Icom IC-F50V Service Manual Download | Manualshive

Page: 37 / 42

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SECTION 9

BLOCK DIAGRAM

LPF

LPF

LPF

IC5

NJM12904

LPF

LPF

XP4601

Q6

LPF

IC403

NJM12902

LPF

NJM12902

IC403

PWR

DET

D1

RB706F

MUTE

SW

MA2S111

D25

SW

POWER

Q26

RSQ035P03

EEPROM

IC409

HN58X24256

RESET

IC408

BD5242G

SHIFT

SW

D404

M A2S077

ANT

SW

D5:1SV307

D2:1SV307

PWR

AMP

Q7

RD07MVS2

TX/RX

SW

MA2S077

D14,D15

Q14 2SC4226

D19,20:HVC376B

Q13

2SC4226

D16,17:HVC376B

FIL

RIPPLE

Q17

KTC4075

VCO

SW

Q15:XP1214

Q16:KRC404E

FIL

LOOP

PLL

IC

IC4

MB15A02

X3

Q19

KTC4075

X1

CDBKB450KCAY24

X401

CR-764

AMP

NJM12904

IC407

FM

MOD

D18

1SV239

Q3

3SK324

BPF

D10

HVC350B

BPF

D9

HVC350B

BPF

D4

HVC375B

BPF

D8

HVC375B

BPF

RF

AMP

Q2

3SK293

APC

AMP

IC2

TA75S01F

BPF

XTAL

FI1

FL-335

IF

AMP

Q4

2SC4215

BPF

CERAMIC

FI2

CFWKA450KFFA

+5

REG

IC9

NJM2870

AF

AMP

IC405

TDA8547TS

SP1

BUFF

Q10

2SC5107

BUFF

Q12

2SC5107

BUFF

Q11

2SC5107

BUFF

Q18

2SK880

SW

FIL

Q408

KRC404E

DRIVE

AMP

Q8

RD01MUS1

GATE

CTRL

Q1

2SK1829

MC1

PTT

PTT

DET

D401:MA2S111

D402:MA2S111

AF VOL

LPF

IC403

NJM12902

X2

CR-783

TCXO

T5

REG

Q21

KTA2015

REG

R5

Q22

KTA2015

REG

S5

Q 23:KTA1664Y

Q 24:KTC811U

Q25:KRA304E

F1

1 2

BATTERY_1

BT1

PWR

CTRL

Q 401: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

EX-

PANDER

AMP

COM-

PRESSOR

LED

CTRL

Q407:KRA304E

Q409:XP4111

X4

CR-765

BUFF

IC16

NJM12904

IC7

EW-460

BATT

SELECT

IC12

CD4094

EXPAN

DER

IC410

CD4094

EXPAN

DER

BUFF

IC16

NJM12904

FAST

SW

IC17

TC4S66F

FM/PM

SW

IC11

TC4W53FU

AF

MUTE

IC406

TC7W66FK

R

G

DS406

CL-165HR

DS404_405

SML-A12MT

DS402_403

SML-310MT

LPF

BUFF

IC5

NJM12904

PLAY/

REC

+3.3

REG

IC19

S-812C33AMC

VOX

DET

IC411:TC75S51FU

SP/ESP

SW

Q406:KRC404E

Q414:KRC404E

AF

AMP

IC405

TDA8547TS

R190

VIB

REG

Q31:KTA1664Y

Q30:KTC4075

MF1

MAX

MUTE

Q415

2SC4213B

SDEC

CDEC

RES

CENC0-2

SENC0-3

CLI CLO

PTT

MIC

D/A

IF IC

LVIN

S5V

R5V

RX VCO

TX VCO

RSSI

TONE

CDCS

DUSE

Explanatory notes

CONTROL LINE

COMMON LINE

TX LINE

RX LINE

DATA LINE

T2

T1

T2

TMUT

NOIS

CPU

IC1:TA31136FN

IC6

M62363FP

IC401

136-174MHz

REF

BAL

15.3MHz

45.9MHz

DET

SQIN

450KHz

46.35MHz

182.35MHz-220.35MHz

TO

NE

CTCSS/DTCS DEC

FRONT UNIT

MAIN UNIT

19.6608MHz

CSFT

MIXER

RSSI

MOD

BEEP

DET

CPU5

VCC

+5V

S5V

R5V

T5V

AFO

OPTV

VCC

S5C

R5C

T5C

DET

CTCSS/DTCS

MOD

LV

LVA

RESET

LVA,T1,T2

VCC

IC18

ISD4002-120

IC10

AK2346

SIGNAL

SPON

3.6864MHz

CONNECTOR

+5V

VOXV

+5V

TEMP

VIB

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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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