Icom ic-2730A User Manual Download

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S-15120XZ-C1
March 2015

DUAL BAND TRANSCEIVER

Summary of Contents for ic-2730A

Page 1: ...S 15120XZ C1 March 2015 DUAL BAND TRANSCEIVER ...

Page 2: ...10003491 S IC TA31136FNG IC 2730A MAIN UNIT 5 pieces 8820001210 Screw 2438 screw IC 2730E Top cover 10 pieces Addresses are provided on the inside back cover for your convenience ORDERING PARTS 1 Make sure that the problem is internal before dis assem bling the transceiver 2 DO NOT open the transceiver until the transceiver is dis connected from its power source 3 DO NOT force any of the variable ...

Page 3: ...1 4 2 TRANSMIT CIRCUITS 4 5 4 3 FREQUENCY SYNTHESIZER CIRCUITS 4 7 4 4 VOLTAGE BLOCK DIAGRAM 4 8 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 FREQUENCY ADJUSTMENT 5 3 5 3 TRANSMIT ADJUSTMENT 5 3 5 4 RECEIVE ADJUSTMENT 5 5 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS SECTION 8 BOARD LAYOUTS SECTION 9 BLOCK DIAGRAM SECTION 10 VOLTAGE DIAGRAM ...

Page 4: ... Tone scans Antenna connector SO 239 Antenna impedance 50 ø Usable temperature range 10 C to 60 C 14 F to 140 F Frequency stability 2 5 ppm 10 C to 60 C 14 F to 140 F Frequency resolution 5 kHz 6 25 kHz 8 33 kHz 10 kHz 12 5 kHz 15 kHz 20 kHz 25 kHz 30 kHz 50 kHz The 8 33 kHz step is not selectable depending on the operating band or mode Power supply 13 8 V DC 15 negative ground Current drain Trans...

Page 5: ... Except Amateur bands FM FM N 12 dB SINAD 0 32 µV 137 000 159 995 MHz 0 56 µV 160 000 174 000 MHz 0 56 µV 375 000 399 995 MHz 0 32 µV 400 000 499 995 MHz 0 56 µV 500 000 550 000 MHz AM 10 dB S N 1 µV 118 000 136 99166 MHz Squelch sensitivity 0 13 µV Threshold Selectivity FM 60 dB FM N 55 dB Spurious and image rejection ratio 60 dB 55 dB Left band UHF AF output power 2 0 W at 10 distortion into an ...

Page 6: ...2 1 SECTION 2 INSIDE VIEWS CONTROL UNIT RESET IC IC5 3 3 V REGULATOR IC7 CLONING DATA LINE BUFFER IC102 LCD DRIVER IC2 CPU IC1 3 3 V REGULATOR IC6 ...

Page 7: ...20 1ST IF FILTER Right band FI104 AF SW IC109 ELECTRONIC VOLUME IC IC110 3 3 V REGULATOR IC314 D A CONVERTER IC1 1ST IF FILTER Right band FI105 EXPANDER IC316 IF IC Left band IC121 NOISE AMP Right band IC122 NOISE AMP Left band IC123 EXPANDER IC317 MIC AMP IC101 AND LOGIC GATE IC IC108 CLONING DATA LINE BUFFER IC312 AF LINE MUTE SW IC111 5 V REGULATOR IC319 EEPROM IC301 RESET IC IC308 ...

Page 8: ... IC321 REFERENCE FREQUENCY OSCILLATOR Right band X201 PLL IC Right band IC206 2ND IF FILTER Right band FI100 2ND IF FILTER Right band FI101 DISCRIMINATOR Right band X101 2ND IF FILTER Left band FI102 2ND IF FILTER Left band FI103 AF LINE SW IC119 DISCRIMINATOR Left band X102 REFERENCE FREQUENCY OSCILLATOR Left band X200 CLOCK OSCILLATOR X300 VOLTAGE DETECTOR IC IC320 VOLTAGE DETECTOR IC IC324 3 3 ...

