Icom IC-M220 Service Manual
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Icom IC-M220 Service Manual

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SERVICE
MANUAL
VHF MARINE TRANSCEIVERS
|M220
|M220G
S-15506XZ-C1
October 2018

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Summary of Contents for Icom IC-M220

  • Page 1 SERVICE MANUAL VHF MARINE TRANSCEIVERS |M220 |M220G S-15506XZ-C1 October 2018...
  • Page 2 Icom, Icom Inc. and the Icom logo are registered trademarks of Icom Incorporated (Japan) in Japan, the United States, the United Kingdom, Germany, France, Spain, Russia, Australia, New Zealand, and/or other countries.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION 1 SPECIFICATIONS SECTION 2 INSIDE VIEWS SECTION 3 DISASSEMBLY INSTRUCTIONS SECTION 4 ADJUSTMENT PROCEDURE PREPARATION ……………………………………………………………………………………… 4-1 FREQUENCY ADJUSTMENTS …………………………………………………………………… 4-3 RECEIVE ADJUSTMENTS ………………………………………………………………………… 4-3 TRANSMIT ADJUSTMENTS ……………………………………………………………………… 4-5 SECTION 5 PARTS LIST SECTION 6 MECANICAL PARTS SECTION 7 BOARD LAYOUTS SECTION 8...

  • Page 4: Specifications

    SECTION 1 SPECIFICATIONS M General • Frequency coverage: 156.025 ~ 157.425 MHz 156.050 ~ 163.275 MHz DSC receiver 156.525 MHz • Type of emission: 16K0G3E, 16K0G2B • Antenna impedance: 50 Ω (nominal) • Operating temperature range: −20ºC ~ +60ºC (−4ºF ~ +140ºF) •...

  • Page 5: Inside Views

    SECTION 2 INSIDE VIEWS • MAIN UNIT (TOP VIEW) PRE DRIVER (Q13) POWER AMPLIFIER Inside the shielded case. (Q14) Inside the shielded case. AF AMPLIFIER (IC701) YGR AMPLIFIER (Q12) +3 V REGULATOR DIRECT CONVERSION IC (IC511) (IC301) +5 V REGULATOR DIRECT CONVERSION IC (IC512) (IC201)
  • Page 6 • LOGIC UNIT (TOP VIEW) (DS1) • LOGIC UNIT (BOTTOM VIEW) EEPROM (IC9) LOGIC UNIT NMEA BUFFER (IC5) GPS RECEIVER IC (IC201) 3.3 V REGULATOR (IC4) GPS- ANT BOARD 7.9872 MHz SYSTEM CLOCK (X1) (IC1) DSC SWITCH (IC3) MIC-JACK BOARD Available only with the IC-M220G.

  • Page 7: Disassembly Instructions

    SECTION 3 DISASSEMBLY INSTRUCTIONS 1. REMOVING THE FRONT PANEL 2. REMOVING THE LOGIC UNIT 1) Remove the 4 screws from the case. 1) Unsolder the 2 points of the speaker cables, and Case disconnect the flat cable from the LOGIC UNIT. Speaker cables Flat cable Case...
  • Page 8 3. REMOVING THE MAIN UNIT 1) Remove the 4 screws from the case. 4) Unsolder the 2 points of the antenna connector, and Case remove the IC clip from the MAIN UNIT. Case Case Antenna conector Jumper wire IC clip Case Antenna conector Antenna conector...

  • Page 9: Adjustment Procedure

    SECTION 4 ADJUSTMENT PROCEDURE 4-1 PREPARATION ■ REQUIRED EQUIPMENT EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE Programming CS-M220 PROGRAMMING Modified OPC-2132 JIG cable software SOFTWARE (Revision 1.00 or later) (See the illustration shown on page 4-2.) Programming Standard signal OPC-478UC cable generator (SSG)
  • Page 10 ■ JIG CABLE AUDIO GENERATOR AC MILLIVOLTMETER (300~3000 Hz/1~500 mV) (10 mV to 10 V) Cut the cable and make the proper connections, according to the diagram. + − + − (PTT) White (MIC) (GMD) (CLONE) OPC-2132 Blue Brown 3-conductor 3.5 (d) mm jack ■...

  • Page 11: Frequency Adjustments

    4-2 FREQUENCY ADJUSTMENTS 1) Select an adjustment item using [↑]/[↓]/[←]/[→] on the PC’s keyboard. 2) Set or modify the adjustment value as specified using [Space]/[Back Space] on the PC’s keyboard. TRANSCEIVER’S ADJUSTMENT ADJUSTMENT OPERATION VALUE CONDITION ITEM REFERENCE 1 • Operating channel: 16 •...
  • Page 12 4-3 RECEIVE ADJUSTMENTS (CONTINUED) 1) Select an adjustment item by pushing [↑]/[↓] on the PC keyboard. 2) Set or modify the adjustment value as specified by pushing [←]/[→], and then push [Enter] to store the value. TRANSCEIVER’S ADJUSTMENT ADJUSTMENT OPERATION VALUE CONDITION ITEM...

