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1

2

3

4

5

5

4

3

2

1

E

D

C

B

A

R301

10K

R305

22K

R306
100K

R324

4K7

L301

101T

L302
390n

T323

2SC1623

C301
102P

D301
1SV270

D302
1SV270

C304
475P

C305

471P

C329
103P

D320

1N4148

TP

R420
180R

C421
104P

C422

102P

R422

22K

R421

33K

T431

2SC4649

R432

RES

R433

RES

R431
RES

C432

CAP

L431

L2

L432

L2

C433

CAP

C435

CAP

C434

CAP

C431
CAP

R425

3K3

E422
4.7uF

R424

12K

R423
22K

C423

104P

L401

100nH

C401

102P

E404
22uF

E403

0.1uF

E402

1uF

E401

0.1uF

R405

560R

R404

560R

R402

2K2

R403
6K8

R401

4K7

C404

5P

C403

5P

1

2

3

4

5

6

7

8

9

1

0

1

1

1

2

1

3

1

4

1

5

1

6

1

7

1

8

1

9

2

0

U401

LMX2332ATM

C402
101P

R412
1K

R410

2K2

D401

PMSD4148

R411

150K

C405

NC

C406
101P

C407
101P

C408
101P

R406

0R

PR401

1K

R400

1K2

XOUT

2

VC

4

5C

3

GND

1

CR421
12.8MHz

VR421

50K

2

3

2

4

2

5

2

6

2

7

2

8

2

9

3

0

3

1

3

2

3

3

34

35

36

37

38

39

40

41

42

43

44

1

2

3

4

5

6

7

8

9

1

0

1

1

12
13
14
15
16
17
18
19
20

22

21

U901

AVcc

RXO

RXI

TXI

TXO

BEEP/QT

LC

AVss

A

P

C

D

A

T

A

 _

R

O

M

A

R

X

B

A

T

T

 T

e

s

t

R

S

S

I

A

N

S

Q

L

O

S

C

 i

n

O

S

C

 o

u

t

V

s

s

R

e

s

e

t

V

d

d

E

N

1

E

N

2

E

N

3

E

N

4

EN1

N

/W

L

D

PTT/RX232

TX232

P

_

A

M

P

DQT

C

S

_

P

L

L

C

L

K

_

P

L

L

C

L

K

_

R

O

M

LED R

LED G

M

IC

 M

U

T

E

KEY_MONITOR

DATA_PLL

P_TX

P_RX

SAVE

T901

2SB624

R904
100K

R903

82K

R902

15K

C902
103P

L901
220nH

C901
104P

CR901
32.768K

C904
20P

C905

20P

R286

100K

C286

101P

R923

1K2

R924

10K

R925

47K

C908
104P

A0

1

A2

2

A3

3

GND

4

SDA

5

SCL

6

WP

7

VCC

8

U911

24C08

C911
104P

R911

10K

C922

103P

C923

103P

C924

103P

C925

103P

PR922

1K

PR921

10K

L903

220nH

C907

104P

R927

10K

RSSI

ANSQL

APC

LD

CLK_PLL

DATA_PLL

CS_PLL

C

L

K

_

R

O

M

MIC MUTE

BATT Test

D

A

T

A

_

R

O

M

C906

CAP

3

2

1

SW921A
RD840

6

5

4

9

8

7

1

2

1

1

1

0

2

1

VR641A

B10K

R640

100R

R941

10K

C941
104P

R942
10K

C942

104P

R444

4K7

R445

4K7

R446

RES

R447

2K7

C441
223P

C442

223P

in

G

n

d out

U831

LM2950

C831

103P

E831

10uF

E832

10uF

C833

103P

C832

471P

R881
150K

R882

150K

R883

10K

C881

103P

T821

DTC114EE

T822

DTC114EE

D821

GREEN

D822

RED

R821

100R

R822

220R

R825

10R

R823

8K2

C821

102P

R824
8K2

C822

102P

QT

N/W

EN1

P

T

T

/R

X

2

3

2

T

X

2

3

2

K

E

Y

_

M

O

N

IT

O

R

M

IC

 M

U

T

E

P

_

A

M

P

KEY_PTT/RX232

TX232

KEY_MONITOR

MIC MUTE

P_AMP

RSSI

ANSQL

APC

QT

N/W

D

Q

T

P_TX

P_RX

SAVE

L

D

C

L

K

_

P

L

L

D

A

T

A

_

P

L

L

C

S

_

P

L

L

EN2

EN3

EN4

+5VR

+5VR

+

5

V

+5V

+5V

+5V

+5V

+5V

+B

+B

SB

SB

S

B

Содержание PX-666

Страница 1: ...ERVICE MANUAL CONTENTS INTRODUCTION 2 GENERAL 2 CIRCUIT DESCRIPTION 3 8 TECHNICAL SPECIFICATION 9 SOFTWARE FUNCTION SPECIFICATION 10 SEMICONDUCTOR DATA 11 PARTS LIST 12 16 BLOCK DIAGRAM 17 PCB BOARD 18 19 SCHEMATIC DIAGRAM 20 22 ...

