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Icom IC-208H Service Manual - The Repeater Builder`s Technical

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3. TOP VIEW Ka 98 ss 5 AFOUT J502 Hm
4. MAIN UNIT 1 HAYA b HV HV 163 28551077 T HV HV t E 5 5 W 72V 4 W548 5 5 W 0501 5 5 223 E 13 7V 5VS _ B E 2SB1182 VCC 38 s wo PLLSW N ee x 5 w501 8 mos ar 8 S555 352222 2 glz MICMUTE Ss E 85 4 9999 gt E 85 D523 HV 4 25555 eg MA742 160 RX 4 8V Sr 5 CLONE IN EP528 GND wile o ZBFS5101 PT _ A TX 4 8V 3 3 3 3 c SIS itt 3 s et N 85T A s T 5 0507 0511 0519 5 8 8 3 8 2 e Q502 D gt gt gt 0510 oF 4 8 298 13 8V 8 UNR9213J MATORX NI CLONE OUT UNR9210J
5. MAIN UNIT VCO BOARD V VCOB ANTENNA 5 5 HV D45 UM9401F Y HV MB15A02PFV 1 049 HVU1S1TRF gt Q6 UMG9N 02 155400 SEEN CA Q4 05 15308 050 UM9401F Y Y 08 1115 D525 155400 D1 15V286 2505231 D6 MA2S077 430 450MHz D47 1SS400 VCC 5 8 VCO8 LOOP vco PRE PWR SWR TXIRX W501 PROTECT REG REG Sw 2 Ic FIL D sw b LPF ATT DRIVE A gt per sw 0501 RD20E 0501 IC503 Qs 0925 1586 amp D27 MA742 D502 DSA3A1 2581182 TA7805F 2SC4116 Y Q102SC4116 030 033 2802954 IC13 D33 MA742 V U VCO8 DA 2563357 013 XP6501 S AV32 eve e 5 1 6 TC4S66F Q503 0502 2SA1588 av D504 IC502 U T8 HV UNRS 13J 155400 050 25077 7 0040 UM9401F POWER GIF 5 5 Di UNR9213J 051 25077 D48 HVU131 TRF gt sw 8 p u RESET HVC376B VCO T_VHF CONTROL REG REG 104 AER V V gt MUTE 9 T
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7. IC2 EQOp 515 PLL IC filter VCO IC506 A SW E LPR 0505 1C509 IC3A IC3D IC3C je S er area E MIO gt Analogl T DA 8102 D Q103 A puts VCO _ Ler He sw Antenna i TING ies IC14 Q34 Q31 TX RX _ SWR N BET LPF lt a dive ATT UHF TX CIRCUIT IU ss eS E 10131 994 TX RX SWR PWR arr SW DET LPF J Drive drive 4 2 3 VHF DRIVE ANPLIFIER CIRCUIT MAIN UNIT The drive amplifier circuit amplifies the VCO oscillating sig nal to a level needed at the power amplifier The RF signals from the low pass filter VCO board pass through the attenuator R133 R134 R137 and are then amplified at the pre drive Q30 and drive Q33 D13 ampli fiers to obtain power that IC13 can operate The amplified signal is then applied to the RF power amplifier IC 1 4 2 4 VHF POWER ANPLIFIER CIRCUIT MAIN UNIT The power amplifier circuit amplifies the driver signal to an output power level IC13 is a power module which has amplification output capabilities of about 55 W The RF signal from the drive amplifier Q33 is applied to 1 13 pin 1 The amplified signals from the power amplifier IC13 pin 4 pass through the low p
8. MAIN UNIT 3 BUS LINE1 BUS LINE2 11 4 CHASSIS MAIN UNIT 4 E E E 5 555 M SMS 2 z Q os 8 ER Baz O 08 del mus dz 25 elo a gt stk 28 fe 9060 960 1000 5 290 9 9 2 ET Uk 5059 150 slg es awenn see 8 all E E EIE 33 osa 85 e 1060 z 5 de A HH als 6rd 9620 1000 l ree rr 169 Tek 007581 ULLELNAH TIER 65 1000 5 8 SAR otek 89 1 d 0 00755 10 0629 97 r ES 83 i eta 215 990 Ln 8 ES 189 9 1000 5 273 RS T 199 1099 o g2 8 255 E f w m NY auld 5 8 g L uss 1000 My 55 2 wi 0090 grad OSM alg POOR IM Els dozz 8S COAH SA 1000 129 ta 2 9429 89 00 5 8
9. 225 V 2 2 184 V 180 101 V 100 9 152 V 1 5 101 V 100 9 ERJ3GEYJ 122 V 1 2 223 V 22 474 V 470 224 V 220 122 V 1 2 ERJ3GEYJ 681 V 680 184 V 180 ERJ3GEYJ 333 V 33 225 V 2 2 183 V 18 103 V 10 151 V 150 9 225 V 2 2 103 V 10 ERJ3GEYJ 334 V 330 ERJ3GEYJ 222 V 2 2 MCR10EZHJ 6 8 Q 6R8 MCR10EZHJ 27 Q 270 ERJ3GEYJ 122 V 1 2 ERJ3GEYJ 122 V 1 2 392 V 8 9 ERJ3GEYJ 331 V 330 0 102 V 1 184 V 180 274 V 270 471 V 470 9 103 V 10 MCR10EZHJ 27 Q 270 471 V 470 9 470 V 47 Q 271 V 270 9 104 V 100 ERJ3GEYJ 331 V 330 102 V 1 103 V 10 UD 1 UD UD UD UD UD UD D D D D WAWU 44000443040 AAW AA AAA AAA AAA ANAA AA AA AA AB AB lt 7030003500 7030003500 7030003440 7030003440 7030003370 7030003640 7030003640 7030003600 7030003480 703000
10. 103 V 10 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 103 V 10 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 103 V 10 ERJ3GEYJ 105 V 1 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 472 V 4 7 MCR50JZHJ 82 Q 820 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 153 V 15 MCR10EZHJ 680 Q 681 MCR10EZHJ 680 Q 681 ERJ3GEYJ 103 V 10 ERJ3GEYJ 473 V 47 123 V 12 MCR10EZHJ 1 MCR10EZHJ 1 MCR10EZHJ 680 Q 681 MCR10EZHJ 680 Q 681 ERJ3GEYJ 472 V 4 7 C1608 JB 1H 472 C1608 JB 1H 472K T C1608 CH 1H 101 C1608 CH 1H 101 C1608 CH 1H 101J T C1608 CH 1H 101 C1608 JB 1H 102K T C1608 JB 1H 103K T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 CH 1H 470 C1608 CH 1H 470 C1608 JB 1H 103K T C1608 JB 1E 104K T C1608 JB 1E 104K T C1608 JB 1E 104K T 16 CV 10 BS C1608 JB 1H 103K T C1608 JB 1H 102K T 16 CV 10 BS 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 H 6510023680 5030002580 5040002930 5040002930 5040002930 5040002930 5040002930 5040002930 5040002930 5040002910 5040002920 5040002930 2240000150 2260001890 2260001890 2260001890 2260001890 2260001890 2260001890 2260001890 2260001890 2260001890 7030000010 6910015120 691001
11. rE rE Reference voltage PT Protect time PCV PCU Protect temperature FT Cooling fan temperature DTA DTB DTCS wave form DT CT DTCS CTCSS amplitude S Meter Squelch level Wide Squelch level Narrow NOTE Need to adjust about manually adjustment items CONNECTIONS POWER SUPPLY FM DEVIATION ATTENUATOR METER 50 dB or 60 dB RF POWER METER 5 50 O 1 80 W Y 8 8 STANDARD SIGNAL GENERATOR g 0 1 300 MHz 127 to 17 dBm 0 1 pV to 32 mV 8 5 CAUTION DO NOT transmit while an SSG is connected to the antenna connector ADJUSTMENT ITEM EXPLANATI Starting item 13 8 V 20 A or more JIG CABLE INFORMATION AUDIO GENERATOR 300 Hz to 3 kHz O 2 2 kQ W 5 i 212 z Nan P a f i pin 7 GND J o pin 4 PTT 1 to the microphone connector ON y HP lt rE rE lt Fr8 Fr6 Fr5 Fr4 Fr3 Fr2
12. PORT ALLOCATIONS d Kenaa BE ADJUSTMENT PROCEDURES PREPARATION ier E ang E aana aa AR HR SOFTWARE ADJUSTMENTS PARTS LIST MECHANICAL PARTS AND DISASSEMBLY SEMI CONDUCTOR INFORMATION BOARD LAYOUTS CONTROL UNIT Rd MAIN UNIT PP art a EE es l BOARD be aii ua way Kn a aa BLOCK DIAGRAM VOLTAGE DIAGRAMS k dH O SECTION 1 SPECIFICATIONS GENERAL Frequency range VERSION RX MHz TX MHz KOR 144 000 146 000 430 000 440 000 144 000 146 000 430 000 440 000 118 000 173 995 230 000 549 995 USA 810 000 824 000 849 000 869 000 144 000 148 000 420 000 450 000 894 000 999 990 118 173 995 230 000 549 995 810 000 999 990 TPE 144 000 146 000 430 000 432 000 144 000 146 000 430 000 432 000 118 173 995 230 000 549 995 810 000 999 990 AUS 144 000 148 000 420 000 450 000 EXP 136 000 173 995 400 000 478 995 Guaranteed 144 000 146 000 MHz only Guaranteed 144 000 148 000 MHz only Guaranteed 430 000 440 000 MHz only Guaranteed 440 000 450 000 MHz only Guaranteed 430 000 434 000 MHz 435 000 438 000 MHz only Not guaranteed range Mode AM range is 118 0 135 995 MHz and Rx only
13. SERVICE MANUAL VHF UHF FM TRANSCEIVER IC 208H Icom Inc INTRODUCTION DANGER This service manual describes the latest service information for the IC 208H VHF UHF FM TRANSCEIVER at the time at the time of publication MODEL VERSION SYMBOL Taiwan TPE U S A USA IC 208H Korea KOR Australia AUS Export EXP To upgrade quality any electrical or mechanical parts and internal circuits are subject to change without notice or obligation 4 y 7738 Wes S Mw ww Scan PRIO 5 DUP DTMF NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 16 V This will ruin the transceiver DO NOT expose the transceiver to rain snow or any liquids DO NOT reverse the polarities of the power supply when con necting the transceiver DO NOT apply an RF signal of more than 20 dBm 100 mW to the antenna connector This could damage the transceiv er 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 1140005990 510 MB15A02PFV 1 IC 208H MAIN UNIT 5 pieces 8810009610 Screw FH M2 6x6 ZKIC 208H Bottom cover 10 pieces Addresses are provided on the inside back
14. 271 V 270 9 ERJ3GEYJ 222 V 2 2 101 V 100 9 1RO V 1 Q ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 222 V 2 2 150 V 15 Q 101 V 100 Q 180 V 18 0 ERJ3GEYJ 221 V 220 Q 102 V 1 221 V 220 9 224 V 220 ERJ3GEYJ 221 V 220 9 221 V 220 9 103 V 10 563 V 56 221 V 220 9 224 V 220 103 V 10 103 V 10 220 V 22 Q 104 V 100 224 V 220 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 100 V 10 Q ERJ3GEYJ 104 V 100 ERJ3GEYJ 100 V 10 Q ERJ3GEYJ 273 V 27 ERJ3GEYJ 223 V 22 ERJ3GEYJ 102 V 1 ERJ3GEYJ 104 V 100 ERJ3GEYJ 392 V 3 9 ERJ3GEYJ 470 V 47 Q ERJ3GEYJ 101 V 100 ERJ3GEYJ 101 V 100 ERJ3GEYJ 392 V 3 9 kQ ERJ3GEYJ 102 V 1 A S Surface mount MAIN UNIT ORDER NO DESCRIPTION MAIN UNIT ORDER NO DESCRIPTION 7030003720 7030003440 7030003360 7030003640 7030003680 7030003680 7030003640 7030003620 7030003560 7030003620 7030003600 7030003560
15. IC14 509 58 C18 10 Ri 528 9 158 155 Sm 54 542 8553 Rost 513 519 0508 520 548 515 B 8 577 599 505 kel 8509 8506 Es B El OUT e VDD VGG IN 53 8503 1508 9 3 VCO BOARD TOP VIEW Mounted R127 in place of W1 USA E208 only lt VIEW VCO BOARD 294 42 N 1 V_TXLO V_RXLO GND U_TXLO U_RXLO GND UR5 80085 GND 4 10 PLLOUT cs to MAIN unit Mounted R128 in place of W2 USA E208 only J1 1 VU V_VCO8 VCO_SHIFT U_LV GND MMUTE MOD GND U_VCO8 10 8V to MAIN unit SECTION10 BLOCK DIAGRAM
16. 682 V 6 8 103 V 10 ERJ3GEYJ 222 V 2 2 184 V 180 ERJ3GEYJ 333 V 33 224 V 220 103 V 10 102 V 1 151 V 150 9 823 V 82 102 V 1 473 V 47 123 V 12 123 V 12 ERJ3GEYJ 472 V 4 7 123 V 12 104 V 100 473 V 47 MCR10EZHJ 1 5 102 V 1 105 V 1 103 V 10 MCR10EZHJ 1 0 010 473 V 47 102 V 1 103 V 10 101 V 100 9 ERJ3GEYJ 102 V 1 101 V 100 9 102 V 1 472 V 4 472 V 4 104 V 100 ERJ3GEYJ 472 V 4 7 103 V 10 102 V 1 ERJ3GEYJ 472 V 4 7 473 V 47 EXB V8V 103JV 10 103 V 10 154 V 150 104 V 100 104 V 100 NTCG20 4AG 473 104 V 100 20 0 0
17. 2 22223 leete sie rei DET k Em UHF 0505 155400 10509 pe 035 EFCH445MWNP1 USA 430 440MHz y E 5 HVC136 3SK299 EFCH435MWNP1 except USA 1SV308 Y XP4601 RX RX la att la Mic T CFWS450HT 4 Mn ANALOG F ber W 4 IC506 TA75S558F DATAMOD SW 4 019 020 021 013 6501 gt 25728 016 XP6501 V x2 400 R5 400 R5 12507 TA75S01F 0525 155400 CDB450C24 l _ l gt WIDE NARROW 010 017 025 MA2SV05 036 yy 0506 MA8047 gt UDATA a m SELECTOR HVC136 030 MA2SV05 gt 109 IC10 TCAWSSFU RX CONT UNR9213J UNR9213J IGO TOAN H X k Nata gt EN 9600 T 1 SENS 9800 TC4W53FU Y 2757 I Psa la CTRL SEL SW LPF k FMIF IC I m E R5 D24 D32 D38 CB A 25077 28077 TA31136FN mm Sur Y FL 344 SQL 46 05MHz 0507 RSSI kH XTAL k UNR9113J 018 gt LPF 4 IC511 011 2SC4226 800 R5 800 R5 NJM3404AV M62352GP Q44 018 026 031 037 039 044 DATAIN 05 DET REV 2SC4081 1 HVC136 18V305 18V305 155362 1SV308 XP6501 HV ATT ATT RX RE RX DATAOUT REF DAR WR ATT Ee PCON V DA221 vec 5vS 037 041 M a ame PCON U 2805008 2565624 310 1 000MHz E M z l5lol3 0512 10508 D A PLU g
18. 7030003520 7030003620 7030003660 7030003520 7030003320 7030003530 7030003320 7030003320 7030003320 7410001090 7030003590 7030003700 7030003600 7030003580 7030003320 7030004050 7030003320 7030003760 7030003600 7030003560 7030003320 7030003320 7410001090 7030003480 7030003680 7410001090 7030005521 7030005501 7030005691 7030003560 7030003320 7030003760 7410001090 7410001090 7030003320 7030003320 7030003320 7410001090 7410001090 7030003440 7030003640 7030003680 7030003520 7030003530 7030003550 7030003550 7030003610 7030003520 7030003580 7030003500 7030003640 7030003680 7030003640 7030003680 7030003840 7030003620 7030003840 7030003680 7030003560 7030003640 7030003520 7030003840 7030003840 7030003760 7030003840 7030003840 7030000100 7030003560 7030003840 7030003520 7030003340 7030003470 7030003320 7030003320 7030003360 7030003470 7030003280 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S ARRAY S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S ARRAY S RESISTOR S RESISTOR S ARRAY S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S ARRAY S ARRAY S RESISTOR S RESISTOR S RESISTOR S ARRAY S ARRAY S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESIS
19. gt lw E p 22 m cht toe 0508 0512 0516 58 211 1 503 a gt gt H gt Hy E 03 5 2 198 2541588 88 2 is 39944 C548 R587 C564 os 87 0509 0513 0517 0521 0 027 am 3k 0 22 5 4 1 470 PE 9 PL pot 1 I 5 r 8 2 Bx s x Su 3 b me ELS D510 D514 D518 0522 055 25 85 et 5 5 545 pap 100 gt gt gt IC510 s 8 na w j LMATORIX M L 1 ES LA4425A 77 0507 155400 EUR 33k 0508 155400 TPE TRON AUS MUTE MW 0512 55 CHASSIS D509 155400 IC E208 27 m 2504213 Hr Ho 0510 155400 ITR TPE KOR 85 5 1 1 w 0511 0514 0516 0519 SI 22 i ESOS 16502 n I Nm 158400 TPE KOR EUR 1 ics A Tk SUNT T 88 D521 D522 155400 except EXP J506 eg ma 82 4 SP 1 a P14 A4 8570 100 ME AF VOL DATA f b PIS AS RAYT RXVHF VOL A EP518 P16 A6 PAL 4 GE m P17 A7 LW LM 85 Qu w VSS Me RX 15V EP512 155 TX 2 0V PB4 D4 8577 100 1C5t1 48V S PB5 D5 25 R636 AV RX800 25 NJM3404 Ex C587 4 01 P20 AB LW 58 330k 25 EP513 1 BAN 1200 96008 8 5 VRSTB fr R517 ppp 100 P21 A9 WI BS SR VW s R518 tk KINT4 CIN14 A22 PA6 P22 A10 W es 100 SEN s 5 518 AAN SCKO P52 IC505 P23 A11 8578100 u voo Lw RXD0JP51 HD6432143SA70FA USA P24 A12 EA Wi SENS HD6432143SA69FA except USA P25 A13 NM
20. i VHF VCO NETOS MENS 93 D1 D2 j Loop filter 16 15 detector Programmable counter Prescaler r Q2 divider L 1 A 152 MHz 45 6 MHz 2 LO signal to the IF IC pin 3 Programmable PLLCK 2 PLLDATA 1 PLLSTB1 Shift register 4 3 3 UHF LOOP VCO BOARD AND MAIN UNIT The generated signal at the U VCO Q101 D100 D101 enters the PLL IC MAIN unit IC2 pin 8 via buffer ampli fiers Q102 Q50 and VCO switching circuit D51 and is divided at the programmable divider section and is then applied to the phase detector section The phase detector compares the input signal with a refer ence frequency and then outputs the out of phase signal pulse type signal from pin 15 MAIN unit The pulse type signal is converted into DC voltage lock voltage at the loop filter MAIN unit IC7 Q11 Q12 D5 and then applied to the U VCO to stabilise the oscillated fre quency 4 3 4 1ST LO CIRCUIT VCO BOARD AND MAIN UNIT The 1st VCO circuit contains a separate V VCO Q3 D1 D2 and U VCO Q101 D100 D101 WHILE RECEIVING VHF BAND The oscillated signal at the V VCO circuit is amplified at the buffer amplifier Q4 and is then applied to the VCO switch ing circuit D6 The signal passes through the attenuator C34 R24 R26 and low pass filter L7 L8 C36 C38 and i
21. 0107 1 L46 47n Um w C279 0 001 L EUR ITR USA 5 T EUR 1 only dg 99 AR AL 1000 peo 045 UM9401F L1 9859 UNR9213J 0105 TPE IKOR JAUS EXP only UM9401F 12 040 AL 8919 99299 He 10070 522 Orly 021 1000 9219 5 16 1000 1000 del 840 029 60 del 5619 dez 80 R124 1k SN88 221020 a I 22 221020 el 3 S 019 UNR9213J Q20 UNR9213J 8 bh LLOSZYN 1000 va UNR921NJ AM HR 65 066 1019 989 02 106 TC4S66F 3 77 1000 2019 AH We e 2019 MW C103 0 3p R103 100k C100 0 1 yez 0019 w dip 19 UNR9213J Qi A UNR9213J Q100 MB15A02PFV MB15A02PFV 1 IC1 1 2 VCO BOARD 5 9 334 1000 1999 100 29 VCO 5 ER 1000 9590 PLLSW8V
