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Icom IC-R6 Service Manual Download Page 34

10 - 4

*:

 Refer to the PARTS LIST for the value and name of component.

   RF UNIT (2/2)

0.001

C237

470

R56

100k

R40

0.001

C74

0.001

C95

100

R4 2

0 .01

C431

2.7U

L73

15

R320

47P

C89

5P

C155

2.7k

R156

0.22

C242

0.001

C102

15k

R172

22k

R66

330

R1

15k

R46

47P

C87

47P

C554

10k

R204

2P

C510

10N

L45

1k

R154

0.33 SVSP

C78

0.001

C75

100

R41

8P

C252

4P

C251

0.01

C668

10P

C154

22P

C427

3.3U

L17

0.001

C258

0.1

C201

0.01

C96

10k

R49

0.01

C18

10k

R103

10k

R208

0.001

C209

1 MSVA

C423

0.001

C84

0.1

C106

0.00 1

C256

MA6S718

D20

390

R64

10k

R207

0.1

C202

220

R202

47P

C80

47P

C208

0.22

C108

0.01

C239

4.7k

R120

47P

C88

10k

R174

15k

R35

0.001

C79

0.01

C103

0.1

C203

0.22

C107

0.22

C241

0.01

C90

0.01

C430

0.001

C94

10k

R205

47k

R335

0.01

C221

M A6S718

D21

220

R197

0.01

C92

8P

C250

100

R43

0.001

C81

0.1

C434

15

R319

10k

R50

XP4312

Q46

1

2

3

4

5

6

2SK880

Q2

FH102A

Q6

1

2

3

4

5

6

2SC4117

Q45

1SV305

D17

MA2S077G0

D60

MA2S077G0

D58

MA2S077G0

D59

MA2S077G0

D61

MA2S1110G

D53

22N

L69

47N

L20

5.6N

L80

10

C82

39P

C207

10

C659

J1

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16
17
18
19
20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

0.01

C680

0.01

C681

LTM450FW

FI2

I    O

0.

1

C86

0.01

C85

10P

C682

680

R55

470P

C93

82P

C1

NJM2552V

IC12

1

OSC[B]

2

OSC[E]

3

MIX_OUT

4

GND

5

AM_IF_IN

6

AM_DEC

7

FM_IF_IN

8

FM_DEC

9

FM_IF_OUT

10

QUAD_IN

11

FM_AM_OUT

12

AMP_IN

13

AMP_OUT

14

AM_AF_OUT

15

AM_SW

16

RSSI_OUT

17

RF_AGC_OU T

18

AM_AGC_IN

19

V+

20

MIX_IN

0.1

C683

0.1

C684

22k

R337

22k

R338

10

C685

0.0033

C686

0.01

C687

0.01

C688

0.01

C689

1

C690

1k

R341

100k

R342

47k

R343

100k

R344

470k

R345

1k

R346

LMV321IDCK

IC13

1

2

3

4

5

4.