Страница 2: ...ate this equipment near electrical blasting caps or in an explosive atmosphere This equipment should be serviced by a qualified technician only SERVICE This radio is designed for easy servicing Refer to the schematic diagrams printed circuit board views and alignment procedures contained within GENERAL Your Transceiver is an electronic product of exact design and should be treated with care The su...

Страница 3: ......

Страница 4: ......

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Страница 7: ......

Страница 8: ......

Страница 9: ...tery and antenna 278g Antenna impedance 50Ω Transmitter Frequency Stability 2 5PPM Output Power 4W Max Frequency Deviation 5KHz Audio Distortion 3 Modulation type FM Adjacent Channel Power 60dB Radiated Harmonics 45dBm Frequency error 196Hz Receiver RF Sensitivity SINAD 14 0dBuV m Audio Distortion 3 Adjacent Channel Selectivity 60dB Intermodulation Rejection 60dB Spurious radiation 63dBm Spurious ...

Страница 10: ...able 11 Reverse frequency simplex 12 CTCSS DCS selectable Operation 1 User mode 1 Normal communicate mode 2 Manual operation mode 2 It can program the radio by PC software 1 programming software 2 Receiving frequency and transmitting frequency 3 Receiving tone and transmitting tone 4 Output power 5 Time Out Timer 6 Squelch level 1 9 selectable 7 Power save 8 bandwidth selectable 12 5khz 25khz 9 St...

Страница 11: ...C O Direct current transfer filter 22 AVSS Connect to VSS 23 APC O TX Automatic power RX BPT automatic gain output 24 N W O Width Narrow control 25 ARX O Receiver audio output control 26 RSSI O Squelch level output control 27 AN SQL O Squelch audio output port 28 BATT Test O Battery check 29 OSC in I Internal oscillator input 30 OSC out I Internal oscillator output 31 VSS GND 32 Reset I MCU Reset ...

Страница 12: ...09 C175 C643 C138 C408 C407 C406 C402 C252 C286 C611 C605 C422 C176 C606 C822 C821 C804 C310 C311 C301 C328 C116 C123 C208 C210 C206 C207 C235 C401 C600 C641 C230 C922 C923 C924 C925 C881 C610 C823 C603 C805 C811 C807 C174 C181 C802 C906 C908 C634 C423 C431 C434 C233 C343 C326 C320 C327 C329 C158 C862 C128 C215 C216 C833 R452 C852 C242 C305 C183 C601 C612 C882 C182 C901 C942 C907 C257 C248 C156 C1...

Страница 13: ...801 D_USC MA77 1 D310 D0603 RED 1 D822 D0603 GREEN 1 D821 D0705 HVU131 1 D101 C型 220uF 6 3V 1 E643 A型 10uF 10V 6 E281 E601 E831 E240 E321 E642 B型 22uF 6 3V 2 E404 E832 C0805 0 1uF 16V 2 E401 E403 C0805 2 2uF 16V 2 E631 E402 C0805 4 7uF 10V 6 E602 E180 E422 E443 E603 C304 C1206 1uF 10V 1 E641 L0603 2 2nH 1 L119 L0603 1uH 1 L431 L0603 15nH 1 L102 L0603 18nH 3 L208 L101 L341 L0603 100nH 6 L601 L301 L...

Страница 14: ... 2 R923 R400 R0402 1K5 2 R608 R112 R0402 1K8 1 R402 R812 R425 R410 R311 R233 R231 R230 C104 R0402 2K7 1 R245 R244 R635 R344 R340 R345 R403 R404 R239 R444 R445 R248 R324 R872 R249 R238 R0402 5K6 2 R242 R302 R0402 6K8 3 R610 R447 R638 R0402 8K2 3 R637 R823 R824 R R184 R911 R883 R624 R925 R924 R927 R310 R432 R811 R301 R347 R634 R0402 12K 2 R424 R177 R0402 15K 3 R942 R902 R457 R0402 18K 2 R604 R187 R6...

