Icom IC-M1V Service Manual
  1. Manuals
  2. Brands
  3. Icom Manuals
  4. Transceiver
  5. IC-M1V
  6. Service manual

Icom IC-M1V Service Manual

Vhf
Hide thumbs Also See for IC-M1V:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Instruction Manual
VHF MARINE TRANSCEIVER
im1v
im1euro v

Advertisement

Table of Contents
loading

Related Manuals for Icom IC-M1V

Summary of Contents for Icom IC-M1V

  • Page 1 VHF MARINE TRANSCEIVER im1v im1euro v...
  • Page 2 INTRODUCTION This service manual describes the latest service information for the IC-M1V/IC-M1EURO V VHF MARINE TRANSCEIVER at the time of publication. MODEL VERSION SYMBOL U.S.A. IC-M1V S.E.Asia Italy Europe IC-M1EURO V United Kingdom Germany To upgrade quality, all electrical or mechanical parts and inter- nal circuits are subject to change without notice or obligation.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION 1 SPECIFICATIONS VHF MARINE CHANNEL LIST ..................1 - 2 SECTION 2 INSIDE VIEWS SECTION 3 DISASSEMBLY AND OPTION INSTRUCTIONS SECTION 4 CIRCUIT DESCRIPTION 4 - 1 RECEIVER CIRCUITS ....................4 - 1 4 - 2 TRANSMITTER CIRCUITS ....................

  • Page 4: Specifications

    SECTION 1 SPECIFICATIONS EIA-152C/204D EN301-178 Tx: 156.025 MHz–157.425 MHz Tx: 156.025 MHz–157.425 MHz Frequencycoverage Rx: 156.025 MHz–163.275 MHz Rx: 156.025 MHz–162.025 MHz Mode 16K0G3E (FM) Power supply requirement BP-215 (7.4 V DC) Usable temperature –10 ˚C to +60 ˚C (+14˚F to +140˚F) –15 ˚C to +55 ˚C (+5˚F to +131˚F) Frequency stability ±...

  • Page 5: Vhf Marine Channel List

    Low power only, * Momentary high power, * Receive only NOTE: Channels 3, 21, 23, 61, 64, 81, 82 and 83 CANNOT be used by the general public in USA waters. ‘ ‘ WX CHANNEL LIST ([IC-M1V] only) Frequency (MHz) Frequency (MHz) Weather...

  • Page 6: Inside Views

    SECTION 2 INSIDE VIEWS • MAIN UNIT EEROM (IC7: HN58X2432TI) (IC9: HD6433835SC94H) CPU system clock (X2: CR-610, 7.9872 MHz) IF filter (FI1, FI2: SFPC450E T001, 450 kHz) IF discreminator crystal (X1: CDBCA450CX24, 450 kHz) FM IF IC (IC1: TA431136FN (D, EL)) Microphone amplifier (IC4: NJM2902V) AF analog switch...

  • Page 7: Disassembly And Option Instructions

    SECTION 3 DISASSEMBLY AND OPTION INSTRUCTIONS • Removing the Rear panel • Removing the MAIN unit Rear panel MAIN unit Rubber Rear panel Front panel (2 × 20 mm), and 4 screws (2 × 3.5 mm, silver) from q Unscrew 7 screws Unscrew 2 screws (2 ×...

  • Page 8: Circuit Description

    SECTION 4 CIRCUIT DESCRIPTION 4-1 RECEIVER CIRCUITS 4-1-3 2ND IF AND DEMODULATOR CIRCUITS (MAIN AND RF UNITS) 4-1-1 ANTENNA SWITCHING CIRCUIT (RF UNIT) The 2nd mixer circuit converts the 1st IF signal to a 2nd IF The antenna switching circuit functions as a low-pass filter signal.

  • Page 9: Transmitter Circuits

    4-1-5 SQUELCH CIRCUIT (MAIN UNIT) 4-2-3 DRIVE/POWER AMPLIFIER CIRCUITS The noise squelch circuit cuts out AF signals when no RF (RF UNIT) signals are received. By detecting noise components in the The signal from the VCO circuit passes through the trans- AF signals, the squelch circuit switches the AF mute switch.

