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Icom IC-F1721D, Service Manual

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Icom IC-F1721D Service Manual Download Page 46

COMMON LINE

GPS

LPF

IC37
TA75S01F

C417
0.1

HV

R332
10k

C482
0.001

C474
47p

C455
0.001

Q39
DTC144EU

Q38
DTC144EU

C453
0.001

C423
0.1

C452
0.001

C424
0.1

R336
10k
R337
47

R335
1k

R307
1M

R334
100k

R333
1M

D39
MA2S111

Q33
2SJ144

C395
10

R301
100k

R306
68k

R302
68k

C485
0.001

C477
470

C475
47p

C476
0.001

R360
10k

R372
300k

R373
100k

C459
470

C457
0.1

R359
3.3k

R339
6.8k

R338
6.8k

C429
10

Q34
2SD1664

Q35
DTC114TU

C422
0.001

D37
DA221

C430
0.1

C428
10

C397
0.001

R311
10k

R310
4.7k

Q30
2SA1577

C398
0.001

C396
10

Q27
DTC144EU

Q32
XP6501

1

2

3

4

5

6

R308
22k

R309
22k

C400
0.001

C399
10

C454
0.001

R361
470

Q41
DTC144EU

C478
0.1

C458
10

C460
0.1

R312
4.7k

C387
0.001

C420
1

C418
1

C421
1

C419
1

R305
1k

C394
0.1

C393
4.7

IC36
TA7808F

I

O

G

IC40
AN78L05M

I

O

G

Q42
2SJ377

L41
4.7

µ

H

R371
10k

R374
10k

Q40
DTC144EU

EP7

EP8

CP21

CP24

CP25

CP27

CP28

J8

1
2
3
4
5
6
7
8
9
10
11

12

13

IC35
DS14C232TM

1

C1+

2

V+

3

C1–

4

C2+

5

C2–

6

V–

7

DOUT2

8

RIN2

9

ROUT2

10

DIN2

11

DIN1

12

ROUT1

13

RIN1

14

DOUT1

15

GND

16

VCC

Q44
DTC363EK

R377
10k

D49
MA2S111

C486
0.47

R391
100k

R378
22

D46
DSA3A1

D57
DA204U

D58
DA204U

D59
DA204U

D60
DA204U

Q31
2SB1132

R419
10k

R420
47k

R436
47k

CP41

CP42

CP43

CP43

CP44

CP44

CP45

CP46

CP52

CP53

R439
1k

R440
1k

DC cable
OPC-1414

W3

D66
DA204U

D67
DA204U

CP55

CP56

CP56

25 pin 
CONNECTOR

J13

8

10

1

2

3

4

5

6

7

8

9

10

C366
10

DIM

HORN

DISC

F

SIG

SIGO

PWR

T8V

BATV

EPTT

PGI1

PGI3

PGO1

R8V

PA

2

CPU5

CPU5

IGSW

TXD

TXC

TMUT

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

HV

PGI2

D48
DAN202K

D44
DAN202K

D47
DAN202K

R370
100k

CTS

TXD

RXD

RXD

ARXD

CTSI

XCTS

RTS

MD2

TXD2

RXD2

C_RES

TXD

RXD

RDAT

RCK

MD1

MD1

ARES

ARES

ARES

MD1

MD2

GND

C_RES

RXD2

TXD2

ARES

MD1

MD2

C_RES

RXD2

TXD2

A

TXD

XR

TS

8V

8V

8V

8V

Q43
DTC144EU

J7

1
2
3
4
5
6
7
8
9

10

NTXD
NRXO

PG02

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

RCK

CTS

RTS
RDAT
RXD

TXD

HANG
MMUT

BUSY

VCC

3VA

MD1

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

C83
0.001

C84
0.001

R57
47k

R58
100k

C82
0.1

C72
0.001

CP9

C85
4p

R431
22k

R432
3.3k

R433
6.8k

C522
1

C523
1

R430
3.9k

C525
0.0047

L4
18nH

D3
MA77

D5
MA77

R81 4.7k

R82 4.7k

R83
4.7k

C125
47p

R79
10k

R78
10k

R77
1k

C122
470p

R129
100k

C129
0.001

C162
10

X4 CDBC450CX24

R131
680

R132
100k

C120
0.001

C121
0.1

1

OSCIN

2

OSCOUT

3

MIXOUT

4

VCC

5

IFIN

6

DEC

7

FILOUT

8

FILIN

AFOUT

QUAD

IFOUT

RSSI

N-DET

N-REC

GND

MIXIN

R98
100k

R97
33k

R125
100k

R126
47k

R84
4.7k

C161
0.1

C127
1

C128
0.001

R128
220k

R130
2.7k

C126
3p

C123
8p

C104
8p

C106
3p

C86
3p

R428
1.5k

R80
270

1

2

3

4

5

C124
1

TXC

F

MOD

RL

V

A

TL

V

A

OUT0

L6
3.3

µ

H

C159
3p

C160
3p

D9
HVC376B

D8
HVC376B

L11
10

µ

H

R150
120k

D12
1SV239

L8
10

µ

H

L7
36nH

L14
80nH

L10
67nH

C493
47p

R149
220k

L9
0.47

µ

H

C192
150p

C157
10p

C530
470p

C154
10p

D6
HVC321B

D7
HVC321B

TXC

VCC

OPC-617

DIM

HORN

GND

AFO

GND

DET

GND

IN

GND

PTT

T8V

R8V

HV

CPU5

CPU5

CPU5

5V

8V

CPU5

5V

8V

CPU5

5V

5V

5V

5V

5V

8V

L21
18nH

C260
47p

C256
470p

R212
100k

Q19
2SC5107

R193
100

C242
470p

Q5
DTC144EU

Q4
2SK880

C194
1p

L15
3.3

µ

H

D13
HVC375B

D11
HVC375B

L13
3.3

µ

H

C190
0.001

C226
33p

R178
4.7

R148
3.9k

R175
1.8k

Q12
2SC4226

C221
0.001

C223
470p

C218
33p

R173
JPW

C217
33p

R147
3.9k

R174
1.8k

Q11
2SC4226

C220
0.01

C222
470p

EP6

C240
0.5p

C239
0.75p

C193
0.1

R362
100k

C461
18p

W2

ANT

C431
470p

R340
47

R342
270

R315
47

D40
1SS375

D38
1SS375

C402
15p

C401
470p

R313
270

C389
18p

C388
18p

C374
0.001

D30
UM9401F

[EUR], [USA]

