Icom IC-R6 Service Manual Download Page 28

8 - 2

The combination of top side and bottom side of this 

• RF UNIT
  (BOTTOM VIEW)

• LOGIC UNIT
  (BOTTOM VIEW)

[DIAL]

[SP]

[FUNC]

[SQL] • [ATT]

SP1 (CHASSIS)

Int. SPEAKER

ANT CONNECTOR

J1 (CHASSIS)    

TRAC

GND

GND

GND

GND

NC

NC

NC

NC

NC

NC

RSSI

+2S

IOCK

IOSTB

IOEN

IODATA

LOGIC3.3V

NOISE

DET

GND

GND

NC

NC

NC

NC

GND

SHIFT

DBL1

DBL2

+3S

VP

FSET

+3V

IFV

PSTB

PCK

PDAUL

PPS

ATT

C1

C8

C9

C10

C11

C12

C13

C14

C15

C16

C32

C33

C35

C36

C37

C39

C54

C67

C69

C78

C79

C80

C81

C82

C93

C101

C108

C118

C119

C121

C138

C139

C145

C153

C154

C155

C160

C167

C168

C170

C175

C186

C188

C190

C191

C192

C193

C194

C195

C196

C197

C198

C199

C202

C207

C208

C209

C214

C233

C236

C241

C242

C243

C250

C251

C252

C264

C266

C267

C416

C424

C427

C430

C507

C510

C511

C512

C513

C514

C515

C548

C554

C561

C562

C566

C659

C662

C663

C664

C672

C675

C685

C691

C697

C698

C699

C701

C707

C708

C710

C712

C714

C715

C716

C723

C724

C725

C726

C727

C728

C729

C732

C734

D1

D2

D11

D17

D20

D21

D25

D32

D42

D43

D44

D47

D50

D52

D53

D58

D59

D60

D61

D73

D74

D75

D76

D101

D105

D106

D109

FI2

FI3

IC14

IC17

IC18

IC19

L1

L7

L8

L14

L20

L21

L28

L40

L42

L45

L50

L51

L52

L53

L54

L55

L56

L57

L58

L59

L69

L70

L73

L76

L77

L80

L81

L82

L94

L95

L98

L100

L102

L104

L105

L109

L110

MP1

MP8

MP9

Q6

Q14

Q24

Q31

Q37

Q41

Q501

Q502

Q503

Q504

Q514

Q516

Q518

Q519

Q520

Q525

Q526

Q528

Q529

R1

R8

R9

R10

R11

R37

R54

R55

R78

R93

R100

R101

R120

R121

R128

R129

R130

R131

R132

R133

R134

R135

R147

R151

R152

R154

R159

R204

R205

R207

R208

R209

R210

R215

R241

R247

R319

R320

R323

R324

R325

R326

R332

R334

R347

R358

R359

R360

R361

R366

R368

R369

R370

R372

R373

R374

R375

R379

R380

R382

R385

R389

R390

R391

R392

R393

R396

X2

W

B

G

R

H0

H5

H10

H15

H20

H25

H30

H35

H40

H45

H50

V0

V5

V10

V15

V20

V25

V30

V35

V40

C12

C13

C17

C18

C28

C30

C34

C35

C40

C47

C48

C49

C51

C100

C101

C103

C104

C106

C107

C108

C109

C110

C113

C114

C115

C116

C120

C128

C129

C130

C131

C132

C135

C200

C301

C303

C304

C305

C306

C307

C308

C309

C310

C311

C312

C314

C316

C318

C319

C322

C351

C352

C400

C402

C403

C404

C406

C451

C452

C453

C455

C458

C500

C501

C503

C505

C506

C507

C510

C514

C515

C516

C517

C519

C520

C524

C529

C533

C534

D100

D101

D102

D103

D300

D500

D501

D503

D504

D505

D507

D508

EP10

EP11

EP12

EP16

EP18

IC2

IC100

IC102

IC103

IC450

IC451

IC452

IC454

J2

J3

J500