Page 9: ...Rear panel 4 Remove the CONTROL UNIT from the front panel Front panel CONTROL UNIT 2 Removing the MAIN UNIT 1 Remove eight screws from the top cover 2 Remove the top cover from the chassis Top cover CHASSIS Screws 8 3 Disconnect the speaker cable from the MAIN UNIT 4 Remove the clip from the chassis SPEAKER CABLE Speaker CHASSIS Clip 5 Remove seven screws from the bottom cover CHASSIS Bottom cover...

Page 10: ...points at the antenna connector 7 Disconnect the cooling fan cable Solder remover COOLING FAN CABLE UNSOLDER 8 Remove total of 17 screws from the MAIN UNIT Screws 17 9 Remove the MAIN UNIT from the chassis MAIN UNIT CHASSIS ...

Page 11: ...UHF band signal from the LPF L90 L94 L96 C409 C418 and C428 is passed through the HPF L84 L88 C392 C395 and C429 TX RX SW D68 D73 D75 D84 L86 L92 C387 C396 and C413 and applied to the PRE AMP Q23 Left band The amplified signal is passed through the attenuator D32 and tuned BPF D22 D24 D26 D30 L21 L28 and L101 and applied to the RF AMP Q18 The amplified signal is passed through the tuned BPF D12 D1...

Page 12: ...eft band 2nd IF circuit Right band 2nd IF circuit 46 35MHz 38 85MHz Q137 FI104 Q138 FI105 Q144 Q146 Q143 Q145 D119 D120 D121 D122 2ND IF CIRCUITS Left band IC121 is an IF IC which contains the 2nd mixer limiter AMP noise AMP quadrature detector AM detector AGC controller signal strength detector and so on The 1st IF signal from the 1st IF AMP Q138 and 38 4 MHz 2nd LO signal are mixed resulting in ...

Page 13: ...r in the IF IC IC120 The demodulated AF signal is output from pin 14 and then applied to the AF circuits through the AF SW IC119 pins 4 3 In the AM mode the AGC circuit in the IF IC automatically adjusts the gain of RF AMPs Q17 and Q19 and 1st IF AMP Q137 to keep the signal level constant The demodulated AF signal is applied to the RX AF circuit 2ND IF AND DEMODULATOR CIRCUITS Left band BPF CERAMI...

Page 14: ...ects the AF signal from Left and Right bands When output from EXTERNAL SPEAKER JACK1 The output signal from the AF SW IC109 is passed through the AF MUTE SW Q104 and Q105 and applied to the AF AMP IC105 pin 1 The amplified AF signal is applied to the internal speaker CHASSIS SP1 or an external speaker through EXTER NAL SPEAKER JACK1 J101 When output from EXTERNAL SPEAKER JACK2 The output signal fr...

Page 15: ... 4 and then applied to the modulation circuit as the modulation signal TX AF CIRCUIT D A Splatter LPF HPF J100 1 2 3 4 5 6 7 8 LPF IDC MIC AMP BUFF MIC GAIN SW J101 1 2 3 4 5 6 7 8 MIC AMP MUTE SW MIC RPT RPT Left band RX signal Right band RX signal SW BTMIC From the optional unit 5 3 6 1 4 2 CONTROL UNIT MAIN UNIT MIC J6 IC307 Q151 Q152 IC101 IC112 IC100 IC112 IC104 IC103 IC102 MIC MIC 8V MICE PT...

Page 16: ... and HPF L84 L88 C391 C392 C395 C402 C429 and C430 and LPF L90 L94 L96 C409 C418 and C428 before be ing applied to the antenna APC CIRCUITS VHF BAND A portion of RF signal is rectified by the power detector di odes D59 and D63 at the LPF L67 L68 C291 C297 C301 C302 C326 C331 and C332 and the produced DC voltage which represents the TX power level is used as the TX power sensing voltage The TX powe...

Page 17: ... 15 511 15MHz PLL The PLL circuit controls the VCO oscillating frequency by comparing the reference signal and the fed back VCO sig nal When the oscillation frequency drifts its phase changes from that of the reference frequency causing a lock voltage change to compensate for the drift in the VCO oscillating fre quency Left band A portion of VHF and UHF VCOs output signal is ampli fied by the buff...