D29
XB15A407

[USA]

L38
1

µ

H

C346
10p

R299
100

C357
47p

C347
22

C325
18p

L33
47nH

C356
470p

C329
470p

C350
0.33

C355
22

C351
0.001

C352
47p

C353
47p

C354
0.001

R363
4.7k

R364
8.2k

R344
15k

R346
10k

R347
100k

R343 150k

R318
220

R316
100

R319
180k

[USA]

C463
0.001

C462
0.001

C438
0.1

R345
10k

C436
1

C434
0.22

C406
0.01

C405
0.001

C392
0.001

C407 0.001

[IC-F1721 series]
[IC-F1821D]

Q36
2SC4116

[USA]

1

2

3

4

5

C435
0.001

C404
0.001

C383
0.3p

D35
1SS375

R303
10k

R317
270k

C382
0.001

C358
10

C333
2.2

C332
47p

R281
330

R294
10k

R293 1.5k

C322
0.001

C324
47p

C290
0.001

C328
0.001

C285
47p

C282
0.001

C280
10p

C281
0.01

R242
47

R251
100

R248
15k

R247
4.7k

R239
68

R238
10k

R243
220

R216
8.2k

R210
100

R237
100

R211
8.2k

C286
0.001

C279
0.001

C259
10p

Q22
2SC5107

C288
0.001

C287
10p

R246
1k

R245
10k

R208
120k

R209
100

C255
0.001

L22
617DB-1327=P3

L23
617DB-1327=P3

D16
HSB88WS

Q14
PMBFJ310

Q13
PMBFJ310

L17
4.7

µ

H

C107
0.1

C87
3p

R85 47

R86
1.5k

R105
470

C130
0.1

C133
100p

C134
0.001

C166
47p

C168
0.001

C163

100p
C164

82p

L18
1

µ

H

C228
0.01

C229
0.001

C230
0.01

R184
22

L19
10

µ

H

C245
2p

C269
0.001

C270
0.001

C271
0.001

C294
0.01

C247
0.001

C292
1

C293
0.001

C291
0.001

C302
0.001

R218
150k

R219
220k

R220
10k

R257
470

R252
100

L31
56nH

R258
270

R253
4.7

R254
100k

R255
10

C303
0.001

C304
47p

C295
0.001

Q24 3SK293

Q6
2SC4215

R151 100

C165
0.001

C199
0.001

C198
0.01

D10
1SS375

R177
1k

R277
220k

R256
18k

R278
4.7k

R280
10k

R279
470k

R283
100k

R282
100k

R284
10k

D31
UM9401F

D28
MA2S728

D27
MA77

C385
30p

L37
56nH

L36
68nH

L32
68nH

C298
22p

C297
0.1

C300
0.001

C296
0.1

C299
0.1

C330
0.1

C335
0.001

C336
0.001

C331
1.5p

C359
6p

Q26
2SK1829

D22 MA2S111

D25
DA221

D24
MA2S111

D23
HVC375B

D26
HVC375B

D17
HVC350B

D18
HVC350B

L28
56nH

C364
6p

C360
0.001

D20
MA77

Q21
2SC5107

C263
0.001

R217
8.2k

L29
82nH

L27
82nH

R215
8.2k

R213
100

C262
0.001

Q20
2SC5107

C167 0.001

C153
220p

C155
0.01

C241
0.1

C243
47p

C257
0.001

C289
1p

C284
390p

C377
470p

C378
0.001

C379
0.001

C380
0.001

C381
0.001

C390
0.001

C403
0.001

C433
0.001

D19
MA77

D41
MA2S728

FI5
NFM60R20T152

1

2

3

FI6 NFM60R20T152

1

2

3

FI7 NFM60R20T152

1

2

3

IC12
TA31136FN

9

10

11

12

13

14

15

16

L25
68nH

L35
47nH

L42
47nH

L43
47nH

L44
47nH

Q9
2SC4116

Q17
XP1214

1

2

3

4

5

Q18
DTC144EU

Q23
2SC3356

R127
2.2k

R194
10k

R314
27k

R341
27k

C361
0.001

C362
0.001

R241
4.7k

R276
JPW

R181
150k

R180
100

C201
0.001

C205
0.001

C200
0.01

R375
100

R376
150k

R155
2.2k

L40
47nH

C487
0.1

L12
67nH

C227
12p

C283
22p

C323
18p

L30
82nH

R214
220

C261
18p

L24
33nH

L26
33nH

R99
4.7k

Q10
2SC4215

C334
2p

C301
3p

C345
8p

C373
18p

C375
18p

C391
18p

C432
18p

L39
56nH

C384
8p

C258
10p

C197
33p

R195
270

R197
270

R196
18

C246
18p

C516
18p

C264
33p

R244
470

R422
470

L34
47nH

C326
22p

C517
22p

R383
390k

R182
10

C266
2.5p

C267
22p

C348
10p

C203
15p

R100
390k

C132
100p

C131
100p

R101
6.8k

R425 33k

R103
100k

R104
47k

R102
6.8k

R133
270

Q46
2SC4116

Q47
2SC4116

C188
33p

IC47
TC7S66FU

R179
1k

C224
33p

C225
22p

C156
10

FI4
FL-380
46.350 MHz

1

IN

2

OUT

3

GND

4

GND

5

6

IC29
S-AV32 

[USA]