  • Page 13: Transmit Adjustments

    4-4 TRANSMIT ADJUSTMENTS 1) Select an adjustment item by pushing [↑]/[↓] on the PC keyboard. 2) Set or modify the adjustment value as specified by pushing [←]/[→], and then push [Enter] to store the value. TRANSCEIVER’S ADJUSTMENT ADJUSTMENT OPERATION VALUE CONDITION ITEM TX OUTPUT...
  • Page 14 4-4 TRANSMIT ADJUSTMENTS (CONTINUED) 1) Select an adjustment item by pushing [↑]/[↓] on the PC keyboard. 2) Set or modify the adjustment value as specified by pushing [←]/[→], and then push [Enter] to store the value. TRANSCEIVER’S ADJUSTMENT ADJUSTMENT OPERATION VALUE CONDITION ITEM...

  • Page 15: Parts List

    SECTION 5 PARTS LIST [MAIN UNIT] [MAIN UNIT] PART PART DESCRIPTION DESCRIPTION LOCATION LOCATION 1110008890 S.IC NJU7056F3-TE2-#ZZZH 74.0/31.2 7030016110 S.RES RMC1/16S-473JTH (47 k) 75.8/31.9 IC201 1110010000 S.IC AT1846S 84.5/22.5 7030016300 S.RES RMC1/16S-332JTH (3.3 k) 73.7/28.3 IC301 1110010000 S.IC AT1846S 102.0/28.0 7030016330 S.RES RMC1/16S-153JTH (15 k) 72.6/33.1 IC302...
  • Page 16 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 4030022860 S.CER 0402N470J500CT 39.5/34.0 C255 4030022940 S.CER 0402B104K100CT 62.8/18.0 4030023090 S.CER 0402B102K500CT 40.4/34.0 C256 4030022940 S.CER 0402B104K100CT 63.7/18.0 4030023090 S.CER 0402B102K500CT 33.0/39.4 C311 4030023090 S.CER 0402B102K500CT 104.3/31.9 4030022810 S.CER 0402N330J500CT 32.6/40.7 C312 4030022740 S.CER 0402N220J500CT...
  • Page 17 [MAIN UNIT] [LOGIC UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C813 4030023090 S.CER 0402B102K500CT 29.3/12.5 1140018540 S.IC STM32F101VDT6 52.0/25.0 C815 4030023090 S.CER 0402B102K500CT 30.3/12.5 1110008940 S.IC NJU7057RB1-TE2-#ZMZH 55.1/7.5 C816 4030023090 S.CER 0402B102K500CT 30.8/2.1 1130009981 S.IC TC7W53FK (TE85LF) 46.0/5.6 C817 4030023090 S.CER 0402B102K500CT 31.3/12.5 1180003570 S.REG NJM2830U1-33-TE1-#ZZZB 87.1/27.1...
  • Page 18 [LOGIC UNIT] [MIC-JACK UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 4030023030 S.CER 0402B103K250CT 62.3/35.3 6510022692 S.CON 06FLT-SM2-TB (LF) (SN) (M) 2.6/5.2 4030022940 S.CER 0402B104K100CT 63.2/35.3 6450002460 CON HSJ1594-010160 4550007260 S.TAN F931C475MAABMA 64.7/41.0 4550008260 S.TAN F921C334MPA 56.4/40.1 4550007390 S.TAN F931C225MAABMA 63.8/46.3 8910000070 FFC FFC-1008 (P0.5N6L50) 4550007390 S.TAN F931C225MAABMA...
  • Page 19 [GPS-ANT UNIT] (for only IC-M220G) PARTS DESCRIPTION LOCATION 6200015480 S.COI MLG1005S 2N4C-T 12.2/18.8 4030022520 S.CER 0402N1R0B500CT 16.7/14.1 4030022610 S.CER 0402N0R3B500CT 17.1/12.9 7030014290 JUM RJ25S0OHM 3310004650 S.ANT ANT016008LCD1575MA1 17.1/18.8 Eqv.= This component is equivalent to the REF No. component listed above, M.= Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side) and may be substituted on parts orders and repairs.

  • Page 20: Mecanical Parts

    SECTION 6 MECANICAL PARTS [CHASSIS UNIT] [MIC-JACK] PART PART DESCRIPTION QTY. DESCRIPTION QTY. 6510004882 MR-DSE-01-2 6510022692 06FLT-SM2-TB (LF) (SN) (M) 6450002460 HSJ1594-010160 8920002900 CAB-1359 8910000070 FFC-1008 (P0.5N6L50) 8010024570 4048 CHASSIS 8930098330 3974 BUSH PLATE 8930034301 1542 ANT SEAL-1 8930100330 4048 IC CLIP MP11 8010024420 3974 CASE ASSEMBLY [GPS-ANT] (for only IC-M220G)
  • Page 21 MP24 (CHASSIS)×4 (8810010620) Apply the grease to the following area of the front panel Used grease: G501 (80G) SHINETSU (8950002750) MP11 (CHASSIS) (8010024420) MP13 (CHASSIS) MP23 (CHASSIS)×4 (8930055070) (8810010610) MP22 (CHASSIS) (8810010610) J1 (CHASSIS) (6510004882) MP1 (FRONT) MP14 (CHASSIS) MP3 (CHASSIS) (8930034301) (8930049040) MP2 (CHASSIS)

