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11 - 1

SECTION 11

VOLTAGE DIAGRAM

DS1

+8V

Q6
DTA143ZU

Q8
DTA143ZU

Q9
DTA143ZU

Q7
DTA143ZU

R29
82

R34
120

C34
47p

C35
47p

C36
47p

C37
47p

S14

S15

S16

S17

R40
100K

R41
100k

R42
100k

R43
100k

+5V

C38
47p

C41
47p

C42
47p

C45
47p

C46
47p

S5

S6

S9

S10

S13

R39
100k

KY3

KY6

KY5

KY2

KY1

KY4

KYP4

KYP3

KYP2

KYP1

KYP0

5

4

C49
47p

C50
47p

S2

S1

R35
100k

3

2

1

6

C51
47p

C52
47p

S3

S4

R36
100k

9

8

7

#

C39
47p

C40
47p

C43
47p

C44
47p

C47
47p

C48
47p

S7

S8

S11

S12

S18

S19

R37
100k

R38
100k

R44
100k

R45
100k

KY9

KY0

KY8

KY7

KYA

KYUP

KYDN

KYB

0

*

^

v

OPF0

OPF1

OPF2

R46
1k

R47
1k

R48
1k

Q10
DTC114EU

Q11
DTC114EU

DS10
CL-170Y

DS13
CL-170Y

DS16
CL-170Y

DS15
CL-170Y

DS8
CL-170Y

DS11
CL-170Y

DS14
CL-170Y

R27
120

R28
120

R30
470

R31
470

R32
150

W4

W3

DS4
FY1112H

DS3
FY1112H

DS2
FY1112H

DS7
FY1112H

DS6
FY1112H

DS5
FY1112H

COM7

39

COM8

40

COM9

41

COM10

42

COM11

43

COM12

44

COM13

45

COM14

46

COM15

47

COMS

48

SEG0

49

SEG1

50

SEG2

51

SEG3

52

SEG4

53

SEG5

54

SEG6

55

SEG7

56

SEG8

57

SEG9

58

SEG10

59

SEG11

60

SEG12

61

SEG13

62

SEG14

63

SEG15

64

SEG79

128

SEG78

127

SEG77

126

SEG76

125

SEG75

124

SEG74

123

SEG73

122

SEG72

121

SEG71

120

SEG70

119

SEG69

118

SEG68

117

SEG67

116

SEG66

115

SEG65

114

SEG64

113

SEG63

112

SEG62

111

SEG61

110

SEG60

109

SEG59

108

SEG58

107

SEG57

106

SEG56

105

SEG55

104

SEG54

103

IC1

SED1526F0A

SEG54
SEG55
SEG56
SEG57
SEG58
SEG59
SEG60
SEG61
SEG62

SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7

R13
100k

PB1/AN1

  1

IRQ0

 16

VCC

33

P21/RXD

48

PB0/AN0

  2

AVSS

  3

TEST

  4

X2

  5

X1

  6

VSS

  7

OSC1

  8

OSC2

  9

RES

 10

P90/FVPP

 11

P91

 12

P92

 13

P93

 14

P94

 15

P60

LD0

LD1

LD2

LD3

LD4

LD5

LD6

LD7

KY1

KY2

KY3

KY4

KY5

KY6

KY7

KY8

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

64

63

62

61

60

59

58

57

56

55

54

53

52

51

50

49

PB2-AN2

PB3-AN3

PB4-AN4

PB5-AN5

PB6-AN6

PB7-AN7

AVCC

P17/IRQ3/TRGV

P16/IRQ2

P15/IRQ1

P14/PWM

P10/TMOW

P30/SCK1

P31/SI1

P32/SO1

P22/TXD

P61

P62

P63

P64

P65

P66

P67

P50/INT0

P51/INT1

P52/INT2

P53/INT3

P54/INT4

P55/INT5/ADTRG

P56/INT6/TMIB

P57/INT7

P73

34

P74/TMRIV

35

P75/TMCIV

36

P76/TMOV

37

P77

38

P80/FTCI

39

P81/FTOA

40

P82/FTOB

41

P83/FTIA

42

P84/FTIB

43

P85/FTIC

44

P86/FTID

45

P87

46

P20/SCK3

47

IC2

HD6433640H

C16
0.01

R11
1M

C15
0.001

X1
CR-567

C14
15p

D7
DA204U

D8
DA204U

D9
DA204U

+5V

+8V

D6
DA204U

D5
DA204U

R25
1k

D

E

J1

C32
47p

C33
47p

S20

R26
EVU-F2JFK4B14

POW SW

AF VR

+8V
CLON
AFO
PTT
MICE
MIC
GND
HANG

C31
0.001

C30
0.001

A

B

C

R23
3.3k

R24
1k

Q4
DTA114EU

D4
MA111

L1
1

µ

C27
0.001

C28
47p

C29
47p

D2
MA111

R20
100k

R16
3.3k

R21
100k

C17
0.1

C26
0.1

KYUP

KY9

KYA

KY0

KYB

KYP0
KYDN

KYP1

KYP2

KYP3

KYP4

5
6
7
8

1
2
3
4

IC4
TC7W04F

R19
100k

R18
100k

Q2
DTA114EU

LRES
LWR
LRD
LA0

R12
100k

C13
15p

SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
COM16
COM15
COM14
COM13
COM12
COM11
COM10
COM9
COM8
COM7

