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JT220M

R506
10K

R580

22K

R579
715K-1%

C555
152P(J)

R508
47K

C539
224P(J)

R563

470K

R507

3K3

C531
39P

R571
25K5-1%

R521
20K

R576
11K5-1%

C554
272P(J)

R577
150K-1%

C503
103P

C521

104P

R574
15K8-1%

R572
5K11-1%

C553
473P(J)

E512

10uF/10V

R530
100K

C541
393P(J)

R573
634K-1%

C537
391P

R564

390K

R575
29K4-1%

C540
222P(J)

R578
4K22-1%

R566

56K

C522
104P(J)

R528
100K

R516

1K

R570

68K

C556

102P(J)

R527

100K

R553
1M

R581

39K

R565
39K

R531

100K

C517
104P

C516
104P

R569

12K

C501
103P

R562

33K

R547

20K

DET

C542

103P(J)

C543

103P(J)

C544

103P(J)

C545

103P(J)

C546

103P(J)

C547

103P(J)

C548

103P(J)

C549

103P(J)

C550

103P(J)

C538

273P(J)

C519
104P

R532

100K

R552
1M

E503

1uF/16V

C523

104P

SUBO

SUBB

E506

1uF/16V

5C

5C

5C

E505
1uF/16V

E514
10uF/10V

VB

VB

VB

VB

VB

VB

R518

10K

C561

47P

E509

1uF/16V

C526

104P

R509
47K

C560

102P(J)

R510

47K

1

1

2

2

3

3

D501

1SS372

R560

18K

R583

100K

C525
104P

E522
2.2uF/10V

R500

470R

5C

R558
R0

E508

1uF/16V

R568

56K

R557
R0

VB

R561

120K

C532

33P

R584

9K1

R550
1K

E502

1uF/16V

C524

104P

R539
100K

R538

100K

R582
680K

VB

C559
681P(J)

R537

100K

R536

100K

C558

332P(J)

C527
82P

R519

2K

C518

104P

R523

1K5

5C

C502
103P

R533

100K

R534

100K

R535

100K

R567

120K

C536

391P

VB

SQUELCH DET

MOD-AUDIO

MOD-SUB

Vin1

1

Vout1

2

Vout2

3

Vin2

4

VDD

5

LD

6

CLK

7

DI

8

Vin3

9

Vout3

10

Vout4

11

vin4

12

vin5

13

Vout5

14

Vout6

15

Vin6

16

DO

17

VDAref

18

RESET

19

GND

20

Vin7

21

Vout7

22

Vout8

23

Vin8

24

U505

M62364F

FREQ-CONT

C507
103P

C505
103P

E516
4.7uF/6. 3V

E515
10uF/10V

R517

1K

R515

1K

R544
NOUSE

C506
103P

Q502
2SC4181

D502
DAN222

C552

104P

5C

5C

C504
103P

AFWN

SQL

DTMF-DET

AFM

E507

1uF/16V

E518

563P(1206)

AFWN

AF-IN

AF-IN

MODAO

MODAO

MODBO

MODBO

SUB

MODAI

MODAI

FRQO

FRQO

AM-SW

WIDE/NARROW

RSSI

RX/TX

PLL CLOCK LINE

PLL DATA LINE

PLL STB ENABLE

PLL LD LINE

PC/TV

PC/TVO

PC/TVO

ELD

CLK

DAT

SUB

DTMF

C557

105P

R520

1K

VLO

MICM

MICO

MICO

B

B

C

C

E

E

Q500
DTC144EE

SBE

C509
103P

LS500

SPK-8R-56

E521
330uF/25V-10*16

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

M

A

I

N

I

N

T

E

R

F

A

C

E

(

0

.5

S-

1

-3

2

P

B

)

W/N
RSSI
AIR
RX/TX

CLK
DAT
STB
PLD

MICI

MICI

SQL

RSSI

MICM

RXC

AFM

DTMF-DET

SPM

STB

CLK

DAT

ELD

PLD

AIR

RX/TX

W/N

TXC

DTMF

SUBO

SUBB

8RX-CONTROL

8TX-CONTROL

AM/FM-CONTROL

SUB

RXC

AIR

TXC

C551
103P(J)

