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SP1
K036NA500-26A27

SPG

0.001

C164

R234

82 k

MAIN UNIT

KUC3523-040245

MC1

MIC

33 k

R144

0.001

C163

0.001

JPM1990-2013R

BATT

VOL IN

VOL OUT

VCC

GND

RV-312

VR BOARD

EXT.
MIC

EXT.
SP

CHARGE

BATT

C173

OPT

EMIC

0.001

C165

C166

AF OUT

CLONE

22 p

C167

47 p

C299

0.001

C169

0.001

C170

BATT

GND

BATT

0.001

C171

470 p

C172

R156
18

Q27
2SB1132

SB07-03C

D25

R157
18

0.001

C200

0.001

C202

DA204U

D24

0.001

C201

R158
4.7 k

0.001

C203

DA204U

D27

15 k

R174

Q31
DTC144TU

470

R132

CLIN

CLOUT

TONE

EMIC

0.1

C148

220 k

R125

MIC

VOL IN

VOL OUT

AF OUT

VCC

VCC
T5
R5

Q22
2SB1132

Q40

XP1501

R213
10 k

R272
4.7 k

4.7 k

R139

Q21
2SA1588

Q20
2SA1588

0.01

C161

4.7 k

R137

0.01

C160

R5C

S5C

C177

C176

C175

C174

4.7 k

R141

0.001

C162

T5C

Q18
2SB1201

4.7 k

R134

0.001

C159

C278

1 k

R133

100

C158

0.001

C157

0.001

C156

C155

IC6
S-81250PG-PD

VCC

CPU5

0.01

C248

220 k

R220

Q36
2SC4081

TONE

BEEP

DTMF

330 k

R221

39 k

R218

0.1

C246

0.001

C247

1 k

R253

KR3

KR2

KR1

KR0

IR1/DST

IR0

MA6S121

D16

D22

1 k

R254

KS5

KS4

D33

D23

MA111

D34

1 k

R255

D17
MA6S121

D18

MA111

D20

KS3

KS2

KS1

KS0

CTCSS

DET

OPPO

0.1

C258

10 k

R217

X3
EFOS4194E3
[ANI] only

0.01

IC9
LC73881M

C198

INPUT

OSCO

OSCI

VSS

VDD

EST

STD

ACK

0.1

C264

680 k

R197

18 k

R191

R192

4.7 k

R199

Q33
2SC4081

0.047

C222

0.012

C225

220 k

R263

1 k

R200

0.01

C249

VDD

VSS

IC11
S-80742SL-A6

0.001

C197

10 k

R149

100 k

R146

0.47

C230

MA111

D15

220 k

R147

R148

Q23
2SC4081

0.001

C144

NTCCF20124AH

R182

R181

12 k

R103

0.1

C232

330 k

R215

150 k

R216

0.1

C231

R102

18 p

C195

D14
MA2S077

12 k

R214

0.001

C196

12 k

R106

CR-584

R101

6 p

C193

27 p

C194

RESET

CSIFT

OPCS

OPINT

SCK

ECS

IC10
TC4S01F

MA111

D31

only

[ANI]

