Icom IC-F50V Service Manual Download

Page: 40 / 42

10 - 3

*; Refer to “PARTS LIST.”

TX:0.00V
RX:4.78V

TX:0.00V
RX:3.10V

TX:0.00V
RX:1.24V

TX:0.00V
RX:4.78V

TX:1.69V
RX:0.00V

TX:2.05V
RX:2.14V

TX:0.00V
RX:4.84V

TX:2.53V

RX:0.00V

TX:4.75V
RX:0.00V

TX:1.13V
RX:0.00V

3.86V

4.04V

3.83V

TX:0.00V
RX:2.40V

TX:2.40V
RX:0.00V

TX:0.00V
RX:1.96V

TX:0.00V
RX:1.50V

TX:0.00V
RX:4.68V

TX:0.00V
RX:1.46V

TX:0.00V

TX:2.26V
RX:0.00V

TX:0.00V
RX:4.63V

TX:0.00V
RX:0.47V

TX:0.00V
RX:1.48V

TX:0.00V
RX:2.69V

TX:0.00V
RX:4.88V

C14

11P

C55

R92

100K

C126

33P

0.1

C169

D10

HVC350B

C26

100P

D24

M A2S111

C72

0.001

R65

1.5K

0.1

C186

CP1

CP06S

0.001

C83

C107

0.001

330K

R105

R94

150K

TC4S66F

IC17

R87

470

C67

0.001

L13

0.82U

4.7K

RD07MVS2

C99

0.001

EXCCL3225U
L20

C93

15P

C129

C155

270P

47P

C200

C158

2681

C18 2

0.001

C60

0.01

51P

C30 2

FL-335

FI1

2 OU T

GND

4 GND

C190

C122

33P

C78

0.001

C135

0.001

R30

R48

680

R25

68K

C69

100P

C81

3SK324

L21

0.1U

C195

470P

C110

C91

0.001

C201

J1(CHASSIS)

10 MSVA

C98

R93

R11

100K

C213

22N

L18

15N

L14

L41

0.1U

R12

C80

C103

8.6N

L16

2SC5110

22K

R172

L32

33N

0.001

C292

3.3U

L42

R38

100K

C42

0.001

C65

0.001

C15

0.001

L27

3.3U

C73

0.001

C54

0.001

Q12

2SC5107

C25

R24

R82

4.7

R15

120 K

R42

47K

2SC4215

R18

L35

0.22U

C166

24N

C191

R13

100K

C185

0.001

C322

Q18

2SK880

C161

10P

47P

C127

R72

4.7

C113

0.75P

0.001

C101

HVC376B

C194

27.2N

HVC350B

4 .7K

R113

0.5P

C308

R101

R22

10K

R61

RD01MUS1

C28

3.5P

0.01

C89

C27

0.001

C10

0.001

HVC375B

D21

47K R102

68K

0.001

R34

100K

27P

C56

15P

C77

0.001

L38

68N

C193

C5 8

0.001

C66

0.001

2.7K

12P

C4 1

470K

R103

45.3N

RB706F

C118

0.5P

C141

0.001

10 MSVA

C148

C209

0.001

C95

0.001

C88

0.001

C5 1

0.00 1

R58

33K

R84

3.9K

C6 1

100P

Q19

KTC4075

C162

56P

C102

R31

0.1

C79

C2 2

R71

100K

220P

C124

R20

820

C108

0.01

C104

0.001

C153

47P

R69

22P

R55

4.7K

C114

33P

R100

10K

L22

0.1U

C12

C39

0.001

R81

R98

2.2K

3.3U

L43

R45

150K

D23

MA2S111

R88

560

L26

68N

C53

0.01

C324

R67

100

R63

470

C36

0.001

TA75S01F

IC2

C152

47P

4.7K

R118

3.3 MSVA

C147

C44

27N

MA2S077

0.1 C168

D17

HVC376B

L31

0.1U

220K

ACZ1005Y

EP1

R76

100

C6 2

82P

C19

0.001

XP1214

Q15

0.00 1

10K

R96

1.5K

C143

0.001

10P

C52

R33

150

A CZ1005Y

EP6

C23

C43

0.001

Q11

2SC5107

C165

0.01

0.001

C159

C17

12P

C167

C137

0.01

R52

150

CR-783

1 VCON
2 GND

OUT

VCC

3SK293

22P

C205

R62

100

L19

47N

4.7

C211

R23

150K

R46

2.2K

18.3N

L17

L25

82N

C37

0.01

R109

L11

56N

NJM12904V

IC16

V+

GND

C106

47P

HVC375 B

220K

R29

C188

0.001

R21

220K

C105

0.001

C117

470P

D15

MA2S077

R171

82K

L33

0.82U

R57 68

18P

C11

2SK182 9

R43

470

0.001

C111

R10

1.5K

C120

470P

C74

0.001

NJM12904V

IC16

R86

120K

68N

10P

C157

C20

100P

C70

100P

4.7U

L15

100K

R111

27P

C87

C121

18P

0.001

C291

R19

100K

R95

5.6K

470K

R174

Q14

2SC4226

0.01

C48

HVC376B

Q10

2SC5107

56N

R53

0.47 SV

C149

C100

10P

R97

560

TA31136FNG

IC1

1 OSCIN

2 OSCOUT

3 M IXOUT

4 VCC

5 IFIN

6 DEC

7 FILOUT

8 FILIN

AFOUT

QUAD

IFOUT

R SSI

N-DE T

N-RE C

GND

MIXIN

2.5P

C29

ACZ1005Y

EP3

R54

100K

10K

C35

L12

68N

C109

0.001

C68

100P

C183

R68

10K

5.6K

R173

C24

0.001

470P

C84

0.001

C184

L39

33N

R51

82K

R77

100

C32

0.00 1

10U

L24

R90

220K

0.1 SVA

C146

R110

33K

0.001

C90

Q17

KTC4075

C94

47P

C151

C76

R50

10K

100K

R213

C202

C140

D18

1SV239

Q16

KRC404E

D14

MA2S077

47P

C321

18P

0.001

C156

HVC376

CDBKB450KCAY24

12P

C323

22P

C133

22P

C16

0.001

C203

L37

10U

68K

R26

R80

10K

R14

10K

C18

C96

0.001

4.7K

R35

100

R85

3.9K

11P

C116

0.01

L28

3.3U

R79

1.8K

1SV307

C150

C33

47P

100

R32

C71

R187

39K

C57

0.001

C138

47P

0.001

C199

5.8N

M A2S111

D25

220K

R175

C154

47P

C163

C63

47P

1SV307

C50

0.001

100K

R28

C139

68N

C192

C119

0.001

CFWKA450KFFA

FI2

C85

0.001

HVC375B

D22

R16

270

10K

R108

220K

R104

C31

R17

MMZ1608Y102BT

EP2

120K

C59

0.001

62P

C13

HVC375 B

C123

68P

R39

0.001

C82

0.001

C329

R83

1.8K

C30

R44

390K

C97

47P

10 MSVA

C75

NJM12904V

IC16

150K

R27

C45

0.001

C38

MA2S728

4.7K

R117

C132

C40

33P

C134

C164

22P

C92

C115

33P

33K

MA74 2

D26

22P

100

R115

1.2K

R89

10K

C208

12P

C207

10P

470P

C145

R116

680K

R78

100K

82P

C86

C206

12P

45.3N

C49

MB15A02PFV1

IC4

OSCIN

OSCOUT 3

VCC 5

GND 7

FIN

9 CLOCK

10 DATA

12 FC

FOUT

G-503040

R40

1.5K

Q13

2SC4226

R70

100

R36

1.5K

BAL

REF

PLST

SCK

MO D

LVA

NOIS

D AST

RSSI

UNLK

R5V

LVIN

TMUT

S5V

+5V

LPF

APC

AGC

RF AMP

MIX

IF AMP

IF IC

RX VCO

TX VCO

PLL

REF OSC

*3 MULTI

R5V

VCC

T5V

R5V

S5V

+5V

S5V

T5V

VCC

SQLI

SQLO

TMUT

R5V

C
D

MAIN UNIT (Right side)

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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