background image

JT220M

C21
103P

E2
47uF/10V

C1
104P

5M

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

J1

M

A

IN

I

N

T

E

R

F

A

C

E

(0

.5

S

-1

X

-3

2

P

W

B

)

MICG
MICI

C29
103P

C40
22P

C51
10P

Y2

7.3728MHz

S3

ENCODER(ED097120-FB 15A7.0-C10-200)

C26
103P

C25
103P

R39
47K

R38
47K

Vout

1

G

N

D

2

VCC

3

U5
S7133SF

R69

100K

C6
104P

5M

Q5
2SC1623

R59

470K

R55

470R

R54

100R

R56
4K7

R13

1K

R63
56R

R40
47K

C12

102P

C24
102P

C23
103P

C28
103P

C27
103P

C4
104P

C19
102P

C22
103P

5C

E3
47uF/10V

C3
104P

L4

271T

5M

5M

E4
47uF/10V

L5

271T

C32
105P

5M

Q2
DTC114EE

D3

orange

Q1
DTC114EE

FB

FB

8C

5C

MICG

MICI

R64
56R

R49

470R

R27
10K

R1

1K

R12

1K

R14

1K

R48

12K

R16

1K

R15

1K

R3

1K

C18
102P

C11

102P

C20
102P

C7
102P

C48
NOUSE

C8
102P

Q6
2SC1623

Q7
2SD468

5M

L1
271T

L2
271T

L3
271T

D1
5V1

R47
12K

R37
47K

FB

D2
5V1

R62
33K

R30

10K

ACS

1

1

3

3

W

2

W1

10K(RO9512NO-FB15A7. 0-B103-005)

5C

S4
V/M

S5
MHz

S6
TSQ

S7
CALL

S8
SQL

S1
POWER

S2
FUNC

MICM

SQL

RXC

RSSI

AFM

SPM

STB

SUB
CLK

DTMF

DAT

PLD

ELD

W/N\

RX/T\X\

AIR

TXC

SUBB

PASS

SUBO

R58

4K7

R57

2K2

C36
273P

C35
273P

DTMF-DET

MIC

VOLTAGE
DETECTOR

(RESET)