Q39
DTA114TU

100 k

R259

IC7
X25040SI-2.7

1
2

3
4

CS
SO
WP

VSS

VCC

HOLD

SCK

0.001

C245

56 k

R208

560 k

R209

0.01

C251

0.001

C252

CTDA2

CTDA1

CTDA0

10 k

R229

22 k

R230

47 k

R231

Q35
2SC4081

R224

0.01

C250

1 k

R207

47 k

R203

C227

R202

0.027

0.0033

C228

0.047

C226

1 k

R281

R282

R283

R226

R290

R227

R256

SCK

UNLK

CL OUT

PLST

NOIS

OPINT

ECS

OPPD

OPCS

R260

R252

IR1/DST

IR0

18 k

R195

10 k

R196

100 k

R235

0.01

C199

CONT

1 k

R257

RMUT

MMUT

T5C

100 k

R237

TXC

1 k

R236

CTDA2

CTDA1

CTDA0

T4/PWR

AFON

SEG40

SEG39

SEG38

SEG37

SEG35

SEG34

SEG33

SEG31

SEG30

SEG29

DA05

DA04

DA03

DA02

DA01

DA00

LIGHT

8
9

PBO/AND

AVSS

TEST

VSS

OSC1

OSC2
RES
NMI

P20/IRG4/ADTRG

P21/SCK1

P22/SI1

P23/SO1

P24/SCK3

P25/RXD

P26/YXD

P27/IRQO

P17/IRQ3/TMIF

P16/IRQ2

P15/IRQ1

P14

P13/TMIG

P12/TMOFH

P11/TMOFL

P97/SEG40

P96/SEG39

P95/SEG38

P94/SEG37

P93/SEG36

P92/SEG35

P91/SEG34

P90/SEG33

P87/SEG32

P86/SEG31

P85/SEG30

P84/SEG29

P83/SEG28

P82/SEG27

P81/SEG26

P80/SEG25

P77/SEG24

P76/SEG23

P75/SEG22

P74/SEG21

P73/SEG20

P72/SEG19

P71/SEG18

P70/SEG17

P67/SEG16

HD6433875A41H

[THA]

HD6433875A45H

[Other]

