IC-M72 SERVICE MANUAL - R
Contents
1. MIC BOARD we 217MHz 220mVP P E 210 RX 5 09 2400 170 24 EXTSP 7 48V AW t R173 Tero R171 R170 EP451 1 5k 1C170 0 001 1 2k 1 390 S8 TA31136FNG C160 2170 llOSCIN MIXIN 0171 0 0056 7 20221 R243 R240 R244 R241 ELFY450E OSCOUT GND 82p KTA2015 270 270 680 680 EP454 l R222 4 EXMICO 10k Laco Dus 10708 05250 05240 08252 08242 EP458 F F F SML GNDO I e 11 311YTT86 311YTT86 Q225 1223 C702 R223 KTA1664 C700 C222 47k DS251 05241 05253 08243 4p 1 0 01 SML A12WT SML A12WT SML SML 311YTT86 Tio ME S IJA ic ___ KT pou 5 1 f 10 0017 0 001 ee ul 1 220 5v ub NJM28702. P C Board MAIN UNIT TOP VIEW _____ BOARD VIEW V40 vo v5 V10 V15 HO EXDET V35 NJ N AFOUT H5 8 SPG H10 EXTMIC V25 H15 6 V20 V15 2 VR BOARD VIEW V10 V5 5 vo FT J1 CHASSIS unit HO H5 H10 H15 H20 H25 H30 H35 H40 45 50 55 60 H65 H70 H75 H80 H85 to antenna J251 H35 2 BC 166 TOP VIEW RF UNIT TOP VIEW B 8 5 H65 SP1 CHASSIS unit E 5 EA H30 11 4 1111 0 011 A 1 T ag B 58 dap H55 5 N 8 8 CIS 8 B3 H25 2 i 8 w 141 oi Scy 11 5 U 661 5 B 9 H20 lt p Y RA B 790 H35 E E SEH puc KU iie J101 2 E wv AT 30 Fen gt 2 S pus 25 E E lt 25552810 88898 1017 Els 8 BB alk E amp prem to MAIN UNIT J100 i E ET EB sri PENES EN ar 8 7 coo my g B 0 5 B ED M TIT Tfl
3. a 0423 011 SEA 01 AUS 01 only ic 0 01 3 150 R226 C225 C227 28 1230 229 cazo a 22k 022 10 001 10001 T10 10001 VOL BOARD 27 1 a E gt 1C412 R512 2 gt 4 gt gen n TC3WO3FU w F Q240 Q223 5 E UNR9213J UNR9213J 5 Q541 Be UNR9213J UNR9213J 71209 E 1 1 MHZ LED ON 4 977 1 4 5 1 i AquaQuake water draining OV SDA 3i 2 5 EXTSP oV gt 0417 19 2 2 2 8 INTSP 4 96V E i 1 roo 181812 gt 2 5 412 i ANM 1 XIN RTI I INTSP 227 1 DUE i X em i EXTSP 3 48V 1 5 uo m C403 18 1 1 4 10418 1 a 10 C402 R402 w Mm 84155 10411 100k 2001 REY awah 1 10 3 am 0416 LM2904PWR C405 i I C404 R401 0 1 i 1C200 C 1890 8279 1C200 D 2902 NJM2902V L 100k 0 ens 2785 C266 5 Cy mn peu 12280 8 5 56k 47 TA7368FG C282 C283 C284 M 10 01 T0001 55 y
4. 51 2 68 2 55 5 37 8 32 9 66 7 29 7 66 9 44 7 12 2 52 7 18 52 15 9 45 4 24 6 M Mounted side T Mounted the Top side B Mounted on the Bottom side S Surface mount SECTION 7 CHASSIS PARTS ORDER NO DESCRIPTION 6910017840 6510025340 8900010960 8210022470 8310065540 8930068440 8930011900 8930068980 8930069940 8010020320 8310065560 8930068500 8930069910 8810010450 8930068470 8210022480 8810010630 8310065550 8930068970 8930069350 8930051390 8610012900 8930057690 8830002770 8930053590 8830001160 8850002770 8830002780 8930050660 8810009180 8810010480 8810008970 8810009161 8610009240 8930055920 8930069620 8810006570 8310063400 8930065120 2510001330 MAIN UNIT ORDER NO 2905 ANT connector 2905 contact spring Al OPC 1129 2905 front panel Including MP3 MP4 SP1 2905 window plate 2905 keyboard SP Net A FX 573 2905 vent sheet 2905 A MAIN seal 2905 rear panel 2905 T plate 2905 T rubber 2905 T sheet Screw M2 x 3 SUS SSBC 2905 PTT button 2905 PTT panel Screw M2 x 3 SUS SSBC 2905 lock plate 2905 window sheet 2905 MIC seal 2304 shaft Knob N 344 O Ring AQ VR nut W O Ring AG VR nut K Plain washer AM VR nut X 2320 connector cap Screw 2 x 5 NI ZU Screw B0 2 x 6 SUS SSBC Screw BO 2 x 3 5 NI ZU BT Screw 2 x 20
5. 40 V35 25 15 V10 V5 vo MIC BOARD BOTTOM VIEW VR BOARD BOTTOM VIEW H35 VOLOUT The combination of this page and the previous page shows the unit layout in the same configuration as the actual P C Board Microphone MC250 MAIN UNIT BOTTOM VIEW V35 V5 1 VO 29 GND TEMPV GND PLST R5V UNLK V5VS 5 LOINV SQL DAST SCK RSSIV PTT TXMS 2NDLO SQLO PWON sau sv TDETV GND Tsvs GND VCC GND 2 GND 1 to RF UNIT J101 SECTION 10 BLOCK DIAGRAM ANTENNA Q3 021 25 4226 D50 MA2S077 Q50 053 Q54 28K880 Y F Q22 28C4226 Q23 28C4215 D51 MA2S077 25 5110 RDO1MUS1 RDO7MVS1 D22 D23 HVC350B LOOP TX RX BUFF Ki 69 SW E DRIVE ICt Q20 UNR9213J 05 uPD31406S 020 021 25077 NJM2125F RB706F X1 CR 766 PLL RSV PWR TDETV 21 25MHz M gt CTRL 1C430C IC430D CD4066BPWR D52 1SV307 Q480 vec Q351 RSQO35P03TR DE UNR9113J ENPHA sw 4 0470 gt Sw Sw NR9213J J SPCTRL mE PLL DATA BUS Q230 RSQ035P03TR
6. UNR9210J TX UNR9213J TX 3SK294 XP1213 KTA1664Y RTF P XP4313 TX XP6501 TX 8 2 DIODES SYMBOL INSIDE VIEW 1SV307 1SV308 MA111 TX 26077 MA2S111 MA8110L HVC350BTRF E HVC376BTRF E KDS122 RB706F 40T106 SB07 03C TB E The combination of this page and the next page shows the unit layout in the same configuration as the actual SECTION 9 BOARD LAYOUTS
7. UJ UJ UJ UJ UJ UJ UJ lt lt HH UU UJ UU UJ UJ UJ UO UJ U UD UU O2 U2 UC UU H U2 UU UJ 4 22 17 2 21 7 16 32 5 13 2 32 5 13 2 32 7 10 5 29 9 17 6 28 8 19 4 27 5 18 1 22 3 18 6 22 3 18 6 20 5 16 6 20 5 16 6 20 8 18 5 22 8 19 8 23 7 16 7 4 9 9 8 22 5 13 6 20 5 14 21 7 17 3 16 2 15 3 16 2 20 3 16 5 21 5 15 3 20 3 12 19 3 9 2 21 6 7 2 15 5 11 7 15 6 8 9 15 4 8 2 20 2 9 3 14 2 10 2 14 2 2 7 12 2 2 3 28 4 5 6 29 6 9 25 2 7 5 26 4 23 4 32 6 20 28 8 25 4 29 6 20 1 24 3 19 2 23 5 27 17 6 24 9 17 5 29 4 24 8 22 6 10 5 25 5 21 8 26 3 19 3 25 5 20 2 25 1 24 5 25 9 31 3 3 9 6 4 3 5 7 7 6 30 6 3 7 33 1 3 3 38 1 3 3 39 4 9 39 7 19 1 30 4 2 29 4 3 9 34 4 2 35 2 13 4 34 1 15 5 36 2 15 5 36 2 3 4 32 4 25 3 35 4 21 4 37 7 25 2 33 5 13 7 36 6 12 8 36 6 10 3 36 8 22 9 36 6 22 9 35 21 33 3 19 3 36 17 2 36 18 1 35 5 16 36 5 16 8 25 6 17 7 30 1 19 2 28 5 20 2 28 5 18 5 24 6 14 7 30 3 4030017530 4030017460 4030017630 4030017640 4030017460 4030017380 4030017400 4030017460 4030017460 4030017400 4030017460 4030017460 4030017640 4030017410 4030016790 4030016930 4030016930 4030017730 4030017460 4510008490 4030017460 4030017730 4030017460 4030017430 4030017460 4030017730 4030017420 4030007100 4030009650 4030006860 4030017460 4030017460 4030017460 4030017400 4030017400 4030017400 4030018120 4030017640 40300
8. Hn SOFTWARE ADJUSTMENT iret ne ee PARTS LIST MECHANICAL PARTS AND DISASSEMBLY SEMICONDUCTOR INFORMATION BOARD LAYOUTS BLOCK DIAGRAM VOLTAGE DIAGRAM BC 166 INFORMATION GENERAL 2 lt oc E RECEIVER SECTION 1 Frequency coverage SPECIFICATIONS 156 025 157 425 MHz Type of emission 156 050 163 275 MHz 16KOG3E Antenna impedance 50 nominal Operating temperature range 20 C to 60 C 4 F to 140 F Power supply requirement Specified Icom s battery pack only operating volage 7 5 V DC negative ground Current drain approx RX Max audio 0 4 A internal speaker 0 2 A external speaker at 6 W 1 7 A 1 5A 1 3A 0 7 Dimensions projections not included 52 5 W x 125 H x 30 D mm 2 1 16 W x 4 29 32 H 1 3 16 D in Weight approx Output power Middle 280 g 9 9 oz Including BP 245 6 W Except AUS AUS 1 5 W AUS AUS 1 3W Low 1W Modulation Variable reactance frequency modulation Max frequency deviation xb kHz Frequency error 10 ppm Spurious emissions 68 dBc typ Adjacent channel power 70 dB e Audio harmonic distortion 10 at 60 deviation Residual modulation 40 dB Audio frequency response 1 dB to 3 dB of 6 dB oct from 300 H
9. Q90 35 294 R105 220k Q152 2SK1829 093 HVC350BTRF D132 MA2S111 D92 HVC350BTRF R97 LC103 470 47 3 1 n C99 R94 192 C97 56 5 220k 4 VOUT7 VIN7 GND RESET VDAREF VING VOUTS VINS 11 2 Explanatory notes VOLTAGE LINE TX LINE RX LINE COMMON LINE R85 L99 220k 1H vsv 0220 KTA2015 A R224 10k 5V Q222 KTA2015 Q R225 4 7k ANY C223 RF UNIT PWON PWOFF 7 31V ov Power Input SECTION 12 166 INFORMATION 166 VOLTAGE DIAGRAM BC 166 CHARGER PARTS LIST 66 VOLTAG G MECHANICAL PARTS CHASSIS PARTS ORDER NO DESCRIPTION 8010020360 2907 case 8110008760 2907 cover 8930068690 2907 lock plate FG 8810010500 Screw 3 x 10 NI ZU BT 8810010500 Screw x 10 NI ZU BT 8930039620 LEG cushion A 8930068700 2907 lock spring 8930054050 2373 shaft E 10 12V F 10 12V Q1 2SD1801S TL E D3 5807 03 4 Di 8807 03018 SAI 2SB1201S TL E C5 EEE1CA100SR C2 EEE1EA470WP MAIN UNIT ORDER NO DESCRIPTION 8930069890 2907 Terminal 89
10. 54 1 21 5 81 9 29 2 50 3 24 6 50 3 26 2 54 27 1 50 7 36 9 53 8 36 9 54 38 1 52 2 38 9 28 29 1 29 2 29 1 26 5 27 5 25 2 28 9 22 9 24 6 22 4 26 9 24 7 27 9 21 5 28 3 21 1 27 19 8 27 7 26 8 17 8 28 4 17 6 25 13 4 31 7 13 1 23 8 16 30 7 6 2 32 7 5 9 32 7 11 4 33 1 10 1 7030007300 7030005930 7030008090 7030007280 7030008280 7030005010 7030007280 7030008280 7030005010 7030005090 7030005090 7030005700 7030005000 7030005060 7030007290 7030008300 7030008290 7030005040 7030005040 7030005720 7030005671 7030009591 7030006601 7030005090 7030005090 7030005090 7030005720 7030005700 7030005240 7030006610 7030005050 7030008300 7030005090 7030005120 7030005030 7030007260 7030005530 7030005050 7030005110 7030005090 7030005050 7030005290 7030005050 7030005050 7030005050 7030005170 7030005120 7030007340 7030005120 7030005090 7030005090 7030005080 7030005240 7030005050 7030010040 7030005090 7030005290 7030005090 7030005080 7030005080 7030005080 7030005090 7030005090 7030005090 7030005090 7030005050 7030005530 7030005170 7030005050 7030005720 7030005090 7030008290 7030007300 S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES
11. ICOM SERVICE MANUAL VHF MARINE TRANSCEIVER IC M72 5 14221 2 1 Jan 2006 Icom Inc INTRODUCTION This service manual describes the latest service information for the IC M72 VHF MARINE TRANSCEIVER at the time of publication Symbol Scramble AC adapter TX Power USA BC 147A USA 1 South SEA east Asia SEA 1 AUS None AUS 1 Yes did BC 147E To upgrade quality any electrical or mechanical parts and internal circuits are subject to change without notice or obligation DANGER NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 10 V This will ruin the transceiver 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 trans ceiver s front end 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 SAMPLE ORDER gt 1110001811 S IC TA7368FG IC M72 Main unit 5 pieces 8930068440 2905 Keyboard IC M72 Chassis 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES Make sure a problem is internal before disassembling the transceiver DO NOT open the transceiver until the transceiver
12. 92 compose a two staged LPF which guides received signals to the RX circuits The received signals are applied to the RF circuits 4 1 2 RF CIRCUITS RF UNIT The circuit amplifies received signals within the frequency coverage The received signals are filtered at the bandpass filter BPF and amplified at the RF amplifier The received signals from the antenna switch are passed through the two staged tunable BPF D92 D93 L92 L93 C95 97 101 to filter out unwanted signals The filtered signals are applied to the RF amplifier Q90 The amplified signals are then applied to the 1st mixer Q150 via another two staged tunable BPF D130 D131 L96 L97 C104 C109 C110 112 116 2ND IF AND DEMODULATOR CIRCUITS 4 1 3 1st IF CIRCUITS RF UNIT The received signals are converted into the 1st IF signal and amplified at the 1st IF circuits The amplified received signals from the RF circuits are applied to the 1st mixer Q150 and converted into the 21 7 MHz 1st IF signal by being mixed with the 1st local oscillator LO signals from the VCO 021 Q22 021 023 The converted 1st IF signal is passed through two 1st IF filters 1150 1151 to filter out unwanted signals and applied to the 1st IF amplifier Q151 The amplified 1st IF signal is then applied to the FM IF IC MAIN UNIT 170 pin 16 1st IF CIRCUITS lt E LO signals from the VCO 1stIFamp i
13. MIC sw gt Q223 UNR9213J 4 D 1C340 S 24CS64A0I T8TI G 0250 1 431 IC431B 411 UNRO111J LM2904PWR LM2904PWR LM2904PWR iT VOX LM2904PWR VOXT MIC SW AME gt MUTE K 4 REG 4 EERROM 1 IC260D USA 01 SEA 01 AUS 01 only CD4066BPWR 1 200 CD4066BPWR CD4066BPWR NJM2902V 1 260 AF AF CD4066BPWR MUTE MUTE gt Q450 XP1213 CONTROL LINE Q451 UNR9213J SCRAMBLE CODE DATA BUS 52200 COMMON LINE RX LINE TX LINE MIC 1 2 3 10 1 SECTION 11 VOLTAGE DIAGRAM
14. 4 4 4 0000 RF UNIT ORDER NO DESCRIPTION HN RF UNIT ORDER LOCATION NO DESCRIPTION HN LOCATION 7030005220 7030005050 7030005110 7030005220 7030005590 7030005110 7030005050 7030005110 7030005090 7030008290 7030005100 7030005700 7030005000 7030005050 7030005170 7030010040 7030009290 7030005240 7030005050 7030009270 7030005110 7030005050 7030005110 7030010040 7030005530 7030008400 7030005090 7030005240 7030007290 7030007350 7030005230 7030004980 7030005030 7030005090 7030005030 7030005000 7030009280 7030005000 7030005090 7030005050 7030005040 7030005050 7030005040 7030005070 7030003580 7030005050 7030009140 7030008010 7030007290 7030005050 7030005700 7030005050 4030016930 4030016790 4030017440 4030017390 4030017640 4030017460 4030016790 4030017350 4030017350 4030016950 4550000270 4550002980 4030017460 4030017460 4030017460 4030017460 4030017460 4030017610 4030017610 4030016930 4030017460 4030007080 4030007080 4030017460 4030017460 4030017460 4030017460 4030017550 4030017440 4030017550 4030017460 4030017460 ERJ2GEJ 223 X 22 K ERJ2GEJ 103 X 10 K ERJ2GEJ 224 X 220 xcept AUS ERJ2GEJ 223 X 22 K AUS ERJ2GEJ 680 X 68 ERJ2GEJ 224 X 220 ERJ2GEJ 103 X 10 K ERJ2GEJ 224 X 220 K ERJ2GEJ 104 X 100 K Except AUS ERJ2GEJ 183 X 18 K AUS ERJ2GEJ 154 X 150 AUS ERJ2GEJ 274 X 270 k xcept AUS ERJ2GEJ 47
15. 95578 003 1213 18k 01 68k Ars PLSTB 47 77 R39 M SDATAO 8350 SDATA 8400 82k 82k B2k Howe V5VS R431 R432 Ne i uen 1 mem 100k 100k Q400 C377 LC378 5 48 0001 UNR9213J P437 Tees R212 R213 I MICT SPCTRL MOD 1 340 INTSP GE EXTSP 4 96V Wy 5 24 564 01 L R440 se pam NJM2902V IC200 A Explanatory notes 0 018 0 018 1 NJM2902V 41 sh A gt t S 80942CNMC G9C G VOLTAGE LINE 1351 od TXLINE C436 C439 470p 330k 15k R435 01 mus 100 IC431 1 8k 1 me RXLINE LM2904PWR m COMMON LINE R441 m 100k 5 MAIN UNIT 11 1 to MAIN UNIT J100 3 59V gt Ri G NTCG16 R2 I 100k R3 R4 10k 47k 220p TX 3 07V RX 3 05V ie ie m T TD 18p oo olaan R20 100 C20 0 001 C21 9p C22 9p EN EI C25 C27 4 I JT 001 100 UNR9213J D21 25077 020 25077 28 R25 0 R24 2030 100 R194 100k 4 C192 10 7 022 023 HVC350BTRF C33 7220p R28 R27 12k we 25 4226 1 5 R31 2 470
16. CFWLBA50KFFA BO ELFY450E AUS Except AUS CDBCB450KCAY24 RO AT 38 4 000 MHz scramble only CR 739 9 8304 MHz ERJ2GEJ 391 X ERJ2GEJ 122 X ERJ2GEJ 471 X ERJ2GEJ 152 X 390 ERJ2GEJ 394 X 390 2k 70 5k 390 gt ERJ2GEJ 273 X 27 ERJ2GEJ 102 X ERJ2GEJ 103 X ERJ2GEJ 104 X ERJ3GEYJ 125 V ERJ2GEJ 472 X ERJ2GEJ 822 X ERJ2GEJ 183 X ERJ2GEJ 273 X ERJ2GEJ 152 X ERJ2GEJ 683 X ERJ2GEJ 153 X ERJ2GEJ 103 X ERJ2GEJ 472 X Ok 00 k 1 2 M k k k k k k ERJ2GEJ 222 X k ERJ2GEJ 103 X ERJ2GEJ 223 X ERJ2GEJ 273 X ERJ2GEJ 105 X 1 M ERJ2GEJ 102 X 1 k ERJ2GEJ 222 X 2 2 k 7 8 2 8 27 5 68 5 0 7 2 2 0 22 27 k k k 4 1 1 1 1 4 1 1 1 1 4 1 1 1 scramble USA 1 SEA 1 AUS 1 UJ UJ U UJ UJ 00 UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ 00 03 UJ 02 0 00 0 00 0 52 32 6 25 1 32 2 22 8 12 3 32 7 30 8 15 9 12 4 15 9 12 4 67 3 36 2 72 4 39 2 72 4 39 2 74 2 14 6 74 2 14 6 19 7 20 2 56 9 5 34 4 18 7 63 5 8 2 16 7 36 5 12 3 1 28 4 19 4 25 7 11 6 25 746 28 6 13 6 29 4 9 2 33 8 2 84 7 35 9 10 2 37 1 78 9 37 8 75 5 39 9 13 3 33 2 34 2 5 4 10 1 35 25 6 23 9 27 9 23 9 14 2 25 4 80 1 4 6 35 3 7 7 66 8 1 3 81 3 37 8 9 1 6 1 59 32 9 59 32 9
17. MIC1 SPCTRL While transmitting Outputs microphone sensitivity control signal to the MIC gain controller Q450 Q451 The microphone sensitivity is determinded by the combination of MIC1 MIC3 While recseiving Outputs AF line switching signal to the analog switch IC430 pins 6 12 MIC2 AFVCTRL BPCTRL While transmitting Outputs microphone sensitivity control signal to the MIC gain controller Q450 Q451 While recseiving Outputs AF power amplifier IC280 or IC401 bias change signal to the AF amplifier power supply circuit Q230 Q231 Q401 Q540 While transmitting Outputs microphone sensitivity control signal to the MIC gain controller Q450 Q451 While recseiving Outputs AquaQuake function activate signal Low AquaQuake function is activated Input port for SQL key RF UNIT S250 Low While SQL is pushed Input port for A key MAIN UNIT S321 Low When A key is pushed Input port for W key MAIN UNIT S322 Low When W key is pushed Input port for CH WX key MAIN UNIT S324 Low When CH WX key is pushed Input port for 16 key MAIN UNIT S320 Low When 16 key is pushed Input port for SSCAN key MAIN UNIT S324 Low When SCAN key is pushed Input port for H L key MAIN UNIT S329 Low When H L is pushed Outputs MIC mute signal to the AF mute switch IC430 pin 5 Hig
18. Output level Frequency range Measuring range 0 1 300 MHz 0 1 pV to 32 mV 7127 to 17 dBm DC 20 MHz 0 01 20 V FM deviation meter Frequency range Measuring range 30 300 MHz 0 to 10 kHz AC millivoltmeter Measuring range 1mV to 10V Audio generator Frequency range Output level Impedance 300 3000 Hz 1 500 600 Q STARTING SOFTWARE ADJUSTMENT 1 Connect IC M72 and a PC with OPC 478 U OPC 1028 and CABLE 2 Turn the transceiver ON 3 Boot up Windows and click the program group CS M72 in the Programs folder of the Start menu then CS M72 ADJ s window appears 4 Click Adjust on the CS M72 s window then IC M72 s up to date condition appears 5 Set or modify adjustment value as specified CAUTION BACK UP the originally programmed memory data in the transceiver before programming the adjustment frequencies When program the adjustment frequencies into the transceiver the transceivers memory data will be overwritten and lose original memory data at the same time Microsoft and Windows are registered trademarks of Microsoft Corporation in the U S A and other countries External speaker Input impedance Capacity 80 More than 1 W Attenuator Power attenuation Capacity 30 dB or more More than 10 W CONNECTION AC millivoltmeter Audio generator OPC 478 RS 232C
19. 11 1 25 3 11 1 25 3 7510001661 S NTCG16 4LH 473JT 70300100805 ERJ2RHD 104 X 100 70300050505 ERJ2GEJ 103 X 10 k 70300052405 ERJ2GEJ 473 X 47 7030007280 S ERJ2GEJ 331 X 330 7030005120 5 ERJ2GEJ 102 X 1 k 7030005240 S ERJ2GEJ 473 X 47 1 10 6 1 31 9 6 9 30 6 4 3 31 7 3 8 36 6 8 9 37 2 18 4 28 6 18 29 8 13 4 33 2 16 6 34 7 18 7 35 1 11 2 33 8 11 2 33 8 4 3 2 2 7030005120 5 ERJ2GEJ 102 X 1 70300055305 ERJ2GEJ 100 X 1 7030007290 S ERJ2GEJ 222 X 7030009140 5 ERJ2GEJ 272 X 4 3 2 2 8 3 8 2 8 3 8 2 18 1 7 7 2k AUS 7k Except AUS 7030005120 5 ERJ2GEJ 102 X 1 k 7030005050 S ERJ2GEJ 103 X 10 k 7030005210 8 ERJ2GEJ 822 X 8 4 2 2 18 7 35 1 25 3 37 21 2 36 5 24 3 34 1 12 8 35 4 18 7 16 2 k k Except AUS 7030008370 S ERJ2GEJ 561 X 560 AUS 7030005120 S ERJ2GEJ 102 1 7030005090 S ERJ2GEJ 104 X 100 k 7030005090 S ERJ2GEJ 104 X 100 k 7030008010 8 ERJ2GEJ 123 X 12 k 7030008010 8 ERJ2GEJ 123 X 12 k 7030009160 S ERJ2GEJ 181 X 180 7030005000 5 ERJ2GEJ 471 X 470 7030005070 S ERJ2GEJ 683 X 68 k 7030005000 S ERJ2GEJ 471 X 470 7030009280 S ERJ2GEJ 391 X 390 7030007350 5 ERJ2GEJ 393 X 39 k 70300050005 ERJ2GEJ 471 X 470 7030005070 S ERJ2GEJ 683 X 68 k 7030005120 S ERJ2GEJ 102 7030005120 5 ERJ2GEJ 102 X 7030005040 5 ERJ2GEJ 472 X 7030004980 5 ER
