Icom VHF IC-F50 Service Manual Addendum Download | Manualshive

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Feb. 2008

C401

C402

C403

C404

C405

C406

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C408

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C461

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C477

C478

C479

C481

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C483

C486

C487

C488

C489

C490

C491

C492

C493

C494

C495

C496

C497

C498

C499

C501

D401

D402

D403

D404

D405

D406

IC401

IC403

IC405

IC406

IC407

IC408

IC409

IC410

J401

J402

J403

Q401

Q402

Q407

Q408

Q409

Q411

Q412

R401

R402

R403

R404

R405

R406

R407

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R495

R496

R497

R500

R501

R502

R503

R506

R507

R508

R509

R511

R512

R513

R514

R515

S401

X401

+

-

B6870B

1

4

3

2

+

-

H0

H5

H10

H15

H20

H25

H30

H35

H40

H45

V0

V5

V10

V15

V20

V25

V30

V35

V40

V45

V50

V55

V60

V65

V70

D704

MP701

R701

H0

H5

H10

V0

V5

V10

V15

V20

V25

V30

V35

• FRONT UNIT
(TOP VIEW)

• VR UNIT
(TOP VIEW)

• MAIN UNIT
(TOP VIEW)

+

–

• CONNECT UNIT
(TOP VIEW)

36

1

1

GND

DUSE

AFOUT

AFON

PW

ON

GND

J402
to the VR unit W601

4

1

4

6

5

36

1

GND

MIC
GND
TONE
CDCS
SIGNAL
SO
SCK
MDIO
MSCK
SCST
PLST
SCAT
EXSM
EXOE
MTOT
MTCK
NOIS
SDEC
CDEC
KR1
LVIN
RSSI
TEMP
UNLK
MDIA
MROF
DAST
CSFT
PWON
GND
GND
S5V
CPU5
NC
VCC
VCC

GND

J401
to the MAIN unit J1

38

37

38

36

36

1

1

37

GND

VCC
VCC
NC
+5V
S5V
GND
GND
PWON
CSFT
DAST
MROF
MDIA
UNLK
TEMP
RSSI
LVIN
KR1
CDEC
SDEC
NOIS
MTCK
MTOT
EXOE
EXSM
SCAT
PLST
SCST
MSCK
MDIO
SCK
SO
SIGNAL
CDCS
TONE
GND
MIC

GND

J1

to the FRONT unit J401

AFO

OPTV

RESET

TXD

PTT

VCC

MICE

RXD

MIC

R601

H0

H5

V0

V5

V10

C17

C18

C19

C20

C22

C23

C25

C26

C27

C28

C29

C30

C32

C33

C37

C38

C39

C40

C42

C43

C45

C73

C76

C77

C78

C79

C80

C81

C83

C84

C85

C86

C87

C88 C89

C91

C92

C94

C98

C100

C103

C104

C105

C106

C107

C109

C110

C111

C138

C139

C141

C143

C145

C146

C147

C150

C170

C171

C172

C180

C185

C186

C200

C201

C202

C203

C205

C206

C207

C208

C213

C218

C219

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C224

C225

C229

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C236

C237

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C256

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C263

C265

C266

C271

C281

C290

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C299

C300

C301

C303

C304

C306

C307

D4

D6

D7

D8

D9

D10

D18

D23

D25

EP1

EP2

EP4

EP5

F1

FI2

IC2

IC5

IC6

IC9

IC10

IC11

IC12

IC13

IC16

IC17

J1

L18

L21

L27

L28

L31

L32

L41

L42

L43

Q1

Q2

Q7

Q8

Q11

Q15

Q16

Q18

Q26

R2

R3

R4

R5

R6

R7

R8

R9

R10

R11

R12

R13

R14

R15

R16

R19

R20

R21

R22

R23

R36

R53

R54

R55

R57

R58 R59

R61

R70

R71

R75

R76

R77

R80

R86

R87

R88

R89

R95

R96

R100

R101

R103

R104

R105

R109

R110

R111

R113

R120

R121

R122

R123

R124

R126

R127

R128

R134

R135

R141

R147

R148

R150

R151

R152

R153

R154

R155

R167

R168

R171

R172

R173

R174

R175

R181

R182

R183

R184

R185

R187

R188

R189

R192

R193

R194

R195

R196

S1

X1

V

5

S

V

5

+

VCC

T5V

R5V

LV

J1

B6032E

VHF

MP4

H0

H5

H10

H15

H20

H25

H30

H35

H40

H45

H50

H55

H60

H65

H70

H75

H80

V0

V5

V10

V15

V20

V25

V30

V35

V40

6

BOARD

LAYOUTS

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Summary of Contents for VHF IC-F50

Page 1: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 6 VOLTAGE DIAGRAM 8 Feb 2008...

