Icom IC-706 Service Manual Download

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Summary of Contents for IC-706

Page 1: ...HF VHF TRANSCEIVER IC 706 Icam Inc ...

Page 2: ...ement pM 1 Hkligit order numbe s 2 Component pM number and name 3 EQUipment mOOel me and unit name 4 Quantity eQUired SAMPLE ORDER 1 lC l 4 l6O s le p 2709T E3 1e 706 MAINu r 5 88 COOO96lJ Screw OHM2 H 1C 706 r 0 Add esses are p o ide on the inside back XWer or you REPAIR NOTES 1 lak su e a problem is intemal before disassembling the Ira 2 DO NOT open the t anseei unlil th tranace er i disconnecte...

Page 3: ...RECEIVER ADJUSTMENT 4 2 4 4 TRANSMITTER ADJUSTMENT 4 4 4 5 METER ADJUSTMENT 4 9 SECTION 5 PARTS LIST 5 1 IC 706 5 1 5 2 AT 180 5 19 SECTION 6 MECHANICAL PARTS AND DISASSEMBLY SECTION 7 SEMI CONDUCTOR INFORMATION SECTION 8 BOARD LAYOUTS 8 1 DISPLAY UNIT 8 1 8 2 MAIN UNIT 8 3 8 3 PLL UNIT 8 5 8 4 PA UNIT 8 6 8 5 FILTER UNIT 8 7 SECTION 9 OPTIONAL UNITS 9 1 UT 102 VOICE SYNTHESIZER UNIT 9 1 9 2 AT 18...

Page 4: ...1 0 kHz max 5 100W 2 40W 1 10W 1 4 W SSB CW FM RTIY AM SSB CW FM RTIY AM Less than 0 0007 from 1 min to 60 min after power ON After that rate of stability change is less than 0 0001 hr at 25 C 77 F Temperature fluctuations O C to 50 C 32 F to 122 F less than 0 0005 13 8 V DC 15 20 A Transmit 20 A Receiver squelched 1 7 A max audio 1 9 A 167 W x 200 D x 58 H mm 69 16 W x 77 8 D x 29 32 H in project...

Page 5: ...nco loop veo Coil R I loop DOS IC _ 1C10 SC 12 V O 7 J eitro AF P a l IIC50 LM 251 AF_oontroller IIC M 8 Fp BFODDSIC IlC 2 SC 2871 R 0 _ X1 CA 215 3Q I I l MH filTERurul 01 11 35 M62354Gp 1X2 CA 520 19 i008MH C U 11 FM rd F IFL6 SFf C l Af _to C15 BU405l 6CF RX prea liO MH IC PG 658Gj _a 102 MRF50151 D e Q MRFf 55 ____ Pr 016 MRF 581 ____ Mllin loop veo t r l lo o t M IO IP I lL 11C 3 PlL2001SI __...

Page 6: ...s at right above and are then applied to the preamplifier circuit RECEIVER CONSTRUCTION 3 40 60 MHz The signals pass through the high pass filter L29 L31 C47 G51 via 012 and are then applied to the preamplifier circuit Used RF high pass filter HPF board Band Control Input Band Control Input signal diode signal diode 0 03 2 MHz TH 05 15 22 MHz H5 021 2 4 MHz H2 016 22 30 MHz H6 07 4 8 MHz H3 020 30...

Page 7: ...n applied to the noise blanker gate 020 021 3 2 While in FM normal mode the IF signals pass through the low pass filter L52 C82 C84 bypassing Fll and the noise blanker gate and are then applied to the 2nd IF circuit While in WFM mode the IF signals pass through the low pass filter L52 C82 C84 IF amplifier 05 ceramic filter FI2 and IF amplifier 052 The signals are then applied to the FM IF IC IC9 f...

Page 8: ...he S meter signal is applied to the main CPU IC25 pin 30 and is compared with the threshold level set by the RF SOL control The RF SOL setting is picked up at the sub CPU OISPLAY unit IC1 pin 99 The CPU compares the S meter signal and RF SOL setting to close or open the squelch 3 1 10 AGC CIRCUIT MAIN UNIT The AGC Automatic Gain Control circuit reduces IF ampli fier gain to keep the audio output a...

Page 9: ...signal from the AF selector switch IC15 is applied to the AF amplifier 053 The CW side tonelbeep tone and optional synthesized voice are also applied to 053 The amplified signal is then applied to the PLL unit The signals from the MAIN unit are applied to the VCA Voltage Controlled Amplifier IC4 circuit The AF gain setting from the main CPU is converted to DC voltage at the O A converter MAIN unit...