C1

0.1
C2

0.1
C3

0.1
C4

0.1
C5

0.1

SEG63
SEG64
SEG65
SEG66

SEG68
SEG69
SEG70
SEG71
SEG72
SEG73
SEG74
SEG75
SEG76
SEG77
SEG78
SEG79

SEG67

C.P

C7
1

C9
0.001

C8
0.1

C6
1

R1
1.2M

R2
RV-158

R3
1M

C10
0.22

R4
1k

R5
100k

R7
10k

R8
220k

O

U

T

1

V

D

D

2

V

S

S

3

N

C

4

N

C

5

IC3
S-80742SL

D1
MA111

R6
470k

R9
220k

Q1
2SC4081

C11
0.01

R10
100k

R17

100k

Q3
DTC114EU

+5V

C18
0.1

C19
470p

C21
1

C22
0.1

IC5
AN8005M

Q5
DTC114EU

D3
MA111

C20
10

O

I

G

R15
10k

C24
470p

C23
470p

C25
470p

R22

100k

R49
22k

VCC

SQL

SP

SPE

+8V

FTXD

FRXD

POSW

MICE

MIC

GND

AFO

J2

TO
MAIN
UNIT
J5

W1

W2

P0

P1

P2

P3

P4

FRONT UNIT

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

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

V1

V2

V3

V4

V5

VDD

VR

VOUT

CAP2-

CAP2+

CAP1-

CAP1-

VSS

M/S

SR2

SR1

WR RD

CS2

CS1

A0

FR

CL

D0

D1

D2

D3

D4

D5

D6

D7

LD0

LA0

LRD

LWR

LRES

LD1

LD2

LD3

LD4

LD5

LD6

LD7

COM0

COM1

COM2

COM3

COM4

COM5 COM6

COM0

COM1

COM2

COM3

COM4

COM5 COM6

39

40

41

42

43

44

45

46

47

48

49

98

97

96

95

94

93

92

91

90

89

88

87

86

85

84

83 82

81

80

79

78

77

76

75

74

73

72

71

70

69

68

67

66

65

64

63 62

61

60

59

58

57

56

55

54

53

52

51

50

93

92

91

90

89

88

87

86

101

102

100

99

98

97

96

95

94

85

84

83 82

81

80

79

78

77

76

75

74

73

72

71

70

69

68

67

66

65

COM8

COM9

COM10

COM11

SEG5

SEG6

SEG7

SEG8

SEG9

SEG15

SEG16

SEG17

SEG18

SEG19

SEG25

SEG26 SEG27

SEG28

SEG29

SEG35

SEG36

SEG37

SEG38

SEG39

SEG45

SEG46

SEG47

SEG48

SEG49

SEG55

SEG56

SEG57

SEG58

SEG59

SEG65

SEG66 SEG67

SEG68

SEG69

SEG75

SEG76

SEG77

SEG78

SEG79

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

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

COM16

COM15

COM14

COM13

COM12

COM3

COM2

COM1

COM0

SEG0

SEG1

SEG2

SEG3

SEG4

SEG10

SEG11

SEG12

SEG13

SEG14

SEG20

SEG21 SEG22

SEG23

SEG24

SEG30

SEG31

SEG32

SEG33

SEG34

SEG40

SEG41

SEG42

SEG43

SEG44

SEG50

SEG51

SEG52

SEG53

SEG54

SEG60

SEG61 SEG62

SEG63

SEG64

SEG70

SEG71

SEG72

SEG73

SEG74

COM16

COM4

COM5

COM6

COM7

COM3

COM2

COM1

COM0

SEG0

SEG1

SEG2

SEG3

SEG4

SEG10

SEG11

SEG12

SEG13

SEG14

SEG20

SEG21 SEG22

SEG23

SEG24

SEG30

SEG31

SEG32

SEG33

SEG34

SEG40

SEG41

SEG42

SEG43

SEG44

SEG50

SEG51

SEG52

SEG53

SEG54

SEG60

SEG61 SEG62

SEG63

SEG64

SEG70

SEG71

SEG72

SEG73

SEG74

COMA

SEG4

SEG5

SEG6

SEG7

COM8

COM9

COM10

COM11

SEG5

SEG6

SEG7

SEG8

SEG9

SEG15

SEG16

SEG17

SEG18

SEG19

SEG25

SEG26 SEG27

SEG28

SEG29

SEG35

SEG36

SEG37

SEG38

SEG39

