background image

11 - 3

IC20
HD64F2239TE16

[F2721D], [F2821D] only

PE5/D5

PE6/D6

PE7/D7

PD0/D8

PD1/D9

PD2/D10

PD3/D11

PD4/D12

PD5/D13

PD6/D14

PD7/D15

CVCC

PC0/A0

VSS

PC1/A1

PC2/A2

PC3/A3

PC4/A4

PC5/A5

PC6/A6

PC7/A7

PB0/A8/TIOCA3

PB1/A9/TIOCB3

PB2/A10/TIOCC3

PB3/A11/TIOCD3

PB4/A12/TIOCA4

PB5/A13/TIOCB4

PB6/A14/TIOCA5

PB7/A15/TIOCB5

PA0/A16

PA1/A17/TXD2

PA2/A18/RXD2

PA3/A19/SCK2

P10/TIOCA0/A20

P11/TIOCB0/A21

P12/TIOCC0/TCLKA/A22

P13/TIOCD0/TCLKB/A23

P14/TIOCA1/IRQ0

P15/TIOCB1/TCLKC

P16/TIOCA2/IRQ1

P17/TIOCB2/TCLKD

AVSS

P97/DA1

P96/DA0

P47/AN7

P46/AN6

P45/AN5

P44/AN4

P43/AN3

P42/AN2

51

P41/AN1

52

P40/AN0

53

VREF

54

AV

C

C

55

MD0

56

MD1

57

OSC2

58

OSC1

59

RES

60

NMI

61

STBY

62

VCC

63

XT

AL

64

VSS

65

EXT

AL

66

FWE

67

MD2

68

PF7/

69

PF6/AS

70

PF5/RD

71

PF4/HWR

72

PF3/L

WR/ADTRG/IRQ3

73

PF2/W

AIT

74

PF1/BA

CK/B

UZZ

75

PF0/BREQ/IRQ2

P30/TXD0
P31/RXD0
P32/SCK0/SDA1/IRQ4
P33/TXD1/SCL1
P34/RXD1/SDA0
P35/SCK1/SCL0/IRQ5
P36
P77/TXD3
P76/RXD3
P75/TMO3/SCK3
P74/TMO2/MRES
P73/TMO1/CS7
P72/TMO0/CS6
P71/TMRI23/TMCI23/CS5
P70/TMRI01/TMCI01/CS4
PG0/IRQ6
PG1/CS3/IRQ7
PG2/CS2
PG3/CS1
PG4/CS0
PE0/D0
PE1/D1
PE2/D2
PE3/D3
PE4/D4