Page 10: ...IC3 IC5 and IF amplifiers IC4 IC6 are used in both receiving and transmitting commonly The ALC voltage is supplied to the transmiVreceive switch ing circuit 013 014 and 022 023 of IF amplifiers 013 014 and 022 023 function as PIN attenuators for ALC operation 3 2 6 RF CIRCUIT MAIN AND PA UNITS HPF BOARD The RF circuit amplifies the displayed frequency signal to obtain 100 W of RF output power for ...

Page 11: ...ave signal appears and increases on the antenna connector when the antenna is mismatched The HF 50 MHz reflected signal level is detected at 010 FILTER unit buffer amplified at IC1a and applied to the MAIN unit as the REFV voltage When the REFV signal level increases IC7c decreases the ALC voltage via IC7a to activate the ALC 3 6 For the current APC the power transistor current is ob tained by det...

Page 12: ...e loop filter 047 049 and then fed back to one of the varactor diodes 04 06 in the VCO circuits While operating on 60 MHz and above the VCO output is doubled by 2 at 08 and amplified at 037 3 3 4 BFO CIRCUIT The DDS IC IC12 generates a 10 bit digital signal The signal is converted to an analog wave signal at the O A converter The analog wave is passed through the high pass filter and low pass filt...

Page 13: ...00001 BSW LOF4 200 000000 3 8 3 4 2 MAIN CPU PORT ALLOCATIONS MAIN UNIT IC25 Pin Port Description number name 9 SPS Outputs a mute signal for AF power P52 amplifier according to the PHONES jack 13 DASH Input port for DASH signal of the P97 paddle to the internal keyer 14 DOT Input port for DOT signal of the P96 paddle to the internal keyer 15 SNDL Input port for transmit receive P95 switching sign...

Page 14: ...ing 19 AMBS Outputs a control signal for P30 backlighting 20 DIMS Outputs a dimmer control signal for P31 backlighting 80 PHNL Input port for the connection signal P13 of the PHONES jack 3 9 SUB CPU PORT ALLOCATIONS Continued Pin Port name Description number 81 RITK Input port for the RIT switch P14 90 95 KI0 KI5 Input ports for the P AMP ATT PB0 TUNER CALL MENU PB5 F l F 3 DISP LOCK MODE TS UP an...

Page 15: ...ange 0 1 100MHz Spectrum bandwidth 100 MHz or more Measuring range 0 01 10V FM deviation meter Frequency range At least 200 MHz Digital multimeter Input impedance 10 MQ DC or better Measuring range Oto 10kHz Standard signal Frequency range 0 1 100 MHz Modulation analyzer Frequency range At least 150 MHz generator SSG Output level 0 1IJV 32 mV Measuring range 0 100 127 to 17 dBm External speaker Im...

Page 16: ...nect an AC millivolt Maximum output MAIN Adjust Mode USB panel meter to EXT SP jack level repeatedly RIT OFF with an 8 n dummy load L47 L48 M4AGC Fast F AGC L49 L53 M3NB OFF L54 L55 P AMP ATT Preamp L84 L85 COMP GAIN Center BEEP SIDE T Center VOX GAIN Center ANTI VOX Max counterclockwise R126 MAIN unit Max counterclockwise Connect a standard signal generator to ANT 1 and set as Frequency 14 10150 ...

Page 17: ... t adjustment PLL AND PA UNITS LV1 Reference loop lock voltage check point C104 Reference loop lock voltage adjustment L3 D loo oO o t ttt L6 Reference frequency L34 J f f lrcL E t LV2 adjustment L36 MAIN UNIT o DO L47 Sensitivity adjustment L48 L49 Sensitivity pre setting R126 H ttt1 L53 Sensitivity adjustment L54 L55 L84 d t t Sensitivity a JUs men Ft 1 L85 4 3 ...

Page 18: ... 8 ltV 82 dBm 3NB ON Noise just R126 reduces S METER See p 4 9 METER ADJASTMENT This output level of the standard signal generator SSG is indicated as SSG s open circuit 4 4 TRANSMITTER ADJUSTMENT MEASUREMENT ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITIONS VALUE POINT UNIT LOCATION UNIT ADJUST IDLING 1 Displayed frequency 14 10000 MHz Rear Connect a DC ammeter 1 A increase PA R6 CURRENT Mode USB panel...

