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TK-2180 - Multiradio SA

Contents

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4. gt p R 0V MOD m w m m pu m m m m m m m m N sr sr Dan Tore ANTSW 2 bw mm mmm w a wam em maa mmm w E E E roa SCA D 2 s Ski x c
5. 5T DSW APCSW 5 5C R 7 49V INTSW 7 8 DM 0502 S DETECTOR SSM3KIBTE ox 16505 R 0V S DET TC7WS3FK T 0 13V C734 22 2 IL 275 5 AUX OFF 4 95V x 5 E E 4700 E S 2716 DT AUX Key CPU DGND 2 CPU VEC KE SE DTRLOAD 812 abe Tk 2 SID 8 8 255 E 10 41 Bal 10 SIE 1k Kanz 5 EI 330 E ECH 758 47k RD 5 LWR z R510 3 SCH 9 47k CP519 CP606 102 1 65 72
6. i i 1 4 SB1 1 HI i 0621 5 VOL DC 0401 IC400 H 2SC4649 N P SW SSM3K15TE XC61CC5602NR d ew SHIFT MODEL NF 11 IC504 il 24256 105127 D404 0407 28 1830 402 409 i ii 0500 ERROM 25111 0408 25 1955 XC6204B502MR JSRTERAUD ii MA2S111 X500 SB2 5c sw AVR 1 i ii D501 502 IC503 TS PROTECT 582 0502 i li 188388 SSM3KISTE T 1 1 Ir sm CHARGE 2 BAVTEVE SW SBC 1 400 i ps H i INTRA e NT XC6204B502MR FUSE i IC502 RST RESET IC405 5C AVR k 1 4 Ve 0O Rtl H 30625MGP SW S 80942CNNBG9C T BATT i i MICROPROCESSOR K 0409 1 401 7 5 IC500 A2 D2 251347 TK11250CUCB 9 ij rele BCNS AVR ccc 4 ii
7. TO TX RX UNIT CN500 B38 0900 05 X54 3470 11 E rc 257 ee ee E a G a U M H U CP501 1 2 i 8563 1k R564 tk CP503 1k 2 I A B C D 5 5 o S505 5506 5511 5516 a 4 3 S 8 1 504 KEY CONTROL 162 1 R565 1k CN508 R566 C522 40 6413 05 4 4 5 1000 C524 4 7 16 KEY _ 2 565 Fu 1 2 3 So PROCESSOR 555 I 77 o o 2 1 500 Ee i C564 0 4 S507 S512 S517 BU2099FV C563 a 1000p e e 77 4 5 6 9 0 el o C557 4 470p o 0 5 X C556
8. MOD TO 1 5T DSW i DSW APCSW APCSW I TMP D10 R39 1SV323 22 RF R 2 03V m 28 508 52 013 T2 8V TXIRXRFSW 10 ols ROV RF BUFFER 28 5108 C68 D100 18 323 s 010 C62 a mm mm _ 25 5108 10 5 277 gla m C53 P o orn ors m m el jm eg Rei 33 15 amp ats 85 8 8 5 0 5p B 5 SES 255 S 3 8 amp 8 1 o se E 529 819 8 878 A ei e 5 41 eT 57 ond g gt g 8 e c x m ota 2 VV 0521041 MODULATOR SW TX VCO ast FREQUENCY R 0V 281547 CONTROL TXVCO wl lt 8 ny 8 28 2 e Le R26 C34 R27 R30 R35 121 jp we AE F 8 glg
9. 5T DSW DSW APCSW APCSW 5 ase 58 noe RZ Fase T R SHIFT m 458 49 R 4 73V C7 C28 T 4 88V FIN FILTER TI K 1 SHIFT SW 1000 HVC131 I 92 HVC131 1000p p T R SHIFT PLLIC 44 F_IN T R SHIFT E T R SHIFT ey D2 017 15 04 T L87V Kt 1 2 p HVC131 470p 2p B n 470p HVC131 m Qt Nex ctc D DTC144EE 255 ORS ts ore 18 esx ase FIN FILTER 8 2 855 25 SHIFT SW 8 Ts xi E S A 16 8MHz 177 1952 05 Ass R51 R21 Le 0 560 R14 i TSN DEn 4 11 7 10 8 m 525 225 815 815 Le 815 end 10 25 PLL SYSTEM 5 R5 7 R53 TMP 1 L 5 D 5R PROTECTOR C215 ala IgE SE 923 el afg 2 C209 n Sis nto 855 687 2 amp 172 1013 05 EE a pOH 835 58 8 4 8 ez TT NARROW T 5R CF201 I 5 172 1014 05 m 558 5 2 x STE WNFILTER 84 gt 829 RI
10. 7 5 0403 R 7 48V y 382 SW 1955 TIT A6V F53 0324 05 8 3 SS 2 REVERSE 157 VOLTAGE DETECTOR RESET s PROTECTION 5 1 5M IC405 RESET S 80942CNNBG9C PSW d INT Q402 28 1830 8 8 8 0 Sla 3 8 OTS 1 S DET al VOLTAGE REGULATOR 2 VOLTAGE REGULATOR 5V wan ol 82828 e 10403 TK11250CUCB 255 T XC6204B502MR 5 592 1 R 4 76V R 5 00V I T 0 13V T 5 11V CN400 D E40 6452 05 401405 ST SW 251347 10 5M 222 254347 0406 R 5 00V IC404 Mex 4 5R SW 25 1955 225354 TO7SS51FE 0 13 328 825 8 zee 5T CONTROL 555 D408 4 97V n 55 39 25111 T 0 13V 199 0404 8427 5 0 144 STS 47k 4 1 4 5RSW 5T CONTROL 547 ENZ R 0V 2 3 EN4 5R T 5 07V 4 EN3 2 INT 1 1 1 IC401 Rov VR SW R31 0617 05 222222 VOLTAGE REGULATOR 57 4250CUCB 31 81 SERISIEIE 238 CH SW S60 0415 05 5 5 555 28 Q401 H SSM3K15TE 858885 ots 1824 T 4 88V 8407 nr I T 680k Hr Sep VOLTAGE REGULATOR 5 R 4 98V L LR gue 09V T D
11. TK 2180 TX RX UNIT X57 6932 71 Ref No Address Parts No Description PARTS LIST Desti nation Address Description Desti nation R428 R430 R500 R504 R505 R506 R507 R508 510 R511 R512 R513 R514 R515 R516 517 R518 R519 R520 R521 R522 R523 524 R525 R526 R527 R528 R600 R601 R603 R604 R605 R606 628 629 631 635 636 637 638 RK73HB1J124J RK73HB1J103J R92 1368 05 R92 1368 05 RK73HB1J R92 1368 RK73HB1J RK73HB1J R92 1368 RK73HB1J RK73H RK73H RK73H RK73H RK73H RK73HB RK73HB1J103J RK73HH1J272D RK73HH1J512D R92 1368 05 RK73HB1J102J R92 1252 05 RK73HB1J473J RK73HB1J474J RK73HB1J684J RK73HB1J R92 1368 RK73HB1J RK73HB1J RK73HB1J RK73H RK73H RK73H RK73H RK73H R92 1368 RK73HB1J RK73HB1J R92 1368 RK73HB1J RK73HB1J R92 1368 RK73HB1J RK73HB1J RK73HB1J R92 1368 RK73HB RK73H RK73H RK73H RK73H RK73H RK73H RK73H RK73H RK73H RK73H RK73H RK73H RK73HB 120K J 10K J 0 OHM 0 47 0 OHM 470 47 0 47 1 0 4 7 47 1 0 15 470 10 2 7K 5 1K 0 OHM 1 0K 0 OHM 47K 470K 680K 390K 0 OHM 180K 39K 180K 22K 673 674 675 689 691 692 693 694 695 R696 R697 R698 R699 R700 R701 R702 703 R704 R70
12. Address Ref No 8 a NZONZSstOoOopseo RSSI a x99 Po 5 INH CN600 DIA E20 lt E 446252866 RXO 8765 8 5 5 RXEI E SB2 B 8659 8755 a GND Reset 2 OPT2 RXEO TXO STON RXI TXD MDSW Address Ref No Address Ref No CF200 a TXD1 022 CH j8g Address Ref No N o 25 Berg ez gx Eells e a Re zm cn Sp E B a C200 0200 3 4 ESEE C234 o 836 E d D3 Je D CF201 a 72 Ji 124 1523 073 R28 Lol gt 676 077 1826 1 Z r DI BEI rees ORO Oe el Pg 2 sesh Em Rat 5 e ol 581 22 g 1 R20 Ts 2 5S RD ei G 06 mim C46 5 J K L M N P 5 2180 2 v TX RX UNIT X57 6932 71 Foil side view J72 0919 29 O
13. 63 5 32 EE 63 SPECIFICATIONS BACK COVER This product uses Lead Free TK 2180 GENERAL SYSTEM SET UP INTRODUCTION SCOPE OF THIS MANUAL This manual is intended for use by experienced techni cians familiar with similar types of commercial grade commu nications equipment lt contains all required service informa tion 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 informa tion 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 re quired component for proper identification SYSTEM SET UP Merchandise received Choose the type of transceiver Transceiver programming YES Are you using the optional antenna PERSONAL SAFETY The following precautions are recommended for personal safety DO NOT transmit until all RF connectors are verified se cure and any open connectors are properly terminated SHUT OFF and DO NOT operate this equipment near elec trical blasting caps or in an explosive atmosphere This equipment should b
14. SS 88 ELE 5 56 5 8 5698 6 92 95 5 gt 1 ide o 0406 8025 6073 9690 7690191 8692 oot 5 69 1 8 5 T ES 9828 5555 6995 599 B EL port Ea 5070 GE 8090 D402 u e EIER ges 10 Component side Layer 1 Layer 2 11 Layer 3 Layer 4 Layer 5 Layer 6 Foil side 12 13 o o 2 lt 5 2 o o lt o 2 cc o o o 5 lt cc o o 2 lt 2 cc o o o 2 lt o cc o o 2 5 lt o cc 14 10 11 12 13 14 D 10 11 12 13 14 2180 pcsoarp TX RX UNIT X57 6932 71 Foil side view J72 0919 29 48 CN503
15. n m 5 e 1 Res 293 e Component side Layer 1 Layer 2 Layer 3 11 Layer 4 Layer 5 Layer 6 Foil side 49 A o N e 5 h T CN Q N 5 1 gt 2 gt 5 2 5 EI 55281 ea 2828 7 E gt 6020 101 8928 Su m e st 10 m BE E E d Ir SIM 512820 zt gt gt gt gt gt gt 5 rane MI 0 PSL 941 Bl Sg B 5519 9978 0220 ec uev 8 8 9 22 6129 9829 Iec
16. 56 n Narrow Adjustment value 1 256 s Wide4k Adjustment item w Wide 5k Key operation Key Function Push Hold 1 second S End of panel tuning mod e A To enter 3 or 5 reference level adjustments B Writes the adjustment value C Go to next adjustment item Back to last adjustment item Selector Adjustment value up dow n Volume Volume level up down Side1 Squelch on off Side2 Selects Narrow Wide 4k Wide 5k or 5 reference level adjustments frequency Tuning point RX MHz TX MHz Low 136 05000 136 10000 Low 145 55000 145 60000 Center 155 05000 155 10000 High 164 55000 164 60000 High 173 95000 173 90000 Adjustment item and Display 1 256 Adjustment item Display Frequency Shift 1 SHFT1 Shift 2 SHFT2 High power HPWR Low power LPWR Balance BAL Max deviation DEV VOX 1 VOX 10 VOX10 OT OT DOT DOT LTR LTR DTMF DTMF MSK MSK Sensitivity 1 SENS1 Sensitivity 2 SENS2
17. C ELEMENT ODE ODE 05 05 05 TRANSISTOR TRANSISTOR FET FET TX RX UNIT X57 6932 71 B30 2278 05 CK73HB1H102K CC73HCH1H100C CK73HB1C103K CC73HCH1H100C CK73HB1H102K CK73HB1H471K CK73HB1H102K CC73HCH1H390G CC73HCH1H220G CC73HCH1H040B CC73HCH1H020B CK73HB1H102K CK73HB1H471K CK73HB1H102K CK73HB1C223K CC73HCH1H390G CC73HCH1H180G 92 0001 05 CC73HCH1H070B 92 0003 05 CK73HB1H471K LED RED YELLOW IPC 1000PF IPC 10PF IPC 0 010UF IPC 10 1000 470 IPC IPC EEN IPC 4 0PF IPC 2 0PF IPC 1000PF IPC 470 0 022UF IPC 39PF IPC 18PF IP TAN 0 1UF IPC 7 0PF 0 47UF IPC 470PF CK73HB1H102K CK73HB1H471K 92 0001 05 CC73HCH1H101J CK73GB0J475K CC73HCH1H820J CC73HCH1H110J CC73HCH1H330J CC73HCH1H070D CC73HCH1HR75C CC73HCH1H070B CC73HCH1H080B CC73HCH1H110J C B CC73HCH1H150G CK73GB1H103K 92 0784 05 CC73HCH1HOR5B CK73HB1H102K CK73HB1H102K 92 0838 05 CK73HB1H102K 1H330J 1 050 1H150J H102K 1 100 471 1H101J H222K 471 102 102 H1H470J H102K 104 H1H390G H102K 1 1008 102 104 H1H100C H1H101J E105K 471 05 102 B0J105K H102K 1H101J 471 1 100 102 C103K H102K CK73GB1C104K CK73GB1E105K
18. SPOUT SPOUT 47k e 2 DGND 9 TR T R DMUTE DMUTE SPOUT 77 8 DMUTE 5 5 8 AGND Be DT DT m m m m m m m m m See 5 5 DT em m m m m m m m m um m m m m m m m um um ju mu um um um um um Um Um Um m m m m m m m m m m m m 5 USEL 7 LcbRS DT DT 4 I m m m m m m m m m m m m m m m m m m mm momo em nm em mm sm m sm m m m m gt BONS 1 d n m m mm mm nu ml s s m m sss Lem en pt et pt e mm er m m mM nee m m m m m n m m m m m m m m m m m m m m m m m SC 5CNS am am um m m mp m m m m m m 9 um m k gt oro SVO m m m m d T T E ABOVE pawa 6 T LEVEL BU SONS VEL SS pus 5R APCHV2 2 2 zer yg RXD NC 5 8 SCH 3055 SENS SR SR 2 APC TV2 B HXD TXD TXD 5H 5H B RXD RXD TXD TXD Y 5H SEC 2 2 B B Ex Sen BXDI RXDi TXDi 4 9 SBC SEC E B d SI vm DOND CPU DGND CPU DGND TXD1 1 B RXD TXD TXD RXD1 RXD1 CPU DGND oes VOL VOL
19. TX RX UNIT X57 6932 71 Component side view J72 0919 29 Ei 24 Ee 0024 El 0 25 A TK 2180 pc 2180 TX RX UNIT X57 6932 71 Component side view J72 0919 29 TX RX UNIT X57 6932 71 Component side view J72 0919 29 7051 0089 test 2058 2923 ak 8 15 01 88 55 E e TS B 1080 0080 Ed a zz 108 5089 J 152 Eng 021 SES 3690 15 Si 2 IR 0228 62 0878 61642 25221 8052 7158 n4 5 R772 009X e ko R700 R696 C677 ke 8 7 1 es 65 S 00 e lt lt Jor ES 6998683 R699 5 CH C676 19 5 Trin f 102 g 5 ES 10985 9 053 111111111111111 16 m E 20943 20940 2 Gg 1 8094 HE Jer eet Jes
20. 0522 t 81 1 wi 2 E 7 __ 21 __ mi ang EN D 9 L d DEN D 10 11 12 13 14 COM NES 2180 PcBoanD TX RX UNIT X57 6932 71 Component side view J72 0919 29 400 ORG 46 AUX 722 703 472 0919 29 435 n 8 8607 R752 8 8604 is 8792 R713 Address Ref No 8 211 212 8 SSS Je E amp j C21 5 D R412 F400 C405 5 D405 mpsw 0403 2 R407 lt 0402 0416 _ 10605 R709 8214 8 5 e 1 8225 Sra 6207 6606 1 601 mod 05 4 1 5 C605 8 es C203 d He 2 8 EE ER 5 66127 E SIE ES 3 R617 gel SE R430 5 E 1
21. LEDR TXD TXD AXDI CPU DGND 5M 5M LEUR TEDA LEDA CPU DGND CPU DGND DONO SEH 5M SM LEDG LEDG LEDG 2 5M 5 GEI K 5M 5M OPTI 1 dE CLK CLK b2 iis SPSTE SPSTB SPSTB 8 SE 2 CN600 8 gt 5 E40 6389 05 E e 5 BS m 23 8 55 55 9 2 55 2 y I J 1 E a g a 55 9 o9 nz _ ee 25 TK 2180 BLOCK DIAGRAM i i i LCD ASSY i i i 1 H 4 mamas i i i i D608 11 ii TEMP i 015AZ6 8 T ii ii i 613 DA221 ii i i
22. 1 402 4 5M PROTECTOR XC62048502MR 5M 0408 e SCNS 0405 2SA1955 A 238 A RED amp GREEN RB5218 30 i eL o SL g 1 0400 Se DG r Sl J amp 05 5 8 SW SW B30 2278 05 D404 R 4 79V 4 5 09 LEVEL a CONTROL 85 0407 xL 25 1830 gx San LED SW TE OS GREEN or RED WA 0400 UMGSN ds 155301 1 532 S45 5M CONTROL POWER SW Y res 400 CONTROL k k IC400 5 216 XC61CC5602NR VOLTAGE DETECTOR INT gas A C500 9812 1 41501 CN500 E40 6413 05 10u16 SAVE 5 5M LCDRST LCDCS I o DGND al el a S Ses 3 OTSOTSOTSOTS D o iD FLASH MEMORY z 410500 o AT29C040A 90TU o 2 DATA 5 CPU DGND gt CLK lt SPSTB 6771 e ik a MIC mm um um um m um s s m m 6 ES PTT AGND LCDRS LCDRS d DT DT 5 m m um em momo mom m m E BATT LEVEL LEVEL 8 5CNS 5CNS 5 5R SR SBC SBC B B VOL VOL LEDR LEDR LEDG LEDG CLK CLK SPSTB SPSTB m z m 5 52 57 693 1 8 TX RX UNIT X57 6932 71 H J SCHEMATIC DIAGRAM K 2180
23. 1982 10849 222 5210 574 592 9790 IS SIS M Tosa pa 15 ee 6595 969 0 ES AB gn eg 90901 fe 22 Iessen IZ S E Bis Pe ep R803 el ES 8676 9 55 a R804 C647 43 0605 6 1 R680 Ki E 91 2 21111 699 R660 6644 El C635 E R663 642 Gi R C620 jac e 5 EZ el 0028 08 02 0290 Gi GG LP a C669 ES 2274 a 2024 0024 el 71 9 E 216 R218 207 472 0919 29 2070 OH SiT wag 0122 5 mee 29 R685 10204 R217 8642 5 H 1C604 8 1 621 be AI 22 i bel 713 R638 C627 R637 635 e joc C417 125557 1C405 Ei ei lt 1579 437 S e EE 6073 12 739 1 605 c e 5992 65 2 gaa rea
24. 28 229 Flg R516 5 72 413 Q621 o2x 8 5 5 85 1k 2SC4649 N P 825 BEAT SHIFT SW INTRA INTRA Y DSTB DSTB WIN 2 HSDOUT LSDIN THP VCOADJ ASQL DMUTE 3 V m A m um m m m s x x x x GP pud CHANG T zm 5CNS SR 55 APC TVZ APC TV2 B B TXD TXD RXD1 RXD1 CPU DGND 5M un CLK 1 STON 54 X57 693 3 8 TX RX UNIT X57 6932 71 R T SCHEMATIC DIAGRAM K 2180 apun m an am m m TE 5T DSW DSW APCSW APCSW 5 5 TCXO RXAFI 25
25. Item Condition ADJUSTMENT Measurement Adjustment Test equipment Unit Terminal Parts Method TK 2180 Specifications Remarks Wide 4k 3 Adj item s SOL Adjust exe SSG output 118dBm 0 28uV MOD 1kHz 2 4kHz Adj item sL SOL gt sC SOL gt sH SOLI Adjust Wide 5k 5 Adj item w SOL Adjust SSG output 118dBm 0 28 MOD 1kHz 3 0kHz 6 Adj item wL SOL gt wC SOL gt WH SOL Adjust sex Low RSSI adjust Narrow 1 Adj item n LRSSI Adjust exe SSG output 118dBm 0 28uV MOD 1kHz 1 5kHz 2 Adj item nL LRSSI gt nC LRSSI 2 nH LRSSI Adjust Wide 4k 3 Adj item s 8551 Adjust SSG output 118dBm 0 28 MOD 1kHz 2 4kHz 4 Adj item 51 LRSSI sC LRSSI 5 sH LRSSI Adjust Wide 5k 5 Adj item w LRSSI Adjust pex SSG output 118dBm 0 28 MOD 1kHz 3 0kHz 6 Adj item wL LRSSI gt wC LRSSI 2 WH 8551 Adjust Squelch Tight adjust Narrow 1 Adj item SOLT Adjust SSG output 113dBm 0 5uV MOD 1kHz 1 5kHz 2 Adj nL SOLT gt nC SOLT gt nH SOLT Adjust Wide 4k 3 Adj item s SOLT Adjust SSG output 113dBm 0 5 MOD 1 2 2 4 2 4 Adj item sL SOLT
