Icom IC-F43GT Service Manual
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Jul. 2008
MODEL
IC-F43GT
(Ten-key)
IC-F44GT
(Ten-key)
IC-F43GS
(4-key)
IC-F44GS
(4-key)
Sep. 2008
SERVICE MANUAL
ADDENDUM
CONTENTS
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
BOARD LAYOUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
VOLTAGE DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . 9
VERSION
VERSION
ABBREVIATION
MTG-01
[2]
USA-01
[4]
USA-02
[5]
USA-03
[9]
USA-04
[12]
GEN-01
[6]
GEN-02
[7]
AUS-02
[10]
CHN-01
[11]
CHN-02
[1]
SEA-01
[13]
MTE-01
[3]
EUR-01
[8]
MTG-01
[15]
USA-01
[18]
USA-02
[19]
USA-03
[23]
USA-04
[25]
GEN-01
[20]
GEN-02
[21]
AUS-02
[24]
MTG-02
[16]
CHN-01
[26]
CHN-02
[14]
MTE-01
[17]
EUR-01
[22]
FREQUENCY
CHANNEL
RANGE
SPACING
400–470 MHz
450−512 MHz
380−430 MHz
400–470 MHz
12.5/25.0 kHz
450−520 MHz
400–470 MHz
12.5/25.0 kHz
400–470 MHz
12.5/20.0/25.0 kHz
400–470 MHz
450−512 MHz
380−430 MHz
400–470 MHz
12.5/25.0 kHz
450−520 MHz
400–470 MHz
12.5/25.0 kHz
400–470 MHz
12.5/20.0/25.0 kHz

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Summary of Contents for Icom IC-F43GT

  • Page 1 CHANNEL VERSION MODEL VERSION ABBREVIATION RANGE SPACING MTG-01 400–470 MHz USA-01 USA-02 450−512 MHz USA-03 380−430 MHz USA-04 [12] IC-F43GT 400–470 MHz 12.5/25.0 kHz (Ten-key) GEN-01 GEN-02 450−520 MHz AUS-02 [10] CHN-01 [11] 400–470 MHz CHN-02 SEA-01 [13] IC-F44GT 12.5/25.0 kHz MTE-01 400–470 MHz...
  • Page 2: Parts List

    Sep. 2008 SECTION 6 PARTS LIST [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 1110006350 S.IC LM2902PWR 55.4/23.8 6200007690 S.COL LQW2BHN18NJ03L [5], [7], [10], 1110005771 S.IC S-80942CNMC-G9CT2G 20.8/41.5 [16], [19], [21], [24] only 93.7/37 1110003201 S.IC TA31136FNG (EL) 81.5/17 6200007680 S.COL LQW2BHN12NJ03L 87.7/38.2...
  • Page 3 Sep. 2008 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 7030005100 S.RES ERJ2GEJ 154 X (150 k) 78.7/29.5 R211 7030005240 S.RES ERJ2GEJ 473 X (47 k) 53.6/18.7 7030004980 S.RES ERJ2GEJ 101 X (100) 78.8/27.9 R213 7030005040 S.RES ERJ2GEJ 472 X (4.7 k) 51.8/20.8 7030004980 S.RES ERJ2GEJ 101 X (100) 76.6/29.2...
  • Page 4 Sep. 2008 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R348 7030005120 S.RES ERJ2GEJ 102 X (1 k) 84.1/33.2 4030017460 S.CER ECJ0EB1E102K 86.5/36.6 R349 7030005120 S.RES ERJ2GEJ 102 X (1 k) 28/20.4 4030017380 S.CER ECJ0EC1H050B 85.7/32.2 R350 7030005120 S.RES ERJ2GEJ 102 X (1 k) 22.7/15.1 4030017620 S.CER ECJ0EC1H100C 87.2/35.6...
  • Page 5 Sep. 2008 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 4030017640 S.CER ECJ0EC1H150J C123 C193 4030017420 S.CER ECJ0EC1H470J [1], [2], [3], [5], [7], [11], [12], [13], [1], [2], [3], [8], [9], [11], [12], [13], [14], [15], [17], [19], [21], [25], [26] 73/22.9 [14], [15], [17], [22], [23], [25], [26] 66.9/31.5...
  • Page 6 Sep. 2008 [MAIN UNIT] [PA UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C396 4030017360 S.CER ECJ0EC1H030B Q701 1560001232 S.FET RD07MVS2-T112 22.6/8.3 [5], [7], [10], [16], [19], [21], [23], Q702 1560001241 S.FET RD01MUS1-T113 15.7/8.2 [24] 84.7/24.8 Q703 1530000370 S.TR 2SC3356-T1B 8.4/14 4030017580 S.CER ECJ0EC1H060C Q704 1530003260 S.TR...
  • Page 7 Sep. 2008 [PA UNIT] [FUSE UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C734 4030017730 S.CER ECJ0EB1E471K 13.1/2.4 L801 6200012550 S.COL 0.30-1.2-4TR 11.5N <COMO> 5.7/12.2 C735 4030017360 S.CER ECJ0EC1H030B [10], [16] only 3.5/11.5 L802 6200012540 S.COL 0.30-1.2-5TR 16.1N <COMO> 6.8/9.5 C742 4030017460 S.CER ECJ0EB1E102K 34/14.5 C744...
  • Page 8: Board Layouts

