Icom IC-F7000 service manual Section Inside Views, RC-26

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SECTION 2	INSIDE VIEWS
• RC-26

CPU

(IC8201: HD64F2134AF20)

+8V regulator (IC8310: TA78L08F)

+10V regulator (IC8301: AN8009M)

Dimmer controller (IC8280: TS522ID)

DISPLAY BOARD

• HM-146 (MIC UNIT)

DTMF generator (IC1: LC7366NM)

Reset IC

(IC8202: S-80942CNMC-G9C)

+5V regulator (IC8290: TA7805F)

CONNECT BOARD

Microphone*

(MC1: KUB2823-011500)

*Located under side of the point

2 - 1

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Contents Service Manual Introduction Ordering Parts Repair NotesAUS OTHTable of Contents Specifications RC-26 Remote Controller ‘ General SP-25 External Speaker ‘ GeneralUnit mm inch 37 1 15 Section Inside Views RC-26IC-F7000 TOP View IC-F7000 Bottom ViewAbout External Reference Signal Input ‘ in Case of Using External Reference Signal‘ in Case of Using Internal Reference Signal ‘ ConnectionDSP Unit Circuit DescriptionReceiver Circuits DSP Receiver Circuit Main and DSP Units AGC Circuit DSP and Main UnitsDSP Circuit AF Amplifier Circuit DSP and Main UnitsTransmitter Circuits RF Filter Circuit RF Circuit MAIN, PA, PLL Units and DRIVER Board PLL Circuits Reset Circuit Display Board 3 2ND LO and Reference Oscillator Circuits PLL UnitLCD Circuit Display and Connect Boards Microphone Circuit Display BoardPower Supply Circuits PA Unit Voltage LineDisplay Board RC-26 Voltage Line PLL Unit Voltage LineOutput Expander IC for the PLL Unit Main Unit IC3602 Port AllocationsOutput Expander IC for the PLL Strobe Main Unit IC3601 6 D/A Converter IC Main Unit IC3606 Output Expander IC for Bandpass FIL- Ters Main Unit IC3604Output Expander IC Main Unit IC3603 Front CPU Port Allocations RC-26, Display Board IC8201 Adjustment Procedures PreparationRequired Test Equipment ConnectionEntering the Adjustment Mode Operating on the Adjustment ModePLL Unit Adjustment LPL LockPLL VoltagePLL Unit TOP View PA and Filter Units Adjustment PA Unit TOP View PLL Unit Bottom ViewReceiver Adjustments RC-26 Front Panel L209 PresettingMain Unit TOP View Transmitter Adjustments IC-APC VOL DialSection Parts List Main UnitMain Board Resistor ERJ3GE JPW Resistor ERJ12YJ0R00U R3332 7030003640 ECEV1CA471P Tantalum ECST1AY335R PLL Unit ADM202EARNResistor ERA3YEB Mylar PA Unit DSP Unit DSP Board VARISTOR-2 Board Driver BoardVARISTOR-1 Board Front Unit Display BoardConnect Board Rear BoardHM-146 Main Unit Mechanical Parts and Disassembly Front PartsChassis Parts MIC UnitAccessries Connect Board AccessoriesFront Parts Chassis Parts MIC UnitDS DSP Board DR Driver BoardDiodes SEMI-CONDUCTOR InformationTransistor and FET’S Board Layouts TOP ViewConnect Board TOP View Rear Board TOP ViewBottom View MIC Unit Bottom View Connect Board Bottom View Rear BoardDisplay Board TOP View Bottom View Display Board DSP Board TOP View Bottom View DSP Board J9901 J9902J2051 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 LineWiring Diagram IC-F7000Voltage Diagrams 12-1 RC-26 and HM-146Main Unit Explanatory notes Main PA Unit PLL Unit JPW-ERJ3GE DSP Board