Home

SERVICE MANUAL - Scannernet.nl

1.
2.
3.
4. 151 C19 C324 107 525 2 2 141 e Q 3 Q k E E xj 508 21 19 a e Q 5 19 15 17 ag B E R10 107 que Se gp ME Id 4 gt E 5 ee E C13 051 CA C101 EES 55
5. bes 719 bel 914 159 122 12 154 11 B 7 US 609 i 10 EN Fi UL 1 8 8 gt N g TX PWR J P 2 jo i R84 5 g LV qu qu CIS 5 1 I 7 22 98 _ R114 R115 R5 ra EIN 152 EP 1 e C167 k 1 S 1 R86 129 1065 R5 e S J U 130 RIIS R112 2 C104 R66 067 R68 C313 LS R8 FE Z ay GN RE x 158 z 2 16 4 Fg CA R Uds 45 R 09 4 OA gt QJ lt cb CU Mesees 5 us ON ET MOD 8078 3 C46 cad R110 g RIZ2 pe ae sms Bs RIES 8 1 IE jm 5 eg E MP C248 RIS So RU 20 20 256 C244 8 o 28 E 888 8 J 38 g me 8182 C3 4 m ar m m s cael KE Aw Tek 75 51 RB 25 55 R 76 597 ED B en F 14 8281 Reg 082 Ci e d C B 1 16 LEG C7 7 11 10 1256 J8 29 i _ AE S Voa EXT SP a 3 8 8 C rai 8 24 2 L28 20 1 gt lt DILA U cams M L lt f Cab oe 29 NN 22 eve E 2 045 rs 100 26 D B 1111 n 4
6. SERVICE MANUAL VHF MARINE TRANSCEIVER IC M501EURO Icom Inc INTRODUCTION This service manual describes the latest service information for the IC M501EURO VHF MARINE TRANSCEIVER at the time of publication MODEL VERSION SYMBOL Holland HOL Gem 00 To upgrade quality any electrical or mechanical parts and Internal circuits are subject to change without notice or obligation C M501EURO FRG INT TAG ICOM DANGER NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 16 V This will ruin the transceiver DO NOT expose the transceiver to rain snow or any liquids DO NOT reverse the polarities of the power supply when connecting the transceiver DO NOT apply an RF signal of more than 20 dBm 100 mW to the antenna connector This could damage the transceler s front end SCAN o VOL ORDERING PARTS Be sure to include the following four points when ordering replacement parts 1 10 digit order numbers 2 Component part number and name 3 Equipment model name and unit name 4 Quantity required lt SAMPLE ORDER gt 1110003200 5 TA31136FN IC M501EURO MAIN UNIT 5 pieces 8810006050 Screw Icom screw E7 IC M501EURO CHASSIS 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES 1 Make sure a problem is internal before disassembling the transceiver
7. MAIN UNIT SQL UNIT P 9 5 gt _ SP1 MP23 CH S M 2 SA P gt GZ e MP9 CH SS MP21 CH Ny gt 5 Nie en 13 54 MP14 MP6 2 4 CH 128 MP4 i e i Unit abbreviations CHASSIS PARTS I MP20 CH DSC DSC UNIT MP3 MP5 MAIN UNIT E MP1 CH L LOGIC UNIT gt ed P VR VR UNIT MP7 CH S SQL UNIT DI DIAL UNIT z S W1 126 Unit abbreviations CHASSIS PARTS M MAIN UNIT SECTION 8 SEMI CONDUCTOR INFORMATION TRANSISTORS AND FET S 2SA1576A T106R Symbol FR B C E 2SC3775 3 TB Symbol OY3 B C E 2SK210 GR Symbol YG DTA144EUA T106 Symbol 16 25811321100 R Symbol BARB 2SC4081 T107 R Symbol BR 2SK880 Y Symbol XY DTC144 TU T107 Symbol 06 2SB1143 S Symbol B1143 2SC4116 BL Symbol LL 2SK1069 4 TL Symbol FJ DTC144EUA T106 Symbol 26 2SC2714 Y Symbol QY 2SC4215 O Symbol QO d 3SK166A 2 T7 Symbol K an FMW1 T148 Symbol W1 B1 E B2 25 2954 T2B Symbol QK 28J144 Y Symbol VX 35 292 Symbol e DIODES 1SS355 1SS375 TL Symbol A Symbol FH 4 Ex HSM88ASR TR HSU88TRF Symbol C3 Symbol 9 cH fa MA8043 L Symbol 4 3 c D
8. gt gt el ee A N O gt gt OO 156 900 161 50 156 275 160 87 160 925 88 88 156 325 88 O N po po N N N ro A O O i 156 900 156 950 156 950 156 90 65A 161 55 156 95 66A 156 275 156 325 156 325 gt EE E olo N Co gt 1 Low power only Receive only SECTION 2 INSIDE VIEWS MAIN UNIT AF power amplifier IC14 LA4425A PLL IC IC2 uPD3140GS VCO circuit Reference oscillator X2 CR 659 21 25 MHz Driver amplifier Q12 2SC2954 1st IF filter 2 FL 310 Power module IC3 SC 1302 2nd IF filter ALFY450E FM IF IC IC1 TA31136FN 1st mixer Q3 3SK166 Main MPU IC16 MB9O0F583BPFV G System clock 265 36 768 kHz X4 CR 610 7 9872 MHz Located under side of the point Reset IC 5 5 80928 LOGIC UNIT e At jasar o c 2 f SUB MPU IC1 uPD78F9418AGK 9EU System clock X1 4 91BR 4 91 MHz E O DIAL UNIT aa CD driver IC2 HD66712SA03FS SQL UNIT VR UNIT Speaker SECTION 3 OPTIONAL UNIT INSTALLATION CAUTION DISCONNECT the DC power cable from the transceiver before performing any work on the
9. 680 V 68 Q 101 100 0 ERJ3GEYJ 470 47 Q 331 330 0 ERJ3GEYJ 473 47 ERJ3GEYJ 102 1 103 10 EXB V8V 102JV 683 V 68 681 680 0 101 100 0 101 100 0 332 V 3 3 222 2 2 ERJ3GEYJ 221 V 220 Q ERJ3GEYJ 102 1 222 2 2 390 V 39 Q 222 2 2 391 V 390 0 103 10 103 10 101 100 0 ERJ3GEYJ 100 V 10 0 ERJ3GEYJ 102 1 101 100 0 MCR18EZHJ 10 100 ERJ3GEYJ 102 1 100 V 10 0 ERJ3GEYJ 473 V 47 562 V 5 6 332 V 3 3 103 10 151 150 0 222 2 2 222 2 2 103 10 RV 143 RHO3A3AS2 471 ERJ3GEYJ 223 V 22 ERJ3GEYJ 105 V 1 104 V 100 kQ MCR50JZHJ 150 Q 151 823 V 82 ERJ3GEYJ 470 V 47 Q HOL FRG 104 V 100 HOL FRG 104 V 100 HOL FRG 103 V 10 HOL FRG ERJ3GEYJ 822 V 8 2 HOL FRG
10. hs 1 samo 888 sess SB 259 Wi 10 Rea 5 4 5 C262 Z is 8 TERT LUGLL LOA REA ees a o 3282 SEDE 2 DIL HANDSE 1 S Y n 5 Z W1 T 992 N to VR unit J1 to HM 126 J1 for FLASH 2 10 to OPTION UT 98 or UT 112 from DSC unit J3 from LOGIC unit J4 e BOTTOM VIEW
11. Channel No Frequency MHz Channel No Frequency MHz Channel No Frequency MHz Transmit Receive Transmit Receive Transmit Receive 156 050 160 65 157 000 161 600 67 156 375 156 375 156 050 156 05 157 000 157 00 68 156 425 156 425 N 156 100 160 70 157 050 161 65 156 475 156 475 156 100 156 100 157 050 157 05 70 156 525 156 525 156 150 160 75 157 100 161 70 156 575 156 575 156 150 156 150 157 100 157 100 156 200 160 80 157 150 161 750 7 156 200 156 20 157 150 157 150 74 156 250 160 85 157 200 161 800 77 156 250 156 25 157 250 161 850 156 300 156 30 157 300 161 90 156 350 160 95 157 350 161 95 79 156 350 156 35 157 400 162 00 156 400 156 40 156 025 160 625 80 157 025 161 625 156 450 156 450 60A 156 025 156 025 80A 157 025 157 025 156 500 156 50 156 075 160 675 156 550 156 55 156 075 156 075 157 075 157075 156 600 156 60 156 125 160 725 156 650 156 65 156 125 156 125 156 700 156 70 156 175 160 77 156 750 156 750 63A 156 175 156 175 83A 156 800 156 80 156 225 160 82 156 850 156 85 156 225 156 22 5 gt N gt gt N gt N gt NJ N N gt A CO gt N N N N O N gt 1 m NN 2 05A _ 0 BE _ 08 09 a
12. Spurious emissions Adjacent channel power Residual modulation Audio harmonic distortion Audio frequency response Microphone impedance RECEIVER Receive system Intermediate frequencies Sensitivity Squelch sensitivity Adjacent channel selectivity Spurious response Intermodulation rejection ratio Hum and noise Audio output power at 13 8 V DC Audio frequency responce SPECIFICATIONS 156 025 157 425 MHz Tx 156 025 162 025 MHz Rx 16K0G3E FM All international and USA channels availability depending on version 13 8 V DC negative ground 20 C to 60 10 ppm 207 to 60 C Transmit at 25 W 6 0A Heceive max audio 1 2 A 5 239 50 165 W x110 H x109 4 D mm 1130 g High 25 W Low 1 W Variable reactance frequency modulation 5 0 kHz 0 25 uW 70 dB 40 dB Less than 10 at 60 deviation 1 dB to 3 dB of 6 dB octave from 300 Hz to 3000 Hz 600 Q Double conversion superheterodyne system 1st 21 7 MHz 2nd 450 kHz 6 dBu emf at 20 dB SINAD 10 dBy at threshhold 70 dB 70 dB 68 dB 40 dB 3 5 W typical at 10 distortion with 4 load 1 dB to 3 dB of 6 dB octave from 300 Hz to 3000 Hz Specifications are measured in accordance with ETS300 162 2nd Edition All stated specifications are subject to change without notice or obligation H VHF MARINE CHANNEL LIST
13. ERJ3GEYJ 152 V 1 5 kQ HOL FRG ERJ3GEYJ 474 V 470 HOL FRG ERJ3GEYJ 474 V 470 HOL FRG ERJ3GEYJ 103 V 10 HOL FRG ERJ3GEYJ 103 V 10 HOL FRG ERJ3GEYJ 103 V 10 kO HOL FRG ERJ3GEYJ 474 V 470 HOL FRG ERJ3GEYJ 473 V 47 kQ HOL FRG ERJ3GEYJ 104 V 100 kQ HOL FRG ERJ3GEYJ 393 V 39 kQ HOL FRG ERJ3GEYJ 153 V 15 kQ HOL FRG RV 148 RH03A3AS3X0DA 472 HOL FRG ERJ3GEYJ 331 V 330 Q HOL FRG S Surface mount MAIN UNIT MAIN UNIT ORDER ORDER E cene E 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7410000950 S ARRAY EXB V8V 102JV 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 kQ 7410000950 S ARRAY EXB V8V 102JV 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kQ 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 kQ 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kQ 7030003280 S RESISTOR ERJ3GEYJ 470 V 47 Q 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 kQ 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 kQ 7030003550 S RESISTOR ERJ3GEYJ 822 V 8 2 kQ 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 kQ 7030003770 S RESISTOR ERJ3GEYJ 564 V 560 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 kQ 7030003710 S RESISTOR 7030003490 S RESISTOR 7030003380 S RESISTOR 7030003620 S RESISTOR 7030003620 S RESISTOR 70
14. S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S MYLAR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 470J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 180J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 010B T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A TESVD2 1V 685M 12R C1608 CH 1H 220J T A C1608 CH 1H 180J T A C1608 CH 1H 390J T A C1608 CH 1H 180J T A ECEV1CA221P C1608 CH 1H 470J T A C1608 JB 1H 471K T A C1608 JB 1H 102K T A ECEV1HA010SR C1608 JB 1C 104KT N C1608 JB 1H 102K T A GRM42 6 CH 240J 500PT GRM42 6 CH 180J 500PT C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A GRM42 6 W5R 102K 500PT GRM42 6 CH 080D 500PT GRM42 6 CH 120J 500PT GRM42 6 CH 050C 500PT GRM42 6 CH 270J 500PT GRM42 6 CH 040C 500PT GRM4