Page 19: ...ment R126 1 WFM receiving L63 adjustment WFM receiving CP1 check point J1O pin11 SWR detector check point o o o o o o o Jamper wire o o o GND o pin11 o o o o o o o MAIN AND FILTER UNITS PA UNIT ij i lii f i jJjJUL R59Final idling adjustment ct4 Il R6 Drive idling adjustment rr H ff Hf ffl tt R52 Final idling adjustment o 4 5 ...

Page 20: ...UT 1 Displayed frequency 14 10000 MHz Rear Connect an RF power 100 W MAIN R95 POWER Mode USB panel meter to ANT 1 02 MIC GAIN 5 connector Connect an audio generator to MIG connector and set as 100 mV 1 5 kHz Transmitting 2 Displayed frequency 52 00000 MHz WOW R98 3 Displayed frequency 145 00000 MHz Connect an RF power 10W R338 meter to ANT 2 connector CWCARRIER 1 Displayed frequency 14 10000 MHz M...

Page 21: ...R95 R511 Transmit total gain adjustment R338 Output power adjustment R198 CW carrier level adjustment C177 CW carrier level CP3 check point C267 FM VCO adjustment R260 FM deriation R274 adjustment CP4 FM VCO check point J 4 7 R193 Carrier suppression R191 adjustment ...

Page 22: ... 5 Disconnect the plug from J4 MAIN unit 2 Connect the plug to J4 MAIN unit Rear Connect an RF power 35W R499 Apply no signal to MIG connector panel meter to ANT 1 Transmitting connector 3 Connect an audio generator to MIG Connect a modulation 85 modulation R271 connector and set as analyzer to ANT1 via an 100 mV 1 kHz attenuator MAIN UNIT o DD J4 AM modulation 4l F l I L pre setting CPS AM modula...

Page 23: ...Ii rE F r l Push MENU GOl to make the calibration calibration Transceiver transmits for a while Power meter 3 Transmit using an external PTT switch ii ll1 E r Oi 1 Set to 90 W using main dial then push MENU 4 Transmit using an external PIT switch IJi E r il ji 1 Set to 50 W using main dial then push MENU 5 Connect the RF power meter to ANT 2 111m E T i 1 Set to 9 W using main dial then push Transm...

Page 24: ...OR ERJ3GEYJ 473 V 47 kQ R30 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kQ A31 7030000240 S RESISTOR MCR10EZHJ 68 Q 680 R32 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kQ R33 1010003830 RESISTOR R20J 1 Q R34 7030003200 S RESISTOR ERJ3GEYJ 100 V 10 Q R35 7030000240 S RESISTOR MCR10EZHJ 68 Q 680 R36 1030003440 S RESISTOR ERJ3GEYJ 102 V 1 kQ R37 1030003600 S RESISTOR ERJ3GEYJ 223 V 22 kQ R38 7030003320 S RESI...

Page 25: ...25Z T A C28 4030009590 S CERAMIC C2012 JF lC 225Z T A C29 4030010070 S CERAMIC C1608 X7S lC 104K T A C30 4030006880 S CERAMIC C1608 JB lH 472K T A C31 4030006880 S CERAMIC C1608 JB lH 472K T A C32 4030006880 S CERAMIC C1608 JB lH 472K T A C33 4030006880 S CERAMIC C1808 JB lH 472K T A C34 4030008850 S CERAMIC C1808 JB lH 471K T A 051 5040002020 S LED CL 170UR CD T D52 5040002010 S LED CL 170PG CD T...

Page 26: ...NSISTOR OTC144EETL 046 1590001150 S TRANSISTOR UN9211 TX 047 1590001150 S TRANSISTOR UN9211 TX 048 1530002060 S TRANSISTOR 2SC4081 Tl07 R 049 1590001150 S TRANSISTOR UN9211 TX 050 1590001940 S TRANSISTOR OTC144EETL 051 1590001870 S TRANSISTOR OTA114EETL 5 3 MAIN UNIT REF ORDER DESCRIPTION NO NO 052 1530002060 S TRANSISTOR 2SC4081 T107 R 053 1530002060 S TRANSISTOR 2SC4081 Tl07 R 055 1590001540 S T...

Page 27: ... S COIL LS 516 L81 6200003180 S COIL NL 322522T 210J L88 6200003160 S COIL NL 322522T 210J L89 6200001830 S COIL NL 322522T l00J L90 6200002990 S COIL NL 322522T 2R2J 3 L91 6200001830 S COIL NL 322522T l00J L92 6200002990 S COIL NL 322522T 2R2J 3 L93 8200002900 S COIL EWSC 680K F L94 6200002900 S COIL EWSC680K F L95 6200003280 S COIL NL 322522T l01J L96 6200003260 S COIL NL 322522T l01J L99 620000...

