Icom IC-F510 Service Manual
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Icom IC-F510 Service Manual

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SERVICE
MANUAL
VHF TRANSCEIVER
iF510
iF520
iF521

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Summary of Contents for Icom IC-F510

  • Page 1 SERVICE MANUAL VHF TRANSCEIVER iF510 iF520 iF521...
  • Page 2 8. READ the instructions of test equipment thoroughly before connecting equipment to the transceiver. Icom, Icom Inc. and are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries.

  • Page 3: Table Of Contents

    EXPLICIT DEFINITIONS FREQUENCY COVERAGE CHANNEL SPACING 136 – 174 MHz 12.5 kHz / 25.0 kHz Narrow/Wide-type 15.0 kHz / 30.0 kHz Narrow/Middle-type 12.5 kHz / 20.0 kHz TABLE OF CONTENTS SECTION 1 SPECIFICATIONS SECTION 2 INSIDE VIEW SECTION 3 DISASSEMBLY INSTRUCTIONS SECTION 4 CIRCUIT DESCRIPTION 4 - 1...
  • Page 4 SECTION 1 SPECIFICATIONS S  USA/GEN Measurement method EIA-152-C/204D or TIA-603 ETS 300 086 Frequency coverage 136.000–174.000 MHz [N/W]: 8K50F3E/16K0F3E (15 kHz; Narrow/30 kHz; Wide) [USA] Type of emission [N/W]: 8K50F3E/16K0F3E (12.5 kHz; Narrow/25 kHz; Wide) [GEN], [EUR] [N/M]: 8K50F3E/14K0F3E (12.5 kHz; Narrow/20 kHz; Middle) [EUR] Max.
  • Page 5 SECTION 2 INSIDE VIEW Power module Antenna switch/ IC3: RA30H1317M-21 [25W] Low-pass filter circuits RA60H1317M-21 [50W] 8V regurator (IC9: TA7808F) 1st mixer* AF power amplifier (Q3: 3SK272) (IC8: LA4425A) 2nd IF filter CPU 5V regurator* (FI2: ALFYM450F=K [N/W] (IC10: AN78L05M) CFWLB450KGFA VCO circuit -B0 [N/M])

  • Page 6: Front Unit

    SECTION 3 DISASSEMBLY INSTRUCTIONS • Removing the front unit Lift up the front part of the main unit and remove it. Unscrew 4 screws A, and remove the bottom cover. Disconnect the flat cable B from J2. Unscrew 2 screws c, and remove the front unit. •...

  • Page 7: Main Unit

    SECTION 4 CIRCUIT DESCRIPTION 4-1 RECEIVER CIRCUITS 4-1-3 1ST MIXER AND 1ST IF CIRCUITS (MAIN UNIT) 4-1-1 ANTENNA SWITCHING CIRCUIT (MAIN UNIT) The 1st mixer circuit converts the received signals to a fixed The antenna switching circuit functions as a low-pass filter frequency of the 1st IF signal with the PLL output frequency.
  • Page 8 The 2nd IF signal from the 2nd mixer section (IC1, pin 3) 4-1-6 RECEIVER MUTE CIRCUITS (MAIN UNIT) passes through a ceramic filter (FI2) to remove unwanted • NOISE SQUELCH heterodyned frequencies. It is then amplified at the limiter The noise squelch circuit cuts out AF signals when no RF amplifier section (IC1, pin 5) and applied to the quadrature signals are received.

  • Page 9: Transmitter Circuits

    The RF signal from the drive amplifier (Q8) is applied to the amplified signals are passed through the compressor, low- power module (IC3) to obtain 25 W (for IC-F510/F520, 50 pass filter and high-pass filter sections and output from pin 9 W;...

  • Page 10: Pll Circuits

    4-3 PLL CIRCUITS 4-4 POWER SUPPLY CIRCUITS 4-3-1 PLL CIRCUIT LINE DESCRIPTION A PLL circuit provides stable oscillation of the transmit fre- The voltage from a DC power supply. quency and receive 1st LO frequency. The PLL output com- pares the phase of the divided VCO frequency to the refer- The same voltage as the HV line which is ence frequency.

  • Page 11: Other Circuits

    4-5 OTHER CIRCUITS 4-6 PORT ALLOCATIONS 4-5-1 COMPANDER CIRCUIT (MAIN UNIT) 4-6-1 OUTPUT EXPANDER (FRONT UNIT; IC1) IC-F510 series have compander circuit which can improve Port S/N ratio and become wide dynamic range. The circuit is Description number name composed in the compander IC (IC14).
  • Page 12 4-6-3 CPU (MAIN UNIT; IC2) Port Port Description Description number name number name I/O port for data signal to the D/A con- Input port for the microphone mute DSDA verter (IC7). signal from the optional unit via J1. MMUT Low: The microphone audio is Outputs strobe signals to the D/A con- DAST muted.
  • Page 13 Port Description number name Input port for the MAP27 data signals XTXD from the connected unit via the exter- nal connector (J9). Outputs the MAP27 data signals for XRXD the connected unit via the external connector (J9). Outputs the NMEA data signals for NTXD the connected unit via external con- nector (J8).