26. Narrow SSG output 70dBm MOD 1kHz 1 5kHz 2 Adj item nL HRSSI gt nC HRSSI 2 nH HRSSI Adjust e Wide 3 Adj item s HRSSI Adjust SSG output 70dBm MOD 1 2 2 4 2 4 Adj item 51 HRSSI sC HRSSI sH HRSSI Adjust Wide 5k 5 Adj item w HRSSI Adjust SSG output 70dBm MOD 1kHz 3 0kHz 6 Adj item wL HRSSI gt wC HRSSI gt wH HRSSI Adjust Adjustment Points TX RX unit Foil side view TC1 TC2 38 TK 2180 TERMINAL FUNCTION Display unit X54 3470 11 Function Function Non connection CN507 Power input after power switch Key matrix output Side2 key Non connection Key matrix input Side key GND GND LCD chip select input PTT input LCD reset input Key matrix output Side1 key CN508 Non connection LCD driving voltage output DV TX RX unit X57 6932 71 Function GND Step up voltage input Power input after power switch Step up capacitor connecting terminal Power output after passing through the fuse Step up capacitor connecting terminal Encoder pulse input Step up capacitor connecting terminal Encoder pulse input Step up capacitor connecting terminal GND Voltage
27. R695 10k I N R 4 97V BIS 542 T 0 14V T 8691 C679 5 MIC AGC ER DETECTOR Q606 5 MMUTE SW 0601 804738 8 958 RB706F 40 m 2218 8681 R692 C680 R739 D 1k 82k 180k 278 sp T ME R 4 92V g 2 2 T 5 09V 5 AESW T 3 IC606 STSW TC7W53FK DETECTOR D602 E scar SIDE TONE SW SIDE TONE SW 2SA1832 GR 0620 CoMMoN 50650 R666 1M MIC AGC DTA144TE 1 INH 619 _ 25 243 Be cost R667 390k 0766 120k oi TXI 8 2 of 5 C658 2 217 ais 677 eio 22k m 22x 7 FILTERO SAS 250 SW BSS 2 1 OTS EC ig MoD C729 330p m m m mp 9 L 8753 754 3 eu e 5 8 28 Vols sl 7 1 RXEI a RIS 588 28 9 9 2 8 BEEP gt BS 666 R683 C670 150k R803 1 el 5 s e 8 5 DEO EXTLIMIN R698 AUDIO 9 R802 PROCESSOR 8 9 2 2203 lt C636 9 1607 2 STs 8 1 LIMIT SW 801 3 DTA114EE R 5 0V 0 8 RJ 5 700 R701 iix go 8825 ILS 180k 180k FRE 22k R648 ee 878 LSDLPF 8 R 4 99V 100k gee Bex 2352 8 e z s e z
28. TX RX UNIT X57 6932 71 D106 D106 107 ANT SW 1 CN13 152 1111 1112 1113 R150 CN604 CN603 E23 1262 05 E23 1263 05 Icd SP CN602 40 6453 05 14 13 UNIVERSAL CONNECTOR AF POWER IC609 TDA7053AT SP CONTROL GND O O RXEI O RXEI O TXO O RXI O RXO O AFGND 4 4 1 TXI O TXI TCONT STON PAN STON 5M iud 882 5A O 5A INH INH DV ANI O DIA O O 5 O OPTS O 2 oPr2 RSSI O RSSI 1612 TXD1 TxD1 O 1 LAM MDSW R765 GND 0 91607 R723 H A R781 47 8 S F602 D613 F53 0315 05 SB2 26 DA221 Bis D SB2 4 SSW CONTROL aye 5 ME sH OPT6 25 1602 R720 T 24 PTT H Dd 41603 717 100 RX
29. 0505 1 25 144 CONTRAST CONTROL 8574 R547 R545 R546 R544 0 22k 470 0 27k D 180k 4 3 51V 825 2 I 8579 LCDRS 330 R578 2 IC502 330 HD74LV2G34AUS 878 12503 HD74LV2G34AUS LCD CONTROL R577 DATA 330 8576 LCDCS SIDE KEY 2848 30 wo SECTION LCD CONTROL CN507 2 40 6410 05 swi swi swi 1 1 LA GND GND 1 ii I K1 o Sw2 swe swe 1 F H Uer J SCHEMATIC DIAGRAM K 2180 DISPLAY UNIT X54 3470 11 CP501 1 2 1 563 1k R564 Ar CP503 1K2 B D mo o 0 o I S505 S506 S511 S516 8 8 2 8 504 KEY CONTROL 1k 2 5 R565 1k R566 1k C522 11 5 1000 1 KEY I 1 2 3 PR
30. 200 0206 0207 75 51 1 25 1824 144 r431136EN 25 4649 59 85MHz 35 318 35 294 1217 F AMP ist BPF i lt MUTE X SYSTEM MIXER f 1 25 243 1211 214 1215 216 1 i 0201 IC200 i SC4617 TA31136FN DMUTE W N SW 58 2 i NOISE NOISE M 9 i 1 1 lt WIN i CF200 i D201 D203 DAN222 y GF N DAN222 4 x L RF SW 5 0204 201 DTA144EE i 455kHz F W i x 3221 1 X200 CD200 i Q200 59 395MHz 455kHz HN1L02FU i gt sw i 1 T o C 1 1 61 TK 2180 LEVEL DIAGRAM OCH 921 5 20 S 0010 SOLO 7010 LOLO Buijdnoo 400001 e esn uonoes 44 eui JY 120uuo2 101295 Jy 991 ui sjuauleJnseauu 9 ugpo vi SuLAUQZL k gt AAG indui JIN 34 0119 sl DY A 90921 10921 80901 9090 97 5 7 vnov id SUUAU9Z SUJAUE Lj 22 SUJAULZL SUHAUS ZL ZHAL 3 60921 S0991 9683 i s IN31SAS ul AAUJ00S 109 3 00221 290 QVNIS 0 pasinbas DSS 94 smous ejds
31. 270k R 4 19V DC SW RX VCO STR 256 0 18 a Hs R38 25 347 E D9 13 22 pes TX RX FREQUENCY ors SA sw CONTROL T RXVCO VCO RX Q6 L206 1207 110 013 C39 28 508 2 w 11 BS 2SK1830 39n 39n u 15325 33p DC SW RXVCO C240 C244 1 It ST oat 2p B 1 5p B RIPPLE FILTER o eta C54 gre 8 8 arg Sta st 8 1 011 g 2 eT gso 0 5 2 25046176 8 i ols 83 one 8 5 AES 22 o o Sr n 5 5448 8425 8 8 gt A CURRENT Sei E x 885 Saa 2 STEERING 925 S gee are TMP TR T R H Rx L Tx 5 1 R 4 75V 18V 5R 2 ol Yaa o 2 9 g eg 90 are 825 5253 5 4 lt da olg r ale sei Z 383 Be 878 a on mex mox XF200 gaS 559 Jm I I 525 BSS MAL mm 88513208 gta 888 E L71 0622 05 T 0 17V R 2 90V 207 208 232 RF BPF TUNING C255 C260 0 01u Q206 C250 8243 3SK318 1000 0 4p B 858 p B C275 R265 8 5 4 5p B 0 Jex 55 HE 3 4 4 2 522 aye 8255 I 4 4 100k EN at 87887 SPOUT SPOUT m mM m Ben pa m en db eee mm em um em em em em em em em e e em em e e M 5CNS 5CNS TV 2 APC TV2 B B HXD TXD x RXD1 CPU DGND CPU DGND 5
32. 45V 2 Key matrix 2 input Address bus 8 TXD1 TXD1 and PTT SC20 460 DGND Vss M Vcc1 45V Address bus 7 0 RXD1 RXD1 PTT input DGND DGND Vss BB RDF FD 13 TK 2180 SEMICONDUCTOR DATA COMPONENTS DESCRIPTION 14 Port Name Function 98 TCLK DTRDO BB TCLK and DTRDO 99 SAVE Save 100 T R TX RX switch 101 AM1 AF PA switch 102 LCDRS LCDRS 103 SSW EXT INT SP switch input 104 111 07 00 Data bus 7 0 112 DT Serial data 113 CK Serial clock 114 W N Wide Narrow switch 115 119 OPT 1 5 Option boad 1 5 120 BATTSEL VOX BATT select and VOX input 121 ADJ Thermal detect and VCO adjust 122 VOL Volume level input 123 PF PF key in 124 ASQ RX Analog SO input 125 RSSI RX RSSI input 126 BATT LVL BATT level 127 AGND DGND Vss 128 LSDIN Key Processor BU2099FV Display unit 500 Port Name Low speed data input Function Vss NC Serial data input Serial clock input Storage enable input LCD back light control Key matrix output NC NC NC LCDRST 5V Display
33. Clone mode Uses to transfer programming data from one radio to another Firmware version Uses to confirm the internal firmware information version Clock adjustment mode Used by dealer to adjust date and time 2 How to Enter Each Mode Mode Operation Power ON Power ON Received commands from PC User mode Panel test mode PC mode Panel tuning mode Panel test mode S Firmware programming mode S Power ON B Power ON Side1 Power ON Power ON Clone mode Firmware version information Clock adjustment mode 3 Panel Test Mode Setting method refer to ADJUSTMENT 4 Panel Tuning Mode Setting method refer to ADJUSTMENT 5 PC Mode 5 1 Preface The transceiver is programmed by using a personal com puter programming interface KPG 36 and programming software KPG 92D The programming software can be used with an IBM PC or compatible Figure 1 shows the setup of an IBM PC for programming Fig 1 TK 2180 REALIGNMENT 5 2 Connection procedure 1 Connect the transceiver to the personal computer with the interface cable 2 When the POWER switch on user mode can be entered immediately When PC sends command the radio enter PC mode and PROGRAM is displayed on the LCD When data transmitting from transceiver the red LED is lights When data receiving to transceiver the green LED is lights Note d
34. SPF 8PF 22PF 0 10UF 0 010UF 0 022UF 1000PF A0UF 010UF 10UF 800PF 0 0 0 1 0 CK73HB1 CC73GCH CK73HB1 CC73HCH CC73HCH 92 0784 CK73HB1 CK73HB1 CK73H CK73H CK73 CK73 CC73 CC73 CC73 CC73 CK73 CC73 CC73 CC73 CC73 CK73 CC73 H102K 020 102 H470J 010 CC73 CK73 CK73 CK73 CK73 CK73 CK73 CC73 CK73H CK73F CK73 CK73 CK73HB CK73GB CK73GB CK73GB CK73GB 92 0852 0 CK73HB CK73GB CC73HCH CK73GB CK73H CK73G CK73H 92 08 CK73H CC73RC CK73GB CK73GB CC73RC CK73HB CK73GB CK73GB CK73GB CK73HB CC73HCH E E H470J 000 2 0 000 47 4 7UF 000 000 470PF 8 0 1000PF 100PF 33PF 0 22UF 0 010UF 000 470PF 0 010UF 470PF Address Parts No Description PARTS LIST Desti nation Address Parts No TK 2180 TX RX UNIT X57 6932 71 Description Desti nation CK73HB1H471K CK73HB1E472K CK73GB0J475K CK73GB1E104K 92 0852 05 92 0852 05 CK73GB1E105K CK73GB1E105K CC73HCH1H270J CC73HCH1H040C CC73HCH1H270J CK73HB1C103K CK73HB1C103K CC73HCH1H150G CK73HB1C103K CK73HB1A104K CK73HB0J105K CK73HB1A104K CC73HCH1H220J CK73HB1A104K CK73HB1E472K CC73HCH1H680J CK73HB1A
35. Ve e C AGR er tie oan S 75 0403 sr 5T ST i DSW DSW AEN CU APCSW APCSW p y CNI3 5 TMP e L400 F400 582 SW 1955 5T St DSW DSW Ee APCSW AFCSW t REIS 1000 CN604 CN603 BATT 4 F N T t APCSW APCSW 5C 5C 50 Sig TX DRIVE Seef EE E23 1262 05 E23 1263 05 2 230 Sas 205 ela F53 0324 05 8 E lt 5C 5C 7 7 ES gis HE adv 2102 R104 ab 1106 Qus 618 5 2 TSO TS 5 S REVERSE 8431 VOLTAGE DETECTOR RESET TCXO TCXO iS 8 PRE DRIVE T 5 10V 1 33 25 2596 1000p 0 X 1 ziel 4 PROTECTION 325 SM t x Sec 10 VCO TX R39 s ES eds 518 ela BATT 1 405 M E 25 25 238 18 323 07 M SE R 2 03V R 0V 9101 T 2 47V ore 5T amp T 5 6 K 2 9 4 96 Sac gw 5 80942CNNBG9C PSW MMUTE MMUTE SHIFT 8 8 19 25 508 52 Q13 T 2 28V TX RX RF SW 28 39p 0 1000 N 2ta N Ld INT INT MMUTE MMUTE 37 R 4 73V IK RF BUFFER AMP ete 2805108 Y ces D100 C101 R103 TX FINAL 54 0402 5M C7 Di 4 C28 4 88V 100 011 elg mov og 8 gt 128 S 845 912 ROV 77 R400 25 1830 FIN FILTER it K 1 1H Pt 1 1 323 C62 C64 1000 0 pes st 8 82n S 2SC5108 Y 10p HSC277 5 T 1 00V 1 I SHIFT SW 1000p HVC131
36. Wide 5k 5 0kHz at 25kHz Wide 4k 4 0kHz at 20kHz Narrow 2 5kHz at 12 5kHz SPURIOUS amp EE 36dBm lt 1GHz 30dBm gt 1GHz Wide 5k 45 Wide Ak 45 Narrow 4088 Modulation distortion Less 3 KENWOOD CORPORATION 2967 3 Ishikawa machi Hachioji shi Tokyo 192 8525 Japan KENWOOD U S A CORPORATION P O BOX 22745 2201 East Dominguez Street Long Beach CA 90801 5745 U S A KENWOOD ELECTRONICS CANADA INC 6070 Kestrel Road Mississauga Ontario Canada L5T 1S8 KENWOOD ELECTRONICS DEUTSCHLAND GMBH Rembr cker Str 15 63150 Heusenstamm Germany KENWOOD ELECTRONICS BELGIUM Leuvensesteenweg 248 J 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 Uithoorn The Netherlands KENWOOD ELECTRONICS ITALIA 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 ay KENWOOD ELECTRONICS SINGAPORE PTE LTD 1 Ang Mo Kio Street 63 Sing
37. sC SOLT gt sH SOLT Adjust SSG AF VIVM Oscilloscope Panel ANT Universal connector Selector After input signal knob from SSG press key That numeric will be stored in memory After adjusting SOL check SQL open close SSG 118dBm Open SSG OFF Close nC SOL MOD 1kHz 1 5kHz sC SOL MOD 1kHz 2 4kHz wC SOL MOD 1kHz 3 0kHz After input signal from SSG press B key That numeric will be stored in memory After input signal from SSG press B key That numeric will be stored in memory After adjusting SOL check SOL open close SSG 113dBm Open SSG OFF Close nC SOLT MOD 1kHz 1 5kHz sC SOLT MOD 1kHz 2 4kHz wC SOLT MOD 1kHz 3 0kHz TK 2180 ADJUSTMENT Measurement Adjustment Item Condition Test equipment Wide 5k 5 Adj item w SOLT SSG Panel Selector After input signal After adjusting SOL check Adjust kk knob SSG press B SOL open close SSG output 113dBm 0 5uV AF VIVM Universal key That numeric 556 113dBm Open MOD 1kHz 3 0kHz Oscilloscope connector will be stored in SSG OFF Close memory nC SOLT MOD 1kHz 1 5kHz 6 Adj item wL SOLT gt sC SOLT MOD 1kHz 2 4kHz SOLT gt WH SOLTI wC MOD 1kHz 3 0kHz Adjust Specifications Remarks Unit Terminal Parts Method High RSSI 1 Adj item n HRSSI adjust Adjust
38. MSK MSK signal is output from pin 6 of IC607 The signal passes through the D A converter IC605 for the MSK devia tion adjustment and is routed to the VCO When encoding MSK the microphone input signal is muted E Fig 11 Key input 1C602 1 2 Fig 12 Encode 11 TK 2180 12 CIRCUIT DESCRIPTION 7 2 Decode Low speed data OT DOT The demodulated signal from the IF IC IC200 is amplified by 1 600 1 2 and passes through a low pass filter C607 to remove audio components The signal is input to pin 128 of the CPU The CPU digitizes this signal performs processing such as DC restoration and decodes the signal High speed data The DTMF input signal from the IF IC 200 is amplified by 600 1 2 and goes to 607 the DTMF decoder The decoded information is then processed by the CPU During transmission and standby the DTMF IC is set to the power down mode 1 305 DTRLOAD STD DTRCLK DTRDO RF power amp 1 1 O 25A 1 1 1 d 1 402 High speed data 5 tone The demodulated signal from the IF IC IC200 is amplified by IC600 1 2 and passes through an audio processor 607 and amplifier 604 1 2 and comparator 604 2 2 to re move a low speed data The CPU digitizes this signal and decodes the signal The MSK input signal from the IF IC is amplified by IC600 1 2 and goes to pin 5 of IC607 The signal
39. Squelch SOL 11 Low RSSI 855 N e Squelch tight SOLT N High RSSI HRSSI Battery BATT Flow chart Note Adjustment of the LTR performs only K markets ADJUSTMENT 3 reference level Shift 1 adjustments 3 reference level Shift 2 gt adjustments A 5 ref level n leve High power adjustments L 5 reference level adi adjustments C Side2 Side2 Side2 Balance Narrow Balance Balance Wide iImr 3 reference level adjustments GE Wide 4k Side derat Wide 5k sia mwm I8 LEI 3 reference level p adjustments VOX 10 C Side2 Side2 Side2 Narrow T wide sk 2 3 A 3 reference level adjustments Side2 Side2 Side2 DOT Narrow Wide 4k Wide 5k C A C C 3 reference level adjustments LTR Narrow Skip it C Side2 Side2 Side2 Narrow ET prwrF Wide 992 T wide sk 1 982 IC C C Side2 Side2 Side2 MSK Narrow Wide 4k Wide 5k IC C Side2 Side2 Side2 Tone Narrow Tone Wide ak 24841 Tone Wide s Ire A 42 adjustment
40. e T 5 12V 925 638 9858 R 2 5V 1 go aye 2 54 SW BE E C673 e 3 ENEE 5 8 27 7675 CH lt a 5 CE g 1M x E a X600 R685 T 5 11V 27 57575 Wes 177 1976 05 47k e 0626 1 SPOUT Q625 2SC4649 N P STS 2SC4649 N P WIN 27p Bie 1 cot D 5 GE Q625 626 Lsw 24 8 BEATSHITSW VIVUS Lm m mm m mm m m m um m m m jJ m m mam mh iy m m m m m m m m AM2 HSDOUT 5RC LSDIN LSDIN THP VCOADJ THP VCOADJ ASQL ASQL TR TR DMUTE DMUTE DT i m m m m m m m m m m mm m Je m m _ 5H 5R APC TV2 APC TV2 B B TXD TXD RXDi RXD1 CPU DGND CPU DGND 5M 5M CLK 5 EI m 55 57 693 4 8 U OY w ZE Y TK 2180 SCHEMATIC DIAGRAM TX RX UNIT X57 6932 71 HU PORUM
