Icom IC-706MKIIG Service Manual Download Page 17

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4 - 3

• MAIN UNIT

• PLL AND PA UNITS

CP131

CP401

Reference loop lock
voltage check point

Reference frequency
adjustment

P681

L682

L681

C335

C306

C367

Main loop lock
voltage adjustment

Main loop lock
voltage check point

Reference loop lock
voltage adjustment

Reference frequency
check point

2nd LO level
adjustment

R1082

R1084

R1086

R1088

R1045

L511

L512

L562

L563

L566

R579

L623

R602

L601

Transmit total gain

Output power
adjustment

Carrier suppression
adjustment

Summary of Contents for IC-706MKIIG

Page 1: ...SERVICE MANUAL HF VHF UHF ALL MODE TRANSCEIVER i706MK G ...

Page 2: ...uantity required SAMPLE ORDER 1110004080 S IC µPC2709T IC 706MKIIG MAIN UNIT 05 pieces 8810009020 Screw FH M2 6 x 5 ZK IC 706MKIIG Top cover 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES 1 Make sure a problem is internal before disassembling the transceiver 2 DO NOT open the transceiver until the transceiver is disconnected from its power source 3 DO N...

Page 3: ...TION BEFORE SERVICING 4 1 4 2 PLL ADJUSTMENTS 4 2 4 3 TRANSMITTER ADJUSTMENTS 4 2 4 4 RECEIVER ADJUSTMENTS 4 8 4 5 SET MODE ADJUSTMENT 4 10 SECTION 5 PARTS LIST SECTION 6 MECHANICAL PARTS AND DISASSEMBLY SECTION 7 SEMI CONDUCTOR INFORMATION SECTION 8 BOARD LAYOUTS 8 1 DISPLAY BOARD 8 1 8 2 MAIN BOARD 8 3 8 3 HPF AND DRIVER BOARD 8 5 8 4 PA UNIT 8 7 8 5 PLL UNIT 8 9 8 6 FILTER BOARD 8 11 SECTION 9 ...

Page 4: ...s than 60 dB Carrier suppression More than 40 dB Unwanted sideband supp More than 50 dB Microphone connector 8 pin modular jack 600 Ω KEY connector 3 conductor 6 35 d mm 1 4 RTTY connector 3 conductor 3 5 d mm 1 8 RECEIVER Receive system SSB CW AM WFM Double superheterodyne FM Triple superheterodyne Intermediate frequencies FM or FM N mode only Receive sensitivity pre amp ON Note SSB CW and AM mod...

Page 5: ...151 µPC1658G 1st mixer D271 HSB88WSTR 1st IF filter FI511 FI 261 2nd mixer D551 HSB88WSTR 2nd IF filter FI561 FL 23 Space for optional filters FL 100 FL 101 FL 103 FL 233 FL 232 Power amplifers Q171 Q172 Q231 SRFJ7044 DDS IC IC101 SC 1246 BFO DDS IC IC901 SC 1287 PLL IC IC461 LMX2306TMX VCO1 Q301 2SK508 VCO2 Q331 2SK508 PA unit DRIVER board Drive amplifers Q161 Q211 MRF1508TI Predrive amplifer Q12...

Page 6: ...D408 and are then amplified at the preamplifier circuit Q403 The ampli fied signals are then applied to the another bandpass filter D407 D406 D410 UHF RF CIRCUIT The UHF RF signals from the ANT2 connector pass through the high pass filter L316 L317 C326 C327 low pass filter L313 L315 C322 C324 and antenna switching circuit D341 D342 D343 The signals are amplified at the preamplifier circuit Q453 b...

Page 7: ...1 ceramic filter FI611 The signals are then applied to the WFM demodulator circuit IC631 3 1 7 NOISE BLANKER CIRCUIT MAIN BOARD The noise blanker circuit detects pulse type noise and turns OFF the signal line when noise appears A portion of the signals from FI561 are amplified at the noise amplifiers Q621 Q632 amplifier section of IC631 then detected at the noise detector D632 to convert the noise...

Page 8: ... S meter signal from the main CPU IC2001 is applied to the sub CPU and is then displayed on the S meter read out 3 1 12 SQUELCH CIRCUIT MAIN BOARD The squelch circuit mutes audio output when the S meter signal is lower than the RF SQL control setting level The S meter signal is applied to the main CPU IC2001 pin 36 in SSB CW RTTY modes and is compared with the threshold level set by the RF SQL con...

Page 9: ...e AF selector switch IC971 and are then applied to the balanced modulator IC1041 While in AM FM mode the amplified signals from the buffer amplifier Q961 are applied to the limiter amplifier IC981a and splatter filter IC981b The signals are then applied to the AF selector switch IC971 in AM mode or to the varac tor diode D1012 in FM mode 3 2 2 VOX CIRCUIT MAIN BOARD The VOX Voice Operated Transmis...

Page 10: ...e 1st mixer D271 via the low pass filter L251 253 C253 259 bypass the filters and pass through the bandpass filter L182 L184 L195 L196 C181 C186 C195 C197 in the MAIN board The signals are amplified at the RF amplifier IC221 and YGR amplifer IC231 and are then applied to the PA unit The 440 MHz RF signals from the 1st mixer D271 via the low pass filter L251 253 C253 259 are amplified at RF amplifi...

Page 11: ...1 pins 11 13 for indicating the output power 2 ALC meter The ALC bias voltage from IC1091a pin 1 is applied to the main CPU IC2001 pin 34 via the ALCV signal line for indicating the ALC level 3 SWR meter The FORL and REFL voltages are applied to the main CPU IC2001 pins 32 and 36 via the analog switch IC2101 pins 11 13 and 4 3 respectively The main CPU compares the ratio of FORV to REFV voltage an...

Page 12: ... applied to IC901 pin 3 to shift the generated frequency and to obtain 2 frequencies for FSK operation While receiving in FM or FM narrow mode the BFO circuit generates a 9 4665 MHz frequency as the 3rd LO signal While transmitting in FM or FM narrow mode the BFO cir cuit generates a 9 0115 MHz or 9 0100 MHz frequency as the TX FM PLL reference frequency respectively 69 0415 539 0115 MHz 1st LO 10...

