background image

A

B

C

D

E

F

G

I

J

K

L

M

N

A

B

C

D

E

F

G

H

I

J

K

L

M

N

H

1

2

3

4

5

6

7

8

9

10

1

2

3

4

5

6

7

8

9

10

IC-A23

.

.

2000

05

ICOM

Icom Inc

DIAGRAM

1
2
3
4
5
6

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7
8
9

10
11

12

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MODEL

DWN.NO.

DATE

APPD.

CHKD.

DWN.BY:

SCHEMATIC

29

LOGIC

REVISIONS

INI

Parts that there is "H"sign ahead of the reference number are unmounting

CHASSIS

OE

JACKDET

BDET

VOLCK

CHGC

RFSTB

TXC

SCK

SDATA

VOLDATA

VCC

UNLK

PTT

PCK

EXTPTT

PSTB

LIGHT

PDATA

DASTB

EXTMIC

+5V

HV

VREC

VORDET

BEEP
MOD

VORON

SEG12

SEG38

SEG11

SEG39

SEG10

UNLK

SEG9

EDATA

SEG8

DASTB

SEG7

VOLCK

SEG6

VOLDATA

SEG5

SCK

SEG4

SDATA

+5V

SEG3

RFSTB

SEG2

MASTB

SEG1

OE

SEG0

COM3
COM2

RESET

COM1

DCC

COM0

KR0
KR1
KR2
KR3
KR4

LIGHTC

BUSYLED

RECC
PLAYC
VORON
SCK
SDATA
MASTB

BDET

OE

+5V

KR0

KR1

KR2

KR3

KR4

KS3

INI

KS2

KS1

KS0

DICK

DIUD

SEG29

SEG28

SEG27

SEG26

SEG31

SEG25

SEG24

SEG23

SEG22

SEG39

SEG38

SEG13

SEG37

SEG14

SEG36

SEG15

SEG21

SEG16

SEG20

SEG17

SEG19

SEG18

SBATT

SEG18

SEG19

PDATA

SEG30

SEG20

PCK

SEG17

SEG21

PSTB

SEG16

SEG22

BEEP

SEG15

SEG23

VORS

SEG14

SEG24

DICK

SEG13

SEG25

KS3

SEG12

SEG26

KS2

SEG11

SEG27

KS1

SEG10

SEG28

KS0

SEG9

SEG29

LIGHT

SEG8

SEG30

PTT

SEG7

SEG31

CLOUT

SEG6

CHGC

CLIN

SEG1

ECK

DIUD

SEG5

PCON

VORC

SEG4

POWER

SEG0

SEG36

BPCPI

SEG3

SEG37

JACKDET

SEG2

COM3

COM2

COM1

COM0

CHGC

UNLK

+5V

CLOUT

ALCC

CLIN

MMUTE

THERMC

VORC

VORS

RSSI

RFDET

THRMC

RFDET

VORD

VORD

RSSI

VIN

VIN

MC1

IC11

1
2
3
4

5

6

7

8

IC12

1
2
3
4
5
6
7

8

9

10

11

12

13

14

IC13

1
2
3
4

5

6

7

8

IC14

1
2
3
4

5

6

7

8

D16

R31

R44

R60

R66

R79

R84

R86

R89

R90

C47

C102

C105

+

C119

D2

C27

D10

R25

C19

R32

Q10

C50

C91

R81

C108

C104

+

C107

R78

C111

+

C113

+

C121

C118

C117

+

HC57

HC32

+

HC46

D11

R36

D7

D8

R18

R17

HC21

C22

Q3

R24

R21

C20

C31

Q7

3

2

1

5

4

C34

+

C33

C29

C28

+

R22

R20

HC30

C24

R19

C23

R6

C7

C8

C43

R27

R26

R28

DS4

C90

+

R48

C127

+

R47

C92

D15

R43

R42

R58

R59

C93

R39

C86

C123

R96

C120

+

R91

R71

R70

R69

C125 +

C116

R72

R65

R64

C115

+

C114

+

R63

R62

R61

C101

R87

R85

C112

+

R83

C103

+

R74

R73

R75

R76

R88

R82

R80

C109

C106

R77

C110

+

DS3

R34

C52

C51

R33

C49

+

C6

C1

C2

HC3

C126

C9

R15

Q1

R37

J1

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

R38

C37

C100

HW1

R46

IC9

OUT1

1

GND

2

NC

3

ALC

4

VCC

5

NC

6

OUT2

7

NC

8

IN2

9

NF2

10

NF1

11

NC

12

IN1

13

NC

14

HC69

HC68

R23

R98

D18

D9

D13

HC81

HC62

HC64

DS1

S29

1

S27

3

S28

2

S26

4

S31

5

S25

6

S24

7

S23

8

S22

9

S39

10

S38

11

S37

12

S36

13

S21

14

S20

15

S19

16

S18

17

S30

18

S17

19

S16

20

S15

21

S14

22

S13

23

S12

24

S11

25

S10

26

S9

27

S8

28

S7

29

S6

30

S1

31

S5

32

S4

33

S0

34

S3

35

S2

36

COM3

37

COM2

38

COM1

39

COM0

40

DS9

DS10

DS8

DS5

DS6

DS7

D1

X1

 