Page 2: ...30005070 S RES ERJ2GEJ 683 X 68 k T 27 2 45 2 R477 7030005070 S RES ERJ2GEJ 683 X 68 k T 25 2 45 2 S Surface mount FRONT UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION R478 7030005070 S RES ERJ2GEJ 6...

Page 3: ...F B 47 6 29 5 Q13 1530002920 S TR 2SC4226 T1 R25 B 45 22 4 Q14 1530002920 S TR 2SC4226 T1 R25 B 43 9 29 9 Q15 1590001400 S TR XP1214 TX T 45 8 26 2 Q16 1590000430 S TR DTC144EUA T106 T 43 2 26 8 Q17...

Page 4: ...2 k B 45 37 6 R100 7030005050 S RES ERJ2GEJ 103 X 10 k T 47 1 15 2 R101 7030005120 S RES ERJ2GEJ 102 X 1 k T 45 5 15 2 R102 7030005240 S RES ERJ2GEJ 473 X 47 k B 19 1 3 7 S Surface mount MAIN UNIT REF...

Page 5: ...017460 S CER ECJ0EB1E102K T 48 1 15 2 C143 4030017460 S CER ECJ0EB1E102K T 44 5 15 2 S Surface mount MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION C145 4030017730 S CER ECJ0EB1E471K T 36 4 20 3...

Page 6: ...9 37 9 C304 4030016930 S CER ECJ0EB1A104K Scrambler only T 16 7 37 2 C305 4030017420 S CER ECJ0EC1H470J B 53 5 41 5 C306 4030017460 S CER ECJ0EB1E102K T 31 37 6 C307 4030016930 S CER ECJ0EB1A104K T 76...

Page 7: ...ROF DAST CSFT PWON GND GND S5V CPU5 NC VCC VCC GND J401 to the MAIN unit J1 38 37 38 36 36 1 1 37 GND VCC VCC NC 5V S5V GND GND PWON CSFT DAST MROF MDIA UNLK TEMP RSSI LVIN KR1 CDEC SDEC NOIS MTCK MTO...

Page 8: ...C148 C149 C151 C152 C153 C154 C155 C156 C157 C158 C159 C161 C162 C163 C164 C165 C166 C167 C168 C169 C182 C183 C184 C188 C190 C191 C192 C193 C194 C195 C199 C209 C211 C220 C226 C227 C228 C231 C232 C233...

Page 9: ...XTAL 64 VSS 65 ESTAL 66 FWE 67 MD2 68 P77 TXD2 69 P46 RXD2 70 P75 SCK2 71 P74 72 P73 TMO1 73 P72 TMO0 74 P71 75 P70 TMRI01 TMCI0 1 76 P30 TXD0 77 P31 RXD0 78 P32 SCK0 IRQ 4 79 P33 TSC1 80 P34 RXD1 SDA...

Page 10: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 6 VOLTAGE DIAGRAM 8 Aug 2007...

Page 11: ...70 S RES ERJ2GEJ 683 X 68 k T 27 2 45 2 R477 7030005070 S RES ERJ2GEJ 683 X 68 k T 25 2 45 2 S Surface mount FRONT UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION R478 7030005070 S RES ERJ2GEJ 683 X 6...

Page 12: ...F B 47 6 29 5 Q13 1530002920 S TR 2SC4226 T1 R25 B 45 22 4 Q14 1530002920 S TR 2SC4226 T1 R25 B 43 9 29 9 Q15 1590001400 S TR XP1214 TX T 45 8 26 2 Q16 1590000430 S TR DTC144EUA T106 T 43 2 26 8 Q17...

Page 13: ...B 45 37 6 R100 7030005050 S RES ERJ2GEJ 103 X 10 k T 47 1 15 2 R101 7030005120 S RES ERJ2GEJ 102 X 1 k T 45 5 15 2 R102 7030005240 S RES ERJ2GEJ 473 X 47 k B 19 1 3 7 S Surface mount MAIN UNIT REF ORD...