S-AV33 

[EUR], [GEN]

1

IN

2

VG

G

3

VDD

4

OUT

R154
330

C204
2p

C202
2p

C231
0.001

C196
10p

C219
47p

R176
390

C191
15p

C189
7p

C265
10p

C349
6p

C321
18p

R250
82

R320
PRF18BC4710B1RB

[USA]

D21
RB886G

D68
RB886G

R295
3.9k

RSSI

T1

TMUT

T2

T2

RSSI

DET

SQL

RSSID

DFIL

NOIS

YGR

APC

AGC

RF AMP

MIX

IF AMP

IF

RX VCO

TX VCO

T8V

R8V

R8V

R8V

5V

T8V

T8V

R8V

8V

HV

FWD

REV

R259
270k

IC39
TA8225L

STBY

TJDET

NF2

IN+

PREGND

IN-

NF1

EMGDET

RIP

VCC1

OUT1

BS1

PW

-GND1

PW

-GND2

BS2

OUT2

VCC2

C468
220

C470
220

C443
100

C444
100

C471
1000

R367
1

R368
1

R351
68

R353
68

R350
1k

R355
33k

C448
0.001

R328
10k

C446
0.1

C442
47p

C412
0.1

R349
220k

R354
220k

R325
2.2k

C414
0.01

C469
0.001

IC34
TA75S01F

1

2

3

4

5

R327
100k

R352
3.3k

R366
3.3k

C447
3.3

C415
0.1

R326
33k

C413
0.01

R424
100k

C445
47

C472
0.047

C473
0.047

R329
100k

SIGNAL

HLC

H_OUT2

H_OUT1

H_GND

C495
47p

C496
47p

C497
47p

C505
47p

C499
47p

C500
47p

C501
47p

C503
47p

C504
47p

C508
47p

C509
47p

C498
47p

J11

R414 1k

R406 1k

R409 1k

R411 1k

R407 4.7

R410
4.7

R413 1k
R405 1k
R415 1k

R416 1k

R417 1k

C511
47p

C513
47p

H_OUT2

H_OUT1

H_OUT1

CPU5

MAIN CPU

IC23
HD64F2268TF

1

PM6/SEG31

2

PM5/SEG30

3

PM4/SEG29

4

PM3/SEG28

5

PM2/SEG27

6

PM1/SEG26

7

PM0/SEG25

8

PL7/SEG24

9

PL6/SEG23

10

PL5/SEG22

11

PL4/SEG21

12

CVCC

13

PL3/SEG20

14

VSS

15

PL2/SEG19

16

PL1/SEG18

17

PL0/SEG17

18

PK7/SEG16

19

PK6/SEG15

20

PK5/SEG14

21

PK4/SEG13

22

PK3/SEG12

23

PK2/SEG11

24

PK1/SEG10

25

PK0/SEG9

26

PJ7/WKP7/SEG8

27

PJ6/WKP6/SEG7

28

PJ5/WKP5/SEG6

29

PJ4/WKP4/SEG5

30

PJ3/WKP3/SEG4

31

PJ2/WKP2/SEG3

32

PJ1/WKP1/SEG2

33

PJ0/WKP0/SEG1

34

P10/TIOCA0

35

P11/TIOCB0

36

P12/TIOCC0/TCLKA

37

P13/TIOCD0/TCLKB

38

P14/TIOCA1/IRQ0

39

P15/TIOCB1/TCLKC

40

P16/TIOCA2/IRQ1

41

P17/TIOCB2/TCLKD

42

A

VSS

43

P97/AN9/D

A1

44

P96/AN8/D

A0

45

P47/AN7

46

P46/AN6

47

P45/AN5

48

P44/AN4

49

P43/AN3

50

P42/AN2

51

P41/AN1

52

P40/AN0

53

VREF

54

AVCC

55

PH7/TONED/TMCI4

56

MD1

57

OSC2

58

OSC1

59

RES

60

NMI

61

STBY

62

VCC

63

XTAL

64

VSS

65

EXTAL

66

FWE

67

MD2

68

P77/TXD2

69

P76/RXD2

70

P75/TMO3/SCK2

71

P74/TMO2

72

P73/TMO1

73

P72/TMO0

74

P71/TMRI23/TMCI23

75

P70/TMRI01/TMCI01

76

P30/TXD0

77

P31/RXD0

78

P32/SCK0/SD

A1/IRQ4

79

P33/TXD1/SCL1

80

P34/RXD1/SD

A0

81

P35/SCK1/SCL0/IRQ5

82

PF3/ADTRG/IRQ3

83

C2

84

C1

85

V3

86

V2

87

V1

88

PH3/COM4

89

PH2/COM3

90

PH1/COM2

91

PH0/COM1

92

PN7/SEG40

93

PN6/SEG39

94

PN5/SEG38

95

PN4/SEG37

96

PN3/SEG36

97

PN2/SEG35

98

PN1/SEG34

99

PN0/SEG33

100

PM7/SEG32

R261
100k

C248
0.1

C249
0.1

C250
0.1

R285
1k

C308
0.1

R264
100k

X5
CR-520
19.6608 MHz

R187
12k

R189
12k

R190
12k

R188
10

D15
MA77

C232
0.01

C233
33p

C234
7p

C235
22p

R191
1M

R186
100k

R185
100k

D14 DAN202K

Q15
DTA144EU

R287
1k

R288
1k

R198
100

CP17

R387
100k

R286
100k

R393
100k

R392
47k

IC46
S-80942CNMC

1

OUT

2

VDD

3

VSS

4

NC

5

CD

C515
0.027

R442
100k

R450
100k

UNLK

CDEC

SDEC

BEEP

SENC

DDST

NOIS

OPT3

OPT2

OPT1

MMUT

RMUT

LVIN

BA

TV

CSI

CSO

DDAC

DDSD

NWC

TMUT

TXC

PLST

DAST

DSDA

CCK

CENC0

CENC1

CENC2

XRTS

DUSE

CSFT

TEMP

CSFT

EPTT

PWR

PWON

POSW

PW

ON

ESCL

PMFM

ESD

A

ESDA

ESDA

ARXD

A

TXD

AFON

SCK

DTPD

PGI2

HORN

MFDA

HLC

