF TUNING T AE e C334 R343 55 1302 SP MUTE SW 228 Sw R 0 3V MUTE 0306 CPH3413 C345 0304 0 1 PoUT 2SA1362 GR 21 10006 3 T 7 31V i VCC PW GND N PRE GND 3 T T UB SON 5 SP MUTE SW VIN PHASE T 0316 6 8337 C339 CPH3413 RIPPLE NF ANN 100 1006 3 47 0305 if DTC144EE 6 R 7 3V MUTE ON 5 0 3V MUTE OFF SW SP MUTE 4 SW SP MUTE e 4 MCN S V 1 5 111 50521 1301 MIC301 PITSW AF CONT C OPTDET 5 35 57 687 4 4 TK 2202 2206 lt 5 TX RX UNIT 57 6870 20 ANT SW D103 L117 L118 1119
4. Breaker 759C 2N AN HHHH XH Thermistor 4 Diode AXIAL LEADED 9 4 INDUCTOR C CHARGING TERMINALS KBH 10 BELT CLIP External View 39 TK 2202 2206 SPECIHCATIONS General Frequency detalla nia 136 174 TK 2202 K TK 2206 M Number of channels 8 2202 16 2206 Number of CROCS 16 Channel c 25kHz 2 Wide 12 5kHz 15kHz Narrow PLL Channel Stepping 2 5kHz 5kHz 6 25kHz 7 5 2 Operating 7 5 20 than 14 hours at 5 watts 5 5 90 duty cycle with KNB 29N battery More than 9 hours at 5 watts 5 5 90 duty cycle with KNB 30A battery Operating Temperature range 30 C to 60 22 F to 140 F Frequency rcr Ernie 2 5 to 60 Channel Frequency Spread 38M Hz Dimensions and Weight 54 2 1 8 W 122 4 13 16 x 21 1 13 16 D mm inches 160g 0 35165 With KNB 29N 1500 battery 54 2 1 8 W x 122 4 13 16 H x 33 1 5 16 D mm inches 360g 0 79105 With KNB 30A 1100MAN battery 54 2 1 8 W x 122 4
5. R 7 52V 2541362 2 MICROPROCESSOR IC301 0203 T 7 31V VCC PW GND AQUA C328 100k RE 25 4649 amp E EM 405 7 gor AUDIO PROCESSOR 0202 C338 100p c Q316 30622MAA B89GP X2 BEAT SHIFT SW 390p DTA144EE aloy Sly SP2 SP2 VIN PHASE CPH3413 VOLTAGE DETECTOR RESET L78 1411 05 ae Hae 525 8337 0339 1 5 e 1 403 BD4840FVE 552 9 BSHIFT ON 4 95V 1k R423 2 90435 6 1830 Ofo gt RIPPLE 1 mot 0 015 A R334 04 094 5 100 1006 3 10 d OFF 0V 0407 220 0 0150 N 4 98V 8 2b Que O O 5 OTS 51 SW2 5 8326 NS mr 9 25 1830 1 9 47k at oT 6864 MHz e C325 0 J BEAT SHIFT SW 3 6864 MHz Eg ip bv 5 R426 R 958 4 Lo li 245 ide T 0 01V SFS 1000 99K Oiu R 7 3V MUTE 0 1u 2 C C Wns 0 3V MUTE OFF 309 51573 8330 330 eR446 0303 T 7 3V bc SW SP MUTE SW SP MUTE Eie DTC144EE 82 120p 3 3k tu MICO 0 i DETECTOR ISOLATION MIC AGC DETECTOR INT Ose BR24L08F W 8445 706 40
6. um 4 84V 470 4 DTA143TE pie 325 5 To 2 5 C29 18 C50 0 59 25111 it 1 7 470 18 15p 10 Q C160 a V Y 101 7 25 5108 L12 R34 R36 PLLIC F IN AMP R25 26 C45 R16 R21 TOM ee ee 1 od R15 Som Sms awe 4 7k 4 0V R 0 60V T 2 7 H 8 I 5 5 OTs 680 955 gt N 0104 53 213 200 560 nim 855 4 95 515 188 4 N LIV 155135 85 275 STE N S Y i 525 144 p 9 5 549 140 IC101 Pa d ANT SW ANT SW R7 12k Q7 T go TA75WO1FU 258 4 DTAI43TE iE 7 C146 852 T a a rse 2 2 gt VCO OSCILLATION 5 DC SW RX APC PROTECT reese OUT1 VCC T 8 525 4 83V INI OUT B x 111 RIPPLE FILTER 180k osx L77 1931 05 5 ANN Q3 0 5 geo Rig D IN1 IN2 SW 47 24g 100 25 4617 5 5738 2 0108 41401 F401 5142 e 5 eR131 7 25 1824 o X o 8 APC SW 5 141
7. DETECTOR ISOLATION MIC AGC O O D302 D303 0302 2 RB706F 40 panen 28 4919 0 C317 HH 8328 gt Wi 12k LU 2 8 S 8314 16 8332 0333 10 310 8311 R360 15k 0 068 12 0 TXD TXD IN MIC MUTE BUSY RSSI SB SB PTTSW PTTSW AF CONT AF CONT OPTDET OPTDET 5M 5M X57 687 3 4 5 SCHEMATIC DIAGRAM 1 2202 2206 TX RX UNIT X57 6870 20 Note The components marked with a dot e are parts of V t o _ UO RN ANT SW D103 L117 L118 L119 IVY 131 7T 7T eT L114 L115 C144 D104 C151 C154 C156 C159 ANT a N1 131 1000 10 12 7 CNIS TE 153 1 10 155 it 18p C157 1 15 160 33p 5R 203 251 4 7 6 3 252 1000 1000 1211 56 230 205 35 318 4 8 D gt 245 227 291 C250 C253 R239 C263 8240 C267 C268 914 470p 0 0 4p 45 2 e N em i e m 9 A
8. I ls 33k N Q105 n g 100k 1 Sls 0831 zig 518 ai i 826 Y ang 8386 COMPARATOR HE BATT 215 18 _ 47 2 1000 i ET o M T 150k D 858 578 i CURRENT 2 REVERSE STEERING uic 0107 255 2 1 o a DTC114EE x2 o mv 777 PLL STE PLL STB DCSW DCSW 77 PLL DAT PLL DAT y B B 5x PLL CLK 5T Sr PLL APCSW APCSW 401 i OSCIN OSCIN 1 z OSCIN OSCIN H D H D 5R 58 e I 23 18 au ate 2 H 5 mm SP2 5C 5C 2 O 56 5 7 o Nee T ase 4 MGE sls R 4 98V le T 5 m XF201 Nom 5 sx N NSN 021501 Oa 9 171 0619 05 1206 837 c1 OFS 228 m um MOD mcm m di um MS ns N 231 En 2 2 1 560 men 5 9 ye NES Q205 R 2 48V 4 3 18 R 4 92V Ne 10 O 11 22 52 C245 R227 R291 C250 C253 R239 C263 R240 C
9. 5R 5 OSON ERPE x aam MCF S MOD XF201 EE zs mm dip 171 0619 05 38 85 2 C231 R219 2 0 01u 560 t 5 N ase 201 o un 172 0973 05 56 RX_W N TX WN 213 acca 5 QC Jae O gt R208 S a 8316 320 8319 DTRLOADN 2 56 55 STD E E Q301 DTA114EE 5 SeS 5 5 8322 201 5 DVO 1136 180k 2 d du oS sd TCLK DTRDO DTR OADN 56k TCLK DTRDO 8324 8329 329 8210 219 R216 TDATA DTRCLK X 100k 82k 3 3k Ful 8306 2301 1 325 Amo 1900 2 3 ndis 217 22 W N SW RX 2SC4649 N P AUDIO PROCESSOR R211 DIR 390p Q202 R321 22 DTA144EE 9 Tam vee 11 l STR 5 5 2 220 0 015 W 0 011V OTS 8326 4 98 C325 0 1 325 0 11 roe 326 e 331 9 331 1000p 39k RXAFI EXTLIMIN 8330 e C330 8446 tu MICO 9
10. I 1 B 9 mm 4 E um 3 Lt m 1 2 3 4 NJ gt 4 m O 5 010 gt I UJ m O NJ e OIO BIB amp m RIO Foil side Ul D d TK 2202 2206 SCHEMATIC DIAGRAM TX RX UNIT X57 6870 20 e R9 0 SORES um TO So 85 T7 PLL SYSTEM 2 73V 19 MB15A02 33n RIPPLE Pate FILTER rd n 935 T 4 84V ron 470 4 C29 18 C50 2 25111 ANN 1 ite 4 0 470 15 10 2 I I 28C5108 Y 2 5 e R16 e R21 PLL IC F_IN AMP WN AAA 560 680 220 ren Ore roe 100 le UE 2 wm 2 1 R12 7491 05 NES
11. 5b Controlling the audio mute circuit by the decode data input 6 Transmitting tone and encode data 1 Frequency Shift Circuit The microprocessor IC405 operates at a clock of 7 3728 Hz This oscillator has a circuit that shifts the frequency by BEAT SHIFT SW 0407 0408 A beat sound may be able to be evaded from generation if Beat Shift is setto ON when it is generated in the internal spurious transmission modulated sound of a transceiver TK 2202 2206 CIRCUIT DESCRIPTION Hi OFF BSHIFT LOW ON Fig 8 Frequency shift circuit 2 Memory Circuit M emory circuit consists of the CPU IC405 and an EEPROM 406 An EEPROM has a capacity of 64k bits that contains the transceiver control program for the CPU and data such as transceiver channels and operating features 405 406 EEPROM Fig 9 Memory circuit 3 Low Battery Warning The battery voltage is checked using by the microprocessor The transceiver generates a waming tone when it falls below the warning voltage shown in the table 1 The red LED blinks when the battery voltage falls below the voltage 1 shown in the table during transmission Note The transceiver checks the battery voltage during reception even when in the FPU the Battery Waming status function is set to On TX default setting However the LED does not blink during reception During transmission the LED blinks to generate the waming tone of a low batte
