Driver Board TOP View VARISTOR-1 Board | Icom IC-F7000 instruction

9-3-5 DRIVER BOARD

• TOP VIEW

9-3-6 VARISTOR-1 BOARD

VARI

VARO

GND

to PA unit J6411

9 - 13

Image 66

Icom IC-F7000 service manual Driver Board TOP View VARISTOR-1 Board

Contents

Service Manual AUS IntroductionOrdering Parts Repair Notes OTH Table of Contents Specifications RC-26 Remote Controller ‘ General SP-25 External Speaker ‘ General Unit mm inch 37 1 15 Section Inside Views RC-26 IC-F7000 TOP View IC-F7000 Bottom View About External Reference Signal Input ‘ in Case of Using External Reference Signal ‘ in Case of Using Internal Reference Signal ‘ Connection Circuit Description Receiver CircuitsDSP Unit DSP Circuit DSP Receiver Circuit Main and DSP UnitsAGC Circuit DSP and Main Units AF Amplifier Circuit DSP and Main Units Transmitter Circuits RF Circuit MAIN, PA, PLL Units and DRI VER BoardRF Filter Circuit PLL Circuits LCD Circuit Display and Connect Boards Reset Circuit Display Board3 2ND LO and Reference Oscillator Circuits PLL Unit Microphone Circuit Display Board Display Board RC-26 Voltage Line Power Supply CircuitsPA Unit Voltage Line PLL Unit Voltage Line Port Allocations Output Expander IC for the PLL Strobe Main Unit IC3601Output Expander IC for the PLL Unit Main Unit IC3602 Output Expander IC for Bandpass FIL- Ters Main Unit IC3604 Output Expander IC Main Unit IC36036 D/A Converter IC Main Unit IC3606 Front CPU Port Allocations RC-26, Display Board IC8201 Required Test Equipment Adjustment ProceduresPreparation Connection Entering the Adjustment Mode Operating on the Adjustment Mode PLL PLL Unit AdjustmentLPL Lock Voltage PLL Unit TOP View PA and Filter Units Adjustment PA Unit TOP View PLL Unit Bottom View Receiver Adjustments L209 Presetting Main Unit TOP ViewRC-26 Front Panel Transmitter Adjustments IC-APC VOL Dial Section Parts List Main Unit Main Board Resistor ERJ3GE JPW Resistor ERJ12YJ0R00U R3332 7030003640 ECEV1CA471P Tantalum ECST1AY335R PLL Unit ADM202EARN Resistor ERA3YEB Mylar PA Unit DSP Unit DSP Board Driver Board VARISTOR-1 BoardVARISTOR-2 Board Front Unit Display Board Connect Board Rear Board HM-146 Main Unit Chassis Parts Mechanical Parts and DisassemblyFront Parts MIC Unit Accessries Accessories Front PartsConnect Board DS DSP Board Chassis PartsMIC Unit DR Driver Board SEMI-CONDUCTOR Information Transistor and FET’SDiodes Connect Board TOP View Board LayoutsTOP View Rear Board TOP View Bottom View MIC Unit Bottom View Connect Board Bottom View Rear Board Display Board TOP View Bottom View Display Board DSP Board TOP View Bottom View DSP Board J9901 J9902 J2051 Bottom View Main Unit PA Unit Bottom View PA Unit PLL Unit Bottom View PLL Unit Driver Board TOP View VARISTOR-1 Board Bottom View Driver Board Section Block Diagram Voltage Line TX Line RX Line Common Line Wiring Diagram IC-F7000 Voltage Diagrams 12-1 RC-26 and HM-146 Main Unit Explanatory notes Main PA Unit PLL Unit JPW-ERJ3GE DSP Board