Страница 15: ...M4558 1 U601 SSOP10 P 225 TA7368F 1 U621 SSOP8 LM2904V 1 U170 MIP16 TA31136F 1 U240 T_ESM 2SC1623 1 T323 LY T_ESM 2SC4617 S 2 T621 T339 T_ESM DAN222 1 D602 T_ESM KRC402E 4 T822 T821 T812 T311 T_ESM KRA307E 1 T861 T_SOT89 5V 1 U831 T_TSM 2SB624 3 T901 T871 T811 BV4 T_TSM 2SC3356 1 T102 T_TSM 2SK508NV 1 T321 T_USM MRF497 1 T601 L17 T_USM 1SS372 1 D601 BAT54SW T_USM KRC402E 2 T171 T181 T_USM KRA302E ...

Страница 16: ...21 CR_DS0305 12 8MHz 1 CR421 CR_DS0603 32 768KHz 1 CR901 CR_DS6055 38 850MHz 1 FL230 ANKEY1 2 SW923 SW922 PTT SW CH 16CH 1 SW921 SW CH SW VR HT10KB 1 VR641B SW VOL SRP8 1K 2 PR922 PR401 SRP8 47K 1 PR921 PHONE2 5A 2 5mm 1 JK601 PHONE3 5A 3 5mm 1 JK621 MIC6 0 MIC 1 MIC601 MIC C28 C28 1 CR241 LTUPC455 P50EB 1 FL240 QFP44 78P451SAQ 1 U901 OTHER COIL TUNMER CRYSTAL ...

Страница 17: ...R421 PLL U401 LMX2332ATM U240 RET TCXO T201 5VR T202 5VR 38 850MHZ FL231 T230 FM TA31136F U601A U601B 5VT T621 5VT T631 T601 5VC 5V PTT RXD JK621 PTT MIC SP JK601 VR641 TXD T812 BATT T811 U641 TX232 5V PTT MONI U911 24CO8 ARX AT X APC RX I RX O TX D AFC DQT BEEP QT BATT Test N W FL240 CR240 2nd lo T641 N W TX I 5VT RSSI AN SQL IF N W 5VR U901 EM44 SW921 5VT 5VR 5VC SB POWER 5V ARX BEEP MIC MUTE P ...

Страница 18: ......

Страница 19: ......

Страница 20: ...Reset Vdd EN1 EN2 EN3 EN4 EN1 N W LD PTT RX232 TX232 P_AMP DQT CS_PLL CLK_PLL CLK_ROM LEDR LEDG MIC MUTE KEY_MONITOR DATA_PLL P_TX P_RX SAVE T901 2SB624 R904 100K R903 82K R902 15K C902 103P L901 220nH C901 104P CR901 32 768K C904 20P C905 20P R286 100K C286 101P R923 1K2 R924 10K R925 47K C908 104P A0 1 A2 2 A3 3 GND 4 SDA 5 SCL 6 WP 7 VCC 8 U911 24C08 C911 104P R911 10K C922 103P C923 103P C924 ...

Страница 21: ... 56K C341 3P C218 5P R341 10R L341 18n C343 103P R346 0R D342 HSC277 C346 470P R347 10K C345 6P R343 270R C344 470P R348 RES T105 2SK3475 T202 3SK299 U72 T321 2SK508 NV R608 1K5 7 5 6 U601B LM4558 R609 33K C609 100P R607 30K R610 6K8 R621 33K R622 33K R624 10K R623 1M8 R631 33K R632 33K R633 1M8 R634 10K R635 3K3 R636 4K7 R637 47K T621 2SC4617 S T631 2SC4617 S C621 473P C622 332P C623 680P J C631 ...

Страница 22: ...13 4T L114 3T C150 5P C153 3P C155 1 5P L118 1uH R154 270R R139 270R L109 220nH C143 470P L201 4T C200 5P B D201 HSC277 R200 0R D202 HSC277 C144 1 2 MIC601 MIC SP SP SW922 ANKEY SW923 ANKEY PTT MONI 1 4 5 3 2 JK621 2 5mm 1 4 5 3 2 JK601 3 5mm BATT BATT L801 101T R801 F D801 1SR145 400 C805 103P C804 102P C803 105P R130 0 33R R131 0 33R R132 0 33R E643 100uF C645 221P E642 10uF R642 150R C644 473P ...

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