Page 18: ...NHV REG IDET DETECT CURRENT NOISE FILTER REG VT8 REG 3 3V UTX_C VTX_C I SENS 3 3V 8V BT3 3V BT3V REG UT8 VT8 1 3 5 4 6 2 HV LOW VOLTAGE DETECTOR PDV ALARM To the optional unit To CPU 5 3 6 1 4 2 8V 8V CONTROL UNIT MAIN UNIT IC310 Q306 IC313 Q301 Q308 IC320 IC324 IC306 D333 IC311 D325 D332 IC314 IC319 Q32 Q34 Q27 Q28 J300 IC6 8V VCC Q302 SW IC325 VCC VCC2 8VS IC321 CONT8V IC7 REG 3 3V CTRL3V SW3C R...

Page 19: ...dBm AC millivoltmeter Measuring range 10 mV to 10 V Audio generator AG Frequency range 300 3000 Hz Output level 1 500 mV Attenuator Attenuation 40 dB Capacity More than 60 W 5 1 PREPARATION 8 pin modular jack q iuytrew q w e r t y u i 8V MICU D EXTMIC PTT MICE MIC GND MICIN y MIC w MICU D u GND r PTT u GND t MICE AUDIO GENERATOR 300 3000 Hz 1 500 mV 22 kΩ AC MILLIVOLTMETER 10 mV to 10 V PTT JIG ca...

Page 20: ...rn ON the power JIG cable Main unit front view DUP MONI Selects the next adjustment item Adjustment item name Indicates that the item is currently adjusted on this side of frequency Adjustment value LOW DTMF Selects the previous adjustment item MW Stores the set value For the manual adjustments Adjusts the value for the item For the automatic adjustments DIAL Adjusts the value for the item For the...

Page 21: ...re the adjustment value 50 W BAND HIGH PH 2 Mid power BAND LOW PL MID 3 15 W 22 W TPE 01 BAND HIGH PH MID 4 Low power BAND LOW PL LOW 5 5 W BAND HIGH PH LOW 6 UHF Hi power BAND LOW PL 7 50 W BAND HIGH PH 8 Mid power BAND LOW PL MID 9 15 W 22 W TPE 01 BAND HIGH PH MID 10 Low power BAND LOW PL LOW 11 5 W BAND HIGH PH LOW 12 DEVIATION LEFT BAND BAND LOW FM dE 1 1 Connect a modulation analyzer to the ...

Page 22: ...E NAR 6 2 0 kHz RIGHT BAND BAND LOW FM rdE 7 4 0 kHz FM N rdE NAR 8 2 0 kHz BAND CENTER FM rdE 9 4 0 kHz FM N rdE NAR 10 2 0 kHz BAND HIGH FM rdE 11 4 0 kHz FM N rdE NAR 12 2 0 kHz TONE DEVIATION CTCSS Left band CtC 1 1 Connect a modulation analyzer to the antenna connector through an attenuator and then set it as HPF OFF LPF 20 kHz De emphasis OFF Detector P P 2 2 No audio signal is applied to th...

Page 23: ...y displayed on the controller Push MW Automatic adjustment RIGHT BAND 5 173 980 MHz LEFT BAND bP3 6 Set the SSG as Frequency 173 980 MHz Push MW Automatic adjustment RIGHT BAND 7 375 020 MHz LEFT BAND bP4 8 Set the SSG as Frequency 375 020 MHz Push MW Automatic adjustment RIGHT BAND 9 420 020 MHz LEFT BAND bP5 10 Set the SSG as Frequency 420 020 MHz Push MW Automatic adjustment RIGHT BAND 11 449 9...

Page 24: ... Right band S33 17 Left band SF3 18 Set the SSG as Level 10 dBµ 97 dBm Right band SF3 19 435 020 445 020 MHz FM mode Left band S14 20 Set the SSG as Frequency Set the same frequency displayed on the controller Level 6 dBµ 113 dBm Push MW Automatic adjustment Right band S14 21 Left band S34 22 Set the SSG as Level 0 dBµ 107 dBm Right band S34 23 Left band SF4 24 Set the SSG as Level 10 dBµ 97 dBm R...