DS2

C44

C42

D12

R30

IC3

G

I

O

C4

C128

C129

C130

C131

HC60

HC54

HC55

HC56

HC58

R16

R5

IC2

OUT

1

VDD

2

VSS

3

NC

4

CD

5

C26

+

C25

HC63

HC61

HC75

HC74

HC73

HC72

HC71

HC76

HC77

HC79

HC133

C59

C65

C66

HC67

HC70

HC78

HR99

R68

R67

HC134

IC16

GND

1

VIN

2

VOUT

3

NC

4

NC

5

C135

+

R9

IC7

A0

1

A1

2

A2

3

VSS

4

SDA

5

SCL

6

TEST

7

VCC

8

R1

R2

R3

R4

R35

R14

R11

R12

R13

R40

R52

R113

C87

R110

R108

R107

R109

C136

+

C137

C138

C139

C140

+

R111

C122

R112

C5

R41

C98

R45

C89

IC1

P67/AN7

1

P66/AN6

2

P65/AN5

3

P64/AN4

4

P63/SCLK22/AN3

5

P62/SCLK21/AN2

6

P61/SOUT2/AN1

7

P60/SIN2/AN0

8

P57/ADT/DA2

9

P56/DA1

10

P55/CNTR1

11

P54/CNTR0

12

P53/RTP1

13

P52/RTP0

14

P51/PWM1

15

P50/PWM0

16

P47/SRDY1

17

P46/SLCK1

18

P4

5/TXD

19

P44/RXD

20

P43/ /TOUR

21

P42/INT2

22

P41/INT1

23

P40

24

P77

25

VL1

100

C1

99

C2

98

VL2

97

VL3

96

COM0

95

COM1

94

COM2

93

COM3

92

AVSS

91

VREF

90

VCC

89

SEG0

88

SEG1

87

SEG2

86

SEG3

85

SEG4

84

SEG5

83

SEG6

82

SEG7

81

SEG8

80

SEG9

79

SEG10

78

SEG11

77

SEG12

76

P76

26

P75

27

P74

28

P73

29

P72

30

P71

31

P70/INT0

32

RESET

33

XCIN

34

XCOUT

35

XIN

36

XOUT

37

VSS

38

P27

39

P26

40

P25

41

P24

42

P23

43

P22

44

P21

45

P20

46

P17

47

P16

48

P15/SEG39

49

P14/SEG38

50

P13/SEG37

51

P12/SEG36

52

P11/SEG35

53

P10/SEG34

54

P07/SEG33

55

P06/SEG32

56

P05/SEG31

57

P04/SEG30

58

P03/SEG29

59

P02/SEG28

60

P01/SEG27

61

P00/SEG26

62

P37/SEG25

63

P36/SEG24

64

P35/SEG23

65

P34/SEG22

66

P33/SEG21

67

P32/SEG20

68

P31/SEG19

69

P30/SEG18

70

SEG17

71

SEG16

72

SEG15

73

SEG14

74

SEG13

75

HR106

D17

Q13

C99

C600

R558

R95

R93

R94

R562

R563

R564

R561

C10

C11

C12

C13

C18

R10

C48

C53

D14

Q2

C45

Q4

C88

+

W10

R7

R8

D4

R104

R100

R101

R103

R102

Q6

Q5

Q12

Q17

HC132

C35

S2

UP

S6

1

S10

4

S14

7

S18

ENT

S19

0

S15

8

S11

5

S7

2

S4

SQL

S8

3

S12

6

S16

9

S20

MR

S21

F

S9

CLR

S5

POWER

S3

DWN

S17

BANK

S13

ANL

Q16

Q11

6

5

4

3

2

1

Q8

3

2

1

5

4

Q9

3

2

1

5

4

Q15

6

5

4

3

2

1

D3

IC8

STR

1

D

2

CLK

3

Q1

4

Q2

5

Q3

6

Q4

7

VSS

8

QS

9

QS

10

Q8

11

Q7

12

Q6

13

Q5

14

OE

15

VDD

16

S1

E

UP

DN

IC15

A0

1

A1

2

A2

3

A3

4

A4

5

A5

6

NC

7

NC

8

A6

9

A7

10

NC

11

VSSD

12

VSSA

13

SP+

14

SP-

15

VCCA

16

MIC

17

MIC REF

18

AGC

19

ANA IN

20

ANA OUT

21

NC

22

PLAYL

23

PLAYE

24

RECLED

25

XCLK

26

REC

27

VCCD

28

C601

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