7

C691

100

R349

UNR9114G0

Q520

TC7W53FU

IC14

1

COM

2

INH

3

VEE

4

GND

5

A

6

CH1

7

CH0

8

VCC

0.1

C693

MB15F63UL

IC3

1

VPIF

2

D OIF

3

GND

4

SW

5

DORF

6

VPRF

7

LD/FOUT

8

PSRF

9

GND

10

XFINRF

11

FINRF

12

VCCRF

13

LE

14

DATA

15

CLOCK

16

VCCIF

17

OSCIN

18

XFINIF

19

FINI

F

20

PSIF

330

R37

820

R5

10

R187

4.7

C654

0.001

C2

0.001

C259

100

R67

J

TBM450CX24

X2

DA221

D103

MA3J7420GL

D104

0 .01

C246

2SC4738

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

MA2S077G0

D106

4.7k

R358

2.7k

R359

0.001

C698

1k

R360

47k

R361

0.001

C701

56k

R366

0.001

C707

270

R368

22

C708

47

R370

0.47U

L98

M A3S132EG

D55

M A3S132EG

D56

MA2S7280G

D62

18P

C695

2SC5006

Q43

Q501

UNR9114G0

XP1114

Q502

1

2

3

4

5

XP1114

Q503

1

2

3

4

5

XP1113

Q516

1

2

3

4

5

8P

C710

2.2U

L93

BU2092FV

IC17

1

VSS

2

DATA

3

CLK

4

LCK

5

Q0

6

Q1

7

Q2

8

Q3

9

Q4

10

Q5

11

Q6

12

NC

13

NC

14

Q7

15

Q8

16

Q9

17

Q10

18

Q11

19

QE

20

VDD

0.1

C712

470k

R63

2SC4738

Q37

100k

R378

100k

R382

CP9

0.001

C424

0.47U

L77

120P

C507

12P

C715

10k

R159

0.01

C719

0.1U

L110

CR-900

X1

1

VCONT

2

GND

3

OUT

4

VCC

470

R38

3.3k

R351

3.5P

C425

3.3k

R384

47P

C101

2P

C720

33N

L111

2P

C721

3.3k

R65

6.8k

R200

8 .2k

R201

100

R369

150

R39

2.2k

R59

470k

R60

220

R54

10k

R339

1.5k

R209

100U

L21

33k

R386

56

R387

120

R321

TC7S04FU

IC19

1
2
3

4

5

100k

R389

FL-293

FI3

1

2

3

4

1SV286

D105

120

R390

120

R391

6.8k

R392

6 .8k

R393

2SC5006

Q529

0.15 SVA

C1050.15 SVA

C248

0.022

C210

220P

C98

10P

C730

220P

C99

10k

R61

33k

R57

560

R394

N TCG10

R395

L QW18AN8N2D00

L95

LQW18AN5N6C00

L94

12P

C714

0.001

C725

0.001

C726

0.001

C724

2P

C727

1.5P

C728

0.75P

C729

LDTC144EE

Q 526

Q41

LDTC144EE

LDTC144EE

Q519

2SC5108

Q528

1P

C676

*C160

100P

C673

1

C501

1

C713

1

C503

1

C504

1

C505

0.1

C738

22k

R199

39P

C739

PDAU L

PCK

PSTB

800MC

GC

300M2V

VHF2V

G2V

800M2V

DBL2
D BL1

SHIFT

+3S

VP

+2S

300MC

UHFC

VHFC

TRAC

VP

RSSI

NOISE

FSET

+3V

PSTB

PCK

PDAUL

PPS

WFM

IF

V

+3S

+2S

LOGIC3.3V

IOCK
IOSTB
IOEN
IODATA

IODAT A

IOCK

IOSTB

800MC

ATT

NOISE

GC

AGCC

B1C

B2C

WFM

B3C

UHFC

VHFC

300MC

AM

LOGIC3.3V

IOEN

UHF2V

PPS

+3S

+2S

+3S

R SSI

IFV

IF

V

FSET

+3V

+3S

+3S

AGCC

AM

IFV

ANTSW

+3S

SHIFT

WFM

+3S

DET

DET

DATA
CLK
ENB

DORF

DOIF

EAR ANT
to logic unit

1st_LV

3rd-LO

1st-LO

1 st-IF

F-AG C

VHF-AGC
UHF-AGC

800-AGC
300-AGC
G-AGC

  EAR

2nd_LV

1 . 7 1 V

1 . 7 1 V

1 . 7 0 V

1 . 7 1V

1 . 7 1 V

1 . 7 0 V

O N : 0 . 0 3 V
O F F : 2 . 4 1 V

0 . 7 4 V

2 . 6 5 V

0 . 9 1 V

0 . 7 4 V

2 . 0 5 V

0 . 7 0 V

2 . 8 5 V

1 . 4 7 V

0 . 7 1 V

2 . 2 1 V

2 . 2 0 V

2 . 8 4 V

1 . 4 3 V

0 . 7 4 V

A M : 0 . 0 1 V

A M : 2 . 8 8 V

W F M : 0 . 0 5 V

W F M : 2 . 8 0 V

2 . 9 2 V

2 . 0 8 V

3 . 1 6 V

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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