20. 35 7030007310 5 ERJ2GEJ 155 X 1 5 7 7 5 6 4030017420 5 ECJOEC1H470J 78 7 34 1 7030005040 5 ERJ2GEJ 472 X 4 7 13 8 6 8 4030016930 S ECJOEB1A104K 18 7 40 8 8 2 k 1 M 7030005210 S ERJ2GEJ 822 X 13 7 5 5 4030017740 S ECJOEB1E821K 23 6 28 9 7030005090 S ERJ2GEJ 104 X 100 K 16 3 6 7 4030017780 S ECJOEB1E472K 20 8 30 7 7030005040 S ERJ2GEJ 472 X 4 7 k 12 1 5 5 4030017500 S ECJOEC1H560J 20 32 2 7030008290 S ERJ2GEJ 183 X 18 k 26 4 25 8 4030018870 S ECJOEF0J105Z 17 3 16 8 7030005210 S ERJ2GEJ 822 X 8 2 k 28 25 4 4030018870 S ECJOEF0J105Z 17 7 31 8 7030008410 5 ERJ2GEJ 392 X 3 9 k 29 3 25 4 4550006250 5 TEESVA 1A 106M8R 25 19 8 7030005120 S ERJ2GEJ 102 X 1 k 28 26 3 4030016790 S ECJOEB1C103K 23 23 4 7030005170 S ERJ2GEJ 474 X 470 k 4030016930 S ECJOEB1A104K 15 2 20 4 c AUS only 29 2 28 2 4030018860 S ECJOEBOJ105K scramble 49 6 8 85 25 8 4030018860 S ECJOEBOJ105K scramble 49 6 11 2 85 27 4 4030018860 S ECJOEBOJ105K scramble 51 3 15 3 72 9 25 3 4030016930 S ECJOEB1A104K scramble 32 21 8 78 3 24 9 4030016930 S ECJOEB1A104K scramble 36 23 76 4 25 5 4030018860 S ECJOEBOJ105K scramble 36 8 16 8 78 3 23 9 4030018860 S ECJOEBOJ105K scramble 36 8 18 4 79 5 22 7 4030016790 S ECJOEB1C103K scramble 36 8 21 6 80 5 21 5 4030016790 S ECJOEB1C103K scramble 31 1 18 6 79 3 6 3 4030016930 S ECJOEB1A104K scramble 55 6 16 3 80 9 7 1 4030017650 S ECJOEC1H270J scramble 6
21. C264 2 8 0 0033 ew 1 en m R260 R251 R263 39k R261 470 100k 4 7k 10k c288 C289 4 0 0477 220 410 Q430 12266 i9 0470 i 12360 UNR9111J UNR9213J 0 504 9 pasa 0260 8262 MICS BPCTRL uPD78F0338GC 9EB 0 47 REGO 470k 4 3 cit 11 AquaQuake water draining OV gt 1 R276 C263 274 EXTSP 4 96V 5 180k 0 01 390k INTSP 4 96V 3 C432 R430 ON 492V 100k WDECV OFF 0250 430 SMS UNR9111J 71 SAMS DETMS 265 R394 R264 R393 100k 100k 100k 100k 2598 Raos 8559 5 5 R250 470k EES E 270k 8588 5 OFF OV OBE 2222 m E 5555 1 ON 4 79 C280 R286 _____ ___________ 5 R354 5 5585 31 TDETV 1 10k 100k PORRRRRRRP KERE sd r 70405 70196 70497 70408 70499 591 250 1 200 0451 lt wp Jo SKB 2746 JPW on C376 C254 R2353 NJM2902V 19 P UNR9213J 4 0350 rasi H353 t SQLO 0 1 001 22 6 a MIC3 BPCTRL UNR9210J 1k 5 UNR9213J 2NDLO C252 R521 0 5 gt 2 MIC2 AFVCTRL 10352 Des on 0 001 27k CD4066BPWR fase ANG 5 nu to RF UNIT 4 R375 1 nssv VOI _ VDD 101 C431 p CONTI 6 8k 2 MIC1 SPCTRL J10 1 2 1 Wi OPTSTB past RA R450 SONIS 015 001 a 1 0450 8206 C202 R300 D 5 0 01 A
22. C36 0 001 25 023 0 1H 25 4215 K 021 25 4226 C35 180 1 99 022 TX 2 78V RX 2 85V 2SC4215 Q25 2SC4215 Y F 050 MA2S077 JPW R53 4 80V 100 nx 50 0 001 R100 TX 1 61V RX OV 0 001 Q50 25 5110 C53 PT C55 I 24p R57 68 Q351 UNR9113J Q53 RD01MUS1 6W 0 87V 1W 0 41V 1 C58 R68 0 1 100 Q100 UNR9213J 2NDLO R13 C17 0 001 1 190 M62 363FP VIN8 VOUT8 R154 C158 100k C156 R153 0 001 1 5k Q151 25 4215 157 0 022 2151 FL 363 TX 4 920 R152 100 Tn RK 11 0 001 0150 3SK293 C115 100k 56 5p 1 1311 1 av D131 D aasma 7 D130 HVC350BTRF p 82p 27 11250 C59 C60 INJM2125F 470 I toe EP2 216085221 216085221 054 RD07MVS1 100p R70 C64 27k I 0 001 50 70 2905 56 24 C68 C67 155 T 47p T 470p 156 157 8 5nH 19nH 00 C225 12p 091 71 RB706F x ANT C89 7p C226 C85 6W 1 99V 1W 0 48V
23. ECJOEB1E102K ECJOEC1H820J ECJOEB1E102K ECJOEC1H3R5B ECJOEC1HR75B ECJOEC1H330J ECJOEC1HO050B ECJOEC1H040B ECJOEC1H560J ECJOEB1C223K ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEC1H150J ECJOEC1H100C ECJOEC1H1R5B ECJOEB1E102K ECJOEC1H060C ECJOEB1E102K ECJOEB1C223K ECJOEB1E102K ECJOEB1C103K ECJOEB1C103K ECJOEB1C103K TEESVA 106M8R ECJOEB1C103K ECJOEB1C103K TEESVA 1A 106M8R ECJOEB1C103K ECJOEB1C103K 16 1 29 1 10 8 27 1 10 8 29 2 13 1 26 9 10 8 31 1 10 8 30 1 10 7 35 6 16 2 30 8 6 3 11 7 5 1 8 2 4 2 7 2 4 2 8 8 6 3 9 8 3 1 29 4 26 4 25 4 29 5 25 3 23 28 3 22 7 26 7 20 7 18 6 16 16 7 13 7 13 9 13 6 12 2 3 3 12 4 5 14 3 2 5 18 8 12 1 22 243 21 9 1 7 25 9 3 7 23 3 5 1 29 8 11 5 26 7 8 5 28 5 4 7 24 9 5 25 1 5 9 28 2 3 8 30 2 4 2 29 8 5 5 30 5 9 3 24 1 4 5 23 7 17 1 32 3 4 2 23 5 2 8 26 7 6 2 27 6 9 31 1 10 5 26 9 2 29 5 15 23 21 4 26 10 8 27 2 10 2 28 1 16 6 27 4 11 4 23 8 18 19 6 18 19 6 18 9 19 7 20 1 22 6 17 3 19 6 14 18 7 14 16 9 16 8 15 9 19 1 14 9 21 5 16 2 14 3 14 6 16 14 1 20 6 14 17 2 13 16 7 97 9 8 2 17 5 7 2 16 4 7 6 18 6 7 9 13 3 8 2 17 1 7 9 12 4 6 8 14 3 4 7 11 7 3 7 20 8 2 6 29 6 4 7 29 2 3 8 29 2 7 9 25 2 10 1 21 6 19 7 27 7 21 6 32 5 21 6 29 1 20 30 14 3 26 9 18 1 23 5 26 1 17 3 L dHHHHUUUUUU UU HA HUUUUuUuguuuuguuuuuuuuuuuuuuuuuuuu d du d ddddddddd d4d d4ddud uuu uuuu d d ododdda duuuuuu M Mounted si
24. Fax 86 010 5889 4250 URL http www bjicom com E mail bjicom bjicom com Icom Europe GmbH Communication Equipment Himmelgeister Str 100 D 40225 D sseldorf Germany Phone 449 0211 346047 Fax 449 0211 333639 URL http www icomeurope com E mail info Gicomeurope com Icom Spain S L Ctra Rubi 88 08190 Sant Cugat del Valles Barcelona SPAIN Phone 34 93 590 26 70 Fax 34 93 589 04 46 URL http www icomspain com E mail icom Q icomspain com Icom UK Ltd Unit 9 Sea St Herne Bay Kent CT6 8LD U K Phone 44 01227 741741 44 01227 741742 URL http www icomuk co uk E mail info Gicomuk co uk Icom France S a Zac de la Plaine 1 Rue Brindejonc des Moulinais BP 5804 31505 Toulouse Cedex France Phone 33 5 61 36 03 03 Fax 33 5 61 36 03 00 URL http www icom france com E mail icom icom france com Asia Icom Inc 6F No 68 Sec 1 Cheng Teh Road Taipei Taiwan R O C Phone 886 02 2559 1899 Fax 886 02 2559 1874 URL http Awww asia icom com E mail sales asia icom com Icom Polska Sopot 3 Maja 54 Poland Phone 48 58 550 7135 Fax 48 58 551 0484 E mail icompolska icompolska com pl Count on us Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14221MZ C1 2006 Icom Inc
25. NOISV signal to the CPU IC360 32 RSSIV signal to the CPU IC360 33 1st IF signal from the IF amplifier RF UNIT 0151 4 1 5 AF CIRCUITS MAIN UNIT The demodulated AF signals from the demodulator circuits are amplified and filtered in AF amplifier circuits The demodulated AF signals from the FM IF IC IC170 pin 9 are passed through the AF mute switch 260 pins 1 2 LPF IC200 pins 8 9 and variable register VR BOARD R801 for level adjustment The level adjusted AF signals are passed through the de emphasis circuit R286 C280 C285 to obtain 6 dB of audio characteristic The de emphasized AF signals are passed through the analog switch IC430 pins 10 11 and applied to the AF power amplifier IC401 pin 7 to obtain 0 6 W of AF output power The power amplified AF signals are then output from pin 1 and applied to the internal speaker via J251 If an external speaker microphone or headset is attached to the SP MIC connector MIC BOARD J416 the de emphasized AF signals are passed through the analog Switch IC430 pins 8 9 and applied to the AF power amplifier IC280 pin 4 to obtain 0 2 W of AF output power The power amplified AF signals are output from pin 10 and then applied to the external speaker via the SP MIC connector MIC BOARD J416 4 1 6 SQUELCH CIRCUIT MAIN UNIT The squelch mutes the AF output signals when no RF signals are received By detecting noise compon
26. Q231 XP6501 Q401 UNR9213J Vcc MAIN UNIT Q540 UNR9113J CDBC450CX24 AFVCTRL K eh PWR 0151 FI150 FL 368 0131 0130 093 092 4 EE CTRL AFVS 090 2504215 FI151 FL 363 HVC350B HVC350B 35 294 HVC350B HVC350B SPCTRL IF DET IC 1C170 lt evr jk AFVOTRL p TAS1196FNG BPCTRL 1C280 AFVS TA7368FG TICON CERAMIC BPF FI170 ELFY450E D90 1SV307 D353 MA2S077 PWR BPCTRL Q350 UNR9210J D350 KDS122 BUFF 1 MIC BORAD L ERXD D A control BUS ETXDO Q222 KTA2015 4 T5V T5V REG 05480 29051 Q220 KTA2015 LCD IC200C IC260A IC200D vv k NJM2902V CD4066BPWR NJM2902V REG DS250 DS251 SML AT2WT LPE MUTE LPF Zo reel 8304 MHz DS242 DS243 DS240 DS241 DS252 DS253 IC200A 10341 SML 311YT NJM2902V Q221 KTA20 S 80942CNMC C360 PD78F0338GC 9EB BACK by RESET P 4 S4 1C220 C PU 0240 1 260 NJM2870 UNR9213J Q430 CD4066BPWR IC410 UNRO111J FX214L2 TR CPU P DRIVER WEE Q225 KIA1664 P 5 Q224 XP6501
27. UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ U3 UJ UJ UJ UU UJ WUWU WUWU UU UU UO UJ 63 5 2 1 73 5 2 1 38 9 12 3 38 9 30 3 63 5 40 4 73 5 40 4 23 6 11 8 23 6 30 8 MAIN UNIT RF UNIT ORDER H V ORDER H V NO DESCRIPTION LOCATION NO DESCRIPTION LOCATION 7700002480 SKB 2746 LPC 2030000350 21R15AB FL 368 2030000270 FL 363 21 7 MHz 8930069010 SRCN 2905 SP N W 60500117405 CR 766 21 250 MHz 6 3 36 8 62000080705 MLF1608E 6R8K 6 80 3 8 37 6 6200011021 5 ELJRF 82NJFB 11 5 36 7 6200003711 5 NLV25T 2R7J 21 2 35 7 6200011410 S C2520C 82NG A 20 8 31 6200011031 5 ELJRF R10JFB 12 9 32 3 6200011031 5 ELJRF R10JFB 12 1 27 3 6200011031 5 ELJRF R10JFB 13 2 33 7 6200009151 5 ELJRE 82NJFA 7 615 RF UNIT 6200006981 S ELJRE R10GFA 6 3 3 2 6200007001 5 ELJRE 82NGFA 62000076905 LQW2BHN18NJOSL 62000092405 0 20 1 0 7TL 31N 6200010640 S 0 26 1 0 3TL 8 5N 62000085405 0 26 0 9 6TR 19N 6200003711 5 NLV25T 2R7J 62000082805 0 30 1 7 7TL 50N 62000098005 0 26 1 1 7TR 30N 62000085805 0 30 1 4 6TL 32N 6200008280 5 0 30 1 7 7TL 50N 6200010991 5 ELJRF 47NJFB 6200007750 5 LQW2BHN56NJ03L 6200007750 5 LQW2BHN56NJ03L 62000039605 MLF1