    Sep. 2008 SECTION 9 BOARD LAYOUTS • MAIN UNIT (TOP VIEW) OPT2 OPT1 C424 B6204H C368 R303 R360 R281 C140 C186 R173 C176 R172 R130 IC21 R305 R175 C111 R111 C193 C146 R116 C135 C165 C162 C143 C164 R228 R229 C141 C329 C330...
  • Page 9 • PA UNIT (BOTTOM VIEW) C752 C750 • BC-160 (BOTTOM VIEW) • ANT UNIT L712 R726 (BOTTOM VIEW) R727 • FUSE UNIT (BOTTOM VIEW) L705 C713 R701 C729 C721 R710 C723 Q702 CHARGE B6319 VSENS S-14108IH-P2- q Printed in Japan © 2004−2007 Icom Inc.
  • Page 10: Voltage Diagram

    Sep. 2008 SECTION 11 VOLTAGE DIAGRAM • MAIN UNIT To PA UNIT RX VCO R104 R103 R304 C126 R516 VCON R108 C156 IC25 IC24 C211 C102 C100 TX VCO LVIN C123 IC21 OUT1 CUTO VCCIF VCCRF VPIF VPRF CPOIF CPORF R110 C150 FINIF...
  • Page 11 Sep. 2008 • PA UNIT ( F U S E U N I T ) VCC1 L 7 0 6 t o _ L P F L P F L 7 0 4 L 7 0 3 C701 D701 C742 L 7 0 9 C708 C761...
  • Page 12 CHANNEL VERSION MODEL VERSION ABBREVIATION RANGE SPACING MTG-01 400–470 MHz USA-01 USA-02 450−512 MHz USA-03 380−430 MHz USA-04 [12] IC-F43GT 400–470 MHz 12.5/25.0 kHz (Ten-key) GEN-01 GEN-02 450−520 MHz AUS-02 [10] CHN-01 [11] 400–470 MHz CHN-02 SEA-01 [13] 12.5/25.0 kHz...
  • Page 13 Jul. 2008 SECTION 6. PARTS LIST [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 1110006350 S.IC LM2902PWR 55.4/23.8 6200007690 S.COL LQW2BHN18NJ03L [5], [7], [10], 1110005771 S.IC S-80942CNMC-G9CT2G 20.8/41.5 [16], [19], [21], [24] only 93.7/37 1110003201 S.IC TA31136FNG (EL) 81.5/17 6200007680 S.COL LQW2BHN12NJ03L 87.7/38.2...
  • Page 14 Jul. 2008 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 7030005100 S.RES ERJ2GEJ 154 X (150 k) 78.7/29.5 R211 7030005240 S.RES ERJ2GEJ 473 X (47 k) 53.6/18.7 7030004980 S.RES ERJ2GEJ 101 X (100) 78.8/27.9 R213 7030005040 S.RES ERJ2GEJ 472 X (4.7 k) 51.8/20.8 7030004980 S.RES ERJ2GEJ 101 X (100) 76.6/29.2...
  • Page 15 Jul. 2008 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R348 7030005120 S.RES ERJ2GEJ 102 X (1 k) 84.1/33.2 4030017460 S.CER ECJ0EB1E102K 86.5/36.6 R349 7030005120 S.RES ERJ2GEJ 102 X (1 k) 28/20.4 4030017380 S.CER ECJ0EC1H050B 85.7/32.2 R350 7030005120 S.RES ERJ2GEJ 102 X (1 k) 22.7/15.1 4030017620 S.CER ECJ0EC1H100C 87.2/35.6...