IC21
TC7MET374AFK

O-CTRL

1Q

1D

2D

2Q

3Q

3D

4D

4Q

GND

11

CLK

12

5Q

13

5D

14

6D

15

6Q

16

7Q

17

7D

18

8D

19

8Q

20

VCC

IC18 AK4550VT

VCOM

AINR

AINL

VSS

VDD

DEM0

DEM1

SDT0

SDT1

LRCK

MCLK

SCLK

PWAD

PWDA

AOUTL

AOUTR

X6
CR-802
12.288 MHz

1

VCON

2

GND

3

OUT

4

VCC

IC25
TC7MET541AFK

G1
A1
A2
A3
A4
A5
A6
A7
A8

GND

11

Y8

12

Y7

13

Y6

14

Y5

15

Y4

16

Y3

17

Y2

18

Y1

19

G2

20

VCC

IC24
S-80928CNMC

1

OUT

2

VDD

3

VSS

4

NC

5

CD

IC22
TC7S04F

1
2
3

4

5

IC28
HN58X2416TI

1

A0

2

A1

3

A2

4

VSS

5

SDA

6

SCL

7

WP

8

VCC

IC13
NJM2115V

IC33 XC6204B332MR

1

VIN 2

VSS 3

CE

4

NC

5

VOUT

IC31 XC6204B332MR

1

VIN 2

VSS 3

CE

4

NC

5

VOUT

IC32 R1114N151B

1

VDD 2

GND 3

CE

4

NC

5

VOUT

IC17
TC7SH32FU

1
2
3

4

5

R171

4.7k

R172 47k

C216 
0.01

C186
0.01

C182 
0.01

C147 
0.01

C146
0.01

C181
0.01

C178
0.01

R115
4.7k

C236

0.01

C237

0.01

C238 
0.1

C275
0.1

R229 3.3k
R230 3.3k
R231 3.3k

R233 3.3k

R228 5.6k

R227 5.6k

R226 5.6k

R225 5.6k

R224 5.6k

C337
0.1

R290
10k

C311 
0.1

C314
0.1

C310
4.7

C313
0.1

R201
47

C254
0.1

C253
0.1

R199
47

C251
0.1

C273
0.001

C272
1

C215
10

C213
10

C214
0.1

C180
0.1

R167
10k

R168
JPW

L16 
1H

C179
0.0022

C177
0.1

R142
470

R141
100

C176
47p

C212  1

C210
0.001

C209
47p

R164
100

R166 1k

R165 3.3k

R140
5.6k

R138 4.7k

C315
0.01

C175
0.1

R116 20k

R111
20k

R110
20k

C142
470p

C141
270p

C145
82p

C143
47p

R112
100

C140
10

C144
0.1

R145
8.2k

C185
0.1

C184
10

R144
22

R146
8.2k

C183
0.1

R122
47

R121
15k

C148
7p

C152
0.1

R124
4.7k

R118
4.7k

R117
1.8k

R123
5.6k

R120
100

R119
1.5k

C150
0.1

C119
0.1

C151
0.1

C149
10

R96
1.5k

C98
0.1

C100
0.1

R222
47k

C367
0.1

C368
0.1

C372
0.1

C338
0.1

C339
0.1

C343
0.1

R192 
47k

R204
47k

R485
100k

R484
100k

R486
100k

L20 1H

R169 
4.7k

R170 4.7k

R268 47k

R273 100

R235 100

R234 100

R236 100

R205
100

R206
100

R207
100

C318 47p

C317 47p

C316 47p

C319
47p

C320
47p

C278 47p

C277
47p

C276
47p

CP12

CP13

CP14

CP15

CP16

CP18

CP19

L45 
1H

FI3
CFWCA450KEFA

I

O

R232 3.3k

R272 100

R271 100

R270 100

R269 100

C370
4.7

C371
4.7

C369
4.7

C341
10

C342
10

C340
10

Q3
2SC4215

R67
100

R68
4.7k

R69
3.3k

R408 1k

IC16
AD7476ARTZ

1

VDD

2

GND

3

VIN

4

SCLK

5

SDATA

6

CS

R298
4.7

IC15
NJM2711F

1

2

3

4

5

IC41
TMS320VC5416PGE120

1

CVSS

2

A22

3

CVSS

4

DV

D

D

5

A10

6

HD7

7

A11

8

A12

9

A13

10

A14

11

A15

12

CVDD

13

HAS

14

DV

S

S

15

CVSS

16

CVDD

17

HCS

18

HR/W

19

READ

Y

20

PS

21

DS

22

IS

23

R/W

24

MSTRB

25

IOSTRB

26

MSC

27

XF

28

HOLD

A

29

IA

Q

30

HOLD

31

BIO

32

MP/MC

33

DV

D

D

34

CVSS

35

BDR1

36

BFSR1

37

CVSS

38

BCLKR1

39

HCNTL0

40

DVSS

41

BCLKR0

42

BCLKR2

43

BFSR0

44

BFSR2

45

BDR0

46

HCNTL1

47

BDR2

48

BCLKX0

49

BCLKX2

50

CVSS

51

HINT

52

CVDD

53

BFSX0

54

BFSX2

55

HRDY

56

DVDD

57

DVSS

58

HD0

59

BDX0

60

BDX2

61

IACK

62

HBIL

63

NMI

64

INT0

65

INT1

66

INT2

67

INT3

68

CVDD

69

HD1

70

CVSS

71

BCLKX1

72

CVSS

73

BFSX1

74

BDX1

75

DV

D

D

76

DV

S

S

77

CLKMD1

78

CLKMD2

79

CLKMD3

80

HPI16

81

HD2

82

TO

U

T

83

EMU0

84

EMU1/OFF

85

TDO

86

TDI

87

TRST

88

TCK

89

TMS

90

CVSS

91

CVDD

92

HPIENA

93

DV

S

S

94

CLK

OUT

95

HD3

96

X1

97

X2/CLKIN

98

RS

99

D0

100

D1

101

D2

102

D3

103

D4

104

D5

105

A16

106

DV

S

S

107

A17

108

A18

109

A19

110

A20

111

CVSS

112

DVDD

113

D6

114

D7

115

D8

116

D9

117

D10

118

D11

119

D12

120

HD4

121

D13

122

D14

123

D15

124

HD5

125

CVDD

126

CVSS

127

HDS1

128

DVSS

129

HDS2

130

DVDD

131

A0

132

A1

133

A2

134

A3

135

HD6

136

A4

137

A5

138

A6

139

A7

140

A8

141

A9

142

CVDD

143

A21

144

DVSS

R223
10k
[F2721D],
[F2821D]
only
47k [others]  

