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JT220M

C296

6P(B)

Q207
2SC4226(R24)

R223
22K

R304
47K

R239
1K

R243

100R

C274
102P

L210
47NH

C255
102P

C371

56P

R300
2K2

R214
15K

R258
100K

R240

100R

R332
10R

C277
102P

C276
102P

C358
3P(B)

C330
471P

R315
22R

L212
39NH-X

C260
102P

C357

6P(B)

G

1

D

2

S

3

Q212

2SK3078A(UW)

R333
47R

R334

51K

R337
33R

R201
15K

C278
102P

L215
33NH-X

L216
30T

C210
103P

C322

27P

C317
NOUSE

C325
24P

C293
16P

G

1

D

2

S

3

Q214

RD07

8T

C259
102P

C236
104P

C209
103P

L220

0.5X1.8X3T(17.5NH)

C264
102P

C374

221PF

C354
121P

G

1

D

2

S

3

Q216

MRF7042

C369
82PF

C370
68PF

R233

470R

R335
4K7

R336
1K5

C335
471P

R301
220R

R305
4K7

C281
471P

L222
H0.8X3.5X5.5T(9mm)

C345
NOUSE

C310
NOUSE

C311
NOUSE

C346
NOUSE

C382
101PF

C268

102PF

R245

100R

L226
H0.6X2.5X5.5T

C384
8PF

L227

H0.8X3.3X3.5T

C393

1P(B)

C312

1P(B)

X

1

Y

2

P200
RCA

L228

H0.8X3.3X3.5T

C338
471P

C337
471P

R226
22K

R227
22K

C215
103P

C212
103P

E204
47uF/25V/H

C267
102P

C381
474P

SB

3

2

1

8

4

U204A
LM2904V

5

6

7

U204B

LM2904V

VR200
47K

R202

3K9

C285
102P

R234

470R

R339

470K

R307
47K

R271
1K

R341

15K

C336
471P

C400

0P5(B)

C401

0P5(B)

D225

1SS355

R327
330R

R274
220R

C244

104P

R338

270R

C245
104P

8T

D229
8.2V

C282
102P

C279
102P

C243
104P

TP202
POINT

TP201
POINT

1

1

2

2

3

3

D230
MA742

1

1

2

2

3

3

D231
MA742

C329
471P

C211
103P

C262
102P

R259
100K

C240
104P

C263

24P

R265
1K

R320

68R

R314

18R

C363
8PF

C361
6PF

C387
NOUSE

C383
101PF

C385
12PF

C313

NOUSE

L224

SHOT

L225

0.8X2.9X1.5T

D212

NOUSE

L245
H0.5X3X9.5T

C222
103P

C284
102P

C270

102PF

C349
15PF

L229

H0.8X3.3X3.5T

C350
15PF

C314
NOUSE

C323
12PF

L246
H0.5X3X9.5T

C221
103P

8T

R328

NOUE

Q225
NOUSE

t

RT200
NOUSE

SBE

C226
NOUE

R325

68R

C380
681P

L219

6N8H-X

L218

8N2H-X

R312
270R

R311
270R

C258
101P

R264
1K

1

1

2

2

3

3

D203

DAN235E

D213
NOUSE

D210

L407CDB

C216

R0

R297
NOUSE

1

1

2

2

3

3

D204

471P

R298

NOUSE

C391

NOUSE

L231

NOUSE

L230

NOUSE

L214

NOUSE

L213

NOUSE

C395
NOUSE

C392
NOUSE

C348

NOUSE

C390

NOUSE

C389
NOUSE

C388
NOUSE

Q208
NOUSE

R329
NOUSE

L223

NOUSE

R232

NOUSE

R241

NOUSE

D202

R0

C213
103P

C214
NOUSE

C351

12P

C396
10P

C360
3P6(B)

C299

1P(B)

C304
5P(B)

C303
6P(B)

C355
5P(B)

C298

2P(B)

C343
16P

R299
NOUSE

R253
100K

R238
150R

R250
39K

R252
100K

R212
27K

R303
47K

R237

100R

1

1

2

2

L207
0.35X1.4X6T

L206
0.35X1.4X6T

C344
16P

C359
16P

G1

1

G2

2

D

3

S

4

Q206

3SK318

C253
103P

C254
102P

L205
0.35X1.4X6T

C252
102P

D207
HVC350

D208
HVC350

D206
HVC350

R302
1K

C341
5P(B)