12. 6102 1102 6108 PU E B z2 zd 2 2 R119 120 9 253 2 2250 24 29 C254 10204 9 0125 mw pal 95 R21 2 E x Om N N 9 A W un Taz O 133 R122 12 136 IA N A B 0 C339 I D104 L109 C147 eke 150 4 5 6 10 11 12 30 13 14 2202 2206 ee y 5 D M Hr be Fl Li on m 114 a ad TX RX UNIT X57 6870 20 Component side view 72 0912 09 TX RX UNIT X57 6870 20 Component side view 72 0912 09 ORE cu 13 19 57 IN PoR 2 2 1 Em ua 1517 8223 EH v Pam L M N 5 TK 2202 2206 PCBOARD 111111 1 2202 2206 poc 72091209 6 d Et i Br P TRE ipe
13. REGIS 8424 E 2 amp Mico 83291 329 R425 C1 014 5L 0594 7P 7 ICI01 0105 0305 D102 4M IC301 9D 0107 4L 9306 0301 9 IC302 8P 0108 4L 0316 90 0302 9 IC403 0109 5L 0401 88 D303 78 0202 0402 88 D403 88 IC405 50 0301 10E Q407 8 88 IC406 Q302 008 7D _ 08 8 7 DL SH LLCO MIC301 79 1 20 2 01 819 7 08 T 01 10 O Ris 19 5 EE N z ond Pere N N N ue R2 C32 OY gt ADDITIONAL GND MOD IN RX W N MOD OUT o 0 EM 12 E Je co 2202 2206 _ NSN 5402 SW2 D E m J 72 0912 09 TX RX UNIT X57 6870 20 Foil side view J 72 0912 09 A TK 2202 2206 D B B Em ay p4p 8221 5 B 202 234 st 4 Q 010 237 2233 R50 1557 E227 835 5 E E 8 R36 13 1205 0204 oc C244 119 ES E49 3 CN
14. Adjust Low Wide High 3 points LPF 3kHz HPF OFF PTT ON Narrow TEST CH Center PTT ON 10 DTMF Deviation TEST CH Center 100 2 Adjust LPF 15kHz Wide HPF OFF PTT ON Narrow TEST CH Center PTT ON 11 MSK Deviation TEST CH Center 100 2 Adjust LOW Wide High 3 points LPF 15kHz Narrow TEST CH Center 1 5kHz 100Hz PTT ON 26 Receiver Section X 1 Wave Adjust l Center frequency Spectrum analyzer setting Center f 155 Hz Span 50 2 RBW 00 2 VBW 10 2 5dB 2 High edge frequency Spectrum analyzer setting Centerf 174M Hz 3 Low edge frequency Spectrum analyzer setting Center f 136M Hz TEST CH Low Center High SSG otuput 117 dBm 0 3uV SSG MOD 3 0kHz TEST CH Center SSG otuput 115 dBm 0 4u V SSG MOD 1 5kHz TEST CH Center Low High SSG otuput 123 dBm 0 16uV SSG MOD 3 0kHz TEST CH Center 550 otuput 122 dBm 0 18uV SSG MOD 1 5kHz TEST CH Center Low High SSG otuput 117 dBm 0 3uV SSG MOD 3 0kHz TEST CH Center SSG otuput 116 dBm 0 35uV SSG MOD 1 5kHz BATT terminal voltage 5 9V 2 Sensitivity check Wide Narrow 3 5011 Threshold writing Wide Narrow 4 5019 Tight writing Wide Narrow 5 BATT Detection Writing TK 2202 2206 AD USTMENT Measurement Test equipment Terminal Parts Method Adjust the wave
15. RXD 4 PLL UL BUSY 5 TCLK DTRDO TH DET PTT RSSI 1 5 TK 2202 2206 BLOCK DIAGRAM TX RX 136 00 174 00MHz 0102 0103 0106 D103 D104 D105 D106 25 4926 25 2596 25 2595 HVC131 5 SW LPF 101 TA75WOlFU 0109 DTA144EE CURRENT DET Q108 2SK1824 Q107 DTC114E Q205 D205 D206 3SK318 15 305 ZN SR PCTV D404 B30 2157 05 bers Q402 DTC114EE Pr1 Q PF2 O 19 APCSW RX W N LEDRX DCSW TX SW PCTV QTVCO RX SW QTTCXO PLL DAT E PLL STB TXD 37 TK 2202 2206 LEVEL DIAGRAM Jo3i2ede 440001 esn uon es JW Ul DV 5 Jv ui GO IN 2 AAG 2 Sewodaq JIN 993 01 Jes SI OV OX coca ISTO 910 16010 7 TOTO 182 60 9 ZN 4 191092 201 3 03 955 smous ejdsip au Jo3i2ede 440001 esn uon es AAC 2 2617 LNY DY e
16. 2202 K 2202 M SMALL RXEDINDUCTOR 56NH SMALL RXEDINDUCTOR AIR GORE CAL AIR GORE CAL AIR GORE CAL AIR GORE CAL AIR GORE CAL AIR GORE CAL AIR GORE CAL SMALL RXEDINDUCTOR LO00UH SMALL RXEDINDUCTOR 39NH FERRITE CHIP SMALL AXED INDUCTOR 0 56UH SMALL AXED INDUCTOR 68NH SMALL AXED INDUCTOR 180NH SMALL RXEDINDUCTOR 150NH SMALL AXED INDUCTOR FERRITE CHIP R108 SMALL AXED INDUCTOR R109 SMALL AXED INDUCTOR R110 111 SMALL AXED INDUCTOR RID FERRITE CHIP R113 FERRITE CHIP FERRITE CHIP R115 FERRITE CHIP TOXO 128MHZ RESONATOR 7 37MHZ 38 85 4K 10K CHPR CHPR CHPR CHPR CHPR CHPR 100 00HM 22K 10K 33K CHPR 56K 100K 82K 2 2K R210 211 R212 R213 R215 BM TK 2206 M TK 2202 2206 TX RX UNIT X57 6870 20 17 1 2202 2206 5 5 TX RX UNIT 57 6870 20 areae ael em RK73CBY 334 CHPR RK73HH 474D RK73HB J 334 473 7 331 CHPR RK73GB J 473 CHPR 473 CHPR RK73HB J 102 CHPR RO2 1368 05 CHPR 473 CHPR 4K RO2 1368 05 CHPR 7 473 4K 92 1252 05 CHPR 473 4K 92 1252 05 472 4 7K 12 7491 05 TRIMMING 68 S70 0414 05 TACT SWITCH 191 0543 05 MIC HEMENT 25111 DICDE VAR
17. Netherlands ay 2 KENWOOD ELECTRONICS S p A Via G Sirtori 7 9 20129 Milano Italy KENWOOD IBERICA S A Bolivia 239 08020 Barcelona Spain KENWOOD ELECTRONICS AUSTRALIA PTY LTD A C N 001 499 074 16 Giffnock Avenue Centrecourt Estate North Ryde N S W 2113 Australia KENWOOD ELECTRONICS HONG KONG LTD Unit 3712 3724 Level 37 Tower one Metroplaza 223 Hing Fong Road Kwai Fong N T Hong Kong KENWOOD ELECTRONICS SINGAPORE PTE LTD 1 Genting Lane 07 00 Kenwood Building Singapore 349544
18. Wide settings can be made for each channel by switching the demodulation level The WIDE low level and NARROW high level data is output from 405 pin 45 When a WIDE low level data is received Q202 turn on When aNARROW high level data is received Q202 tum off Q202 turns on off with the Wide Narrow data and the 201 detector output level is switched to maintain constant output level during wide or narrow signals Q203 201 QUAD IFOUT RX W N ICA05 CD201 L Wide H Narrow 5R Fig 3 Wide Narrow switching circuit 5 Audio Amplifier Circuit The demodulated signal from IC201 goes to AF amplifier through IC301 The signal then goes through an AF volume control and is routed to an audio power amplifier 1 302 where it is amplified and output to the speaker 1 2202 2206 CIRCUIT DESCRIPTION 6 Squelch Part of the AF signal from the IC enters the FM IC 201 again and the noise component is amplified and rectified by a filter and an amplifier to produce a DC voltage corresponding to the noise level The DC signal from the FM IC goes to the analog port of the microprocessor 405 405 determines whether to output sounds from the speaker by checking whether the input voltage is higher or lower than the preset value To output sounds from the speaker IC405 sends a high signal to the SP MUTE line and turns 1 302 on through Q303 Q304 Q305 Q306 0316 S
19. are not supplied Y PX Far East Hawaii T England Europe Les articles non mentionnes dans le Parts No ne sont pas foumis Y AAFES Europe X Australia Other Areas Teile ohne Parts No werden nicht geliefert TK 2202 2206 Y50 5890 XX TX RX UNIT X57 6870 20 ean 5151 x 02 3851 23 CABINET ASSY 16CH 02 3852 23 ASSY 8CH 02 3858 13 10 4078 01 CHASSIS 21 1644 13 DRESSING PANB 1609 BUTTON KNCB SIDET 51522 BUTTON KNOB VOL KNCB CH CIRCULAR NUT CH KNOB CIRCULAR NUT VOL KNOB PAN HEAD MACHINE 5 B09 0680 03 CAP SP MIC ACCESSCRY PAN HEAD MACHINE SCRBAKCHASSIS 11 1817 04 ILLUMINATION GUIDE PAN HEAD TAPTITE SCREW PCB B43 1156 04 BADGE 62 1762 00 INSTRUCTION MANUAL SCREW SET ACCESSCRY B62 1 63 00 INSTRUCTION MANUAL 21 1645 13 DRESSING PANB 8CH SSBB BESS 2 VARIABLE RESISTOR POWER SW VOL D10 0649 03 LEVER D21 0863 04 SHAFT D32 0441 03 STOPPER ROTARY SWITOH 16CH ROTARY SWITCH 8CH EO04 0451 05 COAXIAL RECEPTAG 23 1253 04 TERMINAL BATT E3 0 94 05 PROCESSED LEAD WIRE SP 4 E37 0803 05 PROCESSED LEAD WIRESP SPEAKER HEICALANTENNA ACCESSORY CHARGE ACCESSORY 2 ACCESSORY 230 ACCESSORY 9980 90 RBR F20 3352 14 INSULATING SHEET CHASSIS 01 4542 04