Page 25: ...roperly 127 020 MHz AM mode Left band Sq1 1 Connect a 50 dummy load to the antenna connector Push MW Automatic adjustment Right band Sq1 2 AM N mode Left band Sq1 NAR 3 Right band Sq1 NAR 4 145 020 146 020 MHz FM mode Left band Sq2 5 Right band Sq2 6 FM N mode Left band Sq2 NAR 7 Right band Sq2 NAR 8 387 020 MHz FM mode Left band Sq3 9 Right band Sq3 10 FM N mode Left band Sq3 NAR 11 Right band Sq...

Page 26: ... RES ERJ2GEJ 272 X 2 7K T 129 3 34 9 R105 7030009140 S RES ERJ2GEJ 272 X 2 7K T 22 1 36 2 R106 7030005120 S RES ERJ2GEJ 102 X 1K B 74 6 10 3 R124 7030005090 S RES ERJ2GEJ 104 X 100K B 53 1 15 0 R125 7030005040 S RES ERJ2GEJ 472 X 4 7K B 83 7 14 9 R126 7030005240 S RES ERJ2GEJ 473 X 47K B 72 6 15 4 R127 7030007290 S RES ERJ2GEJ 222 X 2 2K B 74 3 17 4 C1 4030016790 S CER C1005 JB 1E 103K T B 62 7 13...

Page 27: ...530002601 S TRA 2SC4215 O TE85RF T 51 5 42 3 Q139 1590004090 S TRA LDTC114YET1G SLVJ T 106 5 54 4 Q140 1590004090 S TRA LDTC114YET1G SLVJ T 99 3 54 5 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount REF PARTS DESCRIPTION M H V NO NO LOCATION MAIN UNIT Q141 1590004050 S TRA LDTA144EET1G SLVJ T 19 8 21 6 Q142 1590004050 S TRA LDTA144EET1G SLVJ T 60 8 21 6 Q143 15...

Page 28: ... T 67 4 56 2 L315 6200013820 S COI MLK1005S27NJT T 60 6 56 8 L316 6200010991 S COI ELJRF 47NJFB T 67 4 57 8 L324 6200004480 S COI MLF1608D R82K T B 29 3 30 2 L325 6200003540 S COI MLF1608D R22K T B 28 5 28 0 L326 6190002030 S COI MLG1608S 1R0J T T 43 0 27 8 REF PARTS DESCRIPTION M H V NO NO LOCATION MAIN UNIT D91 1720000701 S VAR 1SV305 TPL3F T 42 1 67 0 D92 1720000701 S VAR 1SV305 TPL3F T 36 6 66...

Page 29: ...05160 S RES ERJ2GEJ 105 X 1M T 111 0 21 5 R327 7030005170 S RES ERJ2GEJ 474 X 470K T 34 0 11 3 R328 7030005090 S RES ERJ2GEJ 104 X 100K T 119 8 16 4 R335 7030007340 S RES ERJ2GEJ 153 X 15K T 29 7 4 0 R343 7030005110 S RES ERJ2GEJ 224 X 220K T 31 4 4 0 R344 7030007290 S RES ERJ2GEJ 222 X 2 2K T 125 0 12 9 REF PARTS DESCRIPTION M H V NO NO LOCATION MAIN UNIT L327 6190002030 S COI MLG1608S 1R0J T T 4...

Page 30: ... S RES ERJ2GEJ 683 X 68K T 105 1 8 7 R609 7030005100 S RES ERJ2GEJ 154 X 150K T 109 8 11 1 R610 7030007350 S RES ERJ2GEJ 393 X 39K T 107 5 8 7 R611 7030005100 S RES ERJ2GEJ 154 X 150K T 96 1 24 5 REF PARTS DESCRIPTION M H V NO NO LOCATION MAIN UNIT R348 7030007290 S RES ERJ2GEJ 222 X 2 2K T 117 2 10 1 R352 7030008010 S RES ERJ2GEJ 123 X 12K T 133 1 104 5 R354 7030000100 S RES MCR10EZHJ 4 7 4R7 T 1...