Page 28: ...EYJ 102 V 1 kQ R142 7030003200 S RESISTOR ERJ3GEYJ 100 V 10 Q R143 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 kQ 5 5 MAIN UNIT REF ORDER DESCRIPTION NO NO R144 7030003500 S RESISTOR ERJ3GEYJ 332 V 3 3 kO R151 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 kQ R152 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kQ R153 7030003440 S RESISTOR ERJ3GEYJ 102V 1 kQ R154 7030003540 S RESISTOR ERJ3GEYJ 682 V 6 8 kQ R155 70...

Page 29: ... S RESISTOR ERJ3GEYJ 102 V I kQ MAIN UNIT REF ORDER DESCRIPTION NO NO R346 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kQ R347 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kQ A348 7030003440 S AESISTOA ERJ3GEYJ102V lkQ R349 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kQ R350 7030003440 S AESISTOR EAJ3GEYJ 102 V 1 kQ A351 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kQ R352 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 kQ R3...

Page 30: ...030003280 S RESISTOR ERJ3GEYJ 470 V 47 0 R525 7030003280 S RESISTOR ERJ3GEYJ 470 V 47 Q R526 7030003550 S RESISTOR ERJ3GEYJ 822 V 6 2 kQ R527 7030003360 S RESISTOR ERJ3GEYJ 221 V 220 Q 5 7 MAIN UNIT REF ORDER DESCRIPTION NO NO R528 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 Q R529 7030003840 S RESISTOR ERJ3GEYJ 225 V 2 2 MQ R530 7030003420 S RESISTOR ERJ3GEYJ 681 V 6800 R531 7030003400 S RESISTOR ER...

Page 31: ...CERAMIC C3218 JB lC 105M T A C221 4030009000 S CERAMIC C2012 JB lC 224K T A MAIN UNIT REF ORDER DESCRIPTION NO NO C222 4510004830 S ELECTROllTIC ECEV1CA100SR C224 4030010070 S CERAMIC C1808 X7S lC 104K T A C225 4030010070 S CERAMIC C1808 X7S lC 104K T A C228 4030010070 S CERAMIC C1808 X7S lC 104K T A C227 4030009110 S CERAMIC C3218 JB lC 474K T A C228 4030009110 S CERAMIC C3218 JB lC 474K T A C230...

Page 32: ...TROlITIC ECEV1CA100SR C407 4030010070 S CERAMIC C1608 X7S lC 104K T A C408 4030010070 S CERAMIC C1608 X7S lC 104K T A C409 4030010070 S CERAMIC C1808 X7S lC 104K T A C410 4030010070 S CERAMIC C1608 X7S lC 104K T A C411 4030006880 S CERAMIC C1608 JB lH 472K T A C412 4030010070 S CERAMIC C1808 X7S lC 104K T A C413 4030010070 S CERAMIC C1808 X7S lC 104K T A C414 4030010070 S CERAMIC C1608 X7S lC 104K...

Page 33: ...R19 7030003580 S RESISTOR ERJ3GEYJ 103 V 10 kO R20 7030003580 S RESISTOR ERJ3GEYJ 103 V 10 kQ Cl 4030010070 S CERAMIC C1608 X7S lC 104K T A C2 4030008470 S CERAMIC C1808 JB lH 272K T A C3 4030008860 S CERAMIC C1608 JB lC 153K T A C4 4030009980 S CERAMIC C1608JB lH 152K T A C5 4030010070 S CERAMIC C1608 X7S lC 104K T A C6 4030010070 S CERAMIC C1608 X7S lC 104K T A C7 4030006840 S CERAMIC C1608 SllH...

Page 34: ...C Rl0K F L17 6200002160 S COIL EWNC82NK F L18 6200003670 S COIL EWNC 68NK F U9 6200003670 S COIL EWNC68NK F L21 6200002160 S COIL EWNC82NK F L22 6200001770 S COIL EWNC47NK F L23 6200002120 S COIL EWNC33NK F L25 6200002150 S COIL EWNC56NK F L26 6200001940 S COIL EWNC27NK F L27 6200002120 S COIL EWNC 33NK F 128 6200001830 S COIL NL 322522T l00J 129 6200001830 S COIL NL 322522T l00J L30 6200003260 S ...