R249
100K

L204
0.35X1.4X6T

C342

16P

D205
HVC350

R248

100K

G1

1

G2

2

D

3

S

4

Q205

3SK318

R294
NOUSE

C207
103P

C205
103P

C206
103P

R293
NOUSE

VAM

VFM

VFM

C326
471P

R211
330K

R277
470K

R291
330K

R276

470K

R275

NOUSE

R290
47R

C249
102P

L202

270NH-X

C251
102P

C321

22P

C289

82P

C309
NOUSE

R272

220R

R262
680R

R247
100K

C202
103P

R261

680R

XF200
38.85MHz

XF201
38.85MHz

C302

12P(C)

C307
2P(B)

C297
2P(B)

C203

103P

C378

33P

R236

100R

R319
3K3

C373

181P

C372

181P

C379

68P

C225

103P

R231
470R

R263

1K

C201
103P

C367

10P(C)

Q204
2SC4215

8R

8R

R296

180K

R251
100K

R266

NOUSE

R309
47K

R295
2K2

R229
820R

R254
100K

E202
0.22uF/35V

R317
470K

R217

100K

R215

10K

R209
10K

R213

10K

C248

104P

C339
471P

C232
104P

C271
102P

C272
102P

C273
102P

C269

102P

R260

100K

C320
103P

R286
100K

C291

NOUSE

C295

NOUSE

Y200
NOUSE

C208
103P

E200
47uF/25V

C235
104P

8R

Vout

1

V

ss

2

Vin

3

U201
MC78L05

VIF

VIF

C230
104P

C229
104P

CB200
C24(450K)

VIF

D224
1SS355

Q220

2SC3357(RF)

CLK

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

V

P

4

V

C

C

5

G

N

D

7

U205

LMX1511TM(20)

L209

R0

C362
7P(C)

C256
102P

8C

C352

12P

D

3

G

2

S

1

Q217

2SK1875

C386
5P(B)

C402
3P(B)

C398

0P5(B)

C403
0P75(B)

C394
3P(B)

C290

24P
C356
9P(B)

C224
103P

B1

2

E1

1

C1

5

C2

4

E2

3

Q201

UMC4N

L233

10uH

L235
33NH-X

L211
47NH

1

1

2

2

L236
100NH

1

1

2

2

L237

100NH

R326
470R

R316
22R

R322

NOUSE

R308
47K

R244

100R

R331

120K

R242
100R

R282

R0

C218
103P

CV200
3-10P

D221
NOUSE

D217

JDV2S14E(FH)

C324
4P(B)

D

3

G

2

S

1

Q218

2SK1875

C306
5P(B)

C305
3P(B)

C399
0P5(B)

C404

22P

L234

10uH

L247
22NH-X

L239
220NH

L238

10uH

R313
470R

R246
100R

C223
103P

CV201
3-10P

D222
NOUSE

D218

NOUSE

Q209

2SC4226(R24)

VCO

C332
471P

L240
271T

L243

271T

L242

271T

Q221
2SC1623

E205
33uF/10V

R292
4K7

C333
471P

D226

MA2S111

C334
471P

VCO

D232
1SV214(T1)

VCO

8C

Q210
2SC4226(R24)

R230

1K

TP203
CV

R219
10K

R267
330R

E211

4.7uF/16V

R321

1K

R342

1K

E212
0.1uF/35V

E209
0.22uF/35V

Q224

2SC4738(GR)

Q223

2SA1832(GR)

C316
471P

R280
10K

R289

12K

R281

10K

R288
10K

R306
47K

D228

5.1V

C280
102P

8C

C219
103P

E206
10uF/10V

C220
103P

L241
271T

5C

D227

MA2S111

C200
103P

C287

102P

C365
10P

C364
10P

R228
5K6

L248

27NH

E208
10uF/10V

XOUT

3

GND

2

VC

1

VCC

4

X200

19.200MHz(NKG3140B-5*3.2)

L244

10uH-XL

R235

470R

R273

220R

R330
220K

C300

2P(B)

C301

2P(B)