Page 14: ...60 S CER ECJ0EB1E102K T 48 1 15 2 C143 4030017460 S CER ECJ0EB1E102K T 44 5 15 2 S Surface mount MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION C145 4030017730 S CER ECJ0EB1E471K T 36 4 20 3 C14...

Page 15: ...9 C304 4030016930 S CER ECJ0EB1A104K Scrambler only T 16 7 37 2 C305 4030017420 S CER ECJ0EC1H470J B 53 5 41 5 C306 4030017460 S CER ECJ0EB1E102K T 31 37 6 C307 4030016930 S CER ECJ0EB1A104K T 76 27...

Page 16: ...R479 R480 R482 R483 R484 R485 R486 R487 R488 R489 R490 R491 R492 R493 R494 R495 R496 R497 R500 R501 R502 R503 R506 R507 R508 R509 R511 R512 R513 R514 R515 S401 X401 B6033D 1 4 3 2 VCC H0 H5 H10 H15 H2...

Page 17: ...8 C190 C191 C192 C193 C194 C195 C199 C209 C211 C220 C226 C227 C228 C231 C232 C233 C234 C235 C238 C239 C240 C242 C248 C249 C250 C255 C259 C260 C261 C262 C264 C267 C269 C273 C274 C275 C276 C277 C279 C28...

Page 18: ...VSS 65 ESTAL 66 FWE 67 MD2 68 P77 TXD2 69 P46 RXD2 70 P75 SCK2 71 P74 72 P73 TMO1 73 P72 TMO0 74 P71 75 P70 TMRI01 TMCI0 1 76 P30 TXD0 77 P31 RXD0 78 P32 SCK0 IRQ 4 79 P33 TSC1 80 P34 RXD1 SDA0 81 P3...

Page 19: ...1 C199 R24 1k 0 1 C307 C76 0 1 100K R193 10 MSVA C148 L37 10U R51 82K C126 33P DTA144EU Q25 R187 39K R97 1k R8 6 120K 0 1 C185 0 47 SVA C149 0 001 C230 C40 1 5P 4 7K R164 C53 0 01 C274 C155 270P R83 1...

Page 20: ...S 1407IZ C1 e Dec 2006 VHF TRANSCEVER...

Page 21: ...iver 2 DO NOT open the transceiver until the transceiver is disconnected from its power source 3 DO NOT force any of the variable components Turn them slowly and smoothly 4 DO NOT short any circuits o...

Page 22: ...R CIRCUITS 4 5 4 6 PORT ALLOCATIONS 4 5 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 SOFTWARE ADJUSTMENTS 5 4 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS AND DISASSEMBLY SECTION 8 SEMIC...

Page 23: ...out CCITT filter 34 dB min 40 dB typical for Narrow Residual modulation EUR only 45 dB min 55 dB typical for Wide with CCITT filter 43 dB min 53 dB typical for Middle 40 dB min 50 dB typical for Narro...

Page 24: ...BCFV D A converter IC6 M62363FP Power amplifier Q7 RD07MVS1 T5 Regulator Q21 2SA1577 S5 Regulator Q23 2SB1132 Q24 XP6501 Q25 DTA144EU R5 Regulator Q22 2SA1577 Scrambler IC IC14 FX214LG Depended on ver...

Page 25: ...F 4 Unscrew 2 screws G 5 Take off the chassis unit in the direction of the arrow 6 Remove the cable H from the chassis unit REMOVING THE FRONT UNIT 1 Unscrew 4 screws M 2 Unsolder 11 points N 3 Unplug...

Page 26: ...the attenuator R26 R28 at the 1st mixer circuit Q3 to produce a 46 35 MHz 1st IF signal The 1st IF signal is passed through a monolithic filter FI1 in order to obtain selection capability and to pass...

Page 27: ...quelch is in use and a signal with a mismatched or no subaudible tone is received the tone squelch circuit mutes the AF signals even when noise squelch is open A portion of the DET AF signals from the...

Page 28: ...the transmit power output level and converts it into DC voltage The output voltage is at a minimum level when the antenna impedance is matched at 50 and is increased when it is mismatched The detecte...

Page 29: ...Q19 FM IF IC IC1 IF amplifier Q4 VCO switch Q15 Q16 1st mixer Q3 etc Transmit 5 V converted from the S5V line at the T5 regulator circuit Q21 The output voltage is supplied to the pre drive Q9 APC amp...