IC8

P10/TMOW

VSS

VCC

PA3/COM4

PA3/COM3

PA3/COM2

PA3/COM1

P50/WKP0/SEG1

P51/WKP1/SEG2

P52/WKP2/SEG3

P53/WKP3/SEG4

P54/WKP4/SEG5

P55/WKP5/SEG6

P56/WKP6/SEG7

P57/WKP7/SEG8

P60/SEG9

P61/SEG10

P62/SEG11

P63/SEG12

P64/SEG13

P66/SEG/14

P66/SEG15

100 k

R279

0.1

C142

CL IN

1 k

R289

VCC

CPU5

100

SEG41

SEG42

SEG43

SEG44

SEG45

SEG46

SEG47

SEG48

SEG49

SEG50

SEG51

SEG52

BEEP

OTMF

PTT

CLV

TEMP

VIN

0.001

C256

LNJ310M6URA

DS2

LNJ310M6URA

DS3

Q25
2SC4081

15 k

R205

330

R183

DS4
LNJ808R8ERA

R204

470

R155

COM1

COM2

COM3

COM4

COM1

COM2

COM3

COM4

COM1

COM2

COM3
COM4

SEG29

SEG30

SEG31

SEG33

SEG34

SEG36

SEG37

SEG38

SEG39

SEG40

SEG41

SEG42

SEG43

SEG44

SEG45

SEG46

SEG47

SEG48

SEG49

SEG50

SEG51

SEG52

29
30

SEG1

SEG2

SEG3

SEG4

SEG5

SEG6

SEG7

SEG8

SEG9

SEG10

SEG11

SEG12

SEG13

SEG14

SEG15

SEG16

SEG17

SEG18

SEG19

SEG20

SEG21

SEG22

1 k

22 k

47 k

82 k

180 k

330 k

680 k

1 k

R287

R286

R284

R246

R247

R248

R249

R245

R258

R285

PB2/NA2

PB1/AN1

PB3/AN3

PB4/AN4

PB5/AN5

PB6/AN6

PB7/AN7

AVREF

VTREF

TONED

TONEM

AVCC

PE3/SEG52/CL2

PE2/SEG51/CL2

PE1/SEG50/DO

PE0/SEG49/M

PD7/SEG48

PD6/SEG47

PD5/SEG46

PD4/SEG45

PD3/SEG44

PD2/SEG43

PD1/SEG42

PD0/SEG41

VCC

CLV

PLST

SCK
SO

UNLK

L21

W10

0.001

0.1

C54

C56

IC1

PD3140GS

4
5
6

16
15
14

VCC1

IN1

ENB

CLK
DATA
T1

LOK

CP1
FI1

FO1

GND1

IN2

VCC2

GND2

CP2

FI2

FO2

2LO

150

R45

CR-514

C68
20p

22 p

C64

39 p

C63

VCC
T5

CLV

0.001

C233

C234

47 k

R186

Q34
2SK880

1.5

C48

C46

1.5 k

R33

47 k

R151

R298
22

680

R34

4.7 k

R32

0.1

C47

C218

VCOOUT
S5

GND

SHIFT

0.82

L12

LB-312

L11

C40
1 p

C45

MA77

C44

1.5 k

R29

HVU350

VCO BOARD

CHASSIS
UNIT

R5
S5

0.001

C51

L13

1.5

2 p

C53

4 p

C65

0.001

C67

10 p

C66

CFWM450E

F12

1 k

R85

NTCCF20123NH 153KCT

R90

15 k

R91

R262

22 k

R89

RV-152

R92

220 k

R88

1.5 k

R87

470 p

C121

82 k

R86

470 p

C122

0.1

C120

C119 0.01

C118

390

R84

IC2
TA31136FN (D)

2
3
4

5
6

11
10

OSCIN

OSCOUT
MIXOUT

VCC

IFIN

DEC

FILOUT
FILIN

MIXIN

GND

N-REC

N-DET

RSSI

IFOUT
QUAD

AFOUT

0.01

C272

Q32
UN521D

100 k

R30

0.1

C211

C285

R280

CDBCA450CX24

470

R81

C117

22 k

R242

1.2 k

R82

82 p

C279

10 p

C116

0.001

C111

C114

C113

C112

Q14
2SC4215

C110

82 k

R80

NOIS

DET

FL-251

FI1

1 k

R79

VCC

R5
S5
5V

1 k

R261

470

R131

C154

0.1

C147

100 k

R130

Q17
2SB1462

PTT

MIC
VOL IN
VOLOUT
AF OUT
EMIC

0.0022

C132

100 k

R104

100

R105

0.1

C133

IC3c
NJM2902V

120 p

C134

390 k

R108

10 k

R109

0.1

C217

0.01

C124

0.0033

C125

0.012

C126

5.6 k

R176

12 k

R93

560 k

R94

390 k

R95

IC3b
NJM2902V

47 k

R96

100 k

R166

IC4
BU4066BCFV

14
13

9
8

I/O

O/I

O/I
I/O

CONT.B

CONT.C

VEE

VDD

CONT.A

CONT.D

0.01

C131

VOL IN

R5C

MMUT

VCC

T5
S5

100

R28

220

R27

150

R23

1 p

C37

6.8 k

R26

0.001

18 p

0.001

C36

1 p

C38

6.8 k

R25

220

R24

Q7
2SC4226

Q8
2SC4226

C35

0.5 p

C34

180 p

C259

Q6
2SC4226

27 k

R22

L10
68 nH

C39

100

R240
100
470 [EUR, UK,
ITA, USA]

100

R21

R238

C32

1 k

R239

C31

47 k

R20

Q5
2SC4226

C30

C28

R15

C26

18 k

R18

MA77

27 p

C25

270

R16

C24

1.5 k

R11

C23

R10

2.7 k

R12

Q3
2SC3356

15 p

C22

C281
15 p

15 k

R163

R13

1 k

R162

Q28
2SC4081

VCC

0.15

R161

C10

10 k

C21

C20

C19

56 nH

L30

150

R266

L6
47 nH

0.001

C14

14.3 nH

25 nH

C204

33 p

C15

330

Q2
2SK3074

R292
56

C298
33 p

L33
33 nH

C291

C17

C13

0.001

Q1
2SK3075

33 p

C27

56 p

C11

C205

MA77

4 p

7 p

15 p

22 p

18 p

2 p

7 p

Q37
DTA144EU

0.01

C179

1 k

R210

0.1

C73

R52

10 k

R53

0.001

C243

180 k

R54

330 k

R264

0.01

C75

–

R55

IC3a
NJM2902V

L15

L16

22 p

C76

18 p

C77

HVU131TRF

D32
HVU131TRF

3 p

C78

39 p

C79

C80

150 p

C81

L14

Q29
2SC4226

0.001

C69

68 k

R49

220

R48

R46

5 p

C70

0.001

15 p [EUR, UK, ITA, USA]