  • Page 16 Jul. 2008 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C123 4030017620 S.CER ECJ0EC1H100C 73/22.9 C193 4030017420 S.CER ECJ0EC1H470J C123 4030017640 S.CER ECJ0EC1H150J [1], [2], [3], [8], [9], [11], [12], [13], [1], [2], [3], [5], [7], [11], [12], [13], [14], [15], [17], [22], [23], [25], [26] 66.9/31.5 [14], [15], [17], [19], [21], [25], [26]...
  • Page 17 Jul. 2008 [MAIN UNIT] [PA UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C396 4030017360 S.CER ECJ0EC1H030B Q701 1560001232 S.FET RD07MVS2-T112 22.6/8.3 [5], [7], [10], [16], [19], [21], [23], Q702 1560001241 S.FET RD01MUS1-T113 15.7/8.2 [24] 84.7/24.8 Q703 1530000370 S.TR 2SC3356-T1B 8.4/14 4030017580 S.CER ECJ0EC1H060C Q704 1530003260 S.TR...
  • Page 18 Jul. 2008 [PA UNIT] [FUSE UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C734 4030017730 S.CER ECJ0EB1E471K 13.1/2.4 L801 6200012550 S.COL 0.30-1.2-4TR 11.5N <COMO> 5.7/12.2 C735 4030017360 S.CER ECJ0EC1H030B [10], [16] only 3.5/11.5 L802 6200012540 S.COL 0.30-1.2-5TR 16.1N <COMO> 6.8/9.5 C742 4030017460 S.CER ECJ0EB1E102K 34/14.5 C744...
  • Page 19 Jul. 2008 SECTION 9 BOARD LAYOUTS • MAIN UNIT (TOP VIEW) OPT2 OPT1 B6204F C424 C368 CP64 R303 R360 R281 C140 C186 R173 C176 R172 R130 IC21 R305 R175 C111 R111 C193 C146 R116 C135 C165 C162 C143 C164 R127 R228 R229 C141...
  • Page 20 • PA UNIT (BOTTOM VIEW) C752 • BC-160 (BOTTOM VIEW) C750 • ANT UNIT L712 (BOTTOM VIEW) R726 R727 • FUSE UNIT (BOTTOM VIEW) L705 C713 R701 C729 C721 R710 C723 Q702 CHARGE B6319 VSENS S-14108IH-P2- q Printed in Japan © 2004−2007 Icom Inc.
  • Page 21 Jul. 2008 SECTION 11 VOLTAGE DIAGRAM To PA UNIT RX VCO R104 R103 R304 C126 VCON R516 R108 C156 IC25 IC24 C211 C102 C100 TX VCO LVIN C123 IC21 OUT1 CUTO VCCIF VCCRF VPIF VPRF CPOIF CPORF R110 C150 FINIF FINRF C183 C390...
  • Page 22 Jul. 2008 ( F U S E U N I T ) VCC1 L 7 0 6 t o _ L P F L P F L 7 0 4 L 7 0 3 C701 D701 C742 L 7 0 9 C708 C761 Q702...
  • Page 23 UHF TRANSCEVER iC-f43gt iC-f43gs iC-f44gt iC-f44gs S-14108IZ-C1-q Apr. 2007...
  • Page 24: Ten-Key) Gen

    Top cover 10 pieces Addresses are provided on the inside back cover for your convenience. Icom, Icom Inc. and logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries.
  • Page 25: Table Of Contents

