SERVICE MANUAL - Fox Tango Yaesu Manuals
Contents
1. 9potq 1 103StsueJ JO1SISUP L 21 S3uauoduo 5 8 24 Irun 0O Si1uasuoduo 8 24 IND TINO 22100095 1100604 1100604 1100604 00080813 10808 124234 Te9gsoerer 011 eLysocrer 000S0cFcf 000S0ct cf 5 FLFSOGCFZCTI FLySsocrer cLeSOcrer LFSOCYC 000S0 r f 1506 0 bLrsocrer PLYESOCK Cr Fotsoerer 15106059 60004059 60002009 10001029 10002050 60002029 600041020 60004055 60002059 60002059 60002029 60002029 600020569 61001059 61002089 61002050 99806019 31596505 VVI 96c00D lOTE96cH 2015 2015 015 2012 IO IO 8014 Lely 921 S Tu 8 9114 PITY llu 6014 80TH LOTH 90TH 5014 60TH TOTH erta 1114 1 0 14 FOTO 2010 coto 1010 1 TI gamouonna AOS AOS AOS 08 AGE ASZ AQT ASE AQS AGE MOI I MOI T MOT T MOI I MOI T2. CLY SOCVC I 081802 0 195502 0150 000SOcFcf C0 tsocrer LvVSocver e9Ssocrelr 89006099 19006099 08001069 60001029 96001029 FEEO6025 81106029 75506055 956911155 10004055 20906019 28106019 9 1008448 9844 HDcCIAZCOSC HUSBHL 2905 8 1 58 41 920911 52 5844 96120056 HEL dFVING 5691065 66d T106E L 90H 31 10 51548 411 101815 4841 101SISUP I 10 818 46411 10351546 401SISUP LL PO14 O9 9 1 21 3 MOOTO A S3U9uoduo YYIM god 110 HOOTO 0 S3Uueuoduo u1I God 8 44 AVY F 8 d L K9y F 1 n2JT LINA TIND 461100 161102 s9qqny pedAoy aaguodg s3qqny 918 d 91 id 19945 91214 9014146 49116864 SSV 5 1145 102 0110 p l A 3g 46110 HO 195 9 TOA qouy 19145 MOPULM 3814 OIN 8 L NU ONH Jn 10070 5 401 494413 114 43010 4 1 4101 5 9ued 4 1
3. 50000000 2986101 Printed Circuit Board G1090577 G1090696 G3070013 G3070013 Transistor Transistor G2070009 Diode H0102571 Crystal J24205103 Chip Res J24205154 Chip Res J24205222 Chip Res J24205123 Chip Res J24205103 Chip Res J24205103 Chip Res J24205103 Chip Res J24205473 Chip Res J24205683 Chip Res J24205000 Chip Res J24205104 Chip Res J51771503 Potentiometer Tantalum Chip Cap Tantalum Chip Cap Tantalum Chip Cap Chip Cap Chip Cap Tantalum Chip Cap Chip Cap Chip Cap Tantalum Chip Cap Chip Cap Chip Cap Chip Cap K78080003 K78120013 K78080013 K22141809 K22141809 K78120013 K22141809 K22170817 K78080003 K22170217 K22170217 K22170805 P0090600 Connector Liman MN6520 ia 8 002 PD4094BG Ole RESISTOR VALLES ARE IN Q 1 10 O Q tay ot ne MN6520 uPD4094BG FALLIM T2B 11 4 128 155184 5 MS41F 10k Ohm 150k Ohm 2 2k Ohm 12k Ohm 10k Ohm 10k Ohm 10k Ohm 47k Ohm 68k Ohm Ohm 100k Ohm 50k Ohm OuF luF 47uF O luF 0 1uF luF 0 1uF 0 01uF 1OuF 18pF 18pF 0 001uF 4 1943 MHz 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 6 3V 16V 6 3V 25V 25 16V 25V 50V 6 3V 50V 50V 50V IL Y
4. Q 02086911 02906911 92806911 82006911 82006911 22102011 22102017 22102011 22142411 28102011 pest ION pesn ION pesi LON p s ON 2 752 2H382 2HUp 11 891 2 0898 ZHASS ZHAQ ZH X9 cl 2Hu89 9vi H 2HUGS I 9759128091 3881 rn 112021263 3921 15011224 39822 H2 272041223 3422 M2 612021222 34871 261 lt 082 26 301 15 0 amp 2 pest JON 9 Bassaerer ZHUS al 6612018 Pes 19N 3c do ASI eStsecrer ABES peesacrelr AT 201502 2 0 118086911 HALES 9 6506011 2H3S 21 zHugvri ZHugri 11642881 11612801 399 399 rn 192011229 LAEBLIZZX 389 399 LOEGLIZZA LBEOLIZZA 39822 H2 39822 EPZBLIZZA EPZBLIZZA jd 3952 EZZOLIZZA 222011223 wyo Ag yo 32 24 e2esu2v2zf 22298272 40 791 40 ASL SIS0 2y2rf lt 651682 2 wud 9 8 000502 2 Beaseerer pest ION pesn YON Ot 2 2 OI 9482010 5831922551 59531922551 229029829 20004829 440 ACT mug AS I 241840292 2 1402 27 722 wud 722 ceeSBcrcf lt 22502 2 yo AGL pLeS ercr vivsacrer 9S i udo 348571 eoigacrer cSlseerer HALTS 9 11006911 11096911 HSB H 28 S 02006911 02906913 21492017 50 02011 39 HI 39 H2 082
5. tuu 2 2e Q 0 o 23 gt 9 E view of Leia view E mixed component side chip only side Ne NC Marked Surface O2CZ8 2X 15 D602 COLLECTOR Qo 0 4 6 0 MEM Dern view y view of chip only side mixed component side Marked Surface 2SA1162GR SG 0606 607 608 vr ss a 2 C2712GR LG REG UNIT F2962106A 0603 Q05 FA1L4M L31 _ 0604 609 2587 ML 40 52 a x 18 l ec YN BASE COLLECTOR 9 903 EMITTER 258799 ML Q602 ss 21 M5236 ML Q601 s ee 55 CAM 4 COLLECTOR x de See EMITTER i DT 214111 5 po HE RESISTOR VALUES ARE IN 1 10 CAPACITOR VALUES ARE IN SOwv UNLESS OTHERWISE NOTED TICAPACITORS ARE TANTALUM Mixed Component Side DC VOLTS 2581261 0605 777 Mied Component Side DC VOTS Vue aea seems Van me toss m Z se sng f aw he 3 1 LL IIS 30 3 204 z CORO 0 00 6 327 Obverse view Obverse view view view diode side IC side IC side diode side ANODE 1 CATHODE 2 PIN
6. Ee P ANT SW UNIT 2962108 8 Q02 203 2SC2712GRx2 ane 201 0 00 30 16 10 w a r F TX Sv O Q0 901 2587994 2587994 Mixed Component Side DC VOLTS E Tx sv Max REMARKS oso or A Chip Only Side DC VOLTS s Vaecour xsv us REMARKS isms wo RESISTOR VALUES ARE IN 1 10w CAPACITOR VALUES ARE IN F 509 UNLESS OTHERWISE NOTED RX TX 79279 80 65 64 lt 5 41 25 40 HD613901B29 B35 Q101 uPD4001BG Q108 uPD4066BG O110 GND Vcc OUT PST523C 2 0109 COLLECTOR e in BASE qm EMITTER Marked Surface 2SA1162GR SG Q104 112 28C2712GR LG Q103 106 107 FA1A4M L33 Q111 FA1L4M L31 Q105 FN1A4P M34 Q102 T T el 16 Z33283 q 4888295 32245 0 tasqa w E 4 W huwa b Pa NEW s TES Y Reverse view of LCD side EN u Peeping sey occ neni BIG te nita efe MES oe D ER GE pe s N Ov 77
7. pueg 225 uuo say 41 2 o qe pueg MOI I uuo HEE soy 41452 S0crcr MOI I uuo soy 4140 0018402 4 1481 pueg 995 MOI I uuo 324 soy diu 91924 pueg 995 MOT T XZ F say 4142 228502607 1 1 pueg 295 sey diu c01S0cFrcf MOI I uuo 2 say 4145 OLvSOCFcCI uuo 026 s u dtu pued 995 MOI I uuo OLF soy 4142 11 9802 21 uuo soy 4142 uuo ALP diu ELeso7 rer MOI I uuo XOI Seu 4140 01 06 MOT I uuo 7022 soy diuo 2 80 uuo HOT soy 4140 pueg MOI I HOT say dryp OITSOcFc f uuo o say 4142 ooosozrer MOT T uuo sey dryg Occsocrelr uuo 9145 MOT I uuo o diu 000S0cFcf 193578942 9571 218135 0810064H ZHNSS0 26 T WN 1235479 FLLCOTOH 21981 pueg 8688341 906551 60002055 pueg 295 58 1 ISISSI po rq 10001029 WS8VOTHL 21 80806019 41990595955 4945151841 10292669 a cL We lind 4091515481 21002089 21 669145 40 515 6 1 06691869 414 001 21 21 08506019 6 999 21 04806010 2 90 1ueuoduo YIM 276296209 ZHHOC siueuoduo YIM god 96