CPU

LCD

DRIVER

DC SWITCH

LCD BACKLIGHT

DIMMER

FUNCTION

SWITCH

MIC AMP

ADJUASTMENT

VOLUME

ADJUASTMENT

MENU

SEG26/P52

1

SEG27/P53

2

SEG28/P54

3

SEG29/P55

4

SEG30/P56

5

SEG31/P57

6

TBPWM/P30

7

TAPWM/TAOUT/P31

8

TACLK/P32

9

TACAP/SDAT/P33

10

SCLK/P34

11

VDD

12

VSS

13

XOUT

14

XIN

15

TEST

16

XTIN

17

XTOUT

18

nRESET

19

INT0/P00

20

INT1/P01

21

INT2/P02

22

INT3/P03

23

INT4/P04

24

I

N

T

5

/P

0

5

2

5

I

N

T

6

/P

0

6

2

6

I

N

T

7

/P

0

7

2

7

T

1

C

A

P

/P

1

0

2

8

T

1

C

L

K

/P

1

1

2

9

T

1

PW

M

/T

1

O

U

T

/P

1

2

3

0

P

1

3

3

1

B

U

Z

/P

1

4

3

2

S

O

/P

1

5

3

3

S

C

K

/P

1

6

3

4

S

I/

P1

7

3

5

A

D

C

0

/P

2

0

3

6

A

D

C

1

/P

2

1

3

7

A

D

C

2

/P

2

2

3

8

A

D

C

3

/P

2

3

3

9

A

D

C

4

/P

2

4

4

0

ADC5/P25

41

ADC6/P26

42

ADC7/VLDREF/P27

43

AVREF

44

AVSS

45

CB

46

CA

47

VLC0

48

VLC1

49

VLC2

50

COM0

51

COM1

52

COM2

53

COM3

54

SEG0

55

SEG1

56

SEG2

57

SEG3

58

SEG4

59

SEG5

60

SEG6

61

SEG7

62

SEG8

63

SEG9

64

S

E

G

1

0

6

5

S

E

G

1

1

6

6

S

E

G

1

2

6

7

S

E

G

1

3

6

8

S

E

G

1

4

6

9

S

E

G

1

5

7

0

S

E

G

1

6

/P

4

0

7

1

S

E

G

1

7

/P

4

1

7

2

S

E

G

1

8

/P

4

2

7

3

S

E

G

1

9

/P

4

3

7

4

S

E

G

2

0

/P

4

4

7

5

S

E

G

2

1

/P

4

5

7

6

S

E

G

2

2

/P

4

6

7

7

S

E

G

2

3

/P

4

7

7

8

S

E

G

2

4

/P

5

0

7

9

S

E

G

2

5

/P

5

1

8

0

U2

S3P8249(QFP)