Page 31: ... 1M B 132 0 49 1 R951 7030005090 S RES ERJ2GEJ 104 X 100K B 134 8 43 5 R955 7030005220 S RES ERJ2GEJ 223 X 22K B 133 0 43 5 R991 7030005720 S RES ERJ2GEJ 563 X 56K T 126 3 28 3 REF PARTS DESCRIPTION M H V NO NO LOCATION MAIN UNIT R612 7030005090 S RES ERJ2GEJ 104 X 100K T 97 9 25 6 R613 7030007290 S RES ERJ2GEJ 222 X 2 2K T 100 9 10 9 R614 7030005100 S RES ERJ2GEJ 154 X 150K T 107 5 9 6 R615 70300...

Page 32: ...JB 1A 104K T T 43 7 52 2 C228 4030017460 S CER C1005 JB 1H 102K T T 29 6 50 9 C229 4030017460 S CER C1005 JB 1H 102K T B 28 4 36 5 C230 4030017460 S CER C1005 JB 1H 102K T B 29 7 38 0 C232 4030017640 S CER C1005 CH 1H 150J T B 31 8 36 5 C233 4030017460 S CER C1005 JB 1H 102K T B 75 3 39 3 REF PARTS DESCRIPTION M H V NO NO LOCATION MAIN UNIT R992 7030005090 S RES ERJ2GEJ 104 X 100K T 124 8 23 0 R99...

Page 33: ...9 4030017460 S CER C1005 JB 1H 102K T T 108 2 54 4 C622 4030017460 S CER C1005 JB 1H 102K T T 96 1 46 8 C623 4030017460 S CER C1005 JB 1H 102K T T 95 7 44 7 C627 4030017460 S CER C1005 JB 1H 102K T T 108 2 56 5 C628 4030017460 S CER C1005 JB 1H 102K T T 101 0 56 5 C634 4030020000 S CER C1005 JB 1A 105K T T 103 1 61 5 C635 4030020000 S CER C1005 JB 1A 105K T T 96 0 61 5 REF PARTS DESCRIPTION M H V ...

Page 34: ...28 4550007390 S TAN F931C225MAABMA B 85 4 19 1 C930 4550007550 S TAN F931V334MAABMA T 88 8 22 9 C932 4030017460 S CER C1005 JB 1H 102K T T 89 6 24 5 C935 4030017460 S CER C1005 JB 1H 102K T B 83 2 30 5 REF PARTS DESCRIPTION M H V NO NO LOCATION MAIN UNIT C637 4030018920 S CER C1005 JB 1H 392K T T 107 7 59 5 C638 4030018920 S CER C1005 JB 1H 392K T T 100 5 59 5 C643 4030018080 S CER C1005 JB 1H 182...

Page 35: ...30016930 S CER C1005 JB 1A 104K T T 98 7 65 0 C1306 4030016930 S CER C1005 JB 1A 104K T T 46 1 13 6 C1307 4030016930 S CER C1005 JB 1A 104K T T 53 2 13 7 C1308 4030016930 S CER C1005 JB 1A 104K T T 39 8 13 7 C1309 4030017460 S CER C1005 JB 1H 102K T T 47 0 13 6 REF PARTS DESCRIPTION M H V NO NO LOCATION MAIN UNIT C936 4030019560 S CER GRM21BB31C106KE15L B 86 3 39 7 C937 4030017460 S CER C1005 JB 1...

Page 36: ...0 C1505 4030017460 S CER C1005 JB 1H 102K T T 126 7 12 9 J1 6510014961 S CON B2B ZR SM4 TF LF SN T 90 2 118 2 J100 6510023110 CON 3008L 8P8C KIN J101 6450001440 CON HSJ1403 01 010 J102 6510025940 CON PJ 3047S XIN J103 6510014961 S CON B2B ZR SM4 TF LF SN B 123 4 80 5 J300 6510025950 CON PCB 606 6P6C BLACK VKH J301 6510029570 S CON 20P5 0 JMCS G B TF N T 130 1 21 4 W1 7030014230 JUM RJ20S0OHM W300 ...

Page 37: ...TNN013601 01 RYOYO 1 S14 2250000790 EC12E24204A9 1 S15 2250000790 EC12E24204A9 1 EP15 8930091410 SRCN 3598 SP N W SHJ 1 MP1 8210030360 3598 FRONT PANEL 1 MP3 8210030450 3598 REAR PANEL ASSEMBLY 1 MP4 8210030380 3598 REFLECTOR 1 MP5 8930091190 3598 LCD PLATE Y1338 1 MP6 8930091310 3598 LCD FILTER 1 MP7 8610015560 KNOB N 428 2 MP9 8610011170 KNOB N290 4 MP11 8930091160 3598 C KEY 1 MP12 8930091170 3...