8. 1 7 77 3 5 Reverse view of IC side aes etui Af PT SRR a Sala CPT Ra lt Pin CATHODE ANODE ANODE Surface 155184 3 0105 ANODE NC Marked Surface 1SS193 F3 D106 CATHODE p ANODE GREEN ANODE RED SLM 23VMW D104 or Service Manuals Contact TECHNICAL SERVICES 8 Cherry Tree Rd Chinnor OX9 4QY Tel 01844 351694 Fax 01 844 Email enquiries mauritron co uk bte io nit 31010 10 0 04 WOTYINVI Suv ll 3s1 H3HlO SS3 7Nn AAOS 3 NI S gt YWA YOLLY AYO fAO I A IO NI 3Hv SXYTVA HOLSISSH P 800 2 800 98 00708 800 Save IT LISIA INH U 65 x9 ees gt x 56 ee vivi gt zog 100 123135 JIAO ee K XXI ON V101Z96Z3J3 LINN UNO lt lt 00 WVHOVIO 500 18 SUDO 90 29625 LIND 20884 AS 8 1 AS XL HOT 2052 6090 WEE 852 2090 vs AS xi 71924862 5090 X781SS1 EZS 1090 909G 7030 2090 S 5 5 5090 9090 030 9090 090 T D D D O O G
9. 10N ZHS2 2 0 1 981 2 789 258 2 79 21 998912091 348 116821827 11601123 339922 H2 ErcBLizex 3422 H2 6142011223 72 2 222402 2 40 781 ESlS ever wud 0 82006502727 ON 2 01 1 46831922551 2080 0209 udo 1271 wyo ACG 20904926 AOL pepsBever wyo 4571 eSisacrer HALO 110086911 95906911 20142011 PSN 28759 ZHWLOT EST 1 ZHWAS 1 976912001 3401 rn 11201125 3401 fn 11501124 39022 H2 272021225 3422 6120112243 42 22 2248804294 ASI 65180294 wud 0 000502 2 YON Bl 2062010 35831922551 50084829 wud zelsecrer uuo 792 uuo ABLe wyo AS I 1 HAL 11806911 02006911 20409011 50 YON 2H302 138 ANVE ZHWOS 075912001 3901 rn 12621227 3991 1 150 1223 34822 H2 20 1227 3422 HO 612021224 40 4571 28158227 ABI eolsecver pes ION 0 geaoseacvor ZHWS ci 6622818H pesi 30N wyo zeesecver 791 estsacrer pecsacrer wud 015 HL 11806911 HNL Q 22006911 221026011 pesn ZH3S ST 2 1 978312897 3001 11602 1223 399
10. m ccm e oss s ma ww r r w w SE S8lL06E19CH T 5 AS XL 7 1 2552 90905060 14661852 7090 2268 6090 2080 66052 1080 NOI LOO Wk MIH 00 250 Y spem LSEEOSC sseeosz zp AS 8 0534 and 2080 gozo 000 5050 2050 1050 80 29624 A COA L LIN MS VNNZJLINV VINS6ELLGW YI s NI 130 INW AA te EM INO 3NOL 55210 UIVNOILdO 9 13 1 THA CLL Z 7021 21 2017962 4 e e as s m s r s r s e r Gv m q a m am m m i CIRCUIT DESCRIPTION Refer to the block diagram on the facing page when reading this description For finer details refer to the schematic diagrams Receiver Incoming signals at the antenna are passed through a lowpass filter and t r switching diode on the Ant Sw Unit before delivery to the front end circuitry on the Mother Board Here RF amplifier FET Q201 2SK302Y boosts
11. wud 581 esisBerer ASI 81S82cr2 75 751 1982 Ade Ecesacver AZ eecsecver uuo ACS ALS 9 2 940 722 Ecesacver ocSsUcv of 40 AEE wud 40 ALF 927 12 502 2 40 027 av 11958 7 40 810 11 750212 Qv 12 581 2 1 96 wud 301 t ats cPcf ABI cBlseerer 01502 2 WYO 01 Qlseerer 40 ADI 40 78 t8iS02vef uuo ABI WYO ABI 40 ABE c6cs cveof 940 672 562 440 AGS WHO ABS 262802 2 uo AGES 26290292 40 46 E 6 amp 50 uuo ABE e6es 2vef 40 8 eQiGBerer lt 01502 2 wud gl 01502 2 uuo 78 1 8 40 101 eBlsaerer wud 28 lt 01 181 601850292 lt 0150 PSSM ON pesfi YON p sn ION pest YON POSH TON p sn pes 10 pes ON ION 25357201 58 ANYA 2 1 9 1 159 4 98 2H4
12. ABST 0 2891 1502 27 vrSISOZvC 4061 pS1S02r2 3021 wyo 7881 ysiseerer 4021 wyo ABS yslseerer wyo 7881 1 40 21821 40 5881 1051 515 2 2 34 wud 108 AOSI yelsacrer 440 7881 3081 p81S02p2 r wyo 3081 6 502 2 wuo 288 v8is 2vof y0 3081 ug 4981 r8l1S0 2r2r 81502 2 sisU2r2t 0 7851 51502 2 wud as 1 188 8150 940 195 ySlS erer 709 51542 2 40 081 yelsecrer wud 7851 502 2 40 4081 ABBI 165 02 2 15 81802 0 40 275 81S02r2zr 381 8681902902 0 151 15 0 9 40 751 51 381 81 lt 02 2 wud 81 81S382vcf euo ABI wuo ASL 81S 2p2 eEsisBerer 22502 0 udo 322 0 AZZ 222902 MUO AZ eeesherver 40 322 24 2 840 324 20902 02 940 AEE wud ACES 40 ACES 40 0 gv 147958201 40 0179 129902 2 8 0 019 1197 90282 40 gv 11 502
13. pes ION 5 ION pesSf ION ION ION 34801 H2 562071222 3988 H2 5624 1223 38081 H2 522021222 39991 88201126 39081 H2 56 2084 223 34981 562012234 3988 34801 H2 st 28 1l22 56201122 5228 122 34861 H 66281122 34681 H2 8462011228 3988 H2 58201140 19951 H2 622021221 39991 H2 622021224 390091 HD 5201223 39051 H9 66201123 34801 H2 3988 S 29 1223x 562011223 00080292 090058272 000802924 00040292 000 582 2 oooseever 000582727 000582927 OO00SQ2cvCf wyo 30591 751502 2 40 2891 51502 27 7891 51502 2 000582727 000502 0005082 2 90009502 2 00058227 000592 2 ABSI 518902972 wyo ABSI 150292 wyo 305 51502 2 wyo 789 1502 2 709 91602 2 7895 51502 2 uuo 105 ysis erer 7881 wud 70851 561602 2 140 2 0 3021 0 5051 wyo ABI 40 7095 51650272 2851 40 7851 vSlsacver 0 3821 pelsacver 789 789 51 48292 rSolsecrer 40 388 9 yo 7891 61402 2 40 3061 51502 2 wuo AMOSI ySlSBerer 440 70891 651502 27 wud 3881 vSlsacreft
14. d AOS AE 9 9 AOS AOS AOS 9 A06 AOS AOS AOS MOI I MOI I MOT T MOT I MOT T MOT T dcL 9SE 2Sc HS8Hl 21 2252 d eL 6S5Z60Sc 21 1 8623 56 1 2 ODA pueg HNI HUI HUI adop 446 4110070 P HDO I Jn I00 0 JnIOO O0 84570 4 4710 0 HUTO0 0 8110070 8110070 In 10070 uuo xXZ v uuo HOC uuo Zr Xc8 uuo xXcz c uuo ALD wyo HOC uuo HOT udo HEE 6541 011551 JO1STSUEJ 40 1546 11 IOPSTSUBLL 40 5 1517 SLUVd 9002 HL4 OAM 244 dey deg 4142 1 pueg 91461 pueg 295 dep diu deg wnyezyuel dey dtuy deg 4 42 deg 4142 deg 4142 dej 4145 wnyeyuey pueg deg 4 42 deg drug deg 4142 deg drug 9491 pueg 995 deg 4142 say 4142 say 4142 drug say 4140 say 41 40 say 4140 say 4142 say 4142 4142 po rd poid 144 SpUIUHdWOT 11 424 VOEOEZTOM 0205210 69906004 89906004 8c06I lI 65506111 68206111 82061117 cS 1000163 905
15. 040106201 4 R3508311 R3511540 5000102 x4 RO507951 8 Nn 2HWESS O0I 81551 81551 HcL WF TI VH UHcL WF 0IV4 OF LOHF D d4V90048UN D990F2HFZqdn NOVOSO LOL Or eEEI dN 3125 98 054 3usuoduo god dqVcE96c02 1842 V8 QS4A Si1u29uoduo 994 25 96202 pJeog 41124115 20169624 ASZ 401070 HO AOS Hd EE H AOS Adee 9 AOS ANZ20 0 9 anzz g AOS 4 10 0 A 9 4101 AOS 411020 WE S HOOT 7001 2 989 6 888341 FS8ISSI 1 VIESLSd 015 0 22069 0120 20055 18 444 10915442 8 0164 3 101542 188 0882 010 poiq 10002009 60002050 JOYSESUBIYL ETOOLOED AOPSESUBIL 51002059 JI 24806019 21 69806019 21 15806015 21 68806019 21 60906019 LINA deg dtu 8 dep 4142 66051066 4142 2 01164635 deg diu LO0SOLTCCM deo diu 10080814 dey 4145 LISOLTZCM dep 0008084 dey drug 218021203 say 4142 say 41452 say 4142 SEESOcrCr l 28dS eySAID 1815429 O6E9Z0LM VL9OCOTOH 60002029 10 51546 1 21 ETOOLOED 19806019 SyusuodWwoD god