  • Page 14: Adjustment Procedures

    SECTION 5 ADJUSTMENT PROCEDURES 5-1 PREPARATION When adjusting IC-F510, IC-F520 or IC-F521, the optional CS-F500 ADJ ADJUSTMENT SOFTWARE (Rev. 2.0 or later)* and the OPC-1122* (modifi ed OPC1122 ; see illustration page 5-3) are required. JIG CABLE CLONING CABLE *The CS-F500 ADJ (Rev. 2.0 or later) are requied for BIIS version.
  • Page 15 • CS-F500 ADJ'S SCREEN EXAMPLE CS-F500 ADJ Rev.2.0 File Option COM 1: OPEN Connect Reload (F5) Disp para [A / D] [D / A] : 156 : 9Ch : 12.24 V BPF T1 : 50 : 32h : 0.98 V TEMPS : 187 : BBh : 30.81 'C BPF T2 : 50 : 32h :...
  • Page 16 Personal to an RS-232C port computer to the MIC DB9 female plug connector RS-232C cable IC-F510 series (straight) Audio generator OPC-1122* AC millivoltmeter (JIG CABLE) • JIG CABLE • OPC-1122* (JIG CABLE) Add a jumper wire here...

  • Page 17: Pll Adjustment

    5-2 PLL ADJUSTMENT MEASUREMENT ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT ADJUST PLL LOCK 1 • Operating CH : CH8 MAIN C o n n e c t a d i g i t a l 1.4 V MAIN C133 VOLTAGE •...
  • Page 18 5-3 SOFTWARE ADJUSTMENT (TRANSMITTING) Select an operation using [↑] / [↓] keys, then set specifi ed value using [←] / [→] keys on the connected computer keyboard. MEASUREMENT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION REFERENCE 1 • Operating CH : CH6 Rear Loosely couple a frequency 174.0000 MHz...

  • Page 19: Software Adjustment

    SOFTWARE ADJUSTMENT (RECEIVING) • Select an operation using [↑] / [↓]keys, then set specifi ed 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 20: Front Unit

    SECTION 6 PARTS LIST [FRONT UNIT] [FRONT UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 4030006860 S.CER C1608 JB 1H 102K-T 19/27.4 1130010800 S.IC LC75824W 80.9/24.4 1130008560 S.IC TC75S51F (TE85L) 25.4/22.7 6450002210 3017-8821 <KIN> 6510023090 S.CNR 20FLT-SM1-TB 64.5/25.9 1590000720 S.TR DTA144EUA T106 52.8/22.4 1590000430 S.TR...