28. circuit Q450 XP1213 Q451 UNR9213J AF mute switch IC260 CD4066BPWR 5V regulator Q223 UNR9213J Q224 XP6501 Q225 KTA1664Y ex Limitter LPF amp microphone amplifier E IC200 NJM2902V CPU regulator IC220 NJM2870 be AF mute switch 430 CD4066BPWR s VOX amplifier IC431 LM2904PWR Internal microphone switch 0250 UNR91114J External microphone switch 0430 UNR91114J AF power amplifier for internal speaker 401 NJM2073M AF power amplifier for external speaker IC280 TA7368FG RF UNIT Top view Bottom view D A covertor Antenna switching circuit 052 18 307 2190 M62363FP 590 15307 regulator T5V regulator 0353 28077 amplifier 0220 KTA2015Y 0222 KTA2015Y IC50 NJM2125F VCO circuit RF amplifier Q90 3SK294 1st Mixer 0150 3SK293 a 1 47752 4 B zo 85177 IC TX RX switching circuit Power controller 1st IF amplifier PLL reference ocillator pPD3140GS 050 051 25077 0480 RSQ035POSTR 0151 25 4215 X1 CR 766 21 25 MHz 2 1 SECTION3 DISASSEMBLY INSTRUCTIONS 1 Removing the chassis panel D Unscrew 2 screws and 4 screws 8 2 Disconnect the speaker cable C and remove the chassis from the front pannel The latc
29. microphone are applied to the VOX amplifier 431 pins 1 2 The amplified MIC signals are applied to another VOX amplifier IC431 pin 5 and the amplified MIC signals are output from pin 7 then rectified by D430 The rectified signal is applied to the CPU IC360 pin 29 as VOXT signal which turns the transmit circuits ON Then the CPU outputs signal from pin 117 to the AF mute switch 1 430 pin 5 to turn the AF mute switch OFF and the MIC signals are applied to the pre emphasis circuit 4 5 POWER SUPPLY CIRCUITS MAIN UNIT AND RF UNIT Description The same voltage as attached battery pack Common 5 V converted from VCC line at the regulator 220 The converted voltage is applied to the CPU IC360 Reset IC IC341 EEPROM 340 etc Common 5 V converted from VCC line at the 5V regulator Q223 Q225 controlled by M5VS signal from CPU IC360 101 The converted voltage is applied to the backlight LED S DS240 DS243 DS250 DS253 D A con verter RF UNIT IC190 PLL IC RF UNIT IC1 etc Common 5 V converted from VCC line at the V5V regulator RF UNIT Q220 The converted voltage is applied to the VCO RF UNIT Q21 Q22 D21 D23 Receive 5 V controlled by R5V regulator Q221 using R5VS signal from the CPU 1 360 95 The voltage is applied to the receive circuits RF UNIT 1st mixer Q150 1st IF amplifier Q151 RF amplifier Q90 etc Tran
30. passed through another AF mute switch 430 pins 3 4 and passed through the pre emphasis circuit R253 C254 to obtain 3 dB of characteristic The pre emphasized signals are then applied to the microphone amplifier IC200 pins 6 7 The amplified MIC signals are passed through AF mute switch IC260 pins 8 9 and are applied to the gain controller 0450 Q451 whitch adjust the AF signal level deviation according to the control signals MIC1 2 3 from the CPU IC360 pins 106 107 108 The level adjusted MIC MOD signals are applied to the limiter amplifier IC200 pins 13 14 which limits the amplitude of the MIC signals to prevent over deviation The amplitude limited MIC signals are then passed through the splatter filter IC200 pins 1 3 which suppresses the 3 kHz and higher audio components The filtered MIC signals are applied to the modulation circuit RF UNIT D20 4 2 2 MODULATION CIRCUIT RF UNIT The modulation circuit modulates the VCO oscillating signal with the AF signals from the microphone The MIC signals from the microphone amplifier circuits are applied to the D20 and modulate the VCO oscillating signal by changing the reactance of D20 The modulated VCO output signal is buffer amplified by Q23 and Q24 then applied to transmit amplifiers as a transmit signal via the TX RX switch D50 is ON D51 is OFF T5VO from the TX RX switch 050 VCC D52 ANT SW tothe annten
31. 00 S ERJ2GEJ 332 X 3 3 7030005000 S ERJ2GEJ 471 X 47 7030005590 S ERJ2GEJ 680 X 68 Except AUS 7030007260 S ERJ2GEJ 330 X 33 AUS 7030005100 5 ERJ2GEJ 154 X 150 7030005240 5 ERJ2GEJ 473 X 47 k 7030005090 S ERJ2GEJ 104 X 100 7030004980 5 ERJ2GEJ 101 X 100 7030007340 S ERJ2GEJ 153 X 15 k 7030005600 S ERJ2GEJ 273 X 27 k 7 0 0 27 2 6 4 3 k USA 1 SEA 1 27 2 6 4 a 1790001670 5 RB706F 40T106 25 4 2 9 1750000580 5 15307 USA SEA AUS AUS 1 1750000581 5 1SV307 27 5 7 6 USA 1 SEA 1 27 5 7 6 24 7 10 5 30 6 12 4 25 9 18 1 31 9 9 5 15 8 17 14 4 18 8 25 4 16 9 29 9 8 6 1790001670 S RB706F 40T106 1750000711 S HVC350BTRF E 1750000711 5 HVC350BTRF E 1790001621 5 1SV308 TPL3 1750000711 8 HVC350BTRF E 1750000711 8 HVC350BTRF E 1790001250 S 25111 1790001260 S MA2S077 TX 7030004970 5 ERJ2GEJ 470 X 4 7030005710 5 ERJ2GEJ 121 X 12 7030005120 5 ERJ2GEJ 102 X 1 7030008010 5 ERJ2GEJ 123 X 12 k 70300055805 ERJ2GEJ 560 X 56 7030000280 5 MCR10EZHJ 151 X 150 29 13 9 7030003670 5 823 V 82 29 4 8 scramble USA 1 SEA 1 AUS 1 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount WA 4 4 02 00 00 00 0 4 4 4 4 4 4 4 4 402 000 4 4 4 1 1 1 4000000000 000000 4 0 4 4 44
32. 005771 1140010620 1140013300 1110002420 1130009900 1110006380 1130007991 1130011770 1110006380 1510001090 1590003290 1590001190 1520000840 1550000090 1590001190 1590003290 1590003380 1590003270 1590003550 1590003290 1590003290 1590003380 1590001770 1590003290 1590003290 1590003290 1590003230 1590003290 1750001180 1790001250 2020001530 2020002170 6070000190 6050008910 6050011500 7030009280 7030007570 7030005000 7030005030 7030006610 7030005600 7030005120 7030005050 7030005090 7030003810 7030005040 7030005210 7030008290 7030005600 7030005030 7030005070 7030007340 7030005050 7030005040 7030007290 7030005050 7030005220 7030005600 7030005160 7030005120 7030007290 TA31136FNG EL NJM2902V TE1 2870 05 1 CD4066BPWR TA7368F ER TA7368FG 5 ER AUS scramble S 24CS64A0I T8T1G S 80942CNMC G9C T2 S 80942CNMC G9CT2G Except uPD78F0338GC 9EB uPD78F0338GC 9EB A Except USA SEA AUS AUS AUS AUS NJM2073M TE1 FX214L2 TR scramble only LM2904PWR scramble only TC3WOSFU TE12L scramble only CD4066BPWR LM2904PWR KTA2015Y RTK P UNR9213J TX XP6501 TX AB KTA1664Y RTF P RSQ035PO3TR XP6501 TX AB UNR9213J TX UNR9111J TX UNR9210J TX XP4313 TX UNR9213J TX UNR9213J TX UNR9111J TX XP1213 TX UNR9213J TX UNR9213J TX UNR9213J TX UNR9113J TX UNR9213J TX scramble only KDS122 25111
33. 0151 21 7 MHZ lt H eer 181 IF signal Received signals 1st IF signal Meee from the RF circuits 1st mixer FI150 1151 to the FM IF IC 50 15 Q150 MAIN UNIT 170 pin 16 4 1 4 2nd IF AND DEMODULATOR CIRCUITS MAIN UNIT The 1st IF signal is converted into the 2nd IF signal and demodulated The 1st IF signal from the 1st IF circuits is applied to the 2nd IF mixer in the FM IF IC 1 170 pin 16 and converted into the 2nd IF signal by being mixed with the 21 25 MHz 2nd LO signal from the reference oscillator RF UNIT IC1 X1 via LPF RF UNIT L1 C8 C9 C12 The converted 2nd IF signal is output from pin 3 and passed through the 2nd IF filter FI170 to suppress sideband noise The filtered 2nd IF signal is applied to the limiter amplifier IC170 pin 5 The amplified 2nd IF signal is FM demodulated at the quadrature detector 1 170 pins 10 11 and output from pin 9 The demodulated AF signals are applied to the AF circuits I I 3 RF UNIT 00 Fil D A ilter RF UNIT IC190 converter 113 NONE 81 Quadrature detector 4 lt gt Demodulated signals to the AF circuits 1 2125MHz 2NDLO PLLIC 21170 17 IC1 12 1i Noise a i 1 21 25 2 detector IRF UNIT FM IF IC MAIN UNIT IC170 14 16
34. 030016930 S ECJOEB1A104K 83 4 6 4 23 4 17 3 4030018900 S ECJOEBOJA74K 81 7 8 2 21 6 14 5 4030018900 S ECJOEBOJA74K 78 5 4 7 20 8 16 1 4030018900 S 0 0 474 77 6 4 7 23 2 14 5 4030018900 S ECJOEBOJA74K 82 3 9 4 26 2 6 7 23 8 8 9 31 8 5 5 6510025130 S 30P9 0 JMCS G B TF N 61 3 20 3 30 7 16 6 6510021900 S BM02B ASRS TF 6 6 3 27 2 8 6 6510022690 S OGFLT SM1 TB Except AUS only 65 3 40 1 6 5 36 3 6510025140 S 1OFLT SM1 TB 76 6 29 7 6 5 36 3 12 9 39 2 10 4 40 5 5040003010 S SML A12WT 21 37 5 5040003010 S SML A12WT 19 9 37 8 5040002310 S SML 311YTT86 24 6 6 5040002310 S SML 311YTT86 35 3 25 6 5040003010 S SML A12WT 36 3 36 5040003010 S SML A12WT 17 7 23 5 5040002310 S SML 311YTT86 4030017770 S ECJOEB1ES332K 32 3 37 9 5040002310 S SML 311YTT86 4030017420 S ECJOEC1H470J 29 4 33 9 5030002910 L5 0213TVM scramble USA 1 SEA 1 AUS 1 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount 7030005160 S ERJ2GEJ 105 X 1 M 7030005530 S ERJ2GEJ 100 X 7030005050 S ERJ2GEJ 103 X 7030005050 S ERJ2GEJ 103 X 7030005050 S ERJ2GEJ 103 X 7030005050 S ERJ2GEJ 103 X 7030005050 S ERJ2GEJ 103 X 7030005050 S ERJ2GEJ 103 X 7030009150 S ERJ2GEJ 824 X 820 k 7030007310 5 ERJ2GEJ 155 X 1 5 M 7030007060 S ERJ2GEJ 684X 680 k 7030008300 5 ERJ2GEJ 184 X 180 k 7030010040 S ERJ2GEJ JPW scramble only 7030005090 S ERJ2GEJ 104 X 100 k 7030005120 S E