41. 5 8 BEAT SHIFT SW 228 5 1 35 ars 0201 AUDIO OUT eig EE R742 el 1 a aT s D 58 Sai ES 58 CPU DGND CPU DGND 4 9815 BEAT SHIFT SW Jie 25 4617 5 R 1 00V AF MUTE BB 52 452 th Bos ARS eee Sts RXD CONTROL TXD CONTROL 555 5 oo 14 DATA t CPU DGND CPU DGND E H784 LSW LSW R 0 64V SQL NOISE AMP 0203 R 1 0V KEE SW el e ele 5A E INTRA m m m mm m amp 0 25V amp R766 4 14 1 ES 99 M 1 Mere DIE DSTB Ge L i omm m m m m m m m m jp e mm mm em T 0 95V 28 1824 T4 dV 1 R255 12 20803 21 Gren 761 gi gis AGND 13 lt SPSTB WN pu AM2 AM2 255 ane Ss 0204 echt Mi 198 R693 SS pes 22 22 SE 2 AM2 2 HSDOUT NSS Oks 0204 d 28 1830 CH 2 R771 BERBERS HSDOUT HSDOUT HSDOUT HSD ISBN SRC 8 Ee 019 DMUTE 28111 1 0 14 ars STSATS 823 1 105 251830 R768 ES AT 1k LSDIN LSDIN THP VCOADJ THP VCOADJ CONTROL K alsde SW o LSDIN LSDIN THP VCOADJ THP AVCOADJ ASQL 5 217 108 21 5 Sas 50715 744 100 AGND 10 a MIC gt s ss s 55 THP VCOADJ THP VCOADJ ASQL ASQL E 8 41 4 4 H ASQL ASQL TR TR i DMUTE 180k
42. Pnorecr PROTECT 0606 01542648 H MIC i Q614 i 0505 iL ii i 2SJ347 Q616 11 25 144 1C500 i UPA672T ilv ENEE gt SW MSW ii REGISTER il i li D522 i ssw li DA221 n d is 1 51 i 8 AVR PROTECT 16 i 0617 0612 615 2SC4617 S 11 i UPA672T SW IC609 0613 25 1132 0 2501 XC6201P352MR 5 1 TDA7053AT D607 015AZ2 4 X gr i kee 155513 S823 gt 5 BACK i SP 53 m AVR LIGHT N Li 1 gt 0618 ii TO li CHARGE IT 0501 25 4617 5 ih 25 1824 1 0502 2581132 0 8 DISPLAY UNIT i IC BE qc ur 1 pe TCONT 11 09 i SP 4 2 lt gt D400 0400 J v o n ssw 830 2278 05 n a si PF MANDOWN D604 SB2 Sw 2 1 lt PROTECT 4 SELECT VCO ADJ 015AZ6 8 S JE 2 SELECT sU 015 26 8 LEDR LEDG 5 4 gt NC 4 0622 717 D609 610 Dig i O623 2SK1830 DA221x2 IC601 I O624 2SK1830 PROTECT TC75W51FK i DC 0611 LSDO LPF gt SUM i O gt Aux 5CNS i sw NNCD6 8G AMP i IC600 9 1 75 51 2 2 1 602 TC75W51FK 2 2 gt C603 TC75W51FK 1 2 10609 C602 BUFF M62364FP ou 4 gt TC75WSTFK 1 2 RXD1 gt wi e I BUFF 25 4617 5 MI Je 2
43. o 2 o o o 5 lt o 2 227 89 o o e 5 e N z q 5 ur o o 2 lt ceo o 2 ec 9 cc LL 5 co 5 lt e re Q 2091 3 ec Lei 5 eo 25 6218 lt lt 2 5 Z0SN3 10 215 51 2 8 oe 5151 512 1 151518 2 5 YT 5 Z 2 oc LI 10 Hee T C ec ul E 80 SCHEMATIC DIAGRAM LCD ASSY B38 0900 05 TK 21 DISPLAY UNIT X54 3470 11 Siet 19 e 50 X54 347 1 2 L C500 470p 470p 2 CN508 40 6413 05 C524 4 7016 i C565 C564 5 1000p C563 1000 5 5 S 8 C557 470p 61000 208 RES C556 000 LOU 5 5 d c c zi osas REGULATOR LCD i IC50 55 d i XC6201P352MR 8573 470 49
44. p SWHAWEOL SMS LER SUMAUZ 440001 e esn uonoes 4 991 U 088 AJA 2 ZPPIL Indu LNY k gt k At JY 24 19090409 1011295 Jv sjueueJnseau ZHJL ZH1SSt Tul 2 26250 8223 Q 0422 dl WI 00221 9020 9020 SUUIAUIO UgPs 0L UgPs 8LL 20 8 ZHINS8 69 141 T 191082 JH d U01 99S J9AI929H 62 TK 2180 OPTIONAL ACCESSORIES KNB 31A Ni Cd 7 2V 1700mAh KNB 33L Li ion 7 4V 1700mAh KNB 32N Ni MH 7 2V 2500mAh E External view External view Internal wiring KNB 31A Internal wiring Discharge terminal side Discharge terminal side Li i i i E E EEIE T E Rear charge terminal side Rear charge terminal side KNB 32N Internal wiring KSC 32 Rapid charger Discharge terminal side E External view Rear charge terminal side 63 T K 2180 SPECIFICATIONS GENERAL Frequeney range EE 136 174 2 Number of channels ecc bee te tread ees Max 512 channels total per radio Zone Max 128 per radio Ch Max 250 per zone Channel Spacing RE Wide 5k 25kHz Wide 4k 20kHz Narrow 12 5kHz Battery voltage sine tede Een ide 7 5V DC 20 Battery life 5 5 90 duty cycle during hi power EAR EE Appro
45. 0467 05 192 0408 05 192 0163 05 192 0419 15 192 0163 05 L77 1 L77 1 L77 1 L77 1 L77 1 171 0 RK75 RK75 RK75 RK75 RK75 RK75 RK75 RK75 RK75 RK75 RK75 RK75 RK75 RK75 RK75 RK73 R92 1 RK73 RK73 RK73 RK73 RK73 RK73 RK73 RK73 RK73 RK73 RK73 RK73 RK73 RK73 RK73 952 05 957 05 958 05 802 05 976 05 622 05 1 RK73 C C B C B EADS CO HIP FERR EADS IP CO 0 IP CO IP CO IP CO IP COM IP CO IP CO IP COM IP COM IP CO IP CO IP CO IP CO IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP OR 0 56UH CF 59 85 CTOR 270 CTOR 68NH TOR 68NH TOR 82NH TOR 68NH TOR 150NH TOR 6 8NH TOR 100NH TE RE RE TE RE TE TE RE TE RE CXO 16 8MHZ RYSTAL RESONATOR 59 395MHZ RYSTAL RESONATOR 11 0592MHZ RYSTAL RESONATOR 32768HZ RYSTAL RESONATOR 3 6864MHZ TK 2180 PARTS LIST TX RX UNIT X57 6932 71 infi Desti infi Desti Address Parts No Description nation Ref No Address Parts No Description nation RK73HB1J103J 10K J R207 R92 1368 05 0 OHM RK73HB1J563J 56K 208 209 RK73HB1J223J 22K R92 1368 05 0 OHM R210 RK73HB1J332J 3 3K RK73HB1J473J
46. 1000p 5 0 oA FE 508 S513 S518 1 8 925 525 77 a g 8 24 VOLTAGE i 9 CN511 8 8 KEE REGULATOR LCD 5 55 CP507 Q504 IC501 509 514 519 25 1830 Ld TH y lu XC6201P352MR LCD L 5 so 4 0 m 0505 CP509 28J144 Y 510 S915 S520 885 we 52 CONTRAST CONTROL EH 1 R574 R547 R545 R546 R544 R567 1k O 22k 470k D 27k D 180k 568 1k 1 3 51V 5M 5M 2 LCDRST LCDRST 2 gsx e 5 8 o MIC500 T91 0579 05 R579 5 LCDRS LCDRS EA 330 MAIN TI ola R578 875 1 E CLK CLK 4 1 16502 3 2 330 D 05 gt HD74LV2G34AUS 873 p HD74LV2G34AUS 8 LCD CONTROL 2 577 DATA DATA 1 TH 330 R576 LCDCS LCDCS SIDE KEY l gle 300 559 9 G SECTION ST SPSTB 9 7 CN507 CLK 10 E40 6410 05 4 R501 1 DATA 11 s 5 SW SW1 SW1 8500 1k KH 12 1 4 PTT PTT 13 Je 1 ei e I GND 3 GND SB2 15 e e 2 517 0502 0501 502 511 516 D501 502 511 520 D517 520 16 L Sw2 1 SW2 52 2381132 B30 2215 05 KEY BACK LIGHT B30 2210 05 POND 17 1 lo LCDCS 18 E LCDRST 19 al al 2 Q501 Neo 920 920 1 CN N N e e 959 0265
47. 24 Ss OTOT ai R 0V 1 Qigio C738 R625 MOD M x 10k 1000p C729 330p 40k C132 H RXEI RXEI VOUAGEREGUUATORTEV 1640 x sw 1502 cso 68 us gs 1H am m ee a m m m m m mom A mp s s m m m m m m m m m m mp 28 5 soe Mage CUFT m nis 8 g M RIPPLE FILTER COMPARATOR APO 975 11 MEE OREO VR SW R31 0617 05 Q TK11250CUCB 555 5 A 18 69 220 8 8753 H eta 988 011 100 1 CH SW S60 0415 05 273 Pi m 8 EH 70 20780 eis cse but Lspo 1800 8 BSS Koch TOR I 1 p RXEI 1k 150k or 28 m Kg 8 25 4617 5 2 m gle SP CONTROL TXO ISK15 56k 0 012 3 e ke e es 859 r A 10 mi m mh m m m m mh m m m mm m m m m m m m m m m m m m m m m mma Ss Sls 40124 1000 4 C21 5 ud on 13 5 EE euo 2286 8TS 10614 RXI RXI Sie 501 72 CP605 773 9737 STS elele 80254 I ets 2 EEN 0605 47 2 A A 15 33072 ewm O 09 B 67 a T BYS38TB8d 5 8 8 150k K 5 AFGND TXI O TXI r R769 82k e BEEP BEEP ei a Sa i 82850289528 p 548 188373 1 5 TCONT lp 5 VOLTAGE REGULATOR 5V 74 2 512 47k STON O STON 9 3 k o P 45 L LR See STE STA 1 402 x A 75 1 BEER zi VE als 5 4 ES EI gia 522
48. 24 r7 SH 0 253 0315 05 SB2 5 A R518 e R520 g A ele Pay D613 26 96 6527 47 Bez Bex 2 i s m A BSE 8 5 059 BTE Ras ges 1 SAT Rss ay Ne A s 4 15k D500 502 9 238 9 5 e TS gso lg WINFILTER sis 5 FILTER WIDE 8 S lt d I SSW CONTROL 5 I L501 CPU ilo CONTROL T T H SHIFT SW 875 SHIFT 2 TA31136FN 848 RIS OPT6 25 C500 812 Ex 44 Cer 98 875 E e 1 8 ATS BT et OPT6 500 Y 5 S x Six FMIF Dep E ag 2 1 1602 R720 TXI 24 E40 6413 05 10u16 0 SAVE SAVE 99 4 E I e 10504 188388 53 SSC 558 X REN 8 3526732 o gt 8865 555 855 PTT A TXI 5 amp 5 25 z 0 100 24256 105127 RIG PROCESSOR elt 3 6864 S p 59 85MHz 83 D207 208 BER ETE 1 Pe L603 0 M RXEI 23 101 50 1 272 85 L77 1976 05 2V WIN R227 292 L71 0622 05 i CN502 91 503 ATA aon NOISE RF BPF TUNING 0209 210 212 0611 100 4 22 LCDRST R525 102 500 RV5C386A 15 el 0626 1 0202 0 C228 R231 C282 R232 L219 5UC SW CD6 8G M 11 0592MHz X501 0502 0625 771 C765 25 4649 WIN L WIDE H NARROW SW 25 243 33k L C250 R243 C255 C260 RF
49. 4576 05 L92 0141 05 L40 1091 86 L40 1591 86 192 0138 05 141 2785 39 140 3975 92 140 1085 92 CHIP C 1000PF CHIP C 27 CHIP C 1000PF CHIP C 1000PF CHIP C 27 CERAMIC TRIMMER 10PF FLAT CABLE CON FLAT CABLE CON TEST TERMINAL PIN ASSY FLAT CABLE CON TERMINAL TERMINAL FUSE FUSE HOLDER UNING CO ERAMIC H ERAMIC H L FIXE L FIXE RITI XE L FIXE L FIXE FERRITI FERRITI ORE COIL IP FERRITE ALL FIXED R CORE COIL R CORE COIL R CORE COIL R CORE COIL R CORE COIL R CORE COIL HIP FERRITE IP FERRITE ECTOR ECTOR ECTOR OR 4 70 OR 5 6 OR 82 OR 68 OR 5 6 OR 2 21 ALL FIXED INDUCTOR 1 0UH ALL FIXED INDUCTOR 1 5UH ALL FIXED INDUCTOR 0 27UH ALL FIXED INDUCTOR 39NH ALL FIXED INDUCTOR 100NH L220 L400 L500 503 L600 L601 L602 607 L608 609 L610 611 L612 L613 L615 X1 X200 X500 X501 X600 XF200 CP400 401 CP500 510 CP511 CP512 515 CP516 CP517 CP518 CP519 CP521 CP522 CP600 CP601 603 CP604 605 CP606 CP607 608 R2 R3 R4 R5 R6 R7 1 L40 1 140 2785 92 141 6878 14 192 0138 05 6878 14 8278 14 6878 14 588 03 L40 6865 92 085 57 141 5685 39 192 0149 05 192 0163 05 192 0163 05 192 0419 15 192 0163 05 192
50. 4617 5 BSB 828 038 928 828 HSS 292 2 5M 20 EA EA Tao pe cm EAE 2 L92 0163 05 31818138 185 est 24 eb 10 D D 5 D D 5 osos 83 BY j I 11 5 470 F O oO tls fit F D500 O 10 Q501 502 CONTRAST Pm BY BY Bx lisa 8 re re D D 8 BACK LIGHT CONTROL 8 2 CONTROL 1 E e SE 4 A T Dee E SCHEMATIC DIAGRAM
51. 47 211 212 RK73HB1J223J 22K RK73HB1J274J 270 R213 RK73HB1J102J OK RK73HB1J27 270 R214 RK73H 330 RK73HB 22 R215 RK73H RK73HB R216 RK73H 5K RK73HB 47 R217 RK73H 80 RK73HB R218 RK73H RK73HB R219 RK73G RK73HB 1 R220 RK73H RK73HB R221 RK73G RK73HB R222 RK73H RK73HB1J271J R223 RK73H RK73HB1J222J R224 RK73HB1J RK73HB1J470J R225 RK73HB1J RK73GB1J472J R226 RK73HB1J R92 1368 05 R227 R92 1368 R92 1368 05 R228 RK73HB1J RK73HH1J333D R230 RK73H RK73HB1J472J R231 R92 1368 05 R232 R92 1368 05 R233 RK73HB1J101J R234 RK73HB1J103J R235 RK73HB1J223J R236 RK73HB1J331J R237 RK73HB1J683J R239 242 RK73HB1J473J R243 RK73HB1J470J R245 246 RK73HB1J331J R248 RK73HB1J271J R249 R92 1368 05 R251 RK73EB2ER39K R253 RK73HB1J820J R254 J RK73EB2ER39K R255 J RK73HH1J R256 258 J RK73HB1J R262 265 R92 1368 7 2 R266 RK73HB1J RK73HH1J1 00 R92 1368 R92 1368 05 02 RK73HB1J RK73HB1J123J 03 RK73H RK73HH1J154D 04 RK73H RK73HB1J103J 05 RK73H RK73HB1J473J 06 RK73H R92 1368 05 07 RK73H RK73HB1J105J 408 409 RK73H RK73HB1J222J R410 RK73H RK73HB1J104J R411 412 RK73H RK73HB1J27 R414 RK73HB1J R92 1252 05 R415 RK73HB1J R92 1368 05 R416 R92 1368 RK73HB1J393J R417 RK73HB1J RK73HB1J824J R418 RK73HB1J RK73HB1J224J R419 RK73H RK73HB1J334J R421 RK73H RK73HB1J104J R422 RK73H RK73HB1J472J R423 424 RK73H RK73HB1J152J R425 427 RK73H
52. GR 0 3 22k B 1601 2SB1132 Q R R153 84 m e 595 BAS C689 39k T 0 01u 513 8 5 ab Bag SP CONTROL 842 518 575 E28 APC PROTECT 18 276 SP CONTROL SP CONTROL 0612 0615 25 4617 5 2846175 0698 ps R141 10k COMPARATOR APC 4 4 5 SP CONTROL s 061 R132 E ST CP600 1 ifs DAN222 See el ck el 150k H 55858258 D 5 155373 R788 R133 SP CONTROL 919 oO 828 1 100 5M m TA75WOFU 2 abe glx olx amp 555 826 225 275 x E D 8 4 R800 MIC He T MIC SHIFT SW AF MUTE 89 8 lt G d APO SW R 7 07V 0614 0616 BES 287 ph ela 290547 UPA672T GER Q106 brs V DTC114EE LO CH 4 5 Q107 5 171 25 1824 g 4 55 88 MIC SAN 5705 84229 surr St e CONTROL CONTROL 2 Da 5 R124 5 HE 8 4 0 INH F zee ssw LET 0209 210 212 BPF TUNING 5UC SW 0622 R262 C284 E iz OP SW 0611 L HN1L02FU qe Er o 8742 ol 5s OP SW 218 R766 R761 Q609 DER 5UC SW 25243 E28 Q623 2 2k 2 2k 1 2SK1830 0624 25 1830 5UC SW 5CNS 5CNS 4 APC TV2 B RXD RXD TXD ue XDI RXD1 CPU DGND CPU DGND 5M 58 X57 693 7 8 A Wee SCHEMATIC DIAGRAM K 2180 AL AN
53. H12 3180 12 PACKING FIXTURE CN507 E40 6410 05 FLAT CABLE CONNECTOR H52 2011 02 ITEM CARTON CASE CN508 508 E40 6413 05 FLAT CABLE CONNECTOR J19 5460 02 HOLDER L550 192 0163 BEADS CORE J19 5478 03 HOLDER 1553 556 192 0163 BEADS CORE J29 0710 15 HOOK ACCESSORY J30 1279 04 SPACER CP501 RK75 CHIP COM J82 0089 05 FPC VOL SELECTOR CP503 504 RK75 CHIP COM CP506 507 RK75 CHIP COM J82 0090 25 FPC UNIVERSAL CONNECTOR CP509 RK75 CHIP COM J82 0091 15 FPC PTT R500 501 RK73 CHIP R K29 9302 23 KNOB PTT R517 R92 1 C K29 9303 03 BUTTON KNOB SIDE R518 RK73 C K29 9304 03 KNOB VOLUME R520 RK73 CHIP R C C IPR IPR K29 9305 03 KNOB CH SELECTOR R522 RK73 R524 526 RK73 IPR IPR Address Parts No Description PARTS LIST Desti nation Address Parts No TK 2180 DISPLAY UNIT X54 3470 11 TX RX UNIT X57 6932 71 Description Desti nation R92 1368 05 R92 1368 05 R92 1368 05 RK73HB1J101J R92 1368 05 RK73HB RK73HB RK73HH RK73HH RK73HH RK73HH1J223D RK73HB1J R92 1368 RK73HB1J RK73HB1J RK73HB1J R92 1252 R92 1368 RK73HB1J R92 1368 RK73HB1J331J R92 1368 05 191 0579 05 25111 DA221 BU2099FV XC6201P352MR HD74LV2G34AUS 25646175 25 1132 0 25 1830 2SJ144 Y 0 OHM 0 0 OHM 100 0 0HM 100 470 180 470 27 22 470 K 330 00
54. IF of 455kHz Incoming signals from the antenna are mixed with the local signal from the PLL to produce the first IF of 59 85MHz This is then mixed with the 59 395 2 second local oscil lator output to produce the 455kHz second IF This is de tected to give the demodulated signal The transmit signal frequency is generated by the PLL VCO and modulated by the signal from the microphone It is then amplified and sent to the antenna TX RX 136 174MHz CF 455kHz 195 85 233 85MHz 136 174 2 Fig 1 Frequency configuration ANT 0207 111 112 1215 1211 0206 1113 1216 1214 1st MIX XF200 IF AMP SW D106 107 BPF D211 213 1st Local OSC PLL Q605 1 2 2 IC605 AF PA i___J 3 Receiver System 3 1 RF unit An incoming RF signal from the antenna terminal is passed through the antenna switch D106 D107 D211 and D213 are off and then the bandpass filter 1215 L216 bandpass filter is adjusted by a variable capacitor The input voltage to the variable capacitor is regulated by the voltage output from the D A converter IC605 The signal is ampli fied by RF amplifier 0207 and passed through the band pass filter L211 L214 The resulting signal is applied to the first mixer O206 where it is mixed with the first local oscillator signal output from the frequency synthesizer to produce the first IF 59 85 3 2 IF unit The first IF signal is passed t