R139 22k

R291 47k

R292 47k

C187
0.0022

C312 
0.01

CP47

CP48

CP49

CP50

CP51

R437 47k

R438 47k

R441 1k

CP54

IC19 NJM2711F

1

2

3

4

5

C537
5p

C538
0.1

C539
0.1

R448
1k

R221
2.2k

R449
10k

R450
10k

C252
10p

R202
47k

R203
47k

R114
100

R113
68k

D1

D2

D3

D4

D5

D0

BFSR0

BDR0

D6
D7

HD6

HDS2

HDS1

HD5

HD4

HD1

HBIL

HD0

HRDY

HINT

HCNTL1

HCNTL0

D7

D6

D5

D4

D0

D1

D2

SIO
CCSI

SCKO
PTTIN
BUSYD

PTTOT

CCSI

CIRQD

PTTIN

PTT

O

T

BCLKX1

BFSX1

BDX1

BDR1

BFSR0

BDR0

BCLKR0

BU

S

Y

D

D3

HD7

HAS

HR/W

HCS

HD7

HD3

HD2

HAS

HCS

HDS1

HDS2

HR/W

HBIL

HCNTL0

HCNTL1

HD7

HD6

HD5

RD

A

T

RCK

BFSX1

BDR1

TMS

TCK

TRST

TDI

TDO

EMU1

EMU0

TMS

TRST

TDI

3VAX

TDO

TCK

EMU0

EMU1

BCLKX1

BCLKX1

BDX1

BFSX1

BUSY

CSO
CCS
CCK
PTTI

CSID

IRQD

DPTT

DRMT

DMMT

DA

F

O

N

RS

DMI

DA

F

O

DAFO

RSSID

3VA

3VA

5V

5V

5V

5V

DFIL

DFIL

3VAX

3VAX

CCSI

5V

5V

5V

5V

CIRQD

SOO

3V

A

C_RES

MD2

DMO

TXD2

RXD2

5V

3VA

3VA

1.5VB

3VC

3VC

3VC

DSP CPU

DSP

1.5VB

1.5VB

3VC

1.5VB

1.5VB

5V

5V

5V

5V

5V

Tx Digi/Ana(X)

Rx Digi/Ana(Y)

OPT RMUT / CPU RMUT (Z)