22. Boso ESA En 29 55 5 25 10 0 O D 00 0 0 D 1 Ec NO 8 25 k Hie 693S 09d 5 9 6936 S2 2 01935 cs 01035299 TWO N lt 4 3 11085 ES lt lt Z193S 9d amp 54 3 21936 rS S 1935 9 2 5 61085 99 PE a 1935 94 3 71936 96 kd S1938 99d M 8 51936 29 S 91935 9 91936 66 ZID3S 0Ld 21935 69 5 21935 81935 1 5 81935 o9 610398 22d 8 HRs 61936 19 m E 02938 ELd E 02936 29 5 5 5 LI 12935 88 96935 12935 t9 zzoas sza 8 p E scoas 0b 96955 2935 19 35 9 els 26935 65 9935 62085 2535 72 os 22 2 ez 2 YO VESIS 72085 99 c2035 084 gt at fi zeas 4 86935 36935 9 92038 18d zu p 9 2935 92936 89 16938 1203S 28d 06935 S ESAS 12038 69 2039 083 ezoas ve 06935 84935 0 4 62035 v8d DHLOWrOHI r ld 82935 62038 52055 120 ocoas sed DINLE 12935 ze _ 82085 02055 221 1 HIOWLZ 1d 92035 16 42935 16945 et 20035 28d HOWU cco3s 92036 20095 Y eco39 063 52935 6252038 62935 82 72085 zeoas 42 82938 de 12035 82 5808 t lt 02985 82 2938 3985 9 SE 2908 YN 61939 80000005988 2393932253235 8935 22 81935 21935
23. HVC350B HVC375B HVC376B HVU131 TRF MA2S077 Symbol B0 Symbol B8 Symbol B9 Symbol P1 Symbol S 4 A Po d dE 1 lt 2530400 L MA2S728 MA2SV0550 L 742 8047 Symbol K Symbol B Symbol 3A Symbol M1U Symbol 4 7 A E C A E N C A E 8062 L 8068 RD20E 2 UM9401F Symbol 6_2 Symbol 6 8 Symbol 20 B2 Symbol none BLACK LINE A E C A E C 1 1 4 2SA1362 GR 2SA1586 GR 2SA1588 GR 2SA1734 2SB1182 TL Q Symbol AEG Symbol SG Symbol ZG Symbol LB Symbol None B B B B c EL 2SC2954 1 2SC3357 1 25 4081 1106 R 2SC4116 BL 2SC4116 GR Symbol QK Symbol RK Symbol BR Symbol LL Symbol LG u p BO BCI db SESS Ape Ah 1 2SC4213 B 2SC4215 Y 2SC4226 T1 R25 2SC4403 3 TL 2SC5006 T1 Symbol AB Symbol QY Symbol R25 Sy
24. Transmitting OPERATION Turn the DIAL to set to 445 0000 MHz e Push the BAND key REFERENCE Operating frequency 445 0 MHz Receiving e Push the BAND key Operating frequency 146 0 MHz Connect an RF power meter to the antenna connector Transmitting Turn the DIAL to set the VHF high power to 55 W Push the BAND key Transmitting Turn the DIAL to set the VHF middle power to 15 W Push the BAND key Transmitting Turn the DIAL to set the VHF low power to 5 W Push the BAND key Operating frequency 445 0 MHz Connect an RF power meter to the antenna connector Transmitting Turn the DIAL to set the UHF high power to 50 W Push the BAND key Transmitting Turn the DIAL to set the UHF middle power to 15 W Push the BAND key Transmitting Turn the DIAL to set the low power to 5 W Push the BAND key 440 0 MHz Operating frequency Connect an RF power meter to the antenna connector Transmitting Turn the DIAL to set to 1 W Push the BAND key Operating frequency 445 0 MHz Transmitting Turn the DIAL to set to 1 W Push the BAND key Operating frequency 450 0 MHz Transmitting Turn the DIAL to set to 1 W Push the BAND key Operating frequen
25. 4 Tm 1000 2 8 990 22 2 N y 3 52 85 opte 1000 1000 8012 z019 4 4 dy 9190 SH008 E o BUSLINE3 BUS LINE2 lt 2 5 E Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan Phone 06 6793 5302 06 6793 0013 URL http www icom co jp world index html Icom America Inc lt Corporate Headquarters gt 2380 116th Avenue N E Bellevue WA 98004 U S A Phone 425 454 8155 Fax 425 454 1509 URL http Avww icomamerica com lt Customer Service gt Phone 425 454 7619 Icom Canada Glenwood Centre 150 6165 Highway 17 Delta B C V4K 5B8 Canada Phone 604 952 4266 Fax 604 952 0090 URL http www icomcanada com Icom Australia Pty Ltd 88 006 092 575 290 294 Albert Street Brunswick Victoria 3056 Australia Phone 03 9387 0666 Fax 03 9387 0022 URL http www icom net au Icom New Zealand 146A Harris Road East Tamaki Auckland New Zealand Phone 09 274 4062 Fax 09 274 4708 URL http www icom co nz Beijing Ltd 1305 Wanshang Plaza Shijingshan Road Beijing China Phone 010 6866 6337 Fax 010 6866 3553 URL http www bjicom com Icom Europe GmbH Communication Equipment Himmelgeister Str 100 D 40225 D sseldorf Germany Phone 0211 346047 Fax 0211 333639 URL http Awww icomeurope com Icom Spain S L Crta de Grac
26. i 9 8 051029 1000 To amp SNZz 221020 1000 821 090 ar 2020 ok HH nen r1 LS 80920 ON89 021020 z du uz 2920 1619 121 28 9519 SFT 1 POOR HH HR k deg 85 di SOASEVIN S0EASI 940 285 8419 160 EN lt Law OOO8N9NV8IMDT tHE n Sci 1000 cord L 119 921 P ime doi 1000 19 6419 8 HiH SAR ST S sss 1000 ERN 9818 Bx 9819 tHE 2 EE WwW fe 1000 ul del L 1000 uz 919 OLIH 9910 6H O HIDE E HOO 1 02 020 2 0o 2 1000 1000 n Bes Sar 2 2 2 S19 55 8 YHH g 4 D Bu Qe as 022 8 eo El ERES 24 QELOAH 910 90 9220 1 6120 4 FR SOEASH yoo 2 180 geld 2 5 DENA gt 3001 1000 aan 961H 020 5 gt del g 2j 8 1000 T 1819 090 FR HE SOEASL xs 920 23 291d PINE o TES Hm w g L uz 8 TN de de x99 009551 1 3 95 738 zou Sesa m ER 5158 270 58 825 imo 88 gt 8 2 8 AH MD w 9610AH BS 8a 1619 ki 5 as 8 0001 ran 4 oe 0819 OU 52 SAR 11 Ae 1000 ug 9 dy s 022 S doi 3 82 9294 1012 ul 9590 021 6650 g 881H 8990 E I HH SST AHH 5 Ly 1000 2 85 0 99 9990
27. Q4 2804116 e e 1 deg 80 ASNSTId M SAS INN 1000 p G ww MAIN UNIT 2 dol 5 BUS LINE BUS LINE2 11 3 BUS LINE1 BUS LINES BUS LINE2 Q45 UNR9113J 1 UNR9114J Q25 UNR911NJ 024 IC10 TC4W53FU R129 UNR9213J Q21 R123 3 3k MA NJM3404AV 1015 CFWS450HT CFWM450E Fl2 C110 0 1 10 759057909 ex TCAW53FU Ico Q42 UNR9113J R629 330k AM TX_MUTE 10 910 TUNE 8 1798 M62352GP IC11 TC4W53FU 165 9001 049 AH SQL CLOSE 4 7V SQL OPEN 0V or GOAVIVG SLY 290 M62363FP 650C NJM12902V Ic4 UNR9213J 01 E 1H 17 95000 2700 10 9
28. 2 By pa J1 ren 8 lt E T E Z Z to FAN TE apy PW E 0263 E 670 BE 2 La 0658 277 mu un P L LB ajo MES 1 020 B 157 r 6 BL Cum B cp m 137 El 2 to VCO board J2 66 al d B S RS qm Eus Pra a ES E C665 S eme 5 E E T E 2 51 z apar El E E JEP R229 50 e am E 1557 TEF 558 1557 a ES _ 85 x 2 8 14 E 8 8 I 040 T J503 7 ab amp 613 on 3 246 1 CTHV 3 SERE cb BB EN TXDATA d jg 2r B E 02 BIBLE BE E B Bee us EX eae eee bpd S BBBBES2 E 8 100 26 rome s as gt de 8 T to CONTROL unit 25 968 gt J3 Feu TERES 10 RB 5 CHASSIS pM O Me Cs Sre gt CAD ogg S J2 B 0 Gk Il BB B gy 03 EB qr v 5 s x 18 Bl EA E eS 55 Cf meg B BB a B a gt E 2 2818 E Y EB e 29 c B B pu ma c E 5 8 C558 Son 3 We d lt VIEW MAIN UNIT
29. 2SC5231C8 TL 2SC5231C8 TL 2SC5231C8 TL 2SC5231C8 TL UN9213J TX 1SV286 TPH3 MA2S30400L MA2S30400L MA2S077 TX 1SV308 TPL3 MA2S077 TX MA2S077 TX MA2S077 TX 1SV286 TPH3 HVC375BTRF HVC375BTRF 1SV308 TPL3 MA2S077 TX MA2S077 TX WAAAAAAAAAA AAAAAAAAAA SAA S Surface mount VCO UNIT VCO UNIT ORDER ORDER NO DESCRIPTION 5 NO DESCRIPTION z 1790001620 S DIODE 1SV308 TPL3 7030003270 S RESISTOR 390 V 39 1790001260 S DIODE MA2S077 TX 7030003730 S RESISTOR ERJ3GEYJ 274 V 270 7030003520 S RESISTOR ERJSGEYJ 472 V 4 7 7030003280 S RESISTOR ERJ3GEYJ 470 V 47 Q USA only 7030003520 S RESISTOR 472 V 4 7 except USA 7030003520 S RESISTOR ERJSGEYJ 472 V 4 7 7030003240 S RESISTOR ERJ3GEYJ 220 V 22 Q USA only 7030003240 S RESISTOR ERJ3GEYJ 220 V 22 Q USA only 4444 6200001980 S COIL NL 252018 1 6200010100 S COIL C2012C 33NG 6200010210 S COIL C2012C 22NG 6200006980 S COIL ELJRE R10G F 6200003540 S COIL MLF1608D R22K T 6200006990 S COIL ELJRE 56NG F 6200007610 S COIL LL1608 FH39NJ 6200007610 S COIL LL1608 FH39NJ 6200006990 S COIL ELJRE 56NG F 6200005690 S COIL ELJRE 18NG F 6200002610 S COIL NL 252018T R47J 6200002330 S COIL LQW31HN15NJ01L 6200005730 S COIL ELJRE 39NG F 6200005700 S COIL ELJRE 22NG F 6200005
30. S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007090 S CERAMIC C1608 CH 1H 470J T 4030007140 S CERAMIC C1608 CH 1H 121J T 4030007140 S CERAMIC C1608 CH 1H 121J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030011810 S CERAMIC C1608 JB 1A 224K T 4030011810 S CERAMIC C1608 JB 1A 224K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030011810 S CERAMIC C1608 JB 1A 224K T 4030011810 S CERAMIC C1608 JB 1A 224K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007090 S CERAMIC C1608 CH 1H 470J T 4030007090 S CERAMIC C1608 CH 1H 470J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T USA only 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 1
31. S RESISTOR 105 V 1 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kQ 7030003740 S RESISTOR ERJ3GEYJ 334 V 330 7030003740 S RESISTOR ERJ3GEYJ 334 V 330 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030005501 S RESISTOR 124V 120 7030005501 S RESISTOR 124V 120 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030005981 S RESISTOR 333V 7030005981 S RESISTOR ERA3YED 333V 7030003740 S RESISTOR ERJ3GEYJ 334 V 330 7030003730 S RESISTOR ERJ3GEYJ 274 V 270 7030003730 S RESISTOR ERJ3GEYJ 274 V 270 7030003720 S RESISTOR ERJ3GEYJ 224 V 220 7030003360 S RESISTOR ERJ3GEYJ 221 V 220 Q 7030003460 S RESISTOR ERJ3GEYJ 152 V 1 5 7030003300 S RESISTOR 680 V 68 7030003220 S RESISTOR ERJ3GEYJ 150 V 15 7030003360 S RESISTOR ERJ3GEYJ 221 V 220 7510001720 S THEMISTOR TN10 3K222JT 7030003510 S RESISTOR 392 V 3 9 4030011600 S CERAMIC C1608 JB 1E 104K T 4030007020 S CERAMIC C1608 CH 1H 120J T 4030006940 S CERAMIC C1608 CH 1H 030C T 4030008860 S CERAMIC C1608 JB 1H 153K T 4030009510 S CERAMIC C1608 CH 1H 010B T 4030011330 S CERAMIC C1608 CH 1H 391J T 4030011600 S CERAMIC C1608 JB 1E 104 4030006900 S CERAMIC C1608 JB 1H 103K T 4
32. S TRANSISTOR S TRANSISTOR S FET S TRANSISTOR S TRANSISTOR S FET S FET S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S VARICAP S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S VARICAP S VARICAP S DIODE S VARICAP S VARICAP S DIODE S DIODE S VARICAP S VARICAP S VARICAP S DIODE S DIODE 2SC4116 BL TE85R XP6501 TX AB 2SC4116 BL TE85R 2SC4226 T1 R25 UN9213J TX UN9213J TX UN9213J TX 2SA1362 GR TE85R 2SA1362 GR TE85R UN9114J TX UN911NJ TX UN9114J TX UN9114J TX UN9114J TX UN9114J TX 25 3357 1 25 5085 TE85R 35 299 1 073 25 2954 1 25 3357 1 3SK299 T1 073 25 5006 1 25 5008 1 3SK299 T1 073 3SK299 T1 073 25 5008 1 28C5624VH TL UN9113J TX UN9115J TX 25 4081 T106 R UN9113J TX 2581182 TL Q UN9213J TX 2SA1588 GR TE85R XP4601 TX 28C4116 GR TE85R 28C4116 BL TE85R UN9113J TX UN9213J TX UN9213J TX UN9210J TX UN9213J TX 25 4213 TE85R UN9113J TX UN9213J TX UN9114J TX UN9213J TX HVC376BTRF 155400 TE61 155400 TE61 DA221 TL
33. C261 The filtered signals are amplified at the above 230MHz RF amplifier Q40 and are then enter another 2 stage tunable bandpass filter D25 D30 C205 C212 to suppress unwanted signals and improve the selectivity The filtered signals are applied to the RF amplifier 036 The amplified signals pass through the 400 MHz RX switching circuit D17 and then applied to the 400 MHz 1st mixer circuit 1012 ABOVE 800 MHz RF CIRCUIT 810 MHz 1000 MHz The signals from the attenuator circuit pass through the tun able bandpass filter D37 L39 C243 C254 C260 C269 The filtered signals are amplified at the above 800 MHz RF amplifier Q41 and are then enter another tunable band pass filter D26 D31 L27 L31 C188 C197 C206 C213 C223 to suppress unwanted signals and improve the selec tivity The filtered signals are applied to the RF amplifier Q37 The amplified signals pass through the 400 MHz RX switching circuit D18 and then applied to the 1st mixer cir cuit IC12 same as 400 MHz RF circuit The tunable bandpass filters D11 D13 D15 employ var actor diodes to tune the center frequency of the RF pass band for wide bandwidth receiving and good image response rejection 4 1 5 VHF 1ST MIXER CIRCUIT MAIN UNIT The 1st mixer circuit converts the received signal to a fixed frequency of the ist IF signal with a 1st LO frequency VHF 1ST MIXER CIRCUIT The signals from the VHF RF circuit are mixed with the 1st LO
34. CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030017200 S CERAMIC GRM31BR32J102KY01L GHM1030 4030009910 S CERAMIC C1608 CH 1H 040B T 4030007010 S CERAMIC C1608 CH 1H 100D T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006900 S CERAMIC C1608 JB 1H 103K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007130 S CERAMIC C1608 CH 1H 101J T 4510008110 S ELECTROLYTIC 16 CV 22 BS 4030011160 S CERAMIC GRM31M2C2H150JV01L GRM42 6 CH 4030011600 S CERAMIC C1608 JB 1E 104 4030007170 S CERAMIC C1608 CH 1H 221 4030006900 S CERAMIC C1608 JB 1H 103K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030017200 S CERAMIC GRM31BR32J102KY01L GHM1030 4030006970 S CERAMIC C1608 CH 1H 060D T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030011170 S CERAMIC GRM31M2C2H180JV01L GRM42 6 CH 4030011600 S CERAMIC C1608 JB 1E 104 4030011140 S CERAMIC GRM31M2C2H120JV01L GRM42 6 CH 4030011220 S CERAMIC GRM31M2C2H360JV01L GRM42 6 CH 4030006860 S CERAMIC C1608 JB 1H 102K T 4030011090 S CERAMIC GRM31M2C2H7RODVO1L GRM42 6 CH 4030011190 S CERAMIC GRM31M2C2H270JV01L GRM42 6 CH 4030009500 S CERAMIC C1608 CH 1H OR5B T
35. DA221 TL DA221 TL DAN222TL HVC136TRF HVC136TRF HVC136TRF DAN222TL 188355 17 188355 17 HVC136TRF HVC136TRF HVC136TRF HVC136TRF 28728 MA2S728 TX MA2S728 TX HVC350BTRF HVC350BTRF MA28077 TX MA2SV0500L 1SV305 TPL3 MA742 TX MA742 TX HVC350BTRF MA2SV0500L 1SV305 TPL3 MA2S077 TX MA742 TX A IA DA 00000000 AH 000000 DATA DAA AA AAA SAA SADA DAA 0 0 S Surface mount MAIN UNIT MAIN UNIT EH DESCRIPTION SADER DESCRIPTION 1790000980 S DIODE MA742 TX 1750000610 S VARICAP MA2SV0500L 1720000700 S VARICAP 1SV305 TPL3 1790001260 S DIODE MA2S077 TX 1790001160 S DIODE 1SS362 TE85R 1750000510 S DIODE UM9401F 1750000720 S VARICAP HVC375BTRF 1790001620 S DIODE 1SV308 TPL3 1790001620 S DIODE 1SV308 TPL3 1790001620 S DIODE 1SV308 TPL3 1750000510 S DIODE UM9401F 1750000940 S DIODE ISS400 TE61 1750000940 S DIODE ISS400 TE61 1710000870 S DIODE HVU131TRF 1710000870 S DIODE HVU131TRF 1750000510 S DIODE UM9401F 1750000510 S DIODE UM9401F 1730000520 ZENER RD20E B2 1790000700 DIODE DSA3A1 1790001260 S DIODE MA2S077 TX 1750000940 S DIODE ISS400 TE61 1750000940 S DIODE ISS400 TE61 1730002340 S ZENER MA8047 M TX 1750000940 S DIODE ISS400 TE61 TPE EXP on 1750000940 S DIODE ISS400 TE61 TPE KOR AUS 1750000940 S DIODE ISS400 TE61 TPE KOR on 1750000
36. Fr1 lt SqN Sqw y HP gt MP gt MP LP gt LP gt gt HP MP gt MP gt LP LP y ISqN SAW SL lt CT lt DT DT DTB DTA FT PCU PCV PT DISPLAY ADJUSTMENT ITEMS DISPLAY ADJUSTMENT ITEMS Fr Reference frequency rE rE Reference voltage rF Reference voltage POH POM POL VHF UHF output power MP LP MP HP HP MP Temperature correction PL Transmit minimum voltage PM Protect scale PV Protect voltage PP Protect power DE Frequency deviation PT Protect time DT DTCS wave form PCV PCU Protect temperature Tr Tracking Cooling fan temperature SL S Meter DTA DTB Saw Sguelch level Wide DTCS wave form DTCS CTCSS amplitude SqN Squelch level Narrow S Meter Fr1 Fr2 Fr3 Fr4 Fr5 Fr6 Fr7 Fr8 Not adjust items Reference frequency s Squelch level Wide temperature correction Squelch level Narrow 5 2 SOFTWARE ADJUSTMENTS TRANSMITTING ADJUSTMENT REFERENCE FREQUENCY Fr ADJUSTMENT CONDITION Operating frequency 445 0 MHz Loosely couple a frequency counter to the antenna connector on the rear panel