Page 13: ...tage BPF L1 L2 L3 L4 L5 L6 B7W B7 B8 B9 L1 L2 L3 L4 L5 L6 L7 L8 B9 3 70 V 3 19 V 2 68 V 0 V 2 18 V 1 69 V 1 19 V 0 96 V VCO1 VCO2 VCO1 VCO2 VCO3 LOF1 LOF2 LOF3 LOF4 LOF5 LOF4 LOF6 1 18 19 20 80 81 96 97 98 99 Input port for the SHIFT control Outputs a PTT signal Low While transmitting Outputs displaly backlight control sig nal Input port for the PHONES jack con nection detection High When the head...

Page 14: ...BS ATTS FMST SNDS KDS LTXD LRXD MAIN unit IC2001 Continued Pin Port Description number name 13 14 15 16 17 18 19 20 21 22 23 24 30 31 32 33 34 37 39 Input port for the external paddle DASH Low During key down Input port for the external paddle DOT or straight key Low During key down Input port for the PLL unlock signal from the DDS IC PLL unit IC101 and PLL IC PLL unit IC461 Low while PLL unlock I...

Page 15: ... 500 MHz Measuring range 0 to 5 kHz Frequency range At least 500 MHz Measuring range 0 100 Frequency range 1 kHz 10 Measuring range 1 100 Frequency range DC 100 MHz Measuring range 0 01 10 V Imput impeadance 10 MΩ DC or beter Measuring range 10 mV 10 V Input impedance 50 kΩ V DC or better Measurement capability 1 A 50 A Frequency range 300 3000 Hz Measuring range 1 500 mV Frequency range At least ...

Page 16: ... TRANSMIT TOTAL GAIN OUTPUT POWER CARRIER SUPPRESSION ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT VALUE POINT UNIT LOCATION UNIT ADJUST 1 2 1 2 3 4 1 Display frequency 14 10000 MHz Mode USB Q1 RF POWER H Connect an audio generator to MIC connector and set as 1 5 kHz 3 mV Transmitting Transmitting Display frequency 14 10000 MHz Mode USB Q2 MIC GAIN 5 Connect an audio generator to MIC con...

Page 17: ...81 C335 C306 C367 Main loop lock voltage adjustment Main loop lock voltage check point Reference loop lock voltage adjustment Reference frequency check point 2nd LO level adjustment R1082 R1084 R1086 R1088 R1045 L511 L512 L562 L563 L566 R579 L623 R602 L601 Transmit total gain Output power adjustment Carrier suppression adjustment ...

Page 18: ...nect an audio generator to MIC connector and set as 1 kHz 30 mV Transmitting Display frequency 14 10000 MHz Mode CW Q1 RF POWER H Q5 KEY SPEED 60 M4 BRK BK semi break in CW paddle n Connect an RF power meter to ANT1 connector Transmit dots for a while using a paddle MAIN Rear Panel MAIN Rear Panel Connect a digital multimeter to check point CP1011 Connect an FM devi ation meter to ANT1 connector v...

Page 19: ...1 CP1041 L562 L563 L566 Residual AM adjustment FM VCO check point CP921 CW carrier level check point AM modulation check point AM modulation pre setting FM deviation adjustment C1022 FM VCO adjustment AM modulation adjustment CW carrier level adjustment J281 ...

Page 20: ... 10000 MHz Mode USB Q2 MIC GAIN 1 minimum Transmitting Display frequency 14 10000 MHz Mode USB Ground CP1071 on the MAIN board Connect an audio generator to MIC connector and set as 1 5 kHz 30 mV Transmitting Transmitting PA Rear Panel FILTER Connect a DC ammeter between the DC power supply and transceiver s DC power socket P601 on the PA unit Connect an RF power meter to ANT1 connector Connect a ...

Page 21: ...ILTER UNITS PA UNIT C58 R162 R214 R174 R175 R231 J571 CP1071 Drive idling adjustment Final idling adjustment SWR detection pre setting Idling current pre setting W16 SWR detection check point SWR detection adjustment ...

Page 22: ...freq 14 10000 MHz Mode WFM Set an SSG as Frequency 14 10000 MHz Level 500 µV 53 dBm Modulation OFF Receiving Display freq 14 10000 MHz Mode USB P AMP ATT Preamp ON M3 NB OFF R623 MAIN Center Connect an SSG to the ANT1 con nector and set as Frequency 14 1015 MHz Level 18 µV 82 dBm Modulation OFF and apply the following signal to the ANT1 connector Receiving M3 NB ON Set an SSG as Level 10 µV 87 dBm...

Page 23: ...4 9 MAIN UNIT CP631 L632 R741 L741 L731 L621 L633 CP632 Receiver total gain adjustment Noise blanler check point Noise blanler adjustment WFM receiving adjustment WFM receiving check point ...

Page 24: ...el 1 5 kHz 30mV Transmit using an external PTT switch Connect a 50 Ω dummy load or power meter to ANT1 connector Connect a 50 Ω dummy load or power meter to ANT1 connector 1 1 1 1 2 1 2 1 2 1 2 1 1 2 SET IdAPC GO FILTER CAL SET 90 SET 50 SET TUNE Po SET TUNE Po SET 90 SET 50 SET 90 SET 50 ALC START SWR 1 LOAD SWR 2 LOAD Push F 3 TX to enter the TX adjustment setting mode Then advance to the follow...

Page 25: ...d SSG s level at 10 dB of S N ratio with AC millivolt meter Set maximum AF level using the MAIN DIAL then push MENU to set the VHF1 BPF1 L Push MENU to set the S0 level Push MENU to set the S9 level Push MENU to set the 60 dB level The display returns to the same as the ADUSTMENT SET MODE above Push F 1 EXIT to exit adjustment set mode 4 11 ADJUSTMENT ADJUSTMENT CONDITION DISPLAY OPERATION 1 1 2 3...

