Icom IC-F7000 service manual J2051

Page 60

9-3-2 MAIN UNIT

• TOP VIEW

 

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

J1901

PON

HV

S13V

S13V

S13V

KEYS

TULK

TUM2

TURS

TUM3

GND

GND

GND

GND

THRM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HV

FANC

S13V

S13V

S13V

STAT

TUM4

TUM1

TSCS

ICV

GND

GND

GND

GND

T8V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

29

 

 

 

 

 

 

to PA unit J6701

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MRX

W7321

from PLL unit J7321

 

from/to PA unit J6702

W4520

YGR

J5601

 

unit

 

J1102

 

 

 

22

GND

DSPO2

21

 

GND

GND

 

 

 

DSPO1

GND

 

 

 

GND

GND

 

 

 

AGC2

AGC1

 

 

 

GND

GND

 

 

 

8V

8V

 

 

 

GND

GND

 

 

 

GND

DSPI2

 

 

 

GND

GND

1

2

DSPI1

GND

to DSP board J9901

3

4

1

6

8

5

10

 

18

1

4

 

 

 

5

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

1

 

 

 

 

 

1

9

 

 

 

1

8

 

 

 

 

 

 

 

 

 

 

 

5

4

4

5

8

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

1

 

 

 

 

20

11

 

 

 

 

1

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

4

 

 

 

 

 

 

 

 

 

8

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

10

1

8

 

 

 

 

 

 

 

1

4

4

1

 

 

4

5

 

 

8

9

1

 

 

 

 

 

 

 

 

 

 

 

 

5

8

 

 

 

 

 

 

 

 

 

 

 

8

5

 

 

 

 

 

100

81

32

17

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

80

 

 

 

 

 

1

4

 

 

 

 

 

 

 

 

 

 

 

9

8

4

1

 

 

16

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16

9

 

 

 

 

 

 

 

 

 

 

 

 

4

1

 

30

51

 

 

 

 

 

 

 

 

 

 

 

 

 

1

16

 

 

 

 

 

 

 

 

 

 

 

 

 

31

50

 

 

 

 

 

 

 

 

 

1

16

 

 

 

 

 

 

 

 

 

 

5

8

 

 

 

 

 

 

 

 

 

 

 

 

 

5

8

 

 

 

 

 

 

 

 

 

 

 

 

29

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

5

 

8

9

 

 

 

8

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

1

 

 

 

 

 

 

 

 

 

1

4

 

 

 

14

8

16

1

4 9

4

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

16

9

 

1

7

 

 

 

3

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

8

 

 

 

 

 

 

 

 

 

1

8

 

 

 

 

 

 

 

SEND

13.8V

AAF

AGND

AMOD SQLS

CWK

1

 

 

 

 

 

 

 

 

 

 

 

 

 

FALC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

from PLL

W5601

M1Lo

J1101

 

CK_IN

192K

GND1

GND1

RQI

IBSY

CK

DI

GND1

GND1

RQO

DO

OBSY

STBO

GND1

GND1

CWST

ALE1

ALE2

TRFD

VSQL

OUT6

NC

OUT8

GND1 GND1

DSKY UNLK

DRES GND1 to DSP board J9902

2

30

CONTROLLER

EXT SP

to SP-25

J2051

to RC-26

DISPLAY

boad J8201

8

7

4

6

RXD

TXD

FAF

H13V

 

 

 

 

FAFG

FMODG

FMOD

GND

 

 

 

 

5

2

1

3

J3602

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

GND

GND

GND

L1M

L4M

L12M

S13V

GND

DSAF

DSMD

H5V

DTRM

NMEO

NMEI2

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FOR

 

REF

THRM

L2M

L6M

L22M

TRXS

NSEN

DSAFE

DSMDE

RXPC

NMRS

 

RSSW

 

NMEI

 

GND

 

 

29

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

to PLL unit J7331

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

2

 

 

J3601

H13V

PS13

PS13

PDAT

PST1

PST3

DRES

REFS

GND

M3LO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PS13

PS13

UNLK

PCK

PST2

PC02

REFV

PTMP

GND

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19

 

 

to PLL unit J5001

1

 

 

 

 

 

 

 

 

 

ACC

M2Lo W5201

from PLL unit J5201

9 - 7

Page 59 Page 61
Image 60
Page 59 Page 61
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 ‘ ConnectionCircuit Description Receiver CircuitsDSP Unit DSP Receiver Circuit Main and DSP Units AGC Circuit DSP and Main UnitsDSP Circuit AF Amplifier Circuit DSP and Main UnitsTransmitter Circuits RF Circuit MAIN, PA, PLL Units and DRI VER BoardRF Filter Circuit 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 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 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 L209 Presetting Main Unit TOP ViewRC-26 Front Panel 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 Driver Board VARISTOR-1 BoardVARISTOR-2 Board Front Unit Display BoardConnect Board Rear BoardHM-146 Main Unit Mechanical Parts and Disassembly Front PartsChassis Parts MIC UnitAccessries Accessories Front PartsConnect Board Chassis Parts MIC UnitDS DSP Board DR Driver BoardSEMI-CONDUCTOR Information Transistor and FET’SDiodes 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
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