  • Page 10: Pll Circuit

    4-4 POWER SUPPLY CIRCUITS 4-3 PLL CIRCUIT (RF UNIT) VOLTAGE LINES A PLL circuit provides stable oscillation of the transmit fre- quency and receive 1st LO frequency. The PLL output com- LINE DESCRIPTION pares the phase of the divided VCO frequency to the refer- The voltage from the attached battery pack.

  • Page 11: Port Allocations

    4-5 PORT ALLOCATIONS 4-5-1 CPU (MAIN UNIT; IC9) Port Port Description Description number name number name BATT Input port for the low battely detection. Outputs S4 regulator control signals. Outputs the AF mute swtich control Outputs speaker select signal signal when the voice scrambler is SPSEL Low : The internal...

  • Page 12: Adjustment Procedures

    SECTION 5 ADJUSTMENT PROCEDURES 5-1 PREPARATION IC-M1V/M1EURO V can be adjusted by sending adjustment data to the RS-232C port via a PC. When you adjust the IC- M1V/M1EURO V, the optional CS-M1V ADJ (Rev. 1.0 or later), *OPC-973 ADJUSTMENT SOFTWARE CLONING AND ADJUSTMENT are required.

  • Page 13: Dc Power Cable Connection

    ADJUSTMENT SPFTWARE’S SCREEN DISPLAY EXAMPLE CS-M1V ADJ Rev.1.0 File Option COM 1: OPEN Connect Reload (F5) Disp para : Connect IC-M1V/M1EURO V [A / D] [D / A] with PC via an RS-232C serial cable FRQCON : 2 . 16V MKEY 4 . 30V...

  • Page 14: Pll And Transmitter Adjustments

    5-2 PLL AND TRANSMITTER ADJUSTMENTS Select an operation using [↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard. MEASUREMENT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION • Operating channel : ch 16 Use the adjustment program.

  • Page 15: Receiver Adjustment

    SENSITIVITY • Connect a standard signal generator to the antenna connector and set as: Frequency : 156.800 MHz Level : 3.2 µV* (–97 dBm) [IC-M1V] : 4.5 µV* (–94 dBm) [IC-M1EURO V] Modulation : 1 kHz Deviation : ±3.5 kHz •...

  • Page 16: Trimmer Adjustment

    5-4 TRIMMER ADJUSTMENT ADJUSTMENT MEASUREMENT POINT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT ADJUST 1 • Operating channel : ch 16 Connect the spec- High-harmonics com- SPURIOUS • [H/L] switch : High panel trum analyzer to the ponents are minimum ([M1EURO V] •...
  • Page 17 IC-M1EURO V RF UNIT TOP VIEW TX sprious adjustment ([IC-M1EURO V] only) 5 - 6...

  • Page 18: Parts List

    SECTION 6 PARTS LIST [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION 1110003490 S.IC TA31136FN (D,EL) 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) 1110002420 S.IC NJM2073M-T1 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) 1130007300 S.IC TC4W66FU (TE12L) 7030003580 S.RESISTOR ERJ3GEYJ 153 V (15 kΩ) 1110003780 S.IC NJM2902V-TE1 7030003800 S.RESISTOR...
  • Page 19 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION ERJ3GEYJ 100 V (10 Ω) R120 7030003200 S.RESISTOR 4030007090 S.CERAMIC C1608 CH 1H 470J-T-A R121 7030005320 S.RESISTOR RR0816P-103-D (10 kΩ) 4030007090 S.CERAMIC C1608 CH 1H 470J-T-A R122 7030006560 S.RESISTOR RR0816P-223-D (22 kΩ) 4030008650 S.CERAMIC C1608 JB 1H 332K-T-A R123...
  • Page 20 [RF UNIT] [RF UNIT] ORDER ORDER DESCRIPTION DESCRIPTION ERJ3GEYJ 681 V (680 Ω) 1720000670 S.VARICAP HVU17TRF 7030003420 S.RESISTOR 1790000620 S.DIODE MA77 (TX) 7030003660 S.RESISTOR ERJ3GEYJ 683 V (68 kΩ) ERJ3GEYJ 471 V (470 Ω) 1790001650 S.DIODE MA77 (TX) -AB 7030003400 S.RESISTOR 1720000370 S.VARICAP HVU350TRF 7030003630 S.RESISTOR...
  • Page 21 [RF UNIT] [RF UNIT] ORDER ORDER DESCRIPTION DESCRIPTION 4030011600 S.CERAMIC C1608 JB 1C 104KT-N C103 4030007130 S.CERAMIC C1608 CH 1H 101J-T-A 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A C104 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A 4030011600 S.CERAMIC C1608 JB 1C 104KT-N C105 4030009540 S.CERAMIC C1608 CH 1H 1R5B-T-A...

