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Icom IC-GM1600 manual

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Table of contents for the manual

  • Page 1

    SER VICE MANU AL SUR VIV AL CRAFT 2-W A Y RADIO[...]

  • Page 2

    INTRODUCTION REP AIR NO TES This ser vice manual describes the latest ser vice information f or the IC-GM1600/E VHF MARINE TRANSCEIVER at the time of publication. D ANGER NEVER connect the transceiv er to an A C outlet or to a DC power supply that uses more than 7.5 V . Such a connection could cause a fire or electric hazard. DO NO T re v erse the [...]

  • Page 3

    T ABLE OF CONTENTS SECTION 1 SPECIFICA TIONS SECTION 2 INSIDE VIEWS SECTION 3 DISASSEMBL Y INSTRUCTIONS SECTION 4 CIRCUIT DESCRIPIT ON 4-1 RECEIVER CIRCUITS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 4-2 TRANSMITER CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 4

    1 - 1 SECTION 1 SPECIFICA TIONS IC-GM1600 IC-GM1600/E [USA] [GEN], [EUR], [UK] GENERAL • F requency co ver age TX 156.025–157.425 MHz [ON-BOARD] 156.000–161.450 MHz [ON-BOARD] RX 156.050–163.275 MHz [ON-BOARD] 156.000–163.425 MHz [ON-BOARD] TX/RX 156.300–156.875 MHz [SUR VIV AL] • Number of programab le channels 100 channels • T ype[...]

  • Page 5

    • Int er na ti ona l c han ne ls CH F reque ncy (MH z) CH F reque ncy (MH z) CH F reque ncy (MH z) CH F reque ncy (MH z) CH F requen cy (MH z) CH F requen cy (MH z) T ra nsm it Re cei v e T ra nsm it Re cei v e T ra nsm it Re cei v e T ra nsm it Re cei v e T ra nsm it Re cei v e T ra nsm it Re cei v e 01 156 .05 0 160 .650 1 1 156 .55 0 156 .55 0[...]

  • Page 6

    SECTION 2 INSIDE VIEWS • MAIN UNIT 2 - 1 T5V Regulator (Q323: 2SA1588) IF amplifier (Q211: 2SC4215) T OP VIEW BO TT OM VIEW TX/RX swith (D91, D92: MA77) R5 Regulator (Q322: 2SA1588) S5V Regulator (Q561: 2SA1588) P ow er amplifier (*Q111: RD07MVS1) Pre-drive (*Q101: RD01MUS1) CPU IC661: PD78F0338 GC-9EB VCO circuits EEPROM (IC591: BR24L32FV -W) Re[...]

  • Page 7

    SECTION 3 DISASSEMBL Y INSTR UCTIONS 3 - 1 H Chassis unit K G F ront panel F I L L L M Chassis unit Main unit C Rear panel A B F ront panel D E F Main seal • REMO VING THE CHASSIS UNIT 1 Unscrew 1 nut G . 2 Unscrew 2 screws H . 3 T ake off the chassis unit in the direction of the arrow . 4 Unplug the connector I and the cable J from the chassis u[...]

  • Page 8

    4 - 1 SECTION 4 CIRCUIT DESCRIPTION Mixer 16 Limiter AMP 450 kHz 2nd IF filters 30.6 MHz 2nd LO signal IC231 T A31136FN 1st IF signal from the IF amplifier (Q211) 11 10 9 87 5 AF "DET" signal to the AF circuits "SQCON" signal from the D/A conv erter (IC251) 15.3 MHz Q221 2 2 1 Active filter Noise detector FM detector 14 "NO[...]

  • Page 9

    4 - 2 Po w e r AMP APC AMP + – 3 4 1 T o ANT TDETV VCC T1CON RF signals from TX/RX SW T5V D121 Pre- drive Buffer AMP ANT SW LPF LPF Q91 IC141 Q101 Q111 D132 • APC CIRCUIT 4-1-6 SQUELCH CIRCUIT Squelch circuit mutes AF output signal when no signals are received. A por tion of the AF signals from the FM IF IC (IC231, pin 9) are applied to the IC2[...]

