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QUANZHOU WOUXUN KG-689, Service Manual

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QUANZHOU WOUXUN KG-689 Service Manual Download Page 32

QUANZHOU WOUXUN ELECTRONICS CO., LTD                                                     Model: KG-689 

Version: KG-689-0801-V1                                                                             Page 31 of 35 

Layout Board 

Layout Board View--------Bottom 

CR311

C1

5

51

L1161

C2

78

L1

35

E463

+

C297

FL1036

R901 

C1

1

38

T443

C133

C126

R1055 R1052

R1053

C1054

C301

C1130

R1018

C1040

E

912

 

C1129

C1128

U1 

C1038

E

114

1

R1025

C1014

R1010

IC70 

IC264 

E9

10

 

R203 

T202 

T1

30

 

L131 

VR318 

L

127 

L145 

L

152

 

L154 

L1

56

 

L215 

R

141

 

ANT111

VR411

C224 

C221 

C

122 

R1

23

 

C124 

C129 

C130 

C

132 

L12

8

L129 

R1153

C11

5

7

R131 

R

132

 

C331 

L113 

L

117

 

L

121

 

E

454

 

R462 

U460 

E9

08

 

R

857 

T525 

R572 

R571

D572 

D571 

C572 

C569 

L281 

R573 

T

128 

R1126

C1127

R1024

C1023

R1022

C1009

C1012

C1015

R1016

R1013

C1020

R1021

C1019

C1017

E1035

L

113

9

C1039

T1123

R1

12

2

C1124

R1070

C1051

C1056

R1

09

8

C1084

R1

0

82

PR311

R10

8

5

C1

08

3

C1081

C1

08

6

U3

11

C101

R450

R4

52

R454

C4

55

R460

L371

L34

7

C152

C127

C142

C143

C144

C150

C151

C15

3

C

154

C155

C156

C157

C

158

D146

C1

45

C215

D215

R145

R146

C131

C13

9

C140

C141

C1

25

C128

R124

R125

R12

6

C111

C112

C113

C115

C117

C118

C120

C121

C303

C318

C319

C

324

C325

C326

C327

C32

9

C

330

C33

2

C333

C334

C335

C

337

C3

38

C339

C342

C348 C349

C350

C351

C352

C35

6

C3

58

C361

C362

C

363

C364

C365

C36

6

C367

C368

C

370

C

371

C

372

C3

74

C

376

C377

R1

1

21

D11

1

D326

D34

5

D346

D35

2

D

353

D361

E330

E332

L311

L314

L331

L33

7

L3

41

L345

L1163

L350

L352

L363

L364

L366

L3

70

L37

4

L380

R111

R112

R113

R114

R115

R116

R117

R118

R

119

R12

0

R121

R303

R

313

R

317

R3

24

R325

R3

26

R332

R337

R338

R341

R342

R

345

R349

R350

R361

R364

R366

R

367

R37

0

R371

R372

R373

R374

R

375

R

376

R37

7

R3

80

R

381

T113

T

301

T313

T3

37

T350

T3

55

T361

T

363

T

366

T370

T3

75

C

451

C452

C453

C460

C46

1

C462

E4

61

+

R

461

R1158

R464

R

465

T451

T4

53

T4

55

C373

C410

R437

C

438

C439

C440

R1553

C443

C445

C44

6

R439

R440

R44

3

R444

C

1552

R446

R453 

T438

C102

C103

R101

R102

T103

C322

R320

R321

C336

C286

C2

88

C289

L282

L283

U

281

C

281

C

282

C284 C285

C294

C

295

C29

6

C298

R29

1

R29

2

R293

R294

T291

C27

9

T463

D348

R13

3

E1140

R340

F

L1030

C1131

C

355

C35

3

C

115

0

L1029

L354

C1149

C1147

E340

C1164

R1550

T220 

R2

24

R221

R2

2

0 

L229 

L22

3 

L217

L216 

C231

C230

C229 

C228

C227 

C226 

C225 

C224 

C223 

C222 

C1155

C2

2

0 

C2

1

9 

C217

C2

1

6 

C2

11

R2

84

C287

R442

C444

C4

42

C1156

C454

R357

R336

C312

L357

C375

C357

C328

C901

C321

R323

L31

0

C246

L236 

C1037

R8

48

T841

R1

1

25

C902

C

116

R234

R212

R1152

L2

30 

C

237

C236

C23

5

C234

C2

32

C

213

 

C212 

L

132 

C138 

C137 

C136 

C135

T233 

R

233 

C

233 

R

237

 

R236

L

237 

L

232

FL252

C251 

C

238 

E1

46

C

147

C1011

C1146

C1

1

03

C1094

R1

1

37

E1134

D442

C1145

FL251 

R441

T1

17

L1148

R2

22

D

211

D21

6

E362 

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

   

wouxun 

wouxun 

 

 wouxun 

wouxun 

All manuals and user guides at all-guides.com

Summary of Contents for KG-689

Page 1: ...ual Model KG 689 Frequency 400 470MHz Version KG 689 0801 V1 QUANZHOU WOUXUN ELECTRONICS CO LTD w o u x u n w o u x u n w o u x u n w o u x u n All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 2: ...n 2 Personal safety 2 Disassembly for repair 3 Circuit description 5 Part list 14 LCD part list 22 Exploded view 23 Packing 23 Adjustment 24 Schematic 27 LCD Schematic 28 LCD Board 29 Layout Board 30 PCB Board 32 Block diagram 34 Specification 35 w o u x u n w o u x u n w o u x u n w o u x u n All manuals and user guides at all guides com ...