DASW

PGI3

RSSI

PGO1

PTT

O

B

USY

PTTI

PGO2

MDIO

MSCK

PGI1

DIM

PA

PA

2

SSO

MTCK

NTXD

NRXD

MRDF

IGSW

FMDA

MDIR

MTDT

EXST

EXOE

CIRQ

XCTS

ARES

MD1

CCS

HANG

J10

IC26
HN58X24128FPI

1

A0 2

A1 3

A2 4

VSS

5

SDA

6

SCL

7

WP

8

VCC

R262
10k

R263
100k

C306
0.1

ESCL

ESCL

GND

GND

GND

CPU5

CPU5

CPU5

CPU5

CPU5

CPU5

GPS

1

2

3

4

5

6

5V

TEMP

LVIN

8V

CPORF

FINRF

5V

REF

MIX

IF

FIL

B

A

8V

CPU5

5V

AFO

VCC

MAIN UNIT

VOLTAGE LINE

TX LINE

RX LINE

Explanatory notes

Power OFF: 4.6 V

 ON : 0 V

13.6 V

5.0 V

7.8 V

5.0 V

4.8 V

4.9 V

W 0.7 V

N 1.0 V

6.9 V

TX 0 V
RX 4.9 V

TX 1.6 V
RX 2.6 V

TX 5.0 V
RX 0.2 V

TX 7.9 V
RX 0V

TX 0 V
RX 7.7 V

TX 0.2 V
RX 0.3 V

TX 0 V
RX 5.6 V

TX 0 V
RX 3.9 V

TX 0 V
RX 6.2 V

TX 6.5 V
RX 0 V

TX 0 V
RX 2.8 V

TX 3.0 V
RX 0 V

TX 2.3 V
RX 0 V

6.7 V

6.3 V

7.0 V

TX 4.3 V
RX 0 V

TX 0 V
RX 4.3 V

11 - 4

Summary of Contents for IC-F1721D

Page 1: ...VHF MOBILE TRANSCEIVERS iC f1721 d iC f1710 iC f1821 d iC f1810 SERVICE MANUAL ...

Page 2: ...liquids DO NOT reverse the polarities of the power supply when connecting the transceiver DO NOT apply an RF signal of more than 20 dBm 100mW to the antenna connector This could damage the trans ceiver s front end REPAIR NOTES 1 Make sure a problem is internal before disassembling the transceiver 2 DO NOT open the transceiver until the transceiver is dis connected from its power source 3 DO NOT fo...

Page 3: ...ROCEDURES 5 1 PREPARATION 5 1 5 2 LCD CONTRAST ADJUSTMENT 5 4 5 3 SOFT WARE ADJUSTMENT 5 5 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS AND DISASSEMBLY SECTION 8 SEMI CONDUCTOR INFORMATION SECTION 9 BOARD LAYOUTS 9 1 FRONT A UNIT for IC F1700 series 9 1 9 2 FRONT B UNIT for IC F1800 series 9 1 9 3 MAIN UNIT 9 1 SECTION 10 BLOCK DIAGRAM SECTION 11 VOLTAGE DIAGRAM 11 1 FRONT A UNIT for IC F1700 s...

Page 4: ...IVER Receive system Double conversion superheterodyne system Intermediate frequencies 1st IF 46 35 MHz 2nd IF 450 kHz Sensitivity 0 25 µV 119 dBm typical at 12 dB SINAD USA GEN 4 dBµV emf typical at 20 dB SINAD EUR Adjacent channel selectivity 70 dB min 80 dB typical for Wide and Middle 60 dB min 75 dB typical for Narrow Spurious response 70 dB min 80 dB typical Intermodulation rejection ratio 70 ...

Page 5: ... IC F1721 D F1821 D S AV33 for IC F1710 F1810 DTMF decoder IC6 LC7382M FM IF IC IC12 TA31136FN RF amplifier Q24 3SK293 YGR amplifier Q23 2SC3356 Reference crystal oscillator X2 CR 794 15 3 MHz APC circuit VCO switch circuit Q17 XP1214 Q18 DTC144EU Low pass filter IC1 NJM129024 A D converter IC16 AD7476ARTZ for IC F1721D IC F1821D only Digital DSP IC41 TMS320VC5416PGE120 for IC F1721D IC F1821D onl...

Page 6: ...CD driver IC7 SED1526F0A Reset IC IC2 S 80942CNMC Mic switch IC8 TC4W53F Q3 2SC4116 Q4 DTC114TU Q5 DTC114TU Front CPU IC3 HD64F3687 Reset IC IC2 S 80942CNMC LCD driver IC7 SED1526F0A Mic amplifier IC5 TC75S51F Mic switch IC8 TC4W53F ALC amplifier IC9 AN6123MS Backlight dimmer control Q3 2SC4116 Q4 DTC114TU Q5 DTC114TU Front CPU IC3 HD64F3687 ...

Page 7: ...unit in the direction of the arrow REMOVING THE MAIN UNIT 1 Remove the bushing L w Remove the MAIN unit in the direction of the arrow J1 J6 A B C D D L E F BEFORE REMOVING THE MAIN UNIT 1 Unscrew 8 screws E and remove the shield plate F G H I J K 2 Unscrew 4 screws G and remove the shield cover H 3 Unsolder 3 points I and 5 points J 4 Remove 2 clips K Continue to right above ...