Page 35: ... 7030005390 S RESISTOR RR0816 102 D 1 kO R132 7030005390 S RESISTOA RR0816p l02 D 1 kO PLLUNIT REF ORDER DESCRIPTION NO NO R133 7030005390 S RESISTOR RR081SP l02 D 1 kO R134 7030005390 S RESISTOR RR0818P l02 D 1 kO R135 7030005390 S RESISTOR RR0818P l02 D 1 kQ R13S 7030003620 S RESISTOR ERJ3GEYJ 333 V 33 kQ R137 7030003580 S RESISTOR ERJ3GEYJ 153 V 15 kQ R138 7030003480 S RESISTOR ERJ3GEYJ 222 V 2...

Page 36: ...880 S CERAMIC C1608 JB lH 472K T A PLL UNIT REF ORDER DESCRIPTION NO NO Cl00 4510005600 S ELECTROLITIC ECEV1CS100SR Cl01 4040000190 BARRIERLAYR UAT05X 103K Cl02 4030007080 S CERAMIC C1808 CH lH 390J T A Cl03 4030011570 S CERAMIC CM105 CH 101G 50AT Cl04 4610001260 S TRIMMER ECR JAo20 E12W Cl05 4030007150 S CERAMIC C1808 CH lH 151J T A Cl06 4030007150 S CERAMIC C1608 CH lH 151J T A Cl07 4030007150 S...

Page 37: ...A C259 4030007050 S CERAMIC C1608 CH lH 220J T A C260 4030007050 S CERAMIC C1608 CH lH 220J T A C261 4030007050 S CERAMIC C1608 CH lH 220J T A RLI 6330001320 RELAY AHY103 Jl 6510018950 S CONNECTOR B7B PH SM3 TB J2 6510019070 S CONNECTOR 52559 3092 J5 6510018960 S CONNECTOR B2B PH SM3 TB WSl 8600034620 CABLE 1691 POI J04PL WS2 8970022090 CABLE 1691 1 50 COAXIAL 3 PL EPI 0910045448 PCB B 4561H PA UN...

Page 38: ...IC HM17SJ YB 103K 500V C21 4030011260 S CERAMIC GRM42 6 W5R 102K 500PT C26 4030011140 S CERAMIC GRM42 6 CH 120J 500PT C27 4030011180 S CERAMIC GRM42 6 CH 220J 500PT C28 4030011180 S CERAMIC GRM42 6 CH 220J 500PT C29 4030011260 S CERAMIC GRM42 6 W5R 102K 500PT C31 4030006860 S CERAMIC C1608 JB lH 102K T A C32 4030011260 S CERAMIC GRM42 6 W5R 102K 500PT C35 4030011040 S CERAMIC GRM42 6 CK 020C 500PT...

Page 39: ...P05 J05PA WS5 8970022141 CABLE 1691 1 50 COAXIAL l 2 PA WS6 8600034490 CABLE 1691 P07 J07PA WS7 8600034700 CABLE 1691 P03 J08PA EPI 0910045887 PCB B4582G EP2 6910000610 BEAD FSOH050RNOI EP6 6910000630 BEAD FSOH070RN FILTER UNIT REF ORDER DESCRIPTION NO NO ICI 1110002700 S lC NJM2904M n 01 1530002080 S TRANSISTOR 2SC4081 Tl07 R 02 1590000680 S TRANSISTOR DTC114EU Tl07 03 1590000680 S TRANSISTOR DTC...

Page 40: ...08 JB lH 472K T A C37 4030006880 S CERAMIC C1608 JB lH 472K T A C38 4010005780 CERAMIC HM60SJ SL 101J 500V C39 4010005840 CERAMIC HM80SJ SL 180J 500V C40 4010005870 CERAMIC HM95SJ SL 221J 500V C41 4010005720 CERAMIC HM60SJ SL 390J 500V C42 4010005830 CERAMIC HM74SJ SL 151J 500V C43 4030006880 S CERAMIC C1608 JB lH 472K T A C44 4030006880 S CERAMIC C1608 JB lH 472K T A C45 4010007490 CERAMIC HM15SJ...

Page 41: ... J4 6450001490 CONNECTOR HLJ7001 Ql 3010 J5 6450001640 CONNECTOR TCS5044 Q1 4111 J7 6450001650 CONNECTOR HSJ0836 Ql 500 J8 6450001660 CONNECTOR EX345GLB J9 6510019160 S CONNECTOR 52610 2090 Jll 6510016170 CONNECTOR 52018 8835 J12 6510019140 S CONNECTOR 52610 1090 J13 6510003250 CONNECTOR TMP J01X A2 WI 7120000010 JUMPER JPW02A W8 7030003860 S JUMPER ERJ3GEJPWV W9 7030003860 S JUMPER ERJ3GEJPWV Wl0...