20. o T 3 4 ON 4 92V ON 4 92V OFF 0 01V OFF 0 01V 6 VOLTAGE DETECTOR INT 3 3 ig SIDE2 1 404 LEDRED BD4845FVE 0403 0404 B30 2156 05 a B30 2157 05 8 BATT LED SW LED SW 5T o RED 50402 58 ome DTC114EE 1 DTC114EE meee 5 SB PTISW 5M 32 X57 687 1 4 scHEMATICDIAGRAM 1 2202 2206 57 6870 20 a mum mum mum A UEM mum Ro G MI amm m um mum mum ama 4 2 1 4 74 IC2 UPB1509GV CONTROL z RF BUFFER AMP VCO VCO OSCILLATION TX 28 510 C78 VCC1 VCC2 C64 77 L24 D7 C52 L16 4p C73 OUT mm mm nm 33p 15 325 180p 39 Q4 0 5p 214 SW2 Osx Osx 3 2SK508NV K52 B SH TSH 7 T 3 74V e oma Or
21. or more 0 to 1V 3 or less at 1kHz 50mV to 10Vmms DC to 1GHz or more 2 to 600M Hz 100mvV or more Approx 89 5 10 Useful if ammeter equipped Connect the power cable properly between the battery jig installed in the transceiver and the power supply and be sure output voltage and the power supply polarity prior to switching the power supply ON otherwise over voltage and reverse connection may damage the transceiver or the power supply or both Note When using the battery jig you must measure the voltage at the terminals of the battery jig Otherwise a slight voltage drop may occur within the power cable between the power supply and the battery jig especially while the transceiver transmits 1 8M 100P 25V C2 470 25 23 TK 2202 2206 AD USTMENT Adjustment points TX RX unit X57 687 Component side view TX RX UNIT Component side view 5 SP VR1 Frequency adjustment BPF Band pass wave form test point CV Lock voltage adjustment terminal Foil Side View Foil side view p TC2 TC1 Transmit lock voltage adjustment TC2 Receive lock voltage adjustment CV Lock voltage adjustment terminal Fig 1 Adjustment points 24 c MICI RXAFO RXAFI CIMICO OO Frequency and signalling The set has been adjusted for the frequencies shown in the following table When required re adjust t
22. to the center of the case hole another The nut of volume knob is silver and the nut of channel knob 15 gold Use the following 19 when removing the nuts of the volume knob and channel knob e J ig Part W05 1012 00 Tighten this screw second Volume Knob Channel Knob Silver Gold 1 2202 2206 CIRCUIT DESCRIPTION 1 Frequency Configuration The receiver utilizes double conversion The first IF is 38 85 M Hz and the second IF is 450 kHz The first local oscillator signal is supplied from the PLL circuit The PLL circuit in the transmitter generates the necessary frequencies Fig 1 shows the frequencies ANT TX RX 136 174 Hz TK 2202 K M TK 2206 M 174 85 212 85M Hz TX 136 174MHz TK 2202 K M 2206 TK 2202 K M TK 2206 M Fig 1 Frequency configuration 2 Receiver The frequency configuration of the receiver is shown in Fig 2 ANT 0205 204 201 0203 1st Local TUNE IC301 2 IC30 AF VOL AF PA AQUA 2 Fig 2 Receiver section 2nd Local 1 Front End RF AMP The signal coming from the antenna passes through the transmit receive switching diode circuit D103 D104 D105 and 0106 passes through a BPF L214 1213 and is amplified by the RF amplifier Q205 The resulting signal passes through a BPF L209 and L211 and goes to t
23. 0 K 20 0010 9 0PF 1000PF AK 2202 2202 BM 2206 M 15 TK 2202 2206 TX RX UNIT X57 6870 20 16 CK73HBIHLO2K QC73HCHIHIOIJ CK73HB1HB91K CK73GBIA105K CK73HBIALOK CK73HBIHA7IK CK73GBICIOAK QC73GCHIH22 J CK73FBICATAK QC733cHIHIOIJ C92 0560 05 CK73GBICIOAK CK73GBICAT3K C92 0560 05 AK TK 2202 K 2202 M BM TK 2206 M CA C403 7 409 410 17 CA18419 21 426 427 428 429 1 2 433434 5 CN201 CNAOL 11 0457 05 F53 0190 05 L72 0973 05 140 4791 37 140 5681 96 140 5681 96 L92 0138 05 L40 1875 92 L40 3375 92 L40 1885 92 L40 1085 92 L92 0138 05 L40 2285 92 140 3978 67 140 2778 67 L41 2285 03 L40 3391 86 L92 0138 05 L40 3975 92 L92 0141 05 L40 8275 92 L92 0138 05 L40 1085 92 L92 0138 05 L40 2775 92 L40 1585 54 L92 0149 05 L40 2775 54 L92 0149 05 140 2295 85 O OLOUF 5 0PF 5 0PF 5 O4AF CERAMICTRIMMER CAP 10PF TERMINAL FLAT CABLE GONNECTCR PHONE J ACK 2 5 3 5 2 lt EMENT TUNINGCAL CERAMICRLTER ASOKHZ SMALL RXEDINDUCTOR A 700UH SMALL AXED INDUCTOR O 56UH SMALL AXED
24. 13 16 H x 33 1 5 16 D mm inches Dimensions not including protrusions 340g 0 75105 Receiver Measurements made per TIA EIA 603 Sensitivity EIA 120B SINAD NC 0 25uV Wide 0 28uV Narrow SE Ea a 70 Wide 60dB Narrow 65dB Wide 60dB Narrow SUNOS 65dB Audio Power QUDU acies escaco sexe side eaux ee 500mW at 8Q less than 1096 distortion Transmitter Measurements made per TIA EIA 603 RF Power er I 5W 1W Spurious and Harmonics 65dB 16 Wide 1L1KoF3E Narrow 454 Wide 40dB Narrow Audio Less than 5 KENWOOD CORPORATION 2967 3 Ishikaw a machi Hachioji shi Tokyo 192 8525 KENWOOD U S A CORPORATION 7 22745 2201 East Dominguez Street Long Beach CA 90801 5745 KENWOOD ELECTRONICS CANADA INC 6070 Kestrel Road Mississauga Ontario Canada L5T 1S8 KENWOOD ELECTRONICS DEUTSCHLAND GM BH Rembr cker Str 15 63150 Heusenstamm Germany KENWOOD ELECTRONICS BELGIUM N V Leuvensesteenweg 248 1800 Vilvoorde Belgium KENWOOD ELECTRONICS FRANCE S A 13 Boulevard Ney 75018 Paris France KENWOOD ELECTRONICS U K LIMITED KENWOOD House Dwight Road Watford Herts WD18 9EB United Kingdom KENWOOD ELECTRONICS EUROPE B V Amsterdamseweg 37 1422 AC Uithoom The
25. 206 GENERAL SYSTEM SET UP INTRODUCTION SCOPE OF THIS MANUAL This manual is intended for use by expenenced technicians familiar with similar types of commercial grade communications equipment It contains all required service information for the equipment and is current as of the publication date Changes which may occur after publication are covered by either Service Bulletins or Manual Revisions These are issued as required ORDERING REPLACEMENT PARTS When ordering replacement parts or equipment information the full part identification number should be included This applies to all parts components kits or chassis If the part number is not known include the chassis or kit number of which it is a part and a sufficient description of the required component for proper identification TX RX Unit Remarks Frequency range amp destination 57 6870 20 136 174M Hz IF1 38 85M Hz LOC 38 4M Hz SYSTEM SET UP Merchandise received License and frequency allocated by FCC Choose the type of transceiver Transceiver programming Are you using the optional antenna PERSONAL SAFETY The following precautions are recommended for personal Safety e DO NOT transmit until all RF connectors are verified secure and any open connectors are properly terminated e SHUT OFF and DO NOT operate this equipment near electrical blasting caps or in an explosive atmosphere e This equipment should be serviced by a qualifi