CS

1

RD

2

WR

3

DATA

4

VSS

5

OSCO

6

OSCI

7

VLCD

8

VDD

9

IRQ

10

BZ

11

BZ

12

C

O

M

0

1

3

C

O

M

1

1

4

C

O

M

2

1

5

C

O

M

3

1

6

S

E

G

31

1

7

S

E

G

30

1

8

S

E

G

29

1

9

S

E

G

28

2

0

S

E

G

27

2

1

S

E

G

26

2

2

S

E

G

25

2

3

S

E

G

24

2

4

SEG23

25

SEG22

26

SEG21

27

SEG20

28

SEG19

29

SEG18

30

SEG17

31

SEG16

32

SEG15

33

SEG14

34

SEG13

35

SEG12

36

S

E

G

11

3

7

S

E

G

10

3

8

S

E

G

9

3

9

S

E

G

8

4

0

E

S

G

7

4

1

S

E

G

6

4

2

S

E

G

5

4

3

S

E

G

4

4

4

S

E

G

3

4

5

S

E

G

2

4

6

S

E

G

1

4

7

S

E

G

0

4

8

U3

HT1621M

C31
105P

R42

47K

R43

47K

R44

47K

R41

47K

L6

271T

Q4

DTC144EE

C39
22P

R6

1K

5M

5M

VLC0

VLC1

VLC2

VLC0

VLC1

VLC2

U

R

X

R68

100K

C

O

M

0

C

O

M

1

C

O

M

2

C

O

M

3

S

E

G

0

S

E

G

0

S

E

G

1

S

E

G

2

S

E

G

3

S

E

G

4

S

E

G

5

S

E

G

6

S

E

G

7

S

E

G

8

S

E

G

9

S

E

G

1

0

S

E

G

1

1

SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23

SEG24

P

0

1

P

0

2

P

0

3

P

0

4

P

0

5

P

0

6

P

0

7

P02

P03

P07

R71

24K

R46

47K

R70

100K

R45

47K

5M

P20

P21

P22

P23

P24

P25

P26

P27

R7

1K

P21

P22

P23

P24

P25

P26

P55

P

1

0

P

1

1

P

1

2

P

1

3

P

1

4

U

T

X

P

1

6

P

1

2

CTCSS

SIN

TONE

P13

P16

P32
P33
P34

P32

P40

P41

P42

P43

P44

P45

P46

P47

P40

P41

P42

P43

P44

P45

P46

P47

COM0

COM1

COM2

COM3

P50

P51

P52
P53
P54
P55
P56
P57

P50

P56

P57

P51

P52

P53
P54

1
2
3
4
5
6
7
8

J3

HAND MIC INTERFACE

C34

473P

R32
10K

MICG

R4
1K

R5

1K

R10
1K

R65

1K

R11

1K

C13
102P

C33
473P

5C

C16
102P

C47
NOUSE

R9
1K

C15
102P

R31
10K

R33
10K

5M

A

1

B

2

C

3

J2

PHONEJACK STEREO

MIC

PTT

D

O

W

N

UP

R66
8K2

UART PART

URX

URX

P01

P10

P11

UTX

SEG25
SEG26
SEG27

POWER LED

D9
orange

R51

470R

TX LED

Q3
DTC144EE

P47

PST

P04

CS

1

OSC OUT

2

OSC IN

3

GND

4

CLK

5

DI

6

TONE

7

VCC

8

U4

HT9200A

Y1
3.58MHz

C42

20P

C43

20P

5M C5

104P

P14

P56

P57

P31

DTMF

ENCODER

S

E

G

1

S

E

G

2

S

E

G

3

S

E

G

4

S

E

G

5

S

E

G

6

S

E

G

7

S

E

G

8

S

E

G

9

S

E

G

1

0

S

E

G

1

1

S

E

G

1

2

S

E

G

1

3

S

E

G

1

4

S

E

G

1

5

S

E

G

1

6

S

E

G

1

7

S

E

G

1

8

S

E

G

1

9

S

E

G

2

0

S

E

G

2

1

S

E

G

2

2

S

E

G

2

3

S

E

G

2

4

S

E

G

2

5

S

E

G

2

6

S

E

G

2

7

S

E

G

2

8

S

E

G

2

9

S

E

G

3

0

S

E

G

3

1

S

E

G

3

2

S

E

G

3

3

S

E

G

3

4

S

E

G

3

5

S

E

G

3

6

S

E

G

3

7

C

0

M

4

C

0

M

5

C

0

M

6

C

0

M

7

C0M4

C0M5

C0M6

C0M7

SEG28

SEG29

SEG30

SEG31

SEG32

SEG33

SEG34

SEG35

SEG36

SEG37

C9
102P

R28

10K

C10
102P

R29

10K

P05
P06

C17
102P

R35

10K

C14
102P

1

1

2

2

3

3

D14
DA221

1

1

2

2

3

3

D13
DA221

5M

1

1

2

2

3

3

D10

DA221

1

1

2

2

3

3

D11

DA221

1

1

2

2

3

3

D12

DA221

5M

R60
22K

C2
104P

R20

1K

R36
220K

Vout

3

V

ss

1

Vin

2

U1
HT7550-1

E1
22uF/25V

PTT

CE0

1

CE1

2

CE2

3

G

N

D

4

SDA

5

SCL

6

MODE

7

V

C

C

8

U6

AT24C64RM(8)

R34

10K

EEPROM

C30
103P

C38
103P

C37
225P

R61

56K

R67

39K

C44
473P

5M

C49

225P

C50
104P

R21

51K

C46

182P

R22

33K

DTMF-DET

P33

P34

1
2

J4

NOUSE/10K

R8

24K

3

2

1

8

4

U8A

LM2904V

5

6

7

U8B

LM2904V

5M

COM

1

INH

2

VEE

3

VSS

4

A

5

CH0

6

CH1

7

VDD

8

U7

TC4W53FU

SIN

CTCSS

P31

P27

R2
22K

R17
33K

TONE

R18
2K2

C41

121P

C

O

M

0

1

C

O

M

1

2

C

O

M

2

3

C

O

M

3

4

C

O

M

4

4

3

C

O

M

5

4

4

C

O

M

6

4

5

C

O

M

7

4

6

S

E

G

2

7

5

S

E

G

2

6

6

S

E

G

2

5

7

S

E

G

2

4

8

S

E

G

2

3

9

S

E

G

2

2

1

0

S

E

G

2

1

1

1

S

E

G

2

0

1

2

S

E

G

1

9

1

3

S

E

G

1

8

1

4

S

E

G

1

7

1

5

S

E

G

1

6

1

6

S

E

G

1

5

1

7

S

E

G

1

4

1

8

S

E

G

1

3

1

9

S

E

G

1

2

2

0

S

E

G

1

1

2

1

S

E

G

1

0

2

2

S

E

G

9

2

3

S

E

G

8

2

4

S

E

G

7

2

5

S

E

G

6

2

6

S

E

G

5

2

7

S

E

G

4

2

8

S

E

G

3

2

9

S

E

G

2

3

0

S

E

G

1

3

1

S

E

G

0

3

2

S

E

G

3

7

3

3

S

E

G

3

6

3

4

S

E

G

3

5

3

5

S

E

G

3

4

3

6

S

E

G

3

3

3

7

S

E

G

3

2

3

8

S

E

G

3

1

3

9

S

E

G

3

0

4

0

S

E

G

2

9

4

1

S

E

G

2

8

4

2

DS1
LCD-5189W(GDH-706W)

R53
220R

8C

D5
BL(BLUE)

SCHEMATIC DIAGRAM

Содержание JT220M

Страница 1: ...Stability 2 5ppm Dimensions W x H x D 145 x 47 x 190 mm Weight Approx 1 2kg 2 6lb RECEIVER Circuitry Double conversion superheterodyne Intermediate Frequency 1st 2nd 38 85MHz 450kHz Sensitivity 12dB S...