15 p

0.001

C71

120

R47

L17

22 nH

L26

Q12
2SK360IG

HVU350

D10

39 p

C85

100 k

R62

R59

C87

R58

LS-523

L18

C90

330

R61

C260

100 k

R243

HVU350

D11

47 p

C92

R64

R66

3 p

C236

0.5 p

C94

C95

0.75 p

C97

D12

R69
560
1.5 k [EUR, UK, ITA, USA]

470

R68 68

C99

C102

Q13
2SK360IG

R71

2.2 k

R70

C105

LS-523

L19

L35 0.1

[EUR, UK,
ITA, USA]

R77

2.2 k

R76

C106

L20
1.8

0.01

C108

C107

VCC

100 k

R167

C128

R112

RMUT

TONE

CTCSS

10 k

8.2 k

R168

R169

0.01

0.1

C212

180 k

R97

R98

R107

C213

120 k

R115

220 p

C135

47 k

R114

0.0022

C136

100 k

R159

1 k

R116

IC3d
NJM2902V

1.5 k

R117

0.047

C137

6.8 k

R267

10 k

R118

12 k

R268

22 k

R269

1.8 k

R100

RV-110

R119

6.8 k

R99

4.7 k

R178

C129

AFON

VCC

0.001

C141

Q15
2SB1201

15 k

R120

3.3

C138

Q16
XP6501

6 5

0.001

C139

1 k

R121

C140

R123
4.7 k

1.8 k

R122

C145
100

C146

C295

IC5 TA7368F

NC
VCC
NC

VIN

RIPPLE

POUT

PWGND

PREGND

PHASE

12 k

R126

0.1

C149

0.1

C220

VOL OUT

220

C153

R127

C150

47 p

C151

R128

0.1

C152

AF OUT

Q19
XP6501

R219

68 k

L10

C296

0.1

R291
100 k

COM4

COM3

COM2

COM1

KS0

KS1

KS2

KS3

KS4

KR0

KR1

KR2

KR3

R5C

S5C

KS5

DS1
LM-1462B

4.7

6.8

C300

C33

0.001

MA77

56 nH

L32

56 nH

L31

39 nH

56 nH

C290

0.22

Q9
XP6401

L24
0.82

R160

120

28 nH

60 nH

C96

47 p

1LD

L22
1.8

R83

470

L25
1.5

C123

0.001

OUT

473 k

C41

82 nH

56 nH

27 p

2SC4403

0.001

60 nH

TXC

T4/PWR

L34
10

R294
10 k

R295
1 k

R296
1 k

R297
1 k

LEFT SIDE

RIGHT SIDE

TX: 0V
RX: 5.0V

TX: 0V
RX: 3.4V

TX: 0V
RX: 0.7V

TX: 0V
RX: 4.9V

4.5V

2.9V

TX: 0V
RX: 2.8V

TX: 1.1V
RX: 0V

0.7V

TX: 3.2V
RX: 1.2V

2.9V

2.4V

TX: 0.8V
RX: 0.7V

TX: 5.0V
RX: 0V

TX: 0V
RX: 0V

TX: 0V
RX: 2.8V

TX: 3.8V
RX: 0V

TX: 0V
RX: 0.8V

5.0V

4.7V

TX: 0V (SQL. open)
RX: 0V (SQL. close)

TX: 5V
RX: 0V

2.9V

9.5V

5.0V

8.2V

TX: 0V
RX: 1.0V

TX: 0V
RX: 3V

TX: 0V
RX: 0.4V

TX: 1.4V
RX: 0V

TX: 2.0V
RX: 0.5V

0.7V

SECTION 11 VOLTAGE DIAGRAM

11 - 1

Содержание IC-T2E-T

Страница 1: ...144 MHz FM TRANSCEIVER iC t2h iC t2e t...