    CONTENTS SECTION SPECIFICATIONS SECTION INSIDE VIEWS SECTION DISASSEMBLY INSTRUCTIONS SECTION OPTIONAL UNITS INSTALLATION SECTION CIRCUIT DESCRIPITON RECEIVER CIRCUITS............5-1 TRANSMITTER CIRCUITS .
  • Page 26 SECTION 1 SPECIFICATIONS M GENERAL • Frequency coverage : 380.000–430.000 MHz [USA-03] 450.000–512.000 MHz [USA-01], [USA-02], [USA-04] 450.000–520.000 MHz [GEN-01], [GEN-02] 350.000–390.000 MHz [GEN-04] 400.000–470.000 MHz [others] • Mode : FM • Type of emission : Wide: 16K0F3E (25.0 kHz) Middle: 14K0F3E (20.0 kHz) Narrow: 11K0F3E/8K50F3E (12.5 kHz) •...
  • Page 27 SECTION 2 INSIDE VIEWS • MAIN UNIT TOP VIEW BOTTOM VIEW AF amplifier +5 Regulator APC amplifier (IC15: TA7368F) (IC17: NJM2870) (IC16: TA75S01F) IF amplifier Mute switch TX/RX switch (Q7: 2SC4215 O) (D29: MA2S111) IF IC D16: 1SV307 D17: MA2S077 (IC9: TA31136FN) VCO circuit PLL IC...
  • Page 28 SECTION 3 DISASSEMBLY INSTRUCTION • REMOVING THE CHASSIS UNIT • REMOVING THE PA UNIT 1 Unscrew 1 nut A, and remove 2 knobs B, C. 1 Unscrew 3 screws M. 2 Unscrew 2 screws D. 2 Unsolder 4 points N, and take off the PA unit in the 3 Unscrew 2 screws E.
  • Page 29 SECTION 4 OPTIONAL UNIT INSTALLATION l l a o l l l l a fl fl u l l o l l , s i t f i l s ’ t ™ ™ next page. n i l , t f a l i above.
  • Page 30 n i l above. - r i a l l o i t l l a l l a above. ™ 4 - 2...
  • Page 31: Receiver Circuits

    SECTION 5 CIRCUIT DESCRIPTION 5-1 RECEIVER CIRCUITS The RF signals from the bandpass fi lter are mixed with the 1st LO signals, where come from the RX VCO circuit via the 5-1-1 ANTENNA SWITCHING CIRCUIT (PA UNIT) low-pass filter (L46, C396, C397), at the 1st mixer circuit The antenna switching circuit functions as a low-pass fi...
  • Page 32: Transmitter Circuits

    The 2nd IF signal from the 2nd mixer (IC9, pin 3) passes The “NOIS” signal from the FM IF IC is applied to the CPU through the ceramic filter (FI2) to remove unwanted (IC22, pin 75). Then the CPU analyzes the noise condition heterodyned frequencies.
  • Page 33 5-2-3 DRIVE/POWER AMPLIFIER CIRCUITS posed of microphone amplifier, compressor, scrambler, (PA UNIT) limiter, splatter fi lter, MSK modulator, etc. at the microphone amplifi er section. The drive/power amplifi er circuits amplify the VCO oscillating signal to an output power level. The AF signals (MIC) from the microphone (MC1) are applied to the amplifier (IC23, pins 6, 7).
  • Page 34: Pll Circuits

    5-3-2 VCO CIRCUITS (MAIN UNIT) (MAIN unit; IC16; pin 3), and the “T2” signal from the D/A converter (MAIN unit; IC12, pin 23), controlled by the CPU The VCO circuits contains a separate RX VCO (Q17, D9, (MAIN unit; IC22), is applied to the other input for reference. D11) and TX VCO (Q16, D10, D12, D13).
  • Page 35: Other Circuits

    5-6 PORT ALLOCATIONS 5-5 OTHER CIRCUITS 5-6-1 D/A CONVERTOR IC (IC12) 5-5-1 COMPANDER CIRCUIT (MAIN UNIT) IC-F43GT/GS/F44GT/GS have compander circuit which can Port improve S/N ratio and become wide dynamic range. The Description number name circuit is composed in the base band IC (IC14).
  • Page 36 5-6-2 CPU (MAIN unit; IC22) Port Port Description Description number name number name 13, 15, CENC0– Output the CTCSS/DTCS signals. Input port for the PTT switch detection CENC2 signal. Low: While switch Outputs the reference oscillator cor- pushed. recting voltage. The voltage is applied to the buffer amplifier (IC24, pin3).
  • Page 37: Preparation