5V

J3

2

4

6

8

10

1

9

7

5

3

J4

1615

14

13

12

11

10

9

8

7

6

5

4

3

2

1

17

30

29

28

27

26

25

24

23

22

21

20

19

18

PTTI

DPTT

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

R143
10k

IC-F2721D and 
IC-F2821D only

IC38
LA4425A

Q28
DTC144EUA

Q29
DTC363EK

Q54
XP4601

IC1
NJM12902V

IC1
NJM12902V

Q55
DTC144EUA

R36
1k

IC2
AK2346

1

AGNDIN

2

AGND

3

TXIN

4

TXINO

5

LIMLV

6

EXTLMIN

7

MOD

8

VSS

9

TCLK

10

TDATA

11

DI/O

12

RDF/FC

13

SCLK

14

DIR

15

XOUT

16

XIN

17

VDD

18

EXPOUT

19

RXAFIN

20

RXAF

21

RXLPFO

22

RXINO

23

RXIN

24

TEST

C1
47p

C2
47p

C26
47p

C27
47p

C47
47p

C46
47p

C28
47p

C76
0.001

R90
470

C111
0.1

C112
0.1

C90
0.1

IC1
NJM12902V

Q56
2SK3019

Q52
2SK3019

9

10

8

1

2

3

14

13

12

C13
1

C11
1

C10
0.001

C14
47p

C16
47p

C18
47p

C20
47p

C15
47p

C17
47p

C22
47p

C65
0.1

R42 33k

R43 82k

R54
47k

C77
0.1

C78
0.0018

R11
1k

C19
0.047

C37 180p

C62
0.001

X1
CR-765
3.6864 MHz

C63
22p

C38
22p

C61
0.0022

C64
0.1

R44
68k

R41
470k

R468
JPW

R31 10k

C80
0.001

C585
0.1

C93
0.1

C572
0.01

R60
100k

C44
0.001

C45
0.001

C95
0.1

IC30
M62334FP

1

AO1

2

AO2

3

AO3

4

AO4

5

GND

6

SDA

7

SCL

8

VCC

R296
10k

R297
470

C365
0.1

C79
0.1

IC9
NJM12902V

9

10

8

IC9
NJM12902V

13

12

14

IC9
NJM12902V

6

5

7

IC9
NJM12902V

2

3

1

R158
180k

R159
56k

R162
22k

R163
1k

R161
22k

R157
47k

R160
68k

R137
68k

R136
68k

R109
68k

R108
68k

C173
47p

C115
47p

R95
390k

R156
47k

R135
47k

R134
47k

R107
4.7k

C207
0.015

C172
0.1

C170
820p

C136
0.1

C138
47p

C206
0.001

R106
47k

Q7
DTC144EUA

IC9
NJM12902V

V+

4

GND

11

C135
4.7

R92
100k

R93
27k

R94
27k

C109
0.1

C96
0.1

R12
3.3k

C21
0.1

R29
10k

R463
JPW

C113
0.1

C114
1

C12
0.1

C66
0.1

R56
100k

R70
47

C94
0.1

C91
1

C110
0.1

CP7

CP8

IC42
BU4053BCFV

1

Y1

2

Y0

3

Z1

4

Z

5

Z0

6

INH

7 VEE

8 VSS

9

C

10

B

11

A

12

X0

13

X1

14

X

15

Y

16

VDD

IC43
BU4053BCFV

1

Y1

2

Y0

3

Z1

4

Z

5

Z0

6

INH

7

VEE

8

VSS

9

C

10

B

11

A

12

X0

13

X1

14

X

15

Y

16

VDD

R394
27k

C488
0.47

C41
0.0022

IC44
TA75S01F

Q53
2SK3019

1

2

3

4

5

R396
4.7k

R397
10k

C489
0.1

C490
0.1

IC45
BU4094BCFV

1

STR

2

D

3

CLK

4

Q1

5

Q2

6

Q3

7

Q4

8

GND

9

QS

10

Q’S

11

Q8

12

Q7

13

Q6

14

Q5

15

OE

16

V+

C491
0.1

R398
100k

R399
100k

CP30
CP31
CP32
CP33

CP34

R400
2.2k

R466
6.8k

R30
27k

R401
1.5k

R32
18k

C492
150p

CP35

CP36

CP37

R421 1M

R427
10k

D55
DAP202U

D64
DAP202U

R434
47k

R435
47k

C529
100

R53
47k

R465
3.9k

CP39

D51
DAP202U

D52
DAP202U

D65
MA2S111

C60
10

IC8
M62364FP

1

VIN1

2

VOUT1

3

VOUT2

4

VIN2

5

VDD

6

LD

7

CLK

8

DI

9

VIN3

10

VOUT3

11

VOUT4

12

VIN4

13

VIN5

14

VOUT5

15

VOUT6

16

VIN6

17

DO

18

VDAREF

19

RESET

20

GND

