HX280S/E - Tecnoenlaces
Contents
1. AXS px N 25 5 za a T EU 7 gt RX 353V axe o ca A 1181 RX 0V a an on 55 u7n TX 0V T h zy s d ol yo2. 21 7MHz LOCAL TN 21 25MHZ ERAM dc x 5 0 D100 450 24 0 0 REGSV TX5V RX5V PEGS ZV NOISE 0 0 0 LOCAL SW PLL IC DATA CLK D1017 01021 DAN235E LV2105V STB RXSV 2 3V rx DET 4 gt 2nd LOCA MIC MUTE VCO SWITCH eras 2 CHARGE 541053 25 5006 UM 155400 D 1 1 CE e gt Q10 7 OD D O 5 VCOSV 2541774 gt 550
3. 3 N 25 gt 2 55 SL C1181 nis 7 5 81145 180K mv ang oth Q1005 81005 ale LM290 2PW 12083 01005 LM2902PW Tu 3 0 1 A1131 LM2902PW C1186 C1188 C1192 a C1185 7 R1168 _ Jtv 0 047 0 047 0 047 P 0 1B ur 7K NW i 10v B aa e dE el AE Y dv N al gt Ta own gt p N V IN NN Ox Qa nu Nb Ss 11 n EN 352 du ac T EE T T T gt x 77 SER T TP1034 D 01005 am LM2902PW L 9
4. 81151 NS Ni gt 20 Do R1089 d C1159 NE spy 22 15 T gt i R1118 0 _ 550 M e e 19 Tuo C1176 FIN 01003
5. NST 0 5 zellen gt bOOTH 200177 TZOTO on ans AQ AN T 10070 gt LTOTI 3 30 Akk Ak T 0 T 0 al 21019 STOTO N E gt 6 0 ve 5 NESSGEV AE OF 00 W R 1 sn S00TH 900TH n x e TO of oXs ij l L00TO di SMS EUR p 44 20018 5 AGXH g AGXI gt gt d EMS 6 7 8 iagram HX280S E Main Unit 1 2 3 4 ircuit al oO 01014 MOD 2ND_LO 1001 cosy 4 2 100K Q1014 25C4517 A 5 m po 81089 d Hal 22 sis C11 D um pa a Os 100p 5 5c ons 30 n p mre o e SN 25V M cuo Oo gt 44 va om a uu Mo ces ue Us 7 zr o ws or Os D Der 77 7 7 a Ow O Y ol oo UO 1039 R1041 1045 55 1066 10 70 7 550 180 100 77 7K 7 4 We W gt M1 m 01025 DTC143Z
6. o 48079 81T00 0 eas 58072 2 er um ze AW TH R NT 0 HA c OLh OT Mo 0h0TH LLOTI a 4012 en a l o R R 0 TB n g 5 012 890123 d xi SS a k m EODD 5 cL b901 gt R az AW R 1 oe E a gt gt AGRE it SR Q9lMdETS WS ce OTE 99079 E 5 9012 e T 3j gt 081 89 p M n 981MOZTS WS rent m mW 41 10061865 ZS OTH HEN Ser 89 0 2AH kR 29013 eae o 20 HTOTO m 0 NC 9079 k 08T n 08 Mh T SNE E OLMIS WS azote 89 E as as NO gt lt asoro AN 08T oz 2 98 WS 920718 VL8T9ITLWNS ye _ MW 29 R gt gt 4 gt AN 96 0 0 0 21017 S 2 lt gt NW NW R 2 IWS genre g 0TO TOTH goora e k gt 22 J arg 98L WS 1075 82 di znota NW AM ASS3H tcs k 0 089 nz 2 B 85079 J crore oo 27079 00717 E oF ST q So 20 ze oco a k ty k GOTO om ML ae d 5 0 HEOTO M 5 R OneTO 81000 82675
7. TRANSISTOR TRANSISTOR TRANSISTOR FET TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR IC FET TRANSISTOR TRANSISTOR TAR5S50U TE85L F TAR5S33U TE85L F NJM12902V TE1 LM2904PWR LM2902PWR DTC144EE TL 2SC5006 T1 2SC5006 T1 RQA0011DNS UMD5N TR UMD5N TR FMMTL618TA RQA0004PXDQS 2SC4617 TL R 3SK294 TE85L 2SC5226 5 TL 2SA1774 TLR 25 4617 TLR DTC144EE TL LV2105V TLM 3SK318 TL DTC143ZE TL 28C4915 O TE85L F UPD78F0484GK S BA4116FV E2 BR24LO8FVT W TAPE G1094097 G1094549 G1093592 G1094010 G1094009 G3070075 G3350068 G3350068 G3070392 G3070343 G3070343 G3070334 G3070391 G3346178R G4802948 G3352268E G3117748R G3346178R G3070075 G1093191 54803188 53070102 533491580 51092616 51094519 X Please contact Vertex Standard TRANSISTOR TRANSISTOR TRANSISTOR IC TRANSISTOR IC TRANSISTOR TRANSISTOR CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES
8. a C1176 5 gt P1030 R1130 C1175 R1138 33K 0 047F 230K En AW a4 Q1003 T 81152 V A MC1001 PF0 1055 g Y Y A 81167 R1174 SNS hot 2 2K 2 2K apes ar MIC Na 00 o NUI A Ve Os 2 gt c 7 Q 5 PTT R1147 R1158 TP1019 AWW AW ahaa 81010 1 Gr R1148 14 T _ TP1020 O M 1 Me L 3 a T aks AXE 2 4 Q1003 ux c NUM 2a02v m 7 77 0 gt n Bep 7 R1139 1155 0 gt 1028 x1002 259619 Rue ARA 7344 a AG ROL 8304MHz a ya ON 7 777 81184 P1035 22 AW TP1026 c Nx Nx D1024 VMZ6 8NT2L 777 1255 C1236 11017 81109 81120 81197 81198 es 27K 15K 0 220 xxx 100K 0 5 0 5 15K 7K 001u 0 0041u 0 18u 0 120K 0 5 0 5 TP1021 OTP1022 OTP1023 OTE RESISTOR VALUES AR CAPACITOR VALUES AR a T CAPACITORS ARE TANTALUM CTOROLYTIC CAPACITORS A NDUCTOR VALUES AR COLLES UES ARE INH UNLESS
9. c1228 Un c11u3 HH PAR 02 0 EVAR 022 PKH b1006 ra TP1008 VR1001 01010 01015 HX280S E Unit Side 1 Parts Layout DS1001 8 1195 vv R 1097 9 1001 Br 022 O N e 4 107 Ri od R14 09 Ri oS RT 02 mM 2 5 52 EWAR 1 12 VR1005 001 2 D S bre sip Bro 51008 G C Dao gt TEL 1 4 146 HX280S E Main Unit Side Parts Layout VR 1004 N m fs E E wi N a N A x 1160 HA r1175 w ch 234 MH FAH c1018 1027 c1007 HA N D in m x E E c1097 HH gt 5 R1183 c1215 HH E UN KA gt mm amp N gt N R1006 cios HAH R1005 01184 81140 11 1 1053 C1179 HHHc 2 y C1198 1199 PWTR1185 EE R1181 a EWA R1179 G1 20 7 1211 HA i D El ES uU D1009 Gch ES 9 ESA 1010 D N 21194 BI KIDS C1067 An a G 1078 m SH 1017 Hr 5 1 043 R1059 C1 086 Rioug CUE VV RI 048 R1055 Mm 2 Sr c1094 9 a L1018 mm L1029 77 go
10. 9 LY o gt Ry LM2904PW o mes mob N i ME Yo 77 J B 45 gt oo gt na EOS E 81020 541 I DTC144 z x SWB SWB TX5V R an MOD 3 2 AXSV RX5V BEGSV REGSV VCO_OUT lt gt VCO_OUT a a doz 01014 KEF 2ND LO 81001 5 N 100K de Q1014 25 1617 5 m po 81089 d d 22 AKT IT C1115 21076 2 o E p ons AW m Fe om AN 77 25V M So Oo gt 44 va om E Daum UL 7 Wr NG A Oo 00 a 77 7 7 Mpi mn Ow a en o9 ons ii it 55 er 81021 LV2105V at 1049 R1041 1045 7 v 2 330 180 100 LIK KK gt M e MM AW 7 e Q1023 8 14314 552 mo 91017 gt D1018 Sn E c nS 2SA1774 0 2 atl 85215 30 oO u TP1008 ov 9 81185 7 77 77 7 m om ple M H1071 AN AB1001 gt a 4 7K MNROHMDABU102 4 Sao TU gt E NW 21113 1023 C1123 a Da 5p CH 0 08200 001 B x I Im 77 So NS gt Pxav 5
11. A 5 i Base Emitter Base Emitter Base Emitter 2SA1774 FR DTC124EU 25 DTC144EE 26 Q3006 Q3008 Q3003 3004 3005 CD 46 Charger Cradle Parts List REF DESCRIPTION VALUE vw TOL MFR SDESIG VXSTDP N VERS LOT SIDE LAY ADR Pied Board O 4 Printed Circuit Board FRO19300D K22140811 K22124805 K22124805 K40129107 K22124805 K22124805 GRM21BB11E104KA01L GRM188B11C104KA01D GRM188B11C104KA01D UVR1C470MDD GRM188B11C104KA01D GRM188B11C104KA01D C 3004 AL ELECTRO CAP C 3006 CHIP CAP UJ UJ UJ UJ UJ D 3001 LED FDL 322HRG ZW1 CA G2090810 1 D 3003 DIODE UDZS TE 17 6 8B G2070888 1 D 3004 DIODE 188355 TE 17 G2070470 1 j FCC162024DPP 00000147 __ __ LePesot orooe i _______ e TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES TERMINAL NJM12903R TE1 BAJ2CCOFP DTC144EE TL DTC144EE TL DTC144EE TL 25 1774 TLR 2SB1201S TL DTC124EU T106 RMC1 16 332JATP RMC1 16 392FTP RMC1 16 104JATP RMC1 16 393FTP RMC1 16 393FTP RMC1 16 222JATP RMC1 16 124FTP RMC1 16 124FTP RMC1 16 103JATP RMC1 16 103FTP RMC1 4 2RAJTE RMC1 16 102JATP RMC1 4 102JATP CHRG G1093336 G1094174 G3070075 G3070075 G3070075 G3117748R G3070195 G3070045 J24185332 J24183392 J24185104 J24183393
12. 1001 CD 91004 5 a 02 5 gt 191022 Pp TP1022 1014 HA c1049 B 5 600tdL rh MEDID 10202 ea a E vrais Y mas m 522 12 nel in m in D N N i Sch Zar j Benzin 2828 82 a 4 Y o o e aD E Evakar a EN m gt NE e parole a gene sp SQ 3 pontis o A gt E T EW so y m E 2 56010 A B m 2 Ka 5 a v m m E 2 2 N N 8651 lY a a E 2 a a u e Ft gt 1 3 HEX e E 2 DDLa4 2 3 i e 3 BEES E B i CD Cp ps T 4 lt ten T 4 ES E 4 N 19015 05014 a a Jh HO E m 4 N m D M TS m o fN in gt 2 ge 2001 EO LEO yev ERA 020 FMR 022 TP C1229 VR1001 61231 oro10 0101 921 R108 ww c1116 HH R1B75 wv E 81004 5 1092 HH R105 A Ria E E m vv 190 131 zu 50019 004 gt Pin 15 Pin 60 Pin 20 Pin 41 uPD78F0484GK Q1025 Pin 8 N S 4 Pin 1 LM2904PWR Q1004 Collector
13. en 2504617 MODULAT 01005 DJUST REGS SV 002 1290 2 R1001 LP M12902V REGSV EGS ZV UL WA D N 3 PTT gt 4 lt 0 AF a URGE le ROTECTOR gt COM 5 1024 O lt MZb 8NT2L x lt WA E lt J DON PTT lt u cD ws WB SEK E e DS1001 MES TX DET 27 gt 77 MPU TX SW gt SREG3 3V Q1025 gt AMP SW NTERNA UPD78F0484G6K S AMP_MT gt Q1030 gt b OHMS m 0 7 TX_HL gt 5105 1 LL gt SWB AE gt 2SA17 7 01033 FMMTL718TA REGI LAT HX SW RXSV SW MIC_M gt DC 5V gt AX5V Q1011 4 UMDSN KRX 205 5V k TARSSSOU sel CDA a lt TX lt gt COMM WEEZE gt TX5V Q1010 CPU CLOCK UMDSN BZ04UMHz TX SW Note 1 Receive Signal Path Incoming RF from the antenna jack passes through a low pass filter consisting of coils L1001 L1002 amp L1004 ca pacitors C1005 C1014 C1015 amp C1019 and antenna switching diode D1004 RLS135 Signals within the frequency range of the transceiver en ter aband pass filter consisting of coils 11013 and 11016 capacitors C1060 C1064 and C1067 then amplified by Q1015 and enter a Varactor tuned band pass filter con sisting of coils L1021 amp L1022 capacitors C1106 C1107 C1108 C1120 amp C12