  • Page 22: Mechanical Parts And Disassembly

    2320 LCD holder 2510000930 SU-36W08040C 8210016430 2320 Reflector 8600036580 FX2320 P01CH [RF UNIT] 8210016481 2320 Front panel-1 [IC-M1V] 8210016681 2320 Front panel (A) -1 [ITA], [UK] ORDER QTY. DESCRIPTION 8210016691 2320 Front panel (B) -1 [EUR], [FRG] 8930050730 2320 Key board [IC-M1V]...
  • Page 23 MP19 (C) MP18 (C) MP27 (C) MP22 (C) NOTE 2 MP24 (C) Unit abbreviations: (C): CHASSIS MP25 (C) NOTE 2 MP26 (C) (M): MAIN UNIT J1 (C) MP13 (C) (R): RF UNIT MP11 (C) MP32 (C) MP14 (C) MP23 (C) MP21 (C) MP20 (C) NOTE 2...
  • Page 24 • AD-95 CHARGER PARTS LIST • AD-95 VOLTAGE DIAGRAM ELECTRICAL PARTS MECHANICAL PARTS [CHARGE UNIT] [CHASSIS] E: 13.35V E: 11.35V E: 10.35V E: 6.71V E: 6.53V F: 13.47V F: 12.10V F: 11.74V F: 8.76V F: 8.72V ORDER E: 8.08V ORDER DESCRIPTION QTY.

  • Page 25: Semi-Conductor Information

    SECTION SECTION 8 PARTS LIST SEMI-CONDUCTOR INFORMATION 8 - 1 TRANSISTORS AND FETS 8 - 2 DIODES NAME SYMBOL INSIDE VIEW NAME SYMBOL INSIDE VIEW NAME SYMBOL INSIDE VIEW DA204U 2SA1588 GR 2SK880 Y HSM88AS TR 2SA1162 GR orange 2SB1132 R BARB 3SK166 2 HVU17TRF...

  • Page 26: Board Layouts

    SECTION 9 BOARD LAYOUTS 9 - 1 CHARGE UNIT (AD-95) • TOP VIEW • BOTTOM VIEW BATV 9 - 1...

  • Page 27: Rf And Vr Units

    9 - 2 RF AND VR UNITS The combination of this page and the next page shows The combination of this page and the next page shows RF UNIT IC-M1V RF UNIT IC-M1EURO V the unit layout in the same configuration as the actual the unit layout in the same configuration as the actual P.C.
  • Page 28 P.C. Board. actual P.C. Board. RF UNIT IC-M1EURO V RF UNIT IC-M1V • BOTTOM VIEW • BOTTOM VIEW VR UNIT • BOTTOM VIEW RF UNIT SQLV...

  • Page 29: Main Unit

    9 - 3 MAIN UNIT The combination of this page and the next page shows the unit layout in the same configuration as the actual • TOP VIEW P.C. Board. SPEAKER...
  • Page 30 The combination of this page and the previous page • BOTTOM VIEW shows the unit layout in the same configuration as the actual P.C. Board. MICROPHONE AFOUT SPEAKER OPTIONAL UNIT RXOUT TXOUT — MICOUT OPST OPTIN — BTYPEI BP-215 RF UNIT J1 9 - 5...