35. 1 92 NOTE The above screen is an example Each transceiver has its own specific values 5 3 SOFTWARE ADJUSTMENT RECEIVE AND TRANSMIT Select the adjustment item with 1 keys then set the value with gt keys on the connected NOTE RECEIVE SENSITIVITY should be adjusted before SQUELCH LEVEL or SQUELCH LEVEL will not be adjusted properly MEASUREMENT ADJUSTMENT ADJUSTMENT CONDITION UNIT OPERATION RECEIVE Operating CH 16 Top Connect the distortion meter Minimum distortion level SENSITIVITY Connect the standard signal pannel with an 8 O load to the MIC BPF T1 generator to the antenna connector SP jack through the JIG BPF T2 and set as cable Frequency 156 8000 MHz Level 20 dBu 87 dBm Modulation 1 kHz Deviation 3 0 kHz Receiving CONVENIENT RECEIVE SENSITIVITY can be adjusted automatically 1 Put the cursor on the BPF ALL Sweep on the CS M72 ADJ s screen and push the ENTER key 2 The connected PC tunes BPF T1 and T2 to peak level automaticaly 1 Put the cursor on the one of BPF T1 and T2 as desired 2 Push the ENTER key to start tuning 3 Repeat 1 and 2 to perform additional BPF tuning SQUELCH Need to adjust SQUELCH LEVEL after RECEIVE SENSITIVITY is adjusted Otherwise SQUELCH LEVEL LEVEL will not be adjusted properly NOISE e Operating CH 16 Top Push the ENTER key on the Automatic Connect the standard signal keyboad of the co
36. 1 X 470 ERJ2GEJ 103 X 10 K ERJ2GEJ 474 X 470 K ERJ2GEJ JPW ERJ2GEJ 562 X 5 6 k ERJ2GEJ 473 X 47 K ERJ2GEJ 103 X 10 K ERJ2GEJ 821 X 820 ERJ2GEJ 224 X 220 ERJ2GEJ 103 X 10 K ERJ2GEJ 224 X 220 ERJ2GEJ JPW ERJ2GEJ 100 X ERJ2GEJ 182 X ERJ2GEJ 104 X ERJ2GEJ 473 X ERJ2GEJ 222 X ERJ2GEJ 393 X 39 ERJ2GEJ 334 X 330 ERJ2GEJ 101 X 100 ERJ2GEJ 152 X 1 5 k 1 1 5 oK 1 2 05 ERJ2GEJ 104 X 100 ERJ2GEJ 152 X 1 5 ERJ2GEJ 471 X 470 ERJ2GEJ 391 X 390 ERJ2GEJ 471 X 470 ERJ2GEJ 104 X 100 K ERJ2GEJ 103 X 10K ERJ2GEJ 472 X 4 7 ERJ2GEJ 103 X 10K ERJ2GEJ 472 X 4 7 ERJ2GEJ 683 X 68 ERJ3GEYJ 153 V 15 k ERJ2GEJ 103 X 10 ERJ2GEJ 272 X 2 7 ERJ2GEJ 123 X 12 K ERJ2GEJ 222 X 2 2 k ERJ2GEJ 103 X 10 K ERJ2GEJ 274 X 270 k ERJ2GEJ 103 X 10 K ECJOEB1A104K ECJOEB1C103K ECJOEC1H221J ECJOEC1H180J ECJOEC1H150J ECJOEB1E102K ECJOEB1C103K ECJOEC1H020B ECJOEC1H020B ECJOEB1A473K TEESVA 1E 474M8R Except AUS TEESVA 1C 225M8R others ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEC1H090C ECJOEC1H090C ECJOEB1A104K ECJOEB1E102K C1608 CH 1H 390J T C1608 CH 1H 390J T ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEC1H1R5B ECJOEC1H221J ECJOEC1H1R5B ECJOEB1E102K ECJOEB1E102K scramble USA 1 SEA 1 AUS 1 AAAAAA
37. 15 2 31 3 16 1 24 1 15 2 18 8 16 4 31 8 32 7 23 34 3 23 32 20 2 34 6 13 5 34 6 14 4 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount MAIN UNIT MAIN UNIT ORDER ORDER HIV NO DESCRIPTION LOCATION NO DESCRIPTION LOCATION 7030005090 5 ERJ2GEJ 104 X 100 4030016950 5 ECJOEB1A473K 30 3 37 7 scramble only 32 18 6 4030018860 S ECJOEBOJ105K 30 36 5 7030005160 5 ERJ2GEJ 105 X 1 M 4030018860 S ECJOEBOJ105K 16 1 28 4 scramble only 63 8 4 2 4550007080 S TEESVA 1C 106M8R 11 9 11 6 7030005120 5 ERJ2GEJ 102 X 1 k 4030016930 S ECJOEB1A104K 15 16 7 scramble only 62 9 5 1 4030017460 S ECJOEB1E102K 15 17 6 7030005040 S ERJ2GEJ 472 X 4 7 4030016930 5 ECJOEB1A104K 19 2 29 5 scramble only 36 8 20 4550006250 S TEESVA 1A 106M8R 19 9 12 3 7030005090 S ERJ2GEJ 104 X 100 10 2 33 4030017700 5 ECJOEC1H151J 15 5 8 1 7030005090 5 ERJ2GEJ 104 X 100 K 11 7 33 9 403001695015 ECJOEB1A473K 10 3 9 3 7030005090 5 ERJ2GEJ 104 X 100 k 14 8 32 2 4510009010 5 EEE1AA221P 68 6 29 9 7030007340 5 ERJ2GEJ 153 X 15 11 8 6 8 4030017770 5 ECJOEB1E332K 23 9 24 6 7030005230 S ERJ2GEJ 334 X 330 K 10 5 5 5 4030016790 5 ECJOEB1C103K 71 8 34 6 7030008400 S ERJ2GEJ 182 X 1 8 k 6 7 2 7 4030017030 S ECJOEB1A273K 69 9 39 7030006610 5 ERJ2GEJ 394 X 390 K 7 7 2 7 4030017460 5 ECJOEB1E102K 53 5 2 703000522015 ERJ2GEJ 223 X 22 k 7 7 4 8 403001742015 ECJOEC1H470J 77 4
38. 17610 4030017530 4030017460 4030017590 4030007000 4030017620 4030017360 4030017460 4030017370 4030017650 4030017460 4030017360 4030017550 4030017500 4030017560 4030017610 4030016790 4030017420 4030016790 4030018900 4030017460 4030017420 4030017460 4030017680 4030017460 4030017370 4030017540 4030017660 4030017380 4030017570 4030017500 4030016970 4030017460 4030017460 4030017460 4030017640 4030017620 4030017550 4030017460 4030017580 4030017460 4030016970 4030017460 4030016790 4030016790 4030016790 4550006050 4030016790 4030016790 4550006250 4030016790 4030016790 ECJOEC1HOR5B ECJOEB1E102K ECJOEC1H120J ECJOEC1H150J ECJOEB1E102K ECJOEC1H050B ECJOEC1H220J ECJOEB1E102K ECJOEB1E102K ECJOEC1H220J ECJOEB1E102K ECJOEB1E102K ECJOEC1H150J ECJOEC1H240J ECJOEB1C103K ECJOEB1A104K ECJOEB1A104K ECJOEB1E471K ECJOEB1E102K EEE1CS100SR ECJOEB1E102K ECJOEB1E471K ECJOEB1E102K ECJOEC1H101J ECJOEB1E102K ECJOEB1E471K ECJOEC1H470J C1608 CH 1H 560J T C1608 CH 1H 240J T C1608 JB 1H 102K T ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEC1H220J ECJOEC1H220J ECJOEC1H220J ECJOEC1H110J ECJOEC1H150J ECJOEC1H090C ECJOEC1HOR5B ECJOEB1E102K ECJOEC1H070C C1608 CH 1H 090D T ECJOEC1H100C ECJOEC1HO030B ECJOEB1E102K ECJOEC1H3R5B ECJOEC1H270J ECJOEB1E102K ECJOEC1HO030B ECJOEC1H1R5B ECJOEC1H560J ECJOEC1H2R5B ECJOEC1H090C ECJOEB1C103K ECJOEC1H470J ECJOEB1C103K 474 ECJOEB1E102K ECJOEC1H470J
39. 2 M MAIN UNIT Y MPi8 C R RF UNIT i V VR UNIT MP17 250 M gt MP40 C MC MIC UNIT W470 MC MP15 C Once the following parts are removed an ring or sealing NOTE2 The glue must be applied to the 22221 areas when these components washer must be replaced with new one before reattachement are replaced with new one to ensure water tightness Manufacture Cemedine Co REF NO Mother parts Super K H relayted replacement MP1 thie MP20 C TP76N97N 13F 10KA 2497 R801 O ring AQ 4 MP22 2905 ant connector J1 O ring AG 4416 2465 550 68 4158 6510021940 O ring e rz MP12 C SP1 C SECTION8 SEMICONDUCTOR INFORMATION 8 1 TRANSISTORS AND FET S SYMBOL INSIDE VIEW 2SB1201S TL SYMBOL INSIDE VIEW KTA2015Y RTK P 25 4215 25 4215 25 4226 1 25 5110 RDO1MUS1 2SD1801S TL RDO7MVS1 RDO7MVS1 25 1829 RSQO035POSTR 25 880 UNR9111J UNR 9113J TX 3SK293
40. 30069890 2907 Terminal ACCESSORIES REF ORDER DESCRIPTION QTY v D5 MP1 Optional product Screw M5 30 SUS 2 MP1 M Unit abbreviations C CHASSIS PARTS M MAIN UNIT 12 1 Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan Phone 81 06 6793 5302 Fax 81 06 6793 0013 URL http www icom co jp world index html Icom America Inc Corporate Headquarters 2380 116th Avenue N E Bellevue WA 98004 U S A Phone 1 425 454 8155 Fax 1 425 454 1509 URL http www icomamerica com E mail sales 9 icomamerica com Customer Service Phone 1 425 454 7619 Icom Canada Glenwood Centre 4150 6165 Highway 17 Delta 5B8 Canada Phone 1 604 952 4266 Fax 1 604 952 0090 URL http www icomcanada com E mail info Icom Australia Pty Ltd A B N 88 006 092 575 Unit 1 103 Garden Road Clayton VIC 3168 Australia Phone 61 03 9549 7500 461 03 9549 7505 URL http www icom net au E mail sales icom net au Icom New Zealand 146A Harris Road East Tamaki Auckland New Zealand Phone 64 09 274 4062 URL http www icom co nz E mail inquiries icom co nz 64 09 274 4708 Beijing Icom Ltd Room C01 10th Floor Long Silver Mansion No 88 Yong Ding Road Haidian District Beijing 100039 China Phone 86 010 5889 4250
41. 400 162 000 78A 78 156 925 156 925 1 RX only 162 550 12 12 12 156 600 156 600 28b Rx only 162 000 79 156 975 161 575 2 RX only 162 400 1321 13 137 156 650 156 650 60 60 156 025 160 625 79A 79A 156 975 156 975 3 RX only 162 475 14 14 14 156 700 156 700 61 156 075 160 675 80 157 025 161 625 4 RX only 162 425 152 157 157 156 750 156 750 61A 61A 156 075 156 075 80A 80A 157 025 157 025 5 RX only 162 450 16 16 16 156 800 156 800 62 156 125 160 725 81 157 075 161 675 6 RX only 162 500 1711 17 171 156 850 156 850 62A 156 125 156 125 81A 81A 157 075 157 075 T RX only 162 525 18 156 900 161 500 63 156 175 160 775 82 157 125 161 725 8 RX only 161 650 18A 18A 156 900 156 900 63A 156 175 156 175 82A 82A 157 125 157 125 9 RX only 161 775 19 156 950 161 550 64 64 156 225 160 825 83 83 157 175 161 775 10 RX only 163 275 Low power only Momentary high power DSC operation only NOTE Simplex channels 3 21 23 61 64 81 82 and 83 CANNOT be lawfully used by the general public in U S A waters SECTION2 INSIDE VIEWS MAIN UNIT Top view Reference oscillator X480 CR 739 9 8304 MHz CPU IC360 uPD780338GC Reset IC IC341 S 80942CNMC EEPROM 12340 S 24CS64A01 R5V regulator Q221 KTA2015Y Microphone gain control
42. 608A 1ROK T 6200007750 5 LQW2BHN56NJ03L 6200007750 5 LQW2BHN56NJ03L 6200003680 5 LQH31MNR82M03L 6200002690 5 MLF1608A 1ROM T 7 6 4 2 11 9 12 4 20 7 12 5 20 3 2 9 23 6 2 4 28 1 10 6 23 9 7 8 29 5 5 4 32 7 5 2 24 2 6 8 24 8 9 1 24 10 6 28 9 11 8 21 6 20 5 17 7 19 4 13 8 14 4 8 7 19 8 32 4 12 3 ORDER NO DESCRIPTION LOCATION 8 5 32 1 27 3 25 1 25 4 23 8 113000761018 1 314088 058 112000283015 NJM2125F TE1 1190000350 S M62363FP 650C 23 36 2 23 36 2 17 5 31 7 17 3 27 3 21 7 25 5 1560000540 5 25 880 TE85R USA 1560000541 S 25 880 T5RICOM F 1590003290 S UNR9213J TX 1530002920 S 25 4226 1 R25 153000292015 25 4226 1 R25 1530002380 5 25 4215 TE85R USA SEA AUS AUS 1 1530002381 8 25 4215 SA 1 SEA 1 1530002380 S 25 4215 TE85R USA SEA AUS AUS 1 1530002381 5 25 4215 TE85R SA 1 SEA 1 1530002380 5 25 4215 TE85R USA SEA AUS AUS 1 1530002381 8 25 4215 SA 1 SEA 1 1530003420 S 25 5110 TE85R USA SEA AUS AUS 1 1530003421 S 25 5110 TE85R F USA 1 SEA 1 1560001240 S RD01MUS1 AUS 1560001241 S RDO1MUS1 T113 Except AUS 1560001230 8 RD07MVS1 1580000750 5 3SK294 TE85L USA SEA AUS AUS 1 1580000751 5 35 294 TE85L F USA 1 SEA 1 13 30 4 13 30 4 UUUUUUUUUUU d d Adddddd duu uu
43. 7 1 4 3 82 5 9 4030017650 S ECJOEC1H270J scramble 62 2 4 2 81 1 5 9 4030017690 S ECJOEC1H121J scramble 62 3 11 6 72 9 26 2 4030016930 S ECJOEB1A104K scramble 64 9 5 1 64 8 18 6 4030018860 S ECJOEBOJ105K scramble 49 6 9 6 4030018860 5 ECJOEBOJ105K scramble 49 8 4 8 66 3 4030018860 5 ECJOEBOJ105K 12 5 35 1 10 4 38 9 4030018860 5 ECJOEBOJ105K 14 8 40 8 4030016930 S ECJOEB1A104K 8 9 34 11 3 38 9 4030017460 S ECJOEB1E102K 12 31 8 11 3 38 9 4030016960 S ECJOEB1C183K 12 8 6 8 27 2 10 2 4030016960 S ECJOEB1C183K 10 5 7 5 27 8 6 9 4030017730 S ECJOEB1E471K 10 5 6 5 4030017460 S ECJOEB1E102K 7 7 6 6 4030016930 S ECJOEB1A104K 14 8 6 8 50 3 23 4030016930 S ECJOEB1A104K 6 7 4 3 51 3 38 1 4030018860 5 ECJOEBOJ105K 28 27 5 52 3 27 9 4030018860 S ECJOEBOJ105K Except AUS only 29 3 27 54 6 28 3 4030017400 S ECJOEC1H220J 85 9 25 8 56 1 26 3 4030017400 S ECJOEC1H220J 85 24 2 54 9 27 1 4550006250 5 TEESVA 1A 106M8R 65 21 6 50 1 38 9 4030016790 S ECJOEB1C103K 66 6 21 8 50 1 37 9 4030016790 S ECJOEB1C103K 66 5 24 4 53 1 38 1 4030016950 S ECJOEB1A473K 85 3 22 9 54 9 38 1 4030017460 S ECJOEB1E102K 85 6 21 1 52 2 37 3 4030016950 S ECJOEB1A473K 85 5 19 19 9 33 5 4030016950 S ECJOEB1A473K 85 6 15 1 22 4 25 9 4030017040 S ECJOEB1A333K 85 9 16 9 19 8 28 6 4030016950 S ECJOEB1A473K 85 5 18 1 19 8 26 8 4030016950 S ECJOEB1A473K 85 2 7 9 21 1 25 4 4030016950 S ECJOEB1A473K 85 2 6 2 28 3 16 7 4030016950 S ECJOEB1A473K 84 3 6 28 3 21 7 4
44. 7030011140 7030011140 7030011140 7030003860 7030000420 7030000020 7030000010 7030003520 4030006900 4510009150 4030006900 4510008540 4030011600 4030006900 4030008920 4030006860 6510024940 5040002740 7210003130 VAR TP76N97N 13F 10KA 2497 2230000960 NJW4100V TE1 25018018 1 25 12015 8807 03 MA8110L TX SBO07 03C TB E MA111 TX 471 V 470 MCR10EZHJ 010 V 1 MCR10EZHJ 332 V 3 3 MCR10EZHJ 442 V 4 7 ERJ3GEYF 104 V 100 k ERJ3GEYF 223 V 22 k 104 V 100 k ERJ3GEYF 103 V 10 k 104V 100 k 473 V 47 k 103 V 108 103 V 10 k 103V 10 103V 10 k ERJ8GEYJ JPW ERJ8GEYJ JPW ERJ8GEYJ JPW ERJ8GEYJ JPW ERJ8GEYJ JPW JPW V MCR10EZHJ 222 2 2 k MCR10EZHJ 010 V 1 MCR10EZHJ JPW 472 V 4 7 k C1608 JB 1H 103K T EEE1EA470WP C1608 JB 1H 103K T EEE1CA100SR C1608 JB 1E 104K T C1608 JB 1H 103K T C1608 JB 1H 473K T C1608 JB 1H 102K T HEC2305 016250 RT3 03HRYG SPPW81 7 6 B2 47 3 19 4 52 48 3 40 5 47 6 54 2 59 1 55 5 42 3 29 8 61 48 4 9 52 1 42 3 32 9 63 41 3 8 6 46 3 9 54 1 19 4 52 20 1 54 23 6 52 22 9 41 3 23 7 39 22 7 41 7 18 3 45 14 4 42 4 21 3 39 3 16 2 55 5 21 9 55 5 15 9 48 7 14 7 48 7 12 6 37 2 13 3 39 19 2 47 8 23 9 34 8 63 40 6 20 9 46 4 46 6
45. EJ 104 X 100 k ERJ2GEJ 823 X 82 k ERJ2GEJ 473 X 47 k ERJ2GEJ 103 X 10 k Except AUS ERJ2GEJ JPW AUS ERJ2GEJ 104 X 100 k ERJ2GEJ 682 X 6 8 k ERJ2GEJ 104 X 100 k ERJ2GEJ 823 X 82 k ERJ2GEJ 823 X 82 k ERJ2GEJ 823 X 82 k ERJ2GEJ 104 X 100 k ERJ2GEJ 104 X 100 k ERJ2GEJ 104 X 100 k scramble only ERJ2GEJ 104 X 100 k ERJ2GEJ 103 X 10 ERJ2GEJ 100 X 10 ERJ2GEJ 474 X 470 k ERJ2GEJ 103 X 10 scramble only ERJ2GEJ 563 X 56 k scramble only ERJ2GEJ 104 X 100 k scramble only ERJ2GEJ 183 X 18 k scramble only ERJ2GEJ 332 X 3 3 k scramble only UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ WWW UJUJUUUUUUUU 00 40 wooo 34 8 9 7 32 8 13 5 31 8 16 65 4 4 2 65 4 4 2 38 9 21 3 52 8 40 9 52 8 40 9 23 6 21 3 17 7 7 7 6 35 2 7 6 35 2 12 1 36 3 9 5 39 6 21 35 9 21 9 35 2 20 36 2 22 3 36 4 24 7 35 5 23 1 35 5 20 3 7 5 18 9 7 5 22 1 6 1 35 7 27 6 30 7 26 5 35 3 36 33 2 36 6 31 8 36 5 31 8 35 6 19 24 3 20 3 24 17 7 24 4 29 4 32 3 31 2 37 7 28 5 35 1 19 3 9 3 12 3 8 6 17 8 28 6 18 8 25 5 17 5 26 3 16 2 25 9 24 25 9 72 35 9 72 36 8 73 2 36 6 52 3 2 5 77 8 36 2 78 6 35 3 77 4 37 4 76 2 37 3 76 2 35 9 77 4 39 75 38 2 61 8 39 5 61 8 39 5 79 7 36 2 20 39 7 24 26 9 23 1 27 9 21 3 29 3 19 9 30 8 32 6 26 34 1 36 34 7 26 5
46. J2GEJ 101 X 3 4 1 5 18 7 16 2 29 1 20 9 10 17 3 7 3 28 3 2 7030004980 S ERJ2GEJ 101 X 100 2 1590003290 18 UNR9213J TX 7030007290 S ERJ2GEJ 222 X 2 1580000731 5 35 293 TE85L 1530002601 5 25 4215 1560000840 5 25 1829 TE85R USA SEA AUS 1560000841 S 25 1829 TE85R F USA 1 19 7 35 1 19 7 35 1 18 8 33 1 15 7 34 3 16 35 6 17 7 29 1 19 7 27 1 18 5 25 6 15 6 26 1 15 7 30 3 14 1 32 1 13 4 28 2 10 8 28 3 14 1 33 7 10 8 32 1 16 6 29 8 1 25 6 4 611 5 8 10 5 5 2 6 1 5 2 5 3 3 4 2 41 2 2 4 1 2 27 9 27 8 29 5 27 6 26 5 22 7 27 4 22 7 11 2 8 10 7 4 2 9 1 4 3 12 4 14 12 2 2 4 13 4 2 5 14 2 4 4 21 9 15 3 21 9 15 3 18 4 25 7 28 9 16 7 25 5 27 9 3 7 3 4 1510001090 5 KTA2015Y RTK P 1510001090 8 KTA2015Y RTK P 1590003230 S UNR9113J TX 1550000090 S RSQ035P03TR 0 0 4 1750000771 5 HVC376BTRF E 1790001260 8 MA2S077 TX 1790001260 S MA2S077 TX 1750000711 S 175000071119 1790001260 S MA2S077 TX 1790001260 8 MA2S077 TX 1750000580 S 1SV307 TPH3 USA SEA AUS AUS 1 1750000581 5 18 307 2 2 39 8 18 6 34 2 16 8 33 9 21 9 27 5 21 9 28 8 6 6 17 9 6 5 20 1 4 68 1k 1k 4 7 k 10 7030005530 S ERJ2GEJ 100 X 1 70300073
47. RJ2GEJ 102 X 1 k scramble only 7030010040 S ERJ2GEJ JPW 7030009140 5 ERJ2GEJ 272 X 2 7 Except AUS 7030010040 S ERJ2GEJ JPW AUS 7030005700 5 ERJ2GEJ 274 X 270 k 7030005050 S ERJ2GEJ 103 X 10 k v v v UJ UU UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ CJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UU UJ UJ UJ 4030018240 S ECJOEB1E562K 4030017460 S ECJOEB1E102K 4030017680 S ECJOEC1H820J 4030017460 S ECJOEB1E102K 4030017460 S ECJOEB1E102K 4030017460 S ECJOEB1E102K 4030016930 S ECJOEB1A104K 4030018890 S ECJOEBO0J224K 4030017450 S ECJOEB1E271K 4030017450 S ECJOEB1E271K 4030016930 S ECJOEB1A104K 4030016790 S ECJOEB1C103K 4030016930 S ECJOEB1A104K 4030016960 S ECJOEB1C183K 4030017460 S ECJOEB1E102K 4030016930 S ECJOEB1A104K 4030016790 S ECJOEB1C103K 4550006250 5 TEESVA 1A 106M8R 4030018890 S ECJOEBO0J224K 4030016790 S ECJOEB1C103K 4550006250 S TEESVA 1A 106M8R 4030017460 S ECJOEB1E102K 4030017460 S ECJOEB1E102K 4550006470 S 1D 106M8R 4030018870 S ECJOEF0J105Z 4030016790 S ECJOEB1C103K 4030017460 S ECJOEB1E102K 4030016790 S ECJOEB1C103K AUS 4030016930 S ECJOEB1A104K Except AUS 4550006250 5 TEESVA 1A 106M8R 4030017460 S ECJOEB1E102K 4030016790 S ECJOEB1C103K 4030016790 S ECJOEB1C103K 4030018910 S C1608 JB 0J 475K T 4030016930 S ECJOEB1A104K 4030016790 S ECJOEB1C103K 4030016790 S ECJOEB1C103K UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ
48. Rx only 161 775 02 02 156 100 160 700 20A 157 000 157 000 65A 65A 65A 156 275 156 275 84 84 84 157 225 161 825 03 03 156 150 160 750 21 21 157 050 161 650 66 156 325 160 925 84A 157 225 157 225 03A 156 150 156 150 21A 21A 157 050 157 050 66A 66A 66A 1 156 325 156 325 85 85 85 157 275 161 875 04 156 200 160 800 21b Rx only 161 650 67 67 67 156 375 156 375 85A 157 275 157 275 156 200 156 200 22 157 100 161 700 68 68 68 156 425 156 425 86 86 86 157 325 161 925 05 156 250 160 850 22A 22A 157 100 157 100 69 69 69 156 475 156 475 86A 157 325 157 325 05A 156 250 156 250 23 23 157 150 161 750 703 7031 703 156 525 156 525 87 87 87 157 375 161 975 06 06 06 156 300 156 300 23A 157 150 157 150 71 71 71 156 575 156 575 87A 157 375 157 375 07 156 350 160 950 24 24 24 157 200 161 800 72 72 72 156 625 156 625 88 88 88 157 425 162 025 07A 07A 156 350 156 350 25 25 25 157 250 161 850 73 73 73 156 675 156 675 88A 157 425 157 425 08 08 08 156 400 156 400 25b Rx only 161 850 74 74 74 156 725 156 725 09 09 09 156 450 156 450 26 26 26 157 300 161 900 771 77 777 156 875 156 875 WX channel Frequency MHz 10 10 10 156 500 156 500 27 27 27 157 350 161 950 78 156 925 161 525 Transmit Receive 11 11 11 156 550 156 550 28 28 28 157
49. S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES S RES ERJ2GEJ 332 X 3 3 k ERJ3GEYF 334 V 330 ERJSEKF 1503 V 150 k ERJ2GEJ 331 X 330 ERJ2GEJ 271 X 270 Except ERJ2GEJ 681 X 680 ERJ2GEJ 331 X 330 ERJ2GEJ 271 X 270 Except ERJ2GEJ 681 X 680 ERJ2GEJ 104 X 100 k ERJ2GEJ 104 X 100 ERJ2GEJ 274 X 270 k Except ERJ2GEJ 471 X 470 ERJ2GEJ 333 X 33 k ERJ2GEJ 222 X 2 2 k ERJ2GEJ 184 X 180 k ERJ2GEJ 183 X 18 k ERJ2GEJ 472 X 4 7 k ERJ2GEJ 472 X 4 7 k ERJ2GEJ 563 X 56 k 393V 39 472 4 7 k 272V 2 7 k ERJ2GEJ 104 X 100 k ERJ2GEJ 104 X 100 k ERJ2GEJ 104 X 100 ERJ2GEJ 563 X 56 k ERJ2GEJ 274 X 270 k ERJ2GEJ 473 X 47 ERJ2GEJ 394 X 390 k ERJ2GEJ 103 X 10 k ERJ2GEJ 184 X 180 k ERJ2GEJ 104 X 100 k 1 3 1 ERJ2GEJ 102 X 1 k ERJ2GEJ 152 X 1 5 ERJ2GEJ 330 X 33 ERJ2GEJ 100 X 10 ERJ2GEJ 103 X 10 k ERJ2GEJ 224 X 220 k ERJ2GEJ 104 X 100 k ERJ2GEJ 103 X 10 k ERJ2GEJ 682 X 6 8 k ERJ2GEJ 103 X 10 ERJ2GEJ 103 X 10 k ERJ2GEJ 103 X 10 k ERJ2GEJ 474 X 470 k ERJ2GEJ 102 X 1 k ERJ2GEJ 153 X 15 k ERJ2GEJ 102 X 1 ERJ2GEJ 104 X 100 k ERJ2G