Page 26: ... kΩ R30 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kΩ R33 7010003871 RESISTOR PSD1 4 2 2 Ω R36 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kΩ R37 7030003600 S RESISTOR ERJ3GEYJ 223 V 22 kΩ R38 7030007110 S RESISTOR MCR18EZHJ 100 Ω 101 R39 7030007110 S RESISTOR MCR18EZHJ 100 Ω 101 R40 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 kΩ R41 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 kΩ R42 7030003440 S RESISTOR ERJ3GEYJ...

Page 27: ... S CERAMIC C1608 JB 1H 472K T A C33 4030006880 S CERAMIC C1608 JB 1H 472K T A C34 4030006850 S CERAMIC C1608 JB 1H 471K T A C35 4030006860 S CERAMIC C1608 JB 1H 102K T A C36 4030006860 S CERAMIC C1608 JB 1H 102K T A C37 4030011600 S CERAMIC C1608 JB 1C 104KT N C38 4030008890 S CERAMIC C1608 JB 1C 273K T A C39 4030011600 S CERAMIC C1608 JB 1C 104KT N C40 4030011600 S CERAMIC C1608 JB 1C 104KT N C41...

Page 28: ...90002480 S TRANSISTOR UMC3N TR Q2226 1590002310 S TRANSISTOR DTC114EE TL Q2227 1590002310 S TRANSISTOR DTC114EE TL D111 1750000640 S DIODE 1SV312 TE85L D112 1750000640 S DIODE 1SV312 TE85L D123 1790001250 S DIODE MA2S111 TX D131 1790001620 S DIODE 1SV308 TPL3 D132 1790001610 S DIODE 1SS385 TE85L D133 1790001250 S DIODE MA2S111 TX D141 1790001620 S DIODE 1SV308 TPL3 D142 1750000640 S DIODE 1SV312 T...

Page 29: ...08860 S COIL ACL2520L 101K T L257 6200008860 S COIL ACL2520L 101K T L261 6200007720 S COIL LQN21A 33NJ04 L262 6200007740 S COIL LQN21A 47NJ04 L271 6130002960 S COIL 617DB 1327 P3 L272 6130002960 S COIL 617DB 1327 P3 L273 6200004920 S COIL MLF1608A 2R2K T L281 6200004590 S COIL MLF1608D R18K T L282 6200005600 S COIL ELJRE 3N3Z F L344 6200002970 S COIL NL 322522T 121J L371 6200005690 S COIL ELJRE 18...

Page 30: ...7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kΩ R352 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kΩ R353 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kΩ R354 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kΩ R355 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kΩ R356 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kΩ R357 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kΩ R358 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kΩ R359 7030003560 S RES...

Page 31: ...7030003690 S RESISTOR ERJ3GEYJ 124 V 120 kΩ R828 7030003760 S RESISTOR ERJ3GEYJ 474 V 470 kΩ R829 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 kΩ R830 7030003840 S RESISTOR ERJ3GEYJ 225 V 2 2 MΩ R831 7030003800 S RESISTOR ERJ3GEYJ 105 V 1 MΩ R832 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kΩ R841 7030003400 S RESISTOR ERJ3GEYJ 471 V 470 Ω R842 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 Ω R843 7030003440 S ...

Page 32: ...30003680 S RESISTOR ERJ3GEYJ 104 V 100 kΩ R1114 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kΩ R1115 7030003470 S RESISTOR ERJ3GEYJ 182 V 1 8 kΩ R1116 7030003400 S RESISTOR ERJ3GEYJ 471 V 470 Ω R1121 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 kΩ R1122 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 kΩ R1123 7030003620 S RESISTOR ERJ3GEYJ 333 V 33 kΩ R1124 7030003620 S RESISTOR ERJ3GEYJ 333 V 33 kΩ R1125 73100027...

Page 33: ...CERAMIC C1608 CH 1H 120J T A C137 4030007090 S CERAMIC C1608 CH 1H 470J T A C138 4030011600 S CERAMIC C1608 JB 1C 104KT N C141 4030011600 S CERAMIC C1608 JB 1C 104KT N C153 4030011600 S CERAMIC C1608 JB 1C 104KT N C155 4030011600 S CERAMIC C1608 JB 1C 104KT N C157 4030011600 S CERAMIC C1608 JB 1C 104KT N C159 4030011600 S CERAMIC C1608 JB 1C 104KT N C161 4030011600 S CERAMIC C1608 JB 1C 104KT N C1...

Page 34: ... CH 1H 150J T A C564 4030009520 S CERAMIC C1608 CH 1H 020B T A C565 4030011600 S CERAMIC C1608 JB 1C 104KT N C566 4030011600 S CERAMIC C1608 JB 1C 104KT N C567 4030011280 S CERAMIC C1608 CH 1H 271J T A C571 4030006880 S CERAMIC C1608 JB 1H 472K T A C572 4030006880 S CERAMIC C1608 JB 1H 472K T A C573 4030011600 S CERAMIC C1608 JB 1C 104KT N C574 4030011600 S CERAMIC C1608 JB 1C 104KT N C575 4030006...

Page 35: ...8 CH 1H 101J T A C939 4030010210 S CERAMIC C3216 JB 1C 105M T A C940 4510004630 S ELECTROLYTIC ECEV1CA100SR C941 4510004430 S ELECTROLYTIC ECEV1CV220WR C942 4030011600 S CERAMIC C1608 JB 1C 104KT N C943 4030008910 S CERAMIC C1608 JB 1C 393K T A C944 4030011600 S CERAMIC C1608 JB 1C 104KT N C945 4030010210 S CERAMIC C3216 JB 1C 105M T A C946 4030011600 S CERAMIC C1608 JB 1C 104KT N C961 4030012610 ...