26. 267 C268 X 0901 470 10 0 9D RX W N 25 1824 243 B ST SW T 4 99V R447 CF201 1000p L72 0973 05 2 CPH3317 2 d 2 525524 a 55 16 NOS Te 9 lt ye Q o E B C213 W N _ 5v PROTECTION C402 TX WN ss g SY ERO XC6204B502MR Q404 R 5 01V 5 Q Pod A Masc 5 500 17 DREW 5 22051206 21 m m m m i 8 E 203 204 348 RFBPFTUNING 7 wn wx BT PF BPF TUNNG ie 20320 8319 470 ATE RFBPFTUNNG 97 if 4 eT amp E T 1 401 402 4 DTRLOADN DTRLOADN 0301 EIE 5 VOLTAGE STD STD DTA114EE REGULATOR 5V i SYSTEM 2 57 SO SW DTRLOADN TDATA DTRCLK 826 XC6204B502MR 4 96V Q405 TDATA DTRCLK 1136 c R 7 28V DTA123J 5 180k 0994 R343 VIN VoUT 02255 470k 5 5 0 10 8 9 7 se i SP MUTE sw 238 DTRLOADN C219 8216 302 SP Y TCLK DTRDO 8324 8329 M TA7368F 0306 R 0 3V MUTE ON TDATADTRCLK die KR 33 DC SW AUTE OFP CPH3413 o am g ams 2304 T 0 3V 1 PoUT 100u6 3 TS
27. 5 9 Om S Vo VCO 1 2 DIVIDER 4 222 S E 528225 588 ELE 8 9 858 1 zi DC SW TX MODULATOR Q5 DTA143TE 4 97 559 0 59 TX MODULATION ds 8 825 R26 45 831 112 R34 836 22k 10k 1u 560k 4 7k 270k de 826 STS 518 R30 T p ACE R 3 46V 2 12k T 1 2 zn 3 DTA143TE VCO OSCILLATION STE 111 9 55 117 ik IET a RIPPLE FILTER 100 1SV325 27 8 059 3 8 78 25 4617 5 12 FREQUENCY 2 22 ola 5 SIE 5 Du STEERING RA S QTTCXO PLL UL 2 PLL STB PLL DAT PLL CLK DCSW B B 5 APCSW OSCIN OSCIN H D 5 2 ow oco gor cm o A s 5 5 1 5 ADDITIONAL PCB EU I WERE 2 902 901 m m m m m OU 11 AAA MORIN m m m m m m m m m m m m m m m m m m ma tu ai 4 7k Bok EN4 ayy 5 L 0901 25 1824 8447 W N GND 4 7k 777 mmm W N TX W N 824 DTRLOADN STD TDATA DTRCLK TCLK DTRDO MICROPROCESSOR e IC405 RDF FD 30622MAA B89GP L404 2 BEAT SHIFT SW ley L78 1411 05 SHIRTS EE BSHIFT ON 4 95V 1k 2 MHZ ec435 Q408 25 1
28. 7 2202 2206 KENWOOD SERVICE MANUAL 2004 2 PRINTED IN JAPAN B51 8677 00 S 1246 GENERAL iain Mare atu VI IER 2 e Antenna SYSTEM SET UP isinicscumiicaidonnndobs abeam 2 2 DISASSEMBLY FOR REPAIR 5 CIRCUIT DESCRIPTION 8 TERMINAL 12 SEMICONDUCTOR DATA 12 Knob CH SELECTOR COMPONENTS DESCRIPTION 13 K29 9318 03 PARIS LIST 14 EXPLODED VIEW 20 Knob VOLU M E PACKING 21 29 9309 03 ADI USTMENT TEREREENE 23 TX RX UNIT X57 6870 20 28 Cabinet assy SCHEMATIC 32 TOM 36 A02 3851 23 16CH LEVEL nnn nnns 38 KENWOOD TK 2206 M KSC 31 KNB 29N KNB 30A 10 39 SPECIFICATIONS BACK COVER Knob PTT e K29 9308 03 TK 2206 Does not come with antenna Antenna is available as an option Photo is TK 2202 TK 2202 2
29. 7 D101 6101 R103 C104 Q102 82288 5 Deo 2sc4926YD 258 OTT 279550 L 9 10p HSC277 1000p 0 39p um an m eum DSN R 0 1V 1 1 09 25 5108 1 88 21508 518 tox Sox des 32 527 zy Sry OTS mE s 7 al oT osx n 77 777 1202 1205 1 2 39n 68n R 2 84V T 0 03V C233 C237 2 7 1 VE Sues dos 2p 5 8 075 ae ob ob al gna p LO1 51 abe ste T 2 7V H 0104 Nam aO 4 1 99V L Oa DTC114EE ala APC SW 92 Sma 5 8 916 IC101 144 TA75WO01FU 5 us que APC SW APC PROTECT T 852 8130 577 AN INi OUT B 150 E 529 852 888 0 8 IN1 IN2 SW SW R131 IN2 gt 0108 NVV 4 25 1824 0105 150k 4 ANN D EY 2SK8790 D 100k 8134 AAA ove mo 150k D 0107 114 2528 DCSW APC SW 777 APCSW 525 5 2 D
30. 830 OFF 0V 0407 25 1830 5 BEAT SHIFT SW 3 6864 MHz CLK R426 0 2 8301 e C302 8304 74 10 SIDE 75 gt x EEPROM 4 an 0 01 560k 295 e 1 406 BR24L08F W 8308 47k 8416 K 54200 828 555 axi R354 R355 C354 357 5 0301 10k 10k 0 1u 0 RB706F 40 ome TXD IN MIC MUTE RXAFO BUSY RSSI S SB L PTTSW PTTSW AF CONT o AF CONT 57 687 2 4 TK 2202 2206 SCHEMATIC DIAGRAM TX RX UNIT X57 6870 20 Ess 2 mum mm mum Eas mum mm EB Gu HUL IA mum R 7 68V TX DRIVE AMP TX FINAL AMP D101 202 T 4 9V T 7 30V 8108 C108 R112 _ C110 1104 0103 8120 120 1107 0106 2SK2596 2SK2595 M 1 88 4 6 1 5k AMP 39p 1000p 27n 0 1000p 27n C8
31. AFCONT 0303 DIC144EE 36 AUDIO PROCESSOR 5M DTRLOADN TDATA DTRCLK STD RDF FD TCLK DTRDO AGC 0302 25 4919 0303 222 2302 706 40 DET VOX D301 RB706F 40 04 2SK508NV K52 4 7 15 325 210 15 278 IX VCO Q5 GI 03 25 508 52 25 09 15 325 08 25 4617 5 Q7 011 25111 DC RX SW 56 IC201 Q1 KTC4082 TA31136FN 38 4MH TRIPLER 5R Q202 CD201 144 179 1582 05 SYSTEM RSSI BUSY 5R 406 BR24L0S8F W EEPROM 0407 25 1830 SW X2 L78 1411 05 7 3MHz 2 28C5108 Y 5 IC2 Q9 D101 D202 28C5108 Y UPB1509GV 2885108 Y HSC277 BUFF DIVIDER RF T R AMP AMP SW 5C 5C 5C 585 0203 201 0204 28C4649 N P 171 0619 05 3SK318 38 85MHz 5R 5R CF201 L72 0973 05 CF 450kHz SB D403 B30 2156 05 0401 DTC114 LEDTX IC405 30622MAA XXXGP D203 D204 15 305 LEDRX CROPROCESSOR 1 205 oc 5R DTRLOADN SCLK DIR TDATA DTRCLK Q104 DTC114EE Q105 25 879 RDF FD RESET EN2 VOX EN3 STD
32. D FT TX FINALAMP 7 TX DRIVE R 7 68V HVC131 1 88 T 7 30V L115 C144 D104 C15 C154 C156 4 9V 4 74V D101 202 T T 4 9 _ R112 1104 0108 8120 120 82 1000 10 12 TX RX 1000 102 SW BEANS 1000 27 o jfi Guo E m 5 9 0 UPB1509GV mo 4 6V 5 9 9 OTN 4 C87 0101 C101 R103 C104 Q102 gt NS a 5 ur M 8 28 4926 25 Q6 VCC1 VCC2 10 HSC277 1000 0 39 ES VCO VCO OSCILLATION TX 2SC5108 Y C78 BUE 7 e mim _ gt gt R 0 1V 5 4 N 23 124 6 1000 09 1 88 891 2 5 A 39n 5 32 328328 Soeg mo 5 84 83 gp 3225 22 9 0 180 cc 77 5 5 5 5 f 1 i o RAS 524 oma X oT Om 2 DIVIDER PLL SYSTEM 2 73V 8 9 5 1 19 Ro 5 1 5 Ome ri MB15A02 9 2 5 i 7 RIPPLE 2 C30 C40 me 8 Q5 NONIS LS
33. DAN222 25 4919 ola 728 228 C311 390k 100k 8318 SW SP MUTE 1 404 LED RED LED G 11 0 C317 ANN R328 dc BD4845FVE D403 0404 C354 8357 ju 1 2 nl 8345 7 4 8405 1 5 B30 2156 05 830 2157 05 0110 Tk 4 0 10 0 C316 8332 333 AAA m m n fen o 0301 8314 5 8 RB706F 40 5 44 UO ND GEO Um Om 8 un nm zn GEO Em m Enden 1 1 4 5 56 3 4 412 p SW 5 10k 310 8311 8360 I4 i 5 LED SW 58 VRED e 0402 GREEN 5C BU H 2 BG ous DTC114EE 114 RESET ase 5 928 25 cui GTDGTM GUDGT IN 2 1 _ SB oben e 0080 8080 BUSY BUSY SB PTTSW 525 505 RSSI RSSI PTTSW AF CONT oTe EE AF OPTDET 300 STS Ere OPTDET 5 5M
34. IABLE CAPAC TANCE DIODE VARIABLE CAPAC TANCE DIODE VARIABLE CAPAC TANCE DIODE VARIABLE CAPAC TANCE DIODE MPU ROM IC TRANSISTOR 2565108 TRANSISTCR 25K508NMK52 FET DIGTAL TRANSISTOR 2551089 TRANSISTOR DIGTAL TRANSISTOR 25046175 TRANSISTCR 25C5108 Y TRANSISTOR 25 1926 TRANSISTOR 25 2596 10 J 110W DIGTAL TRANSISTOR 4 119 25K879 Y FET jg AK TK 2202 K 2202 2206 M TK 2202 2206 TX RX UNIT X57 6870 20 ADDITIONAL PCB DIGTAL TRANSISTCR FET 1 DIGTAL TRANSISTCR 1 DIGTAL TRANSISTCR 2SCAGAQ N P TRANSISTOR 36318 FET DIGTAL TRANSISTCR 2504919 TRANSISTCR DIGTAL TRANSISTCR TRANSISTCR DIGTAL TRANSISTCR FET FET DIGTAL TRANSISTCR DIGTAL TRANSISTCR ADDITIONAL 105 RK73GB J 472 4 25 1824 2202 2202 BM 2206 o O N st Oo On OOO O O CI CN 22224 F Ex2 01 67 TK 2202 2206 20 Parts with the exploded numbers larger than 700 are not supplied 1 2202 2206 PACKING 220 4 HELICAL ANTENNA 9 IN