16. 202082 227 342 342 392 H2 2802011221 2820 1227 84002011204 392 2 387 2 2 349 ZEA 020 1223 0 2011224 4020 122 50201 1203 982841222 2723 348 398 398 H2 398 348 2 448 H2 6820 227 60202122 6020 1223 682041220 6092011223 6028212027 395 H2 348 H5 396 682821229 682811222 60201122 3421 H2 3921 H2 3421 ElLZSOLISSA 12011229 2120210222 JON Pest YON pesn ON pesn ION pesn 19N pest ION 4622 3412 HI 24 2 H2 34 2 H2 34 2 H9 34 2 3412 H2 1220 1227 122011229 1220112202 122811229 12208112023 122821200 3422 H2 3922 H2 3422 H2 6128 1229 6128212237 6128041205 3922 H2 3422 3422 H2 6120811223 612821221 6128 1200 30 2 H2 3932 HI 34 2 HJ 12282122 122811229 12280 122 3965 396 H2 3368 H 522921229 522021229 35220 122 22 Jjntt 9 39660 398170 780091824 70069152 20009181 INES 0 ange 3751 8 3085 0 27 20 6178 000915 000915 34 20009182 2000918 4 70089184 20009182734 Jn 31151 0 7600091823 8 0918 20009181 305 0 ang 8 3751 8 700091511 9000915 3 208891527 3155 8 4178 p000918 3 798091821 2000918 0222 348 398 3981 H2 398 396 H2 3981 H3 6092011223 6020 1223 L LIZ
17. 4922 6 20 12424 3401 HJ 1140 12 4 28346 51 491 82102801 9220280 3995 H 6220 227 3496 6228412623 3451 H2 812021222 398 11201 1263 39 2 HJ 6120 1423 3d 1280811223 ZH302 15 ANYS 59212891 89112901 3998 6220811223 3995 2 62201 12234 4921 H2 212821227 3901 H2 11282122 3921 112811227 3301 1 282 227 ZHAG ZI 5087 2081 8183 418 9182 S182 182 183 CNTL UNIT Obverse view of switch side PRHE T R22 de erm 852770605434 RESET UNIT 29 4 Obverse view of chip only side 4 wee 3 E ME 1 CNTL UNIT a 277 Obverse view of IC side RESET UNIT CT ES ne 20 Reverse view of chip only side CNTL UNIT Reverse view of IC side RESET UNIT Li Reverse view of X tal side CNTL UNIT Reverse view of switch side x 20 SENSUS EXPO Obverse view i Obverse view of Xtal side chip only side AA PIN 8 1 PST531A Q201 4uPC324G Q301 uPD74HC74G Q305 uPD74HC4066G Q303 MB87006AFP Q304 Reverse view bene view chip only sid
18. 714 LINN 441 1504 168941143 28000040 9529 1102 60061671 119 O0F OGOO 1192 001 1192 6812001 91461 pueg 995 19511 9002 1414 For Service Manuals Contact MAURITRON TECHNICAL SERVICES 8 Cherry Tree Rd Chinnor 01844 352554 351694 Fax Oxon OX9 4QY 01844 il enquiries mauritron co uk Tel w FA opini etre IR ve ta 395 HJ 395 392 H2 395 385 495 05021 1203 2022120 020211299 828221287 432 392 3562 H3 2 2 1287 828221201 0 20211 8 332 342 342 HO 92022120 020221299 926221200 39 392 HO 395 HO 020211203 820211204 928221204 39 H 398 05021203 QS921L 203 09082 1204 7925 391 HO 391 9 391 391 H2 Jdi HO 391 H2 8282 1221 20202120 202021221 02 122 020 202021223 491 391 H2 391 H2 28291224 202041223 202021227 391 H 341 H2 391 2020 11423 282811222 282021203 381 H2 481 391 209202122 20928 1 2 2028041224 pas pest ION pesn 5622 392 HO 49 H 392 39 392 H2 395 POCALIZS4 1227 0204122 02021623 342 342 H2 342 1 lt
19. REMARKS owe sao avo a o 7 7 Chip Only Side DC VOLTS avo eno REMARKS 2 R 8 HS amp pot Fos 15 5 ex 3 Y re R3 1 d 207320 11 7 2077 JLC1007P Q402 view of beide view 4 mixed component side chip only side h uPB569G Q401 Berni wed lt COLLECTOR EMITTER 2SD1699 TR O403 Reverse view Reverse view of chip only side mixed component side COLLECTOR ANODE 1 CATHODE 2 is ANODEN lt gt 2 e 1 Surface Surface Marked Surface FN1L4M M31 Q404 155181 3 0401 155226 3 0402 PLL UNIT F2962104 No 4xx Rid RO 0 5 C02 0 00 RES 20686822 Q01 m a0 9 9 x 11 02 63 05 5 6 17 t9 19 60 m 5274 alel q x 8 1 1 131 1 x oT 4 Ni B lt S T Gad 449 T ede 2 3 8 AE 2 19 zj 9 200845 SST 18191818 819118 Hw RESISTOR VALLES ARE IN 1710W CAPACITOR VALUES ARE IN F 50 UNLESS OTHERWISE NOTED Mixed C
20. 88006 LG00609N 8TOO60SN 8100609 80006c N 59006071 S60006 FN 65606111 68206117 81061117 8606I TT S080ZLTccN 508021203 0106800 3 61801654 I80ZTccN S080Z4Icc X 0009184 601921013 GSOBOLT CCH 500080821 S080 1cc3 508071003 11801126 10807 TECH 00001823 80802144 5080 1 03 08011225 SOBOLT CCH 508071223 TO ld TOTLd 4015 7015 2015 2015 TOTS TOTON 10185 0124 FOIT COUT 2011 TOUT 6219 8212 1219 9219 SCIO 2012 0212 6113 8115 1112 9115 8119 FIIO EITO 2119 11152 0112 26 Ta hon PARTS LIST c da mx m m 44 eco i d el ake utn Ms 48 2195 1547 711 218515411 11 4 9 1547 1 711 AOS AOS AQS AQS 108 AOS ASC AOS AOS AOS ANS A685 AOS ASE 9 AOS AGG AOS AOS 5820 002 5 ZHN9 Ic ZHWOST ZHWOS I ZHWNOG I 89 HnZ2 O 1404 481070 ANTOO O Adee Jn IO0 0 Jn IO O AJ 1000 HU O Jn 00 0 J 0 0 HD 00 0 An too 6 A OO JDI O 00 0 310170 ANOQOT 31110070 Jn 100 0 er o peog Inot LINN 41 21614 Zulruds SSV 2103290009 J01202UU02 J103129UuU02 J0129uuo2 1105 1102 1105
21. FIH 2006 SERVICE MANUAL For Service Manuals Contact MAURITRON TECHNICAL SERVICES 8 Cherry Tree Rd Chinnor Oxon 9 4QY Tel 01844 351694 01 844 352554 Email enquiries mauritron cO uk This booklet contains supplemental technical information related to the FTH 2006 for use with the 2006 Operating Manual Service or repairs to the FTH 2006 should performed by pualified technicians only YAESU MUSEN CO LTD C PO BOX 1500 TOKYO JAPAN YAESU U S A 17210 Edwards Rd Cerritos California 90701 U S A YAESU EUROPE B V Snipweg 3 1118AA Schiphol The NETHERLANDS FTH 2006 SERVICE MANUAL This manual is intended to serve as a supplement to the FTH 2006 Operating Manual Detailed information regarding functions specifications options and operation has been provided in the Operating Manual and is not reprinted herein Therefore this manual is not intended to serve as an independent reference but to be used in conjunction with the information provided in the Operating Manual Because of the compactness and complexity of the double sided glass epoxy circuit boards used in the FTH 2006 four layout diagrams are provided for each board Each side of the board is identified by the type of the majority of components installed on that side In most cases side has only chip components and the other has either a mixture of both chip and lead components trimmers coils electrolytic capac