50. SUS SSBC Knob spring NO 7800P Insulated plate GQ 2905 ant plate Screw M2 x 2 Cution seal USA USA 1 onry Sponge IE Speaker 03600803 FG DESCRIPTION Sa zx ck XD mb sES cA sk 7700002690 8930069010 8210022490 8930068430 8950004430 627 462 33 SRCN 2905 SP N W 2905 Reflector 2905 LCD holder Double coated tape O RF UNIT ORDER NO MECHANICAL PARTS AND DISASSEMBLY DESCRIPTION 2260002800 2260002800 6910014690 6910014690 8510016470 8510017520 8410002620 8510017590 8860001400 8930069820 MIC BOARD SW 167 SKQT SW 167 SKQT MPZ16088221A MPZ16088221A 2775 case 2905 VCO cover 2905 PA heatsink 2905 Shield plate 2905 Earth plate Insulation sheet LN ORDER NO DESCRIPTION 8900014800 OPC 1573 6510021941 2465 550 4 68 6910012350 MMZ1608Y102BT 6910012350 MMZ1608Y102BT 6910012350 MMZ1608Y102BT 6910012350 MMZ1608Y102BT VR BOARD REF NO ORDER NO DESCRIPTION QTY R801 7210003130 TP76N97N 13F 10KA 2497 1 Screw abbreviations BO BT Self tapping PH Pan head NI ZU Nickel Zinc ACCESSORIES ORDER NO ZK Black DESCRIPTION Optional produci Optional produci Optional produc Optional produc 8010018080 Optional produc Flexible anten
51. a PCONO W 4 LOW amp 312 T5V 017 91 TXMS 4 2 3 TRANSMIT AMPLIFIERS RF UNIT The VCO output signal is amplified to transmit output power level by the transmit amplifiers The transmit signal from the TX RX switch D50 is applied to the buffer amplifier Q50 The amplified transmit signal is amplified to the transmit output level by the pre driver Q53 and power amplifier Q54 The power amplified transmit signal is passed through the TX power detector of APC circuit D91 antenna switch D52 D90 and D353 are ON TX power detector for transmit indicator D80 and LPF as a harmonic filter L81 L82 C80 C83 C86 C89 C226 before being applied to the antenna connector CHASSIS J1 4 2 1 APC CIRCUIT RF UNIT The APC Automatic Power Control circuit stabilizes trans mit output power to prevent transmit output power level change which is caused by load mismatching or heat effect The APC circuit also selects transmit output power from high middle and low power The power detector circuits D91 detects the transmit output and converts it into DC voltage which is in proportion to the transmit output power level The detected voltage is applied to the differential amplifier IC50 pin 3 The transmit power setting voltage is applied to another input terminal pin 1 as the reference voltage The differential amplifie
52. als are divided at the prescaler and programmable counter according to the SDATA SDATAO signal from the CPU MAIN UNIT 60 pin 10 The divided signal is phase compared with the reference frequency signal which is divided by reference counter at the phase detector The phase difference is output from pin 13 as a pulse type signal after being passed through the charge pump The output signal is converted into the DC voltage lock voltage by passed through the loop filter R8 R10 R22 C10 C11 C24 C25 The lock voltage is applied to the variable capacitors D22 023 of the VCO 021 022 021 023 and locked to keep the VCO frequency constant If the oscillated signal drifts its phase changes from that of the reference frequency causing a lock voltage change to compensate for the drift in the VCO oscillating frequency PLL IC RF UNIT IC1 Y Prescaler Programmable counter DATA interface LPF Buffer Q24 gt to TX RX switch 050 051 PLL control signals from to the CPU MAIN UNIT 1 360 Phase detector Reference counter gt pump Charge to the FM IF IC LPF MAIN UNIT IC170 pin 2 4 4 OTHER CIRCUIT 4 4 1 VOX CIRCUIT MAIN UNIT The VOX circuit toggles TX and RX automatically by detect ing voice signals from the microphone The MIC signals from the external
53. de T Mounted on the Top side B Mounted on the Bottom side S Surface mount RF UNIT ORDER NO DESCRIPTION HN LOCATION BC 166 MAIN UNIT ORDER 4030007020 4030017610 4030017460 4030017460 4030017460 4030017460 6510025120 2260002800 2260002800 6910014690 6910014690 ORDER NO C1608 CH 1H 120J T ECJOEC1H090C ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K ECJOEB1E102K 30RF JMCS G 1B TF SW 167 SKQTLAEO10 SW 167 SKQTLAEO10 216088221 216085221 DESCRIPTION 21 9 4 4 27 6 5 3 27 7 20 4 25 9 30 4 1 5 3 2 7A 2 11 9 20 20 1 39 8 5 1 39 8 15 5 14 9 18 4 13 3 HN LOCATION NO DESCRIPTION H V LOCATION 1190002270 1540000471 1520000651 1790000671 1730002660 1790000671 1790001280 7030003400 7030000020 7030000440 7030000460 7030003940 7030010310 7030003940 7030005250 7030005871 7030004820 7030003560 7030003560 7030005321 4030017420 4030017420 4030017620 6510025140 6510021940 6510021941 8900014800 6910012350 6910012350 6910012350 6910012350 ECJOEC1H470J ECJOEC1H470J ECJOEC1H100C 10FLT SM1 TB 2468 550 4 2465 550 4 68 1158 Except AUS AUS OPC 1573 MMZ1608Y 102BT MMZ1608Y 102BT MMZ1608Y 102BT MMZ1608Y 102BT DESCRIPTION 3 4 2 3 12 5 7 1 6 6 7 7 10 7 2 5 3 4 4 8 5 5 9 6 3 2 8 11 4 6 9 M LoCATION 7030011190 7030011140 7030011140
54. ents in the demodulated AF signals the squelch circuit toggles the AF power amplifier ON and OFF A portion of the demodulated AF signals from the FM IF IC IC170 pin 9 are applied to the D A converter RF UNIT 1C190 pin 13 for level adjustment squelch threshold adjustment The level adjusted AF signals are output from pin 14 and passed through the noise filter R174 R176 C177 C179 C180 The filtered noise signals are then applied to the noise amplifier in the FM IF IC IC170 pins 7 8 to be amplified the noise components only The amplified noise components are converted into the pulse type signal at the noise detector section and output from pin 14 as the NOISV signal The signal is applied to the CPU IC360 pin 32 and the CPU outputs AFVS signal from pin 100 according to the NOISV signal level to the AF power regulator Q230 Q231 Q401 Q540 which toggles the AF power amplifier ON and OFF CIRCUIT 4 2 TRANSMIT CIRCUITS 4 2 1 MICROPHONE AMPLIFIER CIRCUITS MAIN UNIT The AF signals from the microphone MIC signals are filtered and level adjusted at microphone amplifier circuits The AF signals from the microphone are passed through the AF mute switch IC430 pins 1 2 While an external microphone is connected to the SP MIC connector MIC BOARD J416 the mute switch shuts out the AF signals from the internal microphone MC1 AF signals from the AF mute switch IC430 pins 1 2 are
55. eom __________ D as 0 1 4 Enter to Capture NOTE The above screen is an example Each transceiver has its own specific values for each setting D Adjustment condition 2 Reference frequency 3 Transmit output power 4 FM deviation 5 Receive sensitivity Automaticaly 6 Receive sensitivity Manualy 7 Squelch level 8 VOX 5 2 SOFTWARE ADJUSTMENT FREQUENCY Select the adjustment item with 1 keys then set the value with gt keys on the connected MEASUREMENT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT OPERATION Operating CH 16 PC Click the I O check button 1 65 2 65 V Receiving screen the CS M72 ADJ s screen see Verify page 5 3 to open the I O check 4 75 5 75 window as below Verify meter to the antenna connector Transmitting REFERENCE Operating CH 16 Top Loosely couple the frequency 156 8000 MHz FREQUENCY Connect the RF power meter or a 50 Panel counter to the antenna conector Ref Freq dummy load to the antenna connector Transmitting Operating CH 16 1 Connect a dummy load or RF power 1 119 77 7477 78 49 143V 23 069V 109 6D 214V 5 PLL LOCK VOLTAGE 181 85 28132 0 0 000v 67 48 131 255 FF 500V 86 56 169V 68 194v 2 1 434 0 00V 0 000 sa LV 98
56. h While transmitting Input port for PLL unlock signal from the PLL IC IC1 pin 7 High While the PLL is unlocked 4 6 2 D A CONVERTER RF UNIT 190 Description Outputs deviation adjust signal Outputs reference frequency adjust signal Outputs transmit power setting voltage Outputs attenuator RF UNIT D94 switching signal High The attenuator RF UNIT 094 is activated Outputs transmit power setting signal High TX power High or Mid is selected Low TX power LOW is selected Outputs center frequency tracking voltage to the RF UNIT 0131 L97 112 116 Outputs center frequency tracking voltage to the BPF S RF UNIT D130 L96 C104 C109 C110 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION REQUIRED TEST EQUIPMENTS When adjusting IC M72 the optional CS M72 ADJ ADJUSTMENT SOFTWARE Rev 1 0 or later OPC 478 RS 232 type or OPC 478U USB type CLONING CABLE OPC 1028 and JIG cable see page 5 2 are required EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE RF power meter terminated type Frequency counter Measuring range Frequency range Impedance SWR Frequency range Frequency accuracy Sensitivity 0 1 10 100 300 MHz 50 Q Less than 1 2 1 0 1 300 MHz 1 ppm or better 100 mV or better Standard signal generator SSG Oscilloscope Frequency range
57. h is come off simultaneously 2 Removing the MAIN unit D Unscrew 5 screws 2 Disconnect the flat cable E 3 Removing the RF unit D Unscrew 3 screws 2 Unsolder 7 points and remove the RF unit RF UNIT 4 Removing the VR board and MIC board D Remove knob D and connector 8 2 Unscrew connector nut J and VR nut 3 Unsolder 9 points D and remove VR board 4 Remove the VR and MIC board from the chassis MIC BOARD SECTION 4 CIRCUIT DESCRIPTION 4 1 RECEIVE CIRCUITS 4 1 1 ANTENNA SWITCH RF UNIT The received signals from the antenna connector are passed through the antenna switch which toggles the receive RX line and transmit TX line The received signals from the antenna connector are passed through the low pass filter LPF L81 L82 C80 C83 C86 C89 C226 and the antenna switch D52 D90 and D353 are OFF While transmitting the voltage on the T5V line is applied to D52 D90 and D353 and these are ON Thus the TX line is connected to the antenna and RX line is connected to the GND to prevent transmit signal entering While receiving no voltage is applied to D52 D90 and 0353 and these are OFF Thus the TX line and the antenna is disconnected to prevent received signals entering and RX line is disconnected from the GND and L90 L91 C90