35. INDUCTOR 0 56UH FERRITE CHP SMALL AXED INDUCTOR 18NH SMALL AXED INDUCTOR 33NH SMALL AXED INDUCTOR 180NH SMALL AXED INDUCTOR 1OONH FERRITE CHP SMALL AXED INDUCTOR 220NH SMALL AXED INDUCTOR 39NH SMALL AXED INDUCTOR 27NH SMALL AXED INDUCTOR SMALL AXED INDUCTOR 3 3UH FERRITE CHP SMALL AXED INDUCTOR 39NH FERRITE CHP SMALL AXED INDUCTOR 82NH FERRITE CHP SMALL AXED INDUCTOR 1OONH FERRITE CHP SMALL AXED INDUCTOR 27NH SMALL AXED INDUCTOR 150NH FERRITE CHP SMALL AXED INDUCTOR 27NH FERRITE CHP SMALL AXED INDUCTOR 2 2UH L34 45 6 05 L34 45 5 05 L34 456 05 L34 4566 05 140 1091 37 L40 3975 92 L92 0138 05 L40 5685 85 L40 6875 92 L40 1885 92 L40 1585 92 L41 56 8 14 L92 0138 05 141 5678 14 141 5678 14 141 4778 14 L92 0140 05 L92 0149 05 L92 0149 05 L92 0138 05 L77 1931 05 L78 1411 05 L71 0619 05 RK SHAY 473 RK 5HA J 102 223 103 RK 3HB J 333 563 104 823 RK73HB J 101 92 1368 05 aan BE 2 8 4 222 92 1252 05 334 7 1 221 561 508506 8 7 1 101 R92 1252 05 RK 3CBJJ 152 RK73HB J 100 RK73GB J 681 S868 92 1252 05 103 7 1 23 RK73HB J 103 7 1 220 SEER 5 123 564 102 73 154 472 RK73HB J 274 AK TK
36. Range Input Impedance Frequency Range Frequency Stability 136 to 174M Hz Frequency modulation and extemal modulation 127dBmyO 1yV to greater than 47dBm 1mV 500 136 to 174M Hz Vicinity of 10W 136 to 174M Hz 10mv to 10V DC High input impedance for minimum circuit loading DC through 30M Hz 10 2 to 1000M Hz 0 2ppm or less Frequency Range Voltage Range Frequency Range Output 8 Volt Meter AF VIVM 9 Audio Generator AG 10 Distortion Meter Capability Input Level 11 Spectrum Analyzer M easuring Range 12 Tracking Generator Center frequency Output Voltage 13 89 Dummy Load 14 Regulated Power Supply B The following parts are required for adjustment 1 Antenna connector adapter The antenna connector of this radio uses an SMA terminal Use an antenna connector adapter SM A f BNC f or SM A f N f for adjustment The adapter is not provided as an option so buy a commercially available one 2 Repair J ig Chassis Use jig part No A10 4086 03 for repairing the TK 2202 2206 Place the TX RX unit on jig and fit it with screws The jig facilitates the voltage check and protects the final amplifier FET when the voltage on the flow side of the TX RX unit is checked during repairs 3 Battery ig W05 1011 00 Terminal Red Terminal Black 50Hz to 10kHz lmv to 10V 50Hz to 5kHz
37. STRUCTION MANUAL P E 05 66 AC ADAPTER B62 1762 00 4 W08 0970 05 K AC120V 08 0971 05 230 48 HOLDER SP M IC J 19 5472 03 60 SCREW SET N99 2043 05 6 CAP SP MIC B09 0680 03 lt 2 SO 44 CARTON BOARD 13 2109 03 702 29 43 PACKING FIXTURE 2 12 3158 05 65 CHARGER 52 BELT CLIP 08 0969 05 29 0713 05 P nw 46 ITEM CARTON CASE 2 52 2017 02 Parts with the exploded numbers larger than 700 are not supplied 21 1 2202 2206 PACKING 2206 MANUAL B62 1763 00 1 45 PROTECTION 25 0085 04 48 HOLDER SP MIC 19 5472 03 48 lt gt En 60 SCREW SET A 99 2043 05 6 5 09 0680 03 LESS 2 uus 43 PACKING FIXTURE H12 3158 05 52 BELT CLIP J 29 0713 05 47 CARTON CASE H52 2034 02 2 3 22 Parts with exploded numbers larger than 700 are not supplied 1 2202 2206 ADJ USTMENT Test Equipment Required for Alignment Test Equipment Major Specifications l Standard Signal Generator SSG 2 Power Meter Frequency Range Modulation Output Input Impedance Operation Frequency M easurement Range 3 Deviation Meter Frequency Range 4 Digital Volt M eter DVM 5 Oscilloscope 6 High Sensitivity Frequency Counter M easuring
38. TSATS5TS do 1 OTS eia L77 1931 05 1401 F401 R2 R3 100 1 W MN AN i e VC Zee e 8 8 S 3 2 tou amp C34 OTS STS STE L1 R12 C17 R14 BATI e S a ee 278 STS 778 8 GND oUTPUT m ewl ANN it T 47 2 2k 47 2 LO 00 4 o TAS T il Q1 150 S 4082 PLL UL PLL STB PLL DAT PLL CLK 1 B B 2 58 leo 3 SP1 1 1 4 SP2 ROREM 5 5 L 6 E 7 L 8 4 Ed 5 P 3 70 2 Dy Io 1 3 57 x 51 T 4 99V SI 55 17 a c 22 5 5 5V PROTECTION IC402 D401 XC6204B502MR 007 885215 30 5 CPH3317 3 VIN 4 7 56 NT 7 26V 4 are 1C401 402 T 777 VOLTAGE 5 T REGULATOR 5V aw 401 XC6204B502MR Q405 R 7 28V 5 4 96 DTA123JE 4 1 680 VIN VoUT ST 958 E ST 4 777 4 95V 1402 430 VOLTAGE DETECTOR RESET 0 01u e IC403 BD4840FVE 9 lt 47 2 er BP swe 8 173 o 2
39. ed technician only SERVICE This radio is designed for easy servicing Refer to the schematic diagrams printed circuit board views and alignment procedures contained within Frequency range MHz RF power 2202 personal computer PC or compatible programming interface 22 and programming software KPG 87D are required for programming The frequency TX power HI LOW and signalling data are programmed forthe transceiver YES KRA 22 or KRA 26 Optional antenna 5 17 21 you using speaker microphone Speaker microphone Delivery Option TK 2202 2206 REALIGNMENT REALIGNMENT 1 Modes Data programming mode PC test mode PC tuning mode ___ Mod radio and compatible mode and other features to and from the radio PC test mode Used to check the radio using the PC This feature is included in the KPG 870 Used to transfer programming data from one radio to another 2 How to Enter Each Mode 0 Received commands from PC PTT HSide2 Power ON Two seconds 3 PC Mode 3 1 Preface The TK 2202 2206 transceivers are programmed using a personal computer a programming interface KPG 22 and programming software KPG 87D The programming software can be used with an IBM PC or compatible Figure 1 shows the setup of an IBM PC for pro
40. ee Fig 4 7 Receive Signalling 1 QT DQT The output signal from FM IC IC201 enters the microprocessor IC405 through 1 301 405 determines whether the QT or DQT matches the preset value and controls the SP MUTE and the speaker output sounds according to the squelch results 2 MSK Fleet Sync The MSK input signal from the FM IC goes to pin 31 of IC 301 The signal is demodulated by MSK demodulator in IC 301 The demodulated data goes to the CPU for processing RECEIVE SIGNALLING 01 201 1302 Q306 316 SP AF PA SW 0303 304 305 SW Fig 4 AF amplifier and squelch 3 input signal from the FM 201 goes to 301 The decoded information is then processed by the CPU QT DQT IN CLK DATA STD LOADN 3 PLL Frequency Synthesizer The PLL circuit generates the first local oscillator signal for reception and the RF signal for transmission 1 PLL The frequency step of the PLL circuit is 2 5 5 6 25 or 7 5kHz A 12 8M Hz reference oscillator signal is divided at IC1 by a fixed counter to produce an oscillator VCO output signal which is buffer amplified by Q2 then divided in IC1 by a programmable counter The divided signal is compared in phase with the 5 or 6 25kHz reference signal from the phase comparator in IC1 The output signal from the phase comparator is filtered through a low pass filter and passed to the VCO to control the osci