Страница 2: ...15 AF SQ P24 MULTIPLY X2 PLL IC TCXO 8C 5C X200 P53 P51 P50 P07 5C D A U505 M62364F 3 8 CONV CTCSS D A CONV U505 M62364F 1 8 U205 LMX1511 CHARGE PUMP CHARGE PUMP Q223 2SA1832 GR Q224 2SC4738 GR 19 200...

Страница 3: ...and a band pass filter L206 L207 and varactor diodes D207 D208 After the signal is amplified Q206 the signal is filtered through a band pass filter L205 L206 and varactor diodes D205 D206 to eliminat...

Страница 4: ...s high the ceramic filter SW diodes D200 D201 cause CF201 to turn on to receive a Wide signal When the Narrow port is low the ceramic filter SW diodes D200 D201 cause CF200 to turn on to receive a Nar...

Страница 5: ...l in the phase comparator in U205 The output signal from the phase comparator is filtered through a low pass filter and passed to the VCO to control the oscillator frequency See Fig 6 VCO The operatin...

Страница 6: ...high frequency harmonic components and the resulting signal is transmitted through the antenna terminal See Fig 8 Fig 8 Transmitter system APC Circuit The automatic transmission power control APC cir...

Страница 7: ...as an 64k bit EEPROM U6 The EEPROM contains adjustment data The CPU U2 controls the EEPROM through two serial data lines See Fig 11 Fig 11 APC Circuit Display Circuit The CPU U2 controls the display L...

Страница 8: ...with MOD and the resulting signal goes to the VCO This signal is applied to a varicap diode in the VCO for direct FM modulation See Fig 13 Fig 13 Encode circuit Decode CTCSS DCS DTMF The signal from A...

Страница 9: ...lied to the radio the voltage regulator IC U1 supply into the CPU VDD and reset voltage detect IC U5 U5 will generate signal RESET in to the reset terminal on the CPU U2 to carry out a power ON reset...

Страница 10: ...ithin 200Hz 2 Maximum power alignment 1 CH TX high 2 Adjustment HEX value FF 3 Transmit Power meter VR200 55W 3 High power 1 CH TX low CH TX low CH TX center CH TX high CH TX high 2 Transmit Encoder k...

Страница 11: ...11 DTMF deviation 1 CH TX center Wide Narrow 2 Transmit 3 0 kHz Wide 1 5kHz Narrow 100Hz Receiver Section Item Condition Measurement Adjustment Specifications Remarks Test equipment Terminal Parts Me...

Страница 12: ...0 SMT CAPACITOR 0603 2 22P 5 50V C41 SMT CAPACITOR 0603 1 120P 5 50V C42 C43 SMT CAPACITOR 0603 2 20P 5 50V C44 SMT CAPACITOR 0603 1 473 10 50V C46 SMT CAPACITOR 0603 1 182P 10 50V C47 C48 SMT CAPACIT...

Страница 13: ...55 SMT RESISTOR 0603 1 470R 5 R56 SMT RESISTOR 0603 1 4 7K 5 R57 SMT RESISTOR 0603 1 2 2K 5 R58 SMT RESISTOR 0603 1 4 7K 5 R59 SMT RESISTOR 0603 1 470K 5 R60 SMT RESISTOR 0603 1 22K 5 R61 SMT RESISTOR...

Страница 14: ...SMT IC SOP 8 1 AT24C64RM 8 U7 SMT IC SSOP8 P 1 TC4W53FU U8 SMT IC SSOP8 1 LM2904V L1 L3 SMT FERRITE BEAD BLACK 0805 3 271T L4 L6 SMT FERRITE BEAD BLACK 0603 3 271T J1 FLAT CABLE CONNECTOR SSOI32F 1 0...