15. S RESISTOR ERJ3GEYJ 183 V 18 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003630 S RESISTOR ERJ3GEYJ 393 V 39 1560000810 S FET 1530002850 S TRANSISTOR 1520000460 S TRANSISTOR 2SK1069 4 TL 2SC4116 BL TE85R 2SB1132 T100 R 7030003640 S RESISTOR ERJ3GEYUJ 473 V 47 kQ 1560000810 1590000720 1590000430 1530002850 1790001010 6060000630 S FET S TRANSISTOR S TRANSISTOR S TRANSISTOR S ZENER S CERAMIC 2SK1069 4 TL DTA144EUA T106 DTC144EUA T106 2SC4116 BL TE85R MA8043 L TX PBRC 4 91 BR 4030006860 4030006860 4030011600 4030011600 4030006860 4030006860 4030006900 4030006900 4030011600 4510004630 4030006860 4030006900 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1C 104KT N ECEV1CA100SR C1608 JB 1H 102K T A C1608 JB 1E 103K T A 7030003640 S RESISTOR 7030003560 S RESISTOR 7030003640 S RESISTOR 7030003560 S RESISTOR 7030003640 S RESISTOR 7030003570 S RESISTOR 7030003460 S RESISTOR 7030003560 S RESISTOR 7510001150 S THERMISTOR 7030003560 S RESISTOR 7030004120 S RESISTOR 7030003560 S RESISTOR 7030003590 S RESISTOR 7030003560 S RESISTOR 7030004120 S RESISTOR 7
16. Von 5 2 art date CR 610 E MB90F583BPFV G CHA Q2 2SC4116 IC18 TC7W14FU denn 04 DA204U Q40 2SK1069 BUFF EEPROMTNS8BAZ49411 o p T LSL DATAS DATAS DATAS Z 5 25 1069 MIC m OPTION 028 25 1069 lt COMMON LINE LINE RX LINE TXLINE lt DATA BUS LINE OPTION 10 1 SECTION 11 VOLTAGE DIAGRAM 11 1 LOGIC UNIT SQL UNIT SEG46 SEG48 DISTRESS 4057 ES 053 0517 SML 311YT 0516 0511 051 1 2 pse TSD0393 0514 0513 1 2 DIALA J 4 5 6 R38 lt psc scanf 16 220 01 086 SW 6 8043 R53 lt R54 lt R43 R42 HL 220 ic 220 220 220 220 LOGIC UNIT S1 SPPH22014A R30 10k R29 10k R28 10k R27 10k R47 10k R48 10k Cit Gie 10 I 0 001 8 02V 10 P40 KRO 11 P41 KR1 12 P42 KR2 13 P43 KR3 14 44 4 15 45 5 P93 S16 P92 S17 P91 S18 IC1 P90 S19 uPD78F9418AGK 9EU IC2 5T 87 520 HD66712SA03FS 50 84 523 83 524 82 525 DIM2 DIM3 P81 S26 63 DS R22 10k AVDD L AVDD 62 3 73V AVREF 61 DIRS Q4 1 CMPREF 5 P25 INTP1 T11 P24 INTPO TIO P23 CMPTOUTO TO P22 SI RXD P21 SO TXD P20 SCK ASCK C5
17. 126 MAIN UNIT ORDER E mak 7010004330 7010004300 7010004340 7010004390 7070000860 4010000460 6510003550 7700001600 2260000980 2260000080 2260000080 2260000080 2510000930 0910052553 9029701901 RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR CERAMIC CONNECTOR MICROPHONE SWITCH SWITCH SWITCH SWITCH SPEAKER PCB TUBE R20J 12 kQ R20J 6 8 kQ R20J 15 kQ R20J 33 kQ ERG2SJ 150 DD104 B 471K 50V S07B EH S KUC2123 030245 SKHHLP014A SKHHAM024A SKHHAM024A SKHHAM024A SU 36W08040C B 5431 IRRAX 0 7 d L 4 mm S Surface mount SECTION 7 7 1 IC M501EURO CHASSIS PARTS REF NO ORDER NO 2 6510004880 8900009730 6950000400 8210017181 8210017150 8410002351 8310048890 8930052060 8930052050 8610010851 8610010861 8930051970 8510013460 8110007180 8930052280 8930052290 8930034300 8930049320 8810008660 8810008660 8810008660 8810008660 8810008660 8810008660 8810008660 8810004540 8810004540 8850000690 8810006050 8830001490 8930052430 8930052440 8930053030 8930053030 8010004340 8950000180 DSC UNIT ORDER NO 6510022240 Connector 272MRW 12P MAIN UNIT DESCRIPTION Antenna connector MR DS E 01 Cable OPC 944 Cover 272B 3 2345 front panel B 1 assembly 2345 rear panel assembly 2345 heatsink 1 2345 window plate B 2345 F packing 2345 R packing Knob N279 1 Knob N280 1 2345 A bush plate 2345 module cover assembly 2
18. 1SV270 Symbol TF A Ex MA363 B Symbol 6D Ua o DA204 U Symbol K 77 Symbol 4 202 U Symbol 8036 L Symbol cl Da SECTION 9 BOARD LAYOUTS 9 1 LOGIC UNIT e TOP VIEW C C 2 8 2 i 051 8 2 i xe C C 0517 51 e BOTTOM VIEW J 5942 U O COM 810 RO L lt e 2332273 T od Tr 819 C25 R66 12 J1 gt to HM 126 J2 C 25 38 1 39 128 g 55 P54 IC VA 64 103 ms 65 102 R47 cl R46 R5 R44 4 06 225 aR n 3 RG9 885
19. 2 i y a amp R 171108 0 eu 25 E 99 Cu 2241 29 245 mg 8 067 z x A E 23 a C234 5 38 gee 1 283 88 279 3 S B 105 2 S 210 pags Ej 58 d E 5 38 279 BB ELE Ice e UIS B 8188 RI ss res BB 5410 125 32 89 5 oO Q Q 5 Hi 5 B CJ m m 5 9 SG aa S C S S a 507 Q uc de 845 C74 HB BB gt SINN 1 23 071105 Ue a T E BEN Z cg 8 3 OS aa a E m 320 2 C2 TM S UZ 44 8 500800 w SB Wig 858 T TT i cone aye qu 9 Ri 213 Se gS 58 R15 5 BB O Bo 6 R C3 5 Y Y Q C3 m S C194 FO 1 7 11 C 5 588255 88 3 885 dp 9 3 DSC UNIT 9 6 VR UNIT 9 7 SQL UNIT e TOP VIEW gt 228 J1 21019 TIN O ooz 1 3 gt gt 0 to LOGIC unit J3 1 3 to MAIN unit W1 9 8 DIAL UNIT to MAIN unit J3 9 4 ANT UNIT 9 5 PWR CORD UNIT e TOP VIEW to MAIN unit 2010 DIALB to LOGIC unit J3 9 9 HM 126 KUC2123 030245 Wi p 2 por eroe xS BOTTOM VIEW DSC emm
20. 5040002310 S LED ERJ3GEYJ 104 V 100 kQ 5040002310 S LED ERJ3GEYJ 104 V 100 kQ 5040002310 S LED ERJ3GEYJ 104 V 100 kQ 5040002310 S LED ERJ3GEYJ 104 V 100 kQ 5040002310 S LED 5040002310 S LED 5040002310 S LED ERJ3GEYJ 104 V ERJ3GEYJ 221 V ERJ3GEYJ 221 V ERJ3GEYJ 221 V ERJ3GEYJ 221 V ERJ3GEYJ 103 V ERJ3GEYJ 103 V ERJ3GEYJ 273 V ERJ3GEYJ 103 V ERJ3GEYJ 103 V ERJ3GEYJ 104 V ERJ3GEYJ 394 V ERJ3GEYJ 124 V ERJ3GEYJ 103 V ERJ3GEYJ 221 V ERJ3GEYJ 221 V ERJ3GEYJ 103 V ERJ3GEYJ 332 V ERJ3GEYJ 333 V ERJ3GEYJ 105 V 100 kQ 220 Q 220 Q 220 Q 220 Q 10 kQ 2230000250 SWITCH 10 SPPH22014A 27 kQ 10 kQ 10 kQ 100 390 kQ 120 kQ 10 kQ 220 Q 220 Q 10 3 3 33 1 MQ 8930052590 LCD CONTACT 0910052113 PCB SRCN 2345 SP N W B 5427 gt gt gt gt n eam a a lanes nam am sl ca S Surface mount VOL UNIT ORDER kiku 7210003080 VARIABLE 6510009470 CONNECTOR 7120000470 JUMPER 0910052123 PCB SQL UNIT TP96N97 15F 10KA 2345 S3B ZR ERDS2TO B 5428C ORDER E R 7210002360 VARIABLE 8900009870 CABLE 0910052133 PCB DIAL UNIT TP96N97 15F 10KB 1301 OPC 971 B 5429C ORDER 2 2250000220 ENCODER 0910052142 PCB TP90N937E20 15F 1540 B 5430B MAIN UNIT ORDER 1110003200 1130007610 1150001540 1110003750 1110003650 1130007420
21. C1608 CH 1H 240J T A C1608 CH 1H 240J T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 JB 1C 104KT N MAIN UNIT 4510004630 4030011600 4030011600 4030011600 4030006860 4030011600 4030011600 4030006850 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030007090 4030011600 4030011600 4030006860 4030006860 4030006860 4030011600 4030006860 4030009510 4030006860 4030011600 4030006980 4030009910 4030009530 4030009500 4030009500 4550006130 4030011600 4550006560 4550006810 4550006810 4030009510 4030009520 4030009910 4030006860 4030011600 4030009560 4030006860 4030011810 4030011810 4030011600 4030011810 4030011600 4030011810 4030006900 4030007090 4550006700 4550006700 4550006700 4030011600 4030006860 4030007090 4030007090 4030006850 4030007090 4030007090 4030007090 4030007090 6330001620 6310000030 6510021300 6510022020 6510022020 6510016430 6510018920 6510018960 8900010210 7030003860 7030003860 0910052102 S ELECTROLYTIC ECEV1CA100SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S TANTALUM S TANTALUM S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S
22. CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S TANTALUM S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC RELAY S RELAY S CONNECTOR S CONNECTOR S CONNECTOR S CONNECTOR S CONNECTOR S CONNECTOR CABLE S JUMPER S JUMPER PCB C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1H 471K T A C1608 CH 1H 470J T A C1608 CH 1H 470J T A C1608 CH 1H 470J T A C1608 CH 1H 470J T A C1608 CH 1H 470J T A C1608 CH 1H 470J T A C1608 CH 1H 470J T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 CH 1H 010B T A C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 CH 1H 070D T A C1608 CH 1H 040B T A C1608 CH 1H 030B T A C1608 CH 1H 0R5B T A C1608 CH 1H 0R5B T A ECST1VY224R C1608 JB 1C 104KT N ECST1CY225R ECST1VY473R ECST1VY473R C1608 CH 1H 010B T A C1608 CH 1H 020B T A C1608 CH 1H 040B T A C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 CH 1H R75B T A C1608 JB 1H 102K T A C1608 JB 1A 224K T N C1608 JB 1A 224K T N C1608 JB 1C 104KT N C1608 JB 1A 224K T N C1608 JB 1C 104KT N C1608 JB 1A 224K T N C1608 JB 1E 103K T A C1608 CH 1H 470J T A ECST1AY106R ECST1AY106R ECST1AY106R C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 CH 1H 470J
23. ERJ3GEYJ 153 V 15 kQ ERJ3GEYJ 122 V 1 2 KQ ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 223 V 22 kQ 10 2 4 7 4R7 ERJ3GEYJ 393 V 39 kQ ERJ3GEYJ 393 V 39 ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 394 V 390 kQ ERJ3GEYJ 100 V 10 Q 7030003280 7030003440 7030003640 7030003440 7030003540 7030003680 7030003680 7030003680 7030003290 7030003440 7030003440 7030003440 7030003680 7030003600 7030003640 7030003620 7030003280 7030003310 7030003520 7030003550 7030003410 7030003440 7030003590 7030003440 7030003440 7030003200 7030003590 7030003520 7030003480 7030003560 7030003560 7030003560 7030003440 7030003560 7030003440 7030003530 7030003280 7030003460 7030003560 7030003430 7030003270 7510001050 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S THERMISTOR ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 470 V 47 Q ERJ3GEYJ 102 V 1 ERJ3GEYJ 473 V 47 ERJ3GEYJ 10