    SECTION 6 ADJUSTMENT PROCEDURE 6-1 PREPARATION When adjusting IC-F43GT/F43GS/F44GT/F44GS, the optional CS-F33G ADJ (Rev. 1.0 or later), OPC- ADJUSTMENT SOFTWARE OPC-478U and a JIG CABLE (see illustration at page 5-3) are CLONING CABLE (RS-232C type), CLONING CABLE (USB type) required.
  • Page 38 • CS-F33G ADJ’S SCREEN EXAMPLE NOTE: The above values for settings are example only. Each transceiver has its own specific values for each setting. q: Transceiver’s connection state !1 : CTCSS/DTCS deviation w: Reload adjustment data !2 : Squelch level e: Receive sensitivity measurement !3 : Reference frequency r: Connected DC voltage measurement...
  • Page 39 • CONNECTION AC millivoltmeter To [MIC] Audio generator to the antenna connector Standard signal generator Personal 0.1 µV to 32 mV computer (–127 dBm to –17 dBm) CAUTION! DO NOT transmit while an SSG is connected to the antenna connector. OPC-478 to RS-232C port Attenuator...
  • Page 40 6-2 SOFTWARE ADJUSTMENT (TRANSMITTING) Select an operation using [↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard. MEASUREMENT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION PLL LOCK • Operating CH : CH1 Check the “LVIN”...
  • Page 41 SOFTWARE ADJUSTMENT (RECEIVING) • Select an operation using [↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard. • Need to adjust “S-METER ADJUSTMENT” after “RX SENSITIVITY ADJUSTMENT” is adjusted. Otherwise, “S-METER ADJUSTMENT” will not be adjusted properly. MEASUREMENT ADJUSTMENT ADJUSTMENT CONDITION...
  • Page 42: Section 7 Parts List

    SECTION 7 PARTS LIST [MAIN UNIT] [MAIN UNIT] S.=Surface mount M.=T: Mounted on the Top side, B: Mounted on the Bottom side ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 1110006350 S.IC LM2902PWR 55.4/23.8 6200007921 S.COL ELJRF 15NJFB 80.1/24 1110005771 S.IC S-80942CNMC-G9CT2G 20.8/41.5 6200007901 S.COL ELJRF 22NJFB 75.1/30.2...
  • Page 43 [MAIN UNIT] [MAIN UNIT] S.=Surface mount M.=T: Mounted on the Top side, B: Mounted on the Bottom side ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 7030005000 S.RES ERJ2GEJ 471 X (470) 69/34.6 R256 7510001730 S.TMR ERTJOEP 473J 20/32.9 7030009270 S.RES ERJ2GEJ 821 X (820) 73.1/30.9 R257 7030005090 S.RES ERJ2GEJ 104 X (100 k)
  • Page 44 [MAIN UNIT] [MAIN UNIT] S.=Surface mount M.=T: Mounted on the Top side, B: Mounted on the Bottom side ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C133 4030017640 S.CER ECJ0EC1H150J 70.3/24.3 4550007120 S.TAN F92 1D 224MPA 78/26.3 C134 4030017630 S.CER ECJ0EC1H120J e, t, u, !3 , !5 , !7 4030017510 S.CER ECJ0EC1H680J 98.2/34.9 69.9/31.8...
  • Page 45 [MAIN UNIT] [MAIN UNIT] S.=Surface mount M.=T: Mounted on the Top side, B: Mounted on the Bottom side ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C314 4030017740 S.CER ECJ0EB1E821K 55.2/18.7 5010000160 S.LED LNJ310M6URA 57.3/6 C315 4030017330 S.CER ECJ0EF1C104Z 49.2/20.6 5010000160 S.LED LNJ310M6URA 57.3/39.4 C316...
  • Page 46 [PA UNIT] [ANT UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C707 4030017460 S.CER ECJ0EB1E102K 26.3/17.6 L801 6200010920 S.COL 0.30-1.2-4TR 15.0N 5.7/12.2 C708 4030006860 S.CER C1608 JB 1H 102K-T 28.5/13.7 L802 6200010930 S.COL 0.30-1.2-5TR 21.0N except q, w, i, !1 , !2 , @0 C709 4030006980 S.CER C1608 CH 1H 070D-T 6.8/9.5...
  • Page 47: Abbreviation