  • Page 10

    Loop filter Buffer Q61 Buffer Q3 Buffer Q62 Buffer Q71 to transmitter circuit to 1st mixer circuit D91 D92 5 8 Q51, D35–D39 TX VCO Q41, D31–D34 RX VCO IC1 MB15A02PFV ×2 30.6 MHz 2nd LO signal to the FM IF IC (IC231, pin 2) Q221 Shift register Prescaler Phase detector Charge pump Programmab le divider SCLK PLSTBO 1 2 9 10 11 S D ATA O "LOI[...]

  • Page 11

    4 - 4 4-5 PORT ALLOCA TIONS 4-5-1 CPU (IC661) LINE DESCRIPTION VCC The voltage from the connected DC po wer supply p assed through the [V OL] s witch (R1: VR BOARD). CPU5V 5V f or the CPU (IC661) conv erted from the VCC line at the CPU5V regulator circuit (IC551). M5V Common 5V line conv erted from the VCC line at the M5V regulator circuit (Q551–[...]

  • Page 12

    EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE RF power meter (terminated type) Measuring range : 0.1–3 W F requency range : 100–300 MHz Impedance : 50 Ω SWR : Less than 1.2 : 1 Standard signal generator (SSG) F requency range : 0.1–300 MHz Output le vel : 0.1 µ V to 32 mV (–127 to –17 dBm) F requency counter F requency range : 0.[...]

  • Page 13

    FM de viation meter SINAD meter Speaker (8 Ω ) A udio generator A C millivoltmeter to the antenna connector Attenuator 20 dB / 30 dB RF power meter 0.1–3 W/50 Ω F requency counter Standard signal generator 0.1 µV to 32 mV (–127 dBm to –17 dBm) DO NO T transmit while an SSG is connected to the antenna connector . T o CLONE line (BLACK) T [...]

  • Page 14

    NO TE : The abov e screen is an e xample. Each transceiv er has its own specific v alues for each setting. q : Adjustment condition w : Reference frequency e : RF output power r : FM deviation (Wide) t : Receive sensitivity (A utomaticaly) y : Receive sensitivity (Manualy) u : Squelch lev el i : S-meter o : VOX q w e i o r t u y I/O check b utton ?[...]

  • Page 15

    ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT VA L U E UNIT OPERA TION PLL LOCK VO L T AG E 1 • Oper ating CH. : 16 • Receiving PC screen Check the L VIN Data cell's value in the I/O chec k window . Click the "I/O chec k b utton" on the CS-M90/GM1600 ADJ's screen (see page 5-3) to open the I/O check window as belo w . 1.5–3.[...]

  • Page 16

    ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT VA L U E UNIT OPERA TION OUTPUT PO WER [RF P ower (High)] 1 • Operating CH. : 16 • RF power : High • T ransmitting T op panel Connect the RF power meter to the antenna connector . 2.0 W [RF P ower (Low)] 2 • Operating CH. : 16 • RF power : Low • T ransmitting 0.75 W FM DEVIA TION [MOD (Wide)] [...]

  • Page 17

    5-2 SOFTW ARE ADJUSTMENT (RECEIVING) Select the adjustment item with [ ↑ ] / [ ↓ ] ke ys, then set the v alue with [ ← ] / [ → ] k eys on the connected PC . ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT V ALUE UNIT OPERA TION RECEIVE SENSITIVITY [BPF T1] [BPF T2] [BPF T3] [BPF T4] 1 • Operating CH. : 16 • Connect the standard signal gener[...]

  • Page 18

    6 - 1 SECTION 6 P ARTS LIST M.=Mounted side (T: Mounted on the T op side, B: Mounted on the Bottom side) [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION IC1 1140005990 S.IC MB15A02PFV1-G-BND-ER B 55.7/12.1 IC141 1110002750 S.IC T A75S01F (TE85R) T 107.2/24.2 IC231 1110003201 [...]

  • Page 19

    S.=Surf ace mount 6 - 2 M.=Mounted side (T: Mounted on the T op side, B: Mounted on the Bottom side) [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION R21 7030005050 S.RES ERJ2GEJ 103 X (10 k Ω ) B 49.7/7.2 R22 7030005210 S.RES ERJ2GEJ 822 X (8.2 k Ω ) B 45.8/4.5 R31 703000[...]

