Icom IC-GM1600E Manuel d'utilisateur

SERVICEMANUALSURVIVAL CRAFT 2-WAY RADIO

LoopfilterBufferQ61BufferQ3BufferQ62BufferQ71to transmitter circuitto 1st mixer circuitD91D9258Q51, D35–D39TX VCOQ41, D31–D34RX VCOIC1 MB15A02PFV

4 - 44-5 PORT ALLOCATIONS4-5-1 CPU (IC661)LINE DESCRIPTIONVCCThe voltage from the connected DC power supply passed through the [VOL] switch (R1: VR B

EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGERF power meter(terminated type)Measuring range : 0.1–3 WFrequency range : 100–300 MHzImpe

FMdeviation meterSINAD meterSpeaker (8 Ω)Audio generatorAC millivoltmeterto the antenna connectorAttenuator20 dB / 30 dBRF power meter0.1–3 W/50 ΩFreq

NOTE: The above screen is an example. Each transceiver has its own specific values for each setting.q: Adjustment conditionw: Reference fr

ADJUSTMENT ADJUSTMENT CONDITIONMEASUREMENTVALUEUNIT OPERATIONPLL LOCKVOLTAGE1 • Operating CH. : 16• ReceivingPCscreenCheck the LVIN Data cell's v

ADJUSTMENT ADJUSTMENT CONDITIONMEASUREMENTVALUEUNIT OPERATIONOUTPUT POWER[RF Power (High)]1 • Operating CH. : 16 • RF power : High• Trans

5-2 SOFTWARE ADJUSTMENT (RECEIVING)Select the adjustment item with [↑] / [↓] keys, then set the value with [←] / [→] keys on the connected PC. ADJUSTM

6 - 1SECTION 6 PARTS LISTM.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side)[MAIN UNIT] REF ORDER DESCRIPTION M. H/V NO. NO

S.=Surface mount6 - 2M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side)[MAIN UNIT] REF ORDER DESCRIPTION M. H/V NO. NO.

INTRODUCTIONREPAIR NOTESThis service manual describes the latest service information for the IC-GM1600/E VHF MARINE TRANSCEIVER at the time of publi

S.=Surface mount6 - 3M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side)[MAIN UNIT] REF ORDER DESCRIPTION M. H/V NO. NO.

S.=Surface mount6 - 4M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side)[MAIN UNIT] REF ORDER DESCRIPTION M. H/V NO. NO.

6 - 5M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side)[MAIN UNIT] REF ORDER DESCRIPTION M. H/V NO. NO. LOCATIONC522 40

SECTION 7 MECHANICAL PARTS AND DISASSEMBLY7 - 17-1 CABINET PARTS[MAIN UNIT][CHASSIS PARTS]REF. ORDER. NO. DESCRIPTION QTY.DS681 5030002790 LCD A028

7 - 2UNIT abbreviation (C): CHASSIS PARTS, (M): MAIN UNIT, (MI): MIC, (A): ACCESSORIESEP1 (A)MP80 (C)MP69 (C)MP8 (C)MP71 (C)MP71 (C)MP1 (C)MP22 (C)MP2

SECTION 8 SEMICONDUCTOR INFORMATION8 - 1• TRANSISTORS AND FET’s2SA1588 GR(Symbol: ZG)RD01MUS1(Symbol: K2)2SB1132 Q(Symbol: BAQ)BECBCE2SC4116 BL(Sym

R692R583R654R653R584C602C603R659R658R657R656R602R601R604C605C606R606C604R603R605C601C641S100S103S105X601D601DS654DS659DS657S101DS653S102S104DS658R612C

C282C662R152C155R151C154R153R154C158C162R156R553R551R467R461C700C699C688R695C466C231R223C270C268R274R270C266C473C463C462C696R709R463R697C481C689C465C6

9-2 VR BOARD• TOP VIEW9 - 3DS1R3J1R1R2MP2MP1B5787B35 30 25 20 15 10 5 0Horizonal65 60 55 50 45 4020151050VerticalJ1to the AC adapter AC-147A/EHVGNDGND

9 - 4EP452C700J415EP451B6192BEP458DS655R714R713Q655C702C703EP454SPGSPGAFOUTAFOUTGNDGND17148GNDGNDGNDEXDETEXTMICTLEDRLEDJ415to the MAIN unit J414 15105

TABLE OF CONTENTSSECTION 1 SPECIFICATIONSSECTION 2 INSIDE VIEWSSECTION 3 DISASSEMBLY INSTRUCTIONSSECTION 4 CIRCUIT DESCRIPITON 4-1 RECEIVER CIRC

SECTION 10 BLOCK DIAGRAM10 - 1PLLICFILLOOPBUFF BUFFBUFFBUFFIFAMPRFAMPDRIVEPREPWRAMPAPCCTRLTX/RXSWANTSWBPFBPFBPFLPFANTENNACR-747D/ALCDDRIVERBATTLI

SECTION 11 VOLTAGE DIAGRAM11-1 MAIN UNITBATTYCDECVBTYPEBEEPOWDECVAF7VCPU5VCKSISEDS5VS5VMODINDETMSCTFISR5VDETABCSRXMSFC2720.47IC281TC4W66FU1234567

11 - 2BATTYCDECVBTYPEBEEPOWDECVAF7VCPU5VCKSISFDS5VS5VMODINDETMSCTFISR5VDETSRXMSCBAEL13232 nHL13130 nHL12350 nHL7233 nHL15150 nHL15456 nHL15556 nHL1665

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S-141221Z-C1-q© 2005 Icom Inc.

1 - 1 SECTION 1 SPECIFICATIONSIC-GM1600 IC-GM1600/E[USA] [GEN], [EUR], [UK]GENERAL• Frequency coverageTX156.025–157.425 MHz [ON-BOARD] 156.000–161.

• International channelsCHFrequency (MHz)CHFrequency (MHz)CHFrequency (MHz)CHFrequency (MHz)CHFrequency (MHz)CHFrequency (MHz)Transmit Receive Transmi

SECTION 2 INSIDE VIEWS• MAIN UNIT2 - 1T5V Regulator(Q323: 2SA1588)IF amplifier(Q211: 2SC4215)TOP VIEW BOTTOM VIEWTX/RX swith(D91, D92: MA77) R5 Regul

SECTION 3 DISASSEMBLY INSTRUCTIONS3 - 1HChassis unitKGFront panelFILLLMChassis unitMain unitCRear panelABFront panelDEFMain seal• REMOVING THE CHAS

4 - 1SECTION 4 CIRCUIT DESCRIPTIONMixer16LimiterAMP450 kHz 2nd IF filters30.6 MHz 2nd LO signalIC231 TA31136FN1st IF signal from the IF amplifier

4 - 2PowerAMPAPCAMP+–341To ANTTDETVVCCT1CONRF signalsfrom TX/RX SWT5VD121Pre-driveBufferAMPANTSWLPFLPFQ91IC141Q101Q111D132• APC CIRCUIT4-1-6 SQUELCH C