Icom IC-2SET Service Manual Download | Manualshive

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Summary of Contents for IC-2SET

Page 1: ...o ICOM SERVICE MANUAL 144MHz FM TRANSCEIVER Downloaded by RadioAmateur EU loom Inc...

Page 2: ...llowing 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 1150000730 1C SCI 09...

Page 3: ...5 1 5 2 CHASSIS PARTS 5 2 SECTION 6 ADJUSTMENT PROCEDURES 6 1 5 6 1 PREPARATION BEFORE SERVICING 6 1 6 2 PLL ADJUSTMENT 6 2 6 3 RECEIVER ADJUSTMENT 6 3 6 4 TRANSMITTER ADJUSTMENT 6 4 SECTION 7 BOARD L...

Page 4: ...00 MHz Specifications apply to only 144 00 148 00 MHz F3 FM 5 10 12 5 15 20 25 and 50 kHz 48 plus a call channel 50 0 6 16 V DC negative ground or battery packs BP 81 BP 85 or battery case BP 90 Recei...

Page 5: ...DET UNIT Power module IC1 SC1096 Microphone amplifier circuit MIC UNIT PLL circuit PLL UNIT Internal NiCd battery BT1 P 03ER F23G1 Charging circuit PRT UNIT LOGIC UNIT CPU clock XI CSB800J220 798 642...

Page 6: ...DET UNIT I main unit SECTION 3 BLOCK DIAGRAM 3 1 LOGIC UNIT...

Page 7: ...nal from the PLL UNIT to produce a 30 875 MHz 1st IF signal 4 1 4 1 ST IF CIRCUIT MAIN AND DET UNITS After passing through the matching circuit LI the 1st IF signal is applied to a pair of crystai fil...

Page 8: ...nal decoded at the output expander IC1 on the 10 UNIT activates the AF mute circuit 03 on the AF UNIT to cut the AF signal The BUSY LED signal is applied to 01 on the LOGIC UNIT turning OFF the receiv...

Page 9: ...escaler IC1 directly generates the transmit frequency with the Tx VCO Q2 and the 1st LO frequency with the Rx VCO 01 The modulus prescaler IC1 sets the dividing ratio based on serial data from the CPU...

Page 10: ...S ICS controls R t 5S regulator 05 Q6 D2 R 5S turns OFF during power saved period or transmitting 4 4 4 CHARGING CIRCUIT PRT UNIT Voltage from the DC 13 8V jack is applied to current control circuit 0...

Page 11: ...NUMBER PIN NUMBER DESCRIPTION Q2 03 BA2 BA3 5 6 Outputs a control signal for the RF bandpass filter 05 06 POW 1 POW2 13 14 Outputs a control signal for the output power selecting circuit This signal i...

Page 12: ...RANSMIT RECEIVE INDICATOR CIRCUIT LOGIC UNIT The transmit receive indicator DS4 uses a 2 input LED and lights up in red or green The indicator lights up in red as the transmit indicator while transmit...

Page 13: ...i shield 8930015960 756 LCD holder ORDER 1 NO DESCRIPTION 8930016410 756 Speaker ground lag 8810005740 Screw FH BO No 0 M2x3 8930014810 752 Speaker plate 2510000450 Speaker EAS 3P123D 8810001700 Screw...

Page 14: ...ZK 1 RK097111101NA 10KA 752 Release button 2 1 7210001450 Variable resistor SQUELCH lEl 8930014820 Release spring M 1 RK0971110051A 10KB 8930015980 Joint plate 1 2260001150 Switch LIGHT SW 1 03 SKHUP...

Page 15: ...MHz 50 Q Less than 1 2 1 External speaker impedance 8 Q Audio generator Frequency range Output ievel 300 3000 Hz 1 500 mV Frequency counter Frequency range Frequency accuracy 0 1 160 MHz 1 ppm or bet...

Page 16: ...6 V DC PLL L2 2 Receiving 1 6 V DC L1 3 Install the shielding plaie Readjust L2 and Li when ihe lock voltage is changed REFERENCE FREQUENCY 1 Djsplayed frequency 146 00 MHz Connect the RF power meter...

Page 17: ...W Set the signal generator Level 0 32 pV 1 1 7 dBm Modulation i kHz Deviation 3 5 kHz Receiving S METER 1 Displayed trequency 145 00 MHz Set the signal generator Level 0 32 pV 117dSm Modulation kHz De...

Page 18: ...C jack 75 mV 1 kHz except U S A 170 mV 1 kHz U S A Set the FM deviation meter HPF 50 Hz LPF 20 kHz De emphasis OFF Detector P P 2 Transmitting Top panel Connect the FM deviation meter to the antenna c...

Page 19: ...AND MIC UNITS R5 Output power adjustment MIC UNIT R13 Frequency deviation adjustment O UNIT LOGIC UNIT R16 DTMF tone frequency deviation adjustment R1S Tone call frequency deviation adjustment H fv bi...

Page 20: ...bnC VR UNIT R1 P f i i t I t t I roMo r 092619 I SiH f I C H t AF1 1p Af unit rtf u T RES BOARD b Mtl l UIH UNIT lO j f U flT iF UNIT cc I L t5 1g LOGICCLGC UHJT 1 Af xn o LJ A o 3 U t ta z 5 a L Z z...

Page 21: ...LOGIC LGC UNIT TOP VIEW fe TUKI eoAf c le MAIN miH UNKT Purl traiiom dilffr dtpAndifiq wi iftnl irij S t r ji CHD em TM Q2 H r DPO 1 A 01 STD ifr LGt 0 eOifiO 7 2...

Page 22: ...ero GNO 5TT Ql dw OA204U Symbol Kj DAN202U SynutK N DAP202U Symbol P c c c C 04 fU SA Asia U5 EufOpo3 D6 Euirope Aysiralia D14 D1S 03 05 Kaly D7 DS cr D12 2SC4061 R Symbol 8R BAiE i r EMITTEltC COLLEC...

Page 23: ...UNIT TOP VIEW TO VR UhUT UHiT AT UNIX iSNCK JtTCL UNIT I lo OPTION 1SS153 Symbol A9 OAN202U Symbol N DS HSM dAS Symbol Cl DA204U Symbol K H iJSSAS DlO D11 DA204U D 1 3 D2 7 4 MASe2 Symbol M 1 1 D14 07...

Page 24: ...r iCi OTMF rriKJftt lOSTB lOUTt 90ATA I CIHU APCV J2 UKIT 2SA 5 e R Symbol FR lUIT3tn eocLicrcfl 03 08 2SC2954 Symbol OK COLLEC fOn C I viTTEfl 2 COlLfCTOfS oe 2SC4403 3 Symbol LV3 6 lSEC UITTEn COLLE...

Page 25: ...lVECTCfl Qt 02 03 OS DTA144TU Symbol 16 E iEC EMITTLP c COU tClO 04 AF UNIT DAF202U Symbol P 01 2SB1ia2 Q Symbol B1182 s aE MtllClCtfl t MiriER 3 MlLEC TOB C I 04 2SC40B1 n Symbol BR CASE C EMrTlCH C...

Page 26: ...74 10 AND MIC UNITS 10 UNIT IC1 TO 0 UNIT nCEl o I z O I O O OT DTC144E0 Symboii 26 MIC UNIT ClO H a O 3 a z u 1l S a LU z o z UJ t i DTA144EU fSyrmOol 16 DTC144EU Symbol 26 7 7...

Page 27: ...Symbol G2 3 D1 ElUiTTEPi C U eCT Jf 3SC3770 3 Q2 2SC4031 S 01 03 06 DIM I tmirTEB COi i_CCTO i 04 LE C 0 REG UNIT DA114 Symibol AV D0D2 D3 2SA1162 GR Symbol SG 2SA1576 R Symbol FR EMlTTCt 2SA11 2GR 0...

Page 28: ...bol OY31 iiASi C EMrTIfn 2SC4403 3 02 2SC44C 5 3 Qi APC UNIT a a o z K 1 o z t3 I K X CL m a z CJ3 5 0 1 u u B1921D fj O H Q Z p n n n n n r rr iT IT c IT W a o T h lO Cl Z o u I y z o u EL o L DA204U...

Page 29: ...2SK210Y 01 2SK302 GR 02 2SKSS0 V SymCiol XY SOyPce C E R l i C a3 010 06 DTA143ZU Symbol 1 13 COLLECTfi DTC144EU Syrnbol 26 EMITTEfl COLLECTOR 03 FMA2 Symbol A2 PRT UNIT 02CZ5 1 Z Symbol S lZ D6 ra B...

Page 30: ...50 Resistor ERJ3GEYJ 394 V 390 kQ R39 7030003720 Resistor ERJ3GEYJ 224 V 220 kQ R40 7030003680 Resistor ERJ3GEYJ 104 V 100 kQ R41 7030003640 Resistor ERJ3GEYJ 473 V 47 kQ R42 7030003640 Resistor ERJ3G...

Page 31: ...10002120 Coil LA 228 L4 6110002120 Coil LA 228 L5 6110002070 Coil LA 227 L6 6110002000 Coil LA 226 L7 6110002070 Coil LA 227 L8 6110002010 Coil LA 224 L9 6200000750 Coil LQH 3N 4R7M L10 6110002070 Coi...

Page 32: ...1H 102K T C68 4030006860 Ceramic Cl 608 JB 1H 102K T C69 4030006860 Ceramic Cl 608 JB 1H 102K T C70 4030006860 Ceramic Cl 608 JB 1H 102K T C71 4030006750 Ceramic Cl 608 SL 1H 101J T C72 4030006860 Ce...

Page 33: ...Cl 608 JB 1H 102K T EP1 0910021443 P C Board B 2070C ICI EP2 0910022130 P C Board B 2163 IC2 EP3 6910003110 Lead Frame HFB2 0 0 7 8 EP4 6510008580 Lead Frame PT2 0 0 7 16 5 REF NO ORDER NO DESCRIPTIO...

Page 34: ...r ERJ3GEYJ 102 V 1 kQ R25 7030003840 Resistor ERJ3GEYJ 225 V 2 2 MQ R26 7030003490 Resistor ERJ3GEYJ 272 V 2 7 kQ R27 7030003520 Resistor ERJ3GEYJ 472 V 4 7 kQ R28 7030003680 Resistor ERJ3GEYJ 104 V 1...

Page 35: ...030006850 Ceramic Cl 608 JB 1H 471 K T C4 4510001320 Eiectroiytic 6R3 MS5 47 jiF C5 4030006850 Ceramic C1608 JB 1H 471K T C6 4030006850 Ceramic Cl 608 JB 1H 471 K T C6 4510003190 Eiectroiytic 6 3 RC2...

Page 36: ...C34 4030006560 Ceramic Cl 608 SL 1H 050C T C35 4030006710 Ceramic C1608 SL 1H 470J T C36 4030006710 Ceramic C1608 SL 1H 470J T C37 4030006710 Ceramic C1608 SL 1H 470J T C38 4030006710 Ceramic Cl 608 S...

Page 37: ...SECTION 9 OPTIONAL UNITS 9 1 UT 50 TONE SQUELCH UNIT...

Page 38: ...9 2 UT 51 TONE ENCODER UNIT 5 0V J 9 2...

Page 39: ...JOOK 9 3 UT 49 DTMF DECODER UNIT 9 3...

Page 40: ...N 10 VOLTAGE DIAGRAM INITIAL MATRIX LOGIC UNIT KEYSB KEYS3 KEYI3 KEYlt xrwf 06 04 5 05 A 5 Europe utnion Kexsi Kerss KEYIt X YH xrrio i 06 tI4 COAfooeu Uioty v rsjon KCfSt KSYS3 I 04 DADS tccrii 09 IS...

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Page 45: ...991 6166 Fax 404 991 6327 Icom Canada A Division of Icom America Inc 3071 5 Road Unit 9 Richmond B C V6X 2T4 Canada Phone 604 273 7400 Fax 604 273 1900 Icom Europe GmbH Communication Equipment Himmelg...

Page 46: ...omit on ns loom Inc 6 9 16 Kamihigashi Hirano ku Osaka 547 Japan A 5070H S Printed in Japan Copyright 1989 by loom Inc...

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