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11 - 1

SECTION 11

VOLTAGE DIAGRAM

100k

R38

SML-311YT

DS15

SML-311YT

DS11

SML-311YT

DS14

SML-311YT

DS13

SML-311YT

DS12

SML-311YT

DS16

SML-311YT

DS8

SML-311YT

DS9

SML-311YT

DS26

2SC4116

Q3

390

R19

2.7K

R22

DTC114TU

Q5

DTC114TU

Q4

J2

100k

R9

1M

R6

15p

C13

S-80942CNMC

IC2

1

OUT

2

VDD

3

VSS

4

NC

5

CD

0.027

C11

0.1

C10

0.01

C16

0.1

C30

10

R8

CR-520
19.6608 MHz

X1

22p

C12

0.1

C17

68p

C14

12k

R4

12k

R5

MA77

D1

470p

C15

12k

R7

0.001

C33

1k

R31

MA8056

D6

100k

R21

47p

C42

47p

C37

0.001

C51

0.001

C36

1k

R32

MA8056

D5

10

µ

H

L1

TC75S51F

IC5

1

2

3

4

5

0.001

C48

10k

R29

10k

R24

2.2k

R26

0.001

C43

0.01

C49

4.7

C50

1k

R30

47p

C47

MA8056

D7

47p

C52

TC7W04F

IC4

1

2

3

4

5

6

7

8

DTC114EU

Q2

DTA114EU

Q1

3.3k

R16

MA2S111

D4

0.001

C28

100k

R14

22k

R18

100k

R12

100k

R15

NJM2870

IC6

1

CTRL

2

GND

3

NB

4

VOUT

5

VIN

0.1

C53

4.7

C54

0.1

C55

0.01

C56

10

C57

47k

R39

1SS355

D8

1k

R40

1k

R41

1k

R42

DA204U

D9

DA204U

D11

CP3

470p

C58

470p

C59

DTC114TU

Q6

DTC114TU

Q7

47p

C18

DA204U

D10

CP2

100k

R48

100k

R49

100k

R50

100k

R51

100k

R52

47k

R55

1k

R56

0.1

C60

0.1

0.1

0.1

0.1

0.1

C61 C62 C63 C64 C65

1.2M

R57

1.2M

R58

470k

R59

1

C66

1

C67

0.001

C68

0.001

C69

SED1526F0A

IC7

1

V1

2

V2

3

V3

4

V4

5

V5

6

VR

7

VDD

8

V

OUT

9

CAP2–

10

CAP2+

11

CAP1–

12

CAP1+

13

VSS

14

M/S

15

SR2

16

SR1

17

WR

18

RD

19

CS2

20

CS1

21

A0

22

FR

23

CL

24

D0

25

D1

26

D2

27

D3

28

D4

29

D5

30

D6

31

D7

32

COM0

33

COM1

34

COM2

35

COM3

36

COM4

37

COM5

38

COM6

39

COM7

40

COM8

41

COM9

42

COM10

43

COM11

44

COM12

45

COM13

46

COM14

47

COM15

48

COMS

49

SEG0

50

SEG1

51

SEG2

52

SEG3

53

SEG4

54

SEG5

55

SEG6

56

SEG7

57

SEG8

58

SEG9

59

SEG10

60

SEG11

61

SEG12

62

SEG13

63

SEG14

64

SEG15

65

SEG16

66

SEG17

67

SEG18

68

SEG19

69

SEG20

70

SEG21

71

SEG22

72

SEG23

73

SEG24

74

SEG25

75

SEG26

76

SEG27

77

SEG28

78

SEG29

79

SEG30

80

SEG31

81

SEG32

82

SEG33

83

SEG34

84

SEG35

85

SEG36

86

SEG37

87

SEG38

88

SEG39

89

SEG40

90

SEG41

91

SEG42

92

SEG43

93

SEG44

94

SEG45

95

SEG46

96

SEG47

97

SEG48

98

SEG49

99

SEG50

100

SEG51

101

SEG52

102

SEG53

103

SEG54

104

SEG55

105

SEG56

106

SEG57

107

SEG58

108

SEG59

109

SEG60

110

SEG61

111

SEG62

112

SEG63

113

SEG64

114

SEG65

115

SEG66

116

SEG67

117

SEG68

118

SEG69

119

SEG70

120

SEG71

121

SEG72

122

SEG73

123

SEG74

124

SEG75

125

SEG76

126

SEG77

127

SEG78

128

SEG79

MA2S111

D12

CP1

S4

S8

S7

S6

S5

S1

CP10

CP11

CP12

CP4

47K

R60

TC4W53F

IC8

1

2

3

4

5

6

7

8

AN6123MS

FRONT-A UNIT
(for IC-F1700 

s

eries)