  • Page 20

    S.=Surf ace mount 6 - 3 M.=Mounted side (T: Mounted on the T op side, B: Mounted on the Bottom side) [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION R431 7030005600 S.RES ERJ2GEJ 273 X (27 k Ω ) T 106.1/27.6 R432 7030005160 S.RES ERJ2GEJ 105 X (1 M Ω ) T 107.6/27.1 R433 7[...]

  • Page 21

    S.=Surf ace mount 6 - 4 M.=Mounted side (T: Mounted on the T op side, B: Mounted on the Bottom side) [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION C91 4030007000 S.CER C1608 CH 1H 090D-T T 78.9/21.2 C92 4030017460 S.CER ECJ0EB1E102K T 83/16.2 C96 4030017460 S.CER ECJ0EB1E10[...]

  • Page 22

    6 - 5 M.=Mounted side (T: Mounted on the T op side, B: Mounted on the Bottom side) [MAIN UNIT] REF ORDER DESCRIPTION M. H/V N O. N O. LOCA TION C522 4030016970 S.CER ECJ0EB1C223K B 48.2/30 C531 4030016950 S.CER ECJ0EB1A473K B 35.2/15.5 C532 4030016940 S.CER ECJ0EB1A393K B 37.8/18.6 C533 4030016930 S.CER ECJ0EB1A104K B 37.3/20.9 C534 4030017740 S.CE[...]

  • Page 23

    SECTION 7 MECHANICAL P ARTS AND DISASSEMBL Y 7 - 1 7-1 CABINET P ARTS [MAIN UNIT] [CHASSIS P ARTS] REF . ORDER. NO. DESCRIPTION QTY . DS681 5030002790 LCD A0286 1 EP681 8930064210 LCD contact SRCN-2795-SP-N-W 1 MP681 8930063850 2795 LCD holder 1 REF . ORDER. NO. DESCRIPTION QTY . J41 6910016650 2600 ANT connector 1 SP1 2510001092 Speaker 036D0801B [...]

  • Page 24

    7 - 2 UNIT abbreviation ( C ) : CHASSIS P ARTS , ( M ) : MAIN UNIT , ( MI ) : MIC, ( A ) : ACCESSORIES EP1 ( A ) MP80 ( C ) MP69 ( C ) MP8 ( C ) MP71 ( C ) MP71 ( C ) MP1 ( C ) MP22 ( C ) MP21 ( C ) MP73 ( C ) MP31 ( C ) MP33 ( C ) MP35 ( C ) MP52 ( C ) MP51 ( C ) MP18 ( C ) MP32 ( C ) J416 ( MI ) VR BO ARD SP1 ( C ) W470 ( MI ) MP10 ( C ) MP47 ( C[...]

  • Page 25

    SECTION 8 SEMICONDUCT OR INFORMA TION 8 - 1 • TRANSIST ORS AND FET’ s 2SA1588 GR (Symbol: ZG) RD01MUS1 (Symbol: K2) 2SB1132 Q (Symbol: BA Q) B E C B C E 2SC4116 BL (Symbol: LL) E C B 2SC5110 O (Symbol: MGO) E C B 2SC4116 GR (Symbol: LG) E C B G SS D 2SC4215 Y (Symbol: QY) E C B 2SC4213 B (Symbol: AB) E C B 2SC4215 O (Symbol: QO) E C B E C B 2SC[...]

  • Page 26

    R692 R583 R654 R653 R584 C602 C603 R659 R658 R657 R656 R602 R601 R604 C605 C606 R606 C604 R603 R605 C601 C641 S100 S103 S105 X601 D601 DS654 DS659 DS657 S101 DS653 S102 S104 DS658 R612 C611 C281 R283 R399 R269 R276 C612 R275 R281 C234 R233 C235 C236 R238 R611 R282 R297 C302 C301 R307 R293 R306 R292 C293 R291 R284 C292 R234 R236 R237 R243 R235 C233 [...]