24. MHz terminated type Impedance 50 Q SWR Less than 1 2 1 Standard signal generator SSG Frequency range DC 20 MHz Frequency range 0 1 300 MHz Measuring range 0 01 20 V Frequency counter Frequency accuracy 1 ppm or better xc j Sensitivity 100 mV or better AC millivoltmeter Measuring range 10 10 V Input impedance 40 Frequency range 30 300 MHz External speaker Measuring range 0 to 10 kHz Capacity 9 W or more i Att t Power attenuation 50 or 60 dB DC voltmeter Input impedance 50 DC or better enuator Capacity more Oscilloscope CONNECTIONS Standard signal CAUTION generator lt 4 DO NOT transmit while SSG is 2 RE connected to the antenna connector RF power meter 50 Q 1 50 W FM deviation meter Attenuator 40 dB or 50 dB to the antenna connector To external speaker 2 DC power supply 13 8 V 15 counter to DC cable 5 2 PLL ADJUSTMENTS MEASUREMENT a ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT ADJUST Operating channel ch16 MAIN Connect a digital 2 5 V MAIN L13 Receiving multi meter or oscil loscope to check point CP1 2 Operating channel ch116 3 4 4 1 V Verify Receiving Operating channel ch16 Connect a digital 2 8 V L10 Output power Low multi meter or oscil Transmitting loscope to check point CP2 Operating channel ch116 Verify Ou
25. R E Paetus er c aaa pus mas TE PLEEJADJUSTMENTS ated E REA TRANSMITTER ADJUSTMENTS RECEIVER ADJUSTMENT oo ond Se Boies Bab eoe ewe St buka PARTS LIST MECHANICAL PARTS 1 5 501 is oe SEMI CONDUCTOR INFORMATION BOARD LAYOUTS LOGIC INTE SSS SESE ES ERE E oda P ale e Ee OC DA d rues RA VT ta tor VEY ANT INT Ts de 253 Eod ect N PWR CORD UNIT sies oe Un hed oi ied awaqa Waku samim S SOLE DNI DEE ueber ea d PE SEs DIAL INTE ua SAR e oat a kaway d t CS RUD T BLOCK DIAGRAM VOLTAGE DIAGRAM LOGIC UNIT PI Ec t al oe eho oe te Ska acus a bug T Cc N PP Fr FT N N O O O O C1 oa O N SECTION 1 GENERAL Frequency coverage e Mode Usable channels Power supply requirement Usable temperature range Frequency stability Current drain at 13 8 V DC Antenna connector Dimensions projections not included Weight TRANSMITTER Output power at 13 8 V DC Modulation e Maximum frequency deviation
26. RX 5 4 RECEIVER ADJUSTMENTS ADJUSTMENT SENSITIVITY 1 Operating channel ch16 SQUELCH control Max counterclockwise Set the internal speaker OFF in the SET mode and connect a distortion meter with a 4 load to EXT SP receptacle Connect an SSG to the antenna ADJUSTMENT CONDITION connector and set as 156 800 MHz 10 pV 97 dBm 1 kHz 3 5 kHz Frequency Level Modulation Deviation Receiving Operating channel ch16 SQUELCH control Max counterclockwise Connect an SSG to the antenna connector and set as 156 800 MHz 0 18 122 dBm 1 kHz 3 5 kHz Frequency Level Modulation Deviation Receiving SQUELCH MEASUREMENT UNIT LOCATION MAIN Connect a DC volt meter to check point Maximum voltage MAIN Connect a DC volt meter to check point CP5 This output level of a standard signal generator SSG is indicated as SSG s open circuit MAIN ADJUSTMENT POINT L1 L2 L3 L4 Receive sensitivity check point Receive sensitivity adjustment CP5 Squelch check point 955 SECTION 6 PARTS LIST 6 1 IC M501EURO LOGIC UNIT ORDER kiku 1140008670 S IC uPD78F9418AGK 9EU 1140008960 S IC HD66712SA03FS LOGIC UNIT ORDER mar 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 K9 7030003590
27. S DIODE S DIODE S DIODE DIODE DIODE TA31136FN DS8 M57710 A SC 1302 M5218AFP 600C HOL FRG NJM2211M TE1 HOL FRG TC7W14FU TE12L HOL FRG TA78L05F TE12R TA7808S TA7805F TE16L BU4066BCF T1 M5218AFP 600C BU4066BCF T1 M5218AFP 600C LA4425A S 80928ANMP DDR T2 MB90F583BPFV G HN58X2464TI TC7W14FU TE12L NJM2125F TE1 3SK292 TE85R 3SK166A 2 T7 2SC2714 Y TE85R 2SC4215 O TE85R 2SK880 Y TE85R 2SK210 GR TE85R 2SK210 GR TE85R 2SC4215 O TE85R 2SC4215 O TE85R 2SC3775 3 TB 2SC2954 T2B 2SB1143 S DTC144EUA T106 FMW1 T148 DTC144EUA T106 2SC4116 BL TE85R 2SB1132 T100 R DTC144EUA T106 2SB1132 T100 R DTC144EUA T106 2SC4116 BL TE85R 2SC4116 BL TE85R 2SJ144 Y TE85R 2SJ144 Y TE85R 2SK1069 4 TL DTC144EUA T106 2SC4116 BL TE85R DTC144EUA T106 2SC4116 BL TE85R 2SK1069 4 TL DTA144EUA T106 DTA144EUA T106 DTC144TU T107 DTC144TU T107 2SC4081 T107 R 2SA1576A T106R 2SK1069 4 TL DTA144EUA T106 DTA144EUA T106 2SC4116 BL TE85R 2SC4116 BL TE85R 1SV270 TPH3 1SV270 TPH3 1SV270 TPH3 1SV270 TPH3 MA8036 L TX MA77 TX MA77 TX 1SS355 TE 17 HSM88ASR TR HSM88ASR TR XB15A308 XB15A308 S Surface mount MAIN UNIT 1750000550 1790000700 1750000130 1750000130 1750000130 1750000550 1750000130 1720000360 1160000050 1750000550 1790001210 2010002420 2010002420 2020001680 6070000210 6050010800 6050011030 6050010290 6150003820 615000382
28. TL FL 310 FL 310 ALFY450E CDBCA450CX24 CR 659 21 25 MHz DMX 26S 32 768 kHz CR 610 7 9872 MHz LS 440 LS 440 LS 440 LS 440 NL 322522T R82J 3 NL 252018T 056J MLR1608M R10K T NL 322522T 3R3J 3 LB 258 NL 322522T 2R7J 3 NL 322522T 3R9J 3 LB 257 NL 322522T 2R7J 3 MLR1608M R10K T MLR1608M R10K T NL 252018T 082J NL 252018T 082J NL 252018T 047J NL 252018T 047J LA 243 LW 25 LA 149 LA 243 LA 253 LA 243 LA 238 MLF1608A 2R2K T MLF1608A 1R0K T MLF1608D R15K T ERJ3GEYJ 224 V ERJ3GEYJ 333 V ERJ3GEYJ 223 V ERJ3GEYJ 103 V ERJ3GEYJ 473 V ERJ3GEYJ 101 V ERJ3GEYJ 471 V ERJ3GEYJ 101 V ERJ3GEYJ 224 V ERJ3GEYJ 224 V ERJ3GEYJ 224 V ERJ3GEYJ 103 V ERJ3GEYJ 103 V ERJ3GEYJ 100 V ERJ3GEYJ 222 V ERJ3GEYJ 122 V ERJ3GEYJ 152 V ERJ3GEYJ 104 V ERJ3GEYJ 101 V ERJ3GEYJ 471 V ERJ3GEYJ 122 V ERJ3GEYJ 391 V ERJ3GEYJ 152 V ERJ3GEYJ 334 V ERJ3GEYJ 821 V 820 Q ERJ3GEYJ 333 V 33 kQ EVM 1XSX50 B24 203 220 kQ 33 kQ 22 10 kQ 47 kQ 100 0 470 Q 100 0 220 220 220 10 10 10 0 2 2 1 2 1 5 100 100 0 470 0 1 2 390 0 1 5 330 Yan mas aes gt gt gt 7 MAIN UNIT ORDER ORDER E E E NN 7030003660 7030003420 7030003320 7030003300 7030003320 7030003280 7030003380 7030003640 7030003440 7030003560 7410000950 7030003660 7030003420 7030003320 7030003320 7030003500 7030003480 7030
29. XB15A308 0 2 0141 L C142 L 127 6 C143 330 27p LA 238 T 100p C133 L23 L24 L25 0 001 LA 149 LA 243 A 253 ANT LN qu 6187 82k C134 C136 p C138 C130 I 8p J 12p T J VR UNIT 0 001 Q21 Q23 R1 DTC144EU DTC114EU 68 9545 ii asy R116 47 R117 1k 9284116 C19 or 2 R120 q IC10 9184116 560k R124 R125 777 0198 0 1 gt BU4066BCF 33k 33k R118 C183 C184 K 82k 0 027 0 027 7 C185 193 e 024 C189 2 missa 22866 L 28 5 R121 R123 R126 R127 R131 A 2SK1069 81277 180 330 5206 I 22k 100k 10 Ly 7 C196 C246 0 22 0 1 n 34 1 _ D5V gt 1 2 MAIN MAIN BUS 0 OPT BUS HV 5 OPT BUS SMIC SMIC SMIC AFO AO re e 2 68V 5 C MOD R175 Q SPS C237 R176 0236 2 C235 8 2k R155 R154 2 0 001 I I 10 VBIAS 1M 1M VBIAS x _ C230 C291_L C220 1 IC11B M5218AFP R160 1M MOD C234 0 01 R174 33k 2 68V R173 18k 165 50k k IC13B R169 M5218AFP C13 NTCCM16084BH R168 5 R167 R166 C223 R1582 Q30 OPTION 108 W 82k 82 R161 T01 50092 28C4116 R171 22 c319 C282 12k C226 R164 UT 112 0 1 RV2 2 0 0033 82k 222 Ww 01 01 5 0 001 C224 j C279 L C229 R170 C228 C227 22 R159 R157 9907 47p 12k T 33k 2 7k R163
30. amplifier IC11a via the analog switch 1 10 pins 11 10 A capacitor C214 and resistor R147 are con nected to the amplifier to obtain the pre emphasis charac teristics APC circuit FF agra a amp V x TMUT The amplified signals are applied to the IDC amplifier 1C13a pin 2 via the analog switch 1 12 pins 8 9 and pins 4 3 and are passed through the splatter filter IC13b to suppress unwanted 3 kHz or higher signals The filtered sig nals are then applied to the modulation circuit 4 2 2 MODULATION CIRCUIT The modulation circuit modulates the VCO oscillating signal RF signal using the microphone audio signals Audio signals from the splatter filter IC13b pass through the frequency deviation adjustment pot R172 and are then applied to the modulation circuit D8 to change the reac tance of D8 and modulate the oscillated signal at the TX VCO Q7 4 2 3 DRIVE AMPLIFIER CIRCUIT The drive amplifier circuit amplifies the VCO oscillating sig nal to a level needed at the power amplifier The VCO output is buffer amplified by Q9 and Q10 and is then applied to the Tx Rx switch 012 The transmit signal from the Tx Rx switch is amplified to the pre drive Q11 and drive Q12 amplifiers to obtain an approximate 200 mW sig nal level The amplified signal is then applied to the RF power amplifier IC3 4 2 4 POWER AMPLIFIER CIRCUIT The power amplifier
31. iM gt n m 2 R247 FIR FTR B3GA4 5Z SP MIC Ri79 1 6 iM i C238 C241 0 01 R180 0 001 DTC144EU 22k J8 4 2 EXT SP 11 3 Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan Phone 06 6793 5302 Fax 06 6793 0013 URL http Awww icom co jp world index html Icom America Inc Corporate Headquarters 2380 116th Avenue N E Bellevue WA 98004 U S A Phone 425 454 8155 Fax 425 454 1509 URL http www icomamerica com Customer Service Phone 425 454 7619 Icom Canada Glenwood Centre 150 6165 Highway 17 Delta B C 4 5B8 Canada Phone 604 952 4266 Fax 604 952 0090 URL http www icomcanada com Icom Australia Pty Ltd A B N 88 006 092 575 290 294 Albert Street Brunswick Victoria 3056 Australia Phone 03 9387 0666 Fax 03 9387 0022 URL http www icom net au Icom New Zealand 146A Harris Road East Tamaki Auckland New Zealand Phone 09 274 4062 Fax 09 274 4708 Asia Inc 6F No 68 Sec 1 Cheng Teh Road Taipei Taiwan R O C Phone 02 2559 1899 Fax 02 2559 1874 Icom Europe GmbH Communication Equipment Himmelgeister Str 100 D 40225 D sseldorf Germany Phone 0211 346047 Fax 0211 333639 URL http www icomeurope com Icom Spain S L Crta de Gracia a Manresa Km 14 750 08190 Sant Cugat del Valles Barcelona SPAIN Phone 93 590 26 70 Fax 93 589 04 46 URL http www ico
32. lt t R240 R239 o a DITSTRT 2 PHVS 3 MLDA 4 bB MLDA x 5 B LMDA mas DA204U 6 from LOGIC 7 DSRESET RESET unit J4 8 IC1A 9 M5218AFP R2 D2 E 2301 10 GND ME T IM 12 Dp ded 82k C2 13 5 su n i IC1B M5218AFP 15 DSC UNIT 14 0 CHASSIS ANT W2 a 2 e R m Ab 77 ee ac Ars Car E 1 4 66V W6 W5 Q GND ANT UNIT H8 I 6001 601 R7 6001 I 9 4 pom Rg C10 9 I C22 021 470 0 0017 0 001 R107 2 0 5 i R3 C163 35k 6 0622 T 100k 01 C28 17 C16 C5 L1 25 001 202 2 LS 440 1 R111 r lt 330 I 3 1 14 C13 15 amp 8715p Tap 3p 22k 165 414 198 PWR CORD BOARD R9 R6 D1 0 5 1 1008 C12 C11 C8 47k 1SV270 oP T R11 R10 470p T 0 0017 470p Lg RE R2 220k Z Bs 220k 220k 77 250k 1SV270 15 270 a a HOL FRG only _ 129 025 C19 C15 C6 HV iu 0 001 0 001 0 001 T 0001 81 58 o R282 a IC8 N 39 uH TA7808S T 2 c7 c1 L22 D16 L26 D17 S L 4 14 LW 25 XB15A308 LA 243
33. 0 6150003820 6150003820 6200003050 6200002410 6200004700 6200003320 6130002370 6200003090 6200003100 6130002360 6200003090 6200004700 6200004700 6200002430 6200002430 6200002600 6200002600 6110001600 6170000230 6110001130 6110001600 6110001670 6110001600 6110001580 6200004920 6200003960 6200004600 7030003720 7030003620 7030003600 7030003560 7030003640 7030003320 7030003400 7030003320 7030003720 7030003720 7030003720 7030003560 7030003560 7030003200 7030003480 7030003450 7030003460 7030003680 7030003320 7030003400 7030003450 7030003390 7030003460 7030003740 7030003430 7030003620 7310003590 S DIODE DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE MONOLITH MONOLITH CERAMIC S DISCRIMINATOR S XTAL S XTAL S XTAL COIL COIL COIL COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL COIL COIL COIL COIL COIL COIL COIL S COIL S COIL S COIL S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S TRIMMER 1SS355 TE 17 DSA3A1 DA204U T107 DA204U T107 DA204U T107 1SS355 TE 17 DA204U T107 HSU88TRF DAP202U T107 1SS355 TE 17 1SS375
34. 0 kQ ERJ3GEYJ 223 V 22 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 223 V 22 ERJ3GEYJ 562 V 5 6 kQ ERJ3GEYJ 472 V 4 7 kQ ERJ3GEYJ 120 V 12 Q ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 471 V 470 Q ERJ3GEYJ 682 V 6 8 ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 473 V 47 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 823 V 82 kQ ERJ3GEYJ 823 V 82 kQ ERJ3GEYJ 823 V 82 kQ ERJ3GEYJ 561 V 560 Q C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N ECEV1CA100SR C1608 JB 1H 472K T A C1608 JB 1C 104KT N C1608 CH 1H 391J T A C1608 JB 1H 332K T A C1608 CH 1H 820J T A 2040001440 2040001440 4030006860 4030006900 4030006850 4030007090 4030006860 4030007090 4030007090 6510003130 0910052482 ANT UNIT ORDER E waar GRM42 6 CH 090D 500PT GRM42 6 CH 090D 500PT 4030011110 4030011110 0910052812 PWR CORD UNIT ORDER OR NFM60R20T152 NFM60R20T152 S LC S LC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC CONNECTOR PCB S CERAMIC S CERAMIC PCB C1608 JB 1H 102K T A C1608 JB 1E 103K T A C1608 JB 1H 471K T A C1608 CH 1H 470J T A C1608 JB 1H 102K T A C1608 CH 1H 470J T A C1608 CH 1H 470J T A SB4P HVQ 22 B 5486B B 5470B 6510022240 CONNECTOR 6510022020 S CONNECTOR 272MRW 12P 14FLT SM1 TB 5920000570 TRANSFORMER 12T01 0910052833 PCB B 5472 S Surface mount 6 2 HM
35. 003360 7030003440 7030003480 7030003270 7030003480 7030003390 7030003560 7030003560 7030003320 7030003200 7030003440 7030003320 7030004700 7030003440 7030003200 7030003640 7030003530 7030003500 7030003560 7030003340 7030003480 7030003480 7030003560 7310002670 7030003600 7030003800 7030003680 7030001150 7030003670 7030003280 7030003680 7030003680 7030003560 7030003550 7030003460 7030003760 7030003760 7030003560 7030003560 7030003560 7030003760 7030003640 7030003680 7030003630 7030003580 7310002720 7030003380 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S ARRAY S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S TRIMMER S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S TRIMMER S RESISTOR 683 V 68 681 V 680 Q 101 100 0
36. 02JV EXB V8V 102JV ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 102 V 1 kQ ERJ3GEYJ 105 V 1 MO ERJ3GEYJ 153 V 15 ERJ3GEYJ 222 V 2 2 kQ ERJ3GEYJ 272 V 2 7 kQ ERJ3GEYUJ 104 V ERJ3GEYJ 474 V 470 kQ 100 kQ ERJ3GEYJ 474 V 470 kQ ERJSGEYJ 104 V ERJSGEYJ 104 V ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 104 V 100 kQ ERJSGEY J 102 V 1 ERJS3GEYJ 105 V 1 ERJS3GEYJ 105 V 1 ERJS3GEYJ 272 V 2 7 ERJSGEY J 102 V 1 EXB V8V 102JV ERJSGEYJ 102 V ERJSGEYJ 102 V ERJSGEYJ 105 V ERJSGEYJ 333 V ERJSGEYJ 183 V ERJS3GEYJ 474 V 470 ERJS3GEY J 122 V 1 2 ERJSGEY J 102 V 1 ERJSGEYJ 102 V 1 ERJSGEY J 102 V 1 EXB V8V 102JV EXB V8V 102JV ERJS3GEYJ 103 V 10 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 100 kQ 100 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 104 V ERJ3GEYJ 473 V 47 ERJ3GEYJ 473 V 47 ERJ3GEYJ 153 V 15 ERJ3GEYJ 102 V 1 kQ ERJ3GEYJ 102 V 1 kQ 100 kQ 3 kQ 8 kQ 7030003640 S RESISTOR 7030003580 S RESISTOR 7030003440 S RESISTOR 7030003440 S RESISTOR 7030003520 S RESISTOR 1 1 1 3 1 030003660 7030003590 7030003800 7030003800 7030003640 7030003800 7030003800 7030003800 7030003490 7030003600 7030003620 7030003800 7030003570 7030003670 7030003800 7030003670 7030003700 7030003670 7030003670 7030003
37. 030003560 S RESISTOR 7030003440 S RESISTOR 7030003680 S RESISTOR 7030003640 S RESISTOR 7030003600 S RESISTOR 7030003560 S RESISTOR 7030003460 S RESISTOR 7030003560 S RESISTOR 7510001150 S THERMISTOR 7030003560 S RESISTOR 7030003560 S RESISTOR 7030003560 S RESISTOR 7030003560 S RESISTOR 7030003560 S RESISTOR 7030003560 S RESISTOR 7030003560 S RESISTOR 7030003680 S RESISTOR 7030003680 S RESISTOR 7030003680 S RESISTOR 7030003680 S RESISTOR 7030003680 S RESISTOR 7030003360 S RESISTOR 7030003360 S RESISTOR 7030003360 S RESISTOR 7030003360 S RESISTOR 7030003560 S RESISTOR 7030003560 S RESISTOR 7030003610 S RESISTOR 7030003560 S RESISTOR 7030003560 S RESISTOR 7030003680 S RESISTOR 7030003750 S RESISTOR 7030003690 S RESISTOR 7030003560 S RESISTOR 7030003360 S RESISTOR 7030003360 S RESISTOR 7030003560 S RESISTOR 7030003500 S RESISTOR 7030003620 S RESISTOR 7030003800 S RESISTOR ERJ3GEYJ 473 V 47 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 473 V 47 kQ 4030011600 S CERAMIC ERJ3GEYJ 103 V 10 kQ 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4510004630 S ELECTROLYTIC 1 1005 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030011600 S CERAMIC C1608 JB 1C 104KT N 4510004440 S ELECTROLYTIC ECEV1HAO10SR 4510004440 S ELECTROLYTIC
38. 1 TX 7 95V RX 0 3V P15 AD13 P73 DA00 D6 0 5 5p C304 158355 TX 13 2V P16 AD14 DVSS R252 MA363BT x H e 0288 P T 0 22 P17 AD15 DVRH 4 7 N 4p R259 P20 A16 P72 2 19 mj N 1 111 21 17 292 3 59 52 eo 2 7u R251 2 4 nsi 45 82 gt as 2SC4116 L19 L20 22p 47n 47n 0 0 C300 C301 R276 62 R262 10 22 UTI I 47 2 2k Q8 28K210 639 56k C117 C118 C119 J 9422954 010 SCON aa K 2SC4215 po 4 5 R257 MA363BT 23 C298 C104 8 5 lt Le T 5 2182 1k 2 C302 Q 88 SST 162 0001 44 08 20313 cio 5 LSLELE ber s 0 0 75p 2SC4215 9 T T 2T T 0 001 ETSTS T HN58X2464TI 0296 319 3 8 0299 28258 a gt m 8 m u LB 257 4p Ju 5 D13 5 Kerty e 8 1 0 047 27 1 1K 1SS355 D10 ore H MA363B SED T TT Q34 DTA144EU D28 DAP202U x1 for FLASH P01 O QOO 00 ion gt 00 5 gt O 0 0 gt DATAM DATAM MDDA J n m as MCDA gt t J J Jj Jj 9 8 47 E Y 26 1576 8 ll nA Ab Ll GND 4 IF 1p DSC UNIT s
39. 1180000420 1110002030 1180001070 1130007690 1110003750 1130007690 1110003750 1110003090 1110004710 1140008660 1140008650 1130007420 1120002830 1580000700 1580000490 1530002360 1530002600 1560000540 1560000330 1560000330 1530002600 1530002600 1530002240 1530002340 1520000380 1590000430 1590000670 1590000430 1530002850 1520000460 1590000430 1520000460 1590000430 1530002850 1530002850 1590001390 1590001390 1560000810 1590000430 1530002850 1590000430 1530002850 1560000810 1590000720 1590000720 1590000660 1590000660 1530002060 1510000510 1560000810 1590000720 1590000720 1530002850 1530002850 1790001310 1790001310 1790001310 1790001310 1790001330 1790000640 1790000640 1790000640 1790000640 1790000640 1790000620 1790000620 1750000550 1790000690 1790000690 1710001080 1710001080 S IC S FET S FET S TRANSISTOR S TRANSISTOR S FET S FET S FET S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S FET S FET S FET S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S FET S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S FET S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S VARICAP S VARICAP S VARICAP S VARICAP S ZENER S VARICAP S VARICAP S VARICAP S VARICAP S VARICAP S DIODE S DIODE