22. 0 JAY 81206117 AQT 471 dey diu ETOOCT8LyH AdOE deg 991000163 91 Ant dej 4145 10021844 ASZ 48170 dep 4145 60818122 AE 9 deg diu COOOBO8LYH AOG 31110020 4 4142 40801243 AQT Ant deg diu 21002184 q AOS 47100 0 dey 4142 008021023 At 9 418 9 deg diu unejuej 010080872 AOS 30110020 dey 4142 608071223 d 192 10170 465 diu 6081F 1243 g AOS ANTO O deg dryp 18021223 gd 11070 4142 Li80Z1cc3 AT S Ang dey diu 9 109 41070 dey diu 218021223 AOS 4428 deg 4142 Z20 1ZZ3 9 465 wnypeyuel c000808 LN d ASZ 88170 dey diyo 22 H AOS 4912 00410 0 q AGZ 41170 84 42 6081PIC2 M 108 4145 262021223 HO AOS idozi deg diuo 262041223 HO AOS 49001 de 4149 4620112423 AOS 8496 dep 4142 622071223 H 105 49001 deg diu SECOLICCH AOS JInIO O dep 4142 11804122 H AOS 49001 deg dryp 562021204 q 410 0 dey 4142 118041223 8 AOS 10070 dtu 408011426 AOS ANTOO O dep diyo 80801126 AOS JnTOO O0 deg 4145 4080 122 MOI I uuo xXZ r soy 84 42 ZLPSO7zPrer d AO0S 4n10070 dep 4142 Sg080LIC cM MOI I uuo 78 9 say dryp 289502 27 AOS 498 deg diu 902041287 9 qe pueg
23. 1 MOT T MOI I MOI I MOT I 1 1 1 1 1 MOI I MOI T 1 1 MOI I AOL 1 1 1 MOI I OTLO FZ0GS 1120 75096 116555 191020 411079 4Jnto o Hn cO O 415220 0 MUI Jnzco o 0070 11262070 110070 inzco o 47220 0 uuo ALP uuo occ ALP HOOT X68 HOOT HOO ALP OZI Nc c 7001 OZI udo uuo uuo 700 uuo HLP X00I HOOT MOI 781 XOLE uuo wyo HOT HOLE uuo ALE uuo Ag WI HEE 10329uuo 103122UU025 dex de des dey dey dey des YIVIMS 9pt S 4142 diu 4142 4142 4142 4142 84142 dey 4145 dey deo dey dey des dey soy sou say soy say soy say S say S9y say say soy say Say 129 5984 598 say Say 3122 Sey CIHAZ SOY Say Soy S Y say SOY say Say 4142 4142 4142 4142 4 45 dtu 1939U0131Uu930Jd 4142 4142 4142 4142 4142 4142 diyo 4142 4142 4142 4142 4142 4142 4142 4145 4142 4142
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25. 10P S15T2 E goo uu uu gt 275452 19 l 221 88 oie 52 11 SLE e 53 T 25482 3 23 em me CAPACITOR VALLES ARE IN 50 UNLESS OTHERWISE NOTED e CIRCUIT DIAGRAM
26. 11292 1227 3412 H2 184011246 3301 H2 1120 1227 ZHAG 21 59212061 59212801 1495 622021220 34988 H9 6228212027 3921 21201 1 0 396 H2 01202122 3422 12821220 396 81201122 2 759 ZHWBLI 9S1 59 12001 59212091 3495 2 6220 1223 3498 622011225 3421 1201L1223 346 0120112635 3922 M2 21282122 396 H2 21201123 ZHAO 258 NUS AI 318 VL 59212801 592112001 3498 62201122 3998 6228011225 3921 HD 2128 1227 396 8120114243 3922 61201126 396 0120 1229 2 5 21 59 12881 839 12061 3998 HJ 62291 12295 399 6298 227 3921 H2 12041223 346 H2 812821227 3922 H2 11403 12484 396 8 28 1227 U2H3S2 2 sous 9 oC MEE 6 S gt x s O qt lt 550 28 35 28 55 32 SE ic 59112097 592120801 3498 62201220 3993 622921223 3421 51201 1225 346 01201163 3422 11403188 396 0120 51224 2 291 281 95102881 95142001 3498 6228 1223 3995 H2 622021223 3451 H2 51401122 346 H2 01201128 3422 H3 6120114223 396 H2 81281122 2H S cl 92202001 92282891 395 HJ 622021223 3995 H9 6220 1227 3861 58140414214 3981 1120 122
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28. 14 ANODE 2 7 i e J PIN 1 Marked Surface uPC324G Q701 155226 3 0701 IOC UNIT 2952107 7 Cu 22 Bo 802 ROS IM 4PC324G 120k E 220k 00115 001 2 ROS o Mo 9 C05 120 RI x 0 2 0015 E EX MM qium F _ FIL N x ata 87 8 a amp x a 2 _ 2 9 94 155226 85 z 9 5 z 2 9 y Eo 8 x SEPARATION RESISTOR 5 ARE IN 1 tOW CAPACITOR VALUES ARE IN 50wv UNLESS OTHRWISE NOTED ITICAPACTTORS ARE TANTALUM DIODE Side DC VOLTS DIODE Side VOS Ze Proven mw evans 1 0 4 9 RX TX Side DC VOLTS Vuc ass Vas Yeoman rvice Manuals Contact EUN TECHNICAL SERVICES Cherry Tree Rd Chinnor Oxon OX9 4QY Tel 01844 351694 01844 352554 Email enquiries mauntron co AK 9 Obverse view of mixed component side 0 0 Reverse view of chip only side gt BASE COLLECTOR EMITTER 2SB799 ML 0801 0804 P 03 be amp o Obverse view of chip only side Reverse view of mixed component side t COLLECTOR BASE EMITTER Marked Surface 2SC2712GR LG O802 803 805 806
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30. 20kHz 3 4 kHz 12 5kHz 2 1 kHz l ALIGNMENT D Microphone Sensitivity Connect the AF generator set for 1 kHz through an amplifier to a loudspeaker placed in front of the microphone on the front panel of the transceiver Adjust the AF tone level for 95 phon FTZ or 94 phon CCIR on a phon meter placed 4 cm from the microphone during the following step Press the PTT switch and adjust VR203 for 80 5 of the maximum deviation set in the preceding part TREO 2 ALIGNMENT _ IH RECEIVER Assemble the test equipment as shown below A Sensitivity 1 Set the transceiver and gener ator to the center channel fre quency 2 Set the RF generator output level to 40dBu with deviation of a 1 kHz modulating tone according to the minimum channel spacing of the version being aligned as follows Ch Spacing Deviation 25kHz 1 5 kHz 20kHz 2 4 kHz or 2 8 kHz for FTZ 12 5kHz 3 kHz 3 Adjust T201 205 on the Mother Board for minimum deflection on the deviation meter T201 T202 3 T203 T204 T205 RECEIVER SECTION ALIGNMENT POINTS Y lt a am 5 a m ANTOO O 301070 in 10 0 47170 4 10 0 401 HUT00 0 wyo 272 uuo He 0 uuo 70256 uuo HLF uuo 7001 uuo HOOT uuo 7001 HOT uuo udo H2 XS I uuo OLF 7001 u
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34. covering up to 200 MHz with calibrated output levels from 5dBu to 100dBu AF signal generator with calibrated output levels from ImV to 25mV AF amplifier and Loudspeaker Phon meter RF sampling coupler Deviation meter External loudspeaker 8 ohm 1W or 8 ohm load resistor Regulated DC power supply 12V 2A Alignment Precautions Correct alignment requires that the ambient temperature be the same as that of the transceiver and test equipment and that this temperature be held constant between 20 and 30 C 68 to 86 F When the transceiver is brought into the shop from hot or cold air ANT SW UNIT MOTHER BOARD VCO VCO UNIT 9 PLL UNIT it should be allowed some time for thermal equalization before alignment Alignments must only be made with oscillator shields and circuit boards firmly affixed in place Also the test equipment must be thoroughly warmed up before beginning Alignment values assume a DC supply voltage of 12 0V Note Signal levels in dB referred to in the alignment procedure are based on OdBu 0 5 Alignment Channel Frequencies Before beginning alignment make note of all channel frequencies used in the transceiver Then use the FYG 5 to set the transceiver to the frequencies indicated below for the version being aligned Alignment Channels MHz Version Low Edge Center High Edge A 134 140 146 B 146 153 160 C 160 167 174 ASI 140 146 5 153 B