21

VIN7

22

VOUT7

23

VOUT8

24

VIN8

R91
15k

R464
68k

C208
270p

C171
470p

C174
68p

C137
0.0033

C139
47p

C568
330p

R6
39k

R7
39k

R9
8.2k

R467
JPW

R10
8.2k

R55
680k

R482
100k

R4
220k

C8
1

R62
120k

R26
330k

R462
330k

R27
12k

R28
33k

C39
0.0015

R395
39k

R3
330k 

CP57

CP58

R45
68k

CP59

MRDF

MDIO

MTDT

MTCK

SCK

T1

DSD

A

D

AST

SCK

SSO

TENC

REF

BAL

TO

N

E

MSCK

MIC

POSW

MFD

A

FMD

A

CENC0

CENC1

CENC2

DUSE

T2

RL

V

A

TL

V

A

TENC

SIGNAL

BEEP

SENC

MOD

SQL

DET

DA

S

T

SCK

SSO

TENC

BAL

MOD

SQL

DET

DET

DET

MCOT

TO

N

E

BEPO

AFO

MIC

ARMT

DRMT

MMUT

AMMT

DMMT

CIRQ

IRQA

IRQD

VCC

VCC

VCC

VCC

VCC

VCC

DMO

PA

PA

PMFM

PMFM

MICA

MICA

SSO
SCK

EXOE

EXST

DAFO

DASW

DASW

DASW

AFOUT

DMI

CSIA

CSID

CSI

CSI

CSI

MDIR

SDEC

RMT

O

RMUT

RMT

O

MICA

DA

S

W

DA

S

W

DASW

DASW

MICA

DA

S

W

R8
220k

SIG

DET

DISC

DISC2

CDEC

R17 1M

R18 1M

R19 1M

R14 1M

R15 1M

R16 1M

AFONO

BEPO

DISC2   

AFOUT

REM

CCS

IRQA

CSIA

CSO

CCK

AMMT

ARMT

GND

J2

R35 47k

R33 47k

C43
47p

C24
47p

R34 10k

SIGO

PMFM

NWC

DAST

BUSY

MCOT

MIC

APTT

OPT1

OPT2

OPT3

PTTI

C409
0.1

C465
0.001

C464
0.001

R365
10k

C439
470

1

2

3

4

5

R322
10k

C408
0.1

R324
2.2k

C410
1

C386
0.47

R300
10k

D34
MA2S111

DSP
emulater

R348
10k

D36
DAN222TL

R321
JPW

R304
100

CP22

CP23

D53
MA2S111

R323
3.9k

AFONO

AFO

AFON

DAFON

VCC

VCC

VCC

CP26

C479
0.001

C480
47p

C467
47p

J5

J6

1

2

SP1 
(IC-F2721/D, 
 IC-F2710
  series only)

Yellow

Black

EXT. SP

INT. SP

2

4

6

8

10

12

1

11

9

7

5

3

J1

C25
0.001

CP38

R20
100k

R447
100k

R446
33k

MMUT

CIRQ

CSI

R13
100k

CP1

D54
DAP202U

R402
100

PTTI

APTT

DPTT

PTT

O

1

2

3

4
5

6
7

8

9

10

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

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

HD4

HD3

HD2

HD1

HD0

HRDY

HINT

RS

RTSI

SCKO

SIO

SOO

CTSI

DTXD
DRXD

1
2
3
4
5
6
7
8
9
10

1

2

3

4

5

6

7

8

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

1

CUTO 2

VCCRF 3

VPRF 4

CPORF 5

GND 6

FINRF 7

FINRF 8

GND 9

OSCX 10

OSCIN 11

FO/LD 12

RF_EN

13 IF_EN

14 CLOCK

15 DATA

16 LE

17 GND

18

FINRF

FINIF

20 GND

21 CPOIF

22 VPIF

23 VCCIF

24 OUT1

C5
47p

C6
47p

C33
47p

C3
0.001

C48
0.001

C50
47p

C49
0.001

C31
0.1

2

3

1

C70
0.1

EP5
ACZ1005Y-102-T

C75
0.001

R49
47

C85
10p

C126
5p

L1 1.8H

R1 10k

R2 270k

R48
470

C71
10p

C73
100p

C29
47p

L4
15 nH

C104
7p

C123
7p

R429
1k

R21
1M

X2
CR-794
15.3 MHz

1

VCON

2

GND

3

OUT

4

VCC

C32
10

R22 330k

C30
68p

5V

5V

5V

5V

5V

VCC

MFDA

AFO

POSW
FMDA
MIC

CPU5

CPU5

CPU5

CPU5

CPU5

5V

5V

5V

5V

5V

8V

5V

5V

5V

8V

5V

5V

8V

8V

8V

GND

GND

GND

from 
FRONT 
unit J1

OPTIONAL
unit 
UT-109
UT-110
UT-111

Rx/PA(Y)

PM/FM(X)

De-emphasis(Z)

IC4
LMX2352TM

19

R23
1k

C4
0.1

IC1
NJM12902V

D2
MA2S077

D3
MA2S077

R59
18k

R88
18k

R89
4.7

D4
MA2S077

D5
MA2S077

C88
0.1

C89
0.1

C556
0.1

C526
0.1

C108
0.1

IC1
NJM12902V

V+

4

GND

11

C34
10p

C53
0.01

C54
56p

C51
0.01

C52
0.1

C55
4p

C56
7p

L2
0.22H

L3
0.82H

Q1
2SC4116

R37
1.2k

R38
680k

R50
4.7k

R84
4.7k

R87
4.7k

R425
3.3k

R426
4.7

C527
0.1

FI1
CFWLB450KE2A

I

O

FI2
CFWLB450KGFA

I

O

Q2 DTA114EU

BAL

REF

UNLK

SCK

SSO

PLST

LVIN

OUT0

NWC

5V

8V

5V

8V

C440
470

OPV1

OPV2

OPV3

OPT3

OPT2

OPT1

SIG

BUSY

AUX

MCIN

MCOT

PTTO

PTTI

MOWN

CP2

IC6
LC73872M

C67
0.1

C81
0.1

X3
CR-563
3.579545 MHz

R46
1M

R47
10

R471
22k

R472
22k

R474
15k

R475
3.3k

R476
100k

R40
JPW

R24
JPW

R477
68k

R481
1.5k

R478
1.2k

R480
4.7k

R479
10k

R473
22k

C68
15p

C69
18p

C581
0.039

C582
0.1

C583
0.0068

C584
0.022

C7
0.001

C570
0.1

C42
0.001

1

INPUT

2

NC

3

PD

4

OSCO

5

OSCI

6

NC

7

VSS

8

LOAD

9

SD

10

ACK

11

STD

12

EST

13

NC

14

VDD

R461
100k

DDSD

DDST

DISC

DTPD

DD

A

C

BCLKR0

REM

5V

4

5

6

3

2

1

NWC

NWC

CDEC

COMMON LINE

MAIN UNIT

VOLTAGE LINE

TX LINE

RX LINE

Explanatory notes

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

30

16

17

18

19

20

21

22

23

24

25

26

27

28

29

LVIN

8V

CPORF

FINRF

OUT1

5V

REF

MIX

IF

B

A

CPU5

5V

NWC

AFO

VCC

3.2 V

1.5 V

3.3 V

3.3 V

3.3 V

12.3 MHz
1.2 Vp-p

3.3 V

5.0 V

3.3 V

1.5 V

3.2 V

3.1 V

15.3 MHz
950 mVp-p

AF ON   5.0 V
 

OFF 0.0 V

11-3 MAIN UNIT

Summary of Contents for IC-F2721

Page 1: ...SERVICE MANUAL UHF MOBLE TRANSCEIVERS...

Page 2: ...00mW 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...

Page 3: ...T 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 F2700 Series 9 1 9 2 FRONT B UNIT for IC F280...

Page 4: ...2 5 kHz Narrow 4 0 kHz Middle 5 0 kHz Wide Spurious emissions 75 dB typical 0 25 W 1 GHz 1 0 W 1 GHz Adjacent channel power 60 dB min Narrow 70 dB min Middle Wide Audio frequency response 2 dB to 5 d...

Page 5: ...amic filter FI2 CFWLB450KGFA for narrow RF amplifier Q24 3SK293 D A converter IC30 M62334FP D A converter IC8 M62364FP PLL IC IC4 LMX2352TM FM IF IC IC12 TA31136FN DTMF decoder IC6 LC73872M YGR amplif...

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

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 A B C D D L E F BEFORE REMOVING THE MAIN UNIT 1 Unscrew 8 scre...

Page 8: ...are applied to the 1st mixer circuit D17 D18 D23 D26 D68 and D69 employ varactor diodes that are controlled by the Main CPU IC23 via the D A converter IC30 pins 1 2 to track the bandpass filter These...

Page 9: ...the base band IC IC2 The output signals from the base band IC IC2 pin 20 are passed through the RX PA switch IC43 pins 1 15 and DIG ANA switch IC42 pins 3 4 The signals are applied to the AF volume IC...

Page 10: ...ed VCO signal is amplified at the buffer amplifiers Q20 Q22 and is then applied to the YGR Q23 amplifier via the T R switch D19 The CTCSS DTCS signals CENC0 CENC1 CENC2 from the Main CPU IC23 pins 89...

Page 11: ...SSO SCK 4 Q12 D9 D13 RX VCO2 Q11 D7 D11 RX VCO1 TX VCO Q16 D70 D71 6 10 14 15 16 PLL control signals from CPU IC23 15 3 MHz reference signal from reference frequency osciilator X2 IC4 LMX2352TM Shift...

Page 12: ...he audio signals The signals pass through or bypass scrambler section and are then applied to the limiter section after being passed through the high pass filter The filtered signals pass through the...

Page 13: ...l 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 t...

Page 14: ...e Description 1 T1 Outputs the bandpass filters D23 D26 D68 D69 tuning signal 2 T2 While receiving Outputs the bandpass filters D17 D18 tuning signal While transmitting Outputs the TX power control si...

Page 15: ...ld Wiz ard Complete will appear Then click Finish u Eject the CD i The adjustment software icon appears on the desk top screen BEFORE STARTING SOFTWARE ADJUSTMENT Program the adjustment frequencies in...

Page 16: ...ce frequency 1 Receive sensitivity automatic 2 Receive sensitivity manual 3 PLL lock voltage preset for RX automatic 4 PLL lock voltage preset for TX automatic 5 S meter FM 6 S meter digital 7 Deviati...

Page 17: ...nna connector RF power meter 50 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 JIG CABLE RS 232C cable straight IC F2721 D IC F2821 D IC F2710 IC...

Page 18: ...H CH 1 FRONT A B C o n n e c t a d i g i t a l multimeter or an oscillo scope to the check point CONTRAST 2 0 V FRONT A B R59 Preset LCD contrast 64 user set mode Receiving FRONT A UNIT for IC F2700 s...