14. 2 6 c1030 y 2 gt 2 y QUES ud E Wy om 2 ae E m q C1236EB n e 2 UA S N um 77 C a Source cc Collector 1 1 Emitter 2 Collector Collector Giles Collector ninis Cathode 1 Anode 2 Pin 16 d Pin 8 T k NENAS lt Pin4 L Gate Drain 4 GND Emitter 1 4 Collector 2 Pin 1 Base Emitter Base Emitter Drain Source Base Emitter Source B Base 1 Anode 1 Cathode 2 BR24L08FVT Q1027 BA4116FV Q1026 LV2105V Q1021 LM2902PWR Q1005 NJM12902V Q1003 Pin Sa 4 Pin 1 TDA2822D013TR Q1032 25A1774 FR Q1017 1031 FMMTL718TA Q1033 2SC4617 BR Q1014 1018 2SC4915 QY Q1024 2 5006 24 Q1007 1008 2805226 R22 Q1016 35 294 UV Q1022 3SK318 YB Q1022 Collector Base Emitter DTC143ZE E23 Q1023 DTC144EE 26 Q1006 1029 1030 Collector Base Emitter FMMTL618TA L68 01012 RQA0004PXDQS 01013 Drain Gate RQA0011DNS Q1009 SN74LVC1G66 Q1034 VIN CONTROL NOISE GND TAR5S33U Q1002 TAR5S50U Q1001 UMD5N Q1010 1011 DA221 K D1019 Cathode 1 2 Anode 1 Anode 2 DAN235E D1017 RB715F 3D D1002 Cathode 2 Cathode 1 Cathode Anode 1 4 Anode 3 Anode 2 IMN10 N10 D1020 MAIN Unit Parts List REF DES
15. 2 L SL 0 250 1029 4p CH ABT y ye 0 0474 8l Qu on _ _ T S T E un atr o J J E AL AN 1 O CJ M Ll x Y N 0 AN a 339 Y 090 Y 20 Zoro Sor Snr TO AWS om op ox ens 51 552 0 A a a 5174 Im E ib om ola 1P1001 a os QN Os Ox OF oY 28 U T E997 amp BOT SH DF Os E id 7 7 7 77 77 77 7 7 1004 81025 4 40 70 220 _ a El za L Il LTH mM 7 _ o Sn o 5 Be e e A gt R1065 40 N nS N N Ferm 220 N a S S52E57 SN 392 2D Ax 28 2 4 E N Oo OS 1 24 0 Q3 a OG og Ay oY VOL wOL EL je mo Oo ARTS ao E o UN Ag o on Do le T R1015 R1194 C1225 77 330 330 0 001B gt MN AW MN 01002 nL E ne Q1013 RB715F NO AOL RAADDOUPXDOS C1081 Q1016 cT SeT ex C1054 C1057 15 CH 250522675 5 Da ON 0 001 82p CH gt 77 77 4 0 de EXT S o m Ss 31099 1S 2460 564 ce S Ser RQA0011DNS Sir Cot Sir x 40 O ees oun 0 D Do 77 oss 77 77 7 FEE 77 77 77 81010 T 2 2K Wr R1021 R1033 Mon oF 2 7K 7K c1092 S So WW AM 0
16. STANDARD HORIZON VHF FM Marine Transceiver SERVICE MANUAL EMO38N90A Specifications 2805 1 Frequency Ranges Channel Spacing Frequency Stability Emission Type Antenna Impedance Supply Voltage Current Consumption Operating Temperature Case Size x H x D Weight Approx Transmitter RF Power Output Modulation Type Maximum Deviation Spurious Emission Microphone Impedance Receiver Circuit Type Intermediate Frequencies Adjacent Channel Selectivity Intermodulation Hum amp Noise Ratio Sensitivity Selectivity AF Output Internal SP TX 156 025 MHz 157 425 MHz RX 156 050 MHz 163 275 MHz 25 kHz 5 ppm 4 F to 140 F 20 C to 60 16 50 Q 7 DC Negative Ground Battery Terminal 320 mA Receive Typical at AF MAX 50 mA Standby 1 6 0 7 TX 5 1W 4 to 140 F 20 to 60 C 2 20 x 5 24 x 1 08 56 x 133 x 27 5 mm w o knob amp antenna 10 9 oz 310 w FNB V105LL Belt Clip amp Antenna 5W 1W 07 4 Variable Reactance 5 kHz 75 dBc typical 2 Double Conversion Superheterodyne 1st 21 7 MHz 2nd 450 kHz 70 dB typical 68 dB typical 40 dB typical 0 25 uV for 12 dB SINAD 25 kHz 70 dB 700 mW 16 Q for 10 THD 07 4 V Performance specifications are nominal unless otherwise indicated and are subject to change without notice Measured in ac
17. The filtered audio signal is applied to varactor diode D1014 HVC306B which frequency modulates the VCO 01008 25C5006 The modulated signal from the VCO Q1008 25C5006 is buffered by 01007 25C5006 The low level transmit sig nal is then passes through the TX switching diode D1017 DAN235E to the buffer amplifier Q1016 25C5226 driver amplifier Q1013 RQA0004PXDQS then ampli fied transmit signal is applied to the final amplifier Q1009 RQA0011DNS up to 5 0 watts output power The transmit signal then passes through the antenna switch D1003 RLS135 and is low pass filtered to sup press harmonic spurious radiation before delivery to the antenna Circuit Description 4 1 Automatic Transmit Power Control Current from the final amplifier is sampled by C1011 amp C1022 and R1004 amp R1008 and is rectified by D1002 RB715F The resulting DC is fed back through Q1004 LM2904PWR to the drive amplifier Q1013 RQA0004PXDQS and final amplifier 01009 RQA0011DNS for control of the power output When the microprocessor selects High or Low pow er levels pin 66 of Q1025 UPD78F0484GK to go low at High power selected or pin 66 of Q1025 UPD78F0484GK to go high at Low power selected 5 PLL Frequency Synthesizer The PLL circuitry on the Main Unit consists of VCO Q1008 25C5006 VCO buffer Q1007 25C5006 PLL sub system IC Q1021 LV2105V which contains a reference divider serial to paralle
18. R1D24 R1160 g _ BE ri TAL C1193 4 e AA 2 2 01189448 6 BEER B BE 01029 R1150 eG al La J SEEN m m E m R1123 ad BE 38 5 1 7 18 cares 24 52 PE 4 RIA 5 BE E BE C1185EH IH om D ac 4 38 n 123 B c1176 c1159 E E B B B gt r T Y N D gt o in BE mM R1138 M RIIB N 5 Lr me my 5 T t 5 C1496 R1164 1168 IF a c amp 1032 Ew 1030 R1027 AN HX280S E Main Unit Side B 1 Parts Layout Note a STANDARD HORIZON 2009 VERTEX STANDARD CO LTD All rights reserved Marine Division of VERTEX STANDARD US Headquarters 10900 Walker Street Cypress CA 90630 U S A No portion of this manual may be reproduced without the permission of VERTEX STANDARD CO LTD
19. T 2 N Ph B NY RL an gt BS C1197 81165 81200 81201 4 oo 0 1 B 550 330K as 77 77 77 AW W NN e Lo 01029 01054 t 777 DTC 144 BN74LVC1G66_DCKR 81155 SSA N 18K om AW 4 81170 M 77 1275 22 x R1132 A1175 R1199 R1182 NW WV AWW e T B un J M x D gt gt gt a Mot Ax 5 Ox Ma ZS a Ox un 77 YT e AV A1176 47K 4 Dx VA1004 C1207 i E m AF VOL o WR SW A SWB gt a O lt i 01055 P 1 7 jm DTC143ZE T Q gt A cot ue NX 7 x m QU E gt 7 D ES E 1027 TP1032 asii Dol ar O 55000255 vom i SP t P1036 no ERE nd o 4 1 O Go ERS AH Som Sag s J1003 om Os 55000255 77 777 77 01033 FMMTL718TA E s DiN 81030 J3 T T T TCiU4EE m as 10 30 3 c MN 81161 em Soe Va Am 10K 81175 MW 7 7 zen 9 o dH NS 20 Do JAS 50 TP1038 COM gt O TP1028 e TP1039 Sp CH T TP1040 071 O mrc p 5 O TP1030 A1130 C1175 A1138 pal US ZZK 0 047F ZZ0K o P1031 GND AW as HA Q1003 12902 R1152 C1191 5
20. 1 uV for 20 dB SINAD 25 kHz 70 dB 700 mW 16 Q for 10 THD 7 4 V Performance specifications are nominal unless otherwise indicated and are subject to change without notice Measured in accordance with EN301 178 2 EN300 698 3 EN301 843 2 EN60950 1 Exploded View amp Miscellaneous Parts CP9402001 HX280S USA CP9402002 HX280S EXP CP9402003 HX280E EU CP9402004 HX280E FRONT PANEL 55 RA1078700 KNOB VOL RA1089500 SPONGE RUBBER WINDOW G6090189 LCD RA1078900 LIGHT GUID LCD RA0905300 COIL SPRING C065 RA1079100 LATCH NAIL RA1079200 LATCH PLATE RA1078800 HOLDER PTT RA1079600 RUBBER KNOB PTT RA1080100 HX280S RA1101200 HX280E RUBBER KNOB RA1081000 INTER CONNECTOR LCD RA1089600 REFLECTOR SHEET Unsolder the three battery terminals e El to remove the MAIN Unit from the Rear Case RA1079400 RING NUT VOL RA1079500 RUBBER PACKING VOL CS2020101 TERMINALASSY RA1089600 RUBBER PACKING TERMINAL RA1078500 CASE COVER REAR RA091970 O RING 6x2 2 0 Q9500143 NC 90C 230VAC Wall Charger Type C plug Q9500144 NC 90U 230VAC Wall Charger Type BF plug CB4777001 CD 46 Charger Cradle MAIN UNIT RA1079800 RUBBER PACKING CASE CP9401001 REAR PANEL ASSY 9 2 9403001 BELT CLIP ASSY Non designated parts are availabl
21. 902 BEGSV 8 8 8 af 5 z 2299 NUM12 5 epe a x lt g 4 TXSV 404 zu monis gm 9 gt 3 DX IX gt Y i DS JLo Lm 404 ee 2 2 selecta RX TP1005 o a fa Yloz 91010 O 0V az TX 4 78 V RX 2 TPLOO2 V TX 3 29 5 TX_SW 4 HIHI necc 1 3 WALD C1149 9 pee s s 8 ER 9 47 Rasa DS1001 ET S13 i gt B Da d js 38N B 1 r FLMDO FLMDO 55 x1002 CLK SFT az at TP 1007 5 zd 304MHz l5 SE s RESET 9 8 in UMDSN RX 3 29 V i ON 1001 TP1003 TI OV TARSSSOU O4 are Sy L dn lo e do ir E 4 AEGSV 4 AX_SW 258 ST Kx gt oa 01025 gt els sl ST Seng Gs UPD 78F 0484GK 5 VLC3 BE ar a 5 NUNT Kate 8 51001 Y 81008 Y 81907 i 8 81104 100K KRO Z zy R1140 7K 4 FEN x 4 e AW t R1141 7K La NW 0 RO d ail Sal lol loca RLO am cT aot a 23 008 TP1025 EM 5 Us 81107 4 7K gt 51002 51005 819 m 30 mm TP100u En 01027 LT 3 BR2ULOBFVT W or TP1035 5 5 5 i AN O a 60 4 2 5 T rie b 1009 TP1026 T Sx 51005 500 x e e KR2 O Nx 21024 o rfo a VMZ amp 8NT2L d A
22. RMC1 16S 220JTH RMC1 16S 220JTH RMC1 16S 184JTH RMC1 16S 474JTH RMC1 16S 222JTH RMC1 16S 183JTH RMC1 16S 223JTH J24189045 J24189045 J24189045 J24189041 J24189005 J24189013 J24189049 J24189049 J24189029 J24189049 424189050 424189009 424189017 424189037 424189029 424189025 424189029 424189024 424189005 424189045 424189024 424189026 424189045 424189028 424189029 424189025 424189057 424189037 424189044 424189044 424189389 424189386 424189382 424189378 424189374 424189370 424189036 424189070 424189013 424189025 424189025 424189025 424189051 424189037 424189037 424189055 424189050 424189049 424189029 424189005 424189057 424189037 424189037 424189037 424189039 424189057 424189043 424189043 424189040 424189037 424189029 424189055 424189070 424189033 424189033 424189070 424189005 424189005 424189052 424189057 424189029 424189040 424189041 HX280E HX280E HX280S B B A A A B B B B B B B B A B B B B B B B B B A B A B B B B A A A A A A B A B B B B B B B B B B B B B A A A B B B B B B B B B B B B B B B B B B B REF DESCRIPTION VALUE VW TOL MFR SDESIG VXSTDP N VERS 107 SIDE LAYADR 1 a3 CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RE
23. SHEET HEAT10t2 VXSTD P N Qty U23108020 BIND HEAD TAPTITE P 2X8SUS Circuit Diagram T 0 5 TP3012 0 50 11 51 o gt 05004 n n R301 p 188355 gt gt AN m m ox SN gt MX ON 12V REGULATOR P3007 5 95002 BAJ2CCOFP Segue D3001 Sen l FDL 322HAG ZWi AW I 1 4W Ee aot l 03007 c C 2782 Y ar i 258120 ISTP FA ra 95006 TP3005 TP3006 oO TP3009 03005 03005 7 DTC144 DTC 144 85011 10K wn Aye NW men 0300 0008 DTC144 DTC 12UEU Na AC 25005 q AW 1 x 77 77 n 118 Om o 75002 Maz oTo 4 T 5001 8 JM1290 ZR 2 ue 93012 10K 7 zen ye i V 1 5 Sa 05001 n or 1 22 om 1290 5 o mx mS m o Q C3007 25 CD 46 Charger Cradle Parts Layout J3001 EM Side A Side B N Pin 8 Nt Emitter ee A Voc Base Pin 1 BAJ2CCOFP 2SB1201S NJM12903R Q3002 Q3007 Q3001 Collector Collector Collector
24. 0 1uF 0 001uF 0 01uF 0 1uF 0 01uF 0 1uF 4 7uF 0 001uF 0 1uF 10uF 18pF 0 047uF 15pF 0 001uF 4 7uF AT pF 22pF 4 7uF 0 01uF 0 1uF 0 047uF 0 047uF 0 001uF 0 001uF 0 0056uF 0 047uF 1uF 1uF 0 001uF 0 1uF 0 1uF 10uF 0 01uF 0 01uF 270pF 0 1uF 0 0047uF 4 7uF 0 01uF 220 0 1uF 0 001uF BT 1uF 1uF 0 1uF 0 001uF 0 001uF 0 001uF 47pF 47pF 0 001uF 0 001uF 1uF 0 001uF 0 001uF UVUVWDWWUWWUWW I I WWWWWOOWWWWWWWWW WWWWWWW uv UY UY UY UY UY UY UY UY UY UY UY UU UU UJ RLS135 TE 11 RLS135 TE 11 SML 512DWT86 SML 512DWT86 155400 61 SML 512DWT86 155400 TE61 SML 512DWT86 HVC350B TRF E HVC350B TRF E SML 512DWT86 G2070128 G2070128 G2071116 G2071116 G2070634 G2071116 G2070634 G2071116 G2070596 G2070596 G2071116 MAIN Unit Parts List BEF DESCRIPTION VALUE VW TOL ___MFR S DESIG ____VESTDEN VERS LOT SIDE GRM155B11A104KA01D K22108802 B TEESVA0J226M8R K78080047 B GRM155B11A104KA01D K22108802 B GRM155B11H102KA01D K22178809 B GRM155B11E103KA01D K22148834 B GRM155B11A104KA01D K22108802 B GRM155B11E103KA01D K22148834 A GRM155B11A104KA01D K22108802 B C1608JB0J475KT K22084804 A GRM155B11H102KA01D K22178809 B GRM155B11A104KA01D K22108802 B TEESVA1A106M8R K78100028 B GRM1552C1H180JZ01D K22178218 B GRM155F11C473ZA01D K22129004 B TMK105CH150J F K22148218 B GRM155B11H102KA01D K22178809 B TEESVA1C475M8R K78120031 B GRM1552C1H470JZ01D K22178228 B UMK105CH220JV
25. 06 L oats ers ay Q1017 1 01018 n T e un 2SA1774 A ul Sp 85215 30 oO oO RER gt TP1008 R1193 7 77 77 m I Bes Eae ius AW RB1001 gt M I AG A Gao FN MN C1113 1023 C1123 TREE ex 5p CH 0 08210 001 B ivi Ov IM 1 77 77 Sr at Aar Ann 77 g OL NOIL gt ya Ag OS zin x o 77 O yy Ee m 9 c J gt a 5 lt x E a T un E e 3 a 3 Ef a 0 en D XY nye lt u on o o o o Gor SP SCkSCKS FESTE CNS a e Jao 77 TX SW 2 5 3V 515 i gt 512 512 Sil ab 11 510 A 3 S10 S8 T 59 Sa a HX SW 58 57 d 9 55 56 55 55 Su 54 55 s2 A s2 51 Si 50 La 50 5 1 E Co H N N L gt O x x a gt u T E lt x ul lt al a x m N Se a4 R1195 7 0 0 Ax Nx Z n a aaa 77 7 T a nca HX280S E Main Unit 1 Circuit Diagram 5 7
26. 9 5p CH m 0 x NUM12902V zu 81005 4 Ao e C1141 8 49 C1153 1290 2V R1130 C1175 81138 55 55 Un 8 OS 1101 1108 se 81115 6 a oe 330K Es B 2K 1K ots AW AW E 238 81100 72 81005 T 39K an os JM12802V R1152 61191 4 ove a nS 1 S 5 6K 0 00561 01023 2 4x My T7 4 A DTC143Z a TF Um T e 7 7 T 01018 or Dy 81146 85215 30 0 LL M 470K T Mo em Be NY on he Os r OS OA om 77 77 ES N i A e N a4 Da gt 77 HEGSV H E lt 81147 81 TP1019 AWW R1148 13 _ n e ofofo ofa afof af TP1020 O e ala ol ala o lt EE Y Y A Y YI In LL o x x 4x3 lt ofl a x G1 gt NUM 12 77 vw Vicz Ti iiem OH O AH E 77 O N rs SE 315 000 N 2 C1149 zi 2 x X G O0 o O0 ER 0 47 Lu 512 O m F R1139 511 R1133x xxkx 0 a 511 510 4 X FLMDO poii 3 S10 FLMDO La ER p 1 Q 028 1 59 B x1002 11 SB ty EN e faa ata ANG Des 05 ROL a 8304MHz Lo Sb TAG 3 56 al 55 77 7 5 55 52 St 01025 num uk 5 s4 T 55 UPD78FO4BUGKIS en x 55 gt s2 Ass 9 G1 ATIS
27. CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES DTC144EE TL DTC144EE TL 25A1774 TLR TDA2822D013TR FMMTL718TA SN74LVC1G66DCKR DTC143ZE TL DTC144EE TL RMC1 16S 473JTH MCRO1MZPD3303 MCRO1MZPD4703 RMC1 16S 103JTH MCRO1MZPD8202 MCRO1MZPD1503 RMC1 16S 223JTH RMC1 16S 103JTH RMC1 16S 221JTH RMC1 16S 222JTH RMC1 16S 223JTH RMC1 16S 221JTH RMC1 16S 681JTH RMC1 16S 220JTH RMC1 16S 331JTH RMC1 16S 101JTH RMC1 16S 472JTH RMC1 16S 472JTH RMC1 16S 103JTH RMC1 16S 220JTH RMC1 16S 272JTH RMC1 16S 220JTH RMC1 16S 221JTH RMC1 16S 563JTH RMC1 16S 333JTH RMC1 16S 181JTH RMC1 4 680JATP RMC1 16S 181JTH RMC1 16S 153JTH RMC1 16S 102JTH RMC1 16S 181JTH RMC1 16S 683JTH RMC1 16S 472JTH RMC1 16S 473JTH RMC1 16S 181JTH RMC1 16S 222JTH RMC1 16S 223JTH RMC1 16S 101JTH RMC1 16S 331JTH RMC1 16S 471JTH RMC1 16S 181JTH RMC1 16S 224JTH RMC1 16S 334JTH RMC1 16S 472JTH RMC1 16S 101JTH RMC1 16S 472JTH RMC1 16S 823JTH RMC1 16S 474JTH RMC1 16S 222JTH RMC1 16S 331JTH RMC1 16S 473JTH RMC1 16S 222JTH RMC1 16S 151JTH RMC1 16S 101JTH RMC1 16S 473JTH RMC1 16S 101JTH RMC1 16S 220JTH RMC1 16S 473JTH RMC1 16S 682JTH RMC1 16S 103JTH RMC1 16S 393JTH RMC1 16S 221JTH RMC1 16S 473JTH RMC1 16S 473JTH RMC1 16S JPTH G3070075 G3070075 G3117748R G1091542 G3070335 G1094046 G3070102 G3070075 J24189045 J24189330
28. n Base Emitter DTC143ZE E23 Q1035 Collector r1 Base Emitter DTC144EE 26 Q1020 1036 Anode 1 2 Cathode 1 Cathode 2 VMZ6 8NT2L 6C D1024 15 MAIN Unit Parts Layout Side B 16 E a 25 48 801159 01212 3 x1002 ai 028 Be E 01021 a 2 ED a re A _ lt R1119 EW gt 164 2 Ser vv 1201 0 ES um 2 pus C1158 E A FW 1182 El Sas EB 4 C1161 5 E R 2004 213 n m N G H c 234 EA 81120 ERA dE E kn erg muB c1174 608 EARS EVA 81202 R1157 RIISU Rifuq C1181 R1131 8 Bg 5 la rr Jum s E a EVA 2 38 BE R1152 Ev vg E E i Er rd 411652 C1156 ci202 dH LD I ee 167 j ci200 4H or iy CT192 64188 RIT Writer c1152 9 ume El 0 1065 18 Eva wa lt Asin 5 A Amps HH a 2 m o eq En 2 a A ER om y 8 sen ls omer 5 2 8 ER e r a BL 81006 R 003 Io 94001 pH N gt 5 7159 61172 En
29. 2 Remove the VOL knob and Battery Pack from the transceiver Remove the two screws which located at the bot tom side on the battery compartment Carefully pull out the chassis from the Front Panel Refer to the Exploded View on the page 4 Set up the test equipment as shown below and set the DC Power Supply voltage to 7 4 V Execute the HX280 Service Flag Controller Program Select the COM port number which is connected to the HX280 Alignment Jig Press and hold in the PRESET key while turning the transceiver on to enter the Alignment Mode Select Alignment ON Radio But ton of the HX280 Service Flag Con troller Program Click the left mouse button on the SET button of the HX280 Service Flag Controller Program 3 4 HX280 Service Flag Controller Alignment ON C OFF Test C ON OFF Frequency Counter VR1002 VR1003 Antenna Switch VR1001 RED Regulated Power Supply BLACK 19 2 Main Reference Frequency Adjustment Turn the Antenna switch to the TX Alignment side Remove the solder jumper JP1001 Set the channel to CH16 Use the H L key to set the transceiver to LOW power With the PTT switch pressed adjust TC1001 so
30. 59112 i ze 1 0 8700 0 N x no LS 29772 29110 gt NO ax 9 e7333 sa cc a SM gm i T9112 LZITH a m E nm 2 o I27 0 m nz E e MEL d MN R oD N N a T _ Ay STITH ot OST E Oz 5 J AW one E im cCIITYH TITY SSTT 5 25 26 0 on 1 gt en QuE pe 8900 0 AMT 06770 i d d A n 4 9500 0 g3 BhHTTO zM Issu M 3SION 2 OX LHTTO NIX a O ss m 430 zl je 8t 0 b As or O0CTH zooTHL A n On _ BbOTH x g o r 10 0 OG za o OHTTO SN af oN in oz ac 2 ag 2 5 N 9b0TH gt 0 SbOTH 5 5 dst u CHT TOx 00 NN ME DET Ach Zb0T8 12017 26018 0 h _ ASSUH g ous 40 a k BETTI N lt aal gt 58 Ach mN T 060TH N M gt 85 3 R ASXH oq aeu Zee INO OIA gri En 0 m 7 SEIT Y NM an 8 r 0 an Im SETTO D ons O HX280S E Main Unit 1 Circuit Diagram 5 67