SEG45

SEG46

SEG47

SEG48

SEG49

SEG55

SEG56

SEG57

SEG58

SEG59

SEG65

SEG66 SEG67

SEG68

SEG69

SEG75

SEG76

SEG77

SEG78

SEG79

COMB

COM15

COM14

COM13

COM12

5.04V

5.04V

13.18V

5.00V

5.01V

5.04V

LIGHT  ON    0V
LIGHT  OFF  7.98V

LIGHT  ON    4.97V
LIGHT  OFF       0V

5.04V

7.98V

DIM  ON         0V
DIM  OFF  4.97V

DIM  ON  7.90V
DIM  OFF     0V

LIGHT  ON (DIM OFF)  7.64V
LIGHT  ON (DIM ON)    5.99V
LIGHT  OFF                       0V

LIGHT  ON (DIM OFF)  7.75V
LIGHT  ON (DIM ON)    6.20V
LIGHT  OFF                        0V

-2.0V

5.04V

0V

4.46Vp-p

3.56Vp-p

f = 9.83 MHz

MEASUREMENT CONDITIDNS
OSCILLOSCOPE : 20 MHz
VOLTMETER       : 1 M

/V

11-1 FRONT UNIT

Summary of Contents for IC-F1610

Page 1: ...SERVICE MANUAL VHF FM TRANSCEIVER iF1610...

Page 2: ...ment model name and unit name 4 Quantity required SAMPLE ORDER 1110003571 S IC MC3372SVM IC F1610 MAIN UNIT 5 pieces 8810008660 Screw BT M3x8 NI ZU IC F1610 Bottom cover 10 pieces Addresses are provid...

Page 3: ...4 4 4 5 PORT ALLOCATIONS 4 5 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 INITIAL SET MODE 5 2 5 3 PLL ADJUSTMENT 5 3 5 4 RECEIVER ADJUSTMENT 5 4 5 5 TRANSMITTER ADJUSTMENT 5 5 SECTION 6 PA...

Page 4: ...lter Audio output power External SP connector ETS 300 086 146 174 MHz 128 16 ch 8 banks 16K0F3E 25 kHz Wide 8K50F3E 12 5 kHz Narrow 20 C to 55 C 13 2 V DC negative ground 7 0 A 1 2 A 700 mA SO 239 50...

Page 5: ...573 PLL IC IC12 MC145190F D A converter IC5 M62363FP FRONT unit CPU IC20 HD64F3437F16 EEPROM IC27 X25650S8I 2 5 Low pass filter circuit 1st mixer Q2 3SK166 RF amplifier Q1 3SK116 1st IF filter FI1 FL...

Page 6: ...PC 617 Pin No Terminal name Description Specification 1 DIM Backlight control input 5 to 30 V for dark 2 PAAF AF output for public address and Ext SP func tions 0 to 330 mV rms 47 k 3 DISC AF output f...

Page 7: ...ket bolts from the front plate using an allen wrench 1 32 in Separate the front unit from the transceiver main unit Remove 4 screws from the RMK 1 front unit attach ment to open the rear plate Connect...

Page 8: ...btain selection capability and to pass only the desired signals The filtered signal is applied to the 2nd IF circuit after being amplified at the 1st IF amplifier Q4 4 1 4 2ND IF AND DEMODULATOR CIRCU...

Page 9: ...receiving a signal containing a matching subaudible tone CTCSS or DTCS When tone squelch is in use and a signal with a mismatched or no subaudible tone is received the tone squelch circuit mutes the...

Page 10: ...rcuit protects the power module IC11 from a mismatched output load and stabilizes the output power The APC detector circuit detects forward signals and reflec tion signals at D3 and D1 respectively Th...