37. 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006900 S CERAMIC C1608 JB 1H 103K T 4030008920 S CERAMIC C1608 JB 1H 473K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4550006050 S TANTALUM TEMSVA 106M8L 4030011600 S CERAMIC C1608 JB 1E 104K T 4030006900 S CERAMIC C1608 JB 1H 103K T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030007000 S CERAMIC C1608 CH 1H 090D T 4030006900 S CERAMIC C1608 JB 1H 103K T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007030 S CERAMIC C1608 CH 1H 150J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030007010 S CERAMIC C1608 CH 1H 100D T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030009520 S CERAMIC C1608 CH 1H 020B T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007010 S CERAMIC C1608 CH 1H 100D T 4030007010 S CERAMIC C1608 CH 1H 100D T 4030006940 S CERAMIC C1608 CH 1H 030C T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006940 S CERAMIC C1608 CH 1H 030C T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030011600 S CERAMIC C1608
38. 12 41936 gt 9 S m m Q m Q G Q G O O gt 91938 02 51935 91935 vioas 6 91938 Rel olol 61935 2858858585588 5888 21985 61986 m 196 L91 21936 49 Ida oi ez 01935 SL 193s 50 99 6035 1 01938 HB lt lt 59 8938 5935 L9 az 1938 9935 LLL 2936 9938 VIVOS poas 6 2925 vival sisa ozsa 2985 k lt 2935 4 5925 100 oso H 089 pza 8 T R 34 5 res EY LLH 605 al AL i woo NO9 amp 89 ge 089 28H 2 LWOO 100 60 5 a 4 59 lt c a N E 5 089 998 zB 8 SL z E 5 5 8 a 8B si ES z 9 E E 5 089 188 R9 47k 2 3 1 R2 1k R6 1k JRS0000 1401 o2 E S S4 S5 S6 57 58 59 510 Su 51 53 511 SKQDPA LLI o 11 1 CONTROL UNIT ML s 47 47 0 001 C31 CONTROL UNIT 11 2 MAIN UNIT
39. 153 V 15 7030003320 S RESISTOR ERJSGEY J 101 V 100 7030003640 S RESISTOR 473 V 47 6050011650 S XTAL CR 719 15 2 MHz 7030003450 S RESISTOR 122 V 1 2 6070000200 DISCRIMINATOR CDBLA450KCAY24 B0 7030003510 S RESISTOR ERJ3GEYJ 392 V 3 9 6050009520 S XTAL CR 520 19 6608 MHz 7030003630 S RESISTOR ERJ3GEYJ 393 V 39 7030003320 S RESISTOR 101 V 100 7030003680 S RESISTOR ERJSGEY J 104 V 100 7030003680 S RESISTOR 104 V 100 7030003500 S RESISTOR ERJ3GEYJ 332 V 3 3 7030003240 S RESISTOR 220 V 22 7030003600 S RESISTOR ERJ3GEYJ 223 V 22 7030003240 S RESISTOR 220 V 22 Q 7030003600 S RESISTOR ERJ3GEYJ 223 V 22 7030003400 S RESISTOR 471 V 470 7030003640 S RESISTOR 473 V 47 7030003580 S RESISTOR ERJ3GEYJ 153 V 15 7030003530 S RESISTOR ERJSGEY J 562 V 5 6 7030003400 S RESISTOR 471 V 470 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003680 S RESISTOR ERJSGEY J 104 V 100 7030003600 S RESISTOR 223 V 22 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003630 S RESISTOR ERJ3GEYJ 393 V 39 7030003580 S RESISTOR ERJ3GEYJ 153 V 15 7030003340 S RESISTOR ERJ3GEYJ 151 V 150 7030003600 S RESISTOR ER
40. 250 8 BIS 503 CSI 69508 E 7 sat IC13 e B 0572 65 REL Q P 8 145 mn S wa Y Rar 22 8 52 R88 acf ege BIB B 669 552 a H 159 88 9 3 d 8 nus 13 12 gt 43 j 55 J 5 Em 072 5 r du 019 g RI m L 10504 p LI 8 R8 1156 4 EB E a 4887 BB E L 24 E mum BS 198 90199 Carol 58 p Mm Ss 2 gb 017 8 roe ae Pa gui a a 8 46 A E 3 E 5 l S 318 El ee 1c8 3E 8 8 B gy BE Rr ls d ai gu am 5B NG oo Moa SE 9 ie um 883 C C 166 Kaba En E a 3 8 ska B 558 8 5 08 15 08 E B a e Ca EI dal lt 822 5 ics M nz ee TRA y d Qn f 235 mE EE 23 5 3g B rA q 254 E e s 8 g IW Ge a 5 mE gy 16522 E a 11533 B 03 8 E Py 3 BB 055 E r ALA lt gt 6626 617 0610 BD lt a mi s Jg B 42 8 169 2160 5 s 59 8 gu peg 51 Bus Ges 573 10629 055 IRIS m 618 oo BEN B 258 Kl 1 9 RI68 05 38 8 HB EE SE Tu 5 4 8 6668 0562 515 e C306
41. 5 6k except USA R510 1k MO SEL S ajal ae 0511 NN E Roos UNR9213J R523 4 1 SVS W 2 n 5VSW ook 4 DATAMOD ev EP501 m 8V 4 L ss O MCUD 502 1 88 EXTMIC EP503 507 100k 2 to PTT EP504 t w i 82 0 505 Microphone SES 2 E Sess 0 60 1 EP507 8V R584 O TMiciN 508 27k USA 3 8 2k except USA DATAIN a x 35 515 PLLSW 53 0511 0513 2838 8 w R532 ar R56 5 UNR9213J UNR9113J 85 150k mom AMA 4 8V 33 E ss g 2 85 88 Be 1 EN T sp m 88 4 I 1507 85 gas 772 TATSSO1F RXVHF I I 887 88 RX400 gt m 0506 8 n nm me W546 R513 1 mE 2564116 77 Es ass 026 55 028 t R516 10k UNR9t14J RX 4 4v 5 sJ UNR9114J to CONTROL O Tapara Fi PEO ik t R525 Wak WANA unit J3 AW 1 506 43V RXUHF RX800 g GND EP511 P 9 E TA75S558F 1 1 HT el 85 027 3 3 029 s s s UNR9114J 185 T UNR9114J Ji 888 77 11 2 BUS LINE1 BUS LINE2 i una tna OTXL A RX 0V TX 7 8V 47n L45 77149 77 56n 25077 2
42. C2012 JF 1C 105Z T 4030008890 S CERAMIC C1608 JB 1H 273K T 4510007310 S ELECTROLYTIC 16 CV 10 BS 4030006860 S CERAMIC C1608 JB 1H 102K T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030006900 S CERAMIC C1608 JB 1H 103K T 4030008680 S CERAMIC C2012 JF 1C 105Z T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030008880 S CERAMIC C1608 JB 1H 223K T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030008650 S CERAMIC C1608 JB 1H 332K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030008650 S CERAMIC C1608 JB 1H 332K T 4030012610 S CERAMIC C2012 JB 1C 474K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030008920 S CERAMIC C1608 JB 1H 473K T 4030011810 S CERAMIC C1608 JB 1A 224K T 4510007310 S ELECTROLYTIC 16 CV 10 BS 4510008130 S ELECTROLYTIC 16 CV 220 BS 4510008140 S ELECTROLYTIC 10 CV 470 BS 4030011600 S CERAMIC C1608 JB 1E 104K T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030007090 S CERAMIC C1608 CH 1H 470J T 4030008680 S CERAMIC C2012 JF 1C 105Z T 4510007310 S ELECTROLYTIC 16 CV 10 BS 4510007310 S ELECTROLYTIC 16 CV 10 BS 4550006170 S TANTALUM ECST1AY225R 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4550006170 S TANTALUM ECST1AY225R 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030011730 S CERAMIC GRM31M2
43. JB 1E 104K T 4030009520 S CERAMIC C1608 CH 1H 020B T 4030007040 S CERAMIC C1608 CH 1H 180J T 4030006860 S CERAMIC C1608 JB 1H 102K T gt 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006900 S CERAMIC C1608 JB 1H 103K T 4030006900 S CERAMIC C1608 JB 1H 103K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030008920 S CERAMIC C1608 JB 1H 473K T 4030009920 S CERAMIC C1608 CH 1H 050B T 4030008770 S CERAMIC C1608 JB 1H 562K T 4030007070 S CERAMIC C1608 CH 1H 330J T 4030009920 S CERAMIC C1608 CH 1H 0508 4030008900 S CERAMIC C1608 JB 1H 333K T 4030010770 S CERAMIC C1608 JB 1H 392K T 4550006210 S TANTALUM ECST1CX106R 4030007060 S CERAMIC C1608 CH 1H 270J T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030012660 S CERAMIC C1608 JB 1E 683K T 4030012660 S CERAMIC C1608 JB 1E 683K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030009970 S CERAMIC C1608 JB 1H 182K T 4030006920 S CERAMIC C1608 CH 1H 010C T 4030006850 S CERAMIC C1608 JB 1H 471K T 4030006850 S CERAMIC C1608 JB 1H 471K T 4030008880 S CERAMIC C1608 JB 1H 223K T 4030006870 S CERAMIC C1608 JB 1H 222K T 4510007300 S ELECTROLYTIC 50 CV 1 BS 4030007090 S CERAMIC C1608 CH 1H 470J T 4030007090 S CERAMIC C1608 CH 1H 470J T 4550006250 S TANTALUM _ TEMSVA 1A 106M 8L 4030008860 S CERAMIC
44. More than 12 kHz 6 dB Wide More than 6 kHz 6 dB Narrow Less than 30 kHz 60 dB Wide Less than 20 kHz 60 dB Narrow Spurious and image rejection More than 60 dB Audio output power at 13 8 V More than 2 0 W at 10 distortion with an 8 O load e External speaker connector 2 conductor 3 5 d mm 18 8 Q All stated specifications are subject to change without notice or obligation 1 1 SECTION 2 INSIDE VIEWS lt CONTROL UNIT TOP VIEW LCD back light DS22 CV1074 o back lights 13 DS18 DS20 SML512MW 082 SML 020MYT lt MAIN UNIT TOP VIEW Ceramic pancpass filter CFWS450HT FI2 CEWM450E 1st mixer VHF band amplifier Q32 3SK299 IC510 LA4425A st mixer 400M 800MHz band a 12 uP 2757 D A converter IC11 M62352GP EEP ROM 501 58 24128 VCO board MAIN CPU IC505 HD6432143SA70FA 5 y HD6432143SA69FA except USA lt CONTROL UNIT BOTTOM VIEW Color controller Q3 2SA1734 8V regulator Q6 Q7 2SC4116 2SC4116 5V regulator 105 TA78LO5F D4 MA8062 D5 MA8068 Control unit CPU IC6 HD6433842RB36H lt MAIN UNIT BOTTOM VIEW nins Sr M _ APC controller 1015 NJM3404AV PA module UHF band IC14 S AU82L 1st mixer UHF band Q35 3SK299 C B5945B Ny M eis Reset IC IC2 S 80945CLMC G7F Aan 2 nni 8V
45. RECEIVING Continued ADJUSTMENT ADJUSTMENT CONDITION OPERATION Operating frequency 146 1 MHz Connect SSG to the antenna connector and set as Push the BAND key Level Modulation Deviation Receiving 0 079 pV 129 dBm 1 kHz 3 5 kHz Operating frequency Receiving 445 1 MHz Push the BAND key Operating frequency Set SSG as Level Receiving 435 1 MHz 0 1 127 dBm Push the BAND key Operating frequency Set SSG as Level Receiving 810 1 MHz 0 25 uV 119 dBm Push the BAND key Narrow SqN Operating frequency Level Modulation Deviation Receiving 146 1 MHz Connect SSG to the antenna connector and set as 0 071 uV 130 dBm 1 kHz 3 5 kHz Push the BAND key Operating frequency Receiving 445 1 MHz Push the BAND key Operating frequency Set SSG as Level Receiving 435 1 MHz 0 1 127 dBm Push the BAND key Operating frequency Set SSG as Level Receiving 810 1 MHz 0 25 uV 119 dBm Push the BAND key TEMP CORRECTION High power VHF 10 C Operating frequency Receiving 146 0 MHz Turn the DIAL to set to F9 on the display Push the BAND key Operating frequency
46. RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR 332 V 3 3 332 V 3 3 102 V 1 102 V 1 271 V 270 9 473 V 47 473 V 47 223 V 22 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 222 V 2 2 271 V 270 9 ERJ3GEYJ 390 V 39 151 V 150 9 150 V 15 0 ERJ3GEYJ 331 V 330 Q 151 V 150 9 ERJ3GEYJ 331 V 330 Q MCR10EZHJ 120 Q 121 ERJ3GEYJ 472 V 4 7 102 V 1 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 681 V 680 Q 470 V 47 Q ERJ3GEYJ 222 V 2 2 101 V 100 9 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 222 V 2 2 220 V 22 Q MCR10EZHJ 22 Q 220 102 V 1 ERJ3GEYJ 472 V 4 7 102 V 1 ERJ3GEYJ 472 V 4 7 681 V 680 Q 221 V 220 9 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 472 V 4 7 MCR10EZHJ 22 Q 220 MCR10EZHJ 22 0 220
47. RESISTOR ERJ3GEYJ 102 V 1 kQ AAA 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 DAA 0 DAA AAA AAA AA 5 5 55 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount VCO UNIT ORDER NO DESCRIPTION MAIN UNIT ORDER NO DESCRIPTION 4030006980 4030006860 4030006950 4030009520 4030007130 4030009510 4030006860 4030006860 4030009540 4030006950 4030006860 4030006950 4550000540 4550000530 4030006930 6910006810 6910006810 7030003860 7030003860 0910056492 MAIN UNIT ORDER NO S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S TANTALUM S CERAMIC CONNECTOR CONNECTOR S JUMPER S JUMPER PCB C1608 CH 1H 070D T C1608 JB 1H 102K T C1608 CH 1H 040C T C1608 CH 1H 020B T C1608 CH 1H 101J T C1608 CH 1H 010B T C1608 JB 1H 102K T C1608 JB 1H 102K T C1608 CH 1H 1R5B T C1608 CH 1H 040C T C1608 JB 1H 102K T C1608 CH 1H 040C T TESVA 1V 154M1 8L TESVA 1V 104M1 8L C1608 CH 1H 020C T IMSA 9210B 1 10Z204 T IMSA 9210B 1 10Z204 T ERJ3GE JPW V ERJ3GE JPW V except USA except USA B 5947B DESCRIPTION T T T T T T T B T T T T B B B 114
48. T 6200005190 S COIL MLF1608D R56K T 6200004480 S COIL MLF1608D R82K T 6200003540 S COIL MLF1608D R22K T 6200003640 S COIL MLF1608E 100K T 6200005730 S COIL ELJRE 39NG F WU NE ee 1750000940 S DIODE ISS400 TE61 TPE KOR on 1750000940 S DIODE 165400 TE61 TPE KOR on 1750000940 S DIODE 165400 TE61 TPE KOR on 1750000940 S DIODE ISS400 TE61 TPE KOR on 1750000940 S DIODE ISS400 TE61 except EXP 1750000940 S DIODE ISS400 TE61 except EXP 1790000980 S DIODE MA742 TX 1750000370 S DIODE DA221 TL 1750000940 S DIODE ISS400 TE61 1750000940 S DIODE ISS400 TE61 1750000940 S DIODE ISS400 TE61 1750000800 S DIODE HVC136TRF 1750000800 S DIODE HVC136TRF 1750000800 S DIODE HVC136TRF 1750000520 S DIODE DAN222TL lt 4004440 4454454444444 44540 A AWU WAAAAAAWAAWAAAAAAAANAAAAAANAAAAAANAAAAAAAA 7030003680 S RESISTOR 104 V 100 7030003560 S RESISTOR 103 V 10 2020001460 CERAMIC CFWLA450KHFA B0 CFWS450HT 7030003840 S RESISTOR ERJ3GEYJ 225 V 2 2 2020001270 CERAMIC CFWLB450KE2A B0 CFWM450E 7030003680 S RESISTOR 104 V 100 2010002560 S MONOLITH FL 344 46 05 MHz 7030003660 S RESISTOR ERJSGEY J 683 V 68 2040001000 S SAW EFCH435MWNP1 except USA 7030003820 S RESISTOR ERJ3GEYJ 155 V 1 5 MQ 2040001020 S SAW EFCH445MWNP1 USA only 7030003580 S RESISTOR ERJ3GEYJ
49. V 5 6 except USA 822 V 8 2 USA only 822 V 8 2 except USA ERJ3GEYJ 273 V 27 USA only ERJ3GEYJ 472 V 4 7 153 V 15 332 V 3 3 473 V 47 ERJ3GEYJ 104 V 100 kQ 473 V 47 104 V 100 225 V 2 2 333 V 33 225 V 2 2 ERJ3GEYJ 104 V 100 ERJ3GEYJ 103 V 10 473 V 47 ERJ3GEYJ 472 V 4 7 225 V 2 2 225 V 2 2 474 V 470 225 V 2 2 225 V 2 2 MCR10EZHJ 4 7 4R7 ERJ3GEYJ 103 V 10 225 V 2 2 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 151 V 150 182 V 1 8 ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 101 V 100 ERJ3GEYJ 221 V 220 182 V 1 8 470 V 47 Q AAA ADA AAA A 0000 AAA AAA AA DADA DAA DUDA ADA 4 40040004044 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 S Surface mount MAIN UNIT MAIN UNIT Mr s DESCRIPTION iar x DESCRIPTION 7030003640 S RESISTOR 473 V 47 7030003660 S RESISTOR 683 V 68 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003800
50. circuits except SHF signals 4 1 2 ANTENNA SWITCHING CIRCUITS MAIN UNIT The antenna switching circuit functions as a low pass filter while receiving However its impedance becomes very high while transmitting by turning ON diode VHF D47 D49 D50 UHF D46 D48 D51 Thus transmit signals are blocked from entering the receiver circuits The antenna switching circuit employs 1 41 type diode switching sys tem SHF signals pass through the RX switching circuit D44 The passed signals are then applied to the each attenuator circuits 4 1 3 ATTENUATOR CIRCUITS MAIN UNIT The attenuator circuit attenuates the signal strength to a maximum of 10 dB to protect the RF amplifier from distortion when excessively strong signals are received RF CIRCUITS i signals 118 174 MHz lt 00 1st miker 032 to the 2nd IF circuit atii signals 430 440 MHz RX Sw Es 1st mixer Q35 400M signals 230 550 MHz RX Qa RX Sw Sw 151 mixer IC12 800M signals 810 1000 MHz e The signals from the antenna switching circuit pass through the each attenuator circuit for VHF is D49 and D50 for UHF is D46 and 048 for SHF is 039 The D A converter outputs ATT signal IC11 pin 6 and is then applied to the attenuator controller circuit Q44 The circuit output attenuator control signals t
51. detector circuit employs a quadrature detection method liner phase detection which uses a ceramic dis criminator X2 for phase delay to obtain a non adjusting cir cuit The detected signal from IC5 pin 9 passes through the AM FM selector circuit IC5 pins 7 1 and is then applied to the AF circuit IN CASE OF AM SIGNAL RECEIVING The signal is amplified at the amplifier Q16 and is then applied to the AM detector circuit Q13 for demodulation the 2nd IF signal into AF signals The detected signal from Q13 passes through the AM FM selector circuit IC5 pins 6 1 and is then applied to the AF circuit 4 1 8 AF AMPLIFIER CIRCUIT MAIN UNIT The AF amplifier circuit amplifies the detected signals to drive a speaker The AF circuit includes an AF mute circuit for the squelch The detected AM or FM AF signals are applied to AF mute circuit Q14 The output signals pass through the low pass filter Q5 and are then applied to the electric volume circuit IC508 pin 1 The signals are applied to the other AF mute circuit Q512 The signals are level adjusted at the volume control IC IC508 and are amplified at the AF power ampli fier IC510 pin 1 after being passed through the other AF mute circuit Q512 The output signal from IC510 4 drives the external or internal speaker A part of signals from the AM FM selector circuit IC5 pin 1 pass through low pass filters When the signal passes through the
