Icom IC-F7000 service manual Bottom View Display Board

Page 57

• BOTTOM VIEW (DISPLAY BOARD)

2

10

J8702

AFIN AFIN

H13V

GND

AFO

to REAR

GND

GND AFO AFIN H13V

board J8802

to CONNECT board J8920

1

9

2

10

2

20

J8202

NC NC FZTX FZ5V

J8205

GND

to IC-F7000 MAIN unit J2051

5V

GND RES RS RD GND DB1 DB3 DB5 DB7

9

1

GND

GND

FZMD

FZRS

FZRX

J8201

H13V FAFG

FMODG

FMOD

9V GND

CL1 CS WR GND DB0 DB2 DB4 DB6

GND

RXD

TXD

FAF GND

1

9

1

19

	20	1	8	5
	21	80

	1	4
8	5

40		61
41	60	1	4

7

1

8

14

9 - 4

Image 57

Contents Service Manual Ordering Parts Repair Notes IntroductionAUS OTHTable of Contents Specifications SP-25 External Speaker ‘ General RC-26 Remote Controller ‘ GeneralUnit mm inch 37 1 15 RC-26 Section Inside ViewsIC-F7000 Bottom View IC-F7000 TOP View‘ in Case of Using External Reference Signal About External Reference Signal Input‘ Connection ‘ in Case of Using Internal Reference SignalCircuit Description Receiver CircuitsDSP Unit AGC Circuit DSP and Main Units DSP Receiver Circuit Main and DSP UnitsDSP Circuit AF Amplifier Circuit DSP and Main UnitsTransmitter Circuits RF Circuit MAIN, PA, PLL Units and DRI VER BoardRF Filter Circuit PLL Circuits 3 2ND LO and Reference Oscillator Circuits PLL Unit Reset Circuit Display BoardLCD Circuit Display and Connect Boards Microphone Circuit Display BoardPA Unit Voltage Line Power Supply CircuitsDisplay Board RC-26 Voltage Line PLL Unit Voltage LinePort 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 Preparation Adjustment ProceduresRequired Test Equipment ConnectionOperating on the Adjustment Mode Entering the Adjustment ModeLPL Lock PLL Unit AdjustmentPLL VoltagePLL Unit TOP View PA and Filter Units Adjustment PLL Unit Bottom View PA Unit TOP ViewReceiver Adjustments L209 Presetting Main Unit TOP ViewRC-26 Front Panel Transmitter Adjustments VOL Dial IC-APCMain Unit Section Parts ListMain Board Resistor ERJ3GE JPW Resistor ERJ12YJ0R00U R3332 7030003640 ECEV1CA471P Tantalum ECST1AY335R ADM202EARN PLL UnitResistor ERA3YEB Mylar PA Unit DSP Unit DSP Board Driver Board VARISTOR-1 BoardVARISTOR-2 Board Display Board Front UnitRear Board Connect BoardHM-146 Main Unit Front Parts Mechanical Parts and DisassemblyChassis Parts MIC UnitAccessries Accessories Front PartsConnect Board MIC Unit Chassis PartsDS DSP Board DR Driver BoardSEMI-CONDUCTOR Information Transistor and FET’SDiodes TOP View Board LayoutsConnect Board TOP View Rear Board TOP ViewBottom View Rear Board Bottom View MIC Unit Bottom View Connect BoardDisplay Board TOP View Bottom View Display Board DSP Board TOP View J9901 J9902 Bottom View DSP BoardJ2051 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 Voltage Line TX Line RX Line Common Line Section Block DiagramIC-F7000 Wiring Diagram12-1 RC-26 and HM-146 Voltage DiagramsMain Unit Explanatory notes Main PA Unit PLL Unit JPW-ERJ3GE DSP Board