Page 8: ...ed frequency of the 1st IF signal with the PLL output fre quency By changing the PLL frequency only the desired frequency passes through a monolithic filter at the next stage of the 1st mixer The RF signals from the bandpass filter are mixed with the 1st LO signals where come from the RX VCO circuit Q11 D6 D7 via the LO amplifier Q21 and low pass filter L24 C246 C264 at the 1st mixer circuit D16 L...

Page 9: ...uts out AF signals when no RF signals are received By detecting noise components in the AF sig nals the squelch circuit switches the AF amplifier controller Some noise components in the AF signals from the FM IF IC IC12 pin 9 are passed through the D A converter IC8 pins 1 2 The signals are applied to the active filter section in the FM IF IC IC12 pin 8 The active filter section filters and amplif...

Page 10: ...ed at resistors R158 R159 R162 and are then pass through the low pass filter IC9 pins 8 10 The filtered signals are applied to the D A converter IC8 pins 9 10 and are then mixed with the filtered microphone audio signals The mixed signals are applied to the D A converter IC8 pin 3 4 after pass through the low pass filter IC1 pins 4 13 The output signal from D A converter IC8 pin 3 are applied to t...

Page 11: ...switch D19 D20 Then the receive 1st LO Rx signal is applied to the 1st mixer L22 L23 D16 and the transmit Tx signal to the YGR amplifier circuit Q23 A portion of the signal from the buffer amplifier Q20 is fed back to the PLL IC IC4 pin 6 via the doubler circuit Q19 as the comparison signal 4 4 4 4 POWER SUPPLY CIRCUITS Line Description HV The voltage from a DC power supply VCC The same voltage as...

Page 12: ...n 11 is applied to the IF amplifier Q3 and is then amplified at the IF amplifier IC15 pins 1 4 after pass through the bandpass filter FI3 The amplified signal is applied to the DSP IC IC41 via the A D converter IC16 pin 3 The signal is processed at the DSP IC IC41 and is then applied to the LINER CODEC IC IC18 pin 16 to convert into an analog audio signal Output signal from the LINER CODEC IC IC18...

Page 13: ...WON Outputs control signal for the power switch circuit Q41 Q42 Low While power ON 43 SENC Outputs single tone encoder signal Pin number Port name Description 44 BEEP Outputs beep audio signals 45 SDEC Input port for single tone decode signal from the base band IC IC2 pin 21 46 CDEC Input port for CTCSS DTCS signal from the LPF IC1 pin 7 47 ULCK Input port for the PLL unlock signal Low The PLL cir...

Page 14: ...IC30 Pin number Port name Description 1 T1 Outputs the bandpass filters D23 D26 tuning signal 2 T2 Outputs the bandpass filters D17 D18 tuning signal Outputs the TX power control signal which selects TX output power of HIGH LOW1 or LOW2 The output signal is applied to the APC amplifier IC37 pin 1 3 TXLVA Outputs TX VCO lock voltage 4 RXLVA Outputs RX VCO lock voltage 4 6 3 D A CONVERTER MAIN UNIT ...

Page 15: ...om CS F1700 ADJ y After the installation is completed the InstallShield Wiz ard Complete will appear Then click Finish u Eject the CD i Program group CS F1700 ADJ appears in the Programs folder of the start menu and CS F1700 ADJ icon ap pears on the desk top screen BEFORE STARTING SOFTWARE ADJUSTMENT Program the adjustment frequencies into the transceiver using with the CS F1700 before starting th...

Page 16: ...ensitivity automatic NOTE 3 PLL lock voltage for RX automatic 4 PLL lock voltage for TX automatic 5 PLL lock voltage for RX manual 6 PLL lock voltage for TX manual 7 S meter adjustment 8 Digital RSSI 9 Deviation narrow 0 Deviation wide middle 1 Deviation digital 2 DSP frequency 3 Base band frequency 4 2 5 TONE deviation The above values for settings are example only Each transceiver has its own sp...

Page 17: ...F power meter 50 Ω 1 75 W DC power supply 13 6 13 2 V 20 A Frequency counter PC to the MIC connector to an RS 232C port OPC 1122 JIG CABLE RS 232C cable straight IC F1721 D F1710 IC F1821 D F1810 AC millivoltmeter Audio generator Audio generator 300 Hz to 3 kHz AC millivoltmeter MICE MIC PTT PTT switch PTTE Add a jumper wire here OPC 1122 JIG CABLE Electrolytic capacitor 47µF OPC 1122 Cloning cabl...

Page 18: ...T VALUE UNIT LOCATION UNIT ADJUST LCD CONTRAST 1 Operating freq Receiving 155 000 MHz FRON Connecta digital multimeter or an oscillo scope to the check point CONTRAST 2 0 V FRONT R59 CONVENIENT The PLL lock voltage can be adjustment automatically Set the cursor to RX LVA TX LVA and then push ENTER key CONTRAST CHCK POINT R53 CONTRAST ADJUSTMENT FRONT PANEL A FRONT PANEL B ...

Page 19: ...e LVIN item on the CS F1700 ADJ s screen 3 0 4 8 V Verify 4 Transmitting 2 0 3 0 V Verify REFERENCE FREQUENCY REF Operating CH CH 7 Rear panel Loosely couple a frequency counter to the antenna connec tor 174 000000 MHz Connect an RF power meter or 50 Ω dummy load to the antenna connector Transmitting DSP FREQUENCY Dig REF IC F1721D F1821D only Operating CH CH 9 MAIN unit Connect a frequency counte...

Page 20: ...Set a modulation analyzer as HPF LPF De emphasis Detector OFF 20 kHz OFF P P 2 Push P0 while transmitting FM DEVIATION NARROW MOD N C 1 Operating CH CH 4 Rear panel Connect a modulation ana lyzer to the antenna connector through an attenuator 2 10 kHz Connect an audio generator to the MIC connector and set as 1 0 kHz 40 mVrms Set a Modulation analyzer as HPF LPF De emphasis Detector Transmitting O...