52. for USA and Number of memory channel 502 including 2 call channels Usable temperature range 10 C to 60 C 14 F to 140 F Frequency resolution 5 10 12 5 15 20 25 30 50 100 and 200 kHz Scan mode Full Program Priority Memory channel Bank Skip and Tone Frequency stability 10 ppm 107 to 60 C 14 F to 140 F Power supply requirement 13 8 V DC 15 negative ground Current drain at 13 8 V DC High 55 W 50 W 25 W 12 11 5 A 8 11 5 A BA Middle 15 W Approx 7 5A Low 5 W Approx 5 5A 5 0A Standby 0 8A Maximum output power 1 0A VHF only except KOR only Antenna connector SO 239 50 Q DATA connector Mini DIN 6 pin Dimensions 141 W x40 H x185 4 D mm 59 6 W x196 H x7982 D inch projections not included Weight 1 2 kg 2 Ib 10 oz TRANSMITTER Output power VHF 55 W 50 W KOR 25W 15 W 5 W selectable UHF 50 W 15 W 5 W selectable Modulation system Variable reactance frequency Maximum frequency deviation 5 0 kHz Spurious emissions Less than 60 dB Microphone connector 8 pin modular jack 600 Q RECEIVER Receive system Double conversion superheterodyne Intermediate frequency dst IF 46 05 MHz 2nd IF 450 kHz Sensitivity Less than 0 18 uV at 12 dB SINAD Squelch sensitivity Less than 0 13 pV at threshold Selectivity
53. kak AW S 0 0 als E Bx 32 MHH MR 212 58 bed 5 E 1000 X28 s z 8968 0680 Ls 38 74 Tis 3 9920 58 ESE o COOSNONYSLADT 1000 33 AR 1 58 SAR LA 6099 ER L X01 097 97 100 oS ui z 7 0529 8268 1520 1920 4 a 2 AMM MAR w MAR His 1k gt X WI 100 dozz 1298 8129 6224 0628 2520 ggd ESZI 1 yw ME 41 HHA gt amp 82 52 01 1000 3001 3001 020 Sezo 6129 z 2 1000 9 4 921029 S 1000 8 ee 920 1228 387 8 8829 8 MR s 38 3001 a 004 32 n 8 6028 Ny 32 w w 1000 1000 100 2744 6120 020 9220 HN nn rm 4 ST de 0 1000 EN 1000 POOR 8125 BST 8652 1220 9024 wal g 1000 dozi 8OSEOAH r ke jal 1000 POOR 6020 8020 620 2220 8 sk Bo EE ER OODENENYEIMO IHH SET so ig 2 32 widi E sel 100 0 LLOSEVW sSOASZVNW HE z EN EE 4220 oca Bk HE tr FE 8 gt 1254 va e L 1000 ul 1000 xp 1000 90 2 Em e ww 2099 N 229 228 5 29551 2 2 5 PIDE HE gt gsm
54. receiving 230 630 MHz RSSI Input port for the RSSI signal from the FM IF IC IC8 pin 12 to detect receiv ing signal strength TEMP Input port for the transceiver s internal temperature signal Outputs the R5 regulator Q27 control signal High While receiving 430 450 MHz WXALT Input port for the WX alert 1050 Hz signal Outputs the R5 regulator Q26 control signal High While receiving 118 174 MHz DTMF Outputs DTMF E TONE and BEEP signals DTCS Outputs CTCSS and DTCS signals Outputs modulation mute control sig nal to the VCO circuits High While modulation is muting P SQL Outputs the packet squelch control signal High While the squlech is opened FAN CTRL Outputs the cooling fan control signal High While the cooling fan is worked MUTE Outputs the microphone muting con trol signal Low While the microphone is muted CLONE OUT Outputs the cloning signal R5CTRL Outputs the R5 regulator 24 control signal Low While receiving MAIN unit IC505 Continued Port name Description VCO_SHIFT Outputs the VCO circuit select signal High The VCO circuit oscillates 203 95 263 945 MHz signal V_VCO PLLSW Outputs the VHF VCO select signal High The VHF VCO s power supply Q6 Q8 is ON Outputs the PLL loop control signal UNLK Input port
55. signal at the 1st mixer circuit Q32 to produce a 46 05 MHz 1st IF signal The 1st IF signal passes through the RX switching circuit D8 and are then applied to the 1st IF cir cuit UHF 430 MHz 440 MHz 1ST MIXER CIRCUIT The signals from the UHF RF circuit are mixed with the 1st LO signal at the 1st mixer circuit Q35 to produce a 46 05 MHz 1st IF signal The 1st IF signal passes through the RX switching circuit D9 and are then applied to the 1st IF cir cuit ABOVE 230 MHz EXCEPT 430 MHz 440 MHz 1ST MIXER CIRCUIT The signals from the above 230 MHz and above 800 MHz RF circuit are mixed with the 1st LO signal at the 1st mixer circuit IC12 to produce a 46 05 MHz 1st IF signal The 1st IF signal passes through the RX switching circuit D10 and are then applied to the 1st IF circuit The output 46 05 MHz 1st IF signals from the each RX switching circuits is applied to the crystal bandpass filter FIS and then passed through the limiter circuit 06 The signal is amplified at the IF amplifier Q18 and then applied to the 2nd mixer circuit IC8 4 1 7 2ND IF AND DEMODULATOR CIRCUITS MAIN UNIT The 2nd mixer circuit converts the 1st IF signal to a 2nd IF signal A double superheterodyne system which converts receive signals twice improves the image rejection ratio and obtains stable receiver gain The FM IF IC IC8 contains the 2nd local oscillator 2nd mixer limiter amplifier quadrature detector an
56. 0 S CERAMIC C1608 JB 1H 102K T 4030009520 S CERAMIC C1608 CH 1H 020B T 4030006950 S CERAMIC C1608 CH 1H 040C T 4030011210 S CERAMIC GRM31M2C2H330JV01L GRM42 6 CH 4030011060 S CERAMIC GRM31M2C2H4ROCY21L GRM42 6 CH 4030009530 S CERAMIC C1608 CH 1H 030B T 4030011020 S CERAMIC GRM31M4C2H1ROCY21L GRM42 6 CK 4030011140 S CERAMIC GRM31M2C2H120JV01L GRM42 6 CH 4030011020 S CERAMIC GRM31M4C2H1ROCY21L GRM42 6 CK 4030011150 S CERAMIC GRM31M2C2H130JV01L GRM42 6 CH 4030007170 S CERAMIC C1608 CH 1H 221 4030007020 S CERAMIC C1608 CH 1H 120J T 4030006920 S CERAMIC C1608 CH 1H 010C T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030009520 S CERAMIC C1608 CH 1H 020B T 4030010780 S CERAMIC C1608 CH 1H 1R5C T 4030009510 S CERAMIC C1608 CH 1H 010B T 4030007140 S CERAMIC C1608 CH 1H 121J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030011280 S CERAMIC C1608 CH 1H 271 4030007020 S CERAMIC C1608 CH 1H 120J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030009540 S CERAMIC C1608 CH 1H 1R5B T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006940 S CERAMIC C1608 CH 1H 030C T 4030006860 S CERAMIC C1
57. 0005990 1140005990 1110005340 1190000350 1130006220 1130004200 1130004200 1110003200 1130006220 1130006220 1110004310 1110005230 1150002160 1150002120 1110004050 1140009240 1110005780 1180001070 1180001250 1140011350 1140011360 1130007370 1110002750 1110004490 1130008090 1110003090 1110004050 1590003290 1530002850 1590001650 1530002850 1590001190 1590002270 1530002380 1590002380 1510000770 1530002690 1510000770 1530002690 1590001190 1590001450 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S C S C S IC S IC S IC S IC S IC S IC S IC S IC S IC S IC IC IC S IC S IC S IC S IC S IC S IC S IC S IC S IC S IC S IC IC S IC S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S FET MB15A02PFV1 G BND ER MB15A02PFV1 G BND ER NJM12902V TE1 M62363FP 650C TC4W53FU TE12L TC4S66F TE85R TC4S66F TE85R TA31136FN EL TC4W53FU TE12L TC4W53FU TE12L M62352GP 75EC 2757 5 32 2 S AU82L l NJM3404AV TE1 HN58X24128FPI S 80945CLMC G7F T2 TA7805F TE16L TA7808F TE16L HD6432143SA69FA FX 2633B except USA HD6432143SA70FA FX2633C USA only TA75S558F TE85L TA75S01F TE85R M62429FP 700 BU4066BCFV E1 LA4425A NJM3404AV TE1 UN9213J TX 28C4116 BL TE85R XP4
58. 01 10 V terminated type Impedance 50 Q SWR Less than 1 2 1 Audio generator Frequency range 300 3000 Hz Measuring range 1 500 mV Frequency range 0 1 600 MHz Frequency counter Frequency accuracy 1 ppm or better Attenuator Sensitivity 100 mV or better Power attenuation 50 or 60 dB Capacity 150 W or more Frequency range 0 1 1200 MHz Standard signal Output level 0 1 uV 32 mV generator SSG 7127 to 17 dBm ENTERING THE ADJUSTMENT MODE Turn the transceiver s power OFF 2 Connect the JIG cable to the MIC jack Push and hold the SET and BAND keys and then turn power ON NOTE Exiting from the adjustment mode when the transciever s power is OFF OPERATING ON THE ADJUSTMENT MODE Change the adjustment value DIAL Verifying the adjustment value M CALL key Forward the adjustment item SET LOCK key Go back the adjustment item S MW MW key Store the adjustment value in the memory BAND key CAUTION Need to push the BAND key when storing the adjustment value in the memory Otherwise the transceiver is not adjusted properly ATTENTION DO NOT adjust following adjusment items Because they are adjusted automatically when other adjustment items are adjusted Otherwise the transceiver do not work properly Refer to the next page in detail DISPLAY ADJUSTMENT ITEMS Fr1 4Fr8 Reference frequency s temp correction
59. 02K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007010 S CERAMIC C1608 CH 1H 100D T 4030007010 S CERAMIC C1608 CH 1H 100D T 4030007010 S CERAMIC C1608 CH 1H 100D T 4030007010 S CERAMIC C1608 CH 1H 100D T 4030006860 S CERAMIC C1608 JB 1H 102K T 4 4 A 6510014960 S CCONNECTOR B2B ZR SM3 TF 6510023110 CONNECTOR 3008L 8P8C lt gt 6510019321 CONNECTOR 1729 REAR CONNECTOR 1 6510023160 CONNECTOR DN 508B 6 lt KUO gt 6510014960 SCONNECTOR B2B ZR SM3 TF 6510023590 CONNECTOR HSJ2000 01 010 7120000470 JUMPER ERDS2T0 7120000470 JUMPER ERDS2TO 7120000470 JUMPER ERDS2T0 8900004880 CABLE OPC 465 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030000010 S JUMPER MCR10EZHJ JPW 000 SAA AAA 4400004 eenn 0D A DA A A AA A AAA A A A A A A A AA A AAA A A DA DAA AAA AAA 44004444 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount MAIN UNIT ORDER DESCRIPTION 7030000010 S JUMPER MCR10EZHJ JPW 000 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030000010 S JUMPER MCR10EZHJ JPW 000 7
60. 030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030000010 S JUMPER MCR10EZHJ JPW 000 7030000010 S JUMPER MCR10EZHJ JPW 000 7030000010 S JUMPER MCR10EZHJ JPW 000 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030000010 S JUMPER MCR10EZHJ JPW 000 7030000010 S JUMPER MCR10EZHJ JPW 000 7030003860 S JUMPER ERJ3GE JPW V 600 DU DD UU U U 60 DU U U U D U U U U aa Baa Saa 4 BO DDD 4 aa Baa 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6
61. 2350 6910012350 6910015120 6910015120 8930060040 0910056472 VCO UNIT 1590003290 1590003300 1530003580 1530003580 1530003580 1530002560 1590003290 1530003580 1530003580 1530003580 1530003580 1590003290 1720000650 1720000730 1720000730 1790001260 1790001620 1790001260 1790001260 1790001260 1720000650 1750000720 1750000720 1790001620 1790001260 1790001260 CONNECTOR LCD S LED S LED S LED S LED S LED S LED S LED S LED LED S LED SWITCH S SWITCH S SWITCH S SWITCH S SWITCH S SWITCH S SWITCH S SWITCH S SWITCH S SWITCH S JUMPER S BEAD S BEAD S BEAD S BEAD S BEAD LCD CONTACT PCB S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S VARICAP S VARICAP S VARICAP S DIODE S DIODE S DIODE S DIODE S DIODE S VARICAP S VARICAP S VARICAP S DIODE S DIODE S DIODE 2633 FRONT CONNECTOR L2 0736TAY SML 512MW T86P SML 512MW T86P SML 512MW T86P SML 512MW T86P SML 512MW T86P SML 512MW T86P SML 512MW T86P SML 020MYT CV1074 SML 512MW T86P JRS0000 1401 SKQDPA SKQDPA SKQDPA SKQDPA SKQDPA SKQDPA SKQDPA SKQDPA SKQDPA MCR10EZHJ JPW 000 MMZ2012D 301BT MMZ1608Y 102BT MMZ1608Y 102BT MMZ2012D 301BT MMZ2012D 301BT SRCN 2633 SP N W B 5945B DESCRIPTION UN9213J TX UN921NJ TX 2SC5231C8 TL 2SC5231C8 TL 2SC5231C8 TL 2SC4403 3 TL UN9213J TX
62. 30 4030007130 4030006860 4030006900 4030006860 4030006860 4030007090 4030007090 4030006900 4030011600 4030011600 4030011600 4510007310 4030006900 4030006860 4510007310 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S IC S IC S IC S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S ZENER S ZENER S CERAMIC VARIABLE S RESISTOR VARIABLE S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC S ELECTROLYTIC S 80945CLMC G7F T2 TA78L05F 128 HD6433842RD36H FX2633D 2SC4116 GR TE85R XP4601 TX 2SA1734 TE12R 2SC4116 GR TE85R 2SC4116 GR TE85R MA8062 L TX MA8068 M TX EFOS4914E3 EVU F2AF20B55 560K ERJ3GEYJ 102 V 1 EVU F2AF20B55 560K ERJ3GEYJ 102 V 1 473 V 47 ERJ3GEYJ 473 V 47 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 473 V 47 ERJ3GEYJ 102 V 1 ERJ3GEYJ 474 V 470
63. 30004050 S RESISTOR ERJ3GEYJ 1R0 V 1 7030004050 S RESISTOR ERJ3GEYJ 1R0 V 1 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 7030003240 S RESISTOR ERJ3GEYJ 220 V 22 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 7030003600 S RESISTOR ERJ3GEYJ 223 V 22 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 7030003840 S RESISTOR ERJ3GEYJ 225 V 2 2 7030003600 S RESISTOR ERJ3GEYJ 223 V 22 7030003550 S RESISTOR ERJ3GEYJ 822 V 8 2 7030003840 S RESISTOR ERJ3GEYJ 225 V 2 2 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003280 S RESISTOR ERJ3GEYJ 470 V 47 7030003370 S RESISTOR ERJ3GEYJ 271 V 270 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003470 S RESISTOR ERJ3GEYJ 182 V 1 8 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003470 S RESISTOR ERJ3GEYJ 182 V 1 8 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 2 7030004050 S RESISTOR ERJ3GEYJ 1R0 V 1 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 7030003210 S RESISTOR ERJ3GEYJ 120 V 12 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 7030003210 S RESISTOR ERJ3GEYJ 120 V 12 Q 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 7030003440 S
64. 3480 7030003370 7030003270 7030003340 7030003220 7030003380 7030003340 7030003380 7030000270 7030003520 7030003440 7030003520 7030003420 7030003280 7030003480 7030003320 7030003480 7030003480 7030003480 7030003240 7030000180 7030003440 7030003520 7030003440 7030003520 7030003420 7030003360 7030003520 7030003520 7030000180 7030000180 7030003370 7030003480 7030003320 7030004050 7030003480 7030003480 7030003480 7030003220 7030003320 7030003230 7030003360 7030003440 7030003360 7030003720 7030003360 7030003360 7030003560 7030003650 7030003360 7030003720 7030003560 7030003560 7030003240 7030003680 7030003720 7030003680 7030003680 7030003680 7030003200 7030003680 7030003200 7030003610 7030003600 7030003440 7030003680 7030003510 7030003280 7030003320 7030003320 7030003510 7030003440 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S
65. 4030006860 S CERAMIC C1608 JB 1H 102K T 4030011110 S CERAMIC GRM31M2C2H9RODVO1L GRM42 6 CH 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030011070 S CERAMIC GRM31M2C2H5ROCY21L GRM42 6 CH 4030006940 S CERAMIC C1608 CH 1H 030C T 4030008920 S CERAMIC C1608 JB 1H 473K T 4030009540 S CERAMIC C1608 CH 1H 1R5B T 4030011090 S CERAMIC GRM31M2C2H270JV01L GRM42 6 CH 4030006860 S CERAMIC C1608 JB 1H 102K T 4030009920 S CERAMIC C1608 CH 1H 050 4030009560 S CERAMIC C1608 CH 1H R75B T 4030007060 S CERAMIC C1608 CH 1H 270 4030009540 S CERAMIC C1608 CH 1H 1R5B T 4030011170 S CERAMIC GRM31M2C2H180JV01L GRM42 6 CH 4030011040 S CERAMIC GRM31M4C2H2ROCY21L GRM42 6 CK 4030011600 S CERAMIC C1608 JB 104 4510006020 ELECTROLYTIC 16 MV 2200 HC 4030006860 S CERAMIC C1608 JB 1H 102K T 4030009590 S CERAMIC C2012 JF 1 2257 4030006900 S CERAMIC C1608 JB 1H 103K T 4030007090 S CERAMIC C1608 CH 1H 470 4030012610 S CERAMIC 2012 JB 1 474 4030006900 S CERAMIC C1608 JB 1H 103K T 4030007090 S CERAMIC C1608 CH 1H 470 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007070 S CERAMIC C1608 CH 1H 330J T 5555554 5444400 FAA AA AA AAA ADA AAA A 0 WA AWWA AA OWA AWA WA AWA 0000000077000 00 0343443344474 0344034344074 0 00 04 4 4 000004 AAA AAA ADD M Mounte