55. PIT ON Wide 4k 3 Adj item s DEV Adjust PTT ON Wide 5k 4 Adj item w DEV Adjust PIT ON 10 MIC sensitivity check Panel test mode 1 CH Sig 1 1 DEV 1 5kHz Narrow 2 4kHz Wide 4k 3 0kHz Wide 5k Deviation meter filter LPF 15kHz HPF OFF PTT ON ANT Universal connector Deviation meter Oscilloscope AG AF VIVM Selector knob Make the demodu lation waves into square waves 2 10kHz According to the larger 3 5 2 According to the larger 4 4kHz According to the larger Check AG 1kHz 6 7mV 18 3mV at MIC terminal TK 2180 Item Condition Measurement ADJUSTMENT Adjustment Test equipment Unit Terminal Unit Parts Method Specifications Remarks 11 VOX1 adjust 1 Adj item VOX1 Adjust AG 1kHz 45mV at MIC terminal 12 VOX10 adjust 1 Adj item VOX10 Adjust AG 1kHz 3mV at MIC terminal AG Panel Universal connector Panel After apply signal from AG press B key that numeric will be stored in memory 13 OT deviation adjust Narrow 1 Remove the panel tuning cable assembly from the universal connector Adj item n OT Adjust Deviation meter filter LPF 3kHz HPF OFF 2 Adj item nL OT 5 nC 2 nH Adjust 5 PIT ON Wide 4
56. _ D 7520 612 792 IC602 Sess 91 SW seo AF MUTE 0617 RSSI RSSI 95V aah 29 1830 C505 86 732 A TC75W51FK 22 AH 59 RSS EZE UPAG72T EES 90 4 1u 0 10k o 22k 8 e 1 LIMIT SW i Q107 Eee E23 1612 TXD1 TXD1 LED SW 8 Og Num arg sz Q602 gt 1 gis zl 23 1824 GREEN or ED A 12 OS 21 R609 els D A CONVERTER D 3 1222 22 828 Et so i t H 5 91605 10 R701 ER 5 3 9 250 S D406 155301 20 Y A CPU CPU Ta 238 Be SR 1225 R700 Razy uc 548 Bye toad ub 5M CONTROL 7 t Bos 2 2 180k 180k 22k HDH 585 875 848 5555 POWER SW 1k 2 91 RTDT RTDT 8 5 gas 2 3 5 2S CONTROL 2 a 5187 E 10400 Sora 92 380121 226 R648 5 LSDLPF 813 JC D201 58 mE 5 1607 723 2 5 IR VOLTAGE DETECTOR eee HSDIN HSDIN sl 8624 mE 8 DEE 2 0 H Bla XC61CC5602NR AB 12 93 glx 2228 8 8 ir SR 2 INH 47 0 858 AFSW B 5 oTS 9191919 T 2 54V 558 4 8 F602 509 95 T Rees 470 1 4 A EA Slc 2
57. amp ag HVC131 1000p al EE S S E i518 15 S 0 ala iNT SW eis ore 9 s T R SHIFT 8 ei 2 33p 15p 9 8 5 5 n il 5 8 SC DETECTOR Lem mm MN de e 8 EE 8 8 8 S 838 sr 0 ean 5 PN 5 DETECTOR M3K15TE Vox m R674 0603 3o AGC a 281243 mM SHIFT SHIFT deem 47 i 815 1 5 5 3 zL 5 g 1 2 S_DET S_DET 20505 0 aoe 5 DETECTOR Q606 259 MMUTE SW D2 15 04 T 1 87V 822 7 rts 226 32g Sig 985 EXO CN602 I 2 TC7W53FK US UM m Ae 11 23 I 8 2 5 2 32 88 ES Se 1 848822 Sl 5T EPS EFS DTP TS ATS ATS E40 6453 05 D al VOLTAGE REGULATOR 8 L 228 706 40 eR692 680 R739 HVC131 470p e 2p B m HVC131 328 848 sents pda 8 8 Eer I 2 ele aL m 8159 o rh VOLTAGE REGULATOR _ 10406 one ore 10403 8 1 H T 1 1 M 333 Ess we sts 825 nts 428 tS 525 STS Sga 15 28 BT See 13 250 83 13 62048502 5 Bex R601 8 als E el 82 180 144 amp 45 45 aix asx i 2 8 5 T 5 0211 213 zee 90757 25 5 a EST FIN FILTER 259 5T 5T I 1 to 390k ors ORs 5 SHIFT SW rr ANT SW 4 5x 2 zh 4700 x R635 8 s ME 1 z T 1 2993 3 amp p S 3 MIC
58. before de emphasis 5A DV power supply output 78mA max DI ANI Data signal input Zin gt 22kQ 600 200MVp p ion boad I F 5 put L 0 45 H gt 4 7V 25kQ load INH MIC mute signal input RSSI RSSI output 20 56 ion boad 6 put L 0 45V H gt 4 7V 25kQ load MDSW Man down switch input Input L 1 0V H gt 4 0V Input voltage OV 5 0V ion boad put L 0 450 H gt 4 7V 25kQ load ut L 1 0V gt 4 0V Input voltage OV 5 0V GND for man down switch Serial data input Input L 1 0V H gt 4 0V Input voltage OV 5 0V ion boad I F 1 put L 0 45V H gt 4 7V 25kQ load Serial data output PTT signal output SC20 460 Output L 0 45V H gt 4 7V 25kQ load 41 D E F G H J ke 1 8 1K 2180 DISPLAY UNIT X54 3470 11 Component side view J72 0921 39 1 a w Jd ite 42 ARD TK 2180 o N o N gt gt 9 o E a E o T 0 X 2 2 5 a 6 TK 2180 TK 2180 geen DISPLAY UNIT X54 34
59. deviation Adjust adjust Deviation meter filter e Narrow LPF 15kHz HPF OFF Wide 4k 2 Adj item s MSK 0 1kHz Adjust Wide 5 3 Adj item w MSK 0 1kHz Adjust PTT ON 18 TONE 1 Adj item n TONE 0 1kHz deviation Adjust adjust Deviation meter filter e Narrow LPF 15kHz HPF OFF PTT ON e Wide 4k 2 Adj item s TONE 0 1kHz Adjust PIT ON Wide 5k 3 Adj item w TONE 0 1kHz Adjust PIT ON 19 BATT 1 Adj item BATT Power meter Panel ANT After pressing the BATT terminal voltage 5 8V detection Adjust PTT switch confirm writing PTT ON DVM BATT that one predeter terminal mined numeric in the range 1 to 256 appears and then press B key That numeric will be stored in memory TK 2180 ADJUSTMENT Measurement Adjustment Item Condition Test equipment Unit Terminal Parts Method Specifications Remarks 20 Panel test mode Power meter Panel ANT Check The transceiver can transmit detection 1 CH Sig 1 1 without causing the LED to check BATT terminal voltage 6 6V BATT blink Connect S terminal to GND terminal PIT ON 2 BATT terminal voltage 5 8V The transceiver should not Connect S terminal to GND transmit and LED blinking PTT ON Receive
60. supplied volt age to the S terminal as below The microprocessor then de tects the battery type Resistor value Battery type Ni Cd Ni MH Li ion Input voltage of S terminal 4 5 5 0V 2 0 3 34V 0 8 2 0V 0 0 8V Open 150kQ 47 Short Battery case 6 4 Key input When any key is pressed 1 or KI2 become Low And CPU 502 set Q1 to 09 Low sequentially The CPU de tects which key is pressed according to the voltage of and KI2 and O1 to O9 timing 7 Signaling Circuit 7 1 Encode Low speed data DOT Low speed data is output from pin 33 of the CPU The signal passes through a low pass filter 601 1 2 and goes to the summing amplifier IC600 2 2 The signal is mixed with the audio signal and goes to the VCO and TCXO X1 modulation input after passing through the D A converter IC605 for BAL adjustment High speed data 5 High speed data HSD is output from pin 7 of the CPU The signal passes through a low pass CR filter and provides a TX HSD tone and a RX HSD tone TX HSD deviation making an adjustment by microprocessor is passed through the switch 606 and then applied to the audio processor IC607 The signal is mixed with the audio signal and goes to the VCO and TCXO The RX HSD tone is passed a summing am plifier IC607 The D A converter IC605 for audio control audio power amplifier and then to the speaker
61. unit X54 3470 11 Ref No Part name Description 500 Key processor C501 Voltage regulator LCD 1 502 503 LCD control 0501 502 Transistor Back light control 0504 FET LCD reset O505 FET Contrast control D500 Diode Contrast control D501 502 LED Key back light 0511 520 LED Key back light D522 Diode Key control TX RX unit X57 6932 71 Ref No Part name Description C1 PLL system C100 Comparator APC C200 FM IF system C400 Voltage detector INT C401 403 Voltage regulator 5V C404 5T control C405 Voltage detector Reset C406 Voltage regulator 5V C500 Flash memory C502 Microprocessor C503 RTC processor C504 EEPROM C505 Selector C600 AF buffer C601 LSD LPF V REF C602 LSD buffer to TCXO C603 Tune C604 HSD BPF 50 COMP C605 D A converter C606 AF switch C607 AQUA L C608 MIC AMP VOX C609 AF power Q1 Transistor Fin filter shift switch 02 Transistor PLL IC f in AMP 06 VCO RX Q7 FET VCO TX 08 DC switch TX VCO 09 DC switch RX VCO Transistor RF buffer A
62. 001 2SB1132 Q R amp DIR 14 Kas 5 2 PY 2 54 2 d 278 e 528 5T CONTROL SN 5 5 t N 219 3 8 9637 E 28 05 Vc A AA STR 825 805 R 0V Q9 No 673 Reg Eq AF POWER AMP 1k gb x mE 33072 gx mE 41 824 TX Ba 0 560 1 T0 17V 284347 S SA S CONTROL Ge 4 RD 9 e 5 5 5 TDA7053AT Sa H gle R510 8 es 855 lo o 8 oix D9 13 7 22 bes EAS 2 cime 5 D H Ze amr 5 Es 47k G C608 895 OTs 11 8 Bal gt be FREQUENCY 918 87 g RF SW B 29 SP CONTROL 5 CONTROL gt 5 5 H s E 8 DTCI44EE See 1 2 IE 1 1 SI ais 677 BS 523 Q612 0615 ST D 5T CONTROL t ors 0 01u o 224 22k R15 5 9 5 1206 1207 APC SW 25 4617 5 28C4617 S R705 CP519 o BF Q6 K C698 t ENA CP606 10k 2 2 855 si A 10 825 110 013 ascona 25K1830 T SP CONTROL 5 ENS 65 1 e C613 01u FILTERO 828 BEEP SW ESS PLL SYSTEM x don mE DOSWIBXVOO 2769 SE ex E 19 0605 xi 5 ANN ree go Wr 8728 dk 66 m A R663 648 RN4910 1 R5 2 da FR 10k T 848226 A 67 gic 23 al D
63. 104K C103K H1H101J 104 CK73HB1H471K CC73HCH1H101J CK73HB1H471K 92 0848 05 92 0838 05 CK73HB1H561K CK73HB1A104K CK73HB1C103K CK73HB CK73HB CK73HB CK73HB CK73HB CK73GB1E105 CK73HB1C103K CC73HCH1H101J CK73HB1A104K CK73HB1H102K CK73GB0J475K CK73HB1A473J CK73HB1C123J CK73HB1A104K CK73GB0J475K CK73H 23J CK73HB1H102K CK73HB1A104K CC73HCH1H680J CK73HB1A104K CK73HB0J224K CC73HCH1H330J CK73HB1A104K CK73GB1C104K CK73HB1A104K CK73HB1H102K 470PF 4700 C CK73HB0J105K CK73GB1E223K CK73HB1A104K CC73HCH1H470J CC73HCH1H390J CK73HB1H102K CK73HB1A104K CK73HB1H102K A104K 1H470J H222K C104K A104K H102K C153K C123K H102K A104K A683K 92 0838 05 CK73GB1A474K CK73HB1C103K CC73HCH1H470J CK73GB1A474K CC73HCH1H470J CK73GB1A474K CK73HB1H152K CK73HB1A104K CK73HB1C103K CK73HB1A104K 92 0816 05 CC73HCH1H470J CC73HCH1H470J CK73HB1A104K CK73HB1H102K CC73HCH1H470J CK73HB1H102K CK73HB1A104K CC73HCH1H180J CC73HCH1H220J CK73HB1H471K CK73HB1H102K CK73HB1H392K CK73HB1A104K CK73HB0J105K CK73HB1H331K CK73HB1H332K CK73HB1H471K CC73HCH1H220J CC73HCH1H470J CK73GB0J475K CK73HB1H221K CC73HCH1H470J CC73HCH1H470J CC73HCH1H010B CK73HB1A104K CK73HB1E472K CK73HB1A104K CK73HB1E472K CK73HB1C123J OUF 0 022UF 0 10
64. 2SK2596 25 4738 25 2595 251824 HN1LO2FU 25 4617 5 285243 2SK1824 DTA144EE 2SC4649 N P 3SK318 3SK294 UMGSN SSM3K15TE 2SK1830 2SA1955 A DIC144EE 253347 2SA1955 A 2SK1830 2SA1955 A 253347 55 3 15 DTA114EE RN4910 25 4738 6 25 1832 6 285243 HN1LO2H 2504617 25811320 253347 25 4617 5 UPA672T 25 1824 25 243 144 2SC4649 N P FMMT717 25 1830 2SC4649 N P ERTJOEV104H ERTJOEV104H FE RANSISTOR RANSISTOR FE RANSISTOR DIGITAL TRANSISTOR FE FE RANS FE DIGITAL TRANSISTOR FE FE RANS FET FE DIGITAL TRANSISTOR RANSISTOR FE FE STOR L TRANSISTOR FE TRANS FET TRANS FE FE DIGITAL TRANSISTOR RANSISTOR STOR SISTOR DIGITAL TRANSISTOR RANSISTOR RANSISTOR FET RANSISTOR HERMISTOR HERMISTOR TK 2180 EXPLODED VIEW N09 2426 04 N14 0806 04 N14 0810 04 M2x4 N30 2004 43 M2 6 x 4 N30 2604 48 M2 6 x 8 BLK N30 2608 43 N83 2005 48 Display unit X54 Parts with the exploded numbers larger than 700 are not supplied 25 TK 2180 26 PACKING 12 Instruction manual 46 Packing fixture H12 3180 12 B62 1760 00 H Pan head machine screw N30 3008 60 x 2 46 Packing fixture H12 3180 12 47 ltem carton c
65. 3 1 8 HG bande s brs 25 Box BUFFER 100k 2 7 Re ie eRe23 875 E16 4 412 8 CONTROL 3 6 100k 100k 1 C602 4 tits Re37 627 3 4 1 4 884 33k 01 San Six NSS e D o 925 Sei 608 ogee OTS C621 8 d 11 1 1 STs D I C613 R625 MoD m m m m m m m m m jm sp s vm p mm 4 7k LSDO C759 0 012u J p mme G a C787 Dig 82k 470 BEER nex IC601 BSHIFT 226 TC75W51FK D lt 1 TCXO 1 gis XIN E 525 LSD BUFFER 98 XOUT LSD LPF V REF TOTCXO 1 0 9 752 612 R792 e 10602 81 t TC75W51FK 9529 0 10k 22k 78 Bus ZSA s 77 o s R609 5 aly D A CONVERTER CPU VCC WW 228 IC605 RTDT 6 M62364FP lag 80888226 HSDIN STA 119 e R624 0 4 R518 R520 9 Kee a Se Sp D500 502 9 6 375 875 BATT CONTROL 0501 E dk k IC504 155388 24256 105127 m RTC PROCESSOR 16 BAY 82 500 CN502 910503 Eug 11 0592MHz X501 e L77 1958 05 10 177180205 ms 8 155388 i e R644 9 13V 4 ls CP522 S 2 2 8517 4 10072
66. 5 706 R707 R708 R709 R710 R711 R712 R713 R714 R715 R716 R717 720 R721 R722 R723 R724 725 726 56K J 560 J 4K J QOHM J 0 OHM 330K OK 20K DM 390K 50K TK 2180 PARTS LIST TX RX UNIT X57 6932 71 infi Desti infi Desti Address Parts No Description nation Ref Address Parts No Description nation RK73H 1 0K J D13 15 325 VARIABLE CAPACITANCE DIODE RK73H 47 017 15 278 VARIABLE CAPACITANCE DIODE RK73H 4JK D18 25111 DIODE RK73H 120K D100 HSC277 DIODE RK73H 180K D103 HZU4BLL ZENER DIODE RK73HB 12K D106 107 HVC131 DE RK73HB 8 2 D108 HZU2ALL ENER DIODE RK73HB 47 D200 MA2S111 ODE RK73HB 82K D20 DAN222 ODE R92 1368 0202 RB706F 40 ODE RK73HB 100K D203 DAN222 ODE RK73HB 82K D204 MA2S111 ODE R92 1368 0205 HSC277 ODE RK73 10K D207 210 15 305 ARIABLE CAPACITANCE DIODE RK73 47 D21 HVC131 ODE R92 1252 00 D212 1 305 VARIABLE CAPACITANCE DIODE RK73HB1J D213 HVC131 DE RK73HB1J D314 MA2S11 DE RK73HB1J 0402 158154 400 DE RK73HB1J D403 155301 D D D D R92 1252 D404 2511 RK73HB1J j D405 5215 RK73HB D406 MA2S RK73HB1J D408 MA2S RK73HB1J D500 MA2S11 R92 1368 D501 502 155388 RK73HB1J D600 603 RB706F 40 RK73HB D604 015AZ6 8 RK73HB D605 155373 RK73HB 10 D606 RK73HB1J 10K D607 R92 1368 0 OHM D608 RK73HB1J 56K D609 610 RK73
67. 608 8 oes 2 zm 8 2 R601 600 214 8 GIS 8 B 218 2603 _ reo2 ER 0 5 0204 8 9608 elo E 5 9 10800 R217 Ld Ed xl 627 R638 L615 6422 c9 HE E ell D610 Eos 5425 EH 5 8 8637 5 6224 6417 e Ress 6 E Ra26 C436 8 d LK SI 6402 z I 81 m 8 e Ki gt CS e 3 5 8 SIBI 5 R623 2 e R708 D 284 0614 SMS 5 Sat Eag 0 3 s 3 0404 5 R652 LS jg 16 A 13 12 Des ei C400 mu 5 2 7 ee C401 0406 S 8782 IS 24 e C420 Sina 3 SS e 9 S gens 2 R415 C246 9 A 62 25 2 2 Re91 por Se 6578 5 D406 ala lt C678 leen 5 Address Ref Ref No C684 Rez JHI J Els 0608 IS Tee Address Ref No 2180 1080 14 47 Foil side Component side 1 Layer 1 Layer 2 Layer 3 Layer 4 Layer 5 Layer 6 st FTTTTTTTTTTTTTTTTTTTTTTTI
68. 70 11 Component side view J72 0921 39 onent side view J72 0921 39 q 7 LA 19929 Offre iS Re De ES eee es 2 csal Eer BN EIS J J p lt 1 a e c TK 2180 pc DISPLAY UNIT X54 3470 11 Foil side view J72 0921 39 o A ue 8 Ig __ Ps EE NS gE S 558 Im o s BI t j earl 29 5 J 2002291 E Tn Fam XX 2958 E E P R S PcBoARD 2180 7 Ww N o Se N eo N m gt 9 6 LL T LO x 2 lt 2 a o 3 TK 2180 DISPLAY UNIT X54 3470 11 Foil side view J72 0921 39 1 LJ I 1 00 4 Ai TK 2180 BOARD DISPLAY UNIT X54 3470 11 Foil side view J72 0921 39 n 3 W fa 4 Si Ee
69. 8 1k 66 167 1 1502 Ane 68 KE CP500 4 1 2 70 48780 4700p 77 508 LSDO Beso 10k 2 Alte n L CP501 7 CP605 33072 A 769 502 74 1K2 o RER CP503 12 Th BSH 78 A 10 4 CP504 Geer 1 2 79 472 80 G R725 A 8 Ee 1 2 220 82 MICROPROCESSOR 4 R506 83 80507 SECH IC502 9 84 30625MGP169GU 4 wa 85 R732 0505 86 7 18787 1 1k ruanan mais a s R523 S 5 0 li CPU VCC 90 A AS E RTDT 8731 D s 108508 tk HSDIN 1K2 93 94 R528 470 M que E tres Alo 96 527 47 CPU 8505 47k SAVE 99 1 100 101 H 1503 1 8525 102 1k 8 2 ST 2 Bie 8 4 Rs lt am Rox Za 5N BN BN 85 T 1 Le LL E 4 o7 OF 68 5 EN 48 Ze Ew 5 5 CPU DGND ae 55 S Rz84 LSW CPU_DGND SE BE 58 enze SC ay 2 t DSTB LL WN HSDOUT aao M Sec 25 LSDIN 8 THP VCOADJ ASQL TR SIE DMUTE 5 1 5 LCDRS H DT 1 m m m m m p nie LEVEL ius APC SR SBC SBC 2 V HXD LED LEDR TXD TEDE LEDG RXD1 LEDG D
