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Icom ic-f5021, Service Manual

The Icom IC-F5021 is a high-performance two-way radio designed for reliable communication. For troubleshooting and maintenance, you can easily access the Service Manual for free download from 88.208.23.73:8080. This manual provides detailed instructions and diagrams to ensure optimal performance of your device.

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12 - 2

*; Refer to “PARTS LIST.”

CF20

D

0.1

C288

R198

10K

R228

100K

R224

47

DTC144EU

Q37

R205

10K

R156

4.7K

Q31

2SJ144

47P

C292

0.

1

C262

R226

100K

CF20

F

CF20

E

Q30

D TC144EU

R223

1k

EP5

J4

0.001

C362

R229

1M

R227

1M

Q24

DTC144EU

HF70BB9.5X10.4X4.9

EP4

R204

4.7K

0.001

C375

0.001

C293

C261

0.

1

0.001

C273

0.001

C254

R199

10K

XP6501

Q28

1

2

3

4

5

6

0.001

C270

R271

100

CF20

C

J1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

0.001

C310

0.

1

C203

0.001

C209

CF20

G

0.001

C210

0.001

C208

IC17

CD4094BPWR

1

STR

2

D

3

CLK

4

Q1

5

Q2

6

Q3

7

Q4

8

GND

9

QS

10

Q’S

11

Q8

12

Q7

13

Q6

14

Q5

15

OE

16

V+

0.

1

C202

R142

1k

0.001

C207

D43

DAP222

L10

1.8U

HV

T8V

R8V

8V

5V

CPU5V

REF

BA L

NW C

T1

T2

TMUT

TXC

RXC

MOD

F

SQIN

SCK

SO

TLVA

RLVA

PLST

UNLK

TEMP

LVIN

RSSI

NOIS

DISC

J2

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

DA221

D58

R186

100K

R184

33K

NJM12902V

IC16

9

10

8

R185

120K

0.001

C175

NJM12902V

IC16

6

5

7

R116

12K

R126

470

NJM12902V

IC16

13

12

14

0.01

C379

R125

100K

R114

12K

R121

47K

0.

1

C183

47P

C176

0.01

C245

0.047

C169

R120

10K

R129

100

R124

4.7K

R119

5.6K

R118

12K

R115

3.9K

CD4066BPW R

IC14

1

I/O1

2

O/I1

3

O/I2

4

I/O2

5

CONT2

6

CONT3

7

VSS

8

I/O3

9

O/I3

10

O/I4

11

I/O4

12

CONT4

13

CONT1

14

VDD

0.001

C170

0.1

C181

0.047

C168

R117

180K

R322

100K

CF20

B

R285

100

0.1

C173

R215

470

0.001

C189

0.

1

C188

AK2330

IC18

1

VIN7

2

VIN0

3

VOUT0

4

VOUT1

5

VIN1

6

RSTN

7

CSN

8

SCLK

9

SDATA

10

DVDD

11

VSS

12

AVDD

13

VREF

14

VIN2

15

VOUT2

16

VOUT3

17

VIN3

18

VIN4

19

VOUT4

20

VOUT5

21

VIN5

22

VIN6

23

VOUT6

24

VOUT7

25

0.

1

C185

0.1

C187

0.1

C186

0.01

C190

1

C359

0.

1

C179

R244

390K

820P

C316

820P

C317

R240

100K

0.

1

C318

R245

180K

NJM12902V

IC16

2

3

1

R242

39K

R241

100K

R243

82K

XP4601

Q39

1

2

3

4

5

6

0.

1

C349

R252

100K

0.039

C320

0.0068

C322

10K

R256

0.1

C321

R248

22K

NJM12902V

IC16

V+

4

GND

11

10K

R255

R249

22K

R247

22K

0.022

C325

0.

1

C246

0.

1

C250

TA75S01F

IC15

1

2

3

4

5

R192

220K

R191

220K

R195

1k

R193

470K

R194

2.2K

0.47

C244

Q35

DTC363EK

Q36

D TC144EU

R287

10K

0.

1

C252

LA4425A

IC8

1

2

3

4

5

R197

10K

Q25

2SD1664

DTC114TU

Q29

0.001

C269

D2

3

DA22

1

R218

22K

0.001

C276

0.001

C275

R297

300K

R298

100K

0.

1

C264

C263

0.