Page 38: ...T MP17 CHASSIS 8930085740 MP3 CHASSIS 8110010790 MP8 CHASSIS 4 8810009611 W300 MAIN 8900016020 J1 CHASSIS 6510004881 MP11 CHASSIS 2 8810008661 MP20 CHASSIS Refer to the list MP14 CHASSIS 8930069590 MP22 CHASSIS Refer to the list CONTROL UNIT MP13 CONTROL 8930091180 MP9 CONTROL 8610011170 MP4 CHASSIS 8110010750 W1 CHASSIS 8600037590 MP15 CHASSIS 8930091690 MP214 MAIN 8510016461 MP208 MAIN 851001935...

Page 39: ...DS17 EP3 EP4 EP5 EP6 EP7 EP8 EP100 EP101 EP102 EP103 EP104 EP105 EP106 EP107 J6 J101 R3 R7 R45 R46 R47 R48 R50 R51 R104 R105 S14 S15 H0 H5 H10 H15 H20 H25 H30 H35 H40 H45 H50 H55 H60 H65 H70 H75 H80 H85 H90 H95 H100 H105 H110 H115 H120 H125 H130 H135 H140 V0 V5 V10 V15 V20 V25 V30 V35 V40 CONTROL UNIT B 8145B TOP VIEW ...

Page 40: ...2 R43 R44 R52 R53 R54 R55 R56 R57 R58 R59 R60 R61 R62 R63 R64 R70 R71 R72 R73 R74 R75 R76 R77 R84 R85 R86 R91 R92 R93 R94 R95 R96 R97 R103 R106 R124 R125 R126 R127 B 8145B H0 H5 H10 H15 H20 H25 H30 H35 H40 H45 H50 H55 H60 H65 H70 H75 H80 H85 H90 H95 H100 H105 H110 H115 H120 H125 H130 H135 H140 V0 V5 V10 V15 V20 V25 V30 V35 V40 CONTROL UNIT B 8145B BOTTOM VIEW RX_DATA TX_DATA 8V GND MICE MIC 8V MIC...

Page 41: ...19 J1 J301 L3 L4 L10 L11 L12 L15 L16 L17 L18 L21 L22 L23 L24 L27 L28 L31 L32 L33 L34 L37 L38 L40 L44 L45 L47 L50 L51 L85 L92 L99 L100 L101 L102 L200 L201 L205 L206 L207 L208 L209 L210 L211 L212 L213 L214 L215 L302 L303 L304 L305 L306 L307 L309 L310 L311 L313 L314 L315 L316 L326 L327 L328 L329 L330 L331 L333 L334 L335 L336 L337 L338 L339 L343 L344 L346 L347 L350 L351 L352 L353 MP200 MP202 MP203 MP2...

Page 42: ...332 D333 D338 D342 EP200 EP201 EP202 EP304 EP305 EP324 FI100 FI101 FI102 FI103 IC2 IC104 IC105 IC106 IC119 IC201 IC202 IC206 IC207 IC300 IC306 IC310 IC311 IC313 IC320 IC321 IC324 IC325 J100 J101 J102 J103 J300 L9 L52 L53 L55 L57 L58 L60 L62 L64 L65 L67 L68 L69 L73 L76 L79 L80 L81 L83 L84 L86 L87 L88 L90 L94 L96 L300 L301 L324 L325 Q36 Q37 Q38 Q40 Q41 Q46 Q48 Q100 Q106 Q131 Q132 Q133 Q134 Q150 Q153...

Page 43: ...SQL SELECTOR WIDE NARROW L_SQLIN L_RSSI R_RSSI R_SQLIN L_WXALT L_DTCSIN R_DTCSIN R_WXALT L_DET R_DET D A D A PCON_V PCON_U 8V R_VCOSHIFT R_PLLSW 400 470MHz 137 174MHz R_LV L_PLLSW L_VCOSHIFT 12 8MHz 8V R_UHF R_VHF L_UHF L_VHF LVCO L_LV L_AGC R_AGC Q226 Q229 Q230 Q231 Q221 IC207 Q222 X201 IC206 Q220 Q206 Q208 Q209 Q212 Q201 IC202 Q202 X200 IC201 Q200 Q213 Q215 D208 Q211 Q210 Q214 Q240 Q234 Q236 D23...