70. 80248 gt RIPPLE NC 4 0606 ___ _____ DA gt Piren K 2SC4738 GR sw USEL 4 10607 IC608 IC608 OPTS K 0 25 18 2 68 7 re VOX 75 51 LE TR pee D601 602 2 2 AMP 1 2 085 4 RB706F 2 LOOP 0625 0626 VOX 5 vox gt 28434752 FILTER AGND 4 25 4649 600 25 4649 DET 012 42 NP NP Deos 25 1830 RB706F AD D ANI 4 gt A SW IL SWK TCXO TCONT gt ap sp L gt MANDOWN cc s Ds l INH 4 __ xi 2 4 gt Tom 16 8MHz TXO 4 lt HNiLO2FU 0605 zh eo 2115 DCSW RN4910 POR RXEI OPT6 1 2 PLE TXI 4 5 WN RN4910 2 2 OPT6 4 6 DC sw gt R 82 d IC607 i Q609 AM2 i 25043 AUDIO DEO lt per i PROCESSOR 1 COMPA AQUA L Q619 i HSDI lt 0202 0201 i RATOR 2SJ243 RB706F 40 25 4617 TA i IC604 C604 NOISE NOISE i TC75W51FK TC75W51FK per 5 i 2 2 1 2 C606 i 7 sw I HSDO LSW 2JSW gt PROTECT 0602 Vref DTA114EE 0820 0200 DTRLOADN 144 2 111 i mE TDATA DTRCLK sw BUFF SCLK TC75W51FK DIR STD i 2 2 DIO i RDF FD s 25 TCLK DTRDO 1 1 1 1 1 60 TK 2180 BLOCK DIAGRAM TOP PANEL
71. 822 218 ii 54 R796 OM 382 Lu 4 9 5 PROTECTOR XC6204B502MR eme ees 76 Sa Paras 828 ars 7 E ET 8 5 875 575 e 328 mem 5 E lt 5CNS 2546 2SA1955 A 1 1 2 1 R53 TMP TMP Y TA75WO1FU e 7 tox 5 O INH 78 1 4 2 E T RX L TX E RSS 5 RED GREEN 218 30 Sp ol Om 79 8733 KE 68 Toxo EN 0 UE 958 235 228 829 ETT DANI A SC SC A RZAT 225 A 1 OPT D 1k 0400 oT Q S 8415 z 5M SW m R ABI 80 8606 Six DEO 5 1 B30 2278 05 D404 R725 CP505 81 8135 325 R800 PLE 1 2 180k A AF MUTE MIC sts O oPre R 4 79V S 330 82 47k Blo EXTLIMIN 1 EES SHIFT SW SHIFT AN SS 5 09 LEVEL Sx PCK MICROPROCESSOR 2502 0616 ATI 22 eh 5 5 CONTROL it R506 83 507 Sox 8 SW 1 0614 UPA672T CONTROL 0 64 8 8 5 SH IC502 1 qu Xi 2 8 os SZ 505 LSD BUFFER gio PROCESSOR Bass R I 842 25 347 49 8 8 828 0 84 30625MGP169GU 4 XIN 5 EE ZE er TOTCXO 1 C636 ENS 5428 5R PROTECTOR C215 8 2 4 0106 1 t 141 2 O 2 Rm R 6 06V 85 XOUT 8 5 8 114
72. AMP VOX 8 Ed mm em un em m em m em um um wn wm um um Je um ele um um um um um m m em mp mi Den M DEA n Do SW TXVCO 25 8 8 8 8 7 10 E 5A amp LSW AK 410608 Bez c E ors FREQUENCY Q8 572 SIS TC75W51FK STS 8 2 gE s T 253347 T AF BUFFER RECH E AF SW 9 S nes2 gt CONTROL R 5 00V AUX CPU DGND 5 5 5 1 STsw T 5 11V nid CPU VCC 1 10600 1 603 29 4 218 517 822 8 IC606 DETECTOR po 558 UNIVERSAL 1 Q409 kh 5400 600 TC75W51FK TC75W51FK 914615 e IC604 C625 c TC7W53FK 0602 0607 SIDE SW vile Ge oot Q405 d 25347 2 emi DT RB706F 40 R 13 1 oda nix Ri Ab SIDE SW 118706740 2SA1832 GR 0620 5 8 1 T2394v SPOUT P 28347 10404 412 d Beg Seid CP521 AF M 8 878828 1 8 Sie m C650 me MIG AGC DTAMATE R241V xi Ras Roo R35 13421221 os R123 R145 SP CONTROL Q613 5 828 15 K 5 8 1 2 H BUFFER 8 C756 6738 T 2 53V 16 8MHz m SE ee oo SW 2SA1955 A TC75S51FE gt SAVE SW 1 2 gs m DIO CONTROLI 845 Wy 2 7 1 23 243 C651 un R667 177 1952 05 4 5 ola 9 o ak NH 2 0 16 2504738 GR Ej 211 B 21
73. AT29C040A A3 D3 TXD1 VCOADJ gt sec DC swt oaoa 90TI A4 D4 Ee LSDO LEDR FE i A5 05 PLE REDG 1 DTC144 i A6 D6 VOL 5RC MMUTE SAVE Q405 SBC i A7 D7 SHIFT MODEL RXD 1 5TC TXD 25 347 1406 A8 WR ASQ AFDAT DTRLOADN TK11250CUCB i A9 RD LSDIN PCK LSW 5R lt DC SW AVR I A10 CSO UL SAVE APCSW An RSSI BEEP DSW me T AFDIR Q406 SBC V 0402 i 13 W N BSTE VOXSW 2SA1955 A 2 EE od P 080000 15 4 APC TV2 OPT5 DC SW A16 RXD HSDO T R 2SA1955 A A17 AFSTD STSW AM1 1 404 SBC A18 AFRIM DMUTE DT 75551 i BATTSELVOX a 06 07 2SK508NV K52 x2 VOX 5TC BUFF 136 174 i 09 13 18 325 2 ADJ T 05 7 10 11 16 323 4 PTT I D17 1SV278 010 013 D100 205 0101 0102 0105 D211 D213 25 5108 25 5108 HSC277x2 25 3077 25 2596 25 2595 131 4 i BUFF BUFF T R DRIVE DRIVE FINAL ANT k gt LPF TTT sw gt AMP Sw 7 0104 L111 112 113 BUFF 02 2 4738 5T 5T i 2SC5108 Y 55 i Loor DSW I 5 FILTER 03 4 d 1 2 RF SW Q108 LPF 28 1824 i ADF4111BCP7 Ei L2L6 1347 Se Beare en PROTECT lt APC TV2 i a X Q107 D207 208 D209 D210 pcx UL 5 1 28 1824 1SV305x2 1SV305x2 PLE 2 014 APCSW APCSW HVC131x2 T R DTA144EE TV1 TUNE TV1 gt TUNE I IC600 0203 Sw 01 16200 0205
74. BPF TUNING NNCD6 8 TXO 21 LCDCS g L77 1802 05 2SC4649 N P WN ges ans 0010 180 0 01u 100n Q622 ESCH 4 K 27 nm ars C287 1 PTT PF TXD RXD CONTROL 1604 F601 ome o o SW 1000 0 4p B 2p B C275 R265 R262 717 2 20 DGND 155388 G T 5 09V SQL CONTROL 77 0205 OPSW D 2 2SC4649 N P 33 e L605 R718 100 F53 0315 05 INH 19 o 5392x 202 0204 213 4 5p B 0 P 8 gg EE SQL CONTROL 2 5 G E pie 24 785823 RB706F 40 DTA144EE IFAMR RIP amp 2 amp 48 1 HNILOZFU 516066 719 100 MAN DOWN 18 o SB2 FLASH MEMORY 5 t 88 829 95 Ex o 0200 220202 m 348 o TE i g Ze RE 2 8 A r 58 D E 2x L200 C202 R214 R 1 25V e q e Oo ayy EI lt 510500 4 9 x ES EU dk EEPROM 2 3410 5 HN 25 1 It T 1 54V Sao 838428 2 3 8 5 ans D609 D610 el 8 elei e JGONT 17 AT29C040A 90TU 39 5 4 3 0621 oix x Ss 3 0 0220 SE 95 gt BSN Ors oTS oT DA221 DA221 51515 25415 DVANI 16 mx mx 5 58 2364649 DSR i 917 5 on 8 m DANI 5 6 5 68 275 2x 5 Q625 626 5 2 7 gt 259 T df Sp aar STON 15
75. CC73GCH1H180J CC73GCH1H820J CK73HB1C103K CK73HB1H102K 1000PF 470PF 0 1UF 100PF 4 70 82PF 33PF 7 0PF 0 75PF 7 0PF 8 0PF 1PF 5PF 0 010UF 4 70 0 5PF 1000PF 1000PF 100 470PF OOPF 2200PF 470PF 1000PF 1000PF 47 0 10UF 1000 0 010UF 000 0 10UF OUF 8PF 82PF 0 010UF 000 TK 2180 TX RX UNIT X57 6932 71 Address Parts No Description PARTS LIST Desti nation Address Parts No Description Desti nation CC73GCH1H120J CC73GCH1H030B CC73GCH1H101J CC73HCH1H101J CC73GCH1H330G CK73GB1H102K CC73HCH1H050B CC73HCH1H090B CC73HCH1H270G CC73HCH1H130G CC73HCH1H150G CC73HCH1H180G 1 0508 H1H100B H1H270J H1H220J 104 C103K C223K H102K 104 C103K 104 182 104 CC73HCH1H121J CC73HCH1H181J 92 0851 05 CK73HB1A104K CC73HCH1H680J CK73HB1A333K CK73HB1C103K C92 0838 05 CK73HB1A104K CK73HB1H471K CK73HB1C103K CC73HCH1H1R5B CC73HCH1H270G CC73HCH1H060B CK73HB1C103K CK73HB1H471K CK73HB1A104K CK73HB1C103K B C CK73HB1H102K CC73HCH1H150J H1H390J H1H020B H1H180J H102K C103K H1H1R5B H102K 1H090B 1H030B H102K CK73HB1H102K CK73HB1H102K CC73GCH1H040B CC73HCH1H040B CC73HCH1H470J 2PF 3 0PF 5 0PF 9 0PF 27PF 3PF
76. D 14 NC shown in the figure 3 Do not connect an instrument between red or black and GND 30 TK 2180 ADJUSTMENT Panel tuning Check Jig for the VGS 1 KENWOOD part No W05 1127 00 to transceiver RED RX AF OUTPUT BLACK RX AF OUTPUT WHITE MIC INPUT BROWN MIC GND BLUE PTT SW GND gt 8 YELLOW PF SW 10 BROWN GND 11 GREEN 5M Nut wrench To Radio E SW In order to turn the volume nut and the channel selector nut use a recommendation tool KENWOOD part No 5 1123 00 BRN 10 RED 2 1908 TOV AF Voltmeter BLK 3 y 100p 10V WHT 5 10u 10V 6 Audio generator PC tuning Connect the wires to the PCB in the connector case of interface cable For output the wires out of the connector case need to process the connector case KPG 36 Remove the screw Connector case PCB layout 1004 10 V H 8 s 100u 10 V AF voltmeter H e 10 10 V 96 4 Audio generator og Shield 31 TK 2180 ADJUSTMENT Common Section Condition Measurement Adjustment Test equipment Unit Terminal Parts Method Specifications Remarks 1 BATT terminal voltage 7 5V 2 SSG standard modulation Wide 5k MOD 1kHz DEV 3kHz Wide 4k MOD 1kHz DEV 2 4kH
77. EI 23 H We RXEI D611 RXEO 22 NNCD6 8G 1 TXO 21 PTT PF TXD CONTROL 1604 F601 2 20 OPT2 41 605 R718 100 F53 0315 05 INH 19 1 Legs R719 100 MAN DOWN 18 D609 D610 e TCONT 17 DA221 DA221 515 5 DI ANI 16 DI ANI STON 15 CONTROL CONTROL 5A 14 5A gle 21 AGND 13 Sls 074 38 e AO 12 R755 8755 as me AH TA Al 0 AGND 10 E MANDOWN DGND 9 5 CONTROL 573 8 5CNS 5 USEL 77 2 6 TXD 5 RXDi CPU So TXDi 4 RXDi 3 2 1 OPTI CN600 E40 6389 05 Note The components marked with a dot are parts of layer 1 59 X57 693 8 8 en pn en pen pn pen pn pn pen en pn i eC D106 D106 107
78. EPROM Note The EEPROM stores tuning data Deviation Squelch etc Realign the transceiver after replacing the EEPROM Real time clock The clock function is based on real time clock IC 503 When the power supply is off it is backed up by an internal secondary lithium battery 1 502 10504 1 500 Fig 10 Memory circuit TK 2180 CIRCUIT DESCRIPTION 6 2 Low battery warning The battery voltage is monitored by the microprocessor IC502 pin 126 BATTLVL When the battery voltage falls below the voltage set by the Low Battery Warning adjust ment during the transmission the red LED blinks to notify the operator that it is time to replace the battery When the On TX option default setting under the Battery Warning sta tus function in the FPU is selected If the battery voltage falls below 5 8V the transceiver does not transmit and the warning tone beeps while the PTT switch is pressed Low battery warning The red LED blinks during the transmission The red LED blinks and the warning tone beeps while Battery condition The battery voltage is low but he transceiver is still usable The battery voltage is low and he transceiver is not usable the PTT switch is pressed o make calls 6 3 Battery type detection The transceiver automatically detects the battery type measuring the resistance between the S terminal and GND terminal on the battery pack and changes the
79. G SPS SPSTB SPSTB k SS E TW 5 oF 9 v B LES B g a 9 5 roc 55 53 57 693 2 8 K M TK 2180 SCHEMATIC DIAGRAM TX RX UNIT X57 6932 71 SL 5T DSW DSW APCSW APCSW 5 5C RXAFI 25 MMUTE MMUTE DETECTOR vox R674 D603 RB706F 40 E 5 R601 C601 390k 22 228 5635 MIC VOX 81 Bez 1 IC608 489 AF BUFFER TUNE i R636 dix EE IC75WS1FK IC600 IC603 gio TUNE 19 HSD HSD COMP 4 7k 274 Bes 1 0600 TC75W51FK TC75WS1FK 1 615 16804 C625 H est RB706F 40 100 TC75W51FK R61
80. HB1J 41K D611 NCD6 8G RK73HH1J123D 12K D612 5A76 8 RK73HH1J562D 5 6 D613 221 RK73HH1J822D 82 D614 DAN222 RK73HB1J473J 4K C ADF4111BCP7 R92 1368 05 0 OHM C100 A75WOTFU RK73HB1J223J 22K C200 A31136FN R92 1368 05 0 OHM C400 XC61CC5602NR R92 1252 05 0 C401 K11250CUCB R92 1252 05 0 OHM C402 403 XC6204B502MR 05 R92 1368 05 0 OHM C404 C75S51FE 05 RK73HB1J473J 47 C405 80942CNNBG9C MOS RK73HB1J474J 470 C406 K11250CUCB 05 RK73HB1J 41K C500 AT29C040A 90TU ROM IC RK73HB1J 470K C502 30625MGP169GU ICROPROCESSOR IC RK73HB1J 41K C503 5 386 05 R92 1368 0 OHM C504 24256 105127 ROM IC R92 1368 0 OHM C505 TC7W53FK HYBRID IC RK73HB1J 1 0M C600 604 TC75W51FK 05 C605 M62364FP MOS IC 70 0483 05 TACT SWITCH C606 TC7W53FK HYBRID IC C607 AQUA L 05 HVC131 DIODE 15 323 VARIABLE CAPACITANCE DIODE C608 TC75W51FK 05 15 323 VARIABLE CAPACITANCE DIODE TDA7053AT BI POLAR IC 15 325 VARIABLE CAPACITANCE DIODE DTC144EE DIGITAL TRANSISTOR 15 323 VARIABLE CAPACITANCE DIODE 25 5108 TRANSISTOR 25 508 52 FET TK 2180 TX RX UNIT X57 6932 71 Address Parts No Description PARTS LIST Desti nation Address Parts No Description Desti nation 253347 25 5108 25 4617 5 25 1830 2565108 DTA144EE 2SK3077
81. M 5M 57 X57 693 6 8 AE AG TK 2180 SCHEMATIC DIAGRAM TX RX UNIT X57 6932 71 5T DSW APCSW 8 8 TX DRIVE AMP R 0V R 0V 0102 PRE DRIVE T 5 10V 1 33 2502596 R 0V R 0V 101 CH2 8106 og 1103 T 3 02V T 1 10V 25 3077 rw SS 39p C101 8103 m mpm m mm UL ZG w 578 TX FINAL 1000p 2 S 2 ML 555 SETTE 8 Sex E amp R113 lasl gle 228 Bl Nas SC eT oT 5T A 1 sas 848 518 518 E R 0V Fan R 0 52V Give mes 1 8145 SP CONTROL T 0 16V 2SC4738
82. MINATION GUIDE BUSY TX R31 0652 05 VARIABLE RESISTOR B38 0900 05 ASSY B62 1760 00 TRUCTION MA 560 0430 05 ROTARY SWITCH B72 2198 04 DEL NAME PLATE 07 0748 15 SPEAKER E04 0416 05 F COAXIAL RECEPTACLE SMA E23 1104 04 NTENNA TERMINAL 09 0971 05 LITHIUM CELL E37 1101 05 PEAKER WIRE RED E37 1102 05 PEAKER WIRE BLACK E37 1107 05 LAT CABLE 58 0 11 05 RECTANGULAR RECEPTACLE DISPLAY UNIT X54 3470 11 72 0419 03 TERMINAL BLOCK D501 502 B30 2215 05 LED D511 516 B30 2215 05 LED F07 1880 04 COVER D517 520 B30 2210 05 D TLY 15 1012 04 SHADE F20 3350 04 NSULATING SHEET C500 503 CK73HB1H471K IPC C508 CK73HB1H471K IPC G10 1340 04 BROUS SHEET C513 CK73GB1C104K IPC G10 1341 04 BROUS SHEET C518 CK73HB1H471K IPC G11 2622 04 HEET C522 CK73HB1H102K IPC G11 4272 04 UBBER CUSHION G11 4273 14 HEET 523 524 92 0827 05 IP TAN C525 IPC 611 4307 14 UBBER SHEET FINAL FET C527 528 92 0826 05 IP TAN G11 4326 04 EET C537 538 CK73GB0J475K IPC G11 4332 04 EET C539 546 CC73HCH1H470J IPC 613 1934 04 SH 613 2055 04 SH C548 551 CC73HCH1H470J IPC C553 554 CK73 02K IPC G13 2068 04 USH C555 CK73 05K IPC 653 1686 01 C556 CK73 102K IPC 653 1600 12 C557 CK73 471 G53 1601 04 G53 1602 14 C562 CK73 05K IPC C563 564 CK73 102K CHIP C 653 1603 04 565 CK73HBOJ105K CHIP C
83. MP Transistor Ripple filter Part name COMPONENTS DESCRIPTION Description Ref No Part name TK 2180 Description FET DC switch RX VCO 0625 626 Transistor Beat shift switch AQUA L Transistor RF AMP 01 4 Diode T R switch O14 Transistor Fin filter shift switch 0101 Pre drive 05 7 010 11 Variable capacitance diode Frequency control TX VCO 0102 drive 0104 nsistor APC switch D9 13 Variable capacitance diode Frequency control RX VCO 0105 TX final AMP 0106 nsistor APC switch Variable capacitance diode Modulator 0107 108 switch Diode Current steering 0200 W N filter shift switch Diode TX RX RF switch 0201 nsistor SQL noise AMP Zener diode APC protect 0202 W N noise switch 06 107 Diode ANT switch 0203 AF mute 08 Zener diode APC switch 0204 Transistor W N switch RX D200 iode SOL control 0205 Transistor IF AMP D201 iode Filter switch 0206 D202 iode SQL rectifier 0207 RF AMP D203 iode Filter switch 0400 nsistor LED switch Green or Red D204 iode DMUTE control 0401 Power switch D205 D D D D D D
84. OCESSOR IC500 217 507 512 517 BU2099FV k 4 5 6 o 9 0 4 5508 513 518 7 8 9 vr gt CN511 Q504 509 514 519 wired 28 1830 LCD RESET A 0 m 1 i 5 5 i 0 0 0 CP509 5515 5510 1 5520 31315 1 2 67 1k R568 1k 5M 4 1 1 LCDRST ge 500 91 0579 05 LCDRS INT MIC MAIN ch ola o Lem N 1 CLK l O CN509 E40 6413 05 6 DATA 1 LCDCS E D z SPSTB E 9501 1k 5 CLK 2 DATA 5 SW1 R500 4k 2 KH x PTT x 582 8517 0502 0501 502 511 516 D501 502 511 520 0517 520 ew 2581132 0 8 B30 2215 05 KEY BACK LIGHT 30 2210 05 DGND 6 e LCDCS LED ON 5 0V LCDRST 8 0501 Reo Seo gr 25046176 OFEXIV 525 SSS BSB 858 058 028 o PNE 5M 2 L92 0163 05 50 a 488 sx zz eb 2 My 83 Be BY BY BY 11124111 i L I T Q 2 5 5 o ele 4 Hola 470p D500 2 d S o 5985 51555 55 Q501 502 CONTRAST SY SCH SCH SCH SCH OO OO OJO O O s D a a a D BACKLIGHT o CONTROL 2 4 z P A CONTROL Se 1 1 KA nd Note The components marked with a dot are parts of layer 1 54 347 2 2 LCD ASSY DISPLAY UNIT