Page 36: ...030006850 S CERAMIC C1608 JB 1H 471K T A C2236 4030006850 S CERAMIC C1608 JB 1H 471K T A C2237 4030006850 S CERAMIC C1608 JB 1H 471K T A C2238 4030006850 S CERAMIC C1608 JB 1H 471K T A C2239 4030006860 S CERAMIC C1608 JB 1H 102K T A C2240 4030006860 S CERAMIC C1608 JB 1H 102K T A C2250 4030006860 S CERAMIC C1608 JB 1H 102K T A C2251 4030007090 S CERAMIC C1608 CH 1H 470J T A C2252 4030007090 S CERA...

Page 37: ...K T A C146 4030009580 S CERAMIC C1608 JB 1H 681K T A C147 4030011600 S CERAMIC C1608 JB 1C 104KT N C151 4030011600 S CERAMIC C1608 JB 1C 104KT N C152 4030007160 S CERAMIC C1608 CH 1H 181J T A C153 4030006860 S CERAMIC C1608 JB 1H 102K T A C154 4030007150 S CERAMIC C1608 CH 1H 151J T A C155 4030011330 S CERAMIC C1608 CH 1H 391J T A C156 4030007170 S CERAMIC C1608 CH 1H 221J T A C161 4030011600 S CE...

Page 38: ...0 S COIL ELJNC 68NK F L771 6200002160 S COIL ELJNC 82NK F L781 6200001770 S COIL ELJNC 47NK F L782 6200002120 S COIL ELJNC 33NK F L801 6200005740 S COIL ELJRE 47NG F L802 6200005720 S COIL ELJRE 33NG F L811 6200005710 S COIL ELJRE 27NG F L812 6200005720 S COIL ELJRE 33NG F L821 6200007740 S COIL LQN21A 47NJ04 L822 6200007720 S COIL LQN21A 33NJ04 L823 6200007730 S COIL LQN21A 39NJ04 L824 6200007710...

Page 39: ...J3GEYJ 103 V 10 kΩ R392 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kΩ R411 7030009690 S RESISTOR RR0816P 101 D 100 Ω R412 7030006580 S RESISTOR RR0816P 122 D 1 2 kΩ R461 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 kΩ R462 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kΩ R463 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kΩ R464 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kΩ R465 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 kΩ...

Page 40: ...0 S CERAMIC C3216 JB 1C 474K T A C203 4030011600 S CERAMIC C1608 JB 1C 104KT N C204 4030007170 S CERAMIC C1608 CH 1H 221J T A C205 4030009110 S CERAMIC C3216 JB 1C 474K T A C206 4550006080 S TANTALUM TEMSVB2 1C 106M 8L C207 4030009110 S CERAMIC C3216 JB 1C 474K T A C208 4030010210 S CERAMIC C3216 JB 1C 105M T A C209 4550006080 S TANTALUM TEMSVB2 1C 106M 8L C210 4030006860 S CERAMIC C1608 JB 1H 102...

Page 41: ...007120 S CERAMIC C1608 CH 1H 820J T A C805 4030007040 S CERAMIC C1608 CH 1H 180J T A C811 4030006990 S CERAMIC C1608 CH 1H 080D T A C812 4030006970 S CERAMIC C1608 CH 1H 060D T A C813 4030007040 S CERAMIC C1608 CH 1H 180J T A C814 4030006930 S CERAMIC C1608 CH 1H 020C T A C815 4030007010 S CERAMIC C1608 CH 1H 100D T A C821 4030007060 S CERAMIC C1608 CH 1H 270J T A C822 4030007020 S CERAMIC C1608 C...

Page 42: ... S DIODE DAN202U T107 D591 1160000060 S DIODE DAN202U T107 D601 1790000700 DIODE DSA3A1 D602 1790000700 DIODE DSA3A1 L102 6200005050 S COIL NL 252018T 330J L103 6200008570 S COIL LQN21A 6N8D04 L104 6200005730 S COIL ELJRE 39NG F L105 6200002860 S COIL NL 252018T 4R7J L106 6200002040 S COIL NL 252018T 101J L121 6180000870 COIL LAL 03NA 6R8K L122 6200003950 S COIL HF50ACC 322513 T L123 6180000900 CO...

Page 43: ... 100 kΩ R460 7030003700 S RESISTOR ERJ3GEYJ 154 V 150 kΩ R461 7030003740 S RESISTOR ERJ3GEYJ 334 V 330 kΩ R462 7030003740 S RESISTOR ERJ3GEYJ 334 V 330 kΩ R463 7030003270 S RESISTOR ERJ3GEYJ 390 V 39 Ω R464 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 kΩ R465 7030003210 S RESISTOR ERJ3GEYJ 120 V 12 Ω R468 7030003380 S RESISTOR ERJ3GEYJ 331 V 330 Ω R469 7030003750 S RESISTOR ERJ3GEYJ 394 V 390 kΩ R470 ...

Page 44: ...MIC C1608 JB 1H 102K T A C407 4030006850 S CERAMIC C1608 JB 1H 471K T A C408 4030006860 S CERAMIC C1608 JB 1H 102K T A C409 4030011600 S CERAMIC C1608 JB 1C 104KT N C410 4030006860 S CERAMIC C1608 JB 1H 102K T A C411 4030006860 S CERAMIC C1608 JB 1H 102K T A C412 4030006860 S CERAMIC C1608 JB 1H 102K T A C414 4030006850 S CERAMIC C1608 JB 1H 471K T A C418 4030006860 S CERAMIC C1608 JB 1H 102K T A ...

Page 45: ... S TRANSISTOR 2SC4081 T107 R Q6 1530002060 S TRANSISTOR 2SC4081 T107 R Q7 1530002060 S TRANSISTOR 2SC4081 T107 R Q8 1530002060 S TRANSISTOR 2SC4081 T107 R Q9 1530003090 S TRANSISTOR 2SC4213 B TE85R Q10 1530002060 S TRANSISTOR 2SC4081 T107 R Q11 1540000450 S TRANSISTOR 2SD1623 T TD Q12 1590001870 S TRANSISTOR DTA114EE TL D1 1750000300 S DIODE 1SS302 TE85R D2 1750000300 S DIODE 1SS302 TE85R D3 17500...