C340
471P

8C

R255
100K

C242
104P

C283
102P

E207
10uF/10V

C241
104P

PLL CLOCK LINE

PLL DATA LINE

PLL STB ENABLE

PLL LD LINE

DET

SQUELCH DET

MOD-AUDIO

PC/TV

MOD-SUB

R268

1K

R269

1K

R270

1K

Q203
DTA114YE

1

1

2

2

3

3

D201
DAN235E

1

1

2

2

3

3

D200
DAN235E

C233
104P

R205
10K

R207
10K

R208
10K

R206
10K

C234
104P

C228
104P

C227
104P

WIDE/NARROW

R210

10K

R204
10K

R200

15K

RSSI

RX/TX

C217

471P

C327

R0

8R

C368
47NH

L200
4P(B)

C250
102P

C204
103P

R203
3K3

C288
102P

C246
104P

FREQ-CONT

TP200
POINT

WIDE/NARROW

SWITCH

NARROW

WIDE

FM DEMODULATION

IF AMP

MIXER

AM/FM

SWITCH

FM RF AMP

AM RF AMP

AM/FM

SWITCH

ANT SWITCH

APC VOLTAGE

DETECTOR

APC CONTROLLER

PC/TVSW

TEMPERATURE

PROTECTION

SWITCH

FINAL AMP

DRIVE AMP

DRIVE STAGE

RF SWITCH

RF AMP

RX VCO

TX VCO

BUF
AMP

MODULATION

FREQ

CONTROL

R/T SW

LIPPLE
FILTER

CHARGE PUMP

PLL SYNTHESIZER

RF AMP

TXCO

C347
10PF

C257
102P

C331
471P

D214
NOUSE

R256
100K

R257

300K

B1

2

E1

1

C1

5

C2

4

E2

3

Q200

UMC4N

C318
NOUSE

C319
NOUSE

C294
NOUSE

C353
12P

C375
101P

C376
101P

C377
101P

G

1

D

2

S

3

Q219
2SJ243

R283

NOUSE

8T

L221

R0(0805)

R278
47K

C328

471P

R340
270K

E203
100uF/16V/H

D223
JDV2S14E(FH)

D219

J DV2S14E(FH)

D216

NOUSE

D220

JDV2S14E(FH)

C275
102P

C397

9P(C)

R279

NOUSE

C315
NOUSE

D215

NOUSE

1

1

2

2

L232
NOUSE

L208

2P(B)

C308
NOUSE

L203

NOUSE

L201
560NH-X

C238
104P

VFM

C286
104P

C265

102P

L217
30T

AF/SQ

R310
47K

R224
22K

Q213
DTA114EE

C237
104P

VIF

5C

TEMP

1

1

3

3

2

2

CF200
CFW450G(TOKO)

1

1

3

3

2

2

CF201
CFW450E(TOKO)

C292
NOUSE

R220

10K

C366
10P

B

1

2

E

1

1

C

1

5

C

2

4

E

2

3

Q202
NOUSE

SBE

8T

3

2

1

8

4

U202A
LM2904V

5

6

7

U202B
LM2904V

R218

100K

R323

18K

R287
NOUSE

E210

221P(1206)

8R

D211

L407CDB

R216
10K

D234

121P(0805)

D233
121P(0805)

L250
271T

L249

271T

TP204

RF

TP205
1ST

R284
NOUSE

R344
1K8

C411
47P

Q211
2SC4215

R343
330K

C405
18P

R285
100R

C408
2P(B)

L251
560NH

L252
560NH

C406
103P

C407
27P

C409
30P

C410
47P

VIF

R345
NOUSE

O

S

C

IN

1

O

S

C

O

U

T

2

M

I

X

O

U

T

3

V

C

C

4

IF

IN

5

D

E

C

6

F

IL

O

U

T

7

F

IL

IN

8

A

F

O

U

T

9

Q

U

A

D

1

0

IF

O

U

T

1

1

R

S

SI

1

2

N

-D

E

T

1

3

N

-R

E

C

1

4

G

N

D

1

5

M

IX

IN

1

6

U200
TA31136FN

VIF

C231

NOUSE

Vout

2

G

N

D

3

Vin

1

CE

4

U203
KIA278R06PI

R222

NOUSE

R221
1K

8T

VOLTAGE

REGULATOR

VOLTAGE

REGULATOR

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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