85. TER mun on 5 4 9 SHIFT SW SIS R220 8 TA31136FN 151 g e 2 854 ix FMIF 0 eps EIN 5 SYSTEM 918575 T 5 12V S 5 w 4 22v 7 sds WIN R227 C292 RIS NOISE 2 WIN WI N L WIDE H NARROW 5 SW 25 243 3 3k fede a 7 BO STE NSW 98 0 01 180 T 5 09V SQL CONTROL s ICT nx T 8 SQL CONTROL 0202 8 elz 2504649 D200 R202 R207 709 40 2 43 E 9 8 EA 91200 C202 R214 R 1 25V MA2S111 It T 1 54V sl 7 R 2 80V Ke C206 95 2 ong el ch g are 0201 010 AUDIO OUT s 25 4617 8 miooy AFMUTE 2 R 0 64V 0203 8 SQL NOISE AMP 0 R 1 0V T 0 95V 025 25 1824 AN e ay ep g 8 35 87282 0204 0204 DMUTE 25111 THP VCOADJ CONTROL ki Lm R217 AgS DMUTE 180k TS 2 SPOUT SPOUT pmm m m m m m m m m m m m mm m m m m m m EES m m s m um m mm B A m wm m um m m ss mm m mm m m em em em m em m m m mu m m m m 5CNS 5H TV TV APC TVZ 2 B B TXD TXD 1 CPU DGND CPU DGND 5M 5M 5 8 56 57 693 5 8 2 GE AD SCHEMATIC DIAGRAM 2180 TX RX UNIT X57 6932 71
86. UF 47PF 39PF 000 0 10UF 1000PF 0 10UF 47 2200 0 10UF 0 10UF 000 0 015UF 0 012UF 0 10UF 0 068UF 0 47U 0 010 47 000 0 10UF 8PF 22PF 470PF 1000PF 3900PF 0 10UF OUF 330PF 3300PF 470PF 22PF 47PF 4 7UF 220PF 47PF 47PF 0 10UF 4700PF 0 10UF 4700PF 0 012UF TK 2180 TX RX UNIT X57 6932 71 Ref No Address Parts No Description PARTS LIST Desti nation Address Parts No Description Desti nation C762 C765 766 767 C770 C771 1 2 CN400 CN500 CN502 503 CN600 CN602 CN603 CN604 F400 F601 602 CN501 CD200 CF200 CF201 L1 L2 3 L111 112 13 15 16 17 L200 L201 L202 L203 L204 L206 207 1208 CK73HB1H102K CC73HCH1H270G CK73HB1H102K CK73HB1H102K CC73HCH1H270G C05 0384 05 E40 6452 05 E40 6413 05 E23 0342 05 40 6389 05 40 6453 05 E23 1263 05 E23 1262 05 F53 0324 05 F53 0315 05 J19 5386 05 L79 1834 05 L72 1013 05 L72 1014 05 141 4795 39 140 5667 92 L40 8275 92 L40 6875 92 L40 5667 92 192 0138 05 140 1001 86 140 2702 86 140 1502 86 L40 3978 67 L40 2278 67 L40 1001 86 L92 0163 05 L40 1085 92 L40 3975 92 L40 4775 92 L40 1085 92 L92 0138 05 140 2775 92 L40 1585 54 L92 0149 05 L40 1875 54 134 4689 05 192 0149 05 L41 2295 39 L34 4576 05 134 4567 05 L34 4566 05 L34 4689 05 L34 4573 05 L34
87. VHF FM TRANSCEIVER TK 2180 SERVICE MANUAL E Version KENWOOD 2005 1 PRINTED IN JAPAN B51 8710 00 N 556 Helical antenna KRA 22 Option Knob CH selector K29 9305 03 Knob Volume K29 9304 03 Button knob Side K29 9303 03 Front glass B10 2764 02 o Knob PTT Packing K29 9302 23 G53 1686 01 Cabinet assy A02 3848 03 Does not come with antenna Antenna is available as an option CONTENTS GENERAL rn eniin etis 2 SYSTEM SET UP es 2 REALIGNMENT eene 3 DISASSEMBLY FOR REPAIR 6 CIRCUIT DESCRIPTION 4242224222 7 SEMICONDUCTOR DATA 13 COMPONENTS DESCRIPTION 14 PARTS LIST nnne 16 EXPLODED VIEW nnns 25 PACKINQG uuu aaa temer iret enne 26 enn 27 TERMINAL FUNCTION An 39 BOARD DISPLAY UNIT X54 3470 11 42 TX RX UNIT X57 6932 71 46 SCHEMATIC DIAGRAM DISPLAY UNIT X54 3470 11 50 TX RX UNIT X57 6932 71 52 BLOCK DIAGRAM eene 60 LEVEL DIAGRAM u u uu nnn 62 OPTIONAL ACCESSORIES KNB 31A 32N 33L
88. apore 569110
89. ase H52 2011 02 Parts with the exploded numbers larger than 700 are not supplied TK 2180 ADJUSTMENT Controls Selector Volume Side1 PTT Side2 Panel Test Mode Test mode operation features This transceiver has a test mode To enter test mode press A key and turn power on Hold A key until fre quency version appears on LCD Test mode can be inhib ited by programming To exit test mode switch the power on again The following functions are available in test mode Key operation not appears Function Display S Shifts to Panel tuning mode A Function on B MSK 1200bps and 2400bps 2400bps icon appears C Test signaling CH up appears Signaling No Selector Test frequency CH up down Channel No Side1 Squelch on off d Side2 Narrow Wide 4k Wide Narrow n Wide 4k s Wide 5k appears Function Display S High power Low power Low L icon appears A Function off B Compander on off C Beat shift on off Selector Test frequency CH up down Side1 Squelch level 0 Side2 LCD all lights PTT Transmit 0 to 9 Function off and RH x Note e 5 A B C key is pressed during transmission the DTMF corresponding to the key that was pressed is sent J icon appears icon appears P icon app
90. ata stored in the personal computer must match model type when it is written into the flash memory 5 3 KPG 36 description PC programming interface cable Option The KPG 36 is required to interface the transceiver to 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 36 connects the universal connector of the trans ceiver to the computers RS 232C serial port 5 4 Programming software KPG 92D description The KPG 92D is the programming software for the trans ceiver supplied on a CD ROM This software runs under MS Windows 98 ME Windows 2000 or XP on an IBM PC or compatible machine The data can be input to or read from the transceiver and edited on the screen The programmed or edited data can be printed out It is also possible to tune the transceiver 6 Firmware Programming Mode 6 1 Preface Flash memory is mounted on the transceiver This allows the transceiver to be upgraded when new features are re leased in the future For details on how to obtain the firm ware contact Customer Service 6 2 Connection procedure Connect the transceiver to the personal computer IBM PC or compatible with the interface cable KPG 36 Con nection is the same as in the PC Mode 6 3 Programming 1 Start up the firmware programming software Fpro exe 2 Set the communications speed normally 115200 bps and communications port in the configu
91. control D610 Diode TXD control 0619 Side tone switch D611 Zener diode PTT PF TXD RXD control 0620 Transistor Side tone switch D612 Zener diode OPT control O621 Transistor Beat shift switch CPU D613 Diode SSW control 0622 Transistor 5UC switch 0623 624 5UC switch D614 Diode SP control TK 2180 PARTS LIST New Parts A indicates safety critical components L Scandinavia K USA P Canada Parts without Parts No are not supplied Y PX Far East Hawaii T England E Europe Les articles non mentionnes dans le Parts No ne sont pas fournis Y AAFES Europe X Australia M Other Areas Teile ohne Parts No werden nicht geliefert TK 2180 Y50 5872 71 DISPLAY UNIT X54 3470 11 infi Desti infi Desti Address Parts No Description nation Address Parts No Description nation TK 2180 2D N08 0548 14 DRESSED SCREW ACCESSORY 3B 09 2426 04 HEXAGON HEAD SCREW A02 3848 03 PLASTIC CABINET ASSY 3B N14 0806 04 CIRCULAR NUT A10 4076 21 CHASSIS 3B N14 0810 04 CIRCULAR NUT A62 1093 02 PANEL 30 2004 43 HEAD MACHINE SCREW B09 0625 03 CAP ACCESSORY 2B N30 2604 48 PAN HEAD MACHINE SCREW B10 2764 02 T GLASS 3A N30 2608 43 PAN HEAD MACHINE SCREW B11 1815 04 LTER LCD 2C 30 3008 60 PAN HEAD MACHINE SCREW B11 1816 12 MINATION GUIDE LCD 83 2005 48 PAN HEAD TAPTITE SCREW B11 1820 04 LU
92. converter power supply output Encoder pulse input LCD power supply output Encoder pulse input Non connection GND Non connection 0 01 8 N Volume level input for audio control LCD reset output DV GND CN500 Register select output 3 DV GND LCD reset output Serial clock output LCD chip select output Serial data output GND Chip select output on connection Power output after power switch CN509 on connection Non connection Key matrix 2 input Non connection 0 4 0 N Key matrix 1 input Non connection Serial data output LCD RS input Serial clock output GND Shift register storage enable output Internal microphone ground PTT input Internal microphone output Internal microphone input PTT output Internal microphone ground Shift register storage enable input GND Serial clock input LCD RS output Serial data input Non connection Key matrix 1 output Non connection Key matrix 2 output Non connection TK 2180 TERMINAL FUNCTION Function Option boad 1 Output L 0 45V H gt 4 7V 25kQ load Input L lt 1 0V H gt 4 0V Input voltage 0 5 0 Func
93. e DC through 30MHz High Sensitivity Frequency Counter Frequency Range Frequency Stability 10Hz to 1000MHz 0 2 or less 7 Ammeter 5A AF Volt Meter AF Frequency Range Voltage Range 50Hz to 10kHz 1mV to 10V Audio Generator AG Frequency Range Output 50Hz to 5 2 or more 1 Distortion Meter Capability Input Level 396 or less at 1kHz 50mV to 10Vrms 80 Dummy Load Approx 80 Regulated Power Supply Universal connector 5 to 10V approx Useful if ammeter equipped Universal connector Use the interface cable KPG 36 for PC tuning or the lead wire with plug E30 3287 18 and screw 08 0535 08 for panel tuning Connect the plug to the universal connector of the radio and tighten the screw The lead wire with plug E30 3287 18 and screw 08 JO 0535 08 terminals are as follows Numbers are universal connector terminal numbers 1 2 SP 3 SP 5 4 MSW Caution 5 EMC d 6 ME 1 When connecting the plug to the universal connector of 7 PTT 8 PF 22202 the radio short circuit may occur To prevent this be x x sure to turn the radio POWER switch off Spr 1529 2 Since the RX AF output BTL output there is DC com 1 50 i 12 TXD ponent Isolate this with a capacitor or transformer as 13 RX
94. e serviced by a qualified techni cian only SERVICE This transceiver is designed for easy servicing Refer to the schematic diagrams printed circuit board views and alignment procedures contained within Frequency range MHz 12 key TX RX 136 174 A personal computer IBM PC or compatible programming interface KPG 36 and programming software KPG 92D are required for programming The frequency and signalling data are programmed for the transceiver KRA 22 or KRA 26 Option YES Are you using the speaker microphone KMC 25 B B YES Are you using the voice guide amp storage unit VGS 1 Delivery TK 2180 REALIGNMENT 1 Modes Panel test mode Panel tuning mode Data programming mode Firmware PC tuning mode programming mode Clone mode Firmware version information Clock adjustment mode Mode Function User mode For customer uses Panel test mode Used by the dealer to check the funda mental characteristics Panel tuning mode Used by the dealer to tune the radio PC mode Uses for communication between the radio and PC IBM compatible Data programming Uses to read and write frequency data mode and other features to and from the radio PC test mode Uses to check the radio using the PC This feature is included in the FPU See panel tuning Firmware Uses to changing the main program of programming mode the flash memory
95. ears LCD all point appears LED indicator Red LED Lights during transmission Blinks at the low battery voltage warning Green LED Lights when there is carrier e Sub LCD indicator Appears at function on LCD display in panel test mode n 1 1 Narrow Signaling No s Wide 4k Channel No w Wide 5k E Frequency and Signaling The set has been adjusted for the frequencies shown in the following table When required readjust them following the adjustment procedure to obtain the frequencies you want in actual operation Test frequency RX MHz TX MHz PTT Transmit 155 05000 155 10000 0 to 9 Use as the DTMF keypad and If a key is pressed during transmission the corresponding to the key that was presses is sent 136 05000 173 95000 155 00000 136 10000 173 90000 155 00000 155 20000 155 40000 177 90000 155 20000 155 40000 177 95000 27 TK 2180 28 ADJUSTMENT Test signaling TX None None None LTR Data 0 12 12 12 047 FREE 25 10 47 25 67 0Hz 67 2 151 4Hz 151 4 2 210 7 2 210 7 2 QT 254 1Hz 254 1Hz DOT 0023 D023N DOT 07541 DOT 07541 DTMF 159D DTMF 159D DTMF Code 9 2 tone A 304 7Hz B 3106 0Hz Single Tone 979 9Hz Sin
96. enable 01 41 OO N RTCL EEPCL RTC EEPROM clock AFSTD BB STD HSDIN High speed data input LSW BB LIM switch MAN DN IN Man down switch input RDY 45V RTDT EEPDAT RTC EEPROM data Non connecti 45V 45V DGND Vss Non connection Det mute Encoder in 4 1 Audio mute 2 Non connection Reset Read RD 11 0592MHz clock output Non connecti DGND Vss Write WR 11 0592MHz clock input APC switch output N 5V APC voltage discharge switch N 45V 5U control Power switch input BTSE VOX BATT select VOX input switch BATT voltage INT LCDRST LCD reset N INTRA RTC INT LCDCS LCD chip select SHIFT MODEL Beat shift CPU Model select CSO O O O O O O O O O Chip select 0 N N BEEP Beep out NC N SPSTB 02099 storage enable Address bus 18 9 VCO ADJ VCO adjust switch PLL unlock LEDR LED red PLL enable LEDG LED green PLL clock DSTB STB for DAC Beat shift AQUA L LSDO Low speed data output Option board 6 KEY1 Key matrix 1 input
97. gle Tone 1000Hz 5 tone CCIR 12345 MSK Preamble OXAAAA Sync 0 23 Data 0 230960 CRC OxCAD7 100Hz Square Wave LTR Data AREA 0 GOTO 12 None 2 tone A 304 7Hz B 3106 0Hz Single Tone 979 9Hz None 5 tone 12345 None MSK Preamble OXAAAA Sync 0 23 Data 0x230960C6AAAA CRC 0xC4D7 Note The LTR and 2 tone signaling are not used Panel Tuning Mode Preparations for tuning the transceiver Before attempting to tune the transceiver connect the unit to a suitable power supply Whenever the transmitter is turned the unit must be con nected to a suitable dummy load i e power meter The speaker output connector must be terminated with a 80 dummy load and connected to AC voltmeter and an audio distortion meter or a SINAD measurement meter at all times during tuning Transceiver tuning To place transceiver in tuning mode Press S key now in tuning mode Use B key to write tuning data through tuning modes and Selector to adjust tuning requirements 1 to 256 appeares on LCD Use C key to select the adjustment item through tuning modes Use A key to adjust 3 or 5 reference level adjust ments and use Side2 key to switch between Wide 5k Wide 4k Narrow Channel appears on LCD Set channel according to tuning requirements LCD display in panel tuning mode