Страница 15: ...603 8 103 10 50V C226 SMT CAPACITOR 0603 1 NOUSE C227 C230 SMT CAPACITOR 0603 4 104 10 50V C231 SMT CAPACITOR 0603 1 NOUSE C232 C237 SMT CAPACITOR 0603 6 104 10 50V C238 SMT CAPACITOR 0805 1 104 10 50...

Страница 16: ...91 C292 SMT CAPACITOR 0603 2 NOUSE C293 SMT CAPACITOR 0603 1 18P 5 50V C294 C295 SMT CAPACITOR 0603 2 NOUSE C296 SMT CAPACITOR 0603 1 18P 5 50V C297 C298 SMT CAPACITOR 0603 2 2P 0 1P 50V C299 SMT CAPA...

Страница 17: ...R 0603 1 470P 10 50V C327 SMT RESISTOR 0603 1 0R 5 C328 C340 SMT CAPACITOR 0603 13 470P10 50V C341 SMT CAPACITOR 0603 1 5P 0 1P 50V C342 C344 SMT CAPACITOR 0603 3 16P 5 50V C345 C346 SMT CAPACITOR 121...

Страница 18: ...75 C377 SMT CAPACITOR 0603 3 100P 5 50V C378 SMT CAPACITOR 0603 1 33P 5 50V C379 SMT CAPACITOR 0603 1 68P 5 50V C380 SMT CAPACITOR 0603 1 680P 10 50V C381 SMT CAPACITOR 0805 1 474 10 50V C382 C383 SMT...

Страница 19: ...C521 SMT CAPACITOR 0603 6 104 10 50V C522 SMT CAPACITOR 0603 1 104P 5 50V C523 C526 SMT CAPACITOR 0603 4 104P 5 50V C527 SMT CAPACITOR 0603 1 82P 10 50V C528 C530 SMT CAPACITOR 0603 3 NOUSE C531 SMT...

Страница 20: ...5 2 470uF25V E102 E105 ELECTRO 4 8 4 47uF25V E200 ELECTRO 4 8 1 47uF25V E202 SMT TANTALUM CAPACITOR A type 1 0 22uF 20 35V E203 ELECTRO 5 8 1 100uF16V E204 ELECTRO 5 8 1 47uF25V E205 SMT TANTALUM CAPA...

Страница 21: ...ISTOR 0603 2 47K 5 R106 SMT RESISTOR 0805 1 1K 5 R200 R201 SMT RESISTOR 0603 2 15K 5 R202 SMT RESISTOR 0603 1 3 9K 5 R203 SMT RESISTOR 0603 1 3 3K 5 R204 R210 SMT RESISTOR 0603 7 10K 5 R211 SMT RESIST...

Страница 22: ...242 R244 SMT RESISTOR 0603 3 100R 5 R245 SMT RESISTOR 2010 1 100R 5 R246 SMT RESISTOR 0603 1 100R 5 R247 R249 SMT RESISTOR 0603 3 100K 5 R250 SMT RESISTOR 0603 1 39K 5 R251 R256 SMT RESISTOR 0603 6 10...

Страница 23: ...30K 5 R292 SMT RESISTOR 0603 1 4 7K 5 R293 R294 SMT RESISTOR 0603 2 NOUSE R295 SMT RESISTOR 0603 1 2 2K 5 R296 SMT RESISTOR 0603 1 180K 5 R297 R299 SMT RESISTOR 0603 3 NOUSE R300 SMT RESISTOR 0603 1 2...

Страница 24: ...0603 1 10R 5 R333 SMT RESISTOR 0603 1 47R 5 R334 SMT RESISTOR 0603 1 51K 5 R335 SMT RESISTOR 0603 1 4 7K 5 R336 SMT RESISTOR 0603 1 1 5K 5 R337 SMT RESISTOR 1206 1 33R 5 R338 SMT RESISTOR 0603 1 270R...