1

Q33

DTC144EU

DA221

D59

DA221

D60

0.001

C436

J6

1
2
3
4
5
6
7
8
9

10
11
12
13

14

15

0.001

C294

0.001

C290

0.001

C437

0.001

C291

DA221

D61

0.001

C311

CF20

A

R149

1k

1k

R146

R148

1k

R147

1k

47P

C226

R150

1k

47P

C204

0.

1

C201

D42

DAP222

0.

1

C282

47P

C284

M62334FP

IC20

1

AO1

2

AO2

3

AO3

4

AO4

5

GND

6

SDA

7

SCL

8

VCC

CF20

K

CF20

I

CP28

CP06S

R238

100K

100K

R361

100K

R360

100K

R359

1k

R357

1k

R356

1k

R358

R261

1M

R262

1M

R263

1M

R315

100K

R314

100K

R269

100K

R270

100K

1k

R145

1k

R143

1k

R325

1k

R326

1k

R327

1k

R144

R130

22K

R135

270K

R188

560

R187

10K

470

R345

10K

R363

100K

R362

0

R381

0.022

C315

0.01

C280

R159

10K

J7

1

2

3 4

0.001

C267

0

R368

0

R370

1

C295

1

C289

47K

R373

330K

R374

330K

R375

47K

R372

J

330K

R377

NJM2831F05

IC10

1

CTRL

2

GND

3

NC

4

VOUT

5

VIN

100K

R378

10K

R323

NJM7808DL1A

IC9

I       O

G

R137

68K

0.

1

C242

0.

1

C361

R138

100K

R139

100K

R113

2.2K

R111

3.3K

R123

100K

R128

10K

10

C272

0

R382

MAIN UNIT (1/2)

0

R383

0.001

C382

R329

6.8K

R202

6.8K

R203

6.8K

HW-1-S

W2

HW-1-S

CP30

0

R355

0.001

C378

R231

1k

5.6K

R330

0.068

C167

10

C174

10

C266

10

C268

10

C271

10

C274

10

C283

R133

100K

0.01

C172

R313

1M

R122

8.2K

R112

47K

39K

R371

R232

470K

470

C255

470

C265

470

C256

47 MSVA

C180

0.01

C182

0.0082

C177

100P

C178

0.0022

C249

MINISMDC050 F

S1

R304

10K

0.1

C247

R253

47K

R127

330K

150P

C184

2.2M

R384

R230

100K

R225

0

R134

33K

D26

MA2S1110G

D29

MA2S1110G

MA2S1110G

D44

MA2S1110G

D45

R183

180K

33K

R336

1

C464

DTC114EU

Q44

Q26

2SA1577

Q27

2SB1132

2SJ506S

Q23

R200

47K

R201

4.7K

0.