  • Page 31: Block Diagram

    SECTION 10 BLOCK DIAGRAM 10 - 1...

  • Page 32: Voltage Diagram

    SECTION 11 VOLTAGE DIAGRAM 21 25MHz NTCCM16084LH TEMPS 2.6V (CH16 RX) CR-659 2.8V (CH16 TX) 470k 220p FRQCON 2SK880 4.3V 0.01 HVU17 100k 0.001 0.001 LVIN 0.001 16 SQLV 0.001 15 VOLOUT PD3140GS 1.5p 17 MIC 14 VOLIN VCC1 GND1 2SC4226 18 CLONE 8.2k...
  • Page 33 4.2V (TX) 0.001 28nH 28nH 36nH 0.15 10p [ IC-M1V ] 7.4V (RX) 6.9V (TX_HIGH) [ IC-M1EURO V ] 7.2V (TX_LOW) 3.5p [ IC-M1V ] 7.3V (TX_E—LOW) [ IC-M1EURO V ] 2SC4081 C79 0.5p 12p [ IC-M1V ] [ IC-M1EURO V ] only...
  • Page 34 NTCCM16084LH TEMPS 0.001 28nH 28nH 36nH 2.6V (CH16 RX) CR-659 470k 220p 2.8V (CH16 TX) FRQCON 0.15 2SK880 10p [IC-M1V] 4.3V 7.4V (RX) 6.9V (TX_HIGH) [IC-M1EURO V] 0.01 HVU17 7.2V (TX_LOW) 3.5p [IC-M1V] 100k 0.001 7.3V (TX_E—LOW) 2SC4081 [IC-M1EURO V] 0.001...

  • Page 35: Main Unit

    AFOUT AFOUT EXTSP EXTSP 2SB1132 SQLV VOLOUT VOLOUT NJM2073M VOLIN 2.9V 2ndLO CLONE PLST EXTSP 1.2k CDBCA450CX24 XP6501 2.2k 0.001 R132 1.5k TA31136FN OSCIN MIXIN UNLK OSCOUT MIXOUT N-REC 3.3k N-DET LVIN 0.047 0.047 0.047 0.047 0.047 IFIN RSSI RF UNIT J1 MICE SFPC450E SFPC450E...
  • Page 36 BEEP CLIN CLOUT 16CH ESDA R104 R105 R106 100k 100k 100k 0.047 0.047 R121 LIGHT R117 0.047 0.047 0.047 0.047 0.047 0.047 0.047 R122 R118 BTYPEI R123 R119 5.6k 5.6k BATT 0.01 R124 R120 SEG32 R103 PC3/AN11 P97/SEG40/CL1 SEG31 100k AVSS P96/SEG39/CL2 SEG30...
  • Page 37 BEEP AFOUT AFOUT CLIN EXTSP EXTSP CLOUT 16CH 2SB1132 SQLV VOLOUT VOLOUT ESDA NJM2073M R104 R105 R106 VOLIN 2.9V 100k 100k 100k 2ndLO CLONE PLST EXTSP 0.047 0.047 1.2k CDBCA450CX24 XP6501 2.2k 0.001 R132 R121 1.5k TA31136FN LIGHT OSCIN MIXIN UNLK R117 OSCOUT...
  • Page 38 Unit 9, Sea St., Herne Bay, Kent, CT6 8LD, U.K. Phone : +44 (01227) 741741 Fax : +44 (01227) 741742 : http://www.icomuk.co.uk Icom (Australia) Pty. Ltd. 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 39 S-13603MZ-CD-w © 1999 Icom Inc. 1-1-32, Kamiminami, Hirano-ku Osaka 547-0003, Japan...

This manual is also suitable for:

Ic-m1euro v

Table of Contents