66. 44 148MHz2 046 155400 16504 M62363FP 650C LHe PRE PWR SWR TXIRX TA7808F SON BOL xi A 6 ATT DRIVE AMP LPF JAH ber HA Sw HPF LPF CR 719 65 A 022 4 028 742 26412362 53 2804116 2804215 Q31 034 2803357 1 14 034 742 019 2865085 014 155355 S AUB2L UNR9213J yy Y y b i 545 3 HPF 615 NIMSAO4AV VT8 UT8 Q42 UNR9113J IDC LPF MB15A02PFV 1 D103 1SV308 REG P REG 1 gt 03 155400 0102 0104 MA2S077 045 UNR9113J 023 IC3d Cac 0527 155400 4 2SC5231 0105 MA28077 CTRL X la 2501892 NJM12902V NJM12902V NJM12902V P LOOP amp veo LPF MUTE UNR9213J 4 FIL sw 0515 UNR9114J AE UT8 Gi QT1 2SA1586 Q516 UNR9213J 1 R5 a er Q100 D101 D102 HVC375B D530 HVC136 118 174MHz DTCS xm UNRS213J D100 15 286 1 Da2 6350 gt IC7 TC4S66F 015 HVC136 023 HVC350B SELECT 95 cias 016 HVC136 D29 HVC350B AVCS7SB E T D MUTE D7 DAN222 0105 0106 1SV308 10 SW LO SW J502 UNR9213J 0107 MA2S077 x X 8v PLL Sw VCO Q38 Turun BUFF D SW 3SK299 1 Q513 UNR9113J Q104 0514 UNR9213J MMUTE 2505231 l MICE VCO_SHIFT Q32 x 55 ____ gt DOUBLER 9 20 h RX o 014 sw Fi PLLCK PLLDATA PLLSTB1 nn F paji Sak a AA PLLSTB2 UNLK Y UHF R5 pj PIT MODIN
67. 510007310 S ELECTROLYTIC 16 CV 10 BS 4030008900 S CERAMIC C1608 JB 1H 333K T 4030006900 S CERAMIC C1608 JB 1H 103K T 4030008920 S CERAMIC C1608 JB 1H 473K T 4030008920 S CERAMIC C1608 JB 1H 473K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007130 S CERAMIC C1608 CH 1H 101 4030006850 S CERAMIC C1608 JB 1H 471K T 4550003220 S TANTALUM TEMSVA 1E 105M 8L 4550000550 S TANTALUM TESVA 1V 224M1 8L 4550000550 S TANTALUM TESVA 1V 224M1 8L 4550006250 S TANTALUM TEMSVA 1A 106M 8L 4030011600 S CERAMIC C1608 JB 1E 104K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030011600 S CERAMIC C1608 JB 1E 104 4030006860 S CERAMIC C1608 JB 1H 102K T 4510008120 S ELECTROLYTIC 16 CV 100 BS 4030007170 S CERAMIC C1608 CH 1H 221 4030007170 S CERAMIC C1608 CH 1H 221J T 4550002980 S TANTALUM TEMSVA 1C 225M 8L 4550006250 S TANTALUM TEMSVA 1A 106M 8L 4550006480 S TANTALUM TEMSVA 1C 475M 8L 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007010 S CERAMIC C1608 CH 1H 100D T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006900 S CERAMIC C1608 JB 1H 103K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030017480 S CERAMIC C1608 JB 1A 474K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007120 S CERAMIC C1608 CH 1H 820J T 4030011600 S CERAMIC C1608 JB 1E 104 4030008900 S CERAMIC C1608 JB 1H 333K T 4030006860 S CERAMIC C1608 JB 1H
68. 601 TX 28C4116 BL TE85R XP6501 TX UMG9N TL 25 4215 TE85R XP1115 TX 2SA1586 GR TE85R 28C4116 GR TE85R 2SA1586 GR 28C4116 GR TE85R XP6501 TX 28J144 GR TE85R WW0 2000603 gt 32330U0 3 7 000 4 44454044 AWAAAAAWAAAAAW 1530002850 1590001190 1530002850 1530002920 1590003290 1590003290 1590003290 1510000580 1510000580 1590003240 1590003260 1590003240 1590003240 1590003240 1590003240 1530002680 1530003230 1580000760 1530002340 1530002680 1580000760 1530003260 1530003810 1580000760 1580000760 1530003810 1530003780 1590003230 1590003250 1530002060 1590003230 1520000270 1590003290 1510000670 1590001650 1530002690 1530002850 1590003230 1590003290 1590003290 1590003270 1590003290 1530003090 1590003230 1590003290 1590003240 1590003290 1750000770 1750000940 1750000940 1750000370 1750000370 1750000370 1750000520 1750000800 1750000800 1750000800 1750000520 1750000550 1750000550 1750000800 1750000800 1750000800 1750000800 1790001240 1790001240 1790001240 1750000710 1750000710 1790001260 1750000610 1720000700 1790000980 1790000980 1750000710 1750000610 1720000700 1790001260 1790000980 S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S FET
69. 608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007130 S CERAMIC C1608 CH 1H 101J T 4030006900 S CERAMIC C1608 JB 1H 103K T 4030006900 S CERAMIC C1608 JB 1H 103K T 4030006900 S CERAMIC C1608 JB 1H 103K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030011020 S CERAMIC GRM31M4C2H1ROCY21L GRM42 6 4030011120 S CERAMIC GRM31M2C2H100JV01L GRM42 6 CH 4030011020 S CERAMIC GRM31M4C2H1ROCY21L GRM42 6 CK 4030011140 S CERAMIC GRM31M2C2H120JV01L GRM42 6 CH 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030008920 S CERAMIC C1608 JB 1H 473K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007050 S CERAMIC C1608 CH 1H 220 4030009920 S CERAMIC C1608 CH 1H 050B T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030017190 S CERAMIC GRM31AR32J471KW01D 4030009920 S CERAMIC C1608 CH 1H 050B T 4030007040 S CERAMIC C1608 CH 1H 180 4510008110 S ELECTROLYTIC 16 CV 22 BS 4030008680 S CERAMIC C2012 JF 1C 1057 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006900 S CERAMIC C1608 JB 1H 103K T 4030007170 S CERAMIC C1608 CH 1H 221J T 4030007020 S CERAMIC C1608 CH 1H 120J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S
70. 610 7030003610 7030003560 7030003610 7030003560 7030003600 7030003460 7030003540 7030003520 7030003590 7030003560 7030003460 7030003570 7030003690 7030003320 7030003510 7030003320 7030003320 7030003840 7030003710 7030003320 7030003460 7030003320 7030003450 7030003600 7030003760 7030003720 7030003450 7030003420 7030003710 7030003620 7030003840 7030003590 7030003560 7030003340 7030003840 7030003560 7030003740 7030003480 7030000120 7030000190 7030003450 7030003450 7030003510 7030003380 7030003440 7030003710 7030003730 7030003400 7030003560 7030000190 7030003400 7030003280 7030003370 7030003680 7030003380 7030003440 7030003560 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RE
71. 690 S COIL ELJRE 18NG F 6200005700 S COIL ELJRE 22NG F 6200005660 S COIL ELJRE 10NG F 6200005660 S COIL ELJRE 10NG F 6200005670 S COIL ELJRE 12NG F 6200005670 S COIL ELJRE 12NG F 6200005660 S COIL ELJRE 10NG F 4030007090 S CERAMIC C1608 CH 1H 470 4030007090 S CERAMIC C1608 CH 1H 470 4030007090 S CERAMIC C1608 CH 1H 470 4030007090 S CERAMIC C1608 CH 1H 470 4030007090 S CERAMIC C1608 CH 1H 470 4030007090 S CERAMIC C1608 CH 1H 470 4030007090 S CERAMIC C1608 CH 1H 470 4030007090 S CERAMIC C1608 CH 1H 470 4030011600 S CERAMIC C1608 JB 1E 104K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030009500 S CERAMIC C1608 CH 1H OR5B T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007020 S CERAMIC C1608 CH 1H 120 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007050 S CERAMIC C1608 CH 1H 220 4030007040 S CERAMIC C1608 CH 1H 180J T 4030006920 S CERAMIC C1608 CH 1H 010C T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006920 S CERAMIC C1608 CH 1H 010C T 4030007050 S CERAMIC C1608 CH 1H 220 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006910 S CERAMIC C1608 CH 1H 5 4030006950 S CERAMIC C1608 CH 1H 040C T 4030006990 S CERAMIC C1608 CH 1H 080D T 4030007090 S CERAMIC
72. 7030003620 7030003560 7030003800 7030003560 7030003680 7030003680 7030003480 7030003710 7030003740 7030003600 7030006070 7030003580 7030003720 7030003440 7030003480 7030003480 7030003560 7030003440 7030003480 7030006070 7030003480 7030003520 7030003540 7030003740 7030003540 7030003560 7030003480 7030003710 7030003620 7030003720 7030003560 7030003440 7030003340 7030003670 7030003440 7030003640 7030003570 7030003570 7030003520 7030003570 7030003680 7030003640 7030000400 7030003440 7030003800 7030003560 7030000020 7030003640 7030003440 7030003560 7030003320 7030003440 7030003320 7030003440 7030003520 7030003520 7030003680 7030003520 7030003560 7030003440 7030003520 7030003640 7410000800 7030003560 7030003700 7030003680 7030003680 7510001470 7030003680 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTO
73. 800 R5 MONI MONI SET 2166 Ri MATRIX wt SET 015 017 EVU F AF20B55 Sa gt TXLINE nem 2504116 0507 0514 0516 0519 1503 J3 o2 ow F suw PX LINE MF1 FUN D521 D522 155400 XP4601 Hy CTHV HV HV XP4601 SQL COMMON LINE FAN 8 0507 EUR TPE EXPL EUR 1 TXDATAP ES R5 P BUS LINE NE D508 TPE KOR AUS sure S RDATA BUFF c D509 IC E208 A GND EVU F2AF20B55 D510 ITR TPE KOR po OF A D511 514 D516 D519 EUR 1 TXDATA ini HD6433842RB36H 0521 0522 except EXP X1 EF0S4914E3 10 1 to MAIN unit J503 1143 C30 C29 0000 001 100 098 O HA HA H k 3 VO 959 59 3 Eras a 8 lesa ee 2 El e 3 alos 222 sesso 989 4 i nin 9 535 T ese R eoe 855 m N 9 r O o SugguggidugoOoOS 2058889 1 0000002988887 lt lt 506
74. 8510015370 8930060350 8930060350 8600036880 CONTROL UNIT 7210002920 7210002920 2240000150 5030002580 5040002920 8930060040 8210019850 8210019540 8610011290 8610011300 8610011280 8310057030 8210019550 8930059740 8930059730 8610011310 8610011350 8610011340 8610011330 8610011320 8310057020 8930060050 8930060060 8930060070 8930060080 8930060090 8930059780 8930006440 8810009220 8810008990 DESCRIPTION Connector MR DS E 01 Speaker 057P0802 Fan FD1240107B 1N 2633 chassis 2633 SP rubber 1893 OPC plate 2 1893 release button Screw PH BT M3 x 8 NI ZU Screw PH BT M3 x 8 NI ZU Screw PH BT M3 x 8 NI ZU Screw PH BT M3 x 8 NI ZU Screw FH M2 6 x 6 ZK 1729 fan cover 1 Screw PH M2 6 x 16 ZK Screw PH BT M2 x 6 ZK 2633 cover 60 saran net Spring AC Thermally sheet C Thermally sheet C 1893 sheet 2633 shield cover Thermally sheet AK Thermally sheet AK SP cable DESCRIPTION Variable resistor EVU F2AF20B55 Variable resistor EVU F2AF20B55 Switch JRS0000 1401 LCD L2 0736TAY LED CV1074 LCD contact SRCN 2633 SP N W 2633 front panel B 2633 rear panel Knob N297 Knob N298 Knob N299 2633 key top 2633 D reflector 2633 power button 2633 2 key Knob K299 Knob K299 A Knob K299 B Knob K299 C Knob K299 D 2633 window plate 2633 window sheet 2633 D filter 2633 jog sheet 2633 A sheet 2633 key sponge 2633 LCD plate Spring F Screw PH BO M2 x 8 ZK S
75. 910000660 BEAD FSRH082149RL000B FSOH082RL 6910000660 BEAD FSRH082149RL000B FSOH082RL 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910015120 S BEAD MMZ2012D 301BT 6910015130 S BEAD MMZ1608D 301BT 6910015120 S BEAD MMZ2012D 301BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 6910012350 S BEAD MMZ1608Y 102BT 0910056483 PCB B 5946 6910012350 S BEAD MMZ1608Y 102BT M Mounted side T Mounted the side B Mounted the Bottom side S Surface mount 6 10 SECTION 7 CHASSIS PART 6510004880 2510001160 2710000760 8010019240 8930059790 8930041552 8930041560 8810008660 8810008660 8810008660 8810008660 8810009610 8110005751 8810009110 8810009560 8110007950 8930003170 8930041870 8930039610 8930039610 8930043010
76. 940 S DIODE 165400 TE61 TPE KOR on 1750000940 S DIODE 155400 TE61 TPE KOR on 1750000940 S DIODE 188400 TE61 TPE KOR on 1750000940 S DIODE ISS400 TE61 TPE KOR on 6200010630 S COIL LQW18AN8N2D00D 6200005590 S COIL ELJRE 2N7Z F 6200009890 S COIL C2012C 82NG 6200010060 S COIL AS080647 56N 6200010160 S COIL AS080440 22N 6200005590 S COIL ELJRE 2N7Z F 6200009930 S COIL C2012C 68NG 6200010540 S COIL C2012C 47NG 6200010630 S COIL LQW18AN8N2D00D 6200010130 S COIL LQW18AN6N8C00 6200006980 S COIL ELJRE R10G F 6200010130 S COIL LQW18AN6N8C00 6200010130 S COIL LQW18AN6N8C00 6200005590 S COIL ELJRE 2N7Z F 6200010330 S COIL C2012C R18G 6200010000 S COIL C2012C 56NG 6200010420 S COIL FHW1210HC 1ROJGT 6200010420 S COIL FHW1210HC 1ROJGT 6200009750 S COIL 0 30 2 0 7TL 68N 6200010060 S COIL AS080647 56N 6200010050 S COIL AS080547 47N 6200010160 S COIL AS080440 22N 6200010050 S COIL AS080547 47N 6200010160 S COIL AS080440 22N 6200010040 S COIL AS100340 10N 6200010160 S COIL AS080440 22N 6200008170 S COIL 0 35 1 6 8TL 54N 6200008330 S COIL 0 45 1 4 4TL 15N 6200005670 S COIL ELJRE 12NG F 6200010150 S COIL AS080340 15N 6200010070 S COIL AS080747 68N 6200005660 S COIL ELJRE 10NG F 6200010160 S COIL AS080440 22N 6190001520 S COIL ZBFS5101 PT 6190001520 S COIL ZBFS5101 PT 6190001520 S COIL ZBFS5101 PT 6190001520 S COIL ZBFS5101 PT 6200005140 S COIL MLF1608D R33K
77. APC controller 1C15 4 2 6 UHF MODULATION CIRCUIT MAIN UNIT AND VCO BOARD The audio or data signals from the reference controller D1 X1 pass through the UHF PLL IC IC2 pins 1 15 and UHF loop filter IC6 Q9 Q10 D4 and are then applied to the U VCO circuit VCO board The signals change the reactance of D100 VCO board to modulate the oscillated signal at the U VCO circuit VCO board Q101 D101 D102 The modulated signals are amplified at the buffer amplifiers VCO board Q102 Q103 and then passed through the Tx Rx switching circuit VCO board D103 and low pass filter L104 C122 C124 The fil tered signals are applied to the drive amplifier circuit on the MAIN unit VHF SWR detector L29 APC controller to the VHF TX RX switch D27 033 4 PL signal from the D A convertor IC11 pin 19 10531 From the IC15 6 5 V signal from the D A E convertor IC11 pin 8 3 PCON_V signal from the D A 2 convertor 1211 9 D28 T D34 to the UHF TX RX switch drive amplifier Q34 HV power amplifier IC14 L30 UHF SWR detector 4 2 7 UHF DRIVE ANPLIFIER CIRCUIT MAIN UNIT The RF signals from the low pass filter VCO board pass through the high pass filter L69 C119 and attenuator R135 R136 R138 and are then amplified at the pre drive Q31 and drive Q34
78. C1608 CH 1H 470J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006920 S CERAMIC C1608 CH 1H 010C T 4030007040 S CERAMIC C1608 CH 1H 180J T 4030007040 S CERAMIC C1608 CH 1H 180J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007030 S CERAMIC C1608 CH 1H 150J T 4030007060 S CERAMIC C1608 CH 1H 270J T 4030007030 S CERAMIC C1608 CH 1H 150J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006900 S CERAMIC C1608 JB 1H 103K T 4030009530 S CERAMIC C1608 CH 1H 030B T 4030006950 S CERAMIC C1608 CH 1H 040C T 4030007090 S CERAMIC C1608 CH 1H 470J T 4030006940 S CERAMIC C1608 CH 1H 030C T 4030006940 S CERAMIC C1608 CH 1H 030C T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030009570 S CERAMIC C1608 CH 1H OR3B T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007090 S CERAMIC C1608 CH 1H 470J T 4030006950 S CERAMIC C1608 CH 1H 040C T 4030007090 S CERAMIC C1608 CH 1H 470J T 4030007020 S CERAMIC C1608 CH 1H 120J T 4030007020 S CERAMIC C1608 CH 1H 120J T 4030006910 S CERAMIC C1608 CH 1H 5 4030007090 S CERAMIC C1608 CH 1H 470J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006940 S CERAMIC C1608 CH 1H 030C T 4030006950 S CERAMIC C1608 CH 1H 040C T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC
79. C1608 JB 1H 102K T 4030006950 S CERAMIC C1608 CH 1H 040C T 4030006940 S CERAMIC C1608 CH 1H 030C T 4030006990 S CERAMIC C1608 CH 1H 080D T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006920 S CERAMIC C1608 CH 1H 010C T 4030006980 S CERAMIC C1608 CH 1H 070D T 4030009520 S CERAMIC C1608 CH 1H 020B T AAAAAAAAAAAAAAAAAAAAA 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003600 S RESISTOR ERJ3GEYJ 223 V 22 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003840 S RESISTOR ERJ3GEYJ 225 V 2 2 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kQ 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003280 S RESISTOR ERJ3GEYJ 470 V 47 7030003430 S RESISTOR ERJ3GEYJ 821 V 820 7030003330 S RESISTOR ERJ3GEYJ 121 V 120 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003470 S RESISTOR ERJ3GEYJ 182 V 1 8 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 2 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003470 S RESISTOR ERJ3GEYJ 182 V 1 8 7030003400 S RESISTOR ERJ3GEYJ 471 V 470 7030004050 S RESISTOR ERJ3GEYJ 1RO V 1 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 70
80. C1608 JB 1H 153K T 4030007160 S CERAMIC C1608 CH 1H 181J T 4030007090 S CERAMIC C1608 CH 1H 470 4030011810 S CERAMIC C1608 JB 1A 224 4030006850 S CERAMIC C1608 JB 1H 471K T 4030011810 S CERAMIC C1608 JB 1A 224 4030006850 S CERAMIC C1608 JB 1H 471K T 4030008880 S CERAMIC C1608 JB 1H 223 4030006900 S CERAMIC C1608 JB 1H 103K T 4030006860 S CERAMIC C1608 JB 1H 102 4030007040 S CERAMIC C1608 CH 1H 180J T 4030009970 S CERAMIC C1608 JB 1H 182 4030011600 S CERAMIC C1608 JB 1E 104K T 4030010770 S CERAMIC C1608 JB 1H 392 4030008900 S CERAMIC C1608 JB 1H 333K T 4030006860 S CERAMIC C1608 JB 1H 102 4510007310 S ELECTROLYTIC 16 CV 10 BS 4030006940 S CERAMIC C1608 CH 1H 030C T 4030008900 S CERAMIC C1608 JB 1H 333K T 4030007030 S CERAMIC C1608 CH 1H 150J T 4030009880 S CERAMIC C1608 JB 1H 682 4030006900 S CERAMIC C1608 JB 1H 103K T 4030006860 S CERAMIC C1608 JB 1H 102K T ja jah AN 10H NO ah pa a D I 40040000 4034000400000 4400444000 AU ah M Mounted side T Mounted on the side Mounted on the Bottom side S Surface mount MAIN UNIT MAIN UNIT ER DESCRIPTION ORDER DESCRIPTION 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007090 S CERAMIC C1608 CH 1H 470J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CE
81. C2H101JV01L GRM42 6 CH 4030011600 S CERAMIC C1608 JB 1E 104K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007060 S CERAMIC C1608 CH 1H 270J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006950 S CERAMIC C1608 CH 1H 040C T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007130 S CERAMIC C1608 CH 1H 101J T 4030007130 S CERAMIC C1608 CH 1H 101J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006980 S CERAMIC C1608 CH 1H 070D T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006900 S CERAMIC C1608 JB 1H 103K T 4030007090 S CERAMIC C1608 CH 1H 470J T 4030007090 S CERAMIC C1608 CH 1H 470J T 4030007090 S CERAMIC C1608 CH 1H 470J T 4030007090 S CERAMIC C1608 CH 1H 470J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860
82. D14 amplifiers to obtain power that IC14 can operate The amplified signal is then applied to the RF power amplifier IC4 4 2 8 UHF POWER ANPLIFIER CIRCUIT MAIN UNIT IC14 is a power module which has amplification output capabilities of about 50 W The RF signal from the drive amplifier Q34 is applied to IC14 pin 1 The amplified signals from the power amplifier IC14 pin 4 pass through the low pass filter L23 C190 and SWR detector D28 D34 antenna switching circuit D40 and high pass filter L47 L50 C284 C288 C292 The filtered signals are passed through the low pass filter L51 L52 L56 C295 C299 to suppress unwanted signals and are then applied to the antenna connector CHASSIS unit J2 Control voltage for the power amplifier IC14 pin 2 are con trolled by the APC circuit to protect the power module from a mismatched condition as well as to stabilise the output power 4 2 9 UHF APC CIRCUIT MAIN UNIT The SWR detector circuit D28 D34 L30 detects forward signals and reflection signals at D28 and D34 respectively The combined voltage is at a minimum level when the antenna impedance is matched at 50 Q and is increased when it is mismatched The detected voltage is applied to the APC amplifier IC15 pin 3 and compared with a reference voltage which is sup plied from the CPU IC505 as PCON_U D A control sig nal VHF PLL CIRCUIT Q4 veo switcl When antenna impe
83. DIAL to set to flat wave form as shown below Push the BAND key Set to flat wave form UHF band DE Operating frequency Transmitting Turn the DIAL to set to flat wave form as same as VHF band Push the BAND key TRACKING Low band Tr Operating frequency Connect SSG to the antenna connector and set as 1 uV 107 dBm Level Modulation Deviation Receiving 118 1 MHz 1 kHz 3 5 kHz Push the BAND key Operating frequency Receiving 146 1 MHz Push the BAND key Operating frequency Receiving 160 1 MHz Push the BAND key Operating frequency Receiving 173 9 MHz Push the BAND key Operating frequency Connect SSG to the antenna connector and set as 1 107 dBm Level Modulation Deviation Receiving 230 1 MHz 1 kHz 3 5 kHz Push the BAND key Operating frequency Receiving 260 1 MHz Push the BAND key Operating frequency Receiving 380 1 MHz Push the BAND key Operating frequency Receiving 399 9 MHz Push the BAND key This output level of a standard signal generator SSG is indicated as SSG s open circuit 5 4 SOFTWARE ADJUSTMENT RECEIVING Continued ADJUSTMENT ADJUSTMENT CONDITION OPERATION TRACKING Operat
84. E key Low The TONE key is pushed LOW Input port for the LOW key Low The LOW key is pushed MONI Input port for the MONI key Low The MONI key is pushed SET Input port for the SET key Low The SET key is pushed M CALL VMHz Input port for the M CALL key Low The M CALL key is pushed Input port for the V MHz key Low The V MHz key is pushed DIAL A Input port for the main dial s A phase signal DIAL B Input port for the main dial s B phase signal COM4 COM1 Output the common signals to the LCD DS1 SEG1 SEG36 Output the segment signals to the LCD DS1 G_LED Outputs the green LED control signal High The LED lights ON Input port for the PWR key Low The PWR key is pushed Input port for the VOL controller Input port for the SQL controller SECTION5 ADJUSTMENT PROCEDURES 5 1 PREPARATION Need to enter the adjustment mode and the JIG calble as shown the page 5 2 is required when adjusting the IC 208H REQUIRED TEST EQUIPMENT EQUIPMENT GREDE AND RANGE EQUIPMENT GREDE AND RENGE Output voltage 13 8 V DC FM deviati t Frequency range 0 600 MHz Current capacity 12 A or more RVA TON MEIE Measuring range 0 to 5 kHz DC power supply Measuring range 0 1 100 W Frequency range DC 600 MHz RF power meter Frequency range 1 8 600 MHz Oscilloscope Measuring range 0
85. F signal from the CPU IC505 pin 73 Receive 5 V line for UHF circuit converted from the 5VS line by the UHF_R5 regulator circuit Q27 The circuit is controlled by the RXUHF signal from the CPU IC505 pin 74 Receive 5 V line for 400 MHz circuit converted from the 5VS line by the 400_R5 regulator circuit Q28 The circuit is controlled by the RX400 signal from the CPU IC505 pin 67 Receive 5 V line for 800 MHz circuit converted from the 5VS line by the 800_R5 regulator circuit Q29 The circuit is controlled by the RX800 signal from the CPU IC505 pin 66 4 6 PORT ALLOCATIONS 4 6 1 MAIN CPU PORT ALLOCATIONS MAIN UNIT IC505 Port name Description Port name MAIN unit IC505 Continued Description CLONE_IN Input port for the cloning signal TX_MUTE Outputs the transmit mute signal High While transmit is muting DA_DATA Outputs the data signal to the D A CONVERTER IC11 pin 17 MIC_PTT Input port for the microphone PTT sig nal High While PTT switch is pushed DA_CK Outputs the clock signal to the D A CONVERTER IC11 pin 16 DA_STB Outputs the strobe signal to the D A CONVERTER IC1 pin 15 Outputs the UHF transmitting power supply circuit control signal High While transmitting 400 479 MHz AF_MUTE Outputs the AF mute control signal High While AF signal is muting DTCS_SE
86. IC8 pin 12 is applied to the main CPU IC505 pin 40 as an S meter sig nal via the RSSI signal line The S meter signal is applied to the sub CPU and is then displayed on the LCD 4 2 TRANSMITTER CIRCUITS 4 2 1 MICROPHONE AMPLIFIER CIRCUIT MAIN UNIT The microphone amplifier circuit amplifies audio signals from the microphone to a level needed at the modulation cir cuit The microphone amplifier circuit is commonly used for both the VHF and bands AUDIO SIGNALS The AF signals from the microphone are amplified at the microphone amplifier Q505 IC506 and are then applied to the analog switch IC509 pin 2 The signals from analog switch pin 1 are applied to the IDC amplifier pin 3 via the MODIN line and then pass through the low pass fil ter IC3D pins 13 14 to suppress unwanted components IC3A composes limiter amplifier and pre emphasis circuits X1 15 2 MHz TRANSMITTER CIRCUITS 2 IC1 The signals are amplified at the buffer amplifier IC3C pins 9 8 and are then applied to the D A converter IC ICA pin 13 to adjust modulation level The signals from the D A con vertor IC4 pin 23 pass through the reference controller D1 X1 and are then applied to the VHF or UHF modula tion circuits separately DATA SIGNALS The data signals from the 6 pins jack J504 pin 1 pass through the limiter circuit D524 to limit the level When setting to 9600 bps mode The s
87. IC8 pin 9 passes through the low pass filter Q3 to remove AF voice signals via the AM FM AF selector IC5 pins 7 1 and is then applied to the CTCSS decoder inside the CPU IC505 39 via the DTCS IN line to control the AF mute switch 4 1 10 AGC CIRCUIT MAIN UNIT The AGC Automatic Gain Control circuit reduces IF ampli fier gain to keep the audio output at a constant level The receiver gain is determined by the voltage on the AGC line Q13 collector Antenna AGC CIRCUIT 2nd IF filter 450 kHz j ae 019 021 RX i me e T AGC k AM WIN selector IC10 Q21 RX Eu sw fe Q18 AM FM FM IF IC RX AF signal selector ica r ES x Q RF The signal from the AM detector circuit Q13 is detected at the AGC detector circuit 019 021 When receiving strong signals the detected voltage increases and the AGC voltage decreases via the AGC circuit The AGC voltage is used for the bias voltage of the receive switching PIN diodes to atten uate the received signals Therefore this transceiver keeps the audio output at a constant level 4 1 11 S METER CIRCUIT MAIN UNIT The S meter circuit indicates the relative received signal strength while receiving by utilizing the AGC voltage which changes depending on the received signal strength The FM S meter signal from the FM IF IC
88. J3GEYJ 223 V 22 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 7030003500 S RESISTOR 332 V 3 3 7030003680 S RESISTOR 104 V 100 6200007620 S COIL LL1608 FH47NJ 6200004480 S COIL MLF1608D R82K T 6200010450 S COIL C2520C R82G 0 820 6200005690 S COIL ELJRE 18NG F 6200006670 S COIL ELJRE 68NG F 6200005720 S COIL ELJRE 33NG F 6200005690 S COIL ELJRE 18NG F 6200005660 S COIL ELJRE 10NG F 6200003270 S COIL NL 252018T R56J 6200006980 S COIL ELJRE R10G F 6200005700 S COIL ELJRE 22NG F 6200010380 S COIL ELJRE R15J F3 6200005680 S COIL ELJRE 15NG F 6200009890 S COIL C2012C 82NG 6200003270 S COIL NL 252018T R56J 6200005700 S COIL ELJRE 22NG F 6200005640 S COIL ELJRE 6N8Z F 6200009930 S COIL C2012C 68NG 6200010060 S COIL AS080647 56N 6200010040 S COIL AS100340 10N 6200010210 S COIL C2012C 22NG 6200010130 S COIL LQW18AN6N8C00 AA AA M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount MAIN UNIT ORDER NO DESCRIPTION MAIN UNIT ORDER NO DESCRIPTION 7030003680 7030003700 7030003720 7030003580 7030003560 7030003520 7030003720 7030003380 7030003730 7030003440 7030003660 7030003780 7030003660 7030003560 7030003680 7030003560 7030003560 7030003660 7030003630 7030003660 7030003600 7030003560 7030003560 7030003
89. L Outputs the transmitting power supply circuit control signal High While transmitting 136 174 MHz Outputs the DTCS filter select signal High While the DTCS signal is transmitting PLLSTB2 Outputs the strobe signal to the UHF PLL IC IC2 pin 11 PLLSTB1 Outputs the strobe signal to the VHF PLL IC IC1 pin 11 ES_DATA I O port for the serial data to the EEP ROM IC501 pin 5 ES_CK Outputs the clock signal to the EEP ROM IC501 pin 6 DET_MUTE MIC_SENS Outputs the detector circuit mute sig nal High While the detector circuit is muting Outputs microphone sensitivity control signal High The sensitivity is high P PTT Input port for the packet PTT switch Low While the packet PTT switch is ON P_MOD_MUTE Outputs the packet modulation muting signal Low While muting U_VCO 1200_9600SEL Outputs the UHF VCO control signal High The VCO circuit oscillates 320 999 99 MHz signal Outputs packet baud rate select sig nal Low 9600 bps is selected 98 DATA Input port for the HM 98 s data signal MIC SEL Input port for the connecting micro phone detect signal Low While the HM 98 is connect ed Outputs the 800 R5 regulator Q29 control signal High While receiving 630 999 MHz SQL Input port for the squelch level signal Outputs the 400 R5 regulator Q28 control signal High While
90. NI ZU Nickel Zinc ACCESSORIES W1 F1 MP6 MP4 000 MP7 MP5 eeee 8 MP9 atta 0 a 27 10 pe i EZ 15 A Hy P22 CT D MP8 CT MP12 CT Meis on MPA CT Unit abbreviations ma mo CT CONTROL UNIT I V VCO UNIT P d MP9 C MP9 C SECTION 8 SEMI CONDUCTOR INFORMATION lt TRANSISTORS AND FET S lt DIODES 1SS355 1SS362 1SS400 1SV286 1SV305 Symbol A Symbol C3 Symbol A Symbol T7 Symbol TV A C A E C A E E 15 308 DA221 DAN222TL DSA3A1 HVC136 Symbol TX Symbol K Symbol N Color Green Symbol P6 M green A E C E c A2
91. Push the BAND key 60 Operating frequency Receiving 445 0 MHz Turn the DIAL to set to 00 on the display Push the BAND key PROTECT SCALE Operating frequency Receiving 146 0 MHz Turn the DIAL to set to 130 on the display Push the BAND key Operating frequency Receiving 445 0 MHz Turn the DIAL to set to 140 on the display Push the BAND key Operating frequency Receiving 146 0 MHz Turn the DIAL to set to 5 W on the display e Push the BAND key 2 Operating frequency Receiving 445 0 MHz Turn the DIAL to set to 5 W on the display Push the BAND key SECTION 6 CONTROL UNIT ORDER NO PARTS LIST DESCRIPTION CONTROL UNIT ORDER NO DESCRIPTION 1110005780 1180000420 1140011370 1530002690 1590001650 1510000690 1530002690 1530002690 1790001000 1790001170 6060000610 7210002920 7030003440 7210002920 7030003440 7030003640 7030003640 7030003520 7030003640 7030003440 7030003760 7030003560 7030003520 7030003560 7030003520 7030003520 7030003560 7030003800 7030003520 7030003520 7030001120 7030003680 7030003680 7030003680 7030003580 7030000360 7030000360 7030003560 7030003640 7030003570 7030000380 7030000380 7030000360 7030000360 7030003520 4030006880 4030006880 4030007130 4030007130 40300071