31. 6 7 8 ircuit Diagram HX280S E Main Unit 4 10 cuna 0T NW an HoT ar m ny Borto 4STTH OF I a2 ObTTO 0 2445 zu en 323 k Tn TT NY 01 8 NS ZETTO E Ot TF i WO gt NZ 829 E E 0o Q Las N SE d OSTTH Dy A GOTT 358 a E n bhTTE 1352 52 y gt RES pe EST E 004561 al m o T m z gt 0 28 en 1 vo 3SION gt CG OL Oy gt gt hHhTTE A 08TI2 a me oD i gt 4 ct g 100 0 E 03 chTTE LLYTO 8LTTO 2 MW R 4 gt ett n W M 2n TM 9eTTH 4 HEITH GETTH 2x2 oa ux 527 dyg oc a Fa NOT OT DT ELTTO do 5 d py N rn 871000 AHHH b9TTO 8 o Y A x e 170 ag ox AW NYS LOTTO cR em XE gt E a bEITH SOTTO T gt MW 04h Zg 8 10 0 R TE ZEIT
32. AWISE NOTED HX280S E Main Unit 1 Circuit Diagram 5 6 7 HX280S E Main Unit Side A Parts Layout TP1037 EWR 1186 Q1 035 TP1036 HH c 1232 EN C1010 dg EHE 61216 4220 91002 Pareto EB P1002 R1072 wv Pw 1034 TP1038 ER BC106 72 1037 VR1 0023 ES Ne 01020 R1084 Ev H Cac am N N e ci 16 HH N 2 y Es TP1031 TP1028 A 1 075 vv was WP Wee D SP p TP1027 1030 MESAS TP1004 1007 re 4 11 72 R1D64 AA E HA 034 o a 1 1 c1092 2 n 1001 C1233 TPTGuQ 8 3 R1049 L1009 amp a T c1058 41038 5 TP1011 TP1016 N L HH Ew R1023 1226 C1049 01026 TP1006 RI 050 Ew TP1005 D1027 C Cp QD DD Cp P 5 gt u lt gt ul V gt 21010 701 EVA R 1050 FAH 051001 01005 1228 HH 1195 RA c11u3 HH R1 097 FR 020 EVARY022 91206 91025 Fc 1146 9 EY Ramo 9 at A N ul 1158 an 1 12 u9 u
33. BE noel 5 I 7 my m T 8T 58 91194 C1225 3 m OV RX SIGNAL 40 dBp 0 02 V i Ex mxse 2 5 11005 81015 330 0 0018 C1105 BPF HIGH 2 ii C1099 10022475 330 aM 0 001 B S oe 4 T 91013 Ei A1176 1 16 em BGAU00UuPXDGS 81079 a v 7 X 15 2 2K H d 34 NR MW VR10 OL ox c osu C1057 gt 2g a 0 0018 82p CH 1 A d 2 1200 VOL 3 411 i a 2 5 Us SW 77 ar Dx El n a 01021 i Su Da 0 01004 5 ox Se So o 8 de 2 42 00 1 1DNS a 75 58 2 Fe 25 25 swa jaja o T E 01035 81053 me u 5 RX 7 35 V DTC 143ZE 7 40 V 2 2K 81021 a 21 1 m 2 7K W TX 0 40 Yeo 92 m ao DA lee ES jm os m muU 0V Hl u 238 ny oom z Sa T OS iso ao Go 25 V 75 EU E 2 2 cos TX 1 12 V E 2 m gt 7 TX 2 21 V 7 E e id o 77 01004 gu 25 N 01004 LM290UPW aux zen a gm Nx _ 290 ga an ue BNO 0G TP1005 Sa ax 55 F O S 58 eT ol gt x 5 e kr 43 zul al TP1027 TP1032 31002 its ii El dy siis 188 22 3 11 V ES
34. Bae i 587 1 EI s TX 0 82 V Spx 489 RX 4 67 V at NL E 3 7 es 9 t 02 R1188 n e 0V zer R1l4S 5 Sinne as 100K 100 TX 0 95 s 180K 1035 Nx WW CD1001 an je en 9 LM2902PW ae 25 3 UTBMESOCX24 01005 9 055 C105U C1073 35 ox Na ire 1 81005 Asa C1196 R1108 8 C1001 L1002 L100u L100b CES 5 4 1171 LM2902PN c1186 C1188 citaz y 0 18 4 7 ot 0 001 E 0022401 10022545 0025101 m L gt 01120 01022 81098 1001 XF1002 81128 9 1 91151 dey 02 050 d i iH m 3 za LIO IN eT 1 Qu C1107 8p CH 0 0018 3SK318 820 21R15A 21R15A 15K 5 4 1 10 B 10 E m B SoS EL no nv n CH ip CK 4 i 25 4915 0 AW i i a 222 34 2 a7 Em 5 i RX 1 82 V ax 5 Ss ds c1230 C1023 Su d Mx e N ES nr 5 5 c1015 2 ty MO a 2 En LE do pe mi os om 251 exi 851 NEC n 5 loz 5 o Eg TX 0V a2 axe So 2 128 4 E TP1034 mex 2 Soon xm nom G9 o ao2No 1t 1 o Ma 22 851 3 2 or ENS ono ox on ee m c am wn I c QC Il nx Zo oM es 1017 D 01005 E ds az 5 cb N oL N ox 29 Sets on 3e g g
35. J24189332 J24189037 J24189385 J24189328 J24189041 J24189037 J24189017 J24189029 J24189041 J24189017 J24189023 J24189005 J24189019 J24189013 J24189033 J24189033 J24189037 J24189005 J24189030 J24189005 J24189017 J24189046 J24189043 J24189016 J24245680 J24189016 J24189039 J24189025 J24189016 J24189047 J24189033 J24189045 J24189016 J24189029 J24189041 J24189013 J24189019 J24189021 J24189016 424189053 424189055 424189033 424189013 424189033 424189048 424189057 424189029 424189019 424189045 424189029 424189015 424189013 424189045 424189013 424189005 424189045 424189035 424189037 424189044 424189017 424189045 424189045 424189070 Parts List BER DESERIPTION VALUE VW TOL ____MER S DESIG VXSTD PIN VERS OI SIDE AY ADR W0U0UUOU gt U00U0 gt 00000000U gt U0U0000000000UuU gt 00U0 gt 0000000000 gt gt 0U0 gt 7 gt 00000 gt gt 000U gt UU UUU27UU UU 000 UU MAIN Unit Parts List REF DESCRIPTION __VALUE VW ERE DESIG _VXSTD PIN VERS IT SIDE CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP
36. c1098 HH E 61144 l kx S qe AI 184 2 BB ERE c 1108 m Ak b 01025 Y Ak h D1026 C1122 E L1022 a HUA c1117 a N Q N o o 5 102 B CI 124 567 Ritza A 0 ZAR MEE AE BE BHL 080 R1083 lt gt ANN 5 co A Fu L102 37 zu D amp 81088 c1133 HH A lt B un 2 E Sl XF1001 11001 001 ANH eto TP1001 5 8 21005 BN z 3 2 1 Co c 2 01 zh 2 88 ETSE Ge o N e B HHc o s in gt E HHc oa2 E j D10Qu C1070 amp A Hit 01007 qa Q rau Ph dE 1029 c1047 HE ES HHc azs o L1 008 037 1210 gt NJ m su urn o 9 9 81009 ES 1011 C Ual Ast C105U y pm EU 01043 01057 R1016 vv 81017 c1061 A FH R1 TEN 225 EWAPRTO021 BE ERP Y Ln FH R1036 EE 61071 c1070 PAPE C1074 1089 11019 a TA R1052 61078 1065 1062 UNAL AA El AA Zn IN c um E A ee E G1 080 ATIS S 4 a HE 61011 FAIA 1184 qe c1133 Hi b EW R1057 C1183 91013 Eug 21090 c
37. the Frequency Counter reading is 156 800 MHz 100 Hz LL LL a Transmit Power Adjustment Turn the Antenna switch to the TX Alignment side Set the channel to CH16 Increase the DC Power Supply voltage to 8 0 V Use the H L key to set the transceiver to HI power With the PTT switch pressed adjust VR1003 so that RF output power is 5 0 W 0 1 W Release the PTT switch then set the transceiver to LOW power by the H L key With the PTT switch pressed adjust VR1002 so that RF output power is 0 8 W 0 1 W Release the PTT switch Return the DC Power Supply voltage to 7 4 V 011142111 a Inline RF Sampling A RF Signal Wattmeter Coupler TX Alignment RX Alignment Generator Dummy Load Attention The HX280 s Audio output is BTL output 16 91W Resistor AF Signal Generator y JP1001 TC1001 VR1005 CEFF a EEES 1018 D SUB 9 pin Jack HX280 Alignment Jig 10 TX Deviation Adjustment O O O O O O O Turn the Antenna switch to the TX Alignment side Confirm that the solder jumper JP1001 is removed Set the AF Signal Generator output to 200 mVrms at 1 kHz Set the channel to CH16 With the PTT switch pressed adjust VR1001 so that the maximum deviation is 4 4 kHz 0 1 kHz Release the PTT switch Solder the jumper JP1001 Squelch Level Adjustment O O O Turn the Antenna switch to the RX Align
38. 01D K22178809 CHIP CAP GRM1552C1H270JZ01D K22178222 CHIP CAP GRM1552C1H270JZ01D K22178222 CHIP CAP GRM155B11H102KA01D K22178809 CHIP CAP GRM155B11H102KA01D K22178809 CHIP CAP UMK105CH220JV F K22178266 CHIP CAP GRM155B11A104KA01D K22108802 CHIP CAP GRM155B11E103KA01D K22148834 CHIP CAP GRM1552C1H330JZ01D K22178224 CHIP CAP GRM155B11H102KA01D K22178809 CHIP CAP GRM155B11H102KA01D K22178809 CHIP CAP TMK105CK010C F K22148205 CHIP CAP GRM155B11H102KA01D K22178809 CHIP CAP TMK105CH150J F K22148218 CHIP CAP GRM155B11H102KA01D K22178809 CHIP CAP GRM1552C1H820JD01D K22178234 CHIP CAP GRM155B11H102KA01D K22178809 CHIP CAP GRM1552C1H180JZ01D K22178218 CHIP CAP TMK105CH150J F K22148218 CHIP CAP GRM155B11H102KA01D K22178809 CHIP CAP GRM155B11E103KA01D K22148834 CHIP CAP TMK105CH150J F K22148218 CHIP CAP GRM155B11E103KA01D K22148834 CHIP CAP GRM188B31A225KE18D K22104805 CHIP CAP GRM1552C1H330JZ01D K22178224 CHIP TA CAP TEESVA1V104M8R K78160025 CHIP CAP GRM155B11H102KA01D K22178809 CHIP TA CAP TEESVA1C106M8R K78120077 CHIP CAP GRM155B11H102KA01D K22178809 CHIP CAP GRM155B11A104KA01D K22108802 CHIP CAP GRM155B11H102KA01D K22178809 CHIP CAP GRM155B11H102KA01D K22178809 CHIP CAP GRM155B11A104KA01D K22108802 CHIP CAP GRM155B11E103KA01D K22148834 CHIP TEESVA1A106M8R K78100028 CHIP TA CAP TEESVA0J226M8R K78080047 CHIP CAP TMK105CH150J F K22148218 CHIP CAP GRM155B11H102KA01D K22178809 CHIP TA CAP TEESVA1V474M