41. enna from both the master transceiver and the slave transceiver with a dummy load The transmit output power is automatically set to Low in Clone mode 13600 13800 14000 2 14200 14400 X 14600 XJ 800 5000 2 15200 0 1400 TK 2202 2206 DISASSEMBLY FOR REPAIR Removing the case assembly from the chassis 1 Remove the volume knob and channel knob 2 Remove the two screws 3 Lift and remove the chassis from the case assembly Use flat blade screwdriver to easily lift the chassis Removing the TX RX unit from the chassis 1 Remove the packing from the SP MIC jack of the TX RX unit 2 Remove the eleven screws fixing the TX RX unit 3 Remove the fixing bracket of the SP MIC 4 Remove the solder of the antenna terminal with a soldering iron 5 Remove the solder of the positive terminal with a soldering iron Note You can remove the TX RX unit from the chassis without removing the solder at the positive terminal However In this case you can not attach the packing G53 1605 03 that is on the positive terminal to the chassis assembling So it is advisable to remove the solder on the positive terminal first 6 Remove the FPC from the flat cable connector 7 Lift and remove the TX RX unit from the chassis Removing the battery release lever from the case assembly 1 Press the upper part of
42. fications Tes equipment m em a Method Remark ph coin ON 2 High power oo CH Low Power meter 5 0W 0 1W Low Ammeter Software KPG 87D 1 9 or less Center High High 5 points BATT terminal voltage 7 5V PTT ON 3 Low power TEST CH Low 0 1W Low 0 9 A orless Center High High 5 points BATT terminal voltage 7 5V PTT ON 4 deviation TEST CH Center Power meter 50 2 LOW Deviation meter IC connector to High Oscilloscope the lager 3 points AG 1kHz 150mV AG Deviation meter filter LPF 15kHz Narrow TEST CH Center 2 2kHz 50Hz PTT ON According to the lager 5 VOX 1 TEST CH Center Writing AG 1KHz 45mV 25 2202 2206 USTMENT Measurement remen Adiustmen UMP Condition justment Specifications Test equipment Terminal Parts Method Remark 6 VOX 10 TEST CH Center Writing AG 1kHz 3 0mV Power meter ANT Programming Deviation meter SP MIC connector Software KPG 87D ANT 7 5 Oscilloscope Programming the Balance Adjust LOW AG Software KPG 87D demodulation Wide High wave into 3 points square waves LPF 3kHz HPF OFF PTT ON Narrow TEST CH Center PTT ON 8 QT Deviation TEST CH Center 0 75kHz 40Hz Adjust Low Wide High 3 points LPF 3kHz HPF OFF PTT ON Narrow TEST CH Center PTT ON 9 DQT Deviation TEST CH Center 0 75 2 40Hz
43. form as shown to the right ANT BPF Spectrum analyzer Programming Software KPG 87D SSG DVM Oscilloscope AF VIVM Programming Software KPG 87D DVM ANT BATT terminal Specifications Remark Mkrl 155 0 MHz Ref 23dBm Atten 5 dB 33 5 dBm Peak 50M 2 Swee Soli 174 0 MHz 34 06 dBm Center 174M Hz Res BW 300kHz 10kHz Swee aol pts 136 0 MHz Ref 20dBm Atten 5 dB 31 86 dBm Peak Center 136M Hz Res BW 300kHz VBW 10kHz Swee AOL p Check 12dB SINAD or more Write Squelch open Write BATT terminal voltage 5 9V 27 N E F TK 2202 2206 TX RX UNIT 57 6870 20 Component side view J 72 0912 09 28 1404 B R203 203 80 8 5 z 2 gt oy un 5 i R222 Og 5 gt 72 RA071 1 R365 0433 C234 epu 3 Sory 019 1625 23 Leu vu ow Q302 m 5 5 3 pes 6553 7 4 56 di E LACK rud 0302 8315 112 GJ 1253 2 eed cy 32 C325 E R327 0 Q E Ex E E
44. goes to the VCO modulation input TX deviation is adjusted by the CPU 2 DTMF High speed data is output from pin 2 of the CPU The signal passes through a low pass CR filter and provides a TX and SP out tone and is then applied to the audio processor 1 The signal is mixed with the audio signal and goes to the VCO TX deviation is adjusted by the CPU 3 MSK Fleet Sync Fleet Sync utilizes 1200bps and 2400bps M SK signal is output from pin 6 of IC301 And is routed to the VCO When encoding M SK the microphone input signal is muted 5 Power Supply There are four 5V power supplies for the microprocessor 5 5 5 and 5T 5M for microprocessor is always output while the power is on 5M is always output but tums off when the power is turned off to prevent malfunction of the microprocessor 5C is a common 5V and is output when SAVE is not set to OFF 5R is 5V for reception and output during reception 5 is 5V for transmission and output during transmission 6 Control Circuit The control circuit consists of a microprocessor 405 and its peripheral circuits It controls the TX RX unit 1 405 mainly performs the following 1 Switching between transmission and reception by the PTT signal input 2 Reading system group frequency and program data from the memory circuit 3 Sending frequency program data to the PLL 4 Controlling squelch on off by the DC voltage from the squelch circuit
45. gramming 3 2 Connection procedure l Connect the TK 2202 2206 to the personal computer with the interface cable 2 When the POWER is switched on user mode can be entered immediately When the PC sends a command the radio enters PC mode When data is transmitting from the transceiver the red LED lights When data is received by the transceiver the green LED lights Notes The data stored in the personal computer must match the model type when it is written into the EEPROM Change the TK 2202 2206 to PC mode then attach the interface cable RF Power meter 3 3 22 description PC programming interface cable Option The KPG 22 is required to interface the TK 2202 2206 with the computer It has a circuit in its D subconnector 25 pin case that converts the RS 232C logic level to the TTL level The KPG 22 connects the SP MIC connector of the TK 2202 2206 to the computer 5 RS 232C serial port 3 4 Programming software description KPG 87D is the programming software for TK 2202 2206 supplied on a CD ROM This software runs under Windows 98 ME Windows 2000 or XP on an IBM PC or compatible machine The data can be input to or read from TK 2202 2206 and edited on the screen The programmed or edited data can be printed out It is also possible to tune the transceiver _ 1 5D XV Lead wire 1 5D XV Shield wire T
46. he mixer These BPFs are adjusted by variable capacitors D203 D204 D205 and D206 The input voltage to the variable capacitor is regulated by voltage output from the microprocessor 405 2 First Mixer The signal from the front end is mixed with the first local oscillator signal generated in the PLL circuit by Q1 to produce a first IF frequency of 38 85 M Hz The resulting signal passes through the XF201 MCF to cut the adjacent spurious and provide the opitimun characteristics such as adjacent frequency selectivity 3 IF Amplifier Circuit The first IF signal is passed through a four pole crystal filter XF201 to remove the adjacent channel signal The filtered first IF signal is amplified by the first IF amplifier Q203 and then applied to the IF system IC IC201 The IF system IC provides a second mixer second local oscillator limiting amplifier quadrature detector and RSSI Received Signal Strength Indicator The second mixer mixes the first IF signal with the 38 4M Hz of the second local oscillator output TCXO X1 and produces the second IF signal of 450kHz The second IF signal is passed through the ceramic filter CF201 to remove the adjacent channel signal The filtered second IF signal is amplified by the limiting amplifier and demodulated by the quadrature detector with the ceramic discriminator CD201 The demodulated signal is routed to the audio circuit 4 Wide Narrow Switching Circuit Narrow and