92. R S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S ARRAY S RESISTOR S RESISTOR S RESISTOR S RESISTOR S THERMISTOR S RESISTOR 224 V 220 102 V 1 221 V 220 9 473 V 47 104 V 100 104 V 100 473 V 47 333 V 33 ERJ3GEYJ 103 V 333 V 33 223 V 22 ERJ3GEYJ 103 V ERJ3GEYJ 333 V 33 103 V 10 105 V 1 103 V 10 104 V 100 104 V 100 ERJ3GEYJ 222 V 2 2 184 V 180 ERJ3GEYJ 334 V 330 223 V 22 ERJ12YJ101U 100 Q 153 V 15 224 V 220 102 V 1 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 222 V 2 2 103 V 10 102 V 1 ERJ3GEYJ 222 V 2 2 ERJ12YJ101U 100 Q ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 472 V 4 7 682 V 6 8 ERJ3GEYJ 334 V 330
93. RAMIC C1608 JB 1H 102K T 4030009560 S CERAMIC C1608 CH 1H R75B T 4030006900 S CERAMIC C1608 JB 1H 103K T 4030007050 S CERAMIC C1608 CH 1H 220J T 4030006980 S CERAMIC C1608 CH 1H 070D T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030009520 S CERAMIC C1608 CH 1H 020B T 4030006990 S CERAMIC C1608 CH 1H 080D T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030009520 S CERAMIC C1608 CH 1H 020B T 4030009520 S CERAMIC C1608 CH 1H 020B T 4030007040 S CERAMIC C1608 CH 1H 180J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007010 S CERAMIC C1608 CH 1H 100D T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007090 S CERAMIC C1608 CH 1H 470J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007130 S CERAMIC C1608 CH 1H 101J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007130 S CERAMIC C1608 CH 1H 101J T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030009520 S CERAMIC C1608 CH 1H 020B T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030009510 S CERAMIC C1608 CH 1H 010B T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007130 S CERAMIC C1608 CH 1H 101J T 4030006920 S CERAMIC C1608 CH 1H 010C T 4030009910 S CERAMIC C1608 CH 1H 040B T 4030011160 SSCERAMIC GRM31M2C2H150JV01L GRM42 6 CH 4030007120 S CERAMIC C1608 CH 1H 820J T 403000686
94. Receiving 146 0 MHz Turn the DIAL to set to F9 on the display Push the BAND key Mid power VHF 10 C Operating frequency Receiving 146 0 MHz Turn the DIAL to set to F9 on the display Push the BAND key Operating frequency Receiving 146 0 MHz Turn the DIAL to set to F9 on the display Push the BAND key Low power VHF 10 C Operating frequency Receiving 146 0 MHz Turn the DIAL to set to F9 on the display Push the BAND key 60 LP Operating frequency Receiving Turn the DIAL to set to F9 on the display Push the BAND key SOFTWARE ADJUSTMENT RECEIVING Continued ADJUSTMENT ADJUSTMENT CONDITION Operating frequency Receiving 445 0 MHz OPERATION Turn the DIAL to set to F9 on the display Push the BAND key Operating frequency Receiving 445 0 MHz Turn the DIAL to set to 07 on the display Push the BAND key Operating frequency Receiving Operating frequency Receiving 445 0 MHz 445 0 MHz Turn the DIAL to set to 00 on the display POush the BAND key Turn the DIAL to set to 00 on the display Push the BAND key Operating frequency Receiving 445 0 MHz Turn the DIAL to set to 00 on the display
95. SISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR ERJ3GEYJ 104 V 100 ERJ3GEYJ 154 V 150 ERJ3GEYJ 224 V 220 153 V 15 103 V 10 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 224 V 220 ERJ3GEYJ 331 V 330 0 ERJ3GEYJ 274 V 270 ERJ3GEYJ 102 V 1 ERJ3GEYJ 683 V 68 ERJ3GEYJ 684 V 680 ERJ3GEYJ 683 V 68 103 V 10 ERJ3GEYJ 104 V 100 ERJ3GEYJ 103 V 10 103 V 10 ERJ3GEYJ 683 V 68 ERJ3GEYJ 393 V 39 ERJ3GEYJ 683 V 68 223 V 22 103 V 10 103 V 10 273 V 27 273 V 27 103 V 10 273 V 27 103 V 10 223 V 22 ERJ3GEYJ 152 V 1 5 682 V 6 8 ERJ3GEYJ 472 V 4 7 183 V 18 103 V 10 152 V 1 5 123 V 12 124 V 120 101 V 100 9 392 V 8 9 101 V 100 9 101 V 100
96. Sp CK lt DATAIN H me B es 5 GND L anaa O 1 15 Su m 050 lt 6 PSQL DATAOUT EXTMIC KN 3 Ann w MICUD 2 8 7 EN m B p J505 i B a 3 3 16508 El BE di gt aa C52 9 Y to Speaker 5 55 Rs3 BU UU Oom 5 e E 569 R602 R603 1 4 FH Sm t 599 D a re SS L 2 mn 0021 1809 EE 7 8555 5 sg NG RA 211 405 Bi i lt 8 5 El R38 R43 Pe RIT j B BEB mm gin 893 em er 8 ti Bopp 7 4 0 2 B E d uf s Sm 8 E T I Ba BB 0501 R595 8509 RIS 013 m 2l B 157 a Reog 633 Y a to VCO board J1 B A qug d El e 562 R636 28485228 A pu 5 S al s el RG3T E gt IRS B Bend Sn 0661 Qe B RED is Risi LN E 163 im CHASSIS Mor 4 2 W501 ci Doo 5 1 Fat Ten ES IES ai im B mie ARS 29 8 aS 2 129 RT icem A ES ES 2103 1 0 550 m 581 BE B E 088 6 MO e gt lt BB gt 1 Pa 58 cia B
97. TOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR ERJ3GEYJ 472 V 4 7 333 V 33 683 V 68 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 101 V 100 562 V 5 6 101 V 100 ERJ3GEYJ 101 V 100 0 101 V 100 EXB V8V 101JV ERJ3GEYJ 183 V 18 ERJ3GEYJ 154 V 150 ERJ3GEYJ 223 V 22 153 V 15 ERJ3GEYJ 101 V 100 1RO V 1 9 ERJ3GEYJ 101 V 100 474 V 470 ERJ3GEYJ 223 V 22 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 101 V 100 0 101 V 100 EXB V8V 101JV ERJ3GEYJ 222 V 2 2 kQ ERJ3GEYJ 104 V 100 EXB V8V 101JV 334V 330 ERA3YKD 124V 120 ERA3YED 123V ERJ3GEYJ 103 V 10 101 V 100 474 V 470 EXB V8V 101JV EXB V8V 101JV ERJ3GEYJ 101 V 100 ERJ3GEYJ 101 V 100 0 ERJ3GEYJ 101 V 100 0 EXB V8V 101JV EXB V8V 101JV ERJ3GEYJ 102 V 1 473 V 47 ERJ3GEYJ 104 V 100 ERJ3GEYJ 472 V 4 7 kQ 562
98. ass filter L22 C193 C189 and SWR detector D27 D33 antenna switching circuit D45 and other low pass filter L45 L46 L49 C279 C282 C285 C289 The filtered signals are passed through the low pass filter L51 L52 L56 C295 C299 to suppress unwanted sig nals and are then applied to the antenna connector CHAS SIS unit J2 Control voltage for the power amplifier IC13 pin 2 are con trolled by the APC circuit to protect the power module from a mismatched condition as well as to stabilise the output power IC13 CIRCUIT power amplifier From the VHF drive amplifier Q33 HV 4 2 5 VHF APC CIRCUIT MAIN UNIT The APC circuit protects the power amplifier from a mis matched output load and stabilises transmit output power The SWR detector circuit D27 D33 L29 detects forward signals and reflection signals at D27 and D33 respectively The combined voltage is at a minimum level when the antenna impedance is matched at 50 Q and is increased when it is mismatched The detected voltage is applied to the APC amplifier 1015 pin 6 and compared with a reference voltage which is sup plied from the CPU IC505 as a PCON V D A control sig nal When antenna impedance is mismatched the detected volt age exceeds the reference voltage The output voltage of the APC amplifier IC15 pin 7 controls the bias voltage of the power module IC13 to reduce the output power via the
99. 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 NOT force any of the variable components Turn them slowly and smoothly 4 DO NOT short any circuits or electronic parts An insu lated tuning tool MUST be used for all adjustments 5 DO NOT keep power ON for a long time when the trans ceiver is defective 6 DO NOT transmit power into a signal generator or a Sweep generator 7 ALWAYS connect a 50 dB to 60 dB attenuator between the transceiver and a deviation meter or spectrum ana lyzer when using such test equipment 8 READ the instructions of test equipment thoroughly before connecting equipment to the transceiver TABLE OF CONTENTS SECTION 1 SECTION 2 SECTION 3 SECTION 4 4 SECTION 5 5 5 SECTION 6 SECTION 7 SECTION 8 SECTION 9 9 9 9 SECTION 10 SECTION 11 11 1 CONTROL UNIT 11 2 MAIN UNIT Cue pe o k 1 2 3 SPECIFICATIONS INSIDE VIEWS DISASSEMBLY INSTRUCTIONS CIRCUIT DESCRIPTION RECEIVER CIRCUITS peris sensig sama sau s usa a alasan a sq TRANSMITTER GIRGUITS ahead ae RE PEE CIRCUITS is Ka ee ads OTHER CIRCUITS esum Rem Gab ia pa SQ ar E et POWER SUPPLY CIRCUITS
100. crew PH BT M2 x 10 ZK rr A wk MAIN UNIT 6510023110 6510019321 6510023160 6510023590 8900004880 6910000660 6910000660 8930059770 8510011290 8510011300 8930059750 8930060270 8510015470 8510015410 8930060260 8510015460 8510015440 8930060260 VCO BOARD 8510015420 8510015270 8510015280 ACCESSORIES 5210000080 0880000980 8900010990 8900012250 8900007490 8010019260 8820000530 8810000470 8810000950 8850000150 8850000390 8830000120 8930007300 DESCRIPTION Connector 3008L 8P8C 1729 rear connector 1 Connector DN 508B 6 Connector HSJ2000 01 010 Cable OPC 465 Bead FS0H082RL Bead FS0H082RL 2633 M holder 1893 A CPU plate 1893 moduler plate 2633 H V plate 2633 M sheet 2633 C shield plate 2633 A shield plate 2633 spring 2633 B shield plate 2633 connector plate 2633 spring DESCRIPTION 2633 shield case assembly 2633 VCO case 2633 VCO cover DESCRIPTION Fuse FGB 20A Microphone HM 133 Cable OPC 1132 Cable OPC 600R Cable OPC 600 2633 mobile bracket Flange bolt M4 x 8 NI Screw PH M5 x 12 Screw A M5 x 16 Flat washer M5 NI BS Spring washer M5 Nut M5 Mic hanger Screw abbreviations BT BO Self tapping PH Pan head FH ZK Black BS NI Nickel MECHANICAL PARTS AND DISASSEMBLY USA except USA USA only USA except USA Flat head Brass RRR RR A
101. cy 146 0 MHz High Middle Low swtich High Connect an RF power meter to the antenna connector Transmitting Operating frequency 445 0 MHz Transmitting Push the BAND key Push the BAND key SOFTWARE ADJUSTMENTS TRANSMITTING AND RECEIVING Continued ADJUSTMENT FREQUENCY DEVIATION VHF band DE ADJUSTMENT CONDITION Operating frequency Connect an audio generator to the MIC jack and set as Connect an FM deviation meter to the antenna con nector and set as HPF LPF De emphasis Detector Transmitting 144 0 MHz 20 dB 50 Hz 20 kHz OFF 2 OPERATION Turn the DIAL to set to 4 6 kHz Push the BAND key Operating frequency Transmitting 148 0 MHz Turn the DIAL to set to 4 6 kHz Push the BAND key UHF band DE Operating frequency Transmitting 440 0 MHz Turn the DIAL to set to 4 6 kHz Push the BAND key Operating frequency Transmitting 450 0 MHz Turn the DIAL to set to 4 6 kHz Push the BAND key DTCS WAVE FORM VHF band DE Operating frequency 146 0 MHz No audio signal is applied to the MIC jack DTCS code 007 Set FM deviation meter as HPF LPF De emphasis Detector Transmitting OFF 20 kHz OFF 2 Turn the
102. d noise detector circuits etc The 1st IF signal from the IF amplifier is applied to the 2nd mixer section of IC8 pin 16 and is mixed with a 45 6 MHz 2nd LO signal generated by the reference oscillator circuit Q2 Q3 D1 X1 to produce a 450 kHz 2nd IF signal The 2nd IF signal from the 2nd mixer passes through the ceramic bandpass filter passes through FI2 during wide channel spacing selection or passes through during narrow channel spacing selection where unwanted signals are suppressed The ceramic filters FI2 are switched by IC9 and IC10 that is controlled by WN SEL signal from the MAIN CPU IC505 pin 99 The filtered signal is applied to the AM or FM detector circuit separately 2ND IF AND DEMODULATOR CIRCUITS 2nd IF filter Q13 450 kHz Q16 AM DET IC9 10 WAN selector 45 6 MHz Q21 zb x3 Q2 x1 Active Q7 15 2 MHz filter Noise detector Limiter amp IC8 1136 signal AM FM 1st IF from the selector X2 Discriminator 4 2 IF amplifier Q18 SQL signal to the CPU RSSI signal to the CPU IN CASE OF FM SIGNAL RECEIVING The signal is then amplified at the limiter amplifier section IC5 pin 5 and applied to the FM detector section X2 IC5 pins 10 11 for demodulation the 2nd IF signal into AF sig nals The FM
103. d side T Mounted on the Top side B Mounted on the Bottom side S Surface mount MAIN UNIT MAIN UNIT ORDER DESCRIPTION DESCRIPTION 4030006860 S CERAMIC C1608 JB 1H 102K T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030009910 S CERAMIC C1608 CH 1H 040B T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007090 S CERAMIC C1608 CH 1H 470J T 4030008900 S CERAMIC C1608 JB 1H 333K T 4030007050 S CERAMIC C1608 CH 1H 220J T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030007090 S CERAMIC C1608 CH 1H 470J T 4550006210 S TANTALUM ECST1CX106R 4030006860 S CERAMIC C1608 JB 1H 102K T 4030012610 S CERAMIC C2012 JB 1C 474K T 4030007090 S CERAMIC C1608 CH 1H 470J T 4510007310 S ELECTROLYTIC 16 CV 10 BS 4550006210 S TANTALUM ECST1CX106R 4550006210 S TANTALUM ECST1CX106R 4030008910 S CERAMIC C1608 JB 1H 393K T 4030008910 S CERAMIC C1608 JB 1H 393K T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030012600 S CERAMIC C2012 JB 1A 105M T 4510007280 S ELECTROLYTIC 50 CV 2R2 BS 4030006860 S CERAMIC C1608 JB 1H 102K T 4030006860 S CERAMIC C1608 JB 1H 102K T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030011600 S CERAMIC C1608 JB 1E 104K T 4030006900 S CERAMIC C1608 JB 1H 103K T 4550006760 S TANTALUM TEMSVB2 1A 336M 8R 4030008680 S CERAMIC
104. dance is mismatched the detected volt age exceeds the reference voltage The output voltage of the APC amplifier IC15 pin 1 controls the bias voltage of the power module IC14 to reduce the output power via the APC controller IC15 D531 4 3 PLL CIRCUITS 4 3 1 GENERAL MAIN UNIT A circuit provides stable oscillation of the transmit fre quency and the receive local frequency The PLL circuit compares the phase of the divided VCO frequency to the reference frequency The PLL output frequency is controlled by a crystal oscillator and the divided ratio of the program mable divider IC1 and IC2 are dual PLL ICs that control both VCO circuits for VHF and UHF 4 3 2 VHF LOOP VCO BOARD AND MAIN UNIT The generated signal at the V VCO Q3 D1 D2 enters the PLL IC MAIN unit IC1 pin 8 via buffer amplifiers Q6 Q8 and VCO switching circuit D50 and is divided at the pro grammable divider section and is then applied to the phase detector section The phase detector compares the input signal with a refer ence frequency and then outputs the out of phase signal pulse type signal from pin 15 MAIN unit The pulse type signal is converted into DC voltage lock voltage at the loop filter MAIN unit IC5 Q9 Q10 D4 and then applied to the V VCO to stabilise the oscillated fre quency VCO switch Q5 D6 4 to the transmitter circuit gt tothe 1st mixer circuit IC1 MB15A02PFV1
105. for the PLL unlock signal High While the loop is unlocked MATRIX IN1 IN4 Input ports for the initial matrix signals PLLDATA Outputs the PLL data signal to the PLL ICs IC1 122 PLLCK Outputs the PLL clock signal to the PLL ICs IC1 IC2 OUT1 OUT4 Output the initial matrix strobe signals WN_SEL Outputs the wide narrow FM select signal Low While selected narrow FM 4 6 2 D A CONVERTER IC PORT ALLOCATIONS MAIN UNIT IC11 Port Description TUNE_V1 V3 ATT BSHIFT Output the VHF bandpass filter track ing signals Outputs the UHF bandpass filter track ing signal Outputs the receiving attenuator con trol signal Outputs the bandpass filter shift con trol signal Low While receiving 450 629 995 MHz PCON_V Outputs the VHF output power control signal PCON_U Outputs the UHF output power control signal TUNE_8 Outputs the 800 MHz bandpass filter tracking signal REF_CON Outputs the reference frequency con trol signal Outputs the excess current detecting signal 4 6 3 FRONT CPU PORT ALLOCATIONS CONTROL UNIT Port name IC6 Description BAND Input port for the BAND key Low The BAND key is pushed A_LED Outputs the umber LED control signal High The LED lights ON SMW Input port for the S MW key Low The S MW key is pushed TONE Input port for the TON