L100

L101

Q1

Q100

Q102

Q200

Q300

Q301

Q302

Q350

Q500

Q501

Q502

Q503

Q504

Q505

Q507

Q508

Q509

Q510

R6

R17

R31

R33

R34

R36

R41

R42

R43

R44

R49

R50

R51

R52

R53

R54

R55

R62

R63

R65

R100

R103

R104

R111

R300

R301

R302

R303

R304

R305

R306

R307

R308

R309

R310

R311

R312

R313

R314

R316

R317

R320

R323

R325

R350

R351

R401

R402

R403

R405

R408

R409

R500

R501

R502

R503

R504

R505

R506

R507

R508

R514

R515

R523

R524

R525

R526

R527

R528

R529

R530

R531

R538

R545

R546

R552

R555

S6

S9

S9

S10

X1

B7332B

H0

H5

H10

H15

H20

H25

H30

H35

H40

H45

H50

H55

H60

H65

H70

H75

V0

V5

V10

V15

V20

V25

V30

V35

V40

V45

V50

Summary of Contents for IC-R6

Page 1: ...S 14622XZ C1 Feb 2010 COMMUNICATIONS RECEIVER...

Page 2: ...oints when ordering replacement parts 1 10 digit Icom part number 2 Component name 3 Equipment model name and unit name 4 Quantity required ORDER EXAMPLE 1110007300 NJM2552V IC R6 RF UNIT 2 pieces 821...

Page 3: ...OGIC UNIT 4 3 4 3 FREQUENCY SYNTHESIZER CIRCUITS RF UNIT 4 3 4 4 VOLTAGE BLOCK DIAGRAMS 4 4 4 5 CPU PORT ALLOCATION 4 4 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 FREQUENCY ADJUSTMENT 5 2...

Page 4: ...batteries Receive system Triple conversion superheterodyne Intermediate frequencies 1st 266 7 MHz 2nd 19 65 MHz FM AM 19 95 MHz WFM 3rd 450 kHz FM AM 750 kHz WFM Sensitivity except spurious points FM...

Page 5: ...2 1 SECTION 2 INSIDE VIEWS LOGIC UNIT TOP VIEW VOLTAGE LIMITER D511 TONE FILTER IC200 CPU IC1 IFV LINE SW Q104 LOGIC3 3V REGULATOR Q103 5 V REGULATOR IC455 3 V REGULATOR IC104 RESET IC3...

Page 6: ...FILTER Q301 AF PRE AMP Q300 CI V LEVEL CONVERTER IC452 SPEAKER MUTE SW Q507 3S LINE REGULATOR Q102 REGULATOR FOR AF AMP IC454 AF MUTE SW Q350 EEPROM IC2 AF FILTER CTRL Q508 WIDE NARROW MODE SW Q302 C...

Page 7: ...1 2nd IF MIXER Q523 NOISE AMP IC13 BAR EXTERNA ANTENNA SW Q510 RF AMP Q505 BAR ANTENNA TUNING DIODE D100 ATTENUATOR DRIVER Q521 ATTENUATOR D68 1st IF FILTER FI1 WFM FM MODE SW D56 2nd IF FILTER FI3 1...

Page 8: ...en removing the rear panel SCREW 2 JACK CAP UNSOLDER Solder remover SCREW ANT NUT VOL NUT DIAL KNOB FRONT PANEL SPEAKER Remove with ICOM Driver L2 8960000171 ICOM Driver Q 8960000370 Remove with LOGIC...

Page 9: ...When using the connected earphone as an antenna RX signal from the earphone is applied to the RF circuits except 0 10 1 895 MHz band through the earphone antenna SW D101 and D109 ATTENUATOR CIRCUIT W...

Page 10: ...7 MHz 266 8 1099 695 MHz FM AM 247 050 286 350 MHz 19 650 MHz 1st Lo 2nd Lo 19 950 MHz WFM 246 750 286 650 MHz PLL IC X1 BPF CERAMI C SQ L AMP IF IC SW MODE SW MODE RF UNIT SW AF line From the 2nd IF...

Page 11: ...requency of the VCO output signal to obtain the 1st LO signal with a wide frequency range The DBL1 Q31 D43 and D50 doubles the VCO output signal ranging from 274 85 to 400 MHz and the DBL2 Q31 D44 and...

Page 12: ...CPU clock frequency shift H Clock frequency is shifted O 18 DBL1 Doubler circuit DBL1 Q31 D43 D50 control L While receiving 283 494 2 MHz and 833 1066 7 MHz O 19 AF_FIL AF filter LOGIC UNIT R350 and...

Page 13: ...ion L Squelch close I 120 HVDET The voltage from the external power supply or attached battery pack L Power source detection I 121 PDAUL IC serial data O 122 PSTB IC strobe O 123 PCK IC serial clock O...

Page 14: ...low Standard signal generator SSG Frequency range 100 kHz to 1 2 GHz Output level 20 to 107 dB 127 to 0 dBm Frequency counter Frequency range 0 1 300 MHz Frequency accuracy 0 1 ppm or better Input lev...

Page 15: ...MHz Connect a frequency counter to 2nd LO line on the RF UNIT as illustrated below 247 050 MHz 120 Hz 5 2 FREQUENCY ADJUSTMENT 1 Select an adjustment item using BAND TS 2 Set or modify the adjustment...

Page 16: ...1th scale of the signal strength indicator on the IC R6 LCD disappears 3 Push V M when the 11th scale just disappears Push V M the 11th scale is just disappeared 1 620 MHz 2 Frequency 1 620 MHz Receiv...

Page 17: ...118 100 MHz Level 0 dB 107 dBm Modulation None Push V M 2 Frequency 174 900 MHz Receiving Set the SSG as Frequency 174 900 MHz Level 0 dB 107 dBm Modulation None UHF SENSITIVITY 1 Frequency 330 100 MH...

Page 18: ...Hz Receiving Set the SSG as Frequency 145 1 MHz Level 5 dB 102 dBm FM Mode Set the SSG as Level 6 dB 113 dBm 200 MHz band WFM Mode 3 Frequency 200 1 MHz Receiving Set the SSG as Frequency 200 1 MHz Le...

Page 19: ...1790001261 S DIO MA2S077G0L B 14 8 8 8 D109 1750001910 S DIO HVD144AKRF E B 16 8 39 5 REF PARTS DESCRIPTION M H V NO NO LOCATION RF UNIT M Mounted side T Mounted on the Top side B Mounted on the Bott...

Page 20: ...ES ERJ2GEJ 103 X 10K T 3 4 30 4 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount REF PARTS DESCRIPTION M H V NO NO LOCATION RF UNIT R240 7030005120 S RES ERJ2GEJ 1...

Page 21: ...C266 4030017560 S CER C1005 CH 1H 2R5B T B 16 1 19 7 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount REF PARTS DESCRIPTION M H V NO NO LOCATION RF UNIT C267 4030...

Page 22: ...001391 S FET 2SJ144 Y TE85R F B 17 6 20 9 Q500 1590002950 S FET HAT1023R EL B 41 5 46 8 Q501 1520000460 S TRA 2SB1132 T100 R B 40 6 41 6 Q502 1590004070 S TRA LDTC144EET1G SLVJ B 34 3 37 6 Q503 151000...

Page 23: ...1K B 38 5 38 4 R531 7030008290 S RES ERJ2GEJ 183 X 18K B 19 1 44 4 R532 7030005040 S RES ERJ2GEJ 472 X 4 7K T 27 7 43 5 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface...

Page 24: ...CER C1005 JB 0J 105K T T 30 7 25 5 C524 4030018860 S CER C1005 JB 0J 105K T B 26 23 4 C525 4030017460 S CER C1005 JB 1H 102K T T 75 9 48 6 C526 4030017460 S CER C1005 JB 1H 102K T T 19 2 4 5 C528 403...