Page 46: ...10005360 CERAMIC HM11SJ SL 301J 500V C19 4010007590 CERAMIC HM15SJ SL 681J 500V C21 4010005930 CERAMIC HM11SJ SL 391J 500V C22 4030006880 S CERAMIC C1608 JB 1H 472K T A C23 4030006880 S CERAMIC C1608 JB 1H 472K T A C29 4030006880 S CERAMIC C1608 JB 1H 472K T A C30 4030006880 S CERAMIC C1608 JB 1H 472K T A C31 4010007610 CERAMIC HM95SJ SL 241J 500V C32 4010005810 CERAMIC HM74SJ SL 111J 500V C33 401...

Page 47: ...0PT C184 4030011730 S CERAMIC GRM42 6 CH 101J 500PT C185 4030011210 S CERAMIC GRM42 6 CH 330J 500PT C186 4030011730 S CERAMIC GRM42 6 CH 101J 500PT C189 4030011600 S CERAMIC C1608 JB 1C 104KT N C190 4030011600 S CERAMIC C1608 JB 1C 104KT N C191 4030011600 S CERAMIC C1608 JB 1C 104KT N C192 4030011600 S CERAMIC C1608 JB 1C 104KT N C193 4030011120 S CERAMIC GRM42 6 CH 100D 500PT C200 4030011050 S CE...

Page 48: ...09610 Screw PH M2 6 x 6 ZK 5 MP37 8810008490 Setscrew H M2 6 x 8 NI 2 MP38 8930038650 Sheet BE 1 MP40 8930038820 Aluminum sheet V 1 MP49 8930028390 Sheet AH 5 MP60 8930042440 1897 SP holder 1 MP61 8810009610 Screw PH M2 6 x 6 ZK 4 MP62 8810009390 Screw PH BT M3 x 18 NI ZU 4 MP63 8810007410 Screw PH M3 x 6 NI 2 MP65 8810008660 Screw PH BT M3 x 8 NI ZU 2 MP74 8510011940 2177 plate 1 MP75 8810009510 ...

Page 49: ...29 8930014140 Earth spring D 1 MP30 8930017200 752 earth spring 1 MP31 8930017200 752 earth spring 1 MP32 890028380 SHEET C 1 PLL UNIT ORDER NO DESCRIPTION QTY REF NO PA PARTS ORDER NO DESCRIPTION QTY REF NO F1 5210000090 Fuse FGB 30A 2 F2 5210000130 Fuse FGB 4A 1 P1 5610000050 Electronic keyer plug AP330 1 P2 5610000170 RTTY key plug AP370 1 W1 8900006490 DC power cable OPC 025D 1 W2 8900006110 A...

Page 50: ...O A PO S1 5 5 3 7 9 20 40 10 60dB USB M1 SPL A B A B DC 13 8V EXT SP MIC KEY TUNER ANT 1 ANT 2 GND MP6 FR MP2 C MP8 C MP22 C MP25 C J641 PA J4 FL MP5 FR J11 FL J7 FL J8 FL J5 FL J19 PA J3 C MP18 FR MP20 FR MP8 FR MP12 FR MP13 FR MP14 FR MP21 FR MP20 C MP32 C MP36 C MP21 C J2 D J4 C MP17 C MP26 FR MP11 FR MP3 FR MP3 C EP1 C P8 PA J14 FL MP10 FR MP11 FR MP4 FR ...

Page 51: ...LTER BOARD MF1 C MP62 C MP40 C EP1 C MP65 C MP20 C J3 C MP32 C J4 C MP8 C MP25 C MP22 C MP49 C Unit abbreviations C CHASSIS PARTS FR FRONT PARTS D DISPLAY BOARD M MAIN BOARD PL PLL UNIT PA PA UNIT FL FILTER UNIT H HPF BOARD V VR BOARD MP4 FR MP22 FR MP5 M MP3 M MP14 M MP1 M MP8 M W15 C MP86 C MP6 M MP9 M MP10 M MP7 M J5 FL J14 FL MP3 FL J11 FL MP1 FL MP75 C MP74 C MP79 C MP81 C MP17 C MP1 C MP76 C...

Page 52: ... SEMI CONDUCTOR INFORMATION ECB S D G S G D G G S D G S D S D G 2SA1576 R Symbol FR 2SC4081 R Symbol BR 2SD1619 Symbol DB 2SK508 K52 Symbol K52 CPH3404 Symbol KD DTC114EU Symbol 24 2SA1577 Q Symbol FR 2SC4116 GR Symbol LG 2SC4213 B Symbol AB 2SD1623 Symbol DF 2SK880 Y Symbol XY DTA114EE Symbol 14 DTC144EE Symbol 24 2SB1123T Symbol BF 2SB1132R Symbol BA 2SK210 GR Symbol YG 2SK2171 4 Symbol KM 2SK88...

Page 53: ...BOARD J1 8 7 14 1 75 76 100 50 26 51 1 25 100 1 25 75 51 76 26 5 8 4 1 50 S1 FRONT MP5 Q11 SUP 5V SDN LRXD LTXD 8V AFO GND MIC MICE PWK DISPLAY BOARD TOP VIEW 8 1 DISPLAY BOARD AF RF SQL M CH SHIFT TO DISPLAY BOARD J3 AFL AF AF AFS AFS 5V DN AFL SQL AFV UP SFT GND J1 13 12 2 1 VR BOARD SPEAKER PHONES SECTION 8 BOARD LAYOUT 8 1 ...

Page 54: ...POWER P AMP ATT TUNER CALL RIT SUB MENU F 1 F 2 F 3 LOCK DISP TS MODE PHONES R3 W2 DISPLAY BOARD BOTTOM VIEW 8 2 ...