Page 21: ...only 2 Operating CH Transmitting CH 12 2 85 kHz Digital MOD Dig H IC F1721D F1821D only 3 Operating CH Transmitting CH 9 2 85 kHz CTCSS DTCS DEVIATION CTCSS DTCS 1 Operating CH CH 5 Rear panel Connect a modulation ana lyzer to the antenna connector through an attenuator 0 70 kHz No audio applied to the MIC connector Set a modulation analyzer as HPF LPF De emphasis Detector Transmitting OFF 20 kHz ...

Page 22: ...and w 2 to perform additional BPF tuning Digital RSSI Dig RSSI IC F1721D F1821D only 1 Operating CH CH 12 Push the ENTER key on the connected computer s keyboard to set Dig RSSI level Connect the SSG to the antenna connec tor and set as Frequency Level Modulation Receiving 136 000 MHz 0 18 µV 122 dBm No modulation S METER RSSI 1 Operating CH CH 13 Push the ENTER key on the connected computer s key...

Page 23: ...25 V 1 2 MΩ B 57 9 33 2 R58 7030003810 S RES ERJ3GEYJ 125 V 1 2 MΩ B 54 2 29 8 R59 7310002820 S TRI RV 158 RH03A3AS5 474 B 55 32 2 R60 7030005240 S RES ERJ2GEJ 473 X 47 kΩ B 14 5 10 7 R61 7030005090 S RES ERJ2GEJ 104 X 100 kΩ B 19 7 8 6 R62 7030004980 S RES ERJ2GEJ 101 X 100 Ω B 21 3 8 6 R63 7030005160 S RES ERJ2GEJ 105 X 1 MΩ B 26 8 4 7 R64 7030005220 S RES ERJ2GEJ 223 X 22 kΩ B 26 5 10 2 R65 703...

Page 24: ...CJ0EB1C103K B 85 4 23 C17 4030016930 S CER ECJ0EB1A104K B 83 8 22 8 C18 4030017420 S CER ECJ0EC1H470J B 103 4 8 2 C28 4030017460 S CER ECJ0EB1E102K B 63 4 24 6 C30 4030016930 S CER ECJ0EB1A104K B 82 6 7 5 C31 4030017460 S CER ECJ0EB1E102K B 92 7 4 5 C33 4030017460 S CER ECJ0EB1E102K B 4 1 16 4 C35 4030017420 S CER ECJ0EC1H470J B 94 7 4 5 C36 4030017460 S CER ECJ0EB1E102K B 21 25 7 C37 4030017420 S...

Page 25: ...16 F1721D F1821D only T 111 30 5 IC21 1130011620 S IC TC7MET374AFK EC F1721D F1821D only B 122 14 IC22 1130003830 S IC TC7S04F TE85R F1721D F1821D only T 120 21 3 IC23 1140010190 S IC HD64F2268TF B 100 3 60 1 IC24 1110005730 S IC S 80928CNMC G8Y T2 F1721D F1821D only T 116 17 5 IC25 1130011600 S IC TC7MET541AFK EC F1721D F1821D only B 122 8 IC26 1140009240 S IC HN58X24128FPI B 80 7 69 7 IC28 11300...

Page 26: ...B 90 4 27 3 L1 6200004660 S COL MLF1608A 1R8K T T 76 4 63 3 L2 6200003540 S COL MLF1608D R22K T B 35 4 27 6 L3 6200004480 S COL MLF1608D R82K T B 30 1 27 6 L4 6200005690 S COL ELJRE 18NG F B 75 57 8 L6 6200007170 S COL MLF1608A 3R3K T T 50 9 55 3 L7 6200008400 S COL 0 35 1 6 6TL 36N T 54 7 56 1 L8 6200003640 S COL MLF1608E 100K T T 50 9 52 7 L9 6200002610 S COL NL 252018T R47J T 66 52 7 L10 620000...

Page 27: ... only B 90 6 20 3 R123 7030009290 S RES ERJ2GEJ 562 X 5 6 kΩ F1721D F1821D only B 85 5 15 R124 7030005040 S RES ERJ2GEJ 472 X 4 7 kΩ F1721D F1821D only B 84 17 3 R125 7030005090 S RES ERJ2GEJ 104 X 100 kΩ T 74 2 42 9 R126 7030005240 S RES ERJ2GEJ 473 X 47 kΩ T 72 4 42 9 R127 7030007290 S RES ERJ2GEJ 222 X 2 2 kΩ B 71 2 45 7 R128 7030005110 S RES ERJ2GEJ 224 X 220 kΩ B 48 7 43 R129 7030005090 S RES...

Page 28: ...005040 S RES ERJ2GEJ 472 X 4 7 kΩ T 27 7 68 R279 7030005170 S RES ERJ2GEJ 474 X 470 kΩ T 26 7 65 6 R280 7030005050 S RES ERJ2GEJ 103 X 10 kΩ T 26 2 64 2 R281 7030007280 S RES ERJ2GEJ 331 X 330 Ω T 64 7 99 7 R282 7030005090 S RES ERJ2GEJ 104 X 100 kΩ B 17 1 62 1 R283 7030005090 S RES ERJ2GEJ 104 X 100 kΩ B 15 62 1 R284 7030005050 S RES ERJ2GEJ 103 X 10 kΩ B 16 6 60 8 R285 7030005120 S RES ERJ2GEJ 1...

Page 29: ...00460 S TAN TEESVA 1C 105M8L T 49 8 37 3 C12 4030016930 S CER ECJ0EB1A104K T 148 2 9 1 C13 4550000460 S TAN TEESVA 1C 105M8L T 51 9 37 3 C14 4030017420 S CER ECJ0EC1H470J T 44 8 35 2 C15 4030017420 S CER ECJ0EC1H470J T 42 7 24 7 C16 4030017420 S CER ECJ0EC1H470J T 45 4 33 4 C17 4030017420 S CER ECJ0EC1H470J T 43 7 24 7 C18 4030017420 S CER ECJ0EC1H470J T 46 1 35 2 C19 4030016970 S CER ECJ0EB1C223K...