Страница 25: ...R 0603 1 NOUSE R541 SMT RESISTOR 0603 1 1K 5 R542 R544 SMT RESISTOR 0603 3 NOUSE R545 SMT RESISTOR 0603 1 30K 5 R546 SMT RESISTOR 0603 1 22K 5 R547 SMT RESISTOR 0603 1 0R 5 R548 R549 SMT RESISTOR 0603...

Страница 26: ...1 150K 1 R578 SMT RESISTOR 0603 1 4 22K 1 R579 SMT RESISTOR 0603 1 715K 1 R580 SMT RESISTOR 0603 1 22K 5 R581 SMT RESISTOR 0603 1 39K 5 R582 SMT RESISTOR 0603 1 680K 5 R583 SMT RESISTOR 0603 1 100K 5...

Страница 27: ...TANCE DIODE 0805 2 NOUSE D223 SMT VARIABLE CAPACITANCE DIODE 0805 1 JDV2S14E FH D224 D225 SMT DIODE 0805 2 1SS355 D226 D227 SMT DIODE SC 79 2 MA2S111 D228 SMT ZENER DIODE 0805 1 5 1V D229 SMT ZENER DI...

Страница 28: ...4215 Q212 SMT FET SOT 89 1 2SK3078A Q213 SMT DIGITAL TRANSISTOR EMT3 1 DTA114EE Q214 SMT FET PLD 1 RD07 Q216 SMT FET TO500 1 MRF7042 Q217 Q218 SMT FET SOT 323 2 2SK1875 Q219 SMT FET SOT 523 1 2SJ243 Q...

Страница 29: ...R CORE COIL 4 0 35 1 4 6T L208 SMT CAPACITOR 0805 1 2P 0 1P 50V L209 SMT RESISTOR 0805 1 0R 5 L210 L211 SMT SMALL FIXED INDUCTOR 0603 1 47NH L212 SMT WIRE WOUND INDUCTOR 0805 1 39NH L213 L214 SMT WIRE...

Страница 30: ...246 AIR CORE COIL 2 0 5 3 9 5T L247 SMT WIRE WOUND INDUCTOR 0805 1 22NH L248 SMT SMALL FIXED INDUCTOR 0603 1 27NH L249 L250 SMT FERRITE BEAD BLACK 0603 2 271T L251 L252 SMT SMALL FIXED INDUCTOR 0603 2...

Страница 31: ...JT220M PC board views...

Страница 32: ...PC board views JT220M...

Страница 33: ...PC board views JT220M...

Страница 34: ...PC board views JT220M...

Страница 35: ...PC board views JT220M...

Страница 36: ...PC board views JT220M...

Страница 37: ...PC board views JT220M...

Страница 38: ...PC board views JT220M...

Страница 39: ...K 11 OSC IN 1 FIN 10 DATA 13 LE 14 FC 15 PWDN 19 DO 6 LD 8 OSC OUT 3 BISW 16 FOUT 17 PMPp 18 PMPr 20 NC 2 NC 9 NC 12 VP 4 VCC 5 GND 7 U205 LMX1511TM 20 L209 R0 C362 7P C C256 102P 8C C352 12P D 3 G 2...

Страница 40: ...A 1 B 2 C 3 J502 PHONEJACK VLO C508 103P 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 J500 MAI N I NTERFA CE 0 5S 1 32PB W N RSSI AIR RX TX CLK DAT STB PLD MI...

Страница 41: ...DATA LINE PLL STB ENABLE PLL LD LINE DET SQUELCH DET MOD AUDIO AM SW PC TV MOD SUB WIDE NARROW RSSI RX TX FREQ CONT AF SQ TEMP QX5188VHF RF QX5188VHF RF Sch PLL CLOCK LINE PLL DATA LINE PLL STB ENABLE...

Страница 42: ...41 SEG6 42 SEG5 43 SEG4 44 SEG3 45 SEG2 46 SEG1 47 SEG0 48 U3 HT1621M C31 105P R42 47K R43 47K R44 47K R41 47K L6 271T Q4 DTC144EE C39 22P R6 1K 5M 5M VLC0 VLC1 VLC2 VLC0 VLC1 VLC2 URX R68 100K COM0 C...

Отзывы: