Icom IC-F50V Service Manual Download

Page: 38 / 42

10 - 1

SECTION 10

VOLTAGE DIAGRAM

*; Refer to “PARTS LIST.”

100K

R440

0.001

C432

100K

R501

10 MSVA

C427

KRA304E

Q407

47P

C478

MA2S111

D407

CL-165HR

DS406

470

R455

0.0022

C447

2.2K

R439

C512

68K

R478

47P

C466

0.001

C403

100K

R524

0.0022

C405

470

R457

47P

C462

0.1

C413

150K

R522

RSQ035P03TR

Q401

C410

10K

R465

PRG21BC4R7MM1RA

To LCD

R515

100K

R502

C437

C444

C417

R404

0.001

C486

0.056

C497

100K

R484

NJM12902V

IC403

47K

R467

10K

R496

BD5242 G

IC408

1 OUT

2 VDD

3 VSS

KRC404E

Q406

0.001

C476

68K

R441

2.2K

R508

1 SVA

C510

10K

R490

2.2K

R516

68K

R479

KEY

S40 7

100K

R525

27K

R420

C513

100K

R446

47P

C467

0.001

C404

OPC-1210A

W401

120P

C448

KRA304E

Q412

10K

R529

0.018

C505

12K

R494

0.1

C421

10K

R518

C411

330K

R407

R458

SML-310M T

DS403

CP10S

CP4

HN58X24256FPIE

IC409

1 A0

2 A1

3 A2

4 VSS

SDA

SCL

VCC

0.001

C445

100K

R408

100K

R412

100K

R483

NJM12902V

IC403

V+

GND

MA2S111

D401

47K

R468

15P

C414

10K

R497

C474

0.001

C487

SP401

036D0801B

CD4094BPWR

IC410

1 STR

2 D

3 CLK

4 Q1

5 Q2

6 Q3

7 Q4

8 GND

Q’S

V+

0.01

C431

C428

100K

R488

0.001

C479

100K

R421

NJM12902V

IC403

27K

R507

10K

R489

KEY

S402

100K

R438

68K

R480

2SC4213

Q415

100K

R511

47K

R427

CP10S

CP1

KRC404E

Q414

0.001

C490

47P

C468

R437

R426

10K

R519

12K

R493

15K

R405

HD64F2268TFV

IC401

1 SEG31

2 SEG30

3 SEG29

4 SEG28

5 SEG27

6 SEG26

7 SEG25

8 PL7/SEG24

9 PL6/SEG23

10 PL5/SEG22

11 PL4/SEG21

12 CVCC

13 PL3/SEG20

14 VSS

15 PL2/SEG19

16 PL1/SEG18

17 PL0/SEG17

18 PK7/SEG16

19 PK6/SEG15

20 PK5/SEG14

21 PK4/SEG13

22 PK3/SEG12

23 PK2/SEG11

24 PK1/SEG10

25 PK0/SEG9

PJ7/WKP7/SEG8

PJ6/WKP6/SEG7

PJ5/WKP5/SEG6

PJ4/WKP4/SEG5

PJ3/WKP3/SEG4

PJ2/WKP2/SEG3

PJ1/WKP1/SEG2

PJ0/WKP0/SEG1

P10

P11

P12/TCLKA

P13/TCLKB

P14/TIOCA1/IRQ0

P15/TIOCB1/TCLKC

P16/TIOCA2/IRQ1

P17/TIOCB2

AVSS

P97/AN9

P96/AN8

P47/AN7

P46/AN6

P45/AN5

P44/AN4

P43/AN3

P42/AN2

P41/AN1

P40/AN0

VREF

AVC C

PH7

MD1

OSC2

OSC1

RES

NMI

STBY

VCC

XTAL

VSS

ESTAL

FW E

MD2

P77/TXD2

P46/RXD2

P75/SCK2

P74

P73/TMO1

P72/TMO0

P71

P70/TMRI01/TMCI01

P30/TXD0

P31/RXD

P32/SCK0/IRQ

P33/TSC1

P34/RXD1/SDA0

P35/SCK1/SCL0

PF3/ADTRG/IRQ3

PH5

PH4/

PH3/COM

PH2/COM

PH1/COM

PH0/COM

SEG40

SEG39

SEG38

SEG37

SEG36

SEG35

SEG34

SEG33

100

SEG32

0.018

C506

5.6K

R513

ERDS2T0

W402

270K

R532

150K

R415

4.7K

R469

220K

R471

47P

C463

100K

R500

22K

R474

33 MSVB2

C496

0.001

C488

NJM12904V

IC407

V+

GND

47P

C499

0.1

C493

CP10S

CP2

100K

R487

0.1

C502

100K

R422

100K

R410

KEY

S403

KEY

S40 5

C420

MA2S111

D402

0.001

C481

100P

C407

27K

R413

180K

R461

470K

R534

0.0033

C449

2.2K

R401

47K

R428

NJM12902V

IC403

R530

4.7K

R539

0.001

C491

0.001

C426

11FH-SM1-TB

J403

CP10S

CP3

10K

R520

KRC404E

Q408

12K

R495

100K

R409

47K

R470

470P

C507

100P

C498

10K

R533

TC7W66FK

IC406

5 6 7 8

MA2S077

D404

150K

R416

10K

R475

0.015

C441

100K

R472

KEY

S404

KEY

S40 6

47P

C464

R486

0.001

C489

EM6027P

MC401

100K

R423

C503

CP10S

CP5

0.001

C482

0.1

C412

27K

R414

33 MSVB2

C435

10K

R537

100K

R433

56K

R462

10K

R541

SM04B-SRSS-TB

J402

C500

0.01

C473

SML-310M T

DS402

2.7K

R528

47P

C450

100K

R411

100K

R482

0.001

C492

0.001

C429

220P

C425

R523

R492

0.001

C401

RSR025N03

Q413

NJM12904V

IC407

MA2S111

D403

IMSA-9681S-36A-TB

J401

470P

C508

0.0027

C406

KTC811U

Q40 2

CP10S

CP6

470K

R417

33K

R402

47K

R473

3.3K

R506

68K

R476

R509

10K

100

R445

47P

C465

CR-764

X401

0.1

C442

C408

100K

R521

100

R456

10 MSVA

C504

33K

R538

0.001

C483

MA2S111

D406

12K

R517

10 MSVA

C419

SML-A12M T

DS404

22K

R463

470P

C501

330K

R527

0.001

C495

C418

0.001

C430

R491

0.22

C423

47P

C477

NJM12902V

IC403

15K

R526

0.001

C446

470K

R418

0.001

C402

8.2K

R406

10K

R430

68K

R477

470

R434

47P

C461

XP4111

Q409

C409

NJM12904V

IC407

100K

R432

100K

R503

820P

C443

12P

C416

22K

R464

68K

R535

TC75S51FU

IC411

KRC404E

Q411

R403

0.001

C485

47K

R466

100K

R512

100K

R485

SML-A12M T

DS405

0.01

C415

SKHLLFA010

S401

4.7K R429

0.001

C494

0.001

C475

TDA8547TS

IC405

GND1

NC 3

OUT1 + 4

MODE

SVRR 6

SELECT 7

NC 8

OUT2 + 9

NC 10

GND2

11 VCC2

12 NC

13 OUT2-

14 IN2-

15 IN2+

16 IN1+

17 IN1-

18 OUT1-

19 NC

20 VCC1

SEG1

SEG2

SEG3

SEG4

SEG5

SEG6

SEG7

SEG8

SEG9

SEG10

SEG11

SEG12

SEG13

SEG14

SEG15

SEG16

SEG17

SEG18

SEG19

SEG20

SEG21

SEG22

SEG23

SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 COM1 COM2 COM3 COM4

TEMP

SENC2

DAST

RSSI

LVIN

BATV

CDEC

SDEC

EXOE

EXS

EXSF

INT

SENC3

SENC1

SENC0

CENC2 CENC1 CENC0

CENC0

CENC1

CENC2

SENC0

SENC1

SENC2

SENC3

OPTV

UNLK

LEDT

LIGT

NOIS

VOXV

CLO

CLI

MDIR

MSCK

PLST

MDI

MTCK

GND

DAST

MDI R

SEG2

SEG9

SEG10

SEG11

SEG12

SEG13

SEG14

COM1

SEG15

SEG16

SEG8 SEG7

SEG1

SEG6 SEG5 SEG4 SEG3

SEG22

SEG25

SEG26

SEG27

SEG28

SEG29

SEG30

SEG31

SEG24

SEG32

SEG23

COM3

COM4

SEG19

SEG20

SEG21

COM2

RAC

UNLK

MRDF

SEG18 SEG17

CSFT

SCK

EXSF

MCON CSFT EXOE

MCON

PTT

LEDR

RES

KR0

KR1

VOXV

RSSI

LVIN

SDEC

NOIS

MTCK

MTDT

EXOE

EXSM

INT

PLST

MSCK

MDIO

SCK

AFON

SPON

DUSE

PWON

MTDT

CDCS

MIC

SIGNAL

BATV

OPT V

S5V

VCC

PTT

RAC

TEMP

TONE

BPMAX

BEEP

BPMAX

RES

CL I

CLO

CPU5

CDEC

VCC

AFO

OPTV

GND

RES

CLI

CLO

MIC

PTT

TP76N97N

R601

OPC-1260

W601

R701

AVR-M1005C080MT

D701

AVR-M1005C080MT

D702

AVR-M1005C080M

D703

AVR-M1005C080M

D704

AVR-M1005C080M

D705

0.001

C701

0.001

C702

0.001

C704

2403

MP701

MMZ1005S601CT x3

EP701

EP702

EP703

MMZ1005S601CT

EP704

MMZ1005S601CT

EP705

11FH-SM1-TB

J 1

VCC

AFO

OPTV

RES

C LI

CLO

MIC

AFO

PTT

MIC

TXD

RXD

RESET

OPTV

MICE

VCC

VR UNIT

CONNECT UNIT

FRONT UNIT

4.96V

Light ON :4.81V

Light OFF:0.00V

TX:0.00V
RX:4.88V

TX:4.98V

RX:0.00V

TX:0.57V

RX:4.84V

POWER OFF:7.07V

POWER ON :0.00V

AF Min Level ON :0.00V

AF Min Level OFF:4.91V

AFON ON EXT SP:3.35V
AFON ON INT SP:2.13V

AFON ON EXT SP:7.20V

AFON ON INT SP:4.51V

EXT SP:4.87V
INT SP:0.00V

TX DTCS ON :4.98V

TX DTCS OFF:0.00V

19.66MHz
1.44Vp-p

AFON OFF :0.00V

Summary of Contents for IC-F50V

Page 1: ...VHF TRANSCEIVER S 14406XZ C1 Sep 2007...

Page 2: ...nited Kingdom Germany France Spain Russia and or other countries ORDERING PARTS 1 Make sure the problem is internal before disassembling the transceiver 2 DO NOT open the transceiver until the transce...

Page 3: ...CUITS 4 7 4 5 VOLTAGE BLOCK DIAGRAM 4 7 4 6 CPU F IC401 PORT ALLOCATIONS 4 8 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 FREQUENCY ADJUSTMENT 5 4 5 3 TRANSMIT ADJUSTMENT 5 6 5 4 RECEIVE AD...

Page 4: ...oise without CCITT filter USA EXP CHN only 40 dB min 46 dB typ Wide 34 dB min 40 dB typ Narrow Residual modulation with CCITT filter EUR only 50 dB min 55 dB typ Wide 43 dB min 53 dB typ Middle 40 dB...

Page 5: ...IC12 CD4094BPWR MIC AMP IC407 NJM12904V AF BUFFER AF MIXER IC5 NJM12904V AF BUFFER IC6 NJM12904V TX POWER AMP Q7 RD07MVS2 T112 DRIVE AMP Q8 RD01MUS1 T113 LOCK VOLTAGE SWITCH IC17 TC4S66F BASE BAND IC...

Page 6: ...om the contact spring eUnsolder 1 point from the antenna connector Unsolder 6 shield cover Unsolder 4 contact spring Unsolder 1 antenna connector MAIN UNIT CHASSIS VR knob ANT nut Flat cable VR washer...

Page 7: ...gnals to the RX circuits is composed 1ST IF CIRCUITS The 1st IF circuits consist of 1st mixer 1st IF filter and 1st IF amplifier IF AMP And it converts the RX signals into the 1st IF signal then filte...

Page 8: ...M demodulated by the FM IF IC This transceiver employs the base band IC for audio signal processing for both transmit and receive The base band IC is an audio processor and composed of RF AMPlifier co...

Page 9: ...elch is accomplished TONE SQUELCH The tone squelch connects the RX AF line and activates the AF power amplifier to emit the AF signals only when receiving a signal which contains the tone frequency ma...

Page 10: ...C203 L37 R80 R85 C116 L28 R79 C139 C192 C119 D22 C123 R83 C134 C115 R78 Q13 R70 LVA RX VCO TX VCO R5V VCC T5V MOD BUFFER BUFFER BUFFER RIPPLE FILTER VCO SW TX RX SW Freq adjust Freq adjust Modulation...

Page 11: ...ortion to the transmit output power level The detected voltage is applied to the comparator The transmit power setting voltage is ap plied to another input terminal as the reference voltage The compar...

Page 12: ...D18 C156 D2 0 C133 C203 L37 R85 C116 L28 R79 C150 R187 C138 C154 C192 C119 D22 R108 R104 C123 R83 IC16 2 3 1 R117 C132 C134 C115 R9 1 R89 C208 C207 C145 C206 MB15A02PFV1 IC4 1 OSCIN 2 OSCOUT 3 VP 4 V...

Page 13: ...plied to the gate terminal of AGC line driver The driver controls the voltage which supplied to the RF AMP to control the gain of RF AMP C26 C186 R11 R12 R172 C42 6P C25 R15 R18 R13 D9 R22 C28 C22 R20...

Page 14: ...4 CDEC CTCSS DTCS signals I 45 VOXV VOX detect High start to transmit I 46 KR1 Key input for UP P0 and P3 keys Pulled up I 47 KR0 Key input for DOWN P1 and P2 keys Pulled up I 48 BATV Battery volatge...

Page 15: ...to 10 V Modulation Analyzer Frequency range 30 300 MHz Measuring range 0 to 10 kHz External speaker Input impedance 8 Capacity More than 1 W Audio generator Frequency range 300 3000 Hz Output level 1...

Page 16: ...he shortcut CS F50V on the desktop r Click Adjust Read button Clone Write I O Update F5 I O Check Adjust Read This screen is an example only Each transceiver has its own specific values for each setti...

Page 17: ...e here OPC 966U USB type Cloning cable GND MIC PTT GND GND SP PTT SWITCH AC MILLIVOLTMETER 10 mV to 10 V AUDIO GENERATOR 300 3000 Hz 1 500 mV SETTING Frequency 1 kHz Level 150 mV rms 4 7 F EXT SPEAKER...

Page 18: ...Power Meter to the antenna connector Transmitting 3 5 V CONVENIENT The PLL LOCK VOLTAGE can be adjusted automatically 1 Set the Lock voltage preset RX LVA and TX LVA to 179 2 Push the ENTER key on th...

Page 19: ...r to the antenna connector Transmitting Loosely couple a Frequency Counter to the antenna connector 174 000 MHz Loose Coupling FREQUENCY COUNTER 0 1 300 MHz RF POWER METER 10 W 50 5 2 FREQUENCY ADJUST...

Page 20: ...Transmitting Connect an RF power meter to the antenna connector 5 0 W Low2 L2 2 Channel 1 4 Transmitting 2 0 W Low1 L1 3 Channel 1 5 Transmitting 1 0 W 5 3 TRANSMIT ADJUSTMENT Select an adjustment ite...

Page 21: ...enna connector through an Attenuator 2 05 to 2 15 kHz Middle MOD Mid 2 Channel 1 7 Transmitting 3 15 to 3 25 kHz Wide MOD Wide 3 Channel 1 8 Transmitting 4 05 to 4 15 kHz EUR EUR 01 EUR 02 only 5 3 TR...

Page 22: ...n Analyzer Set to the square wave form Middle BAL Mid 2 Channel 1 10 Transmitting Wide BAL Wide 3 Channel 1 11 Transmitting EUR EUR 01 EUR 02 only 5 3 TRANSMIT ADJUSTMENT continued Select an adjustmen...

Page 23: ...nsmitting Connect a Modulation Analyzer to the antenna connector through an Attenuator 0 66 to 0 70 kHz 5 3 TRANSMIT ADJUSTMENT continued Select an adjustment item using keys then set to the specified...

Page 24: ...Put the cursor on the BPF T2 and push the return key CONVENIENT RECEIVE SENSITIVITY can be adjusted totally Put the cursor on the BPF ALL and push the return key 5 4 RECEIVE ADJUSTMENT Select an adjus...

Page 25: ...ceiving Push the return key to set the S6 level Automatic adjustment S METER S1 LEVEL 2 Set the SSG output level to 12 dB 119 dBm Receiving Push the return key to set the S1 level 5 4 RECEIVE ADJUSTME...

Page 26: ...elch Then set SQL value at the point where the audio signals just appear 5 4 RECEIVE ADJUSTMENT continued Select an adjustment item using keys then set to the specified value using keys on the connect...

Page 27: ...090 S RES ERJ2GEJ 104 X 100 k T 15 8 21 8 S Surface mount FRONT UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION R484 7030005090 S RES ERJ2GEJ 104 X 100 k T 15 6 20 9 R485 7030005090 S RES ERJ2GEJ 104...

Page 28: ...960 S CER ECJ0EB1C183K T 6 3 23 4 C507 4030017730 S CER ECJ0EB1E471K T 5 23 C508 4030017730 S CER ECJ0EB1E471K T 11 3 24 2 C510 4550000460 S TAN TEESVA 1C 105M8R T 23 5 48 6 C512 4030018860 S CER ECJ0...

Page 29: ...E R10JFA T 58 8 4 8 L32 6200005721 S COL ELJRE 33NGFA T 37 1 32 1 L33 6200004480 S COL MLF1608D R82K T B 27 3 12 7 L35 6200003540 S COL MLF1608D R22K T B 27 8 18 1 L37 6200003640 S COL MLF1608E 100K T...

Page 30: ...J2GEJ 223 X 22 k C I F L only T 20 5 17 1 R208 7030010090 S RES ERJ2GEJ 180 X 18 C I F L only B 22 40 6 R210 7030005240 S RES ERJ2GEJ 473 X 47 k A G D J only B 18 7 41 3 R211 7030005240 S RES ERJ2GEJ...

Page 31: ...5 7 23 6 C225 4030017460 S CER ECJ0EB1E102K B 2 5 29 7 C227 4030016790 S CER ECJ0EB1C103K B 31 6 12 8 C228 4030017460 S CER ECJ0EB1E102K T 24 3 14 7 C229 4030016930 S CER ECJ0EB1A104K T 30 4 7 2 C230...

Page 32: ...O LOCATION EP3 6910015370 S BEA ACZ1005Y 102 T B 25 4 35 1 EP4 6910015600 S BEA ACZ1005Y 241 240 T 23 9 21 7 EP5 6910015600 S BEA ACZ1005Y 241 240 T 14 26 1 EP6 6910015370 S BEA ACZ1005Y 102 T B 28 8...

Page 33: ...50 2681 PTT PLATE 1 MP407 8930060711 2681 PTT RUBBER 1 1 MP408 8310059540 2681 LCD PLATE 1 MP409 8930060520 2681 LED LENS 1 MP410 8210019890 2681 REFLECTOR 1 MP411 8310069820 2681 WINDOW PLATE A 1 MP4...

Page 34: ...MP4 M MP408 F SP401 F DS401 F MP410 F R601 V MP424 F FRONT Unit MAIN Unit VR UNIT W601 V EP402 F MP429 F MP406 F MP421 F MP409 F MP407 F CONNECT UNIT J1 CO MP419 F W404 F W404 F A A MP406 F MP10 C MP1...

Page 35: ...500 R501 R502 R503 R506 R507 R508 R509 R511 R512 R513 R515 R516 R517 R518 R519 R520 R521 R522 R523 R524 R525 R526 R527 R528 R529 R530 R532 R533 R534 R535 R541 S401 X401 1 4 3 2 B6802B H0 H5 H10 H15 H2...

Page 36: ...321 C322 C323 C324 C325 C328 C329 D1 D2 D5 D12 D14 D15 D16 D17 D19 D20 D21 D22 D24 D26 EP3 EP6 EP8 FI1 FI2 FI2 IC1 IC4 IC7 IC18 IC19 L1 L2 L3 L4 L5 L6 L7 L8 L9 L11 L12 L13 L14 L15 L16 L17 L19 L20 L22...

Page 37: ...CTRL Q401 RSQ035P03TR Q402 KTC811U LCD DRIVE PRE Q9 2SC5110 LV ADJ D21 HVC375B LV ADJ D22 HVC375B MIC MUTE IC406 TC7W66FK AMP AMP HPF LPF LIMIT AMP LPF SCRM BLER BPF MSK DE Modu lator MSK Modu lator E...

Page 38: ...5 6 7 8 MA2S077 D404 150K R416 10K R475 0 015 C441 100K R472 KEY S404 KEY S406 47P C464 1K R486 0 001 C489 EM6027P MC401 100K R423 1 C503 CP10S CP5 0 001 C482 0 1 C412 27K R414 33 MSVB2 C435 10K R537...

Page 39: ...1 12K R121 0 001 C228 0 1 C180 0 001 C294 10K R161 0 1 C271 Q30 47K R129 100K R147 470 R120 0 001 C225 68K R151 0 001 C299 47P C250 0 01 C231 470 R196 R211 0 0022 C256 0 001 C230 KRC404E Q29 47K R132...

Page 40: ...C52 R33 150 ACZ1005Y EP6 0 1 C23 C43 0 001 Q11 2SC5107 C165 0 01 0 001 C159 C17 12P C167 0 1 C137 0 01 R52 150 CR 783 X2 1 VCON 2 GND 3 OUT 4 VCC Q2 3SK293 22P C205 R62 100 L19 47N 4 7 C211 R23 150K R...

Page 41: ...lenwood 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 Austr...

Page 42: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14406XZ C1 2007 Icom Inc...

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