Page 19: ...sor to RX LVA TX LVA and then push ENTER key REFERENCE FREQUENCY REF 1 Operating CH CH 12 Connect an RF power meter or 50 dummy load to the antenna connector Transmitting Rear panel Loosely couple a f...

Page 20: ...ear panel Connect a modulation analyzer with an oscilloscope to the antenna connector through an attenuator Set to square wave form FM DEVIATION NARROW MOD N C 1 Operating CH CH 6 Connect an audio gen...

Page 21: ...21D only 2 Operating CH CH 3 Transmitting MOD Dig H IC F2721D F2821D only 3 Operating CH CH 14 Transmitting CTCSS DTCS DEVIATION CTCSS DTCS 1 Operating CH CH 4 No audio applied to the MIC connector Se...

Page 22: ...PF tuning Digital RSSI Dig RSSI IC F2721D F2821D only 1 Operating CH CH 3 Connect the SSG to the antenna connec tor and set as Frequency 400 000 MHz L 450 000 MHz H Level 0 16 V 123 dBm Modulation OFF...

Page 23: ...1 6 C65 4030016930 S CER ECJ0EB1A104K B 52 31 6 C66 4030017490 S CER C1608 JB 1A 105K T B 51 6 26 3 C67 4030017490 S CER C1608 JB 1A 105K T B 51 6 24 8 C68 4030017460 S CER ECJ0EB1E102K B 50 7 21 7 C6...

Page 24: ...7 3 9 R62 7030004980 S RES ERJ2GEJ 101 X 100 B 26 10 1 R63 7030005160 S RES ERJ2GEJ 105 X 1 M B 31 2 4 3 R64 7030005220 S RES ERJ2GEJ 223 X 22 k B 29 2 10 1 R65 7030007290 S RES ERJ2GEJ 222 X 2 2 k B...

Page 25: ...90 S IC TA31136FN D EL B 27 9 28 4 IC13 1110005290 S IC NJM2115V TE1 F2721D F2821D only T 87 6 17 2 IC15 1110006230 S IC NJM2711F TE1 F2721D F2821D only B 87 5 19 2 IC16 1190002080 S IC AD7476ARTZ 500...

Page 26: ...NO NO LOCATION FI3 2020001780 S CER CFWCA450KEFA R0 F2721D F2821D only B 78 8 18 5 FI4 2030000410 S MLH FL 380 MFT46 3P 46 350 MHz B 34 3 43 2 FI5 2040001440 S LC NFE31PT152Z1E9L B 85 2 103 6 FI6 204...

Page 27: ...105 7030005000 S RES ERJ2GEJ 471 X 470 B 24 32 R106 7030008290 S RES ERJ2GEJ 473 X 47 k T 109 52 9 R107 7030005040 S RES ERJ2GEJ 472 X 4 7 k T 111 1 54 6 R108 7030005070 S RES ERJ2GEJ 683 X 68 k T 118...

Page 28: ...1D only B 116 2 5 2 R237 7030004980 S RES ERJ2GEJ 101 X 100 B 62 4 64 2 R238 7030005050 S RES ERJ2GEJ 103 X 10 k B 63 2 74 5 R239 7030004980 S RES ERJ2GEJ 101 X 100 B 61 4 74 5 R240 7030005090 S RES E...

Page 29: ...7030005090 S RES ERJ2GEJ 104 X 100 k B 148 75 8 R425 7030007300 S RES ERJ2GEJ 332 X 3 3 k T 25 9 16 1 R426 7030009320 S RES ERJ2GEJ 4R7 X 4 7 T 27 4 19 6 R427 7030005050 S RES ERJ2GEJ 103 X 10 k B 70...

Page 30: ...C124 4550003220 S TAN TEESVA 1E 105M8L B 75 7 51 C125 4030017420 S CER ECJ0EC1H470J B 74 8 54 C126 4030017380 S CER ECJ0EC1H050B B 68 59 C127 4030018860 S CER ECJ0EB0J105K T 76 9 34 7 C128 4030017460...

Page 31: ...6 4030017530 S CER ECJ0EC1H0R5B B 22 1 59 7 C268 4030017530 S CER ECJ0EC1H0R5B L B 24 7 59 3 MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION 4030017550 S CER ECJ0EC1H1R5B H B 24 7 59 3 C269 40300...

Page 32: ...1H 102K T B 8 9 87 C402 4030006980 S CER C1608 CH 1H 070D T L B 11 87 7 4030007010 S CER C1608 CH 1H 100D T H B 11 87 7 C403 4030017420 S CER ECJ0EC1H470J B 2 1 84 8 C404 4030017420 S CER ECJ0EC1H470J...