35. the signal prior to filtering by a 3 stage varactor tuned resonator and appli cation to first mixer FET 0202 3SK151GR along with the first local signal from Local Amplifier 0206 2SC3356 R24 The 21 6 MHz product from the first mixer is delivered through 4 pole monolithic crystal filter XF101 7 5 kHz BW on the Mother Board to first IF amplifier Q301 2SC2620QB on the IF Unit FM receiver sub system IC 0302 TK10485M on the IF Unit includes local oscillator mixer IF limiter amplifier and FM detector circuits The amplified first IF signal is applied to the mixer section along with the second local signal internally generated via 22 055 MHz crystal X301 The 455 kHz pro duct is then passed back to ceramic filter CF201 6 kHz BW on the Mother Board and returned to Q302 for second IF amplifica tion and limiting to remove amplitude varia tions before application to the discriminator The resulting audio output from 0302 is delivered from the IF Unit to the Tone Unit connector If no tone unit is installed the audio is de emphasized by R904 at the con nector and C220 near audio amplifier 0204 LA4147 as it is passed through tone gate 0203 25 160 16 before passing through VOL potentiometer VR202 to the amplifier and speaker or earphone If a Tone Squelch Unit is installed resistance for the de empha sis network is provided on that unit If the F5D 8A 5 Tone Unit is installed and armed Q203 keeps the receiver a
36. 0 77 1090541 R3116390 R4900172 R8123160 The FTH 2006 has been aligned at the factory for the specified performance across the fre quency range specified for each version Realignment should therefore not be necessary except in the event of a component failure or alteration of version All component re placement and service should be performed only by an authorized Yaesu representative or the warranty policy may be voided Case Disassembly 1 Make sure the transceiver is off Remove the hard or soft protective case if used and remove the battery pack 2 Remove the four screws affixing the battery spring plate on the bottom of the transceiver and carefully remove the plate 3 ALIGNMENT Pull of the top panel knobs and then remove the four screws affixing the top panel and carefully remove the panel and rubber gasket under it Remove the two screws affixing the front and rear halves of the case and gently separate the halves using care not to stress the interconnecting wires Im AG t x ap w Alignment Equipment Yaesu FYG 5 PROM Writer Frequency counter with accuracy of 0 1 to 200 MHz DC voltmeter with at least 10 Megohm input impedance AF millivoltmeter DC ammeter ranging to 2 RF in line wattmeter with 5 accuracy to 200 MHz Resistive dummy load 50 ohms 10W at 200 MHz RF signal generator
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46. 602 27 21891 yGlS erer 7881 rslseerer 7891 7891 159272 788 rolsaerer 40 2891 yolsecver wud ABST 85190202 uyo JASI pSslsBerer wud 789 ypsisacrer 3821 pelseerer wud 2891 8150292 wud 789 51582 2 440 3051 615 02 2 3021 vels ever 788 85180202 wuo 7891 7 40 3081 515 2 2 289 41502 2 40 789 731 39 40 7891 Hug 789 rsisacrer 1061 bsiseerer 288 81502 2 ABS wyo ABST pols ervecr 7291 uyo A02 40 7891 051502 w40 7851 1 WYO aci wyo 7891 1 789 515029 386 pslsacrer wyo 34981 velsdcrer 40 31081 81502 2 40 2881 v8ls cvet 40 881 velsecver wud 41981 81502 27 yo 3881 781 39 wyo 785 8159202 yslsserer uuo 3081 81582592 wyo 7891 51502 2 3981 81502 2 788 61402 2 0 1081 1502 2 5 15 5 9 361 wyo 751 15 2 lt uo 781 sisacrer ASI
47. 611 SLUVd 9002 14 50802120034 508021263 08041 S080ZIZc2cM SO8OLT CCH S0804TccM 8081 1264 60818124 20002184 6106800 86062 856062 109 92212101 61202145 60819166 62000061873 200001874 SO8OLT CCH LTBOLTCeH 62041664 08011465 118011426 40801122 266811 18 666811 18 00809 cE TOO8O9Lr 8 69SS0crcf 8 01500 c6 S0cVcf cLFSOcr 00 01502 2 1028406 BECO LEGO 9522 S O FEZO O TEGO 0559 6229 8229 5229 92629 8222 VECO O 26469 1220 0229 6129 8129 LIZO 91529 8129 6152 2122 1149 0129 6062 8029 1029 9029 48000 009 2029 1029 VOCUA COCHA cOCHA TOCHA 08 u 624 8ccH 9ccH 5204 ccH 1204 6 27 ODA V pueda YIM 424 DV8696c0D 2HM3S 6 sjyuouoduo yi 824 997696505 28700 s1u2uoduo YIM 424 9620292 2 8 21 s1ueuoduo VVFc96602 dWV OOA FINOAID 60129664 ODA po9jUld 60129604 LINN dNV OOA OOA PINOIID 01296 04 LINN Tid HROOT 10606117
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52. AOS AOS AOS AGG AOS AOS AOS 1 MOI I MOI I MOI I KOT I MOT T 1 MOL I TOS MnT00 0 110070 10070 10070 ANTOO O 41100 0 HMn ZFO O 30120 41 400668 anoo 31170 ANZ 4922 41170 1022 Jn T0070 An IO O 8495 41170 Jn I00 0 ANnTO O jnT0O 0 HEE HEE uuo HO uuo 102 uuo 028 uuo 976 uuo 008 WYO 701 uuo al wyo M6 x4 F WHO 01 uuo ot uuo uuo Occ deg 4142 462 dey 4142 91qgeL pueg 465 dryp 9 qer pueg 995 dey 4145 41 42 465 4145 deg diu dey 4145 dey IV dey IV 462 4145 0412913 dey 4 42 deg dtu deg 4142 pueg diu diyo wnyezyuey dey 4142 465 4145 9 qe 995 deg diyo 4142 dryp pueg 995 1 pueq 995 pueg 995 pueq 995 pueg 995 pueg 995 aIqey_ pueg de dtu 9192 pueg 295 pueg 995 495 diu J939uUot1u930d 1 29104 193 11 1 04 1 3 04 say 4142 say dryp say 4142 say 4142 say 4145 say 41 42 say dtu soy 4142 soy 4145 say dryp say 4145 soy 41 2 1