Page 55: ...SR L1 L3 L5 L7 HFOR SDSS 14V 14V MIC SEND 1 19 20 2 J431 LTXD AFO MIC PWK LRXD 8V GND MICE 8 2 1 7 J1421 MSST MCK GND SPCH MDT SPBK 5VL GND AAF FSKK 14V H5V PDST CON1 PCK IMST DINT AFBP 8V PBST MLLV AFGC DSPS GND 14V HV DRES CON2 CON0 PDT DDT ICK 8V POWS PCE SPS 5V UL J1381 TO PA UNIT J661 TO FILTER UNIT J9 TO FILTER UNIT J12 TO FRONT UNIT MP20 TO OPTIONAL UNIT UT 102 AFI AFIE AFOE AFO GND BFO J14...

Page 56: ...1 20 21 40 41 60 61 80 1 4 8 5 1 12 24 13 1 1 7 14 8 8 16 9 1 8 16 9 1 4 8 5 1 8 16 9 1 7 14 8 1 7 14 8 1 12 24 13 1 9 18 10 1 14 7 8 1 9 18 10 1 8 16 9 1 7 14 8 MAIN BOARD BOTTOM VIEW 8 4 ...

Page 57: ... PA UNIT J211 1 4 TO PA UNIT J160 VUI VUI GND GND J200 1 4 TO PA UNIT J210 TO PA UNIT J161 SRF SRF GND PA2S L6H L4H THH GND GND GND GND GND T8V B7H L5H L3H L2H GND SIF SIF 10 1 11 20 J101 TO MAIN UNIT J1 HPF BOARD TOP VIEW DRIVER BOARD TOP VIEW 8 6 HPF AND DRIVER BOARDS 8 5 ...

Page 58: ... HPF BOARD BOTTOM VIEW DRIVER BOARD BOTTOM VIEW 8 6 ...

Page 59: ...DRIVE BOARD J210 TO DRIVE BOARD J211 VUI VUI GND GND 1 4 J210 TB4V TB2V PR4S STRT L9 GND VREF VFOR ICL T8V TB3V TB1V PR3S KEY L8 UREF UFOR AT13 ICH R8V 1 19 2 20 J661 ESPO ESPE POWS GND 14V THER 8V 2MBL ESPO ESPE GND 14V 14V GND 8V HV 16 2 15 1 J621 GND GND VUO VUO 4 1 J211 TO MAIN UNIT J231 TO MAIN J401 TO PLL J252 TO MAIN UNIT J141 PA UNIT TOP VIEW 8 4 PA UNIT 8 7 ...

Page 60: ... PA UNIT BOTTOM VIEW 8 8 ...

Page 61: ...MST DINT AAF 8V AFBP H5V PDST PCK CON1 PBST MLLV AFGC DSPS HV 14V DDT ICK GND POWS 8V DRES CON2 PDT CON0 PCE SPS 5V UL J254 1 29 30 2 TO MAIN J1381 GND DSPS ICK IMST DRES GND GND 5V DDT DINT J253 1 9 2 10 TO OPTIONAL UNIT UT 106 J252 2MBL 8V THER 14V GND POWS ESPE ESPO HV 8V GND 14V 14V GND ESPE ESPO 15 1 2 16 TO PA UNIT J621 PLL UNIT TOP VIEW 8 3 PLL UNIT 8 9 ...

Page 62: ...1 8 16 9 PLL UNIT BOTTOM VIEW 8 10 ...

Page 63: ...4 L6 GND L1 L3 L5 L7 HREF GND 14V AT13 HFOR SDSS 14V 14V MICE SNDSR MIC SEND TO MAIN BOARD J431 1 19 2 20 J12 P1 HRX TO MAIN BOARD J101 P2 HPAO TO PA UNIT J172 DATA ACC 1 4 8 5 AFOUT PTTP DIN 3 5 1 4 6 2 J14 AAF DOUT 1 2 3 4 5 6 7 8 9 10 11 12 13 J5 BOTA SENO1 138A SENO2 AFA MODA SQSA 8VA GND 1 2 4 3 8 7 12 11 13 10 6 9 5 B A N A K E Y A A L C A F S K A FILTER UNIT TOP VIEW 8 5 FILTER UNIT 8 11 ...

Page 64: ... FILTER BOARD BOTTOM VIEW 8 12 ...

Page 65: ...C1011 LC7153M RX TOTAL GAIN R741 RV 148 FM FI671 FL 272 FI681 FL 94 SSB CW RTTY AM FM N OPTION FILTER 1 OPTION FILTER 2 0 1 2 MHz 30 40 MHz HPF BOARD HFP LPF LPF LPF LPF LPF LPF LPF LPF LPF LPF LPF LPF LPF HPF FAN CTRL LPF HFP HFP HFP HFP HFP LPF LPF HFP LPF BPF HFP PRE AMP RF AMP RF AMP Q191 2SK2171 4 40 MHz 2 4 MHz 4 8 MHz 8 15 MHz 15 22 MHz 22 30 MHz 40 60 MHz PREAMP ON 40 60 MHz TX or RX PREAM...

Page 66: ...8 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 SG10 SG11 SG12 SG13 SG14 SG15 SG16 SG17 SG18 SG19 SG20 SG21 SG22 SG23 SG24 SG25 SG26 SG27 SG28 SG29 SG30 SG31 SG32 SG33 SG34 SG35 SG36 SG37 SG3...

Page 67: ...V GND MAIN UNIT 2 Q351 UMC3N 3 2 1 4 5 R359 10k Q352 UMC3N 3 2 1 4 5 R340 10k Q353 UMC3N 3 2 1 4 5 R341 10k L8 L9 B0 C238 0 1 L8H L9H 80H L233 0 33uH C236 15p C237 0 1 L232 0 82uH L231 22uH 4 5 3 2 1 6 C2236 470p C239 3 3 IC231 PC2709T C235 0 1 R234 10 C2238 470p C233 0 1 R232 470p D222 1SV312 4 3 1 2 C224 0 001 R224 270 3 4 2 1 IC221 TA4001F R223 15 C223 0 001 C222 0 1 L196 56nH C195 8p C196 22p ...