Page 30: ...150J T 36 9 41 5 C204 4030017350 S CER ECJ0EC1H020B T 36 6 45 1 C205 4030017460 S CER ECJ0EB1E102K B 36 6 43 1 C206 4030017460 S CER ECJ0EB1E102K T 114 59 6 C207 4030016780 S CER ECJ0EB1C153K T 118 5 56 6 C208 4030017450 S CER ECJ0EB1E271K T 113 6 58 6 C209 4030017420 S CER ECJ0EC1H470J F1721D F1821D only B 92 8 6 5 C210 4030017460 S CER ECJ0EB1E102K F1721D F1821D only B 91 1 22 2 C212 4030016930 ...

Page 31: ...V1CA100SR T 101 58 C367 4030016930 S CER ECJ0EB1A104K F1721D F1821D only T 107 7 12 5 C368 4030016930 S CER ECJ0EB1A104K F1721D F1821D only T 103 3 12 1 C369 4550005980 S TAN TEESVA 1A 475M8L F1721D F1821D only B 104 9 16 C370 4550005980 S TAN TEESVA 1A 475M8L F1721D F1821D only T 108 2 16 C371 4550005980 S TAN TEESVA 1A 475M8L F1721D F1821D only T 104 5 16 C372 4030016930 S CER ECJ0EB1A104K F1721...

Page 32: ... 2 106 1 C505 4030017420 S CER ECJ0EC1H470J B 131 106 1 C508 4030017420 S CER ECJ0EC1H470J B 110 8 106 6 C509 4030017420 S CER ECJ0EC1H470J T 101 87 3 C511 4030017420 S CER ECJ0EC1H470J T 101 4 106 7 C513 4030017420 S CER ECJ0EC1H470J B 140 106 5 C515 4030017030 S CER ECJ0EB1A273K T 100 3 70 4 C516 4030017390 S CER ECJ0EC1H180J B 49 9 62 3 C517 4030017400 S CER ECJ0EC1H220J T 78 9 104 7 C519 40300...

Page 33: ...D contact SRCN 2781 SP N W 2 MP1 8930064190 2781 front key 1 MP2 8930064220 2781 knob rubber 1 MP3 8930064260 2781 LCD holder Y753 1 MP5 8210021190 2781 reflector 1 MP6 8930064370 2781 T angle 1 MP7 8210021440 2781 T front panel assembly 1 MP8 8930064520 2781 UP DOWN key 1 MP10 8930064380 2781 10 key 1 MP11 8610012160 Knob N324 1 MP12 8810008760 Screw PH BT M2 8 NI ZU 6 MP14 8930064890 2781 T shee...

Page 34: ... F MP19 F MP5 F MP2 F MP9 F DS1 F EP1 F EP1 F MP3 F MP18 F MP10 F SP1 F MP1 F MP12 F W2 F W2 F W1 F W1 F J11 M J1 C MP1 C J15 M W1 F MP8 C MP4 C MP5 M MP5 C MP5 C IC29 M MP6 C J11 M J11 M MP4 M MP6 M MP2 M MP10 M MP11 M EP9 M EP10 M MP3 C MP3 C MP3 C MP3 C W3 M MAIN UNIT Black Red MP7 C MP7 C MP7 C MP7 C MP3 C MP2 C MP3 C MP9 C MP3 C MP3 C FRONT B UNIT MP2 F MP22 F MP12 F MP5 F MP6 F MP12 F MP18 F...

Page 35: ...ymbol UF Symbol U73 Symbol 16 B E C DTC114EUA T106 Symbol 04 B E C DTC114TUA T106 Symbol 04 Symbol 26 Symbol H27 Symbol 9H Symbol 50 Symbol 5N S D G D S G2 G1 PMBFJ310 B C E B E C D G S A C A C A C A C A C A C A C A C A C A C BLACK LINE UM9401F MA8056 M MA77 MA2S728 MA2S111 HVC376B HVC375B HVC350B 1SV239 1SS375 TL Symbol 5 6 Symbol none Symbol 4B Symbol B Symbol A Symbol B9 Symbol B8 Symbol B0 HVC...

Page 36: ...0 H65 H70 H75 H80 H85 H90 H95 H100 H105 H110 H115 H0 V0 V5 V10 V15 V25 V30 V35 V20 V40 to MIC JACK CLO PTT MIC CLI 8V AFO MICE GND J2 7 8 1 2 9 1 FRONT A UNIT for IC F1700 series TOP VIEW The combination of this page and the next page shows the unit layout in the same configuration as the actual P C Board ...

Page 37: ...configuration as the actual P C Board to MAIN UNIT AFO MIC POSW MFDA GND SLQ GND MICE FMDA 8V GND VCC J1 12 11 2 1 H0 V5 V10 V15 V0 V25 V30 V35 V20 V40 H115 H110 H105 H100 H95 H90 H85 H80 H75 H70 H65 H60 H55 H50 H45 H40 H35 H30 H25 H20 H15 H10 H5 FRONT A UNIT BOTTOM VIEW for IC F1700 series ...

Page 38: ...H120 H125 H130 H135 H140 H145 H150 H155 H160 H165 H0 V5 V10 V15 V0 V25 V30 V35 V20 V40 to MIC JACK CLO PTT MIC CLI 8V AFO MICE GND J2 7 8 1 2 AF VOLUME 9 2 FRONT B UNIT for IC F1800 series TOP VIEW The combination of this page and the next page shows the unit layout in the same configuration as the actual P C Board ...