Page 30: ...ction and are then applied to the expander circuit to expand AF signals The signals pass through or bypass scrambler IC IC14 and are then applied to the analog switch IC13 pins 8 11 The signals are ap...

Page 31: ...M EXOE BEEP MTDT MTCK NOIS SDEC CDEC Output segment data to the LCD display Outputs serial data to the PLL IC MAIN unit IC6 pin 8 and D A convertor MAIN unit IC6 pin 8 Outputs serial clock signal to t...

Page 32: ...og switch IC13 pins 5 6 control signal to control the scrambler unit High While the scrambler function is ON Low While the microphone mute or AF mute is ON Outputs the analog switch IC13 pins 12 13 co...

Page 33: ...memory data at the same time STARTING SOFTWARE ADJUSTMENT q Connect IC F50 F51 and PC with OPC 966 JIG CABLE w Turn the transceiver power ON e Boot up Windows and click the program group CS F50 ADJ in...

Page 34: ...ance Wide FM deviation Narrow FM deviation Wide Middle NOTE 1 5 4 6 10 11 16 17 18 19 12 9 1 2 3 4 5 6 7 8 12 13 CTCSS DTCS deviation Squelch level Reference frequency Receive sensitivity automaticall...

Page 35: ...PC 966 JIG CABLE RS 232C cable straight IC F50 F51 DB9 female plug incl level converter circuit to an RS 232C port Personal computer to the antenna connector Attenuator 40 dB or 50 dB RF power meter 0...

Page 36: ...mitting 2 0 W 1 0 W EUR 88 Power L1 3 Operating CH CH1 Transmitting 1 0 W FM DEVIATION MOD N Narrow 1 Operating CH CH4 Set the FM deviation meter as HPF OFF LPF 20 kHz De emphasis OFF Detector P P 2 C...

Page 37: ...e adjusted automatically q 1 Set the cursor to BPF ALL on the adjustment program and then push ENTER key q 2 The connected PC tunes BPF T1 BPF T2 to peak levels or w 1 Set the cursor to one of BPF T1...

Page 38: ...L8 6200008090 S COL LQW2BHN68NJ01L B 50 9 4 5 L9 6200007750 S COL LQW2BHN56NJ01L B 47 3 7 7 L11 6200007750 S COL LQW2BHN56NJ01L B 41 3 5 2 L12 6200009350 S COL ELJRE R22G F3 B 43 5 12 8 L13 620000785...

Page 39: ...3 X 10 k T 27 1 3 R157 7030005050 S RES ERJ2GEJ 103 X 10 k B 25 4 3 4 R161 7030005050 S RES ERJ2GEJ 103 X 10 k B 50 9 36 6 R162 7030005040 S RES ERJ2GEJ 472 X 4 7 k B 49 6 36 1 R163 7030005050 S RES E...

Page 40: ...60 S CER ECJ0EC1H030B B 26 2 13 5 C167 4030016930 S CER ECJ0EB1A104K B 21 3 8 9 C168 4030016930 S CER ECJ0EB1A104K B 8 6 6 6 C169 4030016930 S CER ECJ0EB1A104K B 8 8 9 4 C170 4030016930 S CER ECJ0EB1A...

Page 41: ...05170 S RES ERJ2GEJ 474 X 470 k T 16 14 9 R418 7030005170 S RES ERJ2GEJ 474 X 470 k T 5 15 R420 7030005600 S RES ERJ2GEJ 273 X 27 k T 28 8 37 7 R421 7030005090 S RES ERJ2GEJ 104 X 100 k T 30 1 38 R422...

Page 42: ...CER C1608 JB 1A 105K T B 33 8 56 C441 4030016780 S CER ECJ0EB1C153K T 25 7 42 7 C442 4030016930 S CER ECJ0EB1A104K T 24 6 41 4 C443 4030017740 S CER ECJ0EB1E821K T 23 9 42 7 C444 4030016930 S CER ECJ...

Page 43: ...US Stainless NI ZU Nickel zinc 7 1 CABINET PARTS FRONT UNIT REF NO ORDER NO DESCRIPTION QTY R601 7210003130 TP76N97N 13F 10KA 2497 1 VR UNIT REF NO ORDER NO DESCRIPTION QTY MP701 8950005520 2403 9 pin...