    SECTION 8 MECHANICAL PARTS [CHASSIS PARTS] [PA UNIT] ORDER ORDER DESCRIPTION QTY. DESCRIPTION QTY. 6910015910 ANT CONNECTOR 104 J701* 6510024391 IMSA-6176S-03Y902 6910015860 IMSA-6277S-O2A-G J702 6910015891 9230B-1-02Z140-PT1 2510001061 K036NA500-67 F701* 5210000901 0467003.NR 8900009640 OPC-963 MP701* 8410002370 2337 PA HEATSINK 8010019454 2721 CHASSIS-4 8210020531 2721 T-FRONT PANEL-1 [FUSE UNIT] (Inc.
  • Page 48 MP25 ( C ) SP1 ( C ) MP30 ( C ) MP13(C) MP29 ( C ) W1 ( C ) J1(C) MP36(C) MP35(C) MP2 ( C ) MP8(C) MP31(C) MP20 ( C ) MP33 ( C ) MP12 ( C ) MP1(C) MP12 ( C ) MP17(C)
  • Page 49 SECTION 9 BOARD LAYOUTS • MAIN UNIT (TOP VIEW) SP1 (CHASSIS) • PA UNIT (TOP VIEW) AFOUT CLONE MICG C766 C767 D705 C763 • BC-160 (TOP VIEW) L707 • ANT UNIT (TOP VIEW) C762 EP711 C742 Q703 • FUSE UNIT (TOP VIEW) R712 L703 D701...
  • Page 50 • BC-160 (BOTTOM VIEW) C750 • ANT UNIT L712 (BOTTOM VIEW) R726 R727 • FUSE UNIT (BOTTOM VIEW) L705 C713 R701 C729 C721 R710 C723 Q702 CHARGE B6319 VSENS S-14108IH-P2-q Printed in Japan © 2004−2007 Icom Inc. 9 - 2...
  • Page 51 SECTION 10 BLOCK DIAGRAM 400-470 MHz 450-512 MHz Q20: Q18: XP1214 2SC4116 RX VCO Q19: UNR9213J Q17: 2SC4226 RIPPLE PA UNIT ANT UNIT D11: HVC350B IC24: CR-781 Q15: Q29: D16,D17: Q704: Q703: Q702: Q701: D702: MA77 ×2 15.3 MHz 2SC5006 2SC5006 2SC5107 2SC3585...
  • Page 52 SECTION 11 VOLTAGE DIAGRAM TONE EVQ–PUL 02K @compC C131 0.1 IC13 R514 R510 R120 R151 C170 TC4W53FU 100 k 47 k 47 k 47 k C136 100 P 33 k R122 R154 120 k R121 220 k EMER 68 k R291 R219 CP45...
  • Page 53 [H]: High–band. [L]: Low–band. TPC6103 C: 4.0 RX VCO 2SC4116 BL C: 3.9 C404 0.01 CR–781 15.3MHZ C: 3.8 6.8 k 6.8 k R103 220 k IC24 VCON C126 R304 T: 2.0 2SK880 Y R104 100 k TA75S01F 12 P ERJ2GE–JPW R: 0.0 R516 100 k...
  • Page 54 J1(CHASSIS) FUSE J901 9230B-1_02Z141-T (FUSE UNIT) L901 L903 VCC1 23.2 nH 23.2 nH L709 14 nH L802 L801 C745 21.0 nH 15.0 nH 2.5 P L902 23.2 nH T: 1.7 R: 0.0 L706 18 nH T: 5.0 L704 C708 C701 R: 0.0 0.4–0.9–2TL 0.001...
  • Page 55 SECTION 12 BC-160 RSQ035P03TR 100µ CHARGE [CHASSIS PARTS] 2SC4081 REF. ORDER 1SS355 DESCRIPTION QTY. 2SC4081 8010019750 2830 case VSENS battery 5.00V 4.7k 8110008220 2830 cover 9.6uS 10.05V MCR10-JPW 16.0V NJM2801U1-0543-TE1 8930039620 Leg cushion (A) MCR10-JPW 8.4V Screw PH BT M3 × 6 NI-ZU 8810008630 SM240A-T 0.12...
  • Page 57 S-14108IZ-C1-q 1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan © 2004−2007 Icom Inc.

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