Page 44: ... D100 IC101 IC101 IC315 IC316 IC317 IC308 IC112 IC104 IC112 IC100 IC112 IC312 Q304 Q305 D327 CLIN CLOUT IC106 IC108 L_AFMUTE R_AFMUTE Q106 IC105 Q104 Q105 IC109 AF_SW AF_RSW IC107 IC104 IC103 IC102 IC205 IC205 IC110 IC111 Q112 Q139 Q113 Q140 KEY BACK LIGHT R VOLV L VOLV R7 R51 R50 L SQLV R SQLV R3 LOW MONI L_V_MHz MW R_V_MHz L_M CALL L_BAND POWER R_M CALL R_BAND MENU IC5 IC6 GND MICE MIC RX_DATA T...

Page 45: ...FM 32 P20 ANI0 AVREFP 33 P130 34 P01 TO00 RxD1 TRGCLKB TRJIO0 35 P00 TI00 TxD1 TRGCLKA TRJO0 36 P140 PCLBUZ0 INTP6 37 P120 ANI19 VCOUT0 38 P41 TRJIO0 39 P40 TOOL0 40 RESET 41 P124 XT2 EXCLKS 42 P123 XT1 43 P137 INTP0 44 P122 X2 EXCLK 45 P121 X1 46 REGC 47 VSS 48 VDD 1k R76 2SA1832 Q7 0 1 C82 EP104 EP106 EP105 R59 12k KEY S9 1k R74 0 1 C81 4 7k R85 KEY S7 KEY S4 1 C64 KEY S8 4 7k R75 NJM2746V IC102...

Page 46: ...001 C221 15P C371 0 001 C241 0 001 C407 0 001 C209 MPZ1608S221A EP1 R194 270 VTX_C 0 001 C306 AS100340 L96 R147 39 AS100340 L90 L76 1U 5P C387 D62 LRB706F D63 LRB706F 33P C381 1k R236 AS080340 L69 680k R215 R156 15 33P C267 0 001 C379 JDP2S12CR D73 0 001 C383 0 001 C210 0 001 C304 2SA1362 Q28 1SV308 D50 4P C395 R224 22k 330k R256 PRF18 R234 0 001 C238 39N L52 AS080340 L86 R164 3 9k L67 AS080647 15...

Page 47: ...305 D19 0 001 C85 100k R69 Q22 2SC4738 1SV305 D20 0 001 C164 R_VR5C 8V 0 001 C180 1SV305 D27 R_UR5C 3SK293 Q24 100k R15 0 001 C51 1SV305 D28 L40 C2012C R_VRF 1SV305 D85 DA_CK 0 001 C158 1SV305 D86 C95 0 001 1SV305 D87 0 001 C62 100k R74 1SV305 D88 100k R70 0 001 C421 100P C79 C90 0 001 0 001 C48 100k R65 100P C57 0 R42 10 3N L22 100k R28 0 001 C64 1 8k R78 C119 100P 0 001 C173 0 001 C86 Q19 3SK293...

Page 48: ...417 R411 27k R412 27k MIC CMICMUTE 100P C857 390P C855 R644 10k C523 0 1 R645 39k 0 01 C520 100k R612 0 047 C862 22k R607 R632 39k 2 2k R613 68k R608 R628 100k R627 3 9k 0 0039 C856 10 C522 470 R772 10 C519 0 068 C860 C521 0 033 C540 0 068 0 0056 C861 15k R774 0 033 C866 0 001 C534 0 1 C538 R335 15k 1 C525 R2A20178 IC102 1 VIN2 2 VDD 3 LD 4 CLK 5 DI 6 VIN3 7 VOUT3 8 VOUT4 9 VIN4 10 VIN5 11 VOUT5 1...