47. he speaker to the speaker recess of the case lever assembly 6 Make sure the speaker is securely inserted 4 Slide the shaft through the hole of the stopper and lever Confirm that the waterproof packing is securely inserted in the groove of the chassis 3 Insert the upper part of the chassis into the case assembly Cautions for assembly 1 Attaching the positive terminal to chassis Caution Take care that the speaker lead wire is not caught Always attach the positive terminal to the chassis using by the microphone element the following procedures before mounting the TX RX unit 4 Press the chassis and the case assembly together to onto the chassis attach them 1 Remove the holder assembly from the packing of Caution If the packing of the SP MIC does not come to the the positive terminal correct position after attaching the chassis to the 2 Mount the packing of the positive terminal into the chassis case assembly reposition the packing with your hole fingers 3 Mount the holder assembly into the packing of the positive terminal TK 2202 2206 DISASSEMBLY FOR REPAIR 3 Attaching the antenna receptacle to the 4 The nuts of the volume knob and channel chassis knob Screw the antenna receptacle to the chassis in the order Note that the shapes colors and heights of nuts of the shown in the drawing so that the antenna receptacle comes volume knob and channel knob are different from one
48. hem following the adjustment procedure to obtain the frequencies you want in actual operation Frequency MHz 4 155 000 155 000 6 15540 1540 7436 Signalling 4 1514 2 QTISl4Hz 6 DQTDO23N DQTDO2NN 8 1 1590 DTMF 1590 9 Noe DMFtme9 Preparations for tuning the transceiver Before attempting to tune the transceiver connect the unit to a suitable power supply Whenever the transmitter is tuned the unit must be connected to a suitable dummy load i e power meter The speaker output connector must be terminated with a dummy load and connected to an AC voltmeter and an audio distortion meter or a SINAD measurement meter at all times during tuning Adjustment Frequency TEST CH 155 050M Hz 155 000M Hz 136 050MHz 136 000MHz 173 950M Hz 174 000M Hz 145 550M Hz 145 600M Hz 164 550M Hz 164 600M Hz 2202 2206 USTMENT Common Section Condition Measurement Adjustment Specifications Testequipment Terminal Remark 1 5 terminal votage 7 5V gt 556 standard modulation Wide MOD 1kHz DEV 3kHz Narrow MOD 1kHz DEV 1 5kHz 2 VCO lock Power meter _____ 0 6V more 3 VCO lock 0 1 voltage 0 6 or more 0 1V Transmitter Section Adjustmen Condition easurement 1 Speci
49. ils while cloning an error tone will 152 000 sound from the Slave unit 8 If the cloning fails no data will be available in the Slave unit when it is retumed to User mode 9 When cloning is successful the Slave unit s Scan and Key lock functions will retum to their default values Scan OFF Key lock OFF Notes The dealer can clone data to two or more transceivers by repeating the above procedures 174 000 fthetransceivers Clone Mode is configured as Disabled the transceiver cannot enter Clone mode e The table shown below will cover the frequency tables used for wireless cloning Clone mode cannot be entered in battery low state Aunit cannot be a Master Unit if it is unprogrammed If PTT is pressed an error tone will sound The language used in cloning depends on the odel type setting not the FPU setting C C2 C5 and C6 type TK 3207 transceivers will use Chinese Other types English Onceaunit is set to be the Master it cannot be a slave after the data has been transmitted This protects the data in the Master unit Electronic interface may cause a failure in data transfer during Wireless Clone such as when waveforms or electromagnetics are being performed at the workbench e Clone mode can be used ONLY by the authorized service personnel TheClone mode setting must be configured as Disable before being delivered to the end user To clone replace the ant
50. in 91 VoX _ i 92 1 _ THDET 1 Temitoinut 94 9 feme Fewer 797 avcc y ape 99 MICMUTE TK 2202 2206 COMPONENTS DESCRIPTION TX RX UNIT X57 6870 20 Ret Use Function 02 FET 05 07 Transistor RFAMP 0102 0103 0104 0105 0106 0107 0108 0109 0202 0203 0204 FAM 0205 FET RF AMP REAMP 0 0301 0302 Ref Use Function Operation Condition Ripple Fiter Variabl 8 capacitance diode Variabl D5 ae Frequency control capacitance diode Variabl D7 Frequency control TX capacitance diode Variabl Frequency control VCO capacitance diode Variable D10 odulator capacitance diode D105 ANT switch 0106 Diode ANT switch D202 TX RX RF switch p203 4 RF BPF tuning capacitance diode 0204 4 RE BPF tuning capacitance diode 205 4 Re tuning capacitance diode 206 49 aFBpr tuning capacitance diode D403 D404 ADDITIONAL PCB Ref No Use Function Operation Condition Q901 W N Switch TX 13 1 2202 2206 PARTS LIST New Parts indicates safety critical components L Scandinavia K USA P Canada Parts without Parts No
51. llator frequency See Fig 5 2 VCO The operating frequency is generated by Q4 in transmit mode and Q3 in receive mode The oscillator frequency is controlled by applying the VCO control voltage obtained from the phase comparator to the varactor diodes D4 and D7 in transmit mode and D5 and D9 in receive mode The RX pin is set high in receive mode causing Q5 tum on The TX pin is set high in transmit mode The outputs from Q3 and 04 are amplified by Q6 and sent to the RF amplifiers Q2 BUFFER 2 Q6 BUFF AMP PLL IC IC1 5 2 6 25 2 Fig 5 circuit 3 Unlock Detector If a pulse signal appears at the LD pin of IC1 an unlock condition occurs and the DC voltage obtained from 4 5 and D1 causes the voltage applied to the microprocessor to go low When the microprocessor detects this condition the transmitter is disabled ignoring the push to talk switch input signal 4 Transmitter System 1 Microphone Amplifier The signal from the microphone passes through the 01 When encoding DTMF it is turned OFF for muting the microphone input signal by 1C301 The signal passes through the Audio processor IC301 for the maximum deviation adjustment and goes to the VCO modulation input 1 2202 2206 CIRCUIT DESCRIPTION 10 01 Fig 6 Microphone amplifier 2 Drive and Final Amplifier The signal from the T R switch D101 is on is am