106. ia a Manresa Km 14 750 08190 Sant Cugat del Valles Barcelona SPAIN Phone 93 590 26 70 Fax 93 589 04 46 URL http www icomspain com Icom UK Ltd Unit 9 Sea St Herne Bay Kent CT6 8LD U K Phone 01227 741741 Fax 01227 741742 URL http Awww icomuk 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 0303 Fax 33 5 61 36 03 00 URL http www icom france com Asia Icom Inc 6F No 68 Sec 1 Cheng Teh Road Taipei Taiwan R O C Phone 02 2559 1899 Fax 02 2559 1874 URL http www asia icom com Count on us Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14001HZ C1 2003 Icom Inc
107. ignals pass through the analog switch IC509 pins 4 3 and then pass through the switch again pins 9 8 The signals are amplified at the buffer amplifier IC3c pins 9 8 via the DATAMOD line and are then applied to the same line as audio signals applied to the D A converter IC s pin 13 When setting to 1200 bps mode The signals pass through the analog switch 509 pins 4 3 and then pass through the switch again pins 10 11 The signals are then applied to the same line as MODIN applied to the IDC amplifier pin 3 4 2 2 VHF MODULATION CIRCUIT MAIN UNIT AND VCO BOARD The modulation circuit modulates the VCO oscillating signal RF signal using the microphone audio signals The audio or data signals from the reference controller D1 X1 are amplified at the buffer amplifier Q2 and then pass through the VHF PLL IC IC1 pins 1 15 and VHF loop filter IC6 Q9 Q10 D4 The filtered signals are applied to the V VCO circuit VCO board The signals change the reactance of D1 VCO board to modulate the oscillated signal at the V VCO circuit VCO board Q3 D1 D2 The modulated signals are amplified at the buffer amplifiers VCO board Q4 Q5 and then passed through the Tx Rx switching circuit VCO board D5 and low pass filter L6 C32 C33 The filtered signals are applied to the drive amplifier circuit on the MAIN unit 6 pu IC Loop filter
108. ing frequency 400 1 MHz Push the BAND key Middle2 Connect an SSG to the antenna connector and set as band Level 1 107 dBm Tr Modulation 1 kHz Deviation 3 5 kHz Receiving Operating frequency 429 9 MHz Push the BAND key Receiving Operating frequency 480 1 MHz Push the BAND key Receiving Operating frequency 549 9 MHz Push the BAND key Receiving High band Operating frequency 810 1 MHz Push the BAND key Tr Connect SSG to the antenna connector and set as Level 1 uV 107 dBm Modulation 1 kHz Deviation 3 5 kHz Receiving Operating frequency 905 1 MHz Push the BAND key Receiving Operating frequency 999 9 MHz Push the BAND key Receiving Operating frequency 146 1 MHz Push the BAND key Connect 558 to the antenna connector and set as Level 1 107 dBm Modulation 1 kHz Deviation 3 5 kHz Receiving Operating frequency 445 1 MHz Push the BAND key Receiving Operating frequency 435 9 MHz Push the BAND key Receiving Operating frequency 810 1 MHz Push the BAND key Set SSG as Level 5 6 uV 92 dBm Modulation 1 kHz Deviation 3 5 kHz Receiving This output level of a standard signal generator SSG is indicated as SSG s open circuit SOFTWARE ADJUSTMENT
109. it 09 as U_RXLO signal and is applied to the 1st mixer cir cuit MAIN unit Q35 then mixed with the 1st IF signal 2 RECEIVING 800 MHz BAND The signal is applied to the LO switching circuit MAIN unit 010 as 4 RXLO signal and is applied to the 1st mixer cir cuit MAIN unit 12 pin 6 then mixed with the 1st IF sig nal A portion of the RF signal from the buffer amplifier Q102 is amplified at the buffer amplifier Q50 via the VCO switching circuit D51 and is then fed back to the PLL IC MAIN unit pin 8 as the comparison signal VCO UHF CIRCUIT switch j D103 to the transmitter circuit Q103 D104 to the 1st mixer circuit RR seal Buffer gt UHF i D105 the 1st mixer circuit io o US pet _ 9101 0100 0101 _ pa gt Loop IE filter 051 Q30 IC2 MB15A02PFV1 19 Phase Programmable Prescaler 8 15 detector counter 9 kasa Shift register PLLDATA Gen PLLSTB2 X2 1 A 153 E 4 4 OTHER CIRCUITS 4 4 1 SUB CPU RESET CIRCUIT CONTROL UNIT IC2 is the reset voltage detecting circuit The output voltage from the 5 regulator circuit IC5 is applied to the VDD ter minal IC2 pin 2 IC2 outputs H high signal to the sub CPU IC6 pin 15 when the VDD terminal s voltage is high er than detecting v
110. low pass filter Q3 the filtered signal is applied to the MAIN CPU IC505 pin 39 via the DTCS IN signal to analyze the DTCS signal When the signal passes through the other low pass filter C52 C53 R46 R52 the filtered signal is applied to the MAIN CPU IC505 pin 42 via the WXALT signal to detect WX alert signal A part of signals from the AF mute circuit Q14 is applied to the 6 pins data jack as data signal via the DATAOUT sig nal 4 1 9 SQUELCH CIRCUIT MAIN UNIT NOISE SQUELCH A noise squelch circuit cuts out AF signals when no RF sig nals are received By detecting noise components in the AF signals the squelch circuit switches the AF mute switch Some of the noise components in the AF signals from the FM IF IC IC8 pin 9 are passed through the active filter sec tion IC8 pins 8 7 and then applied to the noise detector section The detected noise signals are applied to the MAIN CPU IC505 pin 38 via the SQL line Even when the squelch is closed the AF mute switch Q512 opens at the moment of emitting beep tone TONE SQUELCH The tone squelch circuit detects AF signals and opens the squelch only when receiving a signal containing a matching subaudible tone CTCSS When tone squelch is in use and a signal with a mismatched or no subaudible tone is received the tone squelch circuit mutes the AF signals even when noise squelch is open A portion of the AF signals from the FM IF IC
111. m Ege ee 2 ssa 2504213 M62429FP BSHIET JEJE El E 8 8 gt 5 lt gt a ane Ki More VOLUME KH TUNE U 5 TUNE V3 J506 A TUNE V2 3 Q510 UNR9210J YN CV TUNE M D523 MA742 CLONE CLONE IN A o 1 CLONE 007 P V lt U_VCO NTROL UNIT EN AF VOL DATA co 081 06 07 TEMP AF VOL CK 12 0736TAY 2504116 SENS P DTCS IN 35 LCD KEY CPU E 555 04 MA8062 LCD COLOR DET MUTE LIGHT LIGHT 25 X501 16505 WN SEL CPUSV DS22 0513 0514 0515 0503 509 HD6432143SA70FA USA SQL CV1074 0516 0517 0518 25077 HD6432143SA69FA except USA assi 3 54 0920 0523 SML512MW p crock 1 DA STB DA CKDA DATA lg wa f __ P DSPTSMEOAQMYT SHIFT TX MUTE BAND X BAND HV RESET gt 55 m 12501 5 5 2 VMHZ f 2 f MCALL HNSBX24128FPI oo S 80945CLMC G7F E EEPROM I 54 31 Q24 Q25 Q26 027 028 029 51 M CALL gt REG bj EEPROM 4 SDA gj UNR9114J UNR911NJ UNR9114J UNR9114J UNR9114J pUNR9114J le s DALA pi R5 AM5 VHF 85 UHF R5 400 R5 800 R5 E DALB TONE f low 03 28A1734 REG REG REG REG REG REG 05 MA8068 U LOW sis f 3 MATORIX_IN1 4 x i5 VOL gt y CHASSIS UNIT 0071 4 2 R5 AMS R5 R5 400 R5
112. mbol LY3 Symbol 24 B B B B B Fa C Pas 2SC5008 1 2SC5085 25 5231 C8 2SC5624 25 144 GR Symbol 44 Symbol MCY Symbol C8 Symbol VH Symbol VG B B B E B s F fas Pas H G E D 3SK299 T1 073 UMGON TL UN9113J UN9114J UN9115J Symbol U73 Symbol G9 Symbol 6C Symbol 6D Symbol 6E D G2 B1 C1 B B B i E1 c c s 1 G1 2 UN911NJ UN9210J UN9213J UN921NJ XP1115 Symbol EW Symbol 8L Symbol 8C Symbol EX Symbol 9L B B B B BIL C hs c B2 JC2 1 XP4601 XP6501 AB Symbol 5C Symbol 5N E1 C1 E1 C1 B J lt ran B1 r B2 E2 B1 C2 A E2 B2 Yi C2 SECTION 9 BOARD LAYOUTS 9 1 CONTROL UNIT VIEW LJ LJ EZ En e ICU UE Fa Laka S MW V MHz M CALL TONE LOW MONI SQL MW SCAN PRIO T SCAN DUP DTMF lt BOTTOM VIEW CONTROL UNIT to MAIN unit J503 HV TDATA 9 2 9 2 MAIN UNIT
113. nsmit 8 V for VHF band which is the same voltage as the 8V line controlled by the VT8 reg ulator circuit 019 022 using the VTXC line Transmit 8 V for UHF band which is the same voltage as the 8V line controlled by the UT8 reg ulator circuit 20 Q23 using the line Common 5 V converted from the HV line by the 5 regulator circuit IC503 Common 5 V converted from the 5V line by the 5 regulator circuit Q503 D504 The circuit is controlled by the power switch controller 0502 Common 8 V converted from the 8 V line by the 8 regulator circuit Q4 Common 8 V line which is selected by the SEL_SW circuit Q6 Q8 The voltage is applied to the VHF VCO VCO board Q3 D1 D2 and buffer amplifiers VCO board Q4 Q5 Common 8 V line which is selected by the SEL_SW circuit Q6 Q8 The voltage is applied to the UHF VCO VCO board Q101 D100 D101 and buffer amplifiers VCO board Q102 103 Receive 5 V line converted from the 5VS line the R5 regulator circuit Q24 The circuit is con trolled by the R5CTRL signal from the CPU IC505 pin 78 Receive 5 V line for AM circuit converted from the 5VS line by the 5 regulator circuit 025 The circuit is controlled by the AM signal from the CPU IC505 pin 69 Receive 5 V line for VHF circuit converted from the 5VS line by the VHF_R5 regulator circuit Q26 The circuit is controlled by the RXVH
114. o each attenuator circuits The attenuated signals are applied to the each RF circuits 4 1 4 RF CIRCUITS MAIN UNIT The RF circuit amplifies signals within the range of frequen cy coverage and filters out of band signals VHF RF CIRCUIT 118 MHz 174 MHz The signals from the attenuator circuit pass through the tun able bandpass filter 41 L40 L44 C273 C280 The fil tered signals are amplified at the VHF RF amplifier Q38 and are then enter another 3 stage tunable bandpass filter D22 D23 D29 L28 C171 C174 C176 C177 C181 C185 C191 C198 C204 C208 to suppress unwanted sig nals and improve the selectivity The filtered signals are applied to the VHF 1st mixer circuit Q32 UHF RF CIRCUIT 430 MHz 440 MHz The signals from the attenuator circuit are applied to the UHF RX switching circuit D42 The signals are amplified at the UHF RF amplifier Q39 and are then enter bandpass fil ter 14 to suppress unwanted signals The filtered signals are applied to the UHF 1st mixer circuit Q35 Antenna N LPF lt 1 T R HPF Q40 an BPr lt ATT lt SW HPF ABOVE 230 MHz RF CIRCUIT 230 MHz 550 MHz 430 MHZ 440 MHz The signals from the attenuator circuit pass through the tun able bandpass filter D36 L37 L38 242 253
115. oltage IC6 employs the 8 bit CPU 4 4 2 LCD DISPLAY CIRCUIT CONTROL UNIT The transceiver s LCD display employs 1 4 duty custom LCD which displays frequency S meter TX power level etc The LCD display is controlled by the sub CPU IC6 pins 41 78 directly 4 4 3 LCD AND KEY BACK LIGHT CIRCUIT CONTROL UNIT The sub CPU IC6 outputs 8 regulator circuit Q1 Q3 D5 control signal from pin 2 The voltage from 8 regulator cir cuit is applied to the key back light circuit 0513 0518 DS20 0523 and LCD back light circuit 0522 The back light color is also controlled by the sub CPU via the color control circuit Q6 Q7 The back light has 3 colors Umber Green and Yellow 4 5 POWER SUPPLY CIRCUITS 4 5 1 CONTROL UNIT VOLTAGE LINES V y 8 regulator circuit Q1 Q3 D5 The output volt age is applied to the LCD back light DS22 and key back light DS13 DS18 DS20 0521 0523 circuits Common 5 V converted from the HV line by the 5 regulator circuit IC5 D4 The output voltage is applied to the reset circuit IC2 and buffer amplifier Q2 4 5 2 MAIN UNIT VOLTAGE LINES Line Description The voltage from the external power supply via the W501 OPC 465 The same voltage as the HV line which is con trolled by the VCC regulator circuit Q501 The circuit is controlled by the power switch controller Q502 Common 8 V converted from the VCC line by the 8 regulator circuit IC504 Tra
116. regulator IC504 TA7808F PA module VHF band IC13 S AV32 5V regulator IC503 TA7805F FM IF IC IC8 TA31136FN D A converter 4 M62363FP 650C SECTION 3 DISASSEMBLY INSTRUCTIONS lt Removing the MAIN unit Unscrew 8 screws 6 and remove the MAIN unit Unscrew 4 screws and remove the cover Disconnect the cable from J505 and remove the speaker 1 Remove 2 sheets C MAIN UNIT Unsolder 3 points Disconnect the cable from J1 6 Unscrew 3 screws E and remove the cover Unscrew 2 screws and remove the LCD plate Remove the CONTROL unit lt Removing the CONTROL unit Remove 2 knobs CONTROL UNIT Unscrew 2 screws B and remove the cover SECTION 4 CIRCUIT DESCRIPTION 4 1 RECEIVER CIRCUITS 4 1 1 DUPLEXER CIRCUIT MAIN UNIT The transceiver has a duplexer low pass and high pass fil ters on the first stage from the antenna connector to sepa rate the signals into VHF and above 800 MHz signals The 2 of low pass filters L51 L52 L56 C295 C299 and L45 L46 L49 C282 C285 C289 are for VHF signals the low pass L51 L52 L56 C295 C299 and high pass L47 L50 C284 C288 C292 C586 filters are for signals and high pass filter L55 L58 C298 C302 C304 is for above 800 MHz signals The separated signals are applied to each antenna switch ing
117. s then applied to the LO switching circuit 1 RECEIVING 118MHz 174 MHz The signal is applied to the LO switching circuit MAIN unit D528 as V_RXLO signal and is applied to the 1st mixer circuit MAIN unit Q32 then mixed with the 1st IF signal 2 RECEIVING 230 MHz 550 MHz The signal is applied to the LO switching circuit MAIN unit D15 D529 D530 as V_RXLO signal and is applied to the 1st mixer circuit MAIN unit Q35 then mixed with the 1st IF signal A portion of the RF signal from the buffer amplifier Q4 is amplified at the buffer amplifier Q50 and is then fed back to the PLL IC MAIN unit IC1 pin 8 as the comparison sig nal WHILE RECEIVING UHF BAND OR 800 MHz BAND The oscillated signal at the U VCO circuit is amplified at the buffer amplifiers Q102 Q103 and is then applied to the VCO switching circuit for UHF band D104 for 800 MHz D105 While receiving UHF band the signal passes through the attenuator C125 R117 R119 R120 and low pass filter Q105 L7 L8 C36 C38 and is then applied to the VCO switching circuit D106 While receiving 800 MHz band the signal is doubled at the doubler amplifier 0104 and passes through the bandpass filter 1108 1110 C127 C129 C132 C133 C135 and attenuator R127 R128 The signal is applied to the VCO switching circuit D107 1 RECEIVING UHF BAND The signal is applied to the LO switching circuit MAIN un
118. xt voce TH 4 I Sx L l BAS 83 MUTE W513 P26 A14 VOL DATA Sas 85 S88 8555 P27 A15 LW 28 28 783 88 1 520 100 veci 571100 mw 2 Le 1 215 2 R530 10k IOS ASPP95 PB6 D6 W PLLSTBT R639 85 Am FWRIP94 PB7 D7 NAE PLLSTB2 22k REF V ViXC KINT3 CIN13 A21 PA5 P47 PWX1 WT w KINTZ CIN12 A20 PA4 P46 PWXO W Sx tes DTCS SEL LW RD PABITMRIT 5 SxS Bes e RD P93 R574 100 DA STB 05731 3 225 25 IRQ0 P92 P44 TMO1 55 Moo DA AFO RATP P43 TMCH n57 Wing DA DATA ADTRG IRQZLWRIPSO P42 TMRIO SCK2 w 88 z 10k 6574 10 AFOUT kandi H g 0508 2 258 585 BL 59 C559 R597 UNR9213J 602 bTME 4k 0 0033 47k MODIN P SQL EAS AW w I E SQ g y 1 g z Bar 88 53 RX 4 8V 292822 8sT 68 88 TX ARV AFOUT 2299956 pe b 2 Q507 E 55256 2 UNR9113J P PTT DATA 1200_9600SEL 1 MICMUTE x 8 58 188 EUW066BCFV 85 2 e e Siswa TE ees 0509 406 J ce BS Bs Tos PER 8 wd Ones 10 m DETS 88 sz PIT slelale TT Eset MIC_SENS H BE 5 a kaka ka gai E C575 Es 1 1 R583 C553 ER iz 1 10 iss ui s L z P MOD MUTE 28 5 88 5 83 DATAIN sT ERN 887 J Klas B olla 8 2k USA 20 5

Icom IC-208H Service Manual - The Repeater Builder`s Technical

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