40. 2 DO NOT open the transceiver until the transceiver is disconnected from its power source 3 DO NOT force any of the variable components Turn them slowly and smoothly 4 DO NOT short any circuits or electronic parts An insu lated tuning tool MUST be used for all adjustments 5 DO NOT keep power ON for a long time when the trans ceiver is defective 6 DO NOT transmit power into a signal generator or a sweep generator 7 ALWAYS connect a 40 dB to 50 dB attenuator between the transceiver and a deviation meter or spectrum ana lyzer when using such test equipment 8 READ the instructions of test equipment thoroughly before connecting equipment to the transceiver SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION A A N N N N O N O O c m CO CO CO CO CO 4 CO O I I I I I I I I I O OO QO N 10 11 11 11 2 TABLE OF CONTENTS SPECIFICATIONS INSIDE VIEWS OPTIONONAL UNIT INSTALLATION CIRCUIT DESCRIPTION RECEIVER CIRCUITS dE a TRANSMITTER CIRCUITS ae he PEE CIRCUIT ede tae Bs PSCCIRCUIT NET Tm x ee es POWER SUPPLY CIRCUITS 7222 u dubi eee kG eee eee ae EAE LOGIC CIRGUINS Ree deste ADJUSTMENT PROCEDURES PREPARATION Eoo
41. 2 6 CH 330J 500PT GRM42 6 CH 270J 500PT GRM42 6 CH 101J 500PT C1608 JB 1C 104KT N HOL FRG C1608 JB 1C 104KT N HOL FRG C1608 JB 1E 103K T A HOL FRG C1608 JB 1E 103K T A HOL FRG C1608 JB 1E 103K T A HOL FRG C1608 JB 1C 104KT N HOL FRG C1608 JB 1C 123K T A HOL FRG C1608 JB 1C 333K T A HOL FRG C1608 JB 1C 333K T A HOL FRG C1608 JB 1H 471K T A HOL FRG C1608 JB 1C 473K T A HOL FRG C1608 JB 1C 104KT N HOL FRG C1608 JB 1A 224K T N HOL FRG C1608 JB 1C 104KT N HOL FRG ECWU 1C 333JB5 HOL FRG C1608 JB 1C 104KT N HOL FRG C1608 JB 1H 222K T A HOL FRG C1608 JB 1E 103K T A HOL FRG C1608 JB 1H 471K T A HOL FRG C1608 JB 1H 102K T A C1608 JB 1H 102K T A ECEV1CA100SR C1608 JB 1C 104KT N C1608 JB 1C 104KT N S Surface mount MAIN UNIT ORDER ORDER E E 4510004630 4030011600 4030011600 4510004630 4510004630 4030011600 4030011600 4030006900 4510007470 4030006900 4030006860 4550006130 4030008890 4030008890 4030006870 4030009490 4510004630 4030012600 4030010770 4030010770 4030012600 4030012600 4030011600 4030006900 4030011600 4030011600 4030011600 4030011600 4030011600 4030007090 4030007090 4030011600 4030011600 4030011600 4030007090 4030006900 4030006850 4030006900 4030006850 4030011810 4030007090 4030008900 4030007170 4030011600 4030006900 4030011600 4030011600
42. 2 V 1 ERJ3GEYJ 682 V 6 8 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 104 V 100 kQ 104 V 100 ERJ3GEYJ 560 V 56 Q ERJ3GEYJ 102 V 1 ERJ3GEYJ 102 V 1 ERJ3GEYJ 102 V 1 ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 223 V 22 kQ ERJ3GEYJ 473 V 47 kQ ERJ3GEYJ 333 V 33 kQ ERJ3GEYJ 470 V 47 Q ERJ3GEYJ 820 V 82 Q ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 822 V 8 2 kQ ERJ3GEYJ 561 V 560 Q ERJ3GEYJ 102 V 1 183 V 18 102 1 102 1 100 V 10 0 183 18 472 4 7 222 V 2 2 103 10 103 10 103 10 102 1 103 10 102 1 562 V 5 6 ERJ3GEYJ 470 V 47 Q 152 V 1 5 103 V 10 821 V 820 0 ERJ3GEYJ 390 V 39 0 1608 4LH 333KC T 7030003680 S RESISTOR 7030003490 S RESISTOR 7030003610 S RESISTOR 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 ERJ3GEYJ 272 V 2 7 kQ ERJ3GEYJ 273 V 27 kQ ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 104 V 100 kQ S Surface mount MAIN UNIT 4030006990 4030009500 4030007030 4030009520 4030006860 4030006860 4030006850 40300068
43. 260 8810008900 8810009240 8930053850 MAIN UNIT ORDER NO MC1 7700002120 a Li KUC2123 030245 222 2510001070 Speaker S36G04K 4 1 Pan head Screw abbreviations Cable OPC 947 Microphone hanger OPC 562 black 2345 mobile bracket 1 2040 knob bolt black Screw PH A M3 5 x 30 SUS Screw PH A M5 x 20 SUS Flat washer M5 SUS Spring washer M5 SUS DESCRIPTION Cable OPC 948 Cable OPC 949 2352 front panel 1 2352 front panel A 1 2352 rear panel 2352 rear panel A 2352 key 2352 PTT rubber 2352 PTT holder 2352 MIC rubber 2352 rubber 2352 main seal 2352 hanger knob 2352 R plate 2352 MIC plate 2352 screw ICOM washer Y O ring AE O ring AF 1757 sheet 2352 SP net Spring washer M4 SUS Screw PH BT 2 x 6 NI Screw PH M3 x 6 NI Screw M4 x 10 ZK 2352 SP rubber DESCRIPTION BT Self Tapping NI Nickel NI ZU Nickel zinc N N N N N CF Oo QO cL SUS Stainless ZK Black MP41 CH MP40 CH MP22 CH p J2 CH MP37 CH MP51 MP5 CH CH 42 CH NS MP34 CH MP6 CH 18 MP35 MP43 N 4 D lt Bon we a MP36 CH P MAIN d MP44 CH MP1 CH 202 47 MP9 9 s _ 19 CH MP15 CH x A v MP8 CH
44. 30003480 S RESISTOR 7030003680 S RESISTOR 7030003760 S RESISTOR 7030003760 S RESISTOR 7030003680 S RESISTOR 7030003680 S RESISTOR 7030003680 S RESISTOR 7030003680 S RESISTOR 7030003440 S RESISTOR 7030003800 S RESISTOR 7030003800 S RESISTOR 7030003490 S RESISTOR 7030003440 S RESISTOR 7410000950 S ARRAY 7030003440 S RESISTOR 7030003440 S RESISTOR 7030003800 S RESISTOR 7030003620 S RESISTOR 7030003590 S RESISTOR 7030003760 S RESISTOR 7030003450 S RESISTOR 7030003590 S RESISTOR 7030003550 S RESISTOR ERJ3GEYJ 822 V 8 2 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 184 V 180 ERJ3GEYJ 272 V 2 7 kQ ERJ3GEYUJ 331 V 330 ERJ3GEYUJ 333 V 33 kO 7030003700 S RESISTOR ERJ3GEYJ 333 V 33 7030003640 S RESISTOR 7410000950 S ARRAY 7410000950 S ARRAY 7030003680 S RESISTOR 7030003440 S RESISTOR 7030003800 S RESISTOR 7030003580 S RESISTOR 7030003490 S RESISTOR 7030003440 S RESISTOR 7030003440 S RESISTOR 7030003440 S RESISTOR 7410000950 S ARRAY 7410000950 S ARRAY 7030003560 S RESISTOR 7030003680 S RESISTOR 7030003680 S RESISTOR 7030003680 S RESISTOR 7030003680 S RESISTOR kQ 7030003680 S RESISTOR kQ 7030003680 S RESISTOR 7030003640 S RESISTOR ERJ3GEYJ 154 V 150 kQ ERJ3GEYJ 473 V 47 EXB V8V 1
45. 345 shield cover O ring AC O ring AD 1542 ANT seal 2288 VENT sheet Screw PH BT M3 x 8 NI ZU Screw PH BT M3 x 8 NI ZU Screw PH BT M3 x 8 NI ZU Screw PH BT M3 x 8 NI ZU Screw PH BT M3 x 8 NI ZU Screw PH BT M3 x 8 NI ZU Screw PH BT M3 x 8 NI ZU Screw M3 x 8 SUS Screw M3 x 8 SUS Flat washer M3 3x7x0 5 SUS Icom screw E 7 2345 nut 2345 A IC Clip 2345 B IC Clip 2345 earth plate 2345 earth plate Edging rubber FX452 Cable tie 80 DESCRIPTION N QO 0 O O O N N NY G HH HH o QTY REF NO ORDER NO DESCRIPTION m 8510013150 8930014140 8930053480 8930013590 2345 VCO case Earth spring D 2345 plate Alminum sheet N LOGIC UNIT REF NO ORDER NO 2230000250 5030001880 8930052590 8210016830 8930052000 8930052630 DESCRIPTION Switch SPPH22014A LCD TSD0393 UFFDCW LCD contact SRCN 2345 SP N W 2345 reflector 2345 LCD holder 2345 LCD filter MECHANICAL PARTS UNPACKING ORDER NO DESCRIPTION ary 8900009 760 8900005640 8010018151 8610010560 8810001470 8810001490 8850000180 8850000500 7 2 HM 126 CHASSIS PARTS REF NO ORDER NO 8900009770 8900009780 8210016861 8210016961 8210016850 8210017110 8930052160 8930052150 8930052140 8930052690 8930052120 8930052110 8610010870 8310048760 8310048780 8820001150 8850001850 8930052340 8930052350 8930039000 8930053040 8850001610 8810009
46. 4030011600 4030006900 4030011600 4030011600 4030007050 4030006860 4030008650 4030007110 4030008470 4030007090 4030011600 4030006900 4510004630 4030011600 4030006900 4510004630 4030011600 4030006860 4030006900 4030012600 4030012600 4030006860 4030011600 4510007470 4510007470 4030011600 4030011810 4030008890 4030007010 4030007070 4030009650 4030009650 4030011600 4030006900 4030011600 S ELECTROLYTIC ECEV1CA100SR S CERAMIC S CERAMIC S ELECTROLYTIC S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC ELECTROLYTIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC ELECTROLYTIC ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1C 104KT N C1608 JB 1C 104KT N ECEV1CA100SR ECEV1CA100SR C1608 JB 1C 104KT N
47. 560 7510001150 7030003570 7030003570 7310002600 7030003590 7030003620 7030003550 7030003280 7030003580 7030003450 7030003800 7030003600 7030000100 7030003630 7030003630 7030003680 7030003680 7030003680 7030003800 7030003750 7030003800 7030003200 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S THERMISTOR S RESISTOR S RESISTOR S TRIMMER S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR ERJ3GEYJ 183 V 18 kQ ERJ3GEYJ 683 V 68 kQ ERJ3GEYJ 183 V 18 kQ ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 473 V 47 ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 272 V 2 7 kQ ERJ3GEYJ 223 V 22 kQ ERJ3GEYJ 333 V 33 kQ ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 123 V 12 kQ ERJ3GEYJ 823 V 82 ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 823 V 82 kQ ERJ3GEYJ 154 V 150 kQ ERJ3GEYJ 823 V 82 kQ ERJ3GEYJ 823 V 82 kQ ERJ3GEYJ 103 V 10 kQ NTCCM1608 4BH 103KC ERJ3GEYJ 123 V 12 kQ ERJ3GEYJ 123 V 12 kQ RV 110 RHO3A3AS4X0AA 473 ERJ3GEYJ 183 V 18 kQ ERJ3GEYJ 333 V 33 kQ ERJ3GEYJ 822 V 8 2 ERJ3GEYJ 470 V 47 Q
48. 60 4030006860 4030006860 4030006850 4030009530 4030007030 4030006860 4030009530 4030006860 4030007030 4030006860 4030009550 4030009500 4030009520 4030009550 4030007030 4030006860 4030006900 4030006860 4030007050 4030006860 4030007110 4030008880 4030006860 4030006860 4030011770 4030006860 4030006900 4030006860 4030006900 4030008880 4030006860 4030007080 4030007080 4030006860 4030011810 4030011600 4030006860 4030006860 4030011600 4030007130 4030007090 4030011600 4510004630 4030006900 4030006860 4030011600 4030006860 4030006900 4030012600 4030007170 4030007170 4030006860 4030009920 4030009990 4030006860 4030007040 4610002150 4030007010 4030006860 4030011600 4030006860 4030006900 4030011600 4030006860 4030006860 4030008880 4030006900 4030006860 4030006900 4030007020 4030006860 4030006860 4030007020 4030006860 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S C
49. 7 9872 MHz and 32 768 kHz system clocks for the MPU 1C16 respectively e RESET CIRCUIT is a reset IC When turn power ON 1C15 outputs a reset signal pulse to MPU 16 75 e LOW BATTERY DETECTOR VCC voltage is divided by R204 R205 and is applied to the low battery detector section in the MPU IC16 pin 42 4 6 2 LOGIC UNIT e CPU IC1 is an 8 bit single chip micro computer and contains LCD driver serial I O timer A D converter programmable ROM and RAM e SYSTEM CLOCK CIRCUIT X1 is a ceramic oscillator and oscillates a 4 91 MHz system clock for the CPU IC1 e LCD DRIVER IC2 is a LCD driver for a dot matrix LCD e DIMMER CIRCUIT CPU IC1 and Q2 Q3 Q8 are dimmer circuit and control the LCD backlight LED CONTRAST CIRCUIT CPU IC1 and Q1 Q4 are contrast circuit and control the 8 step display contrast 4 7 PORT ALLOCATIONS 4 7 1 SUB CPU LOGIC unit IC1 Port 27 LRESET Output ports for the LCD driver 28 29 30 E RW RS control signals DB7 I O port for the LCD driver IC2 control DBO signals 4 4 4 4 4 SCAN Input port for the SCAN key Input port for the DIAL key Input port for the CALL key CHWX SQLV Input port for the squelch volume level Input port from the microphone HM KEYM 126 for remote control signal DIALA 91 52 2 3 4 6 7 4 SRXD 5 1 2 3 4 EN I
50. C W1 CHASSIS W2 H L ON 3 8V SP1 S36G04K 4 R5 15 U gt N KEYM __GREEN GREEN D KGND__ BROWN BROWN KGND j to LOGIC unit Ji P PTT RED IC M501EURO 01 O N O1 O N P PTT E 2 HANG o 3 Q4 to MAIN unit J7 S2 BLACK GND d 5 IC M501EURO EI n 7 uo 93 R3 15k i DN 2 234 R4 33k Le AW 222 52 54 5 024 Board layout e BOTTOM VIEW PWR CORD 534805 SECTION10 BLOCK DIAGRAM ALFY450E Q31 DTC144EU Q32 2SC4116 EXTERNAL SPEAKER OPTION pere ju D16 D17 XB15A308 FI Fl2 3stage 1stage Q3 Q2 9 126 SPEAKER MIC M5218AFP 1 4 6 TC7W14FU 5218 DSC DECODER lt our gt Ly lt P 4 SQL UNIT__ DIAL UNIT IC5 NJM2211M Q18 2SC4116 D14 D15 HSM88ASR Q11 2SC3775 Q12 DSC DEC 2SC2954 PWR AMP D11 D12 VCC L Q14 2SB1143 Q16 1 21 25 MHz Q5 Q10 25 4215 25 4215 m ERECTUS TX MUTE CTRL Q8 2SK210 Q15
51. C1608 JB 1C 104KT N C1608 JB 1E 103K T A 16 MV 1000 CA C1608 JB 1E 103K T A C1608 JB 1H 102K T A ECST1VY224R C1608 JB 1C 273K T A C1608 JB 1C 273K T A C1608 JB 1H 222K T A C1608 JB 1H 821K T A ECEV1CA100SR C2012 JB 1A 105M T A C1608 JB 1H 392K T A C1608 JB 1H 392K T A C2012 JB 1A 105M T A 2012 JB 1 105 C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 CH 1H 470J T A C1608 CH 1H 470J T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 CH 1H 470J T A C1608 JB 1E 103K T A C1608 JB 1H 471K T A C1608 JB 1E 103K T A C1608 JB 1H 471K T A C1608 JB 1A 224K T N C1608 CH 1H 470J T A C1608 JB 1C 333K T A C1608 CH 1H 221J T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 CH 1H 220J T A C1608 JB 1H 102K T A C1608 JB 1H 332K T A C1608 CH 1H 680J T A C1608 JB 1H 272K T A C1608 CH 1H 470J T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A ECEV1CA100SR C1608 JB 1C 104KT N C1608 JB 1E 103K T A ECEV1CA100SR C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 JB 1E 103K T A 2012 JB 1 105 C2012 JB 1A 105M T A C1608 JB 1H 102K T A C1608 JB 1C 104KT N 16 MV 1000 CA 16 MV 1000 CA C1608 JB 1C 104KT N C1608 JB 1A 224K T N C1608 JB 1C 273K T A C1608 CH 1H 100D T A C1608 CH 1H 330J T A
52. C1608 JB 1C 104KT N C1608 JB 1H 102 C1608 JB 1E 103K T A C2012 JB 1A 105M T A C1608 CH 1H 221J T A C1608 CH 1H 221J T A C1608 JB 1H 102K T A C1608 CH 1H 050B T A C1608 CH 1H 200J T A C1608 JB 1H 102K T A C1608 CH 1H 180J T A CTZ3S 10A W1 AF C1608 CH 1H 100D T A C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 JB 1E 103K T A C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1C 223 C1608 JB 1E 103K T A C1608 JB 1H 102K T A C1608 JB 1E 103K T A C1608 CH 1H 120J T A C1608 JB 1H 102K T A C1608 JB 102 C1608 CH 1H 120J T A C1608 JB 102 MAIN UNIT ORDER ORDER kiku kiku 4030006860 4030006860 4030006860 4030007090 4030006860 4030006860 4030007040 4030006860 4030006860 4030009510 4030006860 4030006860 4550002830 4030007050 4030007040 4030007080 4030007040 4510006240 4030007090 4030006850 4030006860 4510004440 4030011600 4030006860 4030011290 4030011170 4030006860 4030006860 4030006860 4030006860 4030011260 4030011100 4030011140 4030011070 4030011190 4030011060 4030011210 4030011190 4030011730 4030011600 4030011600 4030006900 4030006900 4030006900 4030011600 4030008850 4030008900 4030008900 4030006850 4030008920 4030011600 4030011810 4030011600 4340000020 4030011600 4030006870 4030006900 4030006850 4030006860 4030006860 4510004630 4030011600 4030011600 S CERAMIC
53. C6 0 001 0 001 to Internal Speaker C 2SK1069 R18 V 4 93MHz oe 5 1Vp p R24 10k R26 R25 2 36 000100017 289kHz i 4 9Vp p R33 R34 R35 R36 R37 100k 100k 100k 100k 100k to MAIN unit J4 OO OO N 4 C7 C8 G6 0 017 0 01 DTC144EU 11 1 11 2 MAIN UNIT MAIN UNIT cc MAIN 1 TMODE R199 100k 042 DTA144EU C51 R26 C50 C48 HJ 2 J 9001 470 T 0 001 455 2 0 22 R200 X1 L28 A R28 CDBCA450CX24 2 24 00 Si lt R8 S C39 C43 4 042 C41 C40 C30 S TZ 3 55 C54 0 01 0 001 T 0 022 TT T 0 001 d qo 7 98MHz gt T T Taw 4 9Vp0p a 0 022 T 4 033 C32 R20 C31 0 0017 0 022 T 25 lt 68p R45 D5 d 249 C564 4 2 1k ZZ 8036 nZ T 1 5k DMX 26S C34 SS R198 1k CS 35 166 0 001 FLASH BUS Q4 2SC2714 2 FL 310 P65 CKOT P64 PPGO P63 PPG1 P62 SCK2 P61 SOT2 P95 TOT2 OUT1 P94 TOT1 OUTO P81 IRQ1 P80 IRQO P57 AN7 POO ADOO P56 AN6 SCK4 P01 AD01 P55 AN5 SOT4 P02 AD02 P54 AN4 SIN4 P03 AD03 VSS P04 AD04 IC16 P53 AN3 P05 AD05 MB90F583BPFV G P52 AN2 SCK3 P06 AD06 P51 AN1 SOT3 R248 47k 2504 16 7 07 P50 AN0 SIN3 P10 AD08 C283 C285 P13 AD11 TX OV RX 0V P14 AD12 P74 DA01 290 029
54. D9 D10 MA363B DTC144EU 8V VCC RCV ZN LV N NZ VOL UNIT _ BOARD 5 s m 2 1 1 uPD78F9418AGK 9EU 1 l l 2 25 1132 IC8 RL1 D19 V Q21 DTC144EU TA7808S FTR F3AA012E DSA3A1 REVERSE Q22 2SB1132 R8 8 PVR L a DS1 SUB MPU 191 MHz 023 DTC144EU CTRL CTRL REG CIR N CoO rl SRESET GE E 7N 75 9 Q7 28 210 gj Be T8 TA7805F D6 D8 MA363B REG Q1 Q4 LCD aa c VCC 25 1069 CONT IC13B IC13A 5218 5218 TA78L05F LOGIC UNIT po sS r 1 Q2 2SC4116 AF Fur K D5V HYS HV Q3 2SB1132 AMP IDC lt DS2 DS17 825 4116 IC14 pee puc 3 SML 311YT oy LA4425A cmd BUFF 5 F 6914407 144 Q6 DSC UNIT DTC144EU Q37 DTC144TU Q35 DTA144EU IC15 MAIN UNIT 024 DA204U 036 DTC144TUX7 5 80928 IC10 K CLONE BU4066BCF ae Ot ren ASE Ea CI V pony K BUFF RESET e m le 2 027 024 25 BU4066BCF IC1B IC1A ZN 2SJ144 2SC4116 bass E M5218AFP M5218AFP DSC 600ohms DMX 26S N I RF External Z Z n a MUTE lt LPF DSC Interface 32 768 kHz ES 2 MAIN MPU gt TC7S14FU TLP121 IC11B DATAM DATAM PHOTO ATAN COUPLER 7 9872 MHz x gt lt a l Q1 DTC144TU U ar
55. ECEV1HAO10SR 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030006900 S CERAMIC C1608 JB 1E 103K T A C1608 JB 1C 104KT N ERJ3GEYJ 473 V 47 kQ ERJ3GEYJ 123 V 12 kQ ERJ3GEYJ 152 V 1 5 kQ ERJ3GEYJ 103 V 10 kQ 1608 4BH 103KC ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 203 V 20 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 183 V 18 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 203 V 20 kQ 6510021600 ERJ3GEYJ 103 V 10 kQ 6510021440 S CONNECTOR ERJ3GEYJ 102 V 1 6510021440 S CONNECTOR ERJ3GEYJ 104 V 100 kQ 6510022020 S CONNECTOR ERJ3GEYJ 473 V 47 kQ ERJ3GEYJ 223 V 22 kQ ERJ3GEYJ 103 V 10 kQ 5030001880 LCD ERJ3GEYJ 152 V 1 5 kQ 5040002310 S LED ERJ3GEYJ 103 V 10 kQ 5040002310 S LED 1608 4BH 103KC 5040002310 S LED ERJ3GEYJ 103 V 10 kQ 5040002310 S LED ERJ3GEYJ 103 V 10 kQ 5040002310 S LED ERJ3GEYJ 103 V 10 kQ 5040002310 S LED ERJ3GEYJ 103 V 10 kQ 5040002310 S LED S2B PH SM3 TB B6B ZR SM3 TF B6B ZR SM3 TF 14FLT SM1 TB TSD0393 UFFDCW SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 DQ 2 ZS n ERJ3GEYJ 103 V 10 kQ 5040002310 S LED ERJ3GEYJ 103 V 10 kQ 5040002310 S LED ERJ3GEYJ 103 V 10 kQ
56. ERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TRIMMER S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 CH 1H 080D T A C1608 CH 1H 0R5B T A C1608 CH 1H 150J T A C1608 CH 1H 020B T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 471K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 471K T A C1608 CH C1608 CH 1H 150J T A C1608 JB 1H 102K T A C1608 CH 1H 030B T A C1608 JB 1H 102K T A C1608 CH 1H 150J T A C1608 JB 1H 102K T A C1608 CH 2R5B T A C1608 CH 1H 0R5B T A C1608 CH 1H 020B T A C1608 CH 1H 2R5B T A C1608 CH 1H 150J T A C1608 JB 1H 102K T A C1608 JB 1E 103K T A C1608 JB 102 C1608 CH 2204 C1608 JB 1H 102K T A C1608 CH 1H 680J T A C1608 JB 1C 223 C1608 JB 102 C1608 JB 1H 102K T A C1608 CH 1H 060B T A C1608 JB 1H 102K T A C1608 JB 1E 103K T A C1608 JB 1H 102K T A C1608 JB 1E 103K T A C1608 JB 1C 223 C1608 JB 1H 102K T A C1608 CH 1H 390J T A C1608 CH 1H 390J T A C1608 JB 1H 102K T A C1608 JB 224K T N C1608 JB 1C 104KT N C1608 JB 102 C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 CH 1H 101J T A C1608 CH 1H 470J T A C1608 JB 1C 104KT N ECEV1CA100SR C1608 JB 1E 103K T A C1608 JB 1H 102K T A
57. T A C1608 CH 1H 470J T A C1608 JB 1H 471K T A C1608 CH 1H 470J T A C1608 CH 1H 470J T A C1608 CH 1H 470J T A C1608 CH 1H 470J T A FTR F3AA012E FTR B3GA4 5Z B10 52365 1091 14FLT SM1 TB 14FLT SM1 TB 53307 1491 B8B PH SM3 TB B2B PH SM3 TB OPC 1026 ERJ3GE JPW V ERJ3GE JPW V B 5426B S Surface mount DSC UNIT ORDER E aa 1110003750 1170000280 1130007430 1590000660 1530002850 1730002360 1730002360 1730002360 1750000130 1750000550 1730002360 7030003560 7030003600 7030003560 7030003600 7030003530 7030003520 7030003210 7030003680 7030003400 7030003540 7030003800 7030003640 7030003560 7030003670 7030003670 7030003670 7030003410 4030011600 4030006860 4030011600 4030011600 4030011600 4030011600 4510004630 4030006880 4030011600 4030011330 4030008650 4030007120 S IC S IC S IC S TRANSISTOR S TRANSISTOR S ZENER S ZENER S ZENER S DIODE S DIODE S ZENER S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC M5218AFP 600C TLP121 GB TPL TC7S14FU TE85R DTC144TU T107 2SC4116 BL TE85R MA8062 M TX MA8062 M TX MA8062 M TX DA204U T107 1SS355 TE 17 MA8062 M TX ERJ3GEYJ 103 V 1
58. aR Bep np LP BA 15 Re Jes Bal R14 R15 R6 9 RAS 5 G 4 8 7 J Jj to MAIN unit J4 to SQL and DIAL units 19 9 2 MAIN UNIT e VIEW 24 L S
59. ass filter D2 D4 L2 L4 C13 C14 C16 C18 C20 C24 to suppress unwanted signals and improve the selectivity The signals are then applied to the 1st mixer cir cuit D1 D4 employ varactor diodes that are controlled by the PLL lock voltage to track the band pass filters 4 1 3 1ST MIXER AND 1ST IF CIRCUITS The 1st mixer circuit converts the received signal to a fixed frequency of the 1st IF signal with a 1st LO VCO output fre quency By changing the 1st LO frequency only the desired frequency will pass through a pair of crystal filters at the next stage of the mixer e 2nd IF and demodulator circuits Squelch level adjustment pot 7 8 0 gt z AF signal DEMOD detector The signals from the RF circuit are mixed with the VCO sig nals at the 1st mixer circuit Q3 to produce a 21 7 MHz 1st IF signal The 1st IF signal is applied to a pair of crystal filters 2 to suppress out of band signals and is then amplified at the IF amplifier Q4 The amplified signal is applied to the 2nd mixer circuit IC1 4 1 4 2ND IF AND DEMODULATOR CIRCUITS The 2nd mixer circuit converts the 1st IF signal to a 2nd IF signal A double superheterodyne system which converts receive signals twice improves the image rejection ratio and obtains stable receiver gain The FM IF IC IC1 contains the 2nd local oscillator 2nd mixer limiter amplifier quadrature detector and noise detector circu
60. circuit amplifies the driver signal to an output power level IC3 is a power module which has amplification output capa bilities of about 35 W with 300 mW input The output from IC3 pin 4 is passed through the antenna switching circuit D16 and is then applied to the antenna connector via the low pass filter 4 2 5 APC CIRCUIT The APC circuit stabilizes transmit output power The RF output signal from the power amplifier IC3 is detected at the power detector circuit D14 D15 L21 and is then applied to one of the differential amplifier inputs Q16 pin 5 via the High Low control circuit R84 Q17 The applied voltage controls the differential amplifier output Q16 pin 2 and the bias voltage control Q14 Thus the APC circuit maintains a constant output power 2221 2022 Gea ENSE to antenna RF detector i circuit 014 TXDET signal to the CPU c O HI LO 4 3 PLL CIRCUITS 4 3 1 GENERAL The PLL circuit provides stable oscillation of the transmit fre quency and receive 1st LO frequency The PLL circuit com pares the phase of the divided VCO frequency to the refer ence frequency The PLL output frequency is controlled by a crystal oscillator and the divided ratio of the programmable divider IC2 is a dual PLL IC which controls both VCO circuits for Tx and Rx and contains a prescaler programmable counter programmable divider phase detector charge pomp and etc The PLL circuit using a one c
61. ence frequency and then outputs the out of phase signal pulse type signal from pin 13 The pulse type signal is converted into DC voltage lock voltage at the loop filter R255 R257 C295 C296 is then applied to varactor diodes D9 D10 of the RX VCO to stabilize the oscillated frequency The lock voltage is also used for the receiver circuit for the bandpass filter center fre quency The lock voltage from the loop filter is amplified at the buffer amplifier Q6 and then applied to the RF circuit 4 3 4 VCO CIRCUIT The VCO outputs from TX VCO Q7 and RX VCO 08 are amplified at the buffer amplifiers Q9 and Q10 and are then sent to the switch 011 012 The receive LO signal is applied to the 1st mixer circuit Q3 through a low pass fil ter and the transmit signal is applied to the pre drive ampli fier Q11 A portion of the VCO output is reapplied to the PLL IC IC2 pin 2 or pin 13 via the buffer amplifier Q5 D11 to 1st mixer circuit D12 to transmitter circuit IC2 PLL IC 2 Prescaler 19 4 4 DSC CIRCUITS DSC UNIT 4 4 1 DATA INTERFACE CIRCUIT The control signals from DS 100 CLASS D DSC TERMINAL are shaped waveform at the SCHMITT circuit IC3 via the photo coupler 1C2 and are then applied to the MAIN unit via J2 pin 11 4 4 2 DSC MODULATION CIRCUT The modulation signals from DS 100 are converted into a 600 Q impedance at T1 and passed through the high pass fil
62. hip PLL IC IC2 directly gen erates the transmit frequency and receive 1st IF frequency with VCOs The PLL sets the divided ratio based on serial data from the CPU and compares the phases of VCO sig nals with the reference oscillator frequency The PLL IC detects the out of step phase and output from pins 8 and 13 for Tx and Rx respectively The reference frequency 21 25 MHz is oscillated at X2 4 3 2 TX LOOP The generated signal at the TX VCO Q7 D6 D8 enters the PLL IC IC2 pin 2 and is divided at the programmable divider section and is then applied to the phase detector section The phase detector compares the input signal with a refer ence frequency and then outputs the out of phase signal pulse type signal from pin 8 PLL circuit 2 21 25 MHz 16 Programmable Z divider 21 25 MHz signal to the FM IF IC Buffer Programmable counter Li 2 2 mable 13 Phase Program Prescaler detector counter The pulse type signal is converted into DC voltage lock voltage at the loop filter R252 R254 292 294 is then applied to varactor diodes D6 D7 of the TX VCO to stabilize the oscillated frequency 4 3 3 RX LOOP The generated signal at the RX VCO Q8 D9 D10 enters the PLL IC 2 pin 19 and is divided at the programmable divider section and is then applied to the phase detector section The phase detector compares the input signal with a refer
63. its etc The 1st IF signal from Q4 is applied to the 2nd mixer section of IC1 pin 16 and is mixed with a 21 25 MHz 2nd LO sig nal generated at the PLL circuit using the reference fre 21 25 MHz to produce a 450 kHz 2nd IF signal The 2nd IF signal from pin 3 is passed through the ceramic filter FI3 where unwanted signals are sup pressed and is then applied to the 2nd IF limiter amplifier in IC1 pin 5 The signal is applied to the FM detector sec tion in IC1 for demodulation into AF signals The FM detector circuit employs a quadrature detection method linear phase detection which uses a ceramic dis criminator X1 for phase delay to obtain a non adjusting cir cuit The detected signal from IC1 pin 9 is applied to the AF circuit 2nd IF filter 450 kHz 21 25 MHz 17 16 PLL IC 5 3 2 IC2 CJ ie X2 21 25 MHz 2 IC1 TA31136FN 14 16 1st IF 21 7 MHz from Q4 SQLI signal to the DC amplifier IC20 pin 1 O R8V 4 1 5 AF AMPLIFIER CIRCUIT The AF amplifier circuit amplifies the detected signals to drive a speaker The AF circuit includes an AF mute circuit for the squelch AF signals from IC1 pin 9 are passed through the analog switch 1C12 pins 10 11 and are applied to the de empha sis circuit R118 C182 The de emphasis circuit is an inte grated circuit with frequency characteristic of 6 dB octave The integrated signals are applied to the acti
64. mspain com Icom UK Ltd Unit 9 Sea St Herne Bay Kent CT6 8LD U K Phone 01227 741741 Fax 01227 741742 URL http www icomuk co uk Icom France S a Zac de la Plaine Rue Brindejonc des Moulinais BP 5804 31505 Toulouse Cedex France Phone 561 36 0303 Fax 561 36 03 00 URL httpz www icom france com Count on us Icom Inc S 13702HZ CD 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan 2000 Icom Inc
65. nlock signal UNLK Low While PLL is locked Input port for the communication data from DS 100 via the DSC connector 57 DATAS DSC unit J1 photo coupler DSC unit 2 and buffer amplifier DSC unit IC3 Outputs the communication data to 58 DATAM DS 100 via the buffer amplifier DSC unit Q1 Q2 D4 DR Input port for the PTT switch Input port for the microphone hanger HANG detection signal Low Microphone on hook Input port for the optional unit connec Ec CPUs tion detection Outputs the R8 regulator Q22 Q23 control signal Low While receiving Outputs the AF mute switch Q26 RMUTM control signal for main body Low While squelched Outputs the AF mute switch Q27 control signal for the optional remote RMUTS microphone HM 127 Low While squelched 69 BEEPM Outputs beep audio for main body Outputs beep audio for the optional remote microphone 127 RESET port for the reset signal Outputs the reset signal for sub CPU SRESET LOGIC unit SECTION5 ADJUSTMENT PROCEDURES 5 1 PREPARATION REQUIRED TEST EQUIPMENT EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE Output voltage 13 8 V DC Frequency range 300 3000 Hz Current capacity 10 A or more Measuring range 1 500 mV Frequency range 0 1 300 MHz Output level 0 1 HV 32 mV 127 to 17 dBm Measuring range 1 50 W HF power meter Frequency range 100 300
66. nput ports for the CHANNEL Outputs communication data for main CPU MAIN unit IC16 Input port for the communication data from main CPU MIAN unit IC16 CONTSEG3 58 60 cONTSEGI DTRS Output port for the LCD contrast 6 Input port for the 16 key 6 Input port for the DIMMER key 6 e DSC Input port for the DUAL key BE 00 4 X O 6 Input port for the HI LO key 75 77 DIM3 Output LCD backlight control signal for DIM1 the dimmer circuit Q2 Q8 CONDOT3 78 80 coNDOTI Output port for the LCD contrast 4 7 2 MAIN CPU MAIN unit IC17 Port D inti Hama escription Outputs control signal to the analog switch 12 for passing through the optional VOICE SCRAMBLER unit UT98 or UT 112 Outputs ON OFF control signal for the SCON optional VOICE SCRAMBLER unit UT 98 or UT 112 Outputs strobe signals for the optional OPSTB VOICE SCRAMBLER unit UT 98 or UT 112 PSTB a strobe signals to PLL IC IC2 Outputs clock signal to PLL IC IC2 pin 3 DATA NS clock signal to PLL IC IC2 Outputs main microphone 126 select signal to the analog switch while intercom operation Outputs optional remote microphone PTTS HM 127 select signal to the analog switch IC10 while intercom operation Outputs select signal for the speaker of main microphone HM 126 to the NS analog switch IC10 while intercom operation Output
67. s select signal for the speaker of optional remote microphone HM SMUTE 127 to the analog switch 1C10 while intercom operation Outputs ON OFF control signal for the internal speaker to the AF mute circuit Q32 D23 RL2 Low While internal speaker is ON Output port for RF output power High HI LO or Low select signal Low While low power is selected Outputs the T8 regulator Q20 Q21 SEND control signal Low While transmitting Outputs transmit mute signal PME High While transmitting SRXD Input port for the communication data from sub CPU LOGIC unit 1C1 STXD Outputs communication data for sub CPU LOGIC unit 1C1 Input port for the cloning data from the CLRX buffer 024 CLTX Output port for the cloning data to the buffer MAIN unit Q37 Outputs clock signal for EEPROM IC17 N N 1 Port D ti ama escription serial data signal for EEP 17 Outputs select signal to the analog MICDSC switch 1C12 for the microphone audio signal or DSC signal D A output port for the ATIS DSC 30 DSC encode signal to the buffer amplifier Q33 Input port from the FM IF IC IC1 for the squelch operation Input port for the connected power 42 supply voltage detection low battery indicator Input port for the TX indicator from the power detector circuit 014 015 Input 55 for the ATIS DSC decode Input port for the PLL u
68. ter IC1a with 6 dB octave characteristics The signals from the high pass filter 1 1 are passed through the splatter filter IC1b to suppress unwanted 3 kHz or higher signals The filtered signals are then applied to the TX modulation circuit via the buffer amplifier Q30 and ana log switch 1C12 pins 1 2 on the MAIN unit as a DSC mod ulation signal 4 5 POWER SUPPLY CIRCUITS 4 5 1 VOLTAGE LINE MAIN UNIT LINE DESCRIPTION HV The voltage from the connected DC power sup ply HVS Same voltage as the HV line which is passed through the PWR switch LOGIC unit S1 VCC Same voltage as the HVS line which is passed through the power controller RL1 Common 8 V converted from the VCC line at the 8V regulator circuit IC8 A5V Common 5 V converted from the 8V line at the analog 5V regulator circuit IC9 D5V Common 5 V converted from the 8V line at the digital 5V regulator circuit 1C7 T8 Transmit 8 V controlled by the T8 control circuit Q20 Q21 using the SEND signal from CPU Receive 8 V controlled by the R8 control circuit Q22 Q23 using the RCV signal from CPU The controlled voltage is applied to the receiver cir cuits 4 6 LOGIC CIRCUITS 4 6 1 MAIN UNIT MPU IC16 is a 16 bit multifunction micro computer and contains FLASH memory serial timer A D converter D A con verter programmable I O ROM and RAM e SYSTEM CLOCK CIRCUIT X4 are crystal oscillators and oscillate
69. tput power Low Transmitting REFERENCE 1 Operating channel ch16 Rear Loosely couple the 156 8000 MHz MAIN C70 FREQUENCY Output power Low Panel frequency counter Connect an RF power meter or a to the antenna con 50 Q dummy load to the antenna nector connector Transmitting 5 3 TRANSMITTER ADJUSTMENTS MEASUREMENT RM ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT ADJUST OUTPUT e Operating channel ch16 Rear an RF 25 W MAIN R84 Output power High Panel power meter to the Transmitting antenna connector Operating channel ch16 Rear an FM 4 3 kHz MAIN R172 Output power Low Panel deviation meter to Connect an audio generator to J7 the antenna con pin 5 with an AC millivoltmeter nector through an and set as attenuator Frequency 1 kHz Level 30 mV e Set an FM deviation meter as HPF OFF LPF 20 kHz De emphasis OFF Detector 2 Transmitting This output level of a standard signal generator SSG is indicated as SSG s open circuit AC millivoltmeter 2 200 mV e e QDE Edo L10 _ Lock voltage adjustment for TX 2 2 Lock voltage check point for TX 113 LE F UE gt Lock voltage amp US Reference frequency adjustment adjustment for RX R84 T Frequency deviation adjustment adjustment CP1 Lock voltage check point for
70. transceiver Otherwise there is danger of electric shock and or equip ment damage MAY 4 Opening the transceiver case Follow the case opening procedure shown here when you want to install an optional unit etc D Remove the 6 screws as shown below and open the trans ceiver 2 Remove the 4 screws from the shielding plate then lift up the shielding plate 3 Plug an optional unit to J6 on the MAIN unit as shown below Optional unit Par Dy 4 Return the shielding plate and assemble the units to their original positions SECTION 4 CIRCUIT DESCRIPTION 4 1 RECEIVER CIRCUITS 4 1 1 ANTENNA SWITCHING CIRCUIT The antenna switching circuit functions as a low pass filter while receiving and as resonator circuit while transmitting The circuit does not allow transmit signals to enter receiver circuits Received signals enter the MAIN unit from the antenna con nector and pass through the low pass filter L23 L25 C134 136 139 The signals are then applied to the RF circuit via the antenna switching circuit D17 L26 L27 141 143 4 1 2 RF CIRCUIT The RF circuit amplifies signals within the range of frequen cy coverage and filters out of band signals The signals from the antenna switching circuit pass through a tunable bandpass filter D1 L1 C2 C4 where the object signals are led to the RF amplifier circuit Q2 The amplified signals at Q2 are applied to the 3 stage tun able bandp
71. ve filters Q24 Q25 Q24 functions as a high pass filter to suppress unwanted lower noise signals and Q25 functions as a low pass filter to suppress higher noise signals The filtered signals are passed through the VOLUME con trol and are then applied to the AF power amplifier IC14 pin 1 The output signal from IC14 pin 4 drives the inter nal external speaker 4 1 6 SQUELCH CIRCUIT A squelch circuit cuts out AF signals when no RF signals are received By detecting noise components in the AF signals the squelch circuit switches the AF mute switch A portion of the AF signals from the FM IF IC IC1 pin 9 pass through the squelch adjustment pot R33 and are then applied to the active filter section IC1 pin 8 The active filter section amplifies and filters noise components The filtered signals are applied to the noise detector section and output from pin 14 as the signal The sig nal is amplified at the DC amplifier 20 and applied to the CPU 16 39 as the SQL signal The CPU analyzes the noise condition and outputs the RMUTM RMUTS signals to toggle the AF mute switches 026 027 4 2 TRANSMITTER CIRCUITS 4 2 1 MICROPHONE AMPLIFIER CIRCUIT The microphone amplifier circuit amplifies audio signals with 6 dB octave pre emphasis from the microphone to a level needed at the modulation circuit The AF signals from the microphone are amplified at the microphone

SERVICE MANUAL - Scannernet.nl

Contents

Download Pdf Manuals

Related Search

Related Contents