53. B3 D205 207 1SS193 F3 D206 MOTHER BOARD PARES a E ES 20 ET 5 PM i di 4 LIA ix ARA i 5M _ amp EL P Vc uia n iN pom 35 Qu onan g eee ae ij n 77 Pau ES Sy e s sh INOS 3 ict 7 4 ely 5 2 naa 4 CORE MRE CRE ATTAT i TNE i Por ROBE RE E dns e DU IESE o dI 4 com ban aS dH SECHS aS Obverse view of chip side Reverse view of component side MOTHER BOARD VOLTAGE CHART DC VOLTS For Service Manuals Contact MAURITRON TECHNICAL SERVICES 8 Cherry Tree Rd Chinnor Oxon OX9 4QY 01844 351694 Fax 01 844 352554 Email enquiries mauritron co uk ve eo co sv REMARKS oes ons so o MOTHER BOARD N B J Ange 1322 822 O 1 pH eop e 22 1020722 02 to amp 2 H eke 1 05 0 15 uH 6 1 7 91 001 un d S 0ct 12 11 18 sco 95 angi MOTHER BOARD 16 0 01010 91219 29 4066 0 DO 11111111 CNTL UNIT F2962101A 203
54. H 31 7020062 c82 006 zH LG 006tH PACABECH c8 006 H L8 006cH 551 31 S21H 41 8 31 02006 1880062 SSiH 31 5 1 31 5H 31 02006 lt 26 086 8 lt 006 5S1H 31 541 41 8 31 POCBBEEH 28208 6 1858965 10242 0451412 1 71821912 1 0391812 1 21981 1 928412 12 1 0821412 1 0858912 16128 IH cele llH 85 2128 1 2 lt 12 11 26120 1 851412 1 821412 1 0858412 11 1 1861412 1 03214102 1 0358412 12 82128114 1 891412 1 0821412 1 0858412 1612011 52100 IH 10235 962254 H9622S4u H96 1 H 392060819 59205619 29106019 H96 1LSH H96515u 962 260 964254 M96 1SM H96 L1LSM 59 06019 29 06019 259105019 89306019 29406019 89166019 H96 LSN H96 1SH 962 5 8920698195 89106019 89106019 HILLSU HIGLLGSH H9GLLSY 39286019 89286019 59106019 9896 250 94961184 99651354 25405819 22286010 25106019 8820 2 42 2 82 2MH8L1 9S1 233 NUS ZHAGC ZH302 ZHWLAI 2S1 133 2036562 2 91 C2ZHABS 159 0 3 ZHASC 2H30c 2 711 831 GNUS CZHAS 21 ZHANG 2HAQC 2 991 991 3 4894 283
55. H2 3481 H2 3981 H2 202122 112021223 LicBLicenr 3922 3422 H2 3922 612021222 612021227 612011260 Jd HO dig jd 2228 122 2228 21227 22001122 3825 39 391 H2 38 H3 191 H3 391 H2 331 H2 020 1227 2020 1227 2020112234 202021224 202021223 202011242 3di H2 491 H2 391 H2 2920911223 2020211223 202021223 392 392 342 82011223 282811229 69201122 ON pos ON PEN pest peer 10N p sn 922 3981 H2 3981 3981 HO 120 122 112021223 1212021 0 3942 H9 3412 H2 34 2 HI 34 2 H2 39 2 H2 3412 12204 1223 122041223 12201229 122021223 122041203 122021203 3981 H2 3981 H2 398 H2 212921223 112821829 11201102 34 2 H2 3412 H3 3412 H9 122021223 122921223 122011223 3922 H2 jd 4955 222821229 222011209 2220110227 2822 0 Ag I wyo 5271 c c 22158 27 22198272 2220950272 uuo AZ 1 ACT wyo 7271 uuo 7271 40 72 2 215 2 21582727 2226502 2 28180292 221902 27 2225082 2 3271 Age 22150292 221502727 222502 2 4271 wyo 3271 940 x2 c 221502727 cels cvof lt 222502 2 wyo 3271 40 32 20160292 22150292 cceosUcrcf 1123 ALP 40 2 77
56. SI 153 160 167 BS2 156 163 170 IDC UNIT CNTL UNIT REG UNIT 49 clock UNIT 155 ttt BOARD LAYOUT l PLE A VCV Varactor Control Voltage 1 T501 TC501 C414 Connect the DC voltmeter between 414 on the PLL Unit and chassis ground Referring to the chart below set the transceiver first to the Adjust ment Frequency close the PTT switch and adjust transformer 1501 on the VCO Unit for the correspon ding TX Adjustment Voltage on the voltmeter Release the PTT switch 3 Adjust trimmer TC501 on the VCO Unit for the corresponding RX Adjustment Voltage on the meter while receiving Finally set the transceiver to the Check Frequency close the PTT and confirm the corresponding TX Check Voltage and then do the same for the RX Check Voltage while recei ving PLL VCV ALIGNMENT CHART 1 Adusmet Frequency Voltage Version MHz TX TX RX A 14 10 08 B i4 1008 C 160 15 048 SB abi VM 1 E 22 Frequency Voltage MHz 160 4 0 4 0 DII 891 it PLL SECTION ALIGNMENT POINTS TRANSMITTER Set up the test equipment as shown at the right A Output Power 1 Select the center channel and set the LOW power switch to the unde pressed position Adjust TC201 on the Mother Board for peak output power on the watt meter at leas
57. e Xtal side COLLECTOR ANODE COLLECTOR k x S caTHODE 8ASE E EMITTER 1 CAPERS Memes Marked Surface Marked Surface Marked Surface FA1 L4M L31 155181 0109 110 302 155184 0101 108 111 B3 112 201 301 202 306 307 L r OD 9 FE SESS SSS 3 gt w C 0000 H G M 21 1 1 1 7 2 7 7 9 0 1 a TELE EE amp P102 TT JP101 Y 230 79 55 ug 791551 ge a CNTL UNIT F2963101 No F29641011 No 2xx ANALOG UNIT 22963102 No 3x x a wamra mamam sma s c Su IE ee CIRCUIT DIAGRAH 1710W 4 2 t v 5 5 9 x x 3 5 8 RESISTOR VALUES ARE IN n Decoder Demodulated receiver audio is amplified and limited by one section of quad opamp 0301 uPC324G before filtering dual SCF peak filter IC 0302 LTC1060CN The center frequencies of the two peak fil ters one for private calling tones and the other for the group tone are controlled by programmable clock signals derived from 10 854 MHz crystal X301 divided by Q304 MB87006A and shaped by Q305 uPD74HC 74G Valid
58. itors packaged ICs etc or lead components only The two obverse views depict the board as it is seen when viewed directly with the eye while the two reverse views depict the unseen side of the board as it would appear if to peer through the board from the other side without seeing the components and tracks on the near side While we believe the technical information in this manual is correct Yaesu assumes no liability for damage that may occur as a result of typographical or other errors that may be present Your cooperation in pointing out any inconsistencies in the technical information would be appreciated Yaesu Musen reserves the right to make changes in the circuitry of this transceiver in the interest of technological improvement without notification of the owners 1 Vut us T Pi ECT vx FR tQ UNI Met orem E j gt 8 Reverse view of chip side OUTPUT Vcc LA4147 0204 Ves INPUT M57796 0208 SOURCE DRAIN Marked Surface 3SK151GR UH Q202 SOURCE BN SOURCE DRAIN DRAIN i GATE Marked Surface GATE Marked Surface 2SK160 K4 Q203 2SK302Y TY Q201 COLLECTOR COLLECTOR EMITTER EMITTER Marked Surface 2 C3357 RK Q207 28C3356 R22 0206 FA1L4M L31 Q205 209 CATHODE CATHODEN ANODE ANODE ANODE NC I Marked Surface Marked Surface 1SS184