  • Page 22: Board Layouts

    SECTION 7 BOARD LAYOUTS The actual configuration of the PC board can be seen by viewing the top and bottom BOARD LAYOUT pages together. • MAIN UNIT (B-8866C: TOP VIEW) C116 C751 C114 C115 IC701 C752 C113 L103 C753 C121 L102 C761 C140...
  • Page 23 The actual configuration of the PC board can be seen by viewing the top and bottom BOARD LAYOUT pages together. • MAIN UNIT (B-8866C: BOTTOM VIEW) DC Power Cable R109 C125 L108 R110 C128 R103 Q101 C773 C151 R100 C153 C771 C147 C138...
  • Page 24 The actual configuration of the PC board can be seen by viewing the top and bottom BOARD LAYOUT pages together. • LOGIC UNIT (B-8867C: TOP VIEW) See the PARTS LIST H/V location on the PARTS LIST for location details.
  • Page 25 The actual configuration of the PC board can be seen by viewing the top and bottom BOARD LAYOUT pages together. • LOGIC UNIT (B-8867C: BOTTOM VIEW) B8867C SPEAKER EP201 C205 C206 C201 C113 C114 R104 EP12 R115 C161 R113 C150 C149 IC14 CLONE...
  • Page 26 The actual configuration of the PC board can be seen by viewing the top and bottom BOARD LAYOUT pages together. • MIC-JACK UNIT (B-8868C: TOP VIEW) B8868C • GPS-ANT UNIT (B-8258 for only IC-M220G: TOP VIEW) B8258 See the PARTS LIST H/V location on the PARTS LIST for location details.
  • Page 27 The actual configuration of the PC board can be seen by viewing the top and bottom BOARD LAYOUT pages together. • MIC-JACK UNIT (B-8868C: BOTTOM VIEW) MICG MICROPHONE JACK CLONE • GPS-ANT UNIT (B-8258 for only IC-M220G: BOTTOM VIEW) See the PARTS LIST H/V location on the PARTS LIST for location details.

  • Page 28: Block Diagram

    SECTION 8 BLOCK DIAGRAM JACK UNIT MAIN UNIT HM-237 IC201 MICG MICIN WXDEC Core DISTRIBUTOR CLONE Q101 0/90 Audio filter 3.3V Frequency range(USA) RSSI Sub CH filter TX:156.025MHz~157.425MHz FM modem RX:156.050MHz~163.275MHz AFC loop FRONT UNIT IC703 Synthesizer IC701 IC702 driver INT SP MUTE AFINM...

  • Page 29: Voltage Diagram

    SECTION 9 VOLTAGE DIAGRAM • MAIN UNIT 13.8 V TX: 5.0 V RX: 0 V KTA2015 R554 L101 C113 L103 CP15 IC551 0.82U JDP2S12CR 0.001 35.0N CP15S NMEAO- R551 NMEAO+ to ANT NMEAI- NMEAI+ L102 CP16 4048 AFT05MS031NR1 UTRS485G 41.0N 5.8N 23.5N 100P...
  • Page 30 • LOGIC UNIT CP21 CP10S CP22 CP10S CP201 CP08S EP201 MPZ1608S101AT FI201 IC201 RF_IN TA0757B VDD_BKUP_IN VDD_BKUP_BAT_IN NM1TXD BEEPO I2C_SCL MICIN MICG GPIO0 I2C_SDA AFINM TEMPV TDETV DSCDEC NM1RXI DSCENC WXDEC MPZ1608S101A UART0_RX BUSYM VDATA UART0_CTS VDD_PRPH_OUT BUSY70 JTMS PONO SDIO UART0_TX TXMSO...
  • Page 31 • MIC-JACK UNIT CLONE MICG Explanatory notes TX Line • GPS-ANT UNIT (for only IC-M220G) RF OUT 0.3P 2.4GHz ANT016008LCD1575MA1...
  • Page 32 Fax: +34 (93) 589 04 46 Highway 17 Delta, B.C., V4K 5B8, Canada URL: http://www.icomspain.com Phone: +1 (604) 952-4266 Fax: +1 (604) 952-0090 E-mail: icom@icomspain.com URL: http://www.icomcanada.com E-mail: info@icomcanada.com Blacksole House, Altira Park, Herne Bay, Kent CT6 6GZ, UK Phone: +44 (0) 1227 741741...
  • Page 33 S-15506XZ-C1 1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan © 2018 Icom Inc.

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