98. gnal input Zin gt 22kO 600 200mVp p TCONT Speaker mute signal input L lt 1 0V H gt 4 0V Input voltage OV 5 0V Ext Int speaker switch input L External speaker ON H Internal speaker ON Input voltage OV 5 0V MAN DOWN an down output Output L 0 45V H gt 4 7V 25kQ load MIC mute signal input Option boad I F 2 Output L 0 45V H gt 4 7V 25kQ load Input L lt 1 0V H gt 4 0V Input voltage OV 5 0V MIC signal output AC coupled before pre emphasis ZL 2 22kQ 130 50mVp p Audio signal output DC coupled after de emphasis ZL gt 30kQ 1x 0 3Vp p BTL output for external speaker Audio output power at volume max 1kHz Batt 27 5V 1 340 5W typ at 80 0 9 0 typ at RL 16Q BTL output for external speaker Audio output power at volume max 1kHz Batt 27 5V 1 3 0 5 typ at 80 0 9 0 5W typ at 160 Audio signal input DC coupled after de emphasis Zin gt 15 1 0 Ext Int MIC switch Input L External Mic ON Internal ON Input voltage OV 5 0V TK 2180 TERMINAL FUNCTION Function Function External MIC input Impedance 1 8kQ typ at 1kHz Audio level 7 5 2 5mVrms for 60 of system deviation Nominal DC voltage 5 0 1 DC Serial data input Input L 1 0V H gt 4 0V Input voltage OV 5 0V Serial data o
99. h o 0928 leie E e IS SE 18 Ej Z i e E Gu 5 S E WER om PE es NJE Sis 5 e N 0772 B a LEM MEINES BIB e A poro 5 5 Ss eo 51 5 1 61 2 1 a 8 5 8 Ska 1 Ts lo tc o 555 m 19 Ec 5912 J aoga SIS 1925 eeu 2 8010 1712 gt lt e 8925 91 E 8820 wot E o TLE e 2 ei STE 2 zi md 8 gj 5 x 12 5 SNe 9 719 gt gt lt eeg 5 5528 8 e 0712 8 E 6525 Ife 9515 S 8071 OS e SI Teco 2520 2628 sezu pezu E 5 8 8 gt SI zit OK S Ki 8 S Tre 2520 2 gt lt 7010 S 5 6012 5 sz 0 5 9225 272 am 5 5 SS SC ib Gi J fact 0021 lee zozi 0011 Zoro z eH Ej 8 79 6175 2220 S 177916 8 a o 199 011 070 10240 E mee T BE B CE 5 E 5 15 TD 5128 6074 8028 919 TAB 195 dE 01 iO 8022 ro vie 549 E 575 T E ewe 000 51 4 8 geit ICS inf T To Leek ses sa SCH 52 5 0020 3 5 lt
100. hrough a four pole monolithic crystal filter XF200 to remove a adjacent channel signal The filtered first IF signal is amplified by the first IF amplifier 0205 and then applied to the IF system IC 200 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 59 395 2 of second local oscillator output crystal unit X200 and produces the second IF signal of 455kHz The second IF signal is passed through the ceramic filter CF201 Wide CF200 Narrow to more remove the adjacent channel signal The filtered second IF signal is amplified by the limiting amplifier and demodulated by the quadrature de tector with ceramic discriminator CD200 The demodulated signal is routed to the audio circuit IC600 1 2 0203 AF AMP 1 606 HSDO Fig 2 Receiver section TK 2180 CIRCUIT DESCRIPTION 3 3 Wide Narrow switching circuit Wide and Narrow settings can be made for each channel by switching the ceramic filters CF201 Wide CF200 Nar row The Wide low level and Narrow high level is output from 502 When a Wide low level is selected O200 N ch turn off and 200 P ch turn on When a Narrow high level is se lected Q200 N ch turn on and Q200 P ch turn off D201 and D203 are switched to ceramic filters when a high low level is selected Q204 tur
101. ier The signal from microphone goes through D A converter IC605 mute switch 0610 and amplified by IC608 1 2 and limited by AGC circuit composed of D601 D602 O606 and Q607 1C607 is composed of high pass filter low pass filter and pre emphasis IDC circuit The signal passes through the D A converter 605 for the maximum deviation adjustment and enters the summing amplifier consisting of IC600 2 2 and is mixed with the low speed data from the CPU IC502 EXT MIC O IC608 MIC 0614 1605 0610 1 2 1C607 D601 602 0606 607 1 605 7 Microphone amplifier C602 X1 0101 VOL 502 Pre DRIVE DRIVE AMP N The output signal from the summing amplifier goes to the VCO modulation input The other output signal from the summing amplifier passes through the D A converter IC605 again for the BAL adjustment and the buffer amplifier IC602 and goes to the TCXO modulation input 4 2 VOX The 608 2 2 amplify the audio signal captured in the microphone and then the signal is converted into the DC voltage D603 rectifies The DC voltage activates the CPU 502 and the VOX starts 4 3 Drive and Final amplifier The signal from the T R switch D100 is on is amplified by drive amplifier 0101 and 0102 to 15 17dBm The output of the drive amplifier is amplified by the RF power amplifier 0105 to 5 0W 1W when the power is low The RF po
102. iode TX RX RF switch 0402 SBC switch 0403 Transistor SB2 switch D207 210 D212 Variable capacitance diode RF BPF tuning 0404 Transistor switch D211 213 iode ANT switch 0405 FET switch D314 5 protector 0406 istor 5T switch D400 D Diode LED LED Red amp Green 0407 5M switch D402 iode Reverse protection 0408 istor 5M switch 0403 iode Power switch control 0409 SAVE switch 0404 iode Batt level control 0502 INT switch D405 iode 5M protector 0602 Transistor LIMIT switch D406 5M control 0605 Transistor AF switch D408 iode 5T control 0606 607 Transistor MIC AGC D500 502 iode RTC BATT control Q608 FET AF switch D600 iode AF BUFFER control 0609 OP switch 0601603 D D D D Diode D D D D iode Detector 0610 MMUTE switch D604 Zener diode MIC shift control 0611 OP switch D605 Diode SP control 0612 613 nsistor SP control D606 Zener diode MIC shift control O614 MIC shift switch D607 Zener diode SP control O615 nsistor SP control D608 Zener diode MIC shift control 0616 617 AF mute D609 Diode RXD control 0618 SP
103. is demodulated by MSK demodulator in IC607 The demodulated data goes to the CPU for processing 8 Power Supply Circuit Battery is supplied via a 2 5A fuse from the battery terminal connected to the TX RX unit Power supply is applied to the four AVRs 1 402 supplies 5V BM to the con trol circuit 1 401 403 supplies 5V to common circuits 406 supplies to the TX circuit the circuit and common circuits During transmission 5 becomes Low and O406 is turned on to supply 5 57 to the TX circuit During tion becomes Low 0405 is turned on to supply bR to the RX circuit The power supply voltage monitor IC 400 monitors power supply voltage B If the voltage falls less than 5 6V the VOUT port goes LOW level the CPU INT port also goes HIGH level and the CPU stops 0408 5TC Fig 14 Power supply circuit Microprocesser 30625MGP169GU TX RX unit 502 Port Name SEMICONDUCTOR DATA Function Port Name TK 2180 Function VREF 45V MMUTE Mic mute AVCC 5V AUX AUX key SBC Switched B control TXD TXD COMO 5 control RXD RXD COMO 5 TX control AFDAT BB TDATA and DTRCLK APC TV2 TX APC adjust TV adjust 2 AFDIO BB DI O HSDO igh speed data output AFDIR BB DIR STSW Side tone switch DTRLOAD BB DTMF
104. k 3 Adj item s OT Adjust PIT Wide 5k 4 Adj item w OT Adjust PIT 14 DOT deviation adjust Narrow 1 Adj item n DOT Adjust Deviation meter filter LPF 3kHz HPF OFF 2 Adj item nL DOT gt nC DOT gt nH DOT Adjust ON Wide 4k 3 Adj item s DOT Adjust PTT ON Wide 5k 4 Adj item w DOT Adjust 15 LTR deviation adjust Narrow 1 Adj item n LTR Skip it 2 Adj item nL LTR gt nC LTR gt nH LTR Skip it 3 Adj item w LTR Skip it Power meter Deviation meter Oscilloscope ANT Universal connector Selector 0 35kHz knob 0 60kHz 0 75kHz 0 35kHz 0 60kHz 0 75kHz TK 2180 ADJUSTMENT Measurement Adjustment Item Condition Test equipment 16 1 Adj item n DTMF Power meter Panel ANT Selector 1 25kHz 0 1kHz deviation Adjust gt knob adjust Deviation meter filter Deviation Universal Narrow LPF 15kHz meter connector HPF OFF Oscilloscope AG AF VIVM Wide 4k 2 Adj item s 0 1kHz Adjust PTT ON Unit Terminal Parts Method Specifications Remarks Wide 5k 3 item w DTMF 0 1kHz Adjust PIT ON 17 MSK 1 Adj item MSK 0 1kHz
105. le the checksum is displayed PROG 115200 is redisplayed Note Normally write in the high speed mode 7 Clone Mode Programming data can be transferred from one radio to another by connecting them via their external universal con nectors The operation is as follows the transmit radio is the master and the receive radio is a slave The password of description by explanation of 1 to 7 are Read Authorization Password 1 Turn the master transceiver power ON with the B key held down If the Data password is set to the transceiver the transceiver displays CLONE LOCK If the password is not set the transceiver displays CLONE MODE 2 When you enter the correct password and CLONE MODE is displayed the transceiver can be used as the cloning master The following describes how to enter the password 3 TK 2180 REALIGNMENT How to enter the password with the keypad If you press a key while CLONE LOCK is displayed the number that was pressed is displayed on the transceiver Each press of the key shifts the display in order to the left When you enter the password and press the or S key CLONE is displayed if the entered password 15 correct If the password is incorrect CLONE LOCK is redisplayed How to enter the password with the encoder If the encoder is rotated while CLONE LOCK is dis played numbers 0 to 9 are displayed flashing When you press the C key the cur
106. nd covers a dual range of the 195 85 233 85MHz and the 136 174 2 The VCO gener ates 195 85 233 85MHz for providing to the first local signal in receive The operating frequency is generated by O7 in transmit mode and in receive mode The oscillator fre quency is controlled by applying the VCO control voltage ob tained from the phase comparator IC1 to the variable capaci tor diodes D5 D7 D10 and D11 in transmit mode and D9 and D13 in receive mode The T R pin of IC502 goes high in receive mode causing Q8 and Q7 to turn off and Q6 turn on The T R pin goes low in transmit mode The outputs from O6 and O7 are amplified by buffer ampli fier 010 and doubled by O2 and then sent to PLL IC The PLL IC consists of a prescaler reference divider phase comparator charge pump The frequency step of the PLL circuit is 10 12 5kHz The input signal from the pins 8 and 5 of the PLL IC is divided down to the 10 or 12 5kHz and compared at phase comparator The pulsed output signal of the phase comparator is applied to the charge pump and transformed into DC signal in the loop filter LPF The DC signal is applied to the CV of the VCO and locked to keep the VCO frequency constant PLL data is output from DT pin 112 PCK pin 82 and PLE pin 81 of the microprocessor IC502 The data are input to the PLL IC when the channel is changed or when transmis sion is changed to reception and vice versa A PLL lock con dition is al
107. nel selector TK 2180 DISASSEMBLY FOR REPAIR 1 How to Attach the Rubber Spacer 1 Press the rubber spacer with fingers and insert it between the rubber spacer and the rear panel without crevice Rear panel Tighten the circle nut after applying THREE BOND 1401 to the circle nut 2 How to Attach the TX RX Unit 1 In order to attach the unit in chassis don t put in the TX RX unit aslant Please level the chassis and the TX RX unit and attach them 3 How to Attach the VGS 1 1 Remove the 2 screws 2 The tip of tweezers is put into the screw hole of the cover and is pried the cover will remove 3 Use the 2 rubber cushions and attach them to the VGS 1 4 Plug the VGS 1 into the VGS 1 connector of the PC board pressing down on the top of the VGS 1 until secure 5 The spacer turns the adhesive surface down Next push between the chassis and VGS 1 6 Replace the cover and tighten the 2 screws C N Rubber cushion G13 1995 04 20 x 30 x 1 0 mm VGS 1 Rubber cushion G13 1974 04 21x21 x 2 5 mm Spacer AS J30 1292 04 4 5 x 24 x 3 0 mm 2 TK 2180 CIRCUIT DESCRIPTION 1 Overview This transceiver is VHF FM portable transceiver designed to operate in the frequency range of 136 to 174MHz 2 Circuit Configuration by Frequency The receiver is a double conversion superheterodyne with a first intermediate frequency IF of 59 85MHz and a second
108. ns on off with the Wide Narrow and the IC200 detector output level is changed to maintain a constant out put level during wide or narrow signals Fig Wide Narrow switching circuit 3 4 Audio amplifier circuit The demodulated signal from 200 goes through the mute switch O203 600 1 2 and 606 high pass fil tered low pass filtered high pass filtered and de empha sized by IC607 The signal then goes through mute switch O605 1 2 and an electronic volume control IC605 and an AF switch Q618 is on and is routed to audio power amplifier IC609 where it is amplified and output to the internal speaker The audio mute signal AM1 from the IC502 becomes Low in the standby and 0612 0613 which are power supply circuit for 1 609 turn off Also the audio mute signal AM2 becomes High to turn 0605 1 2 off When the audio is output AM1 becomes High to turn 0612 0613 on and volt age is supplied to power terminal VP of IC609 Also AM2 becomes Low to turn 0605 1 2 on The speaker is switched by the logic of speaker switching terminal SSW on the universal connector When SP MIC is not attached the logic of SSW becomes High and SW 0618 is turned on and the AF signal is input to both amplifiers of IC609 When SP MIC is attached SSW is connected to GND at inside of SP MIC For this reason Q618 is turned off and the AF signal is input only to amplifier for EXT SP of IC609 Change of INT EXT SP refer t