  • Page 27

    C282 C662 R152 C155 R151 C154 R153 R154 C158 C162 R156 R553 R551 R467 R461 C700 C699 C688 R695 C466 C231 R223 C270 C268 R274 R270 C266 C473 C463 C462 C696 R709 R463 R697 C481 C689 C465 C695 R707 R705 R481 R691 R690 R521 C502 R491 R696 R700 C691 R701 C387 R385 C397 C381 R490 R502 R512 R381 R382 R513 C511 R511 C642 R531 C532 R534 R533 R532 R694 R717 [...]

  • Page 28

    9-2 VR BO ARD • T OP VIEW 9 - 3 DS1 R3 J1 R1 R2 MP2 MP1 B5787B 35 30 25 20 15 10 5 0 Horizonal 65 60 55 50 45 40 20 15 10 5 0 V er tical J1 to the A C adapter A C-147A/E HV GND GND 9-3 MIC BO ARD • T OP VIEW 9-4 BC-158 • T OP VIEW R801 0 5 10 V er tical 15 10 5 0 Horizontal J416 0 5 10 V er tical 15 10 5 0 Horizontal 15[...]

  • Page 29

    9 - 4 EP452 C700 J415 EP451 B6192B EP458 DS655 R714 R713 Q655 C702 C703 EP454 SPG SPG AFOUT AFOUT GND GND 1 7 14 8 GND GND GND EXDET EXTMIC TLED RLED J415 to the MAIN unit J414 15 10 5 0 V er tical 15 10 5 0 Horizontal • BO TT OM VIEW B6191C F1 0 5 10 V er tical 15 10 5 0 Horizontal • BO TT OM VIEW 35 30 25 20 15 10 5 0 Horizonal 65 60 55 50 45[...]

  • Page 30

    SECTION 10 BLOCK DIA GRAM 10 - 1 PLL IC FIL LOOP BUFF BUFF BUFF BUFF IF AMP RF AMP DRIVE PRE PWR AMP APC CTRL TX/RX SW ANT SW BPF BPF BPF LPF ANTENNA CR-747 D/A LCD DRIVER BA TT LIMIT AMP AF MUTE LPF PWR AMP PWR CTRL POWER SW AF MUTE AF MUTE BPF VCO SW FM MOD BUFF LPF X2 BPF CERAMIC BPF CERAMIC AF MUTE FIL RIPPLE LPF BPF BPF AF MUTE AF MUTE DRIVER [...]

  • Page 31

    SECTION 11 V OL T A GE DIA GRAM 11-1 MAIN UNIT BA TTY CDECV BTYPE BEEPO WDECV AF7V CPU5V CKSIS E D S5V S5V MODIN DETMS CTFIS R5V DET A B C SRXMS F C272 0.47 IC281 TC4W66FU 1 2 3 45 6 7 8 IC282 TC4W53FU 1 2 3 4 5 6 7 8 Q291 XP4601 1 2 3 4 5 6 C261 0.015 C262 0.033 C263 0.047 C265 0.001 C267 0.0047 C268 0.047 C281 0.01 C293 0.033 C294 0.0018 C301 0.0[...]

  • Page 32

    11 - 2 BA TTY CDECV BTYPE BEEPO WDECV AF7V CPU5V CKSIS F D S5V S5V MODIN DETMS CTFIS R5V DET SRXMS C B A E L132 32 nH L131 30 nH L123 50 nH L72 33 nH L151 50 nH L154 56 nH L155 56 nH L166 56 nH L181 56 nH C16 4.7 C17 1.5 C37 1.5 P C42 47 P C43 12 P C46 0.75 P C47 10 C48 10 C51 0.75 P C53 22 P C54 18 P C57 0.5 P C62 7 P C65 18 P C74 56 P C75 56 P C8[...]

  • Page 33

    6F No.68, Sec. 1 Cheng-T eh Road, T aipei, T aiwan, R.O .C. Phone : +886 (02) 2559 1899 Fax : +886 (02) 2559 1874 URL : http://www .asia-icom.com E-mail : sales@asia-icom.com Zac de la Plaine, 1, Rue Brindejonc des Moulinais BP 5804, 31505 T oulouse Cedex, F rance Phone : +33 (5) 61 36 03 03 F ax : +33 (5) 61 36 03 00 URL : http://www .icom-france.[...]

  • Page 34

    S-141221Z-C1- q © 2005 Icom Inc.[...]