39. 2000 or Vista Standard Horizon HX280 Service Flag Controller and Alignment Jig 0000000 a Alignment Preparation amp Precautions A dummy load and inline wattmeter must be connected to the main antenna jack in all procedures that call for transmission except where specified otherwise Correct alignment is not possible with an antenna After complet ing one step read the following step to determine wheth er the same test equipment will be required If not re move the test equipment except dummy load and watt meter if connected before proceeding 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 F 86 F When the transceiver is brought into the shop from hot or cold air it should be allowed some time for thermal equalization with the environment before alignment If possible alignments should be made with oscillator shields and circuit boards firmly affixed in place Also the test equipment must be thoroughly warmed up before beginning Note Signal levels in dB referred to in this procedure are based on 0 dBu 0 5 uV closed circuit Alignment Before Alignment O Install the HX280 Service Flag Controller Program to your computer Remove the Front Panel from the transceiver accord ing to the following procedures 1 Disconnect the antenna from the transceiver
40. 21 and diodes D1025 amp D1026 both HVC355B before first mixing by 01022 35K318 Buffered output from the VCO is amplified by Q1007 25C5006 to provide a pure first local signal between 134 35 and 141 575 MHz for injection to the first mixer 01022 35K318 The 21 7 MHz first mixer product then passes through monolithic crystal filter XF1001 XF1002 to strip away all but the desired signal which is then amplified by Q1024 25C4915 The amplified first IF signal is applied to FM IF subsystem IC Q1026 BA4116FV which contains the second mixer second local oscillator limited amplifier noise amplifier and RSSI amplifier A second local signal is produced from the PLL reference second local oscillator of X1001 21 25 MHz The 21 25 reference signal is delivered to mixer section of FM IF subsystem IC 01026 BA4116FV which produce the 450 kHz second IF mixed with the first IF signal The second IF then passes through the ceramic filter CF1001 to strip away unwanted mixer products and is then applied to the limited amplifier in the FM IF sub system IC Q1026 BA4116FV which removes amplitude variations in the 450kHz IF before detection of the speech by the ceramic discriminator CD1001 2 Audio Amplifier The demodulated audio signal from the Q1026 BA4116FV passes through a band pass filter and High pass filter then applied to the de emphasis of Q1005 LM2902PWR Then passes through the audio mute switch Q1034 S
41. 22 B SS ots Saa 81054 o oo OO D In SoT 74 say TP1009 2 777 77 R1049 2 2K 1 o Q1006 Nm ib DTC 144 TP1005 dL Nx Do gt 91004 nl ox Som LM2904 gt Mo Cs a 77 77 8104 O O 47K AWW myg NT 2 a E eA lt Do x SWB SWB TX5V TX5V DD 1 3 ZV 2 ZV RX5V RX 5V BEGSV BEGSV VCO QUT VCO QUT C1221 wu 1 0 o 6 B Vos 3 MOD T VR1001 5 la a 100K 4 e 81014 gt 2 2SC4617 A X oo NY NY 4 e e e e ens ans ois ong z z B Fy m 0 ons M e 0 T na mi a Os gt Dal p at Ta Sor 277 SNE gt ul ou co un NY 9 Oa T na 0 IT SE an Mot ays Slee Same Pol Gat 95 os Na dd A0TAXT 7 77 gr Jar ser Cor CY s c as Os 1 D gt 2 OG 7 7 7 D OX X a ii ny ME Tat So N gw SU D1011 L1014 1039 81041 1045 55 1064 a Q1008 VC350B 4 7u 330 180 100 or 47K 25C500 pl Me Me MM 5565006 11 C1031 BI Srg Wis 01017 CH _ Am o Mn Ft 2SA177u ad ERAN Sa MEN a 1 1 iQ mM Iode Se O u 225 d TP1008 re 7 77 sse Nott gt mx M 2529 al Q1018
42. 2SC4617 H 77 9 7 HX280S E Unit Circuit Diagram 1 5 6 3 BXSV PS 2 in a Ty 22 un nh MS xm TP1010 an T mmy Q 4 nz 81188 81188 0 gt 2 jx Sul sacaxledl 85 gu 52 8205518 N j 075 Sas ons seen E Z4 c ZZTZ9 Fn DY e 0018 g TA og OG Sol ub x u os 522 l
43. 6K 0 0056B 2 2 MIC I 1 5 WwW m R1146 B wyb gt ats 470K m c 81167 R1174 Noc MIC ER 2 2K 2 2K TAN om IEGSV 6 aa pu O OA 7 7 7 5 oO 77 77 E DE NR OY or gt M N Mrz ae 02TH 26013 Nw mm Sn 2 T90TH gt BT00 0 on 4 02 g Sb0TO 53 id uM M m N T ZZ gt 090TH Sb0T9 30 xi Es NN axa KOK OK TSOTH AW MS OOAY 0S0TH R WW e cos Bu au 88010 k N N ASE XRK
44. 8210 K22148209 K22088803 K22148238 K22178809 K22178232 K22148834 K22178809 K22148218 K22178809 K22178809 K22178809 K22178266 K22178218 K22178266 K22178218 K22178224 K22178222 K22178809 K22148834 K22178809 K22108802 K22178809 K22108802 K22178210 K22148834 K22088803 K22178224 K22148218 K22108802 K22178809 K22178204 K22148834 K22178823 K22148832 K22088802 K22148833 K22108802 K22148834 K22088803 K22178234 K22108802 K22178822 K22178822 K22148218 HX280E HX280S HX280E HX280S HX280E HX280S HX280E HX280S HX280E HX280S HX280E HX280S UVUUVVUVVVUVVU gt UVVVDVU gt UVUVUDUDVUDVUDVUDVUDVUVVUVUVDVUVUVVDVVUVVU gt U gt UUVDUUVUUDUDVUDUDVUVUDVUVUDVVDU gt UVUVDUVUWVWU gt UVWVU gt UW CHIP CAP CHIP TA CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP TA CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP TA CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP TA CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP TA CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CD1001 CERAMIC DISC CF1001 CERAMIC FILTER 0 1uF 22uF
45. 89029 424189033 424189070 424189052 424245229 424189061 424189025 424189029 424189070 424189045 424189066 424189070 424189025 424189055 424189029 424189005 424189066 424189049 424189037 424189049 424189049 424189019 424189070 424189380 424189376 424189379 424189370 424189376 424189055 424189055 424189055 424189070 424189053 451811104 451811503 451811104 460800300 451811103 9 8304MHZ HO103382 21 700MHZ H1102395 RA1081000 RA1078900 RA1089600 RA1080000 MAIN Unit HX280E HX280S HX280E HX280S Parts List gt gt gt gt gt gt gt gt gt gt 1 b 1 MNRO4MOABJ102 442900039 14 A E2 PT 036 B2S T 5090158 14 4 010 61 K91000226 t A F2 5 4B473FR G9090150 5 4B473FR G9090150 ____ fos 1 b2 F3 A3 gt gt gt gt gt Qo 1 h1 1 F2 1 B d1 B d2 23 MAIN Unit Note 24 5001 P0091422 TPZ001 gt CD 46 Charger Cradle Exploded View RA1088800 CASE CHARGER CHARGER UNIT X When removing the Charger Unit from the Case gently pull on the charger unit while pushing the three charging terminals from the outside of the case RA1088900 BOTTOM PLATE Ke q RA1092900 x 2 pcs
46. 8R K78160029 I A v 202 000907 17 MAIN Unit Parts List BEE DESCRIPTION VALUE VW MEESDESS VASTREN_ VERS IT SIDE CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP 18 WOW I WWWOWWWWWW GRM155B30J105KE18D TMK105CH100D F GRM155B30J105KE18D GRM155B11E103KA01D GRM155B11H102KA01D GRM155B11H102KA01D GRM155B11H102KA01D GRM155B31A224KE18D GRM155B11A104KA01D GRM1552C1H8
47. CRIPTION VALUE VW DESIG VXSTDP N 107 SIDE LAYADR PCB with Components No adjustment Requires the adjustment for use CB4645001 HX280S CB4645002 HX280E Printed Circuit Board FRO19200C CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP TA CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP GRM155B11H102KA01D K22178809 GRM155B11A104KA01D K22108802 GRM1552C1H180JZ01D K22178218 GRM155B11H102KA01D K22178809 GRM155B11E103KA01D K22148834 GRM155B11H102KA01D K22178809 TEESVA1C106M8R K78120077 UMK105CKORSCV F K22178247 GRM155B11A104KA01D K22108802 GRM155B11A104KA01D K22108802 GRM1552C1H270JZ01D K22178222 105 40 K22148208 GRM155B11H102KA01D K22178809 GRM155B11E103KA01D K22148834 TMK105CH100D F K22148214 CHIP CAP GRM155B11E103KA01D K22148834 CHIP CAP GRM155B11E103KA01D K22148834 CHIP CAP UMK105CKORSCV F K22178247 CHIP CAP GRM1552C1H180JZ01D K22178218 CHIP CAP GRM1552C1H180JZ01D K22178218 CHIP CAP GRM155B11E103KA01D K22148834 CHIP CAP GRM155B11H102KA01D K22178809 CHIP CAP GRM1552C1H560JD01D K22178230 CHIP CAP GRM1552C1H330JZ01D K22178224 CHIP CAP GRM155B11E103KA01D K22148834 CHIP CAP TMK105CH050C F K22148209 CHIP CAP GRM155B11H102KA01D K22178809 CHIP TA CAP TEESVA1A106M8R K78100028 CHIP CAP GRM155B11H102KA01D K22178809 CHIP CAP GRM155B11H102KA01D K22178809 CHIP TA CAP TEESVA1A106M8R K78100028 CHIP CAP GRM155B11H102KA
48. E 9 4 a ol E a darem ES Bs camis lt i mm Y TA NE _ 5 E 127 x oe EE E 2 2 2 um m ae 5 on Qe ee DE p O 5 STE 10058119 5 RITS2f v p gt 202 SER Sp E n c1231 HH z3 E 00 ER Sesa o i e de 5 parior E Era 2 El D1 002 1009 R1 136 VV amp ind 2 A 5 HE 2 L1 006 N 29 5 C1040 5 af 25 El amp RIOOL See HH ce b ul 5 2 25 5 5 5 3 E RI06B EVA 3 N o a oes 3 a m SE Ei dar g 5 S 0105 ve 85 RIA 1003 ee 1 S 5 5 Ile El 5 5 B X 5 1005 Ead 6m Bi 7 EIL 2 Ad d Hr y ER 1093 T LAS C1028 gs 1004 3 T 20 8 a igi ERU Tes El ad Rz E AN 4858 a C1001 t 112 81113 1108 R1100 2 i m s El anm 5 9 y O VA E 2 pra Eva WY RI 096 x Ey Ej T T 5 E 3 B alls THI 001842 o ER ACT 023 B age ve 8 ci1os HH P lt EV EE ete 2 B 5 WEG ES c1036 HHE Eus E dos E ELT RIO E 73761029 2 Caw 22 NN E E 8 C150 a El