C530
NOUSE R522

22K

C515
102P

SPLATTER

FILTER

AGC/

MIC MUTE

MIC AMP/

IDC

AUDIO AMP

DIGITAL

POTENTIOMETER

BUFFER AMP

CTCSS/DCSLPF

FILTER

AUDIO/HPF

FILTER

AUDIO/LPF

FILTER

REFERENCE

VOLTAGE

1A

2A

2B

2C

2D

1B

1C

1D

3A

3B

3C

3D

4A

4B

4C

4D

3

2

1

4

1

1

U501A

NJM2902

5

6

7

U501B

NJM2902

12

13

14

U502D

NJM2902

10

9

8

U502C

NJM2902

10

9

8

U501C

NJM2902

12

13

14

U501D

NJM2902

3

2

1

4

1

1

U502A

NJM2902

5

6

7

U503B

NJM2902

5

6

7

U502B

NJM2902

3

2

1

4

1

1

U503A

NJM2902

12

13

14

U503D

NJM2902

10

9

8

U503C

NJM2902

3

2

1

4

1

1

U504A

NJM2902

5

6

7

U504B

NJM2902

10

9

8

U504C

NJM2902

12

13

14

U504D

NJM2902

MICG

A

1

I

N

7

A

2

IN

9

C

M

P

R

S

IN

3

C

M

U

T

E

4

E

M

U

T

E

1

2

E

X

P

IN

1

4

P

T

8

A

1

O

U

T

6

A

2

O

U

T

1

0

C

M

P

R

S

2

E

X

P

O

U

T

1

5

C

M

P

R

S

F

IL

T

5

E

X

P

F

IL

T

1

1

N

C

1

3

V

C

C

1

6

G

N

D

1

U500
MC33111

R511

1K

R512

1K

R524
100R

R554

R0

E510
10uF/10V

5C

C500
103P

E500
1uF/16V

AUD

VLI

R525
100K

R526
100K

R501
8K2

E504

1uF/16V

VLI

C510
102P

AUD

C511
102P

PASS

R556

R0

C562
333P

CMIC

CMIC

VB

E501
1uF/16V

R513

1K

MICM

R529
100K

C520
104P

C512
102P

R555

R0

C535
474P(J)

C534
474P

COPMANDER

CMI

CMI

PASS

DTMF

BUFFER AMP

E513

10uF/10V

VB

FB

ACS

ACS

OPK

OPK

8C

5C

C513
102P

A

1

C

3

B

2

J501

PHONE-DC

R505

10K

PST

PST

POWER-CONTROL

R503

10K

C

H

1

-O

U

T

1

P

O

W

E

R

G

N

D

2

C

H

2

-O

U

T

3

V

C

C

4

F

IL

T

E

R

5

P

.P

6

S

T

A

N

D

B

Y

7

C

H

2

-I

N

8

P

R

E

G

N

D

9

C

H

1

-I

N

1

0

U506
LA4600

5C

E520
10uF/16V

E519
4.7uF/16V

R585

8K2

SPM

E511

10uF/10V

R514

1K

C533

681P

AF/SQ

R551
3K9

R548

2K2

R549
2K2

TEMP

R541

1K

1

1

2

2

3

3

D500

NOUSE

R540

NOUSE

R542
NOUSE

C528
NOUSE

R543
NOUSE

C529
NOUSE

R502

10K

E517

2.2uF/16V

AFWN

R559
R0

R545
30K

R546
22K

R504

10K

E523
2.2uF/16V

RX-IN

RX-OUT

TX-IN

TX-OUT

R586

10K

C564

104P

RX-A

1

2

3

4

5

6

J503

CON6

5C

RX-A

R587

560R

C563
103P

PTT

TX-A

AFM

R589

56K

C565

104P

TX-A

PTT

VR500
47K

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...

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