Page 44: ...C Glued Not putting glue to the depths of a ditch of MP401 Painting from the lower part Painting with the upper part from a crack The glue must be applied to the areas when the front panel is replaced...

Page 45: ...SB1132 Q Symbol BAQ B E C 2SK1829 Symbol K1 3SK293 Symbol UF TPC6103 Symbol S3C 1 2 3 4 5 6 B C E DTC144EU Symbol 26 B E C E C B 2SC4116 BL Symbol LL E C B 2SC4116 Y Symbol LY E C B 2SK880 Y Symbol XY...

Page 46: ...R184 R110 C172 R189 R122 R121 R133 EP4 R120 C229 R147 R183 R181 R196 C265 C306 C246 EP5 R124 R36 R150 C245 C281 C304 R194 C303 C271 R109 C208 C202 R86 C145 C203 R80 EP1 R89 C143 R101 R100 C141 R6 R5...

Page 47: ...139 C249 C156 R108 C161 C124 C193 C133 C129 C190 C191 C127 C96 C97 R65 C93 R63 C95 R98 C239 C235 C108 R69 R162 R67 C137 R163 C158 EP3 C159 R145 R144 C289 C294 C226 C220 C242 R93 R191 C287 EP6 C140 C15...

Page 48: ...79 R417 C463 R403 R409 R484 R483 C402 R485 R411 R497 C421 R427 C499 C444 R470 R428 R511 C498 C405 C495 C404 R410 R408 R406 C406 R514 R405 C407 R407 C492 R508 C489 C493 C482 C481 R496 R509 C414 C492 C4...

Page 49: ...44 R442 C485 C500 R434 R445 C433 C484 R443 C426 R457 Q413 Q406 Q403 DS404 Q404 MC401 DS402 DS403 Q405 C437 DS406 DS405 H45 H35 H50 H40 H30 H25 H15 H5 H20 H10 0 V75 V65 V55 V45 V35 V25 V70 V60 V50 V40...

Page 50: ...0 V30 V20 V15 V5 V10 0 H30 H25 H15 H5 H20 H10 0 B6034B H30 H25 H15 H5 H20 H10 0 V35 V25 V40 V30 V20 V15 V5 V10 0 1 E S U D T U O F A N O F A W P N O W601 to the FRONT UNIT J402 4 9 3 VR UNIT TOP VIEW...

Page 51: ...O E C I M T E S E R D X R D X T C I M T T P 9 4 CONNECTOR UNIT TOP VIEW BOTTOM VIEW 4 0 7 C 5 0 7 D 3 0 7 C 2 0 7 C 1 0 7 C 3 0 7 D 2 0 7 D 1 0 7 D EP704 B6035C EP703 EP702 EP701 EP705 H15 H5 H10 0 V5...

Page 52: ...4LG IC13 BU4066 DS406 CL 165HR FRONT UNIT MAIN UNIT G R DS404_405 SML A12MT LED CTRL MIC MUTE PTT DET IC405 TA7368F PWR CTRL AF AMP AF VOL BEEP TONE SPON SPON SP1 MC1 PTT CONNECTOR AFO AFO MIC PTT VCC...

Page 53: ...164 4 7 k C232 0 01 R163 10 k R166 2 2 k R165 10 k VCC 5V S5V S5V VCC VCC 5V C230 0 001 C307 0 1 C237 00 1 C238 4 7 C239 0 1 R191 100 k C287 0 1 C224 22 R184 100 k R154 150 k R148 68 k C240 0 001 C220...

Page 54: ...Q S QS CPU5 CPU5 CPU5 CPU5 CPU5 CPU5 MD CPU5 CPU5 R457 470 R458 1 k R455 100 4 8 0 Backlight ON Backlight OFF RES CLI CLO MD PTT CPU5 CPU5 CPU5 CPU5 CPU5 CPU5 CPU5 CPU5 MCON D403 MA2S111 R403 1 k D401...

Page 55: ...C 2 0 7 D 5 0 0 1 M R V A B B A T M 0 8 0 C 4 0 7 C 1 0 0 0 5 0 7 D 5 0 0 1 M R V A B B A T M 0 8 0 C 3 0 7 D 5 0 0 1 M R V A B B A T M 0 8 0 C 4 0 7 D 5 0 0 1 M R V A B B A T M 0 8 0 C 2 0 7 C 1 0 0...

Page 56: ...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 57: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14007IZ C1 e 2003 2006 Icom Inc...

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