49. ELS eT O O 3 4 gt 4 SWB 7 SP 2 5 m g 5417 5 _ a SWB x n n R1181 J1003 x 52 TP1037 55000255 o 51 SWB y D SWB MOD o RX 2 77V gt to Bog IXS MOD TX 0 V 9 f 01050 5 T zd Hass 14 at Naz A m 91161 as 1 BEL BEGS t AMPMT 95 7r 1 BEGS vco our MIC MT gn x REGS AW co OUT iii Us vco nur S AD LO EEES S Sa MUN Nez 01019 1 ub ATO 6 amp 3V B T ang say RX 6 62 V TP1038 MoD 20 p b c1159 ag 2 75 TX 7 12 V O rP1028 1001 a 15p CH COM TP10za 2 2 100K JJ 11083 E TX 1 84 V 854 O te102a 91014 22 ds TP1040 5 25C4617 R fica AW 4 350K 11 ca 22 TP1030 af 15 7 CH SH a Sis aig Sor 81075 goal se oT 1 41 V Bese END 5 d SS ott en OS i Baris ofo 0100 7 A1130 C1175 81138 5 T aN E 25V ZN NUM12902 2 LAK TX 141 V 3 44 V Sas 3 C1153 33K 0 047 AW 4 ny da s az 55 SN OG nmioi 1 9 Als 1 7 15 4 CT Sa i T 2K 1K 7 1 m 1 2 95 D ds 3 N 2 We if AW 5 91003 R1152 C1191 PFO 1055P 1 o 0 Zar I AM Y 1290 0 00568 a4 on Axe Lux So Som 5 2 ons 1100 NS 5 M oom m
50. F K22178266 B C1608JB0J475KT K22084804 B GRM155B11E103KA01D K22148834 B GRM155B11A104KA01D K22108802 B GRM155B11A473KA01D K22108801 B GRM155B30J105KE18D K22088803 B GRM155B11A473KA01D K22108801 B GRM155B11H102KA01D K22178809 B GRM155B11H102KA01D K22178809 B TMK105B562KW F K22148832 B GRM155B11A473KA01D K22108801 B GRM155B30J105KE18D K22088803 B GRM155B30J105KE18D K22088803 B GRM155B11H102KA01D K22178809 B GRM155B11A104KA01D K22108802 B GRM155B11A104KA01D K22108802 B TEESVA1C106M8R K78120077 B GRM155B11E103KA01D K22148834 B GRM155B11E103KA01D K22148834 B UMK105B271KW F K22178822 B GRM155B11A104KA01D K22108802 B GRM155B11H472KA01D K22178838 B JMK107BJ475MA T K22084803 B GRM155B11E103KA01D K22148834 B TEESVB21C226M8R K78120028 B GRM155B11A104KA01D K22108802 B GRM155B11H102KA01D K22178809 B GRM155B11A104KA01D K22108802 B GRM155B30J105KE18D K22088803 B GRM155B30J105KE18D K22088803 B GRM155B11A104KA01D K22108802 B GRM155B11H102KA01D K22178809 B GRM155B11H102KA01D K22178809 A GRM155B11H102KA01D K22178809 A GRM1552C1H470JZ01D K22178228 B GRM1552C1H470JZ01D K22178228 B GRM155B11H102KA01D K22178809 B GRM155B11H102KA01D K22178809 B GRM155B30J105KE18D K22088803 A GRM155B11H102KA01D K22178809 HX280E B GRM155B11H102KA01D K22178809 HX280E B Hr els Te HH RB715F T106 G2070752 1 gt 00 gt 0 gt 0U0 gt gt 0000U Parts List REF ____DESCRIPTION VALDE VW TOL_ _MERSDESIE VXSTREN_ VERS 0 SIDE HVC306B
51. J24183393 J24185222 J24183124 J24183124 J24185103 J24183103 J24245249 J24185102 J24245102 RA0769800 Note 28 HX280S E Unit Circuit Diagram RX5V in oO cos T M N N co un I oo J1001 1001 252 sag 6228 Tot 55000226 0 001 11001 11002 11004 L 1005 L1010 C1055 C1064 C1073 a 0 Ag oT B 10022401 0022401 10022395 0022101 0 0590 15 15 0 001B pp Pyr QM ae I 35K2 77 C1230 ro X L1017 0 001 C1008 C1015
52. Ma MZ o OMA TU di ei 83 i 47 SMF Sot ax US N na on m Gon y Jos So o rt as gt on T 20 TE mo Ar aks a aX SL MIC hd 4 az x 5 a a 17 AE de Sl Fr 77 oom gt e a 2S 81167 1 5 Soe 9 1045 95 Pipes 5 01023 Om ih 2 2K 209 al os 2444 C1048 D1011 1015 Rioo ze 4 We PUN DTC143ZE sel oe 95 W 3 330 CH HVC 5508 4 7U zc 55 4 4 2 91008 c 01018 Dd 5 2865006 2521 pi PB5215 30 1 78 V au Sar D1012 Mn Q1017 20 So 2 2445046 l ON we 52 Say 15 FREG sos cgo C1051 3 ES 9 o Sy Se NS INTA RE 81195 zo 351 258 258 58 x Ve RB1001 225 E m MNRO4M0ABJ102 Try 5 b 1018 NAS ER a PTT a RX 3 29 V 010 CH 0 08200 00 zE m 2SC4617 A 5 WS T 2220 T 25 DY ol ee Y 55 Sam Somn E y 2t N oa p lt aj a x lt 81158 t R1147 E 51010 9 TP1019 O i E z a E M PTT u x x mx L Ne E a a N ie Q RX 4 90 V T x TP1020 E o Be Zoe TX 0V m 3 30 V 01003 x amp al 8
53. N74LVC1G66DCKR the audio volume VR1004 and the audio power amplifier Q1032 TDA2822 pin 7 providing up to 700 mW of audio power to the 16 ohm loudspeaker Circuit Description 3 Squelch Control The squelch circuitry consists of a noise amplifier and band pass filter and noise detector within Q1026 BA4116FV When no carrier received noise at the out put of the detector stage in Q1026 BA4116FV is ampli fied and band pass filtered by the noise amplifier section of Q1026 BA4116FV and the network between pins 7 and 8 and then rectified by detection circuit in Q1026 BA4116FV The resulting DC squelch control voltage is passed to pin 64 of the microprocessor 01025 UPD78F0484GK If no carrier is received this signal causes pin 38 of Q1025 UPD78F0484GK to go low and pin 67 to go high Pin 67 signals of Q1025 UPD78F0484GK to disable the supply voltage to the audio amplifier 01032 TDA2822 Thus the microprocessor blocks output from the audio amplifier and silences the receiver while no signal is be ing received and during transmission as well 4 Transmit Signal Path The speech input from the microphone MC1001 passes through the audio amplifier 01003 NJM12902V which is adjusted the microphone gain The speech signal pass es through pre emphasis circuit to 01003 NJM12902V which contains the IDC and low pass filter Then passes through VR1001 which allows manual adjustment of the transmitter deviation level
54. RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES 22 RMC1 16S 473JTH RMC1 16S 473JTH RMC1 16S 473JTH RMC1 16S 223JTH RMC1 16S 220JTH RMC1 16S 101JTH RMC1 16S 104JTH RMC1 16S 104JTH RMC1 16S 222JTH RMC1 16S 104JTH RMC1 16S 124JTH RMC1 16S 470JTH RMC1 16S 221JTH RMC1 16S 103JTH RMC1 16S 222JTH RMC1 16S 102JTH RMC1 16S 222JTH 1 165 821JTH RMC1 16S 220JTH RMC1 16S 473JTH 1 165 821JTH RMC1 16S 122JTH RMC1 16S 473JTH RMC1 16S 182JTH RMC1 16S 222JTH RMC1 16S 102JTH 1 165 474JTH RMC1 16S 103JTH RMC1 16S 393JTH RMC1 16S 393JTH MCRO1MZPD2203 MCRO1MZPD1003 MCRO1MZPD4702 MCRO1MZPD2202 MCRO1MZPD 1002 MCRO1MZPD4701 1 165 822JTH RMC1 16S JPTH RMC1 16S 101JTH RMC1 16S 102JTH RMC1 16S 102JTH RMC1 16S 102JTH RMC1 16S 154JTH RMC1 16S 103JTH RMC1 16S 103JTH RMC1 16S 334JTH RMC1 16S 124JTH RMC1 16S 104JTH RMC1 16S 222JTH 1 165 220JTH 1 165 474JTH RMC1 16S 103JTH RMC1 16S 103JTH RMC1 16S 103JTH RMC1 16S 153JTH RMC1 16S 474JTH RMC1 16S 333JTH RMC1 16S 333JTH RMC1 16S 183JTH RMC1 16S 103JTH RMC1 16S 222JTH RMC1 16S 334JTH RMC1 16S JPTH RMC1 16S 472JTH RMC1 16S 472JTH RMC1 16S JPTH
55. RODZ01D GRM155B11H102KA01D GRM155B11E103KA01D GRM155B11H102KA01D TMK105CH100D F GRM1552C1H6RODZ01D TMK105CH040C F GRM155B30J105KE18D GRM1552C1H8RODZ01D GRM155B11H102KA01D TMK105CH120J F UMK105CH130JV F TMK105CK010C F TMK105CH120J F UMK105CH130JV F GRM1552C1H270JZ01D TMK105CJ030C F TMK105CK010C F TMK105CH040C F GRM1552C1H8RODZ01D TMK105CH050C F GRM155B30J105KE18D TMK105CH101J F GRM155B11H102KA01D GRM1552C1H680JZ01D GRM155B11E103KA01D GRM155B11H102KA01D TMK105CH150J F GRM155B11H102KA01D GRM155B11H102KA01D GRM155B11H102KA01D UMK105CH220JV F GRM1552C1H180JZ01D UMK105CH220JV F GRM1552C1H180JZ01D GRM1552C1H330JZ01D GRM1552C1H270JZ01D GRM155B11H102KA01D GRM155B11E103KA01D GRM155B11H102KA01D GRM155B11A104KA01D GRM155B11H102KA01D GRM155B11A104KA01D GRM1552C1H8RODZ01D GRM155B11E103KA01D GRM155B30J105KE18D GRM1552C1H330JZ01D TMK105CH150J F GRM155B11A104KA01D GRM155B11H102KA01D GRM1554C1H2ROCZ01D GRM155B11E103KA01D UMK105B331KW F TMK105B562KW F GRM155B30J474KE18D TMK105B682KW F GRM155B11A104KA01D GRM155B11E103KA01D GRM155B30J105KE18D GRM1552C1H820JD01D GRM155B11A104KA01D UMK105B271KW F UMK105B271KW F TMK105CH150J F K22088803 K22148214 K22088803 K22148834 K22178809 K22178809 K22178809 K22108808 K22108802 K22178210 K22178809 K22148834 K22178809 K22148214 K22178208 K22148208 K22088803 K22178210 K22178809 K22148216 K22178261 K22148205 K22148216 K22178261 K22178222 K22148207 K22148205 K22148208 K2217
56. S CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES TH1001 THERMISTOR TH1002 THERMISTOR VR1002 POT VR1003 POT VR1004 POT VR1005 POT X 1002 XTAL HC 49 SS SMD 9 8304MHz XF1002 XTAL FILTER INTER CONNECTOR LIGHT GUIDE REFLECTOR SHEET MIC HOLDER RUBBER RMC1 16S 562JTH RMC1 16S 103JTH RMC1 16S 822JTH RMC1 16S 183JTH RMC1 16S 152JTH RMC1 16S 154JTH RMC1 16S 103JTH RMC1 16S 102JTH RMC1 16S 472JTH RMC1 16S 393JTH RMC1 16S 103JTH RMC1 16S 222JTH RMC1 16S 472JTH RMC1 16S JPTH RMC1 16S 184JTH RMC1 4 2R2JATP RMC1 16S 105JTH RMC1 16S 102JTH RMC1 16S 222JTH RMC1 16S JPTH RMC1 16S 473JTH RMC1 16S AR7JTH RMC1 16S JPTH RMC1 16S 102JTH RMC1 16S 334JTH RMC1 16S 222JTH 1 165 220JTH RMC1 16S AR7JTH RMC1 16S 104JTH RMC1 16S 103JTH RMC1 16S 104JTH RMC1 16S 104JTH 1 165 331JTH RMC1 16S JPTH MCRO1MZPD3302 MCRO1MZPD1502 MCRO1MZPD2702 MCRO1MZPD4701 MCRO1MZPD1502 RMC1 16S 334JTH RMC1 16S 334JTH 1 165 334JTH RMC1 16S JPTH RMC1 16S 224JTH EVN 5ESX50B 15 EVN 5ESX50B54 EVN 5ESX50B 15 WH8011AK 1 A20K 15 5 EVN 5ESX50B 14 LCD LCD 424189034 424189037 424189036 424189040 424189027 424189051 424189037 424189025 424189033 424189044 424189037 4241