Page 68: ...C648 0 0047 AMS8 NBS R642 330 R643 22k C646 0 1 D634 MA2S111 C647 10 R644 1k Q636 DTA114EU W514 L511 FL 522 C511 0 0047 R511 1k C512 9p FI511 FL 261 C513 9p C514 0 0047 R513 330 R512 1k D502 MA862 L513 2 2uH R514 470 C521 0 0047 C522 0 0047 L521 2 2uH C523 0 1 L522 2 2uH C524 0 001 C516 0 001 C515 0 001 R527 220 R528 220 D521 1SV265 1 2 5 4 3 L523 2 2uH R521 47 C527 0 0047 4 1 3 2 IC521 PC1688 C52...

Page 69: ... 470 C732 Q731 3SK126 R730 R734 4 5 3 1 2 UNF8 CTCV W844 C850 0 1 IFOUT VCC OSCIN BASE COLECT GND BASE BASE IC841 TA4101F 1 2 3 4 C845 0 1 C846 0 0047 L841 100uH C848 10 C847 0 0047 C849 0 047 C842 0 0047 R842 100 C844 0 1 C843 0 1 8 7 6 5 C851 100p C841 0 0047 R841 470 R832 10k 8 9 10 IC811c C828 100p R831 1M C827 0 0047 C826 0 1 R829 100k R828 470k R827 120k 8V R826 100k 14 13 12 C824 0 0015 R82...

Page 70: ...3 22 R924 4 7k R665 10k C662 0 0047 D672 MA862 C571 0 0047 L671 8 2uH R672 2 2k R663 10k 1 3 4 2 FI671 FL 272 MP5 R671 2 2k C672 0 1 R673 220 C673 0 1 R674 10k 2F23 R662 10k D671 MA862 C661 0 0047 D682 MA862 C683 82p L682 10uH R682 2 2k R684 10k 2F80 D683 MA2S111 FI681 FL 94 L681 22uH C682 1 5p R681 2 2k D681 MA982 C684 0 1 C685 0 1 R683 220 D691 MA982 D692 MA982 2FTH R692 2 2k R693 10k R691 2 2k ...

Page 71: ... 11 10 9 Y0 Y2 Y Y3 Y1 INH VEE VSS VDD X2 X1 X X0 X3 A B RXS C1142 0 0047 R1150 4 7k C1145 0 47 R1145 4 7k R1146 470k R1147 470k R1148 470k C1143 10 D96S MODS R1141 47k R1142 47k D732 UMC3N IC971 TC4W53FU 1 2 3 4 8 7 6 5 MINH AMS R971 10k C971 0 0047 BFO BFO 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 XIN CE CL DI LDB LDA CA TEST PDA2 PDA1 AIA AOA XOUT PDB2 PDB1 AIA AOB OUTB CB ...

Page 72: ...1k R2058 1k R2061 100 R2062 100 R2063 100 R2064 100 R2065 100 C2065 47p C2064 47p C2063 47p C2062 47p C2061 47p L2253 10uH L2254 0 56uH MDT MCK BSTB DSST ASTB C2141 0 0047 Q2141 DTC114EE CP2121 IC2121 X25650S8I 2 5 CS SO WP VSS VCC HOLD SCK SI C2121 0 1 R2122 47k R2121 47k SQLS D2131 DA221 R2131 1M D2132 DA221 R2132 47k R2133 1k R2134 1k D2133 DAN222 KEY STRT Q2131 DTC114EE 4 5 1 2 3 C2131 0 1 L20...

Page 73: ...P2 2OP1 Q2221 UMC3N 3 2 1 4 5 5 4 1 2 3 Q2222 UMC3N 5 4 1 2 3 Q2223 UMC3N 5 4 1 2 3 Q2224 UMC3N 5 4 1 2 3 Q2225 UMC3N OP1 OP2 2FTH 2FB0 2F23 SPS TIFS DDT DSPS Q4 Q6 QS QS Q8 Q7 Q5 Q3 Q1 Q2 DSST 4 5 6 7 14 13 12 11 9 10 MODS AMS FMS WFMS MINH UNFM AFS1 AFS2 MODS AMS MINH AFS1 AFS2 L9 BHF B0 B7 B7W IDS Q4 10 9 11 12 13 14 7 6 4 5 C2252 47p Q6 2 15 D 16 8 1 3 STR CLK QS QS Q8 Q7 Q5 Q3 Q1 Q2 OE C2232 ...

Page 74: ...123 47p R2077 47k C2075 0 0047 R2076 1M C2074 0 0047 R2074 1k R2072 1k C2073 0 0047 C2072 0 0047 C2071 0 0047 D2083 MA2S111 C2081 0 0047 C2082 0 0047 C2083 0 0047 C2084 0 0047 D2082 MA2S111 R2084 4 7k R2086 1k C2085 0 0047 R2085 4 7k D2081 MA2S111 X0 X1 X2 X3 Y0 Y1 Y2 Y3 INH A B VCC X Y C2101 0 1 R2111 100k R2112 100k R2081 4 7k CP2061 R2087 22k R2088 22k R2089 22k R2090 22k ETON SPBK TONE AFMS BE...

Page 75: ...9 1k R268 10k R264 2 2k D263 MA742 D262 MA742 L262 LA 253 L341 LA 232 D341 UM9401F C345 0 001 C341 12p D342 UM9401F D343 1SS355 C322 7p C323 7p C324 10p L313 LA 383 L314 LA 233 L315 LA 382 C326 9p C327 5p L316 LA 382 L317 LA 232 C279 0 001 C281 0 001 L351 0 25 1 9 13TL Q351 DTC114EU C354 0 001 C353 0 001 R351 10k C280 470p R232 2 2k C233 0 001 R231 10k C232 0 0047 C247 470p W409 C421 0 001 R422 33...