1

C388

0.001

C481

1

C484

0.001

C259

47P

C260

68P

C465

0.001

C371

220P

C431

D22

DSA3A1

470

C258

270K

R391

0.01

C251

0.015

C351

1

C253

18K

R392

R254

560

2.2K

R251

10K

R250

BAL

R8V

T8V

F

SQIN

RXC

CPU5V

MOD

SO

8V

5V

TMUT

T1

T2

HV

NW C

SCK

REF

TXC

BEPO

RMUT

SO

AFONO

AFOUT

DISC

SCK

CCS

MMUT E

MMUT E

AF

O

EXST

PLST

TEMP

RSSI

UNLK

SDEC

T

ONE

LVIN

CDEC

EXOE

OPV1

SI

NOIS

UNLK

PLST

DISC

RSSI

LVIN

TEMP

RLVA

TLVA

REM

DSDA

EAFO

MMUT

DISC

SIG

SQIN

BEEPO

REF

SO

SCK

BEEP

DAST

MCGO

CDEC

RXC

IN

EPTT

BUSY

SIGO

OPT1

OPT3

PTTI

OPT1

SO

PTTO

EPTT

CCS

CIRQ

DAST

PWON

SCK

SI

OPT3

OPT2

MCIN

AF

O

AFON

AFONO
EXST

SCK

RMUT

SO

RXC

NWC

AFON

PGIO3

EXOE

EAF

O

CIRQ

BUSY

DIM

AFOUT

VRAF

R8V

T8V

SDEC

BATV

OPT2

DAS T

OPV1

BEEPO

BAL

HORNO

MMUT

RMUTC

DISC

BATV

VRAF

DISC

PGIO4

TENC

MCOT

SCK

DSDA

T1
T2

TLVA
RLVA

CPU5

PGIO2

DIM

HORNO

SIG

SIGO

F

MOD

5V

MCOT

PTTO

PTTI

EXST

VCC

RXC

VREF

VREF

VREF

BEEP

RMUTC

TXC

DISC

TMUT

HV

TONE

VCC

VCC

BEEP

PGIO4

PGIO3

M

CIN

TENC

NOIS

PGIO2

CPU5V

CPU5V

CPU5V

8V

8V

8V

8V

8V

5V

5V

5V

5V

5V

5V

5V

5V

AF AMP

UNLK

DIM

TONE

GND

SDEC

NOIS

SI

CCS
MIC

RSSI

AFO

SO

TEMP

EXOE

OPV1

CDEC

5V

8V

GND

PLST

TENC

SCK

BATV

CPU5

EXST

LVIN

DSDA
PGIO2

RX AF HPF

D/A

SPLATTER

RX 5-TONE SIGNAL

CTCSS/DTCS

VCC

Ext.I/O 14(EPTT)

Ext.I/O 7  (AFO)

GND

GND

DISC

GND

GND

Ext.I/O 11 (HORN)

  Ext.I/O 6  (DIM/IGSW)

(OPV3)

(OPV2)

OPT3

PTTO

EPTT

PWON

CIRQ

DAST

PGIO3

PGIO4

OPT1

OPT2

BEEP

PTTI

AF PRE AMP

M IC AMP

FILTER

FILTER

H:AFON L:MUTE

RMUTO

Ext.I/O 10(SERIAL)

Ext.I/O 4 (SERIAL)

FILTER

Summary of Contents for ic-f5021

Page 1: ...S 14524XZ C1 Feb 2009 VHF MOBILE TRANSCEIVERS...

Page 2: ...quipment model name and unit name 4 Quantity required ORDER EXAMPLE 1110003491 S IC TA31136FNG IC F5021 MAIN UNIT 5 pieces 8820001210 Screw 2438 screw IC F5023H Top cover 10 pieces Addresses are provi...

Page 3: ...TRANSMITTER CIRCUITS 5 3 5 3 FREQUENCY SYNTHESIZER CIRCUITS 5 4 5 4 VOLTAGE DIAGRAM 5 4 5 5 PORT ALLOCATIONS 5 5 SECTION 6 ADJUSTMENT PROCEDURE 6 1 PREPARATION 6 1 6 2 FREQUENCY ADJUSTMENT 6 4 6 3 TRA...

Page 4: ...2 D in Weight 25 W ver 0 8 kg 1 3 4 Ib 0 8 kg 50 W ver 1 1 kg 2 7 16 Ib TRANSMITTER Transmit output power 25 W ver 25 W High 10 W Low2 2 5 W Low1 50 W ver 50 W High 25 W Low2 5 0 W Low1 Modulation Var...

Page 5: ...dB typ Other than RUS 82 dB typ RUS Middle More than 70 dB 75 dB typ Narrow More than 60 dB 65 dB typ Spurious response 70 dB min Intermodulation More than 70 dB 75 dB typ More than 65 dB 67 dB typ FM...

Page 6: ...2 INSIDE VIEWS FRONT UNIT TOP VIEW CPU IC1 LCD DRIVER IC6 TONE LPF IC5 TONE FILTER SWITCH Q3 EEPROM IC3 CLOCK FREQUENCY SHIFT DIODE D6 BACKLIGHT CONTROLLER Q5 DIMMER CONTROLLER Q2 BACKLIGHT DRIVER Q1...

Page 7: ...CPU5 LINE REGULATOR IC10 RIPPLE FILTER Q17 VCO SWITCH Q15 POWER SWITCH Q23 8 REGULATOR IC9 LOCK VOLATGE BUFFER Q18 WIDE NARROW PHASE SHIFTER SWITCH Q5 R8 REGULATOR Q30 POWER SWITCH Q24 APC AMP IC2 WI...

Page 8: ...ODULATION LINE SWITCH Q31 REFERENCE FREQUENCY OSCILLATOR X2 REFERENCE OSCILLATOR MODULATION AMP IC19 D A CONVERTER IC18 AF PRE AMP IC15 EXPANDER IC17 ANALOG SWITCH IC14 D A CONVERTER IC20 DRIVE AMP Q9...

Page 9: ...s from the top cover and remove the top cover 2 Disconnect the flat cable and speaker cable 3 Unscrew 2 screws from the both sides and remove the front panel in the direction of the arrow 5 Unscrew 9...

Page 10: ...UT 110R as follows 1 Turn the transceiver OFF then disconnect the DC power cable 2 Unscrew 4 screws then remove the bottom cover 3 Cut the pattern on the PCB at MIC and DISC as showon below 4 Install...