Страница 2: ...6 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES 1 Make sure a problem is internal before disassembling the transceiver 2 DO NOT open the transceiver until th...

Страница 3: ...4 2 4 3 PLL CIRCUIT 4 3 4 4 POWER SUPPLY CIRCUITS 4 3 4 5 CPU PORT ALLOCATIONS 4 4 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 PLL AND TRANSMITTER ADJUSTMENTS 5 2 5 3 RECEIVER ADJUSTMENT...

Страница 4: ...d only 0 7 W typical low Modulation system Variable reactance frequency modulation Max frequency deviation 5 kHz Spurious emissions Less than 60 dB External microphone connector 3 conductor 2 5 d mm 1...

Страница 5: ...3140GS 1st mixer circuit Q13 2SK360IG FM IF IC IC2 TA31136FN Power amplifier Q1 2SK3075 EEP ROM IC7 X25040S1 2 7 TX RX switching D3 D4 MA77 Antenna switching circuit D8 D32 HVU131TRF Crystal filter FI...

Страница 6: ...assis Removing the MAIN unit q Remove the sealing rubber w Unsolder 2 points D and unscrew 1 nut E e Unscrew 2 screws F and 6 screws G silver 2 mm to separate the chassis and MAIN unit r Remove the MA...

Страница 7: ...signal coming from the VCO circuit to produce a 30 85 MHz 1st IF signal The 1st IF signal is applied to a crystal filter FI1 to suppress out of band signals The filtered 1st IF signal is applied to t...

Страница 8: ...pass filter circuit IC3d pins 13 14 via the analog switch IC4 pins 2 3 The filtered AF signals are applied to the modulator circuit after passing through the analog switch IC4 pins 8 9 and the deviati...

Страница 9: ...is detected on phase at the phase detector using the reference frequency If the oscillated signal drifts its phase changes from the ref erence frequency causing a lock voltage change to compen sate f...

Страница 10: ...ignal Low While power is ON Outputs transmit output power select HIGH or LOW signal Low HIGH power is selected Input ports for the PTT switch High While PTT is pushed Outputs LCD backlight control sig...

Страница 11: ...RADE AND RANGE Output voltage 9 6 V DC Current capacity 5 A or more Measuring range 1 10 W Frequency range 120 300 MHz Impedance 50 SWR Less than 1 2 1 Frequency range 0 1 300 MHz Frequency accuracy 1...

Страница 12: ...h HIGH Connect an audio generator to the MIC jack and set as 1 kHz 90 mV Set an FM deviation meter as HPF OFF LPF 20 KHz De emphasis OFF Detector P P 2 Transmitting MAIN Top panel Top panel Top panel...

Страница 13: ...tion 3 5 kHz Receiving Operating freq 146 000 MHz Connect the JIG to the SP jack Connect an SSG to the antenna con nector and set as Frequency 146 000 MHz Level 0 5 V 113 dBm Modulation OFF Receiving...

Страница 14: ...0010110 S XTAL CR 584 6 79966 MHz X3 6050009020 S CERAMIC EFOS4194E3 ANI only X4 6070000210 S DISCRIMINATOR CDBCA450CX24 L1 6200008260 S COIL 0 30 1 7 8TL 60N L2 6200008260 S COIL 0 30 1 7 8TL 60N L3...

Страница 15: ...8 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 k R181 7030005870 S RESISTOR RR0816R 104 D 100 k R182 7510000910 S THERMISTOR NTCCF2012 4AH 473KC T REF ORDER DESCRIPTION NO NO MAIN UNIT R183 7030003380 S R...