52. nd iC data output Base band IC data input 08100 STD QT VCO DTRLOADN Base band IC data output 1 2 OSC O 3 6864 MHz 7 3728 MHz 2 PTT switch input QT TCXO O QT DQT output TXD Serial data FPU FLASH RXD Serial data FPU FLASH GND switch APCSW 35 DCSW 0 APC voltage discharge switch 36 TXWide Narrow switch 37 RXSW O Rxvcoswkh o 38 Xsw Oo mvcoswkh 39 GND 40 PLLUL PlLunockdetectinut PLLSTB O Plismobeoupt 42 PLLDAT 0 43 PLL Li M Channel selectorinput ar ena i Channel setectorinput 48 ens Channel selectorinput 49 EN2 i Chawdsdedorinuk 50 i Channel setectorinput 51 oproer 1 Headset input detect 52 AFCONT 0 Speakermute pasqnc Nc 772 9 Red LED contro output 773 LEDRX O Green LED lights control i SbEiyimu 90 jsm msm 7879 NC wje 01 SRcommlodput SCC 5 NC NC 788 BATT Bate voltage input me Indicator input 90 Busy Busy leve
53. plified by the pre drive 0102 and the drive amplifier 0103 to 50mW The output of the drive amplifier is amplified by the RF power amplifier Q106 to 5 0W 1W when the power is low The RF power amplifier consists of two MOS FET stages The output of the RF power amplifier is then passed through the harmonic filter and antenna switch 0103 and D104 and applied to the antenna terminal D103 0102 0103 0106 0104 405 Fig 7 Drive and final amplifier and APC circuit 3 APC Circuit The APC circuit always monitors the current flowing through the RF power amplifier 0106 and keeps a constant current The voltage drop at R127 R128 and R129 is caused by the current flowing through the RF power amplifier and this voltage is applied to the differential amplifier IC101 1 2 101 2 2 compares the output voltage of 101 1 2 with the reference voltage from 405 The output of 101 2 2 controls the VG of the RF power amplifier drive amplifier and pre drive amplifier to make both voltages the same The change of power high low is carried out by the change of the reference voltage 4 Encode Signalling 1 QT DQT QT DQT data of the QTTCXO Line is output from pin 28 of the CPU The signal passes through a low pass CR filter and goes to the TCXO X1 The QT DQT data of the QTVCO Line is output from pin 24 of the CPU The signal passes through a low pass CR filter mixes with the audio signal and
54. ry voltage 2 The transceiver immediately stops transmission when the battery voltage falls below the voltage 2 shown in the table A message tone beeps while the PTT switch is released NidBatey Fig 10 Low battery waming 7 Control System Keys and channel selector circuit The signal from the keys and channel selector are directly input to the microprocessor as shown in fig 11 Channel selector Fig 11 Control system TK 2202 2206 TERMINAL FUNCTION SEMICONDUCTOR DATA TERMINAL FUNCTION 401 7 O O s 9 _ 3 sei miom 4 52 Audiooutpt S ND GND S 6 Encoder pulse input SEMICONDUCTOR DATA Microprocessor 30622MAA B89GP TX RX UNIT 405 Pin function 00 Function 1 0 APOBPFconodaaoupu 3 omr O DmMFBepoupt 0000 SSS 4 EEPDAT VO EEPROM 5 EEPCLK O EEPROM clock output 6 7 8 O Beatshiftswitch 0 rao ____ _ xou 7 006 1255 T C UdakU3P2BMH ______ asye 5 INT Battery voltage 717 1 Base band iC 718 ROFD Base band iC data inot 18 sak ____ Base band 00 Base bandiC ota cut 2 oR Base ba
55. the lever toward the inside of the case assembly One side of the shaft will be removed 2 Lift and remove the battery release lever from the case assembly Attaching the battery release lever to the case assembly 1 Insert one side of the shaft into the hole at the lever fitting section on the case assembly Caution The thin spring 501 4543 04 should be positioned above the two tabs of the lever 2 Tilt the battery release lever slightly forward so that the thick spring 01 4542 04 is positioned below the case Surface 3 With the thick spring positioned below the case surface attach the other side of the shaft to the case assembly by pressing the battery release lever until it snaps into place Caution Be careful not to tilt the battery release lever too forward If the battery release lever is pushed in this state where the two tabs come below the case surface there 15 a possibility of damaging the two tabs A thin spring TK 2202 2206 DISASSEMBLY FOR REPAIR Assembling the battery release lever 2 Mounting the chassis to the case assembly 1 Place the lever onto the stopper 1 Confirm that the waterproof packing attached to the 2 Place the thick spring onto the lever circumference of the chassis is securely inserted in the 3 Hook the right and left ends of the thin spring onto the groove of the chassis tabs of the stopper then place the thin spring onto the 2 Attach t
56. ui uonpoes 0 1023 10223 1330 6222 6122 005 11315545 45 vnov AW6Z AUJ06Z ZH 8 86 2 4 191495 48 095 TOEDI ODA JW SUJJAUJGCT SUUAWOT 2 4 XL 4020 8221 611 AN 6 A uenbaJJ 5 48 38 TK 2202 2206 KSC 31 KNB 29N 10 KSC 31 RAPID CHARGER External View Specifications Charging 850mA 5 Charging time KNB 29N Approx 180 minutes KNB 30A Approx 120 minutes Dimensions Charger only 86 3W x 46 2H x 100 0D mm 3 3 8W x 1 7 8H x 4D inches Weight Charger only Approx 100g 0 22 105 KNB 30A Ni Cd BATTERY PACK B External View Specifications Voltage 7 2 1 2V x 6 Battery capacity 1100mAh Schematic Diagram DISCHARGING TERMINALS Breaker 759C N AN 75 2 Thermistor Diode AXIAL LEADED 9 4 INDUCTOR C CHARGING TERMINALS KNB 29N Ni MH BATTERY PACK External View Specifications Voltage 7 2N 1 2V x 6 Battery capacity 1500mAh Schematic Diagram DISCHARGING TERMINALS
57. uning cable EIE E30 3216 05 Fig 1 4 Clone Mode 4 1 Outline Clone Mode copies the transceiver data to another transceiver The dealer can copy the transceiver data to another transceiver even without the use of a personal computer 4 2 Example The transceiver can copy the programming data to one or more transceivers via RF communication The clone master and clone slave s must be in Clone mode 4 3 Operation l To switch the clone slave s to Clone mode press and hold the PTT and side2 keys while turning the transceiver power ON 2 Wait for 2 seconds The LED will light orange and the transceiver will announce Clone 3 Select a channel table number using Sidel increment channel table and Side2 decrement channnel table keys TK 2202 2206 REALIGNMENT 4 To switch the clone master to Clone mode press and hold Clone Frequency Table the PTT and side2 keys while turning the transceiver Operating Frequency power ON Clone M Hz 136 174 5 Wait for 2 seconds The LED will light orange and the Frequency Table transceiver will announce Clone 136 000 6 Select the same channel table number as the clone slave s 138 000 7 Press PTT on the clone master to begin data transmission 140 000 When the clone slave starts to receive data the LED will TOR light green 1 46 000 When the clone master finishes sending data a 148 000 confirmation tone will sound 150 000 If data transmission fa
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TK 2202/2206