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Icom IC-4008MKII service manual UHF FM Transceiver LPD FM Transceiver

Models: IC-4008MKII

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SERVICE MANUAL

UHF FM TRANSCEIVER

LPD FM TRANSCEIVER

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Icom IC-4008MKII service manual UHF FM Transceiver LPD FM Transceiver

Contents

UHF FM Transceiver LPD FM Transceiver Ordering Parts IntroductionRepair Notes Table of Contents ITA, ITA-1 CSA, CSA-1 Section Specifications Ctcss Frequency List Channel Frequency List Main Unit Inside ViewsRF Unit Removing the Rear Panel Disasembly InstructionsRemoving the Main Unit Removing the RF Unit Circuit Description Antenna Switching Circuit RF UnitReceiver Circuits RF Circuit RF Unit PLL Circuits RF Unit Transmitter Circuits Port Allocations Power Supply Circuits Voltage LineCPU Main unit IC1 Entering the Adjustment Mode Section Adjustment ProceduresPreparation Required Test Equipment Deviation Adjustment R206 C63R50 Test Order Description Section Parts List RF Board Coil Eljre 18NG-F C211 4030006860 Accessories Mechanical Parts and DisassemblyCabinet Parts Chassis Parts Unit abbreviation C Chassis PARTS, RF RF UNIT, M Main Unit Transistor and FET’S SEMI-CONDUCTOR InformationDiodes Main Unit Board LayoutsTOP View IC-4008A Bottom View IC-4008A R58 C55 C17 R23 C18 C52 PSC Batt MOD VOL GND TOP View RF Unit Bottom View FI3 IC1 Block Diagram DTA144EU Voltage Diagram RF Unit 16, Kamihigashi, Hirano-ku, Osaka 547-0002, Japan 16, Kamihigashi, Hirano-ku, Osaka, 547-0002, Japan