  • Page 21: Main Unit

    [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 6070000190 S.DCR CDBCB450KCAY24-R0 104.1/57.4 1590000430 S.TR DTC144EUA T106 16.7/68.4 6050011070 S.XTL CR-664A (15.300 MHz) 98.7/37.5 1540000550 S.TR 2SD1664 T100Q 26.2/58.6 6050009910 S.XTL CR-563 (3.579545 MHz) 108.7/10.9 1540000550 S.TR 2SD1664 T100Q 31.2/58.6 6050009520 S.XTL...
  • Page 22 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 7030003500 S.RES ERJ3GEYJ 332 V (3.3 kΩ) 105.6/55.9 R148 7030003680 S.RES ERJ3GEYJ 104 V (100 kΩ) 39.2/30.9 7030003560 S.RES ERJ3GEYJ 103 V (10 kΩ) 64.2/45.9 R149 7030003680 S.RES ERJ3GEYJ 104 V (100 kΩ) 46/24 7030003580 S.RES...
  • Page 23 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION R544 7030003700 S.RES ERJ3GEYJ 154 V (150 kΩ) R262 7030003590 S.RES ERJ3GEYJ 183 V (18 kΩ) 115.5/38.6 [50W] only T 54.5/62.1 R263 7030003720 S.RES ERJ3GEYJ 224 V (220 kΩ) 113.6/39.4 R546 7520000160 S.POS...
  • Page 24 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 4030006860 S.CER C1608 JB 1H 102K-T 46.6/72.5 C190 4030007090 S.CER C1608 CH 1H 470J-T 109.1/19 C191 4030008910 S.CER C1608 JB 1H 393K-T 99.8/17.5 4030006860 S.CER C1608 JB 1H 102K-T 45.7/66.2 4030007020 S.CER C1608 CH 1H 120J-T...
  • Page 25 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 6510021300 S.CNR 52365-1091 44.2/22.2 C308 4030009530 S.CER C1608 CH 1H 030B-T 103.4/44.5 6510021300 S.CNR 52365-1091 21.9/45.7 C309 4030006900 S.CER C1608 JB 1H 103K-T 97.5/41.3 C310 4030011600 S.CER C1608 JB 1E 104K-T 96.3/13.8 C311 4030011600...
  • Page 26 SECTION 7 MECHANICAL PARTS [CHASSIS PARTS] [ACCESSORY PARTS] REF. ORDER REF. ORDER DESCRIPTION QTY. DESCRIPTION QTY. 6510004880 Connector MR-DS-E 01 5210000120 Fuse FGB 15A [25W] 5210000080 Fuse FGB 20A [50W] 2510001030 Speaker VS-57-0837A Optional product Microphone HM-100N 8600036900 Cable FX2526 P01CH Optional product Cable OPC-345 [25W]...
  • Page 27 MP11 (C) MP1 (C) J1 (C) MAIN UNIT MP12 (C) MP14 (C) MP3 (F) MP12 (M) MP4 (M) MP1 (M) R12 (F) W1 (F) J4 (M) MP13 (M) MP13 (C) J1 (F) W2 (M) MP18 (C) MP11 (C) MP3 (F) MP15 (M) MP1 (F) MP5 (M)
  • Page 28 SECTION 8 SEMI-CONDUCTOR INFORMATION • TRANSSISTORS AND FET’S • DIODES 2SA1576A T106 R 2SB1132 T100 R 2SC3585 T1B R44 2SC4081 T106 R 2SC4116 BL 1SS375-TL 1SV245 1SV252 DA204 K T146 DA221 TL (Symbol: FH) (Symbol: T3) (Symbol: BE) (Symbol: K) (Symbol: K) (Symbol: FR) (Symbol: BAR)
  • Page 29 SECTION 9 BOARD LAYOUTS 9-1 FRONT UNIT • TOP VIEW VOLUME Horizonal to microphone 9 - 1...
  • Page 30 • BOTTOM VIEW (FRONT UNIT) to MAIN unit J2 Horizonal 9 - 2...
  • Page 31 9-2 MAIN UNIT • TOP VIEW to DC power to Speaker to Optional cable OPC-822 DISC to Optional cable OPC-617 HORN to Optional unit to FRONT unit J2 Horizonal 9 - 3...
  • Page 32 • BOTTOM VIEW (MAIN UNIT) Horizonal 9 - 4...
  • Page 33 SECTION 10 BLOCK DIAGRAM DTC144EU 2SC4116 XP1214 MAIN UNIT 2SK880 RIPPLE LVIN BUFF 136-174 MHz RX VCO 2SC4226 Q50 2SC4081 D16, D50-D52 D2 UM9401F [25W] IC11 Q51 2SA1576 HVC350B⋅ 4 TC75S51F Q54 XP2401 Q52 2SC4116 D14, D15 RA30H1317M-21 [25W] D5 UM9401F D1, D11 RA60H1317M-21 [50W] D6 MA77...
  • Page 34 SECTION 11 VOLTAGE DIAGRAMS 11-1 FRONT UNIT FRONT UNIT DS12 L1-0483TAT-1 DIM2 SEG22 SEG5 SEG23 SEG4 DTA144EU DTC144EU SEG24 SEG3 SEG25 SEG2 SEG26 SEG1 P12/S12 SEG27 P11/S11 DIM1 SEG28 P10/S10 SEG29 LC75824W P9/S9 SEG30 P8/S8 ON: 7.6V DTC144EU SEG31 HORN DTA144EU DIM: 6.1V P7/S7...
  • Page 35 11-2 MAIN UNIT MAIN UNIT (1) BUS LINE1 R108 C523 R209 C363 NTCG20 2SC4116 7.0V 5.0V 2SK880 3.9k 1.8k IC11 R292 IC26 TC75S51F R107 C161 220k S-812C30AMC-C2K C522 R307 100p CR-664A 100k C123 R138 47k C124 OPV1 APST 100p C145 2SC4215 C163 OPV2...
  • Page 36 CHASSIS MAIN UNIT (2) BUS LINE1 DTC144EU CPU5 R111 R112 C165 0.001 1.3V IC21 4.7∝ NJM12902V R116 R117 C170 1.5k 5.6k 0.033 R130 27k R131 68k IC21a IC21d NJM12902V R190 C166 R182 R181 R185 NJM12902V 0.001 IC21b C167 C168 C169 C190 NJM12902V 0.027...
  • Page 37 E-mail : info@icomcanada.com Unit 9, Sea St., Herne Bay, Kent, CT6 8LD, U.K. Phone : +44 (01227) 741741 Fax : +44 (01227) 741742 Icom (Australia) Pty. Ltd. : http://www.icomuk.co.uk E-mail : info@icomuk.co.uk A.B.N. 88 006 092 575 290-294 Albert Street, Brunswick, Victoria, 3056, Australia Icom France S.a...
  • Page 38 S-13817HZ-C1V-w C 2002-2005 Icom Inc.

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