IC9

1

VCC

2

DET

3

INPUT

4

GND

5

OUTPUT

10

C72

100

R62

10

C73

1M

R63

0.1

C74

0.1

C75

2.2k

R65

5.6k

R66

3.3k

R68

0.001

C71

1k

R70

1k

R71

100k

R72

100k

R73

100k

R74

100k

R75

47k

R20

0.1

C79

100k

R77

100k

R61

390

R67

SML-512UW

DS18

SML-512MW

DS17

J4

10k-B

R35

SML-311YT

DS5

SML-311YT

DS6

SML-311YT

DS7

1k

R43

680

R44

100k

R76

L4-0013TVY

DS1

1

COM3

2

COM2

3

COM1

4

COM0

5

SEG0

6

SEG1

7

SEG72

8

SEG73

9

SEG74

10

SEG75

11

SEG6

12

SEG7

13

SEG8

14

SEG9

15

SEG76

16

SEG15

17

SEG16

18

SEG17

19

SEG18

20

SEG77

21

SEG23

22

SEG24

23

SEG25

24

SEG26

25

SEG77

26

SEG32

27

SEG33

28

SEG34

29

SEG35

30

SEG76

31

SEG40

32

SEG41

33

SEG42

34

SEG75

35

SEG47

36

SEG48

37

SEG49

38

SEG74

39

SEG54

40

SEG55

41

SEG56

42

SEG73

43

SEG62

44

SEG63

45

SEG64

46

SEG72

47

SEG69

48

SEG70

49

SEG71

50

COM4

51

COM5

52

COM6

53

COM7

54

COM13

55

COM14

56

COM15

57

COM16

58

SEG68

59

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

COM11

104

COM10

105

COM9

106

COM8

1

C76

FRONT CPU
IC3
HD64F3687

1

PB6/AN6

2

PB7/AN7

3

AVCC

4

X2

5

X1

6

VCL

7

RES

8

TEST

9

VSS

10

OSC2

11

OSC1

12

VCC

13

P50/WKP0

14

P51/WKP1

15

P34

16

P35

17

P36

18

P37

19

P52/WKP2

20

P53/WKP3

21

P54/WKP4

22

P55/WKP5/ADTRG

23

P10/TMO

W

24

P11/PWM

25

P12

26

P56/SD

A

27

P57/SCL

28

P74/TMRIV

29

P75/TMCIV

30

P76/TMO

V

31

P24

32

P63/FTIOD0

33

P62/FTIOC0

34

P61/FTIOB0

35

NMI

36

P60/FTIOA0

37

P64/FTIOA1

38

P65/FTIOB1

39

P66/FTIOC1

40

P67/FTIOD1

41

P85

42

P86

43

P87

44

P20/SCK3

45

P21/RXD

46

P22/TXD

47

P23

48

P70/SCK3_2

49

P71/RXD_2

50

P72/TXD_2

51

P14/IRQ0

52

P15/IRQ1/TMIB1

53

P16/IRQ2

54

P17/IRQ3/TRGV

55

P33

56

P32

57

P31

58

P30

59

PB3/AN3

60

PB2/AN2

61

PB1/AN1

62

PB0/AN0

63

PB4/AN4

64

PB5/AN5

180

R34

180

R36

180

R37

180

R33

1

C45

0.0022

C70

2.2k

R25

22k

R28

22k

R64

CLO

CLI

AFVI

AFVI

COM0

COM1

COM2

COM3

SEG0

SEG1

SEG72

SEG73

SEG74

SEG75

SEG6

SEG7

SEG8

SEG9

SEG76

SEG15

SEG16

SEG17

SEG18

SEG77

SEG23

SEG24

SEG25

SEG26

SEG77

SEG32

COM4

COM5

COM6

COM7

COM13

COM14

COM15

COM16

COM11

COM10

COM9

COM8

POSW

LEDR

SEG33

SEG34

SEG35