Page 42: ... 12W K R112 6330001110 RELAY NY 12W K RL13 6330001110 RELAY NY 12W K RL14 6330001110 RELAY NY 12W K R115 6330001110 RELAY NY 12W K J5 6510003100 CONNECTOR RT01T l 3B J6 6510003100 CONNECTOR RT01T l 3B TUNER UNIT REF ORDER DESCRIPTION NO NO W51 8970022230 CABLE 1732 1 50 Coaxial 2 fTU W52 8600034870 CABLE 1732 POl JOlTU W53 8600034880 CABLE 1732 P02 J02TU EPl 0910046761 PCB B4739A MPl 8930030100 AN...

Page 43: ...030003560 S RESISTOR ERJ3GEYJ 103 V 10 kQ R38 7030003670 S RESISTOR ERJ3GEYJ 823 V 82 kQ R39 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 kQ R40 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 kO R41 7030003780 S RESISTOR ERJ3GEYJ 684 V 680 kQ R42 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kQ R43 7030003590 S RESISTOR ERJ3GEYJ 183 V 18 kQ R44 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 kQ R45 7030003560 S RESISTOR...

Page 44: ... A C53 4030010070 S CERAMIC C1608 X7S lC 104K T A C54 4510003790 ELECTROLITIC 16 MV 10SW C55 4510004590 ELECTROLITIC 16 MV 470 HC C56 4510005000 ELECTROLITIC 16 MV 220 HC C57 4510003910 ELECTROLITIC 16 MV47 HW C73 4030010070 S CERAMIC C1608 X7S lC 104K T A C74 4030010070 S CERAMIC C1608 X7S lC 104K T A C75 4030009990 S CERAMIC C1608 CH lH 200J T A C76 4030009990 S CERAMIC C1608 CH lH 200J T A C77 ...

Page 45: ...60 MOTOR MP28GA MF3 2710000460 MOTOR MP28GA Jl0 6510000370 CONNECTOR MR DS Jl1 6510000370 CONNECTOR MR DS P2 6510018980 CONNECTOR PHR 2 W9 8900006040 CABLE OPC 593 N 13 L 50 MPl 8210012880 PANEL 1732 Front panel MP2 8010016390 CHASSIS 1732 Chassis MP3 8110005660 COVER 1732 Cover MP4 8930038260 ANGLE 1732 Angle MP5 8930037010 RUBBER 1691 Fan rubber MP7 8930005230 STAND Rubber foot D 2 pes MP8 89300...

Page 46: ...e 1 MP44 8950000010 Tape 951012 x 50000 mm 1 MP45 8950000010 Tape 9510 12 x 50000 mm 1 MP46 8930028840 Sponge DF 1 MP47 8930028840 Sponge DF 2 MP48 8930028390 Sheet AH 4 MP49 8930039420 1691 A sheet 4 MP50 8930037890 Sheet BA 2 MP51 8930039430 1691 B sheet 2 MP52 8930039440 1691 SP plate sheet 1 MP53 8930039450 1691 cover sheet 1 MP54 8930032450 1346 SpoT sponge 1 MP55 8930001180 Ground plate 1 SP...

Page 47: ... J8 6450000140 Connector HSJ0807 Ql 010 EXT SP 1 Jl0 6510003780 Connector llR Q6 DC 13 8V 1 MPl 8950000180 Cable tie 80 1 MP3 8950000180 Cable tie 80 1 MP5 8860000100 Ground lug B 2 M2 6 AG BS 1 MP6 6910008240 Clip 59TN4772 1 MP7 8860000100 Ground lug B 2 M2 6 AG BS 1 FILTER UNIT REF NO ORDER NO DESCRIPTION QTY J4 6450001490 Connector HW7001 Q1 3010 ElEC KEY 1 J5 6450001640 Connector TCS5044 01 41...

Page 48: ... FR MP15 FR MP22 FR J5 FL EP1 C J8 FL J7 FL J11 FL J3 C MP15 C J4 C MP17 C MP32 C MP8 C MP22 C MP25 C Top and bottom covers J2 C J8 PA J4 FL J10 PA MP2 C MP10 C MP54 C MP3 C MP4 C MP5 C MP6 C i 1 C MP9 C MP29 C MP30 C MP31 C Unit abbreviations C CHASSIS PARTS FR FRONT PARTS D DISPLAY UNIT PA PA UNIT FL FILTER UNIT 6 3 ...

Page 49: ...MP12 FR MP14 FR DISPLAY UNIT MP1 FR MP20 FR W1 FR W2 FR MAIN UNIT MP5 0 MP MP2 Unit abbreviations C CHASSIS PARTS FR FRONT PARTS D DISPLAY UNIT M MAIN UNIT F H HPF BOARD 6 4 ...