Страница 16: ...A REF ORDER DESCRIPTION NO NO MAIN UNIT C118 4030006900 S CERAMIC C1608 JB 1E 103K T A C119 4030008680 S CERAMIC C2012 JF 1C 105Z T A C120 4030011600 S CERAMIC C1608 JB 1C 104KT N C121 4030006850 S CE...

Страница 17: ...62B DS2 5010000160 S LED LNJ310M6URA DS3 5010000160 S LED LNJ310M6URA DS4 5040002190 S LED LNJ808R8ERA MC1 7700002160 MICROPHON KUC3523 040245 S1 2230000900 S SWITCH JPM1990 2013R W1 7030003860 S JUMP...

Страница 18: ...Rear sheet J 1 SEA CSA 1 TWN ANI 8930047940 1902 Rear sheet K USA 1 8930047950 1902 Rear sheet L EUR UK ITA 1 MP19 8830001250 Nut antenna connector 101 1 MP20 8810000100 Screw PH M2 4 ZK 2 MP21 88100...

Страница 19: ...P15 C EP2 M MP24 C MP17 C MP33 C MP30 C MP31 C SP1 C MP21 C VR board MP21 C MAIN unit MP21 C MP21 C MP35 C MP21 C MP1 VCO MP28 C MP34 C MP1 M MP25 C MP11 C MP1 C MP18 C MP23 C MP10 C J1 C MP20 C MP4 C...

Страница 20: ...2SC4403 3 LY3 B E C 2SK3074 WA G D S S 2SK880 Y XY G S D UN521D 8M B E C DTA114TU 94 DTC144TU 06 DTC144EU 26 B E C XP1501 AB 5R C1 C2 E B1 B2 XP6401 5O E E B C C B 2SK3075 RF72 G D S S 2SK360IG TR IG...

Страница 21: ...D VCC VR BOARD VCO OUT S5V GND SHIFT LV The combination of this page and the next page shows the unit layout in the same configuration as the actual P C Board SECTION 9 BOARD LAYOUTS MAIN UNIT J6 VCC...

Страница 22: ...the unit layout in the same configuration as the actual P C Board EMIC OPT EXT MIC J2 CLONE AF OUT SP EXT SP J3 CHARGER J4 PTT SWITCH J1 CHASSIS BATT VOL IN VOL OUT GND VCC VR BOARD VCOOUT S5V GND SH...

Страница 23: ...IGHT LED SW CPU 5 IC9 IC10 Q39 ANI only X3 4 194 MHz Q33 Q35 Q36 RESET DTMF DECODER LPF CTDA 0 2 COM 1 4 SEG 29 52 CIN DTMF DTMF BEEP LPF BUFFER IC6 R5C S5C T5C IC11 D15 Q23 IC8 CPU X2 6 8 MHz D14 CLO...

Страница 24: ...k R230 47 k 47 k R231 Q35 2SC4081 R224 0 01 C250 1 k R207 47 k 47 k R203 C227 R202 0 027 0 0033 C228 0 047 C226 1 k 1 k 1 k 1 k 1 k 1 k 1 k 1 k 1 k R281 R282 R283 R226 R290 R227 R256 SCK SI SO UNLK C...

Страница 25: ...9 8 I O I O I O O I O I O I O I I O CONT B CONT C VEE VDD CONT A CONT D 0 01 C131 VOL IN R5C MMUT VCC T5 S5 100 R28 220 R27 150 R23 1 p C37 6 8 k R26 0 001 0 001 0 001 0 001 18 p 0 001 0 001 0 001 0 0...

Страница 26: ...EG42 PD0 SEG41 VCC CLV PLST SCK SO UNLK L21 W10 0 001 0 1 C54 C56 IC1 PD3140GS 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VCC1 IN1 ENB CLK DATA T1 LOK CP1 FI1 FO1 GND1 IN2 VCC2 XB XI XO GND2 C...

Страница 27: ...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...

Страница 28: ...A 5518MI S 1998 by Icom Inc 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan Count on us...

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