Page 11: ...1 12 6 MHz Rx VCO Q21 D19 D20 D40 D41 Tx VCO Q23 D21 D22 D42 D43 Charge pump LINE HV VCC CPU5V 5V 8V R8V T8V MT8V DESCRIPTION The voltage from the external power connector Same voltage as the HV line...

Page 12: ...d Outputs high pass filter s characteris tics select signal High During CTCSS operation Outputs mic audio select signal to the audio switch IC25 High While Public address func tion is ON Outputs MT8V...

Page 13: ...Oscilloscope DC voltmeter Digital multimeter AC millivoltmeter External speaker Attenuator Terminator GRADE AND RANGE Frequency range 0 1 600 MHz Output level 0 1 V 32 mV 127 to 17 dBm Frequency rang...

Page 14: ...ol Beep ON OFF Maximum beep level DTCS balance CTCSS DTCS Tone deviation Maximum voice deviation S meter level Transmit low power L1 Transmit low power L2 Transmit high power H MODE No NOTE 2 beeps li...

Page 15: ...nsmitting MAIN Rear panel Connect a digital multi meter or an oscillo scope to the check point LV Loosely couple a fre quency counter to the antenna connector 3 0 V 10 0 14 0 V 3 0 V 10 5 15 5 V 174 0...

Page 16: ...ge 5 2 for details Receiving Make sure no signal is being applied to the antenna connector Enter Initial Set Mode No 2 Refer to page 5 2 for details Operating frequency 136 000 MHz Receiving Connect a...

Page 17: ...Refer to page 5 2 for details No AF signals are applied to the micro phone connector Set an FM deviation meter as HPF OFF LPF 20 kHz De emphasis OFF Detector P P 2 Wide Narrow setting Wide DTCS code...

Page 18: ...030003680 S RESISTOR ERJ3GEYJ 104 V 100 k R44 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 k R45 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 k R46 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 k R47 7030003440 S RE...

Page 19: ...S VARICAP 1SV217 TPH2 D41 1720000270 S VARICAP 1SV217 TPH2 D42 1720000270 S VARICAP 1SV217 TPH2 D43 1720000270 S VARICAP 1SV217 TPH2 D44 1720000360 S DIODE HSU88TRF D45 1750000550 S DIODE 1SS355 TE 17...

Page 20: ...473 V 47 k R15 7030003340 S RESISTOR ERJ3GEYJ 151 V 150 R16 7030003720 S RESISTOR ERJ3GEYJ 224 V 220 k R17 7030003720 S RESISTOR ERJ3GEYJ 224 V 220 k R18 7030003720 S RESISTOR ERJ3GEYJ 224 V 220 k R19...

Page 21: ...003560 S RESISTOR ERJ3GEYJ 103 V 10 k R239 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 k R240 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 k R242 7030003500 S RESISTOR ERJ3GEYJ 332 V 3 3 k R243 7030003460 S RE...

Page 22: ...R530 7030003500 S RESISTOR ERJ3GEYJ 332 V 3 3 k R531 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 k R532 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 k R533 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 k R534 70300...

Page 23: ...0J T A C126 4030007020 S CERAMIC C1608 CH 1H 120J T A C127 4030007060 S CERAMIC C1608 CH 1H 270J T A C128 4030007020 S CERAMIC C1608 CH 1H 120J T A C129 4030007070 S CERAMIC C1608 CH 1H 330J T A C130...

Page 24: ...E 105M 8L C340 4030006860 S CERAMIC C1608 JB 1H 102K T A C341 4030006860 S CERAMIC C1608 JB 1H 102K T A C343 4030006860 S CERAMIC C1608 JB 1H 102K T A C344 4030006860 S CERAMIC C1608 JB 1H 102K T A C3...

Page 25: ...CERAMIC C1608 JB 1E 103K T A C550 4030006860 S CERAMIC C1608 JB 1H 102K T A C551 4030006860 S CERAMIC C1608 JB 1H 102K T A C552 4030006860 S CERAMIC C1608 JB 1H 102K T A C553 4030009990 S CERAMIC C16...

Page 26: ...5 7 1 REF NO SECTION 7 MECHANICAL PARTS CHASSIS PARTS ORDER NO DESCRIPTION QTY REF NO FRONT UNIT ORDER NO DESCRIPTION QTY REF NO MAIN UNIT ORDER NO DESCRIPTION QTY J1 6510004880 Connector MR DS E 01 1...