109. o Fig 4 0616 0617 1 2 Fig 4 Audio amplifier circuit 3 5 Squelch circuit The output from 200 enters FM IC again then passed through a bandpass filter The noise component output from C200 is amplified by 0201 and rectified D202 to produce a DC voltage corresponding to the noise level The DC volt age is sent to the analog port of the CPU 502 And 200 outputs a DC voltage RSSI corresponding to the input of the IF amplifier The CPU reads the RSSI signal via pin 125 C502 determines whether to output sounds from the speaker by comparing the input voltage of pin 124 and pin 125 with the preset value 12200 FM IF IC Fig 5 Squelch circuit SO close Preset 50 value SO voltage Preset value RSSI voltage 1 gt ANT input level ANT input level Fig 6 Squelch and RSSI voltage vs ANT input level TK 2180 CIRCUIT DESCRIPTION 4 Transmitter System 4 1 Microphone amplifier The signal from the internal microphone goes through the mute switch 0614 When the SP MIC is not attached the microphone switch ing terminal MSW on the universal connector becomes High and mute switch O614 is turned on When the SP MIC is attached MSW is connected to GND at inside of SP MIC For this reason 0614 is turned off the internal micro phone is muted and only the input of the external micro phone is supplied to the microphone amplif
110. ow frequency 1 25kHz C SHFT1 Center frequency 1 25kHz SHFT1 High frequency 1 25kHz 40Hz L SHFT2 Low frequency 2 5kHz C SHFT2 Center frequency 2 5kHz H SHFT2 High frequency 2 5kHz 5 0W 0 1W 2 0A or less 4 5 5 5W 2 1A or less Item Condition ADJUSTMENT Measurement Adjustment TK 2180 Test equipment Unit Terminal Parts Method Specifications Remarks 6 Low power adjust 1 Adj item LPWR Adjust 2 Adj item L LPWR gt L LPWR gt C LPWR gt LPWR gt LPWR Adjust Low power check Panel test mode 1 CH Sig 1 Set low power Push S ON 2 CH Sig 2 PTT ON 3 CH Sig 3 PTT ON Power meter Panel ANT Ammeter Selector knob 1 0W 0 1W 1 0A or less 0 7 1 4W 1 2A or less DOT balance adjust e Narrow 1 Adj item n BAL Adjust Deviation meter filter LPF 3kHz HPF OFF 2 item nL BAL nC BAL nH BAL Adjust PTT ON Wide 4k 3 Adj item s BAL Adjust PTT ON Wide 5k 4 Adj item w BAL Adjust PTT ON Max DEV adjust Narrow 1 Adj item n DEV Adjust AG 1kHz 125mV at MIC terminal Deviation meter filter LPF 15kHz HPF OFF 2 item nL DEV gt nC DEV gt nH DEV Adjust
111. r Section Measurement Adjustment Item Condition Test equipment 1 Sensitivity 2 1 Adj item L SENS2 gt SSG Panel Selector Write the value as followings fixed value SENS2 2 C SENS2 gt knob L SENS2 1 write SENS2 2 H SENS2 AF VIVM Universal L SENS2 20 Oscilloscope connector C SENS2 70 SENS2 70 SENS2 70 Unit Terminal Parts Method Specifications Remarks 2 Sensitivity 1 1 Adj item SENS1 Adjust for Rotate the selector knob and adjust Adjust 12dB SINAD increase the adjustment value 2 Adj item L SENS1 gt starting from 1 to obtain L SENS1 gt C SENS1 gt SINAD 12dB SENS1 gt SENS1 Adjust SSG output 118dBm 0 28 MOD 1kHz 1 5kHz 3 Sensitivity Panel test mode 12dB SINAD or more check 1 CH Sig 1 1 SSG output Wide 5k 117dBm 0 32uV MOD 1kHz 3kHz Narrow 117dBm 0 32uV MOD 1kHz 1 5kHz Squelch 1 Adj item n SOL Selector After input signal After adjusting SOL check Preset Adjust knob from SSG press B SOL open close adjust SSG output 118dBm 0 28 key That numeric SSG 118dBm Open Narrow MOD 1kHz 1 5kHz will be stored in SSG OFF Close memory nC SOL MOD 1kHz 1 5kHz 2 Adj item nL SOL 2 sC SOL MOD 1kHz 2 4kHz nC SOL gt nH SOL wC SOL MOD 1kHz 3 0kHz Adjust
112. ration item 3 Set the firmware to be updated by File name item 4 Turn the transceiver power ON with the S switch held down Then the orange LED on the transceiver lights and PROG 115200 is displayed 5 Check the connection between the transceiver and the personal computer and make sure that the transceiver is in the Program mode 6 Press write button in the window When the transceiver starts to receive data the PG display is blinking 7 f writing ends successfully the checksum is calculated and a result is displayed 8 If you want to continue programming other transceivers repeat steps 4 to 7 Note This mode cannot be entered if the Firmware Program ming mode is set to Disable in the Programming software 6 4 Function 1 If you press the Side2 switch under of left side while PROG 115200 is displayed the display changes to PROG 19200 to indicate that the write speed is low speed 19200 bps If you press the Side2 switch again while PROG 19200 is displayed the display changes to PROG 38400 If you press the Side2 switch again while PROG 38400 is displayed the display changes to n o PROG 57600 If you press the Side2 switch agai while PROG 57600 is displayed the display returns t PROG 115200 2 If you press the Side1 switch top of left side while PROG 115200 is displayed the checksum is calculated and a result is displayed If you press the Side1 switch again whi
113. rently selected number is deter mined If you press the S key after entering the pass word in this procedure CLONE is displayed if the entered password is correct If the password is incor rect CLONE LOCK is redisplayed Power on the slave transceiver Connect the cloning cable part No E30 3325 05 to the universal connectors on the master and slave Press the S key on the master while the master displays CLONE The data of the master is sent to the slave While the slave is receiving the data PROGRAM is displayed When cloning of data is completed the mas ter displays END and the slave automatically operates in the User mode The slave can then be operated by the same program as the master The other slave can be continuously cloned When the S key on the master is pressed while the master displays END the master displays CLONE Carry out the operation in step 4 to 6 Notes Can not be cloned if the password over write password is programmed to the slave Only the same models can be cloned together Cloning cable E30 3325 05 8 Firmware Version Information Mode Turn the transceiver ON with the Side1 switch held down Then the version is displayed during holding the Side1 switch 9 Clock Adjustment Mode 9 1 Flow chart of operation Power ON Channel selector Channel selector Channel selector Channel selector Chan
114. s 1 5 reference level adjustments C Side2 Side2 Side2 Squelch Narrow Squelch Wide 4k Squelch Wide 5k C A A 3 reference level adjustments Side2 Side2 Side2 Low RSSI Narrow Low RSSI Wide 4k Low RSSI Wide 5k C A Al 3 reference level adjustments Side Side Side Squelch tight Narrow Squelch tight Wide 4k Squelch tight Wide 5k A 3 reference level adjustments Side21I Side2 Side2 High RSSI Narrow High RSSI Wide 4k High RSSI Wide 5k A 3 reference level 1 Y adjustments C TK 2180 3 reference level A adjustments 3 reference level adjustments exit 5 reference level adjustments 5 reference level adjustments exit 29 TK 2180 ADJUSTMENT Test Equipment Required for Alignment Test Equipment Major Specifications Standard Signal Generator SSG Frequency Range Modulation Output 136 to 174MHz Frequency modulation and external modulation 127dBmy0 1 V to greater than 47dBm 1mV Power Meter nput Impedance Operation Frequency Measurement Capability 500 136 to 174MHz or more Vicinity 10W 3 Deviation Meter Frequency Range 136 to 174MHz Digital Volt Meter DVM easuring Range nput Impedance 10mV to 10V DC High input impedance for minimum circuit loading 5 Oscilloscop
115. tion MIC signal input AC coupled before pre emphasis Zin 2 22kQ 130 50mVp p Option boad I F 3 Output L 0 45V H gt 4 7V 25kQ load Input L lt 1 0V H gt 4 0V Input voltage OV 5 0V Option boad 6 Output L 0 45V H gt 4 7 25 load Power input after power switch 7 5V typ 100mA max Serial data input Input L lt 1 0V H gt 4 0V Input voltage OV 5 0V CN602 Non connection Serial data output PTT signal output 20 460 Output L 0 45V H gt 4 7V 25kQ load Serial data input Serial data output DV output Option boad I F 4 Output L 0 45V H gt 4 7V 25kQ load GND Option interface UO UART speed select output L 19200bps fixed Programmable function key input Option boad I F 5 Output L 0 45V H gt 4 7V 25kQ load External PTT input N External microphone ground GND External microphone input GND EXT INT MIC switch input VGS audio input Zin gt 10kQ 1Vp p max Input voltage 0V 5 0V N BTL output for external speaker BTL output for external speaker VGS audio output Zo gt 10kQ GND 5A DV power supply output 78mA max STON Side tone input 1kHz 5 EXT INT SP switch input Function DI ANI Data si
116. utput Output L 0 45V H gt 4 7V 25kQ load Audio signal input DC coupled before de emphasis External MIC GND External PTT input L PTT ON Side tone input 1kHz Programmable function key input Input voltage OV 5 0V Input level 4 4V 5 0V None 3 1V 4 4V PF2 key ON 2 3V 3 1V PF1 key 2 3V PF1 PF2 key ON Pull up to 5V 10 Speaker mute signal input Input L lt 1 0V H gt 4 0V Input voltage OV 5 0V MIC signal output AC coupled before pre emphasis ZL gt 22kQ 130 50mVp p Audio signal output DC coupled after de emphasis ZL gt 1 0 3Vp p Non connection GND power supply output Max output current 140mA Option boad 2 Output L 0 45V H gt 4 7V 25kQ load Input L 1 0V H gt 4 0V Input voltage OV 5 0V Serial data output L lt 0 45 H gt 4 7V 25kQ load Baud rate 115200bps max Option boad I F 4 Output L 0 45V gt 4 7V 25kQ load GND Serial data input Input L lt 1 0V H 2 4 0V Input voltage 0V 5 0V Baud rate 576006 max Power input after power switch 7 5V typ 100mA max Audio signal input DC coupled after de emphasis Zin gt 15kO 1x 0 3Vp p Solder pad Not use GND Function MIC signal input AC coupled before pre emphasis Zin gt 22 130 50mVp p Audio signal output DC coupled
117. ways monitored by the pin 80 UL of the micropro cessor When the PLL is unlocked the UL goes low 013 0100 To drive amp T R TX Low FC BAL Fig 9 PLL block diagram 6 Control Circuit The control circuit consists of microprocessor 502 its peripheral circuits It controls the TX RX unit and transfers data to the Display unit 502 mainly performs the follow ing 1 Switching between transmission and reception by PTT signal input Reading system zone 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 5 Controlling the audio mute circuit by decode data input 6 Transmitting tone and encode data 2 6 1 Memory circuit Memory circuit consists of the CPU IC502 and a flash memory IC500 A flash memory has a capacity of 4M bits and contains the transceiver control program for the CPU also stores the data for transceiver channels and operating parameter that are written by the FPU This program can be easily written from an external devices The EEPROM 504 stores the last channel data the scan on status and other parameters Flash memory Note The flash memory stores the data that is written by the FPU KPG 92D and firmware program User mode Test mode Tuning mode etc This data must be rewritten when replacing the flash memory E
118. wer amplifier is MOS FET The output of the RF power amplifier is then passed through the harmonic filter LPF and antenna switch D106 D107 are on and applied to the antenna terminal 4 4 APC circuit The APC circuit always monitors the current flowing through the RF power amplifier Q105 and keeps a constant current The voltage drop at R125 R127 and R130 is caused by the current flowing through the RF power amplifier and this voltage is applied to the differential amplifier IC100 1 2 1 100 2 2 compares the output voltage of IC100 1 2 with the reference voltage from 502 and the output of 100 2 2 controls the VGG of 0101 0102 and 0105 to make the both voltages to same voltage The change of power high low is carried out by the change of the reference voltage 0106 0107 and 0108 are turned on and Q104 is turned off in transmit and the APC circuit is active 0105 D106 107 Fig 8 Drive and final amplifier and APC circuit TK 2180 10 CIRCUIT DESCRIPTION 5 Frequency Synthesizer Unit 5 1 Frequency synthesizer The frequency synthesizer consists of the TCXO X1 VCO PLL IC IC1 and buffer amplifiers The TCXO generates 16 8MHz The frequency stability is 2 within the temperature range of 30 to 60 C The frequency tuning and modulation of the TCXO are done to apply a voltage to pin 1 of the TCXO The output of the TCXO is applied to pin 8 of the PLL IC The VCO consists of 2VCO a
119. x 9 hours KNB 32N T2590 0 ua taa aaa te e cts Approx 14 hours 331 1700 a o rene ente Approx 10 hours Operating temperature 30 C 60 10 C 60 C when KNB 32N KNB 33L in use Stability teen c do 2 5ppm 30 60 Antenna impedance 2 500 Channel frequency spread 38MHz Dimensions W x x D Projections not included 58 x 136 x 33 mm with KNB 33L battery 58 136 x 39 5 mm with KNB 31A or 32N battery Weight MEt 400 g with battery KNB 33L antenna KRA 22 belt clip 11 RECEIVER Measurements made per EN standard Sensitivity EIA 20 B SINAD Wide 5k 0 28 Wide 4k 0 28 Narrow 0 32uV 200 epe ameter ad ende Fee neges Wide 5k Wide 4k Narrow 24 Adjust channel selectivity 22 Wide 5k 73dB Wide 4k 73dB Narrow iue e tit toc a EA 65dB Spurious response 70 Audio output 80 impedance 500mW with less than 396 distortion TRANSMITTER Measurements made per EN standard pwet Output due teer three LO 1W Modulation u
120. z Narrow MOD 1kHz DEV 1 5kHz 2 VCO lock voltage Panel test mode 1 CH Sig 7 2 CH Sig 2 Panel tuning mode LPWR 3 CH Sig 7 PTT ON 4 CH Sig 2 ON Power meter DVM TX can be continued on unlock condition in panel tuning mode 0 1V 0 7V or more 0 1V Transmitter Section E market model skips adjustment of LTR Item Condition Measurement Adjustment Test Terminal equipment Unit Parts Method 0 7V or more Specifications Remarks Frequency adjust 1 Adj item FREQ Adjust PIT ON Frequency shift 1 adjust 1 Adj item SHFT1 Adjust 2 Adj item L SHFT1 gt C SHFT1 SHFT1 Adjust PIT ON Frequency shift 2 adjust 1 Adj item SHFT2 Adjust 2 Adj item L SHFT2 gt C SHFT2 SHFT2 Adjust PIT ON f counter Panel High power adjust 1 Adj item HPWR Adjust 2 Adj item L HPWR gt L HPWR C HPWR gt HPWR gt HPWR Adjust PIT ON High power check Panel test mode 1 CH Sig 1 1 PIT ON 2 CH Sig 2 1 PIT ON 3 CH Sig 3 1 ON Power meter Ammeter Selector Center frequency knob 40Hz Note After replacing the TCXO X1 align frequency L SHFT1 L

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