Page 33: ...91 5 4030011060 S CER GRM31M2C2H4R0CY21L F2710 H F2810 H T6 5 91 5 4030011070 S CER GRM31M2C2H5R0CY21L F2721 D L F2821 D L T6 5 91 5 C554 4030017550 S CER ECJ0EC1H1R5B H T 62 7 46 3 4030017570 S CER...

Page 34: ...0065250 2781 A lens 1 MP18 8930065240 2781 B lens 1 MP20 8930065170 2781 LED sheet 2 REF NO ORDER NO DESCRIPTION QTY J1 6510004880 Connector MR DS E 01 1 MP1 8010019801 2781 chassis 1 1 MP2 8110008270...

Page 35: ...3 2 4 5 4 5 4 2 4 5 4 2 4 5 4 3ERIES 3ERIES 5NIT MM INCH 2 4 5 4 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 30 0 0 7 7 7 7 0 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 5 4 LACK 2ED 0 0 0 0 0 0 0 0 0 0 0 2 4 5 4 0...

Page 36: ...4L Symbol XY Symbol K1 Symbol 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...

Page 37: ...00 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 1 3 5 7 2 4 6 8 AF VOLUME DIAL 9 1 FRONT A UNIT for IC F2700 Series TOP VIEW The combinati...

Page 38: ...onfiguration as the actual P C Board H0 V0 H115 H110 H105 H100 H95 H90 H85 H80 H75 H70 H65 H60 H55 H50 H45 H40 H35 H30 H25 H20 H15 H10 H5 V5 V10 V15 V25 V30 V35 V20 V40 to MAIN UNIT AFO MIC POSW MFDA...

Page 39: ...0 H105 H110 H115 H120 H125 H130 H135 H140 H145 H150 H155 H160 H165 H0 1 3 5 7 2 4 6 8 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 F2800 Series TOP VIEW The...

Page 40: ...40 H35 H30 H25 H20 H15 H10 H5 H0 V5 V10 V15 V0 V25 V30 V35 V20 V40 to MAIN UNIT AFO MIC POSW MFDA GND SLQ GND MICE FMDA 8V GND VCC J1 12 11 2 1 9 4 FRONT B UNIT BOTTOM VIEW for IC F2800 series The com...

Page 41: ...1 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...

Page 42: ...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...

Page 43: ...5 30 4 6 2 2 6 2 6 2 6 2 2 2 2 6 6 6 6 0 7 2 37 5 02 33 2 0 64 ONLY 4 3 6 0 ONLY 8 62 3 3 3 7 ONLY 1 3 ONLY 1 4 5 1 4 6 3 4 53 4 3 37 4ONE ODULATION 4 33 4 3 ODULATION n 84 84 80 54 28 54 37 2 31 4 34...

Page 44: ...3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 0 0 0 6 8 8 6 2 3 4 34 633 3 3 6 0 7 0 0 7 0 0 0 0 0 0 7 0 0 7 0 0 7 0 0 7 0 42 0...

Page 45: ...34 633 3 3 6 0 7 0 0 7 0 0 0 0 0 0 7 0 0 7 0 0 7 0 0 7 0 42 0 4 7 0 07 0 0 3 0 3 0 4 2 6 0 4 6 0 4 6 0 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 0 0 0 3 0 28 0 48 0 0 3 0 28 0 48 0 21 0 21 4 0 21 0 21 42 6 0...

Page 46: ...TXIN 4 TXINO 5 LIMLV 6 EXTLMIN 7 MOD 8 VSS 9 TCLK 10 TDATA 11 DI O 12 RDF FC 13 SCLK 14 DIR 15 XOUT 16 XIN 17 VDD 18 EXPOUT 19 RXAFIN 20 RXAF 21 RXLPFO 22 RXINO 23 RXIN 24 TEST C1 47p C2 47p C26 47p C...

Page 47: ...19 1SV307 D41 MA2S728 FI5 NFE31PT152Z1E9L 1 2 3 FI6 NFE31PT152Z1E9L 1 2 3 FI7 NFE31PT152Z1E9L F2721 D F2821 D only 1 2 3 IC12 TA31136FN 9 10 11 12 13 14 15 16 L25 33nH L35 15nH L38 1H L43 15nH L42 15n...

Page 48: ...ntre 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 A B N 88 006 092 575 290 294 Albert Street Brunswick Vi...

Page 49: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14127MZ C1 2005 Icom Inc...

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