CLO

AFVI

LIGT1

LIGT2

LEDT

KYP0

KYP1

KYP2

KYP3

KYP4

TEMP

LW

R

LEDT

LEDR

PTT

KYP4

KYP3

KYP2

KYP1

KYP0

TXD

SEG76

SEG40

SEG41

SEG42

SEG75

SEG47

SEG48

SEG49

SEG74

SEG54

SEG55

SEG56

SEG54
SEG55
SEG56
SEG57
SEG58
SEG59
SEG60
SEG61
SEG62
SEG63
SEG64
SEG65
SEG66
SEG67
SEG68
SEG69
SEG70
SEG71
SEG72
SEG73
SEG74
SEG75
SEG76
SEG77

SEG53

SEG52

SEG51

SEG50

SEG49

SEG48

SEG47

SEG46

SEG45

SEG44

SEG43

SEG42

SEG41

SEG40

SEG39

SEG38

SEG37

SEG36

SEG35

SEG34

SEG33

SEG32

SEG31

SEG30

SEG29

SEG28

SEG27

SEG26

SEG25

SEG24

SEG23

SEG22

SEG21

SEG20

SEG19

SEG18

SEG17

SEG16

SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
COM16
COM15
COM14
COM13
COM12
COM11
COM10
COM9
COM8
COM7

COM6

COM5

COM4

COM3

COM2

COM1

COM0

LRD

LA0

V0

OPF2

OPF1

OPF0

LD7

LD6

LD5

LD4

LD3

LD2

LD1

LD0

LA0

LRD

LW

R

LRES

P85

P86

P87

POSW

AFO
PTT

ALC

FMDA

MFDA

LIGT1

LIGT2

CLI

SQL

SEG73

SEG62

SEG63

SEG64

SEG72

SEG69

SEG70

SEG71

COM12

SEG2

SEG3

SEG72

SEG4

SEG5

SEG10

SEG11

SEG12

SEG73

SEG20

SEG13

SEG21

SEG19

SEG14

SEG22

SEG31

SEG30

SEG27

SEG36

SEG29

SEG28

SEG37

SEG44

SEG43

SEG74

SEG45

SEG39

SEG38

SEG46

SEG53

SEG52

SEG50

SEG57

SEG75

SEG51

SEG58

SEG66

SEG65

SEG59

SEG76

SEG61

SEG60

SEG67

SEG68

NMI

LD4

LD5

LD6

LD7

LD0

LD1

LD2

LD3

VCC

PTT

LRES

HANG

HANG

KYUP

KYDN

KR0

KR1

KR2

KR3

KS0

KS1

KS2

P86

P87

P86

P87

P85

P85

NMI

NMI

5V

5V

5V

5V

5V

5V

5V

5V

5V

5V

5V

5V

5V

5V

5V

5V

5V

5V

8V
CLO

8V

8V

8V

8V

FMDA

FMDA

MFDA

R47
10k

DICK

UD

DICK

UD

R69
10k

C77
47p

C78
47p

3

B

S9
RH70N1037E20-2781

A

COM

1
2

MFDA

MICE
MIC
GND

GND

GND

from 
MAIN 
unit J1

0.001

C39

47p

C41

47p

C44

47p

C46

47p

C38

47p

C35

MFDA

MFDA

POSW

MIC

AFO

VCC

8V

8V

8V

FMDA

VCC

VCC

SQL

to
MIC jack

8V

FMDA

MICE

J1

2

4

6

8

10

12

1

11

9

7

5

3

0.001

C31

2

4

6

8

10

12

1

11

9

7

5

3

14

13

1
2
3
4
5
6
7
8

AFVR

VOLTAGE LINE

TX LINE

Explanatory notes

Light OFF: 0 V

Light ON: 4.9 V

DIM OFF: 0 V

ON : 4.8 V

DIM OFF: 7.0 V

ON : 6.2 V

TX: 1.2 V
RX: 4.8 V

7.8 V

5.0 V

5.0 V

19.7 MHz
1.4 Vp-p

11-1 FRONT-A UNIT (for IC-F1700 

s

eries)

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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