59. jd HE JOQOG 09696 6 ae 19191910161 4001 x s we wo 908 702 602 10070 872 gt 62 N 00 EOY LD 9 ml 001 202 208 101 N 82 88 od 55 00 0 5 102 108 o i a RESISTER VALUES ARE IN Q 17104 CAPACITER VALUES ARE IN 50 UNLESS OTHER WISE NOTED CTCSS UNIT OPTION ITICAPACITORS ARE TANTALUM TK10485M Q302 8 9 8 8 9 Obverse view of beris view e mixed component side chip only side Surface 25 2620 301 cup Ah ANODE 1 CATHODE 2 ANODE 2 CATHODE 1 e I 5 QD V Marked Surface Vern view Venir view of chip only side mixed component side 155226 3 0301 n x SEPARATION 0 001 5 83 9 8 a 5 9 8 RESISTOR VALUES ARE IN 1 10W 8 x y CAPACITOR VALUES ARE IN pF SOwv UNLESS OTHERWISE NOTED TICAPACITORS ARE TANTALUM Mixed Component Side DC VOLTS
60. omponent Side DC VOLTS _____________ Side DC VOLTS aoc sm Z vev vcon_ REMARKS BEC VCO AMP UNIT SOURCE COLLECTOR 4502 BN E GATE BASE DRAIN EMITTER Marked Surface Marked Surface 25 238 17 0501 25 2712 16 0504 apis 2SC2759 U23 Q503 502 Ond L 25 3356 24 0505 223 a 909 FA1A4M L33 Q501 20980 J501 VCO UNIT VCO AMP UNIT Obverse view of top side 00 3 0 J502 DOG 3502 2 oon 4501 3501 VCO UNIT VCO UNIT Obverse view of bottom side J502 90040 a L03 F EN 022 mj 288 fe of 9 G x a A 9 F2962109 5 5 O Op 0080 4501 RESISTOR VALUES IN 1710W VCO UNIT VCO AMP UNIT CAPACITOR VALUES N pF 50 UNLESS OTHERWISE NOTED ITICAPACITORS AME TANTAL Reverse view of bottom side 0 0 8 J502 0 0 9 3502 9501 Vome mans 4502 DC VOLTS Law Yours voy remas 4501 D 4501 90020 48 10 40 VCO UNIT VCO UNIT Reverse view of top side N ANODE Marked Surface 198184 B3 D601 603 604 605 606
61. one line is detected by 0112 2SA1162GR and trans formed into low impedance switching by 0111 4 for the microprocessor and control of other circuits The microprocessor activates Q105 FAIL4M and 0106 2SC2712GR which causes LED indicator D104 to glow red ON AIR Voltage comparator 0109 PST523G analog switch 110 uPD4066BG and NAND gate 0108 uPD4001BG control power up resetting of the microprocessor external internal microphone and speaker earphone selection and provide and oscillator for the beeper r Service Manuals Contact MAURITRON TECHNICAL SERVICES 8 Cherry Tree Rd Chinnor Oxon OX9 4QY 01844 351694 Fax 01 844 352554 Email enquiries mauritron co uk EXPLODED VIE Ret Parts No Description L U20104007 BINDING HEAD SCREW M2x4Bi 4 2 000104007 PAN HEAD SCREW M2x4B 2 3 045103001 TITE SCREW M2x3 4 000204001 PAN HEAD SCREW M2 6xM 007240101 PAN HEAD SCREW M2x4 51 55000116 TUBLAR RIVET 1 6 3 R3511440 0507951 R7118670A i R3511430 N D 1G LR3508311 5 6 4 x gt 80117370 80125760 83508300 G6090068 52000104 2 2 S6000142 R7124630 SS R7115630 E 5 R7120350 3290008 amp BA R7118680 R0508000B 87124620 M4090063 RO118940 RO116650B RO126580 123530 1 18930 R6054387B R3803650A 5554 8351149
62. oscillator VCO pre scaler programmable divider reference oscil lator phase detector charge pump and low pass filter The VCO the VCO Unit consists of Q502 and varactor diodes D502 and D503 mentioned above The oscillating frequency is controlled primarily by the level of DC voltage fed from the loop filter lowpass filter to the varactor diodes The VCO output is buffered by Q503 2SC2759U23 and then delivered to prescaler Q401 uPB569G on the PLL Unit which divides the VCO frequency by 64 or 65 according to a control signal from the prescaler control logic section of PLL subsystem IC Q402 JLC1007P The divided signal from the prescaler is fed to the programmable divider section of 0402 where it is further divided down to 5 kHz according to data from microprocessor 0101 on the Control Unit Meanwhile the reference oscillator section of Q402 generates the reference frequency with crystal X401 which signal is divided by Q402 The reference and the divided VCO signal are applied together to the phase detector section of Q402 from which any phase differ ence between the two signals results in a pulse train from the phase detector The pulses are applied to the charge pump section of Q402 and then through a lowpass filter R410 412 and C413 415 to produce DC voltage at a level corresponding to the dif ference in phase between the reference and the divided VCO signal This DC voltage is returned to the
63. ring Processed audio from the IDC Unit is deliv ered to the VCO Unit where it is applied to varactor diodes D502 and D503 1T33 x 2 to CIRCUIT DESCRIPTION modulate VCO FET Q502 2SK238K17 which oscillates at the transmit frequency A sample of the VCO oscillating frequency is taken at T501 and buffered and amplified by Q206 2SC3356 and driver Q207 2SC3357 on the Mother Board before final amplification up to 1 watt by RF power module Q208 M57796 The transmit signal is passed through t r switching diode D802 on the Ant Sw Unit and then lowpass filtered by L802 L803 and C812 C816 to suppress harmonics before application to the antenna Transmitter output is controlled by Q804 2SB799ML Q805 and Q806 2SC2712GR x 2 on the Ant Sw Unit When the TX 5V line from the Regulator Unit is active bias voltage is applied to the RF power module turning it on A sample of the RF output at the stripline is rectified by D801 and ampli fied 0802 28C2712GR 0801 2SB799ML and Q803 2SC2712GR The resulting Auto matic Power Control voltage is fed back to Q206 and Q207 to regulate their amplification of the transmitting RF This circuit is also used by the PLL to disable the transmitter when the PLL is unlocked PLL The first local signal for the receiver 124 4 152 4 MHz and the carrier for the trans mitter at the transmit frequency are gener ated by the PLL This circuit consists of a voltage controlled