Page 27: ...MP6 C MP3 C J2 M MP15 C MP12 C MP13 M MP2 M MP4 M MAIN Top side MP6 M J5 M MP2 C MP9 M MP12 M MP2 C MP8 M W4 M MP8 C MP5 C MAIN UNIT Bottom side FRONT UNIT MP1 C MP5 F MP6 F MP1 F MP7 F MP7 C OPPOSITE...

Page 28: ...Symbol K DTA114EU Symbol 14 DTA143ZU Symbol 113 DTA144EU Symbol 16 DTC114EU Symbol 24 DTC114YU Symbol 64 DTC144EU Symbol 26 DTC363EK Symbol H27 FMS2A Symbol S2 FMW2 Symbol W2 XP4601 Symbol 5C D S G2...

Page 29: ...MICE AFO 8V P0 P1 P2 P3 P4 1 4 7 2 5 8 0 3 6 9 MP2 SECTION 9 BOARD LAYOUTS The combination of this page and the next page show the unit layout in the same config uration as the actual P C Board 9 1 FR...

Page 30: ...5 8 4 1 49 64 48 1 33 16 32 17 39 38 65 1 102 64 12 A SPO B AFO C HANG 128 103 1 12 J2 VCC SQL SP SPE 8V FTXD FRXD POSW MICE MIC GND AFO from MAIN unit J5 9 2 BOTTOM VIEW...

Page 31: ...SCK J6 30 16 ESI ECS2 CPU5V ECK ESO GND 6 2 5 1 to Optional unit EX 1761 J7 VCC VCC SP SPE 8V FTXD FRXD POSW MICE MIC GND AFO to FRONT unit J2 J5 1 12 1 11 1 6 2 5 50 26 75 25 76 51 1 100 8 4 1 5 1 15...

Page 32: ...MP11 16 9 1 1 4 1 5 8 5 10 6 8 MP7 4 1 5 8 MP10 10 1 11 8 1 9 16 20 5 8 4 1 8 5 1 4 MP13 SP MP12 9 4 BOTTOM VIEW...

Page 33: ...TEMP N W NWC IC12 MC145190F Q18 2SC51110 Q25 DTC144EU Q26 DTC114EU IC13 TC4W66FU Q30 FMS2A Q31 FMW2 Q505 DTC144EU X501 R8V T8V HV VCC CPU5V VRX TMUT PWON 8V MT8V 5V CTRL 5V IC16 TA7808F Q36 2SD1664 Q3...

Page 34: ...2 R4 1k R5 100k R7 10k R8 220k O U T 1 V D D 2 V S S 3 N C 4 N C 5 IC3 S 80742SL D1 MA111 R6 470k R9 220k Q1 2SC4081 C11 0 01 R10 100k R17 100k Q3 DTC114EU 5V C18 0 1 C19 470p C21 1 C22 0 1 IC5 AN8005...

Page 35: ...S 15 SDA WAIT P97 16 P96 17 AS P95 18 WR P94 19 KEYIN13 PA5 20 KEYIN12 PA4 21 RD P93 22 IRQ0 P92 23 EIOW IRQ1 P91 24 ECS2 IRQ2 P90 25 P42 TMRI0 51 P43 TMCI HIRQ11 52 P44 TMO1 HIRQ1 53 P45 TMRI1 HIRQ1...

Page 36: ...10a NJM2904 D44 HSU88 R103 4 7k 5 6 7 IC10b NJM2904 R99 4 7k C409 47p R329 1k D45 1SS355 R361 4 7k Q12 2SJ377 R333 10k C394 470p R107 470 Q14 DTC144EU D509 DAN202U C116 470p IC16 TA7808F D15 DSA3A1 R3...

Page 37: ...6 C207 10 R564 47k R563 47k D27 DA204U R213 4 7k R212 4 7k Q40 2SD1664 Q41 2SC4116 D29 DA204U C406 470p C407 470p R566 47k R565 47k Q38 2SD1664 C267 10 C264 0 1 Q42 2SB1123 L504 3 3 Q43 2SC4081 C252 0...

Page 38: ...Australia Phone 03 9387 0666 Fax 03 9387 0022 Unit 9 Sea St Herne Bay Kent CT6 8LD U K Phone 01227 741741 Fax 01227 741742 URL http www icomuk co uk Zac de la Plaine Rue Brindejonc des Moulinais BP 58...

Page 39: ...6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan A 5547HI SV C 1998 by Icom Inc...

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