Page 76: ... 0 1 R512 1k R511 47k Q512 DTC114EU Q511 2SA1577 Q513 DTC114EU Q514 DTC114EU Q521 2SB1132 C521 0 0047 R521 47k R522 1k Q522 DTC114EU Q523 DTC114EU C531 0 0047 Q531 2SA1577 R532 1k R531 47k Q532 DTC114EU Q533 DTC114EU Q541 DTA114EU Q542 DTC114EU Q551 DTA114EU Q552 DTC114EU C553 0 001 C552 0 001 D231 DAN202U CP651 CP652 L664 EXC ELDR25C L665 EXC ELDR25C C591 0 1 C592 0 0047 C593 0 1 C594 0 1 D591 DA...

Page 77: ...1 1 8k D451 1SV308 D452 1SV308 C454 0 001 D455 1SV305 C418 0 001 C423 0 001 L410 10uH C427 0 001 C402 0 001 L172 LR 83 C185 390p C190 220p C186 390p L173 LR 376 C195 15p L175 LA 262 C187 0 68 R201 0 012 R202 3 3k C201 0 1 R203 3 3k R204 3 3k C202 0 1 R205 3 3k L174 LR 230 R180 10 R181 10 C188 1000 C189 0 1 L233 EXC ELDR25C L234 EXC ELDR25C C239 0 0047 EP605 W180 W181 C604 1000 D602 DSA3A1 D601 DSA...

Page 78: ...U C155 0 0047 C153 0 0047 L66 100uH L65 100uH L64 100uH J14 C154 0 0047 L59 HF50ACC322513 B L42 HF50ACC322513 B R9 100 C140 0 001 R10 100 L37 100uH L36 100uH C123 1 W17 C72 0 0047 C158 1 C71 0 0047 RL10 MZ 12D K C95 0 0047 C37 0 0047 D6 1SS302 C176 100p C40 240p C183 100p L22 LA 481 L23 LA 551 C177 22p C178 68p RL11 MZ 12D K C43 0 0047 C211 0 001 C96 0 0047 RL14 MZ 12D K C99 0 0047 C51 0 0047 D8 1...

Page 79: ...047 R70 1k Q2 2SC4081 R69 10k C116 0 0047 R68 1k L85 100uH C122 0 0047 C215 0 1 R40 1k L70 4 7uH C204 47p W15 W16 C213 0 47 L58 HF50ACC322513 B C203 0 001 R33 1k R34 1k R35 1k R36 1k R37 1k R38 1k R39 1k J13 J12 L2 L1 L3 L4 L5 L6 L7 GND HFOR HREF SDSS GND 14V 14V 14V AT13 MIC MICE SEND SNDSR HOUT L77 100uH L78 100uH C205 0 001 L84 100uH L3 L7 L6 L4 L5 L2 L1 C151 3p SDSS W18 W19 W20 W23 D9 1SS375 R...

Page 80: ...12D K C97 0 0047 C44 0 0047 D7 1SS302 C45 390p C47 220p C49 560p L26 LR 216 L27 LR 214 C46 430p C48 110p RL13 MZ 12D K C50 0 0047 C98 0 0047 C80 680p C186 100p C81 470p C54 750p C84 560p C56 750p L33 LR 391 R2 22 C62 330p C59 180p C58 10p C63 330p C64 47p R3 10k C65 470p C66 470p R4 8 2k R6 47k C67 470p R7 100k 7 5 6 IC1b IC1a IC1 NJM2904M R18 100 R17 1k C152 0 001 R16 100 R15 1k L57 100uH C133 0 ...

Page 81: ...1 7 OSCIN 8 VP VCC2 FD LD LE DATA CLOCK CE GND 16 15 14 13 12 11 10 9 IC461 LMX2306TM C465 0 01 R465 100k C464 10p C463 0 0047 L461 10uH C461 4 7 R461 100k Q461 DTA144EU R412 1 2k R411 100 C414 10 R462 1k R464 1k R463 1k C472 0 0047 34 35 36 37 38 39 40 41 42 43 44 1 2 3 4 5 6 7 8 9 10 11 22 21 20 19 18 17 16 15 14 13 12 33 32 31 30 29 28 27 26 25 24 23 R251 1k R252 1k R253 1k R254 1k R255 1k R256...

Page 82: ...865 47p L862 15nH C861 15p C873 5p C874 1 5p C872 0 5p C871 9p C875 5p C862 10p C863 5p C864 8p L872 12nH L871 15nH R852 1k R851 1k D851 1SV308 R821 150 D863 MA2S111 D864 MA2S111 C501 0 0047 R501 33 R502 4 7k L531 LR 317 D531 MA717WK L532 0 22uH C537 0 0047 R531 150 R532 39 W592 R533 150 C541 0 0047 1 5 4 2 3 5 R538 18 R539 270 R537 270 C531 0 0047 D511 MA77 R523 1k 4 5 1 2 3 Q521 UMC3N L542 0 22u...

Page 83: ...1 MA862 C712 10p C714 7p C711 33p C713 47p C715 27p L712 0 1uH L713 82nH R701 1k C701 0 0047 L711 82nH 4 3 2 1 D732 MA862 C743 33p C742 9p C744 5p C741 30p C745 18p L742 68nH L743 68nH R731 1k C731 0 0047 L741 56nH 1 2 3 4 D731 MA862 Q10 2SC4405 C514 0 0047 R511 8 2k L501 10uH C512 0 0047 R517 18 R515 470 R516 270 R512 3 7k C511 0 0047 R513 100 R518 270 D302 MA77 D862 DAN202U 1 2 4 3 D761 1SV237 R...

Page 84: ...m france com Corporate Headquarters 2380 116th Avenue N E Bellevue WA 98004 U S A Phone 425 454 8155 Fax 425 454 1509 URL http www icomamerica com Customer Service Phone 425 454 7619 A C N 006 092 575 290 294 Albert Street Brunswick Victoria 3056 Australia Phone 03 9387 0666 Fax 03 9387 0022 URL http www icom net au 6F No 68 Sec 1 Cheng Teh Road Taipei Taiwan R O C Phone 02 2559 1899 Fax 02 2559 1...

Page 85: ...6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan A 5564HI S C 1999 by Icom Inc ...

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