Page 11: ...IF IC IC1 to obtain the 450 kHz 2nd IF signal The 15 3 MHz signal generated by the reference oscillator X2 is passed through the filter AMP Q34 L33 35 C305 308 to extract the 45 9 MHz 3rd harmonic com...

Page 12: ...FRONT UNIT or output from the external speaker jack on the rear panel SIGNALING DECODING Demodulated signals from pin 9 of the IF IC IC1 are passed through the LPF to extract tone signals contained in...

Page 13: ...IC1 CENC0 CENC2 are passed through the LPF IC5 for waveform conversion and applied to the MAIN UNIT as tone modulation signals 2 5 TONE DTMF ENCODING FRONT UNIT Encoding signal from the CPU IC1 named...

Page 14: ...o the DC voltage Lock Voltage Applying the lock voltage to the variable capacitors VD which composes a part of the resonator of VCO the capacitance of VDs changes corresponding to the applied lock vol...

Page 15: ...puts serial data to the LCD driver FRONT UNIT IC6 pin 48 92 LSCK Outputs clock signal to the LCD driver FRONT UNIT IC6 pin 47 93 LCS Outputs chip enable signal to the LCD driver FRONT UNIT IC6 pin 46...

Page 16: ...requency Counter Frequency range Frequency accuracy Sensitivity 0 1 300 MHz 1 ppm or better 100 mV or better Standard Signal Generator SSG Frequency range Output level 0 1 300 MHz 0 1 V to 32 mV 127 t...

Page 17: ...clone adjustment frequencies and settings into the transceiver as below For except F5026 For F5026 Select Middle NOTE FOR F5022 when adjust Deviation Modulation Balance RX SENSITIVITY and S meter in...

Page 18: ...nsmit while SSG is connected to the antenna connector RF power meter 30 W 25 W ver 60 W 50 W ver DC power supply 13 6 V 20 A except EUR 13 2 V 20 A EUR Frequency counter Oscilloscope AC millivoltmeter...

Page 19: ...H TX LVA 2 Channel Transmitting 1 1 Select the item TX LVA then adjust the voltage LVIN using keys of the PC s keyboard 1 06 V Other than F5026 F5026H 1 4 V F5026 F5026H PLL LOCK VOLTAGE verification...

Page 20: ...t the Modulation Analyzer with an oscilloscope to the antenna connec tor through an attenuator Set to square waveform DEVIATION P R E PA R A TION 1 Connect an audio generator to the JIG cable and set...

Page 21: ...is re adjusted S METER MUST be re adjusted too 1 Channel 1 13 Connect the SSG to the antenna connec tor and set as Frequency 136 100 MHz except F5026 H 146 100 MHz F5026 H Level 23 dB 84 dBm Modulati...

Page 22: ...HVC375BTRF E B 99 7 22 1 D53 1750000721 S VAR HVC375BTRF E B 103 28 1 D54 1790001261 S DIO MA2S077G0L B 90 6 33 6 D55 1790001261 S DIO MA2S077G0L B 91 8 33 6 D56 1750001070 S DIO DAN235ETL T 51 5 33 5...

Page 23: ...410001130 S ARR EXB28V102JX T 65 8 6 1 R150 7410001130 S ARR EXB28V102JX T 75 3 6 S Surface mount MAIN A UNIT REF PARTS DESCRIPTION M H V NO NO LOCATION R156 7030005040 S RES ERJ2GEJ 472 X 4 7K B 116...

Page 24: ...36 7 C58 4030017460 S CER ECJ0EB1E102K T 65 3 27 8 C59 4030017460 S CER ECJ0EB1E102K T 67 3 29 5 S Surface mount MAIN A UNIT REF PARTS DESCRIPTION M H V NO NO LOCATION C60 4030016790 S CER ECJ0EB1C103...

Page 25: ...C311 4030017460 S CER ECJ0EB1E102K T 11 8 12 8 C312 4030016930 S CER ECJ0EB1A104K T 49 2 21 2 C314 4030016790 S CER ECJ0EB1C103K T 110 5 33 8 C315 4030016970 S CER ECJ0EB1C223K B 26 7 22 9 C316 403001...

Page 26: ...5220 S RES ERJ2GEJ 223 X 22K B 32 6 28 8 R26 7030005240 S RES ERJ2GEJ 473 X 47K B 29 2 27 R27 7030005240 S RES ERJ2GEJ 473 X 47K B 26 9 27 9 R28 7030005040 S RES ERJ2GEJ 472 X 4 7K B 30 9 26 1 R29 703...

