Icom IC-R6 Service Manual Download

Page: 33 / 36

10 - 3

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

RF UNIT (1/2)

47k

R16

0.001

C548

47k

R229

2.5P

10P

C139

470P

10P

C35

C39

47P

C175

470P

C52

180P

C517

0.001

C188

3.5P

C206

33P

C511

3.9U

L91

0.001

C70

470P

C138

0.01

C141

27P

C13

0.039

C526

330

R221

10k

R128

0.1

C521

0.1

C664

C23

4.7k

R135

100

R228

0.1

C675

0.001

C32

0.001

C535

0.001

C214

12P

C216

0.1

C663

C196

0.001

C171

3.3U

L89

0.001

C142

0.1

C662

1.5P

C10

0.001

C233

100

R247

180P

C531

27P

C416

XP4601

Q513

0.001

C518

0.47U

L86

0.001

C571

0.001

C560

R99

3.3k

R224

47P

C12

0.001

C669

220P

C516

0.1

C536

R241

0.10U

L70

82P

C527

47k

R11

3.3U

L88

0.001

C170

33P

C512

0 .01

C566

100P

C665

0.01

C44

15k

R13

15k

0.001

C561

0.001

C236

6.8k

R14

0.39U

L92

330

0.0015

C523

10P

C36

0.001

C58

0.68U

L87

0.33U

L82

0.27U

L81

47k

R15

47P

C568

0.1

C567

0.001

C27

2.2k

R226

22P

C11

15P

C40

10k

R230

27P

C199

33P

C33

0.001

C14

330P

C530

R240

100P

C515

0.1

C539

0.001

C30

2.2k

R222

47P

C176

3.9U

L85

2.2k

R225

C198

C21

0.01
C522

1.5P

C195

18P

0.1

C532

2.2k

R223

0 .01

C524

0.001

C167

R151

120

150P

C529

0.001

C168

3.5P

C42

0.001

C16

0.0022

C658

4.7k

R133

C22

22k

R245

0.47U

L83

82P

C513

0.1

C569

330P

C534

0.0015

C519

22k

R131

0.1

C153

47k

R10

C190

C218

0.001

C172

33P

C20

0.001

C54

0.001

C186

0.001

C410

120

R93

C436

0.001

C414

150P

C514

R147

R105

100P

C43

6.8k

C41

27P

C528

C197

470P

C148

0.47U

L84

0.001

C150

2.5P

C147

0.001

C234

C50

33P

C67

R220

120

R20

0.1

C538

0.1

C537

12P

C19

0 .01

C520

C51

0.1

C542

0.001

C119

0.001

C28

0.01

C525

470P

C145

0.001

C169

R137

FI1
EFCH266MKQP1

I O

UPC2757TB

IC1

RFI

GND

VCC

IFO

XP1113

Q504

UMD6

Q510

UMD6

Q514

CP3

CP5
CP10S

CP6

CP10S

CP7

CP10S

FH102A

Q31

2SC5231A

Q36

2SC4215

Q 505

MA2S077G0

D43

MA2S077G0

D42

MA2S077G0

D44

MA2S077G0

D65

MA2S077G0

D67

MA2S077G0

D63

MA2S077G0

D66

MA2S077G0

D64

MA2S077G0

D70

MA2S077G0

D76

33N

22N

L10

33N

47N

L15

12N

L53

12N

L54

10N

L55

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

C549

C543

0.001

C558

R237

R232

1SV172F

D68

4.7k

R134

390

R130

4.7k

R152

2SC5008

Q35

6.8N

L61

6.8N

L60

HVU350B

0.001

C134

120

R88

R371

2SC5008

Q14

HVU350B

56N

L28

0.22U

L100

C69

C243

120

R78

0.001

C118

1.5P

C15

R372

15k

R110

15k

R106

15k

R19

15k

R18

2SC5277A

Q24

2SC5277A

Q26

MA3S132EG

D31

27N

R250

0.01

C672

10k

R334

0.001

C55

4.7k

R332

47k

R330

180k

R329

MA2S1110G

D54

CP8

CP10S

C699

100k

R243

XP1114

Q33

0.47U

L102

0.47U

L101

0.47U

L103

0.47U

L104

0.47U

L105

0.47U

L106

0.47U

L107

R231

0.47U

L108

0.47U

L109

15k

R100

15k

R101

R373

10k

R374

10k

R375

0.1

C711

3.3k

R376

2SA1832

Q527

100k

R379

100k

R380

100k

R381

MMZ1005Y102CT

EP3

1.5P

C716

6.8N

L51

82k

R383

D100

SVC389

3.9k

R385

39N

L39

0.001

C722

22N

0.001

C550

C59

12P

C136

0.47U

L99

47N

L57

LQW18AN56NG00

L58

LQW18AN56NG00

L59

15N

L14

HVD144A

D109

HVD144A

D25

HVD144A

D75

HVD144A

D74

HVD144A

D101

HVD144A

D73

HVD144A

D72

HVD144A

D13

HVD144A

D29

HVD144A

D32

HVD144A

D34

HVD144A

D11

HVD144A

D36

HVD144A

D71

C121

120

R323

R324

R326

100

R325

UPC2746TB

IC18

GND

OUT

GND

VCC

C723

HVD144A

D52

HVD144A

D50

HVD144A

D47

Q506

LDTA144EE

Q521

*L50

6.8N

L76

3.5P

C71

*C37

*C45

*C46

*C49

*C47

*C48

*C191

*C192

*C193

*C194

*L11

*L12

*L40

*L52

R129

*R132

*R210

*R215

2.5P

C266

C267

C731

0.01

C541

C732

C733

C734

C735

C736

C737

C562

R236

+2S

ANTSW

300M2V

TRAC

+3S

G2V

+2S
ATT

TRAC

ANTSW

B1C

+3S

B2C

+3S

B3C

DBL1

+2S

DBL2

+3S

VHF2V

UHF2V

800M2V

Ext.ANT

Bar ANT

EP2

HF AGC

1ST_LO

1st-LO

1st-IF

H F-AG CH

VHF-AGC
UHF-AGC

800-AGC
300-AGC
G-AGC

EAR

0 . 0 8 V

0 . 0 7 V

0 . 4 0 V

1 . 7 0 V

O F F : 1 . 3 0 V

O N : 0 . 6 3V

O F F : 0 . 0 3 V

O N : 2 . 7 2 V

O N : 1 . 6 6 V
O F F : 0 . 0 0 V

1 . 7 0 V

O F F : 3 . 2 4 V

O N : 0 . 0 8V

1 3 . 2 V

2 . 8 4 V

0 . 4 7 V

2 . 8 4 V

1 . 7 1 V

1 . 1 2 V

1 . 5 2 V

1 . 0 7 V

1 . 7 0 V

1 . 1 3 V

1 . 7 1 V

1 . 1 0 V

1 . 6 3 V

1 . 0 9 V

1 . 6 1 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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Icom IC-R6, Service Manual

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