Page 50: ...P14 C MP6 PL MP10 PL I I MP22 PL MP4 PL YP CI SP1 CI MP13 C C I MP27 C j MP5 PL I MP9 PL i II i MP11 PL 1 C MP37 C I I a1 MP8 PL i I MP16 PL I W1 C 1 I 1I MP11 C c c 1 MP2 PL MP15 PL I MP5 D M MAIN UNIT PL PLL UNIT PA PA UNIT FL FILTER UNIT ...

Page 51: ...mbol lG Symbol Ol Symbol AB m m m m 2SC4226 R25 2SC44033 2SC44053 2SC4673D Symbol R25 Symbol l Y3 Symbol OY3 Symbol CO m m m 2S01619TO 2S01623TO 2S0999CK 2SK210GR Symbol OB Symbol OF Symbol CK Symbol YG D 2SK2171 2SK880Y 2SK882GR 3SK131 MAS NO symbol Symbol XV Symbol TG Symbp1 V11 G W 5 S G1 OTA114 EE I EU DTAl44TU OTC114EU DTC143TU Symbol 14 14 Symbol 96 Symbol 24 Symbol 03 n n E m ...

Page 52: ...UN9211 Symbol 8A D DIODES 1SS301 1SS319 1SV237 1SV265 Symbol B3 Symbol A4 Symbol BB Symbol D9 0 0 0 DA114 DA204U DA221 DAN222 Symbol AV Symbol K Symbol K Symbol N 5 DAP222 HSM88AS HVM17 01 MA357 Symbol FR Symbol Cl Symbol KM 40 Symbol NL r 83 MA862 RD3 6M B2 RD5 6M B2 RD9 1M 82 SVC252 Symbol M11 Symbol 362 562 912 Symbol HV 0 5 7 1 ...

Page 53: ...SECTION 8 BOARD LAYOUTS lJ 1 DISPLAY UNIT DISPLAY UNIT eHPF BOARD ...

Page 54: ... TO eom tion 01 hi pag and no POIl l show 10 0 1 eonIgo at a val P C 8o lrd _VR UNIT ...

Page 55: ...llSPLAY UNIT W2 FROm _HPF BOARD ...

Page 56: ..._HPF BOARO ...

Page 57: ...8 2 MAIN UNIT TOfU ...

Page 58: ...T comt ono I l P 9t PO 1t ow Ihe unillay ulio Of II9 t a tho adllll p C Boord Ft o o NT ...

Page 59: ..._MAIN UNIT ...

Page 60: ... ...

Page 61: ...8 3 PLL UNIT 0 Z ...

Page 62: ......

Page 63: ... PA UNIT TOP LU TJ TO p PAAIN Tn ...

Page 64: ... T I II q Q I OC lIV I I ...

Page 65: ...8 5 FILTER UNIT 1 lP ro ...

Page 66: ......

Page 67: ...SECTION 9 OPTIONAL UNITS 9 UT l02 VOICE SYNTHESIZER UNIT I f l f1 1 J 0 C 1 y I T r T lr w ...

Page 68: ...9 2 AT 180 HFI50 MHz AUTOMATIC ANTENNA TUNER _TUNER UNIT G 1 ...

Page 69: ..._CON_A UNIT 1000II LMT I Y lc _CTRL UNIT _COM C UNIT lOtn UNIt _C0H 8 UNfT i I ...

Page 70: ......

Page 71: ...r o ru _F TUNEH UNIT J4 I ...

Page 72: ... 3 COl f 1 03 IN3 jC 0 2 i t J 02 IN2 2 f C03 01 INI I T AI _ C25 1k 0 0047 7 SElECTED 12 5V L2 LA 489 AL7 NY 12W 3 4fl J Fl 1 2L C15 UL O 004r La L4 L5 LB L7 L6 L9 LA 469 LA 490 LA 4B9 LA 490 LA a07 LA 30B LA 30B ALB RL9 RLtO ALll ALI2 RLta NY 12W NY 12W NY 12W NY 12W NY r t NY 12W 3 40r 3 4fl 3 4fl 3 4 a 3 4fl If F1 It J J I Fl I t Fl II CIB I I 2L I 2L I 2L 1 2L I IL CIT U CI6 U g 1 04 1 C20 f ...