64. t 5W with less than 1 6A supply current Adjust VR204 on the Mother Board for 5 0W output B Operating Frequency 1 With the center channel selected adjust TC401 on the PLL Unit if necessary so the frequency counter matches that programmed in the center channel VR203 B VR204 TC201 TC401 X 1912 For Service Manuals Contact MAURITRON TECHNICAL SERVICES 8 Cherry Tree Rd Chinnor Oxon OX9 4QY Tel 01844 351694 01844 352554 Email enquiries mauritron co uk TRANSMITTER SECTION ALIGNMENT POINTS C Modulation Level If the FTS 16 is installed 1 While set to the center of the band set the CTCSS frequency to 151 4 Hz and the encoder ON 2 Press the PTT switch and with no microphone input adjust VROI on the FTS 16 for the deviation corres ponding to the minimum channel spacing of the version being aligned Min Channel Spacing Deviation 25kHz 0 5 kHz 20kHz 0 4 kHz 12 5kHz 0 35 kHz 3 Keeping the encoder ON perform the following steps for the FTS 16 being NOT installed 4 Repeat steps 2 and 3 several times If the FTS 16 Tone Squelch Unit is NOT installed I While set to the center of the band set the generator for 25mV injection at 1 kHz 2 Press the PTT switch and adjust VR203 on the Mother Board for the deviation corresponding to the minimum channel spacing of the version being aligned Min Channel Spacing Deviation 25kHz 4 2 kHz
65. tone signals passing through Q302 are returned to two sections of Q301 for detection and signalling to the CNTL Unit via one of inverters Q306 or Q307 FAILAM x2 When a valid tone has been received micro processor Q101 uPD7507HG 523 22 on the CNTL Unit sends serial instructions to clock divider Q304 to change the filter clock fre quency to match the next programmed tone If five tones are received matching those programmed an alerting tone is generated and passed to the receiver audio amplifier to signal the operator The transpond tone is also generated when the transpond feature is activated Encoder When the PTT switch is pressed to transmit microprocessor 0101 instructs clock divider Q304 to generate pulses at twice the re quired tone frequency Q305 then reshapes these pulses into a square wave at the re quired frequency which is passed through encode decode analog switch 0303 uPDT7 4HC4066G and filtered by Q302 to form a sign wave The resulting sign wave is ampli fied by one section of Q301 before delivered to the modulator 24 yer em ento 7 ntn R3510411 r Service Manuals Contact ON TECHNICAL SERVICES 8 Cherry Tree Chinnor Oron 4QY Tel 01844 2518 01844 enquives mauritron co uk U33104001x2 R7 124640 C029632AA Vers A C029632AB Vers B 29631 117370
66. u dej IV say 4142 4142 say 4 42 say 4142 41 42 say diu say 4 42 say 4142 say 4 42 say diu say 4 42 8844 1 00560 5841 HDcCIZCcOSC ING L GO6OLHS2 HS8HL 4956125255 USBHL HOC TL cose dIWNol 66Z Sc 2 pueg purg y pueg 10 8150641 10 515464 10 5185 4641 J01SI SUP L 101 5154841 10515481 syu uoduo2 5 048409 YYIM syusundwoy 115 dod 62206111 SOSOLI CCN 12011463 61204142 58080210203 12011245 SO8OLT Cex 808071203 S080AL1c2cM 508071203 2806 508071603 6406 LYSO cF f Teesoerer o ccsocrel ceesocrer AAAA RA GLYSOCH cf estsocrer tecsocre l clL Socrer 96706065 92506029 16606029 6 920122669 29251456669 726620559 OLCILZCEED OLTILZEED 126620269 978 296209 VV8696c602 248696509 2081 087 683 0682 6182 8182 1 189 9182 81892 7185 182 6182 1895 0189 608 8082 2089 9082 5083 7083 082 2083 1184 0184 6084 8084 1089 9089 5084 vosu 08H 2088 TOSH rosd 9080 8080 t080 080 cogo 1080 424 Jh I HU 6 35110070 41500070 Jn 00 0 84096 Ant Any uuo 72561 MOTI 7051 uuo HOTT uuo Zr wyo WHO uuo WI uuo 4026 uuo AEE uuo 066 u
67. udio off until the preprogrammed 5 tone code is received and decoded When no signal is being received high fre quency noise is present at the output of the discriminator stage of Q302 on the IF Unit This noise is sampled and band pass filtered by R311 314 C311 and C312 and then ampli fied by a noise amplifier in Q302 the output of which is rectified by D301 to provide DC for squelch switching This squelch control DC the level of which is adjustable by the operator via Squelch control VR201 is ampli fied within Q302 providing a squelch gate control signal output at pin 17 which is passed to squelch gate 0604 FA1L4M on the Regulator Unit Q604 along with Q602 2SB799ML and Q603 2SC2712GR turns off the supply voltage to AF amplifier Q204 disabling it when no signal is received A sample of the squelch gate control signal also causes ON AIR BUSY indicator LED D104 SLM 23VMW via Q107 2SC2712GR on the Control Unit to glow green when the squeich is open Transmitter When the push to talk switch is pressed audio from the microphone is amplified by one section of microphone audio processing quad opamp IC Q701 uPC324G on the IDC Unit After pre emphasis by C703 and R703 another section of Q701 serves as an IDC instantaneous deviation control amplifier to prevent overdeviation from excessive micro phone levels and the two remaining states provide lowpass filtering to suppress out of band modulation and buffe
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70. varactor diodes on the VCO Unit locking the frequency of the VCO to the crystal reference oscillator Control Unit amp Supply Buses Microprocessor 101 HD613901B35 on the Control Unit contains programming in mask ed ROM to generate serial data to control the programmable divider in the PLL accor ding to channel frequency data stored in externally programmable static RAM backed up by lithium battery BATIOI when power is switched off 101 also includes program ming and driver logic for the Liquid Crystal Display and for channel frequency scanning Jumpers are installed during manufacture to select channel steps and frequency range The microprocessor receives an indication of the condition of the noise squelch from the FM receiver subsystem on the IF Unit by which scanning is activated or deactivated 5 CIRCUIT DESCRIPTION Q101 also controls the power saver function and transmit receive switching by selecting the supply buses on the Regulator Unit Q607 0608 2SA1162GR x 2 and Q609 FAIL4M select the TX or RX 5V bus from voltage regulators Q601 M5236ML and Q605 2SB1261 L and Q606 2SA1162GR disables the RX 5V bus when the power saver is active Also on the Regulator Unit the power saver disables the receiver audio amplifier as described previously for the squelch gate 25 cr ue RATS EERE tp iet When the push to talk switch is pressed the impedance change on the microph
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