Page 49: ... 100k 10k R468 LTWC450H FI100 I O TC74VHC4066AFK IC119 4 A 3 B 5 C 47k R522 10 C766 C781 0 001 0 1 C708 0 1 C729 R546 47 0 001 C787 10k R575 LTWC450E1 FI101 I O C713 0 1 C703 0 033 LRB706F D117 D106 DA2S10100L 470 R559 LMV321IDCK IC122 1 2 3 4 5 R491 68k 0 1 C726 C702 0 01 LRB706F D113 PCON_U 0 1 C695 R505 68k TC74VHC4066AFK IC119 1 A 2 B 13 C 1k R557 0 01 C791 R498 100k R_AGC Q134 2SC4738 0 01 C7...

Page 50: ...001 C1027 0 22 C1039 2 2M R811 100k R813 0 001 C1012 0 1 C1035 0 001 C1034 L_MODMUTE C1047 0 1 22P C1105 R843 4 7k 27k R789 REFMOD C1023 0 01 0 001 C1099 Q220 2SC4738 8P C1020 L330 C2012H 0 001 C1000 C2012H L331 R854 4 7k 1k R791 0 001 C1061 3 3k R810 270 R830 3 5P C1068 R_LV R845 4 7k 0 001 C1086 10P C1071 L328 C2012H R825 47k 4 7k R842 3P C1089 BBY57 D223 R788 22k 1SV323 D226 R786 680k R782 1M R...

Page 51: ...7k R727 0 001 C941 0 001 C945 L306 C2012H D207 L1SS400 27k R707 18P C953 C2012H L307 390 R717 0 1U L309 820 R719 0 22U L311 1SV323 D228 22P C992 39N L310 47 R738 10P C970 1SV323 D203 4P C908 0 33 C930 R756 180 BBY57 D201 0 1 C926 0 001 C999 3P C967 BBY57 D202 R757 4 7k 3 5P C944 10P C913 L_REF 10P C949 0 001 C960 0 001 C1007 820 R743 0 1 C919 0 001 C927 1SV323 D204 0 001 C954 0 001 C991 2 2M R812 ...

Page 52: ...K L_LV DA_CK CLONE 8V R_R5C 5VS 0 001 C1328 R_PLLSTB PLLDATA HV L1SS400 D325 VOL_DATA 1 C1293 0 001 C1277 MIC1 100k R932 SN74LVC2GU04DCKR IC312 1 1A 2 GND 3 2A 4 2Y 5 VCC 6 1Y 0 003 R1002 R_RSSI 0 R1086 0 R1087 0 1 C1331 NJU7704F3 IC320 1 CD 2 VSS 3 MR 4 VOUT 5 VDD 0 027 C1332 0 001 C1321 MIC CMICMUTE 0 33 C1343 NJU7704F3 IC324 1 CD 2 VSS 3 MR 4 VOUT 5 VDD 0 027 C1346 INA199B1DCK IC310 1 REF 2 GND...

Page 53: ...PB3 AN3 99 PB4 AN4 100 PB5 AN5 R910 4 7k R911 4 7k DMG504010 Q307 1 2 3 4 5 6 4 7k R1088 4 7k R1089 1k R1091 10k R1092 47P C1202 47k R1093 10k R1090 10k R1094 100k R1115 100k R1095 1k R1096 0 0047 C1203 0 0047 C1204 0 0047 C1205 0 0047 C1207 R1097 1k R1098 0 0047 C1213 0 0047 C1212 0 0047 C1211 0 0047 C1208 R1099 1k R1101 1k R1100 0 0047 C1210 0 0047 C1209 0 0047 C1215 0 0047 C1214 LRB706F D339 0 ...

Page 54: ...19 Glenwood Centre 150 6165 Highway 17A Delta B C V4K 5B8 Canada Phone 1 604 952 4266 Fax 1 604 952 0090 URL http www icomcanada com E mail info icomcanada com Unit 1 103 Garden Road Clayton VIC 3168 Australia Phone 61 03 9549 7500 Fax 61 03 9549 7505 URL http www icom net au E mail sales icom net au No 101 Building 9 Caifuxingyuan Park No 188 Maoting Road Chedun Town Songjiang District Shanghai 2...

Page 55: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 15120XZ C1 2015 Icom Inc ...

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Icom ic-2730A, Service Manual

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