58. is disconnected from its power source DO NOT force any of the variable components Turn them slowly and smoothly DO NOT short any circuits or electronic parts An insulated turning tool MUST be used for all adjustments DO NOT keep power ON for a long time when the transceiver is defective DO NOT transmit power into a signal generator or a sweep generator ALWAYS connect a 40 dB to 50 dB attenuator between the transceiver and a deviation meter or spectrum analyzer when using such test equipment READ the instructions of test equipment thoroughly before connecting equipment to the transceiver Icom Icom Inc and logo registered trademarks of Icom Incorporated Japan in the United States the United Kingdom Germany France Spain Russia and or other countries TABLE OF CONTENTS SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION 4 1 4 2 4 3 4 4 4 5 4 6 5 1 5 2 10 11 12 SPECIFICATIONS INSIDE VIEWS DISASSEMBLY INSTRUCTIONS CIRCUIT DESCRIPTION RECEIVER CIRCUITS aient TRANSMITTER taro teret PLL CIRCUITS M OTHER CIRCUITS cote tpe eto rer det ra os eese vou POWER SUPPLY CIRCUITS certet ene retra PORT ALLOCATIONS 2 ADJUSTMENT PROCEDURES PREPARATION T
59. na FA S64V AC adapter BC147A USA USA 1 BC147E SEA SEA 1 BM 95V AUS AUS 1 Li lon battery pack BP 245 Battery charger BC 166 Including two screws Handstrap HK 009 Belt clip MB 103 Including two screws Design is depended on versions MP360 M MP19 C MP27 Unit mm inch zi MP32 C 21 C MP11 C a gem MP13 SE 8 MP26 C S 14 Els i 1 MP23 54 P 37 64 MP16 C X 14 6 64 17 11 4 6 7 764 P MP24 C 1 a C wo 4 42 N 52 J EMI NI 1 22 e pet gt ii Qm 5 L E MP29 C 4 4 11 64 52 5 2 1 16 3 2 18 35 1 3 g Q MAIN UNIT i 27 wes C 4 1 5 p 7 4 4 Q MP29 C MP5 C E MP7 SS UNIT abbreviations 5 CHASSIS PARTS
60. nnected PC adjustment generator to the antenna connector and set as Frequency 156 8000 MHz Level 4 dBu 7111 dBm Modulation 1 kHz Deviation x3 0 kHz Receiving TRANSMIT Operating Top the RF power meter 5 6W OUTPUT POWER RF power panel to the antenna connector Except AUS AUS 1 RF Power High Transmitting 4 7W AUS AUS 1 Operating RF power Transmitting Operating CH RF power Transmitting FM DEVIATION e Operating 16 Top the FM deviation 4 30 4 40 kHz MOD Set the FM deviation meter as panel meter to the antenna con HPF OFF nector through the attenuator LPF 20 kHz De emphasis OFF Detector Connect the audio generator to the MIC SP jack through OPC 973 and set as Frequency 1 kHz Level 25 mV rms Transmitting e Operating 16 PC the ENTER key on the Automatic Set to VOX mode Screen adjustment Push and hold Ink fien push keyboad of the connected PC H L LOCK No audio applied to the SP MIC jack The output level of the standard signal generator SSG is indicated as the SSG s open circuit SECTION 6 MAIN UNIT ORDER NO DESCRIPTION PARTS LIST H V LOCATION MAIN UNIT ORDER NO DESCRIPTION H V LOCATION 1110003201 1110003780 1110005350 1130011770 1110001810 1110001811 1130012430 1110005770 1110
61. operation Input port for remaining battery power Input port for power level detect signal from the transmit power detector RF UNIT D80 Inputo port for the noise level from the FM IF IC 170 pin 14 Input port for RSSI signal from the FM IF IC 170 pin 12 Input port for VCO 021 022 021 023 lock voltage Input port for temperture detection Input port for leaking detection signal Outputs serial crock signal to the EEPROM IC340 pin 6 Outputs serial data to the EEPROM IC340 5 Output R5V line control signal to the R5V regulator Q221 High While receiving Input port for external PTT switch High While the external PTT switch is pushed Outputs transmit mute signal to the transmit mute switch Q351 High While transmitting Outputs mute signal to the AF mute switch IC260 pin 13 High While the squelch is open Outputs AF power amplifier power supply switch control signal High While the audio is emitted from the internal speaker CHASSIS SP1 or external speaker Input port for PTT switch RF UNIT S250 High While PTT switch is pushed t JUSA USA 01 only 4 6 1 CPU MAIN UNIT IC360 continued Description Input port for battery type detect signal Outputs MIC mute signal to the AF mute switch IC430 pin 13 High While transmitting Low While transmitting in VOX operation
62. r compares the detected voltage and reference voltage and the difference of the voltage is output from pin 4 The output voltage controls the bias of the buffer amplifier Q50 pre driver Q53 and power amplifier Q54 to reduce increase the gain of transmit amplifiers for stable transmit output power The change of transmit power is carried out by the change of reference voltage PCON and LOW PLL CIRCUITS 4 3 PLL CIRCUITS 4 3 1 VCO CIRCUIT RF UNIT The VCO 021 022 021 023 generates the both of trans mit signal and LO signals for the 1st IF conversion The VCO output signals are buffer amplified by Q23 and Q24 While transmitting the VCO output signal is applied to the transmit amplifiers via TX RX switch 050 is ON 051 is OFF While receiving the VCO output signals are applied to the 1st mixer Q150 via the TX RX switch D50 is OFF D51 is ON the BPF L26 C122 C123 C130 C131 to be mixed with the received signals to produce the 21 7 MHz 1st IF signal A portion of the VCO output is applied to the PLL IC IC1 pin 19 via the buffer amplifier Q25 and LPF L20 R20 C20 C22 4 3 2 PLL CIRCUIT RF UNIT The PLL circuit provides stable oscillation of the transmit frequency and receive 1st LO frequency The PLL output frequency is controlled by the divided ratio N data from the CPU The buffer amplified signals from the LPF L20 R20 C20 C22 are applied to the PLL IC IC1 pin 19 The applied sign
63. smit 5 V controlled by T5V regulator RF UNIT Q222 using T5VS signal from the CPU IC360 pin 13 The controlled voltage is applied to the transmit circuits RF UNIT differential amplifier IC50 pre driver Q53 power amplifier Q54 microphone amplifier IC8 etc 4 6 PORT ALLOCATIONS 4 6 1 CPU MAIN UNIT IC360 Description Outputs beep sound to the AF circuits Outputs strobe signal to the D A converter RF UNIT 12190 pin 6 Outputs PLL strobe signal to the PLL IC RF UNIT IC1 pin 3 Outputs serial crock signal to the PLL IC RF UNIT IC1 pin 4 D A converter RF UNIT C190 pin 7 Outputs V5V regulator Q220 control signal High While power save mode The VCO Q21 Q22 021 023 is not activated Outputs T5V regulator RF UNIT Q222 control signal Low While transmitting High While receiving or power save mode Outputs LCD contrast select signal Low While Bright is selected High While Dark is selected Outputs backlight LED 05240 05243 05250 05253 control signal to the LED driver 0240 High While the backlight is ON Input port for reset signal from the reset IC IC341 pin 1 Input port for demodulated weather alart WX signal from the AF circuits Input port for external connect detect signal Input port for audio detect signal from the VOX amplifier 431 pin 7 for the VOX
64. type C port dm d to RS 232 7 C Standard signal generator 0 1 uV to 32 mV 127 dBm to 17 dBm CAUTION DO NOT transmit while an SSG is connected to the antenna connector 222023 PCIe X 22232292 UE ol m lt 22 lt 205226252 2 E E Attenuator FM 30 dB or more deviation meter To CLONE line To MIC line BLACK WHITE A RF power meter to the antenna connector To SP line 0 1 10 W 50 RED SINAD meter JIG cable Frequency B counter OPC 1028 1 Speaker 8 0 33 KQ MIC line WHITE EXTMIC OPC 478 U SP line OPC 1028 CLONE line BLACK PC SCREEN EXAMPLE check button dd CS M72 M71 ADJ File View 20M Port Clone Help Cak E 14 Adjust Parameter CH Group USA 16 High 2 g 0 titii WI RF Power High 0 E E ERES 3 Power Mid nnns RF Power Low 0 RF Power E Low 0 HAN AHH a ei EE RC ERES D CNET mnm pee Rees 5 ma BPF ALL Sweep Enter to Sweep BPF T1 0 Raa Enter to Sweep 0 data Enter to Sweep M eee g
65. z to 3000 Hz Microphone impedance Receive system Intermediate frequency 2 Double conversion super heterodyne 1st 21 7 MHz 2nd 450 kHz Sensitivity 13 dBu typ at 12 dB SINAD Squelch sensitivity 9 dBu typ at threshold Adjacent channel selectivity 70 dB typ Spurious response 70 dB typ Intermodulation rejection ratio 70 dB typ Hum and Noise 40 dB Audio frequency response Audio output power Internal speaker 1 dB to 3 dB of 6 dB oct from 300 Hz to 3000 Hz 0 6 W typ at 1096 distortion with an 8 load External speaker 0 35 W typ at 10 distortion with an 8 Q load Output impedance audio Specifications are measured in accordance with 603 stated specifications are subject to change without notice or obligation CHANNEL LISTS Channel number Frequency MHz Channel number Frequency MHz Channel number Frequency MHz Channel number Frequency MHz USA INT Transmit Receive USA INT Transmit Receive USA INT CAN Transmit Receive USA INT Transmit Receive 01 01 156 050 160 650 19A 19A 156 950 156 950 64A 64A 156 225 156 225 83A 83A 157 175 157 175 01A 156 050 156 050 20 20 20 157 000 161 600 65 156 275 160 875 83b
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