57. T gt 51 gt M 50 1 1 50 IE C3 pe KRO 03 T R1140 4 7K pA ANY R1141 C1 ba CO T x PD gt a Ur La Y 1 x E m 1 x gt Sn Do ann Sn XS om A N G fun or a ont T 52 x x 572 a C1160 x E Ber 0 1 77 77 77 H ng gt N 77 2352 KR2 eq do lu gt gt 4 o lt Qr la lt l y ol a E d FE alo oS gt m gt R1195 R1097 D 1K W MW ax L Sal Nx oT AUT C1100 C1106 C1108 C1112 1129 C1142 c 235 125 11017 81109 81120 81197 A1198 Oc 77 77 x280S 4p 13p 13p ap 27 15 0 220 xxx 100 27 15K 0 5 0 5 E A 280 bp 12 12 up 33p 0 001u 0 001u 0 180 0 120K 15K E HX280S E Main Unit 1 Circuit Diagram 5 81161 e e AMP_ 10K 55 81175 R1151 ANY n BEGSV MW MIC_MT 2m AS NM d m ds B lt 2 a9 COM P1028
58. TRU E G2070918 B SML 512DWT86 G2071116 A SML 512DWT86 G2071116 A DAN235E TL G2070612 B RB521S 30 TE61 G2070642 B DA221 TL G2070178 B IMN10 T108 G2070078 B 155400 TE61 G2070634 B VMZ6 8NT2L G2071222 A HVC355B TRF E G2070588 B HVC355B TRF E G2070588 B Fao 1001 CHIP FUSE 31A X FHC1632ADTP 00008 1 _ 25 FB1002 FERRITE BEADS BLM18PG330SN1D L9190141 A J 1001 SHIELD FINGER 3525 3100103 55000226 J 1002 SHIELD FINGER 1674954 1 55000255 J 1003 SHIELD FINGER 1674954 1 55000255 CHIP COIL M RFC M RFC M RFC E2 0 25 1 9 6 5T L 2 0 25 1 9 6 5T L HK1608 R15J T E2 0 28 1 0 4 5T R E2 0 4 1 5 4T L 2 0 25 1 9 6 5T L LK1608 4R7K T E2 0 25 1 9 6 5T L LK2125 4R7K T HK1608 39NJ T HK1608 22NJ T C2520C 33NG C1608CB 82NG RF LK1608 4R7K T C1608CB 68NG RF 10022401 0022401 1690938 0022395 0022475 0022401 1690688 10022401 1690327 1690523 1690520 1691288 1691044 1690688 1691042 C1608CB 56NG RF 11691041 M RFC C1608CB R18G RF 11691102 280 C1608CB R22G RF 11691103 HX280S M RFC HK1608 R10J T 11690528 1608 68NJ T 11690526 M RFC C1608CB 39NG RF 11691039 C1608CB 39NG RF 11691039 1608 82NJ T 11690527 M RFC HK1608 56NJ T 11690525 M RFC HK1608 56NJ T 11690525 LK1608 1R5K T 1690846 LK1608 1R5K T 1690846 HK1608 47NJ T 1690524 Duct wc ELEMENT
59. Us T mans 77 ae 4 LM2802PW 42 255 ox 5 oO Su Sa n Sy SA 5 Ts a 5 zn 7 77 ae 1 B ES oxZof So 5 las o m Lo on 5 Ta 9M IE T E Q1036 RX 233 V RX 3 92 V Hyb ge 81200 91201 E TP1001 77 DTC 1WUEE 352 X 1 75V 1197 81165 ZZ0k 330K cont TX 0V TX 0V 578 ast 1 Es 1008 81025 RX 2 48 i aj TX 0V IF w 2 7U 220 TX 0V E VR1005 01054 oO ar TH 10K 77 77 56 DCKR es es m is BN7HLVC1G IR ae BPFFLOW 0 01 V VCO Input c 5 91929 4 NS is T 54 ST PF HIGH 1 56 V i piss 19 B 9 PR 1025 R1085 RX 0V 1125 Lio C1128 2 18K X 22 CH 0 056u Em 1 1 66 V JA 81065 i TY ta ii 1 22 TXS 3 I RT 81182 od 8 Mm gt 8 ag O NO 81175 ps 330K 2 ng p a SOLARA aux ou Za 28 0 AW W NS So Sor Zo 3 x 01017 1001 01022 152 AWW 7 ou SpA Nr oT gt A wu put Ri m Sie SO TOTO ar o 0g oo nes 723 Sox RX 0V DAN235E LTMUSOFW o me 1521 a DO e O 21 Ta 1132 Ms oy 51 A n T TX 2 83 V BPF LOW 3 29 V 70018 RX SIGNAL Non 1 15 V S ciis
60. a lt 98 4 u a 0 ES 7 1 0 E 9 2 o B m m E E E 7 39 V TP1022 OTP 1023 E E ES m 25 O TP1021 SANA EN Zu oN E EX Tn on ge nM B Bi M M xi EE 5 R1097 E E 3 3 3 25 IK n 2 81002 2 2 a 330K 2 N a x a 1236 1017 R1109 81120 91197 R1198 NOTE N Q 1 16m a Sa Sg Seg Sag 552 58 a 27 C1100 C1106 C1108 C1112 C1128 1142 C1225 RESISTOR VALUES ARE IN E d A 0 54 8 Le Mn SNE SNE 54 see oo a aa qx L 27K 15K _ oN on T a m a HG 0 22u 100K 0 5 0 5 YTIC CAPACITORS ARE IN 4F or 5 E 130 13p 27p 15p KKK NO ee ARE IN AH a o 4 81007 oe e OV 000000 P 198 COILES VALUES ARE INCH 470K 22 EE 4 23323335 do 330 330 0 001u 0 001u 0 18u 120 0 5 0 5 UNLESS OTHERWISE NOTED 2 5 25 45 HX260E je 0 54 Mo aoe W 00 A 3 sol 23 poe de ario os Si T zT og ost 252 aE 13 MAIN Unit Note 14 MAIN Unit Parts Layout Side A 0 013 JP1001 9 D 020 HO R1072 vv zh a B N 1 001 TP1018 ron 51008 amp rrio23 1005
61. cordance with TIA EIA 603 Important Note The 2805 and HX280E was assembled using Pb lead free solder based on the RoHS specification Only lead free solder Alloy Composition Sn 3 0Ag 0 5Cu should be used for repairs performed on this appara tus The solder stated above utilizes the alloy composition required for compliance with the lead free specification and any solder with the above alloy composition may be used General Frequency Ranges Channel Spacing Frequency Stability Emission Type Antenna Impedance Supply Voltage Current Consumption Operating Temperature Case Size x H x D Weight Approx Transmitter RF Power Output Modulation Type Maximum Deviation Spurious Emission Microphone Impedance Receiver Circuit Type Intermediate Frequencies Adjacent Channel Selectivity Intermodulation Hum amp Noise Ratio Sensitivity Selectivity AF Output Internal SP Specifications HX280E 156 025 MHz 162 000 MHz 25 kHz 5 ppm 20 C to 60 C 16 50 Q 7 DC Negative Ground Battery Terminal 320 mA Receive Typical at MAX 50 mA Standby 1 6 A 0 7 A TX W 1W 20 C to 60 C 56 x 133 x 27 5 mm w o knob amp antenna 310 g w FNB V105LI Belt Clip amp Antenna 5W 1W 07 4 Variable Reactance 5 kHz Less than 0 25 uW 2 kQ Double Conversion Superheterodyne Ist 21 7 MHz 2nd 450 kHz 70 dB 68 dB 40 dB
62. e only as part of a designated assembly Rer VXSTD P N D 002310020 SEMS SCREW SM3X10SUS 2 U24106020 BIND HEAD TAPTITE B M2X6SUS U9900068 PAN HEAD TAPTITE B M2XANIZ3 Block Diagram HX5V e gt 2 E ANT SW BP MIXER IF AM F IC lt gt A 01005 Saa te ws Dial ir Q1015 D1025 26 01022 01024 Q1026 ALS135 55204 HVC355B 556518 2504915 BAU115F
63. ed performance across the marine band Realignment should therefore not be necessary except in the event of a component failure All component replacement and service should be per formed only by an authorized STANDARD HORIZON representative or the warranty policy may be voided The following procedures cover the sometimes critical and tedious adjustments that are not normally required once the transceiver has left the factory However if damage occurs and some parts are replaced realignment may be required If asudden problem occurs during normal op eration it is likely due to component failure realignment should not be done until after the faulty component has been replaced We recommend that servicing be performed only by au thorized STANDARD HORIZON service technicians who are experienced with the circuitry and fully equipped for repair and alignment Therefore if a fault is suspected contact the dealer from whom the transceiver was pur chased for instructions regarding repair Authorized STANDARD HORIZON service technicians realign all cir cuits and make complete performance checks to ensure compliance with factory specifications after replacing any faulty components Those who do undertake any of the following alignments are cautioned to proceed at their own risk Problems caused by unauthorized attempts at realignment are not covered by the warranty policy Also STANDARD HORIZON must reserve the right to change circuit
64. ed to DC and returned to the Var actor D1011 and D1012 both HVC350B Changes in the level of the DC voltage applied to the Var actor affecting the reference in the tank circuit of the VCO according to the phase difference between the signals derived from the VCO and the crystal reference oscilla tor The VCO is thus phase locked to the crystal reference os cillator The output of the VCO Q1008 25C5006 after buffering by Q1007 25C5006 is applied to the first mix er as described previously For transmission the VCO Q1008 25 5006 oscillates between 156 025 and 157 425 MHz according to the mod el version and programmed transmit frequency The re mainder of the PLL circuitry is shared with the receiver However the dividing data from the microprocessor is such that the VCO frequency is at the actual transmit fre quency rather than offset for IFs as in the receiving case Also the VCO is modulated by the speech audio applied to D1014 HVC306B as described previously 6 Miscellaneous Circuits Push To Talk Transmit Activation When the PTT switch on the Main Unit is closed pin 72 of Q1025 UPD78F0484GK goes low This signal disables the receiver by disabling the 5 V supply bus at Q1011 UMDSN to the front end FM IF subsystem IC Q1026 BA4116FV At the same time Q1010 UMDSN activate the transmit 5 V supply line to enable the transmitter The HX280S E has been carefully aligned at the factory for the specifi