Page 27: ...K B 8 9 17 1 C79 4030016930 S CER ECJ0EB1A104K B 47 9 14 6 C80 4030016930 S CER ECJ0EB1A104K B 43 4 14 6 C81 4030017460 S CER ECJ0EB1E102K T 9 2 17 1 C82 4030017420 S CER ECJ0EC1H470J B 33 1 26 1 C83...

Page 28: ...770 AXK540147YG 1 J2 6510022472 40FLT SM2 TB LF SN M 1 J4 6450000140 HSJ0807 01 010 1 J6 6510022891 B13B ZR SM4 TF LF SN 1 J7 6510014961 B2B ZR SM4 TF LF SN 1 S1 2260003180 MINISMDC050F 1 W1 712000047...

Page 29: ...NT UNIT Unit abbreviations F FRONT UNIT MA MAIN A UNIT C CHASSIS PARTS MP5 F MP9 F DS11 F MP2 F MP6 F MP1 F SP1 F MP11 F MP5 C x2 MP3 MA MP1 C J1 C MP4 C x2 MAIN UNIT MP3 C x8 MP2 C MP7 C x4 MP3 C MP2...

Page 30: ...D28 D37 D47 D48 D56 D56 D57 D59 D61 D62 D62 D63 EP8 EP9 FI1 FI1 IC1 IC1 IC2 IC2 IC4 IC4 IC9 IC9 IC10 IC10 J1 J2 J6 J7 L4 L4 L5 L5 L10 L46 L47 L54 Q1 Q1 Q4 Q4 Q5 Q5 Q15 Q15 Q16 Q16 Q17 Q17 Q18 Q18 Q19...

Page 31: ...88 C189 C190 C203 C204 C207 C208 C209 C210 C226 C244 C245 C246 C247 C249 C250 C251 C252 C253 C255 C255 C256 C256 C258 C258 C259 C260 C261 C265 C265 C269 C272 C273 C276 C280 C282 C283 C284 C285 C286 C2...

Page 32: ...W1 OPC 1046B 1 8900010503 MAIN A UNIT OPC 1939 DC POWER CABLE EXT SPEAKER JACK HV GND 5V 8V PTTO PTTI REM RMUT BEPO AFONO MMUTE PGIO3 GND SI EPTT CIRQ SO BEEP CCS MIC OPT2 SCK OPT1 PTTO PWON 8V CHASS...

Page 33: ...00A AGC Q1 2SK1829 SHIFT SW D6 MA2S077 X1 CR 774 LCD DRIVER IC6 LC75834 BPF CERAMIC FI2 LTM450EW W N SW D56 DAN235E Q40 DTA114EU IC19 TA75S01F AMP X2 Q12 2SC5107 BPF MA2S077 D54 55 TLV AD J D53 HVC375...

Page 34: ...UNIT DS11 1 COM1 2 COM2 3 COM3 4 COM4 5 SEG1 6 SEG2 7 SEG3 8 SEG4 9 SEG5 10 SEG6 11 SEG7 12 SEG8 13 SEG9 14 SEG10 15 SEG11 16 SEG12 17 SEG13 18 SEG14 19 SEG15 20 SEG16 21 SEG17 22 SEG18 23 SEG19 24 SE...

Page 35: ...P C284 M62334FP IC20 1 AO1 2 AO2 3 AO3 4 AO4 5 GND 6 SDA 7 SCL 8 VCC CF20 K CF20 I CP28 CP06S R238 100K 100K R361 100K R360 100K R359 1k R357 1k R356 1k R358 R261 1M R262 1M R263 1M R315 100K R314 100...

Page 36: ...DAN235E D56 0 1 C394 0 1 C395 0 1 C396 0 01 C397 0 01 C398 DTA114EU Q40 30P C15 D48 1SV307 1SV307 D47 L709CE D5 D6 1SV307 4P C442 L6 56N 12P C25 12P C440 8P C17 L7 82N 10P C30 1P C29 L8 82N R16 270 2P...

Page 37: ...od Centre 150 6165 Highway 17 Delta B C V4K 5B8 Canada Phone 1 604 952 4266 Fax 1 604 952 0090 URL http www icomcanada com E mail info icomcanada com Unit 1 103 Garden Road Clayton VIC 3168 Australia...

Page 38: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14524XZ C1 2009 Icom Inc...

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