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10 - 1

 

SECTION 10. VOLTAGE 

DIAGRAM

*:

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

   LOGIC UNIT (1/2)

120k

R52

2.2 MSVA

C114

0.001

C34

0.1

C2

150k

R50

0.001

C35

120k

R53

0.001

C46

0.1

C116

390k

R49

0.001

C120

0.01

C43

0.22

C115

68P

C100

0.001

C47

0.001

C48

10k

R55

0.001

C49

0.001

C30

MMZ1608Y121BT

EP11

MMZ1608Y121BT

EP10

R3112N281A

IC3

1

OUT

2

VDD

3

VSS

4

NC

5

CD

TC7W04FU

IC100

1
2
3
4

5

6

7

8

R21

1k

R23

1k

R22

1k

R33

1k

R36

1k

R34

1k

R31

1k

R42

1k

R44

1k

R43

1k

TP90N00E20

S6

1

COM

2

A

3

B

KEY

S1

KEY

S2

KEY

S3

KEY

S4

KEY

S5

[MODE]

S7

[PWR]

S8

1SS372

D103

1SS372

D102

1SS372

D100

1SS372

D101

330k

R51

TC7W04FU

IC452

1
2
3
4

5

6

7

8

2SA1832

Q503

2SC4738

Q504

10k

R503

18k

R504

47k

R506

100k

R508

100k

R507

1SS400

D504

BLM15BD102SN1

EP1

BLM15BD102SN1

EP2

BLM15BD102SN1

EP16

10

R523

0.

1

C51

R1EX24256ASA00A

IC2

1

A0

2

A1

3

A2

4

VSS

5

SDA

6

SCL

7

WP

8

VCC

220k

R401

100k

R409

470k

R104

NJU7775F32

I

C454

1

VI

N

2

GND

3

CTRL

4

NC

5

VOUT

470k

R524

390k

R525

10 MSVA

C451

1k

R111

2SA1832

Q102

1

C103

1

C106

1

C108

1

C110

1

C101

1

C104

1

C107

1

C109

2.

2

C113

2SC4738
Q100

0.047

C515

470k

R526

0

R527

1SS400

D505

R41

47k

10k

R100

1

C403

0.

1

C510

10U

L101

0. 1

C402

0.001

C28

R538

33k

18P

C12

1

C518

0.001

C40

10k

R56

SSM3K01T

Q507

UPD78F1508GF

IC1

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

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99

100
101
102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

R8

47k

R9

47k

J2

1

C521

1

C522

1

C523

1

C524

SW-149

S9

[FUNC]

100

R24

0.001

C31

0.001

C29

100

R25

0

R17

CSTCE12M2G52

X1

R19
47k

10k

R543

10k

R544

JPM1990

S10

1k

R509

1k

R400

*R3 *R5

*R4

*R2

0.001

C10

0.001

C11

R14

1k

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

MMZ1005Y102C T
EP17

R39

1k

3.9k

R103

0.

1

C528

100k

R54

100k

R545

100k

R546

R15

47k

15k

R512

4P

C529

0.01

C13

330k

R556

150k

R403

0.1 SVA

C458

Q1

LDTC144EE

LDTC144EE

Q511

33

C453

470

R551

TAK-35455

DS1

1

C

OM0

2

C

OM1

3

C

OM2

4

C

OM3

5

SEG0

6

SEG1

7

SEG2

8

SEG3

9

SEG4

10

SEG5

11

SEG6

12

SEG7

13

SEG8

14

SEG9

15

SEG10

16

SEG11

17

SEG12

18

SEG13

19

SEG14

20

SEG15

21

SEG16

22

SEG17

23

SEG18

24

SEG19

25

SEG20

26

SEG21

27

SEG22

28

SEG23

29

SEG24

30

SEG25

31

SEG26

32

SEG27

33

SEG28

34

SEG29

35

SEG30

36

SEG31

37

SEG32

38

SEG33

39

SEG34

40

SEG35

41

SEG36

100

C452

100

C534

0

R552

TS4990IST

IC450

1

STANDBY

2

BYPAS S

3

VIN+

4

VIN-

5

VOUT1

6

VCC

7

GND

8

VOUT2

2.2k

R553

MMZ1005Y102C

T

EP19

MMZ1005Y102C

T

EP20

MMZ1005Y102C

T

EP21

MMZ1005Y102CT

EP22

COM0

COM1

COM2

COM3

SEG0

SEG1

SEG2

SEG3

SEG4

SEG5

SEG6

SEG7

SEG8

SEG9

SEG10

SEG11

SEG12

SEG13

SEG14

SEG15

SEG16

SEG17

SEG18

SEG36

SEG35

SEG34

SEG33

SEG32

SEG31

SEG28

DCK

DUD

SHIFT

DBL1

DBL2

CHGC

NOISE

BEEP

PCON

AMUTE

TCON

FSET
TRAC

MODE

P

OWE

R

VP

TCON

AMUT E

BEEP

K2

K1

ESIO
ECK

PCON

+3SC

ATT

SEG19

SEG20

SEG21

SEG22

SEG23

SEG24

SEG25

SEG26

SEG27

SEG29

SEG30

IOSTB

IOEN

IODATA

RESET

SEG9

SEG22

SEG10

COM0

SEG11

COM1

SEG13

SEG12

COM2

SEG14

SEG15

SEG16

SEG17

COM3

SEG4

SEG27

SEG1

SEG5

SEG28

SEG2

SEG6

SEG23

SEG29

SEG3

SEG7

SEG24

SEG30

SEG8

SEG25

SEG32

SEG31

SEG36

SEG26

SEG33

SEG35

SEG34

SEG0

SEG18

SEG19

SEG20

SEG21

AF_FIL

LIGHT

AFON

HVDET

POWE

R

CLOUT

TOOL1

TOOL0

TOOL0

TOOL1

FLMD0

IOCK

+3SC

CLIN

SQ

L

PDAUL

PSTB

PCK

PPS

IFCON

MODE

B2

B3

B1

VSC

VI

N

K2

RSSI

CTONE

K1

RTONE

RXF1

RXF0

VR_DATA

VR_CLK

TEMP

VR_STB

DCK

DUD

B0

SQ

L

SQ

L

FUNC

FUNC

CHGS

Ph_CON

ECK

ESIO

RESET

TEST2
TEST1

F

UNC

+3.3CPU

+3.3CPU

+3.3CPU

CLS

A

FSE

L

AFON

VP

CKOUT

SP-OUT2

SP-OUT1

LOGIC3.3V

+3S

AFON

SPV

EBUSY

EXT-SP

INT-SP

O N : 0 . 5 3
O F F : 0 . 0 1 V

3 . 3 3 V

3 . 3 3 V

3 . 3 3 V

O N : 3 . 3 2
O F F : 0 . 0 0 V

V

1 5 . 0 V

1 5 . 5 V

1 2 . 5 V

9 . 3 9 V

6 . 3 3 V

3 . 2 6 V

4 . 7 7 V

7 . 8 1 V

1 0 . 9 V

1 3 . 7 V

1 5 . 5 V

3 . 2 6 V

3 . 2 3 V

V

2.99V

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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