65. gt 5 d x seh p se B o T RIP D 2 R1005 EVAR 002 2 i B 1154 IH n1 5 5 mw Bad B oS 4 EVE 61177 El C1012 EH HJ um P HE E El Es RTIS9S RSS NG peros 555 n5 n E 8 Jens 5 EE OB 3 3 R1178 2 m E 1199 i C1201 R1155 B n wv QE C3 21166 gt 6 5 eral 5 E 5 fp 2 2 20 0100 B 1173 4 E AN EHE mM MMM gN 5 o Eu ES B B 5 a E 2 mo NS RA tet PV me Ryr22 NL zB El 5 8 G em jard30 N HAc 1 CIs F E R SHE P E z N CAMO El H E I C1073 61064 u gt T g aD 01032 61129 N gt SN 01 033 HH NA aa com 2 EE n E E 093 x H ae gt E Ol z E 21205 1032 x E gt se S 5 27 77 act i do R1 030 un o E 9 Y S i 7 2 x 4 B SY Y C1206 i 8 A A E 8 alo 1214 o Bae o 9 ee ea 3 TUE 2 E n e E Le Er m Giles ey 40404 N au AEREAS 2 11016 Om 9 2 a EN ao gt iz WS z ces 8 N 5 Sit nam m 0 quoe 11025 B
66. i 085 R1140 R114 C10B9 o P 5 51052 3 F vv E amp 1079 RIDES RI062 2 9 mW AR 1 063 AR S I ud Tas eet S E 067 AG c1137FuB R1073 R1087 EWR 9 R1058 B 2 a pn rj m a I 064 BE 4 Oz lt 002 e E E il 20 m N B e E 01117 S p DNA a a c1138 EI 5 o x g 3 d R109 PY m 2 4 le1077 P m 5 21024 8 SE ac H Wr Uk ens NT 2 5 EBENEN Eas E gt 1121 C1118 078 i C1017 5 HA 2 oc c1115 HA AS Atrea 11003 O O x c1 tus 61082 ES J q C1035 1009 1044 PW A x 55 z 000 ape N Cj 4 0 Y P uu SERE R111 TER Y C1059 g m D fh HH 025 in bs a B 5 q Etous El Li c1069 418 Bem m 1 lt E 7 m a B ciosa op Erg EON F E R1012 R1018 R1019 01011 m MET HR SIE SE AT 5 11 O N En E A R1132 3H ES B 5 z mA 181002 N BA R1204 E E 572 m Rel sie E EW R1137 er 81148 5 AE er mio CD L 9 17 EMJRIIS6 O h 2 2 102
67. l data latch programmable divid er phase comparator and charge pump and crystal X1001 which frequency stability is 5 ppm 9 20 C to 60 C While receiving VCO Q1008 25C5006 oscillates be tween 134 35 and 141 575 MHz according to the trans ceiver version and the programmed receiving frequency The VCO output is buffered by Q1007 25C5006 then applied to the prescaler section of Q1021 LV2105V There the VCO signal is divided by 64 or 65 according to a con trol signal from the data latch section of Q1021 LV2105V before being sent to the programmable divider section of Q1021 LV2105V The data latch section of Q1021 LV2105V also receives serial dividing data from the microprocessor Q1025 which causes the pre divided VCO signal to be further divided in the programmable divider section depending upon the desired receive frequency so as to produce a 25 0 kHz derivative of the current VCO frequency Meanwhile the reference divider sections of Q1021 LV2105V divides the 21 25 MHz crystal reference from the reference oscillator section ofQ1021 LV2105V by 850 to produce the 25 0 kHz loops reference The 25 0 kHz signal from the programmable divider de rived from the VCO and that derived from the reference oscillator are applied to the phase detector section of Q1021 LV2105V which produces a pulsed output with pulse duration depending on the phase difference between the input signals This pulse train is filter
68. ment side Set the channel to CH16 Set the Signal Generator output to 156 800 MHz at a level of 0 dBu HX2805 or 3 dBu 280 3 0 kHz deviation with a 1 kHz audio tone Connect the DC voltmeter to TP1018 adjust VR1005 so that DC voltmeter reading is 0 2 V 0 02 V 2805 or 0 45 V 0 02 V HX280E Software Alignment Confirmation Mode Overview of Software Alignment Mode O I The Software Alignment Mode has been build in the microprocessor in order to adjust and confirm the performance of transceiver The purpose is to adjust transceiver simply and to con firm the performance of transceiver smoothly Starting Software Alignment Mode O O Set the channel to CH16 then turn the VOL knob counter clockwise to turn off the radio Turn the Antenna switch to the RX Alignment side Turn the VOL knob clockwise to turn on the radio while press and holding the PRESET keys The LCD will be shown the Alignment mode AL Press the SCAN key Then the LCD will be shown the Alignment Item 1st Item is Threshold tH Set the RF Signal Generator output to 156 800 MHz at a level of 8 dBu HX2805 or 6 dBu HX280E 3 0 kHz deviation with a 1 KHz audio tone Press the PRESET key to record a threshold level Press the key to save the new setting Alignment Press the SCAN key to recall the Alignment Item tl TIGHT Set the RF Signal Generator out
69. put to 156 800 MHz at a level of 0 dBu HX2805 or 3 dBu 280 3 0 kHz deviation with a 1 kHz audio tone Press the PRESET key to record a tight level Press the key to save the new setting This completes the Software Alignment Mode To save all settings and exit press and hold the 16 9 key for one second Then turn off the transceiver After Alignment O Execute the HX280 Service Flag Controller Program again O Select the COM port number which is connected to the HX280 Alignment Jig 1 Press and hold in the PRESET key while turning the transceiver on to enter the Alignment Mode 1 Select Alignment OFF Radio But ton of HX280 Service Flag Control 280 M Flag Controller 1 Click the left mouse button on the E SET button of the HX280 Service Flag Controller Program O Turn off the transceiver 1 Assemble the transceiver while being carefully so that Rubber Packing does not protrude from a Front Case Important Note To ensure the radio is water proof make sure the gasket is installed on the chassis cor rectly and is not pinched when inserted into the front case NOTICE Do not touch the Alignment Item dC 11 Note MAIN Unit id Circuit Diagram 2nd Mixer IF ae RFA Q1015
70. s and alignment procedures in the interest of improved perfor mance without notifying owners Under no circumstances should any alignment be attempted unless the normal function and operation of the transceiver are clearly un derstood the cause of the malfunction has been clearly pinpointed and any faulty components replaced and the need for realignment determined to be absolutely neces sary The following test equipment and thorough famil iarity with its correct use is necessary for complete re alignment Correction of problems caused by misalign ment resulting from use of improper test equipment is not covered under the warranty policy While most steps do not require all of the equipment listed the interactions of some adjustments may require that more complex ad justments be performed afterwards Do not attempt to perform only a single step unless it is clearly isolated elec trically from all other steps Have all test equipment ready before beginning and follow all of the steps in a section in the order presented Alignment Required Test Equipment RF Signal Generator with calibrated output level at 200 MHz Frequency Counter gt 0 1 ppm accuracy at 200 MHz AF Signal Generator Deviation Meter linear detector VHF Sampling Coupler Inline Wattmeter with 5 accuracy at 200 MHz 50 ohm Non reactive Dummy Load 10W at 200 MHz 7 4 VDC 2A Regulated DC Power Supply IBM PC compatible computer with Microsoft Win dows
71. t 53 ga 1 01015 BIS War i i L1017 Od O4 IF 21 MHZ 0 224 1029 C1104 X C1107 1112 1120 0 04 7 CH 1 CK 8p CH 0 001B 7 R1088 XF 1001 1002 R1091 TI 820 21R15A 21H15A 820 lt i lt WW A D ol a or OL Q N Y Y L N 5 o a T XT ees On S A T Zar Soft nz Tos Solent Ixe pop ES ox m sn M MO Mx x 2 o 23 ogs U a So OF on gt p E 1 a5 aM 6 5 pe x a a 00 dc Dx Om 77 77 77 7 7 77 77 77 81036 DTC 144 gt 1 Ten CH ER R1065 p u 2 2K gt 220 _ 11 LA MN ARS ae WM OT o Ha oF RT 108 OS Cm A og Ny Axo Nin E 5571 las 24 MT eT 28 3 T Im Ze 217 OF 15 Un OQ D1017 Oo 16 9 7 7 DAN235E 194 C1225 ar 7 c 01015 C1099 81069 C1105 3 10p CH D 0 001 B RAADDOUPXDOS C1081 Q1016 5 AN D 15p CH 2SC5226 R1079 m XD V ox_L mx sol OY 2x3 ox3 q E 44 gt m O O Do A Rl uy A 77 77 77 7 SNS 9 X 2 T de D 22 tm E i gt I 81054 gt oT TP1009 ar la 77 cc 81049 2 2K 1 6 m o NW E gt LL 5 Sx a a 2 y
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