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Page 74: ...TX 0 6V ISTA IKEY 0 13 B 1 GND T MEASUREMENT CONO ITIONS CON B UNIT OIGITAl MULTIMETER 50kOIV P20 R15 P21 R14 P22 R19 P23 RIB P24 Rl1 P25 R16 P28 R80 P21 Rl01 CB3 C89 0 0 041 0 0 0 MEASUREMENT CONOT IONS TUNER ON 1 91MHz Po 100W SWR 1 OSC IllOSCOPE 20MHz QB 2SC4116 RB6 10k l23 l26 Jl 100 H 13 6 l23 PW l24 PX l25 PY l26 PZ LT6 l21 J6 100 H 13 6 IC11 00 LT6 RW X24C0456 LT9 RX AO VCC N l20 RY l21 RZ ...

Page 75: ...AMP FM FL 100 FL 101 FL 103 FL 223 FRONT oMAIN DIAL AF RF SOL RIT VR UNIT SHIFT 065 2SC4081 BFO ALC 042 3SK131 043 2SK882 044 2SC4081 SSBAM DISPLAY UNIT BFO I I I Ii le16 IJPC1037GR N DATA EXPANDER tN DATA IC28 lC29 X24C16S8 x2 IC15 BU4052BCF X2 CR 520 19 6608 MHz MIC I I 1 I IC22 PC5023 r I I I I I I I I I I I I I I I I I I I I 1__ _ 10 1 ...

Page 76: ...MHz AX FREQ 30 59 999999 MHz 1Lo FREQ RX FREQ 69 0115 MHz FILTER UNIT 037 2SC4226 018 019 MRF255 X2 144 148 MHz HV L o RL2 50 54MTX PLLUNIT 1 1 O Ea b 29 999999 VCOO X2 60 00000o 128 999999 veOl 30 00000 69 999999 VC01 X2 129 00000o 200 00000o 010 2SC4405 BFO r HPFBOARD I Il tot a f l ll I I I I Q4 2SC4673 ...

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Page 85: ...ii L __ J B n C207 0 r m RII7 RI27 III 2 Rile 2k R RIIt Ik II Rllt 0 iE 2 c RI31 0A7 I ItI20 2k 20 OA I vss 2 II R 33 0A4 07 ItIR Zk 0A2 It 3 OAI 14 2 R OAO I 124 2k vss I 20 2 7 IV ICI2 SC 1287 04 8 2 R 00 2 2 2 7 2 10 2 00 R1l2 1 101 2 i1 _ VSS I it U EE VlIO vss k 11l He 1STRe m z 42 0ATA lell j 8 CO ClJ TC7S04F J I_ 44 VOl rMV I r l J ...

Page 86: ... J2 UNIT JO r L 2 uo 21 ti eft vo 2 I t u en cs ooo r a I I 1 l_ J 1 1 2 V 52 U1 6O 200MHI 5 0 44 IQMHI OV e l dl dl s l roo H OV H O V OTHER 4 3V 1 1 if 010 8V ATT ON 5 0V 018 02 I I OFF OV ATl3 r DTCI44EE I I llo I o f I Q24 I L __ J r DTCllo4EU DTCI44EE rh PLL UNIT MEASUREM JfT COftOfTlONS SUf PlY IOLDiI6 13 8V DIGITAL MUlTIII T9 IffT RHAL REStSTMCE 50kIVV I l ...

Page 87: ... INg RX 3 8 GO rI7 B8W LO PA UNIT LSI A 017 o h DTCI44EE I Hl BANO ov OTHER IO OV T 6 3VI Jet Q6 DTAI14EE Q20 _30 H t Jl I DTC rA TX 6 2V YO 021 DTAII4EE L rr I 21ir 1_r H r rP j J d I j dI L f l R_ TCI44Et7 ...

Page 88: ...JM29Q4M I I ICla 11 11 i woo REFV WIS FOR W14 rh WI3 from WI CO WII 7 w n L 3 W W 2 O_3 99 999M HZ 4 7 1 03 DTCII4EU AI 22 0 29 1 99999MHZ 7 1 07 DTCII4EU AI Q4 DTCII4EU 4 0 7 99999MHz II 4 7V O 3 1 99999MHz 4 7 1 tr5 11 DN 222 Q2 DTC uv 7 V ALe I Ne V d H r i l i l i v vo vo I 11 3 ...

Page 89: ...ion 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 Himmelgeister Str 100 0 40225 Dusseldorf Germany Phone 0211 346047 Fax 0211 333639 Icom Australia Pty Ltd A C N 006 092 575 7 Duke Street Windsor Victoria 3181 Australia Phone 03 9529 7582 Fax 03 9529 8485 Icom UK Ltd Unit 9 Sea St Herne Bay Kent CT6 8...

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