Page 39: ...5 H160 H155 H150 H145 H140 H135 H130 H125 H120 H115 H110 H105 H100 H95 H90 H85 H80 H75 H70 H65 H60 H55 H50 H45 H40 H35 H30 H25 H20 H15 H10 H5 H0 9 4 FRONT B UNIT BOTTOM VIEW for IC F1800 series The combination of this page and the previous page shows the unit layout in the same configuration as the actual P C Board ...

Page 40: ... J1 1 30 16 J2 15 PTTI PTTO MCOT MCIN AUX BUSY MOWN SIG OPT1 OPT2 OPT3 OPV3 OPV2 OPV1 TMS TDI 3VAX TCK EMU1 TRST GND TDO EMUO VCC DIM HORN GND AFO GND DET GND IN GND PTT GND 5V VCC AMMT AFONO BEPO ARMT DISC AFOUT REM CCS IRQA CSO CSIA CCK AFO MIC POSW MFDA GND VCC GND GND FMDA 8V GND VCC to OPC 617 11 1 J8 1 9 2 10 J3 GND GND GND ESDA ESCL VCC J10 1 2 5 6 to GPS PGO1 PGI2 IGSW NTXD PGO2 PGI3 PGI1 ...

Page 41: ... V50 V55 V40 V65 V70 V75 V60 V80 V90 V95 V100 V85 V105 V110 V115 SP SP EXT SPEAKER 25PIN Connector 1 14 2 15 3 16 4 17 5 18 6 19 7 20 8 21 9 22 10 23 11 24 12 13 25 H_OUT2 TXD RXD RTS CTS GND VCC MMUT H_OUT1 H_GND RDAT BUSY 3VA RCK HANG The combination of this page and the previous page shows the unit layout in the same configuration as the actual P C Board MAIN UNIT BOTTOM VIEW ...

Page 42: ...o TX VCO D A to TCXO BAL DASW FMPM DFIL DASW DET DAFO Decode Scramble EXPANDER RMTO D A IC2 AK2346 D A D A TENC SENC MOD VCO SW TENC D A BEEP TXC CONTROL LINE DIGITAL IC15 NJM2711F CFWC450E EXT MIC LPF ANT SW PWR AMP FIL RIPPLE PLL IC X3 BPF BPF BPF RF AMP APC AMP BPF XTAL IF AMP BPF CERAMIC BUFF BUFF BUFF LPF YGR AMP TX RX SW AMP BPF CERAMIC LCD DRIVER LPF AMP AMP A D BPF CERAMIC IF AMP AF AMP AF...

Page 43: ...EG67 60 SEG76 61 SEG66 62 SEG65 63 SEG61 64 SEG60 65 SEG59 66 SEG58 67 SEG57 68 SEG53 69 SEG52 70 SEG75 71 SEG51 72 SEG50 73 SEG46 74 SEG45 75 SEG44 76 SEG43 77 SEG39 78 SEG38 79 SEG74 80 SEG37 81 SEG36 82 SEG31 83 SEG30 84 SEG29 85 SEG28 86 SEG27 87 SEG22 88 SEG21 89 SEG73 90 SEG20 91 SEG19 92 SEG14 93 SEG13 94 SEG12 95 SEG11 96 SEG10 97 SEG5 98 SEG4 99 SG72 100 SEG3 101 SEG2 102 COM12 103 COM11 ...

Page 44: ...9 SEG67 60 SEG76 61 SEG66 62 SEG65 63 SEG61 64 SEG60 65 SEG59 66 SEG58 67 SEG57 68 SEG53 69 SEG52 70 SEG75 71 SEG51 72 SEG50 73 SEG46 74 SEG45 75 SEG44 76 SEG43 77 SEG39 78 SEG38 79 SEG74 80 SEG37 81 SEG36 82 SEG31 83 SEG30 84 SEG29 85 SEG28 86 SEG27 87 SEG22 88 SEG21 89 SEG73 90 SEG20 91 SEG19 92 SEG14 93 SEG13 94 SEG12 95 SEG11 96 SEG10 97 SEG5 98 SEG4 99 SG72 100 SEG3 101 SEG2 102 COM12 103 COM...

Page 45: ...TT RSSID BUSY CTSI RTSI DTXD DRXD VCC DMMT DAFON DRMT DAFO CCS IRQD CSO GND GND CSID CCK DFIL 5V DMO DMI MD2 C_RES TXD2 RXD2 3VA R138 R143 R164 R168 C175 C181 C209 C210 C212 C215 USA 02 USA 03 R143 10k R144 R146 C183 C187 USA 02 USA 03 R171 C236 USA 02 USA 03 USA 02 USA 03 USA 02 USA 03 R199 R201 R204 R221 R223 R446 R448 C251 C254 C531 R533 USA 02 USA 03 R205 R207 R224 R236 USA 02 USA 03 R268 R273...

Page 46: ...26 2SK1829 D22 MA2S111 D25 DA221 D24 MA2S111 D23 HVC375B D26 HVC375B D17 HVC350B D18 HVC350B L28 56nH C364 6p C360 0 001 D20 MA77 Q21 2SC5107 C263 0 001 R217 8 2k L29 82nH L27 82nH R215 8 2k R213 100 C262 0 001 Q20 2SC5107 C167 0 001 C153 220p C155 0 01 C241 0 1 C243 47p C257 0 001 C289 1p C284 390p C377 470p C378 0 001 C379 0 001 C380 0 001 C381 0 001 C390 0 001 C403 0 001 C433 0 001 D19 MA77 D41...

Page 47: ...ca Inc 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 Icom Canada A B N 88 006 092 575 290 294 Albert Street Brunswick Victoria 3056 Australia Phone 61 03 9387 0666 Fax 61 03 9387 0022 URL http www icom net au E mail sales icom net au Icom Australia Pty Ltd 146A Harris Road East Tamaki Auck...

Page 48: ...S 14118MZ C1 2004 Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan ...

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