Page 25: ...0 1 EP4 8930058920 SRCN 2605 SP N W 1 MP2 8510014830 2605 SHIELD CASE 1 MP3 8930080530 3250 LCD HOLDER 1 MP4 8810009181 0TAP 1FLAT WASHER B0 2X5 NI ZC3 BT 2 MP5 8510019670 3250 LOGIC SHIELD 1 MP6 8510...

Page 26: ...1 C S6 L MP20 C MP8 C MP2 L MP9 L MP10 L MP7 L J500 L MP5 L W1 L MP19 C MP22 C MP24 C 2 MP23 C 2 MP22 C 2 MP4 L 2 MP2 R 3 MP5 R RF UNIT MP2 R 3 MP24 C 2 MP11 R MP16 R LOGIC UNIT EP2 R MP15 R MP14 R MP...

Page 27: ...34 C136 C141 C142 C147 C148 C150 C169 C171 C172 C176 C201 C203 C206 C210 C216 C218 C221 C234 C237 C239 C246 C248 C256 C258 C259 C410 C414 C423 C425 C431 C432 C434 C435 C436 C501 C503 C504 C505 C516 C5...

Page 28: ...R78 R93 R100 R101 R120 R121 R128 R129 R130 R131 R132 R133 R134 R135 R147 R151 R152 R154 R159 R204 R205 R207 R208 R209 R210 R215 R241 R247 R319 R320 R323 R324 R325 R326 R332 R334 R347 R358 R359 R360 R...

Page 29: ...59 MA2S077 FI3 FL 293 D 60 MA2S077 D 61 MA2S077 Q5 2SC5006 IC12 NJM2552 D56 MA3S132 D 55 MA3S132 FI2 LTM450 D52 HVD144 D50 HVD144 D47 HVD144 Q31 FH102 Q31 FH102 D42 MA2S077 D43 MA2S077 D44 MA2S077 Q 4...

Page 30: ...D100 1SS372 Q100 2SC4738 IC100 TC7W04 D101 1SS372 D102 1SS372 D103 1SS372 DS1 IC2 R1EX24256 IC1 UPD78F1508GF 3V IC104 NJU7775F03 REG 3 3CPU I C454 NJU7775F3 2 IC450 TS4990 IC451 SM6451 AMUTE Q350 2SJ1...

Page 31: ...0 001 C9 0 001 C7 R13 1k 0 001 C8 R11 1k 0 001 C5 R12 1k 0 001 C6 R6 R7 0 001 C526 0 R548 100k R549 100k R550 18k R505 CP10S CP5 CP10S CP6 0 5P C53 R16 470k MMZ1005Y102CT EP17 R39 1k 3 9k R103 0 1 C52...

Page 32: ...EN 2 VOUT 3 FB 4 LBO 5 GND 6 VBAT 7 LBI 8 PS 9 SW 10 PGND 11 4 7k R532 47k R533 CP10S CP3 CP10S CP4 M PZ1608S221 A EP14 0 001 C525 M PZ1608S221 A EP15 VFY1111C DS2 VFY1111C DS3 120 R59 120 R542 RB551...

Page 33: ...MA2S077G0 D64 MA2S077G0 D70 MA2S077G0 D76 33N L2 22N L10 33N L9 47N L15 12N L53 12N L54 10N L55 5 6N L8 5 6N L13 5 6N L42 4 7N L43 4 7N L44 6 8N L56 47N L74 0 1U L41 100U L90 680P C657 390P C666 0 001...

Page 34: ...4738 Q518 0 001 C264 1k R121 47 R347 220k R36 180 R62 2SC5006 Q5 1k R34 0 001 C73 470 R196 180k R198 2SC5006 Q523 100k R356 0 001 C432 2 2k R219 220 R348 3P C435 1k R203 2SC5006 Q525 0 001 C697 MA2S07...

Page 35: ...454 7619 Glenwood 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...

Page 36: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14622XZ C1 2010 Icom Inc...

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