Icom IC-4008MKII guide

MP8 (C)

MP9 (C)

MP25 (C)

MP20 (C)

MP7 (C)

DS2 (M)

MP10 (C)

EP1 (M)

MP1 (C)

MP11 (C)

MP23 (C)

MP14 (C)

MP1 (RF)

MP25 (C)	RF unit

MAIN unit

EP1 (C)

MP22 (C)

MP24 (C)

MP30 (C)

MP3 (C)

MP13 (C)

MP24 (C)

MP2 (C)

MP4 (C)

SP1 (C)

MP5 (C)

MP12 (C)

UNIT abbreviation (C): CHASSIS PARTS, (RF): RF UNIT, (M): MAIN UNIT

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Image 19

Icom IC-4008MKII service manual Unit abbreviation C Chassis PARTS, RF RF UNIT, M Main Unit

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 RF Unit Disasembly InstructionsRemoving the Rear Panel Removing the Main Unit RF Circuit RF Unit Antenna Switching Circuit RF UnitCircuit Description Receiver Circuits PLL Circuits RF Unit Transmitter Circuits Port Allocations Power Supply Circuits Voltage LineCPU Main unit IC1 Required Test Equipment Section Adjustment ProceduresEntering the Adjustment Mode Preparation Deviation Adjustment Test C63R206 R50 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