Page 3: ...he right of change the design and the specification Personal Safety Do not transmit if you don t check all transmitting pins or one of the opening pins hasn t connect to the correspond port Switch off power when you are on flammability gas condition Do not take it apart or have it repaired by a nonprofessional Turn off the radio before of detonator and blasting area In order to avoid the problem a...

Page 4: ...QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Version KG 689 0801 V1 Page 3 of 35 Disassembly for repair w o u x u n w o u x u n w o u x u n w o u x u n All manuals and user guides at all guides com ...

Page 5: ...QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Version KG 689 0801 V1 Page 4 of 35 Disassembly for repair w o u x u n w o u x u n w o u x u n w o u x u n All manuals and user guides at all guides com ...

Page 6: ... switch circuit D215 D216 then input to RF amplifier blow up by T220 the disturb signal will be unchained by band pass filter LPF ANTSW BPF Chart 2 PFAMP SP BPF XF1 MIXER MCF IFAMP MIX IF DET AF AMP VCO PLL ANT 2 The first mixer The receive signal and the first PLL unit output root flap signal will mix on the first mixer T233 then give birth to the first intermediate frequency IF signal except tha...

Page 7: ...rcuit and signal intensity list Check by U261 Output yawp signal then put it into CPU U811 and deal with it by the 25 feet interior According to the electricity level signal which MCU get one side it can control SP MUTE APX and AFC to complete to control audio frequency output circuit The level of CPU inside control system is from 1 to 9 grades it can program by software or by keyboard On the othe...

Page 8: ...quency signal comes from the speaker s by T443 change the AC audio frequency to DC electricity level signal by D442 then put it into the CPU U811 the 21 feet to manage Blow up drive and end level The goal signal produce by VCO and cushion blow up by T113 then send it to a two grade FEI amplifier after invigorative blow up T117 and blow up the power about 4W w o u x u n w o u x u n w o u x u n w o ...

Page 9: ...le transmit power and transmit control output This circuit check out power discreteness end terminal current exhaust and control transmit output Two reference voltage from U170 one is give birth to the voltage which use for adjust the power output AD1 give birth to the other one is get the R171 R173 two terminal and end terminal exhaust current be direct ratio check out voltage On the output termi...

Page 10: ... output correspond pulse voltage from the fifth feet of U311 change it to direct current signal direct current signal by filter after through Charge Pump then bring lock voltage 2 VCO Goal frequency is make up of FETT355 and T350 directly produced by Rapids oscillator Lock controllable voltage and then modify oscillator frequency by D353 D352 D346 and D345 3 Lose lock detection circuit When PLL is...

Page 11: ...o U835 to store then go into reserve Detect battery voltage circuit Input SB to the 23rd side A D switch port of CUP U811 after be disparted and after disposal by CUP drive LCD battery level indicator Floodlight and LCD circuit Floodlight and LCD directly be controlled on of off by CPU port circuit DATA CS R W U711 HT1621 LCD D442 D442 5V CLK DAT A U853 EEPROM 5V PTT M ONI 46 61 47 48 49 50 55 56 ...

Page 12: ...uit will enter save state mode This control circuit through CPU directly control 1 2 3 4 A B C D 4 3 2 1 D C B A 1 1 4 4 2 2 3 3 T1A S8212 8 8 5 5 7 7 6 6 T1B S8212 Sens 1 Do 2 VM 4 Vss 5 ICT 6 Co 3 Vc 7 Vcc 8 U1 S8232B C9 224P C6 224P C8 224P C1 224P C5 254P R4 4 7M R3 1K R2 1K R8 1K R5 1K C4 102P D1 DIO 1 B BC B CH TEMP CH w o u x u n w o u x u n w o u x u n w o u x u n All manuals and user guid...

Page 13: ... the 27th side of CPU 811 output 5R by 5V used for U261 T233 T253 T220 power VDD 5T T103 be controlled by the 26th of CPU 811 output 5T by 5V used for T113 T117 T430 T433 T171 U411 U170 and D146 D216 switch transmit and or receive transform switch voltage POWER P 7368 T451 and T453 be controlled by the 72th side of CPU output P 7368 power by BATT used for U460 power V R411A BATT SB 5M U911 U906 5V...

Page 14: ...output CTCSS audio frequency signal from the 15th feet of CPU U811 and output DCS signal from the 29th When transmit CTCSS the DCS output from CPU be modulated by low pass When receive directly disposed by CUP after through detection frequency w o u x u n w o u x u n w o u x u n w o u x u n All manuals and user guides at all guides com ...

Page 15: ...Capacitance 51P J 0402 C1147 Capacitance 56P J 0402 C1086 C288 Capacitance 82P J 0402 C102 C224 C271 C287 C303 C329 C335 C336 C461 C841 Capacitance 100P J 0402 C1138 C238 C138 C212 C902 C1051 C1084 C1083 C127 C125 C115 C121 C319 C328 C333 C342 C376 C410 C439 C322 C296 C220 C1155 C222 C1143 C283 C183 C176 C173 C872 C871 C837 C421 C419 C256 C1101 Capacitance 102P J 0402 C1102 C1144 C1128 C233 C331 C...

Page 16: ...268 C363 C365 C367 C370 C375 C452 C453 C223 C225 Capacitance 470P K 0402 C1046 C293 C431 C840 C426 C418 C446 Capacitance 473P K 0402 C462 Capacitance 474P K 0402 C433 C429 Capacitance 680P K 0402 C1099 C1145 C1551 C1009 C1021 C352 C1018 C1040 C1146 C1014 C237 C572 C569 C1012 C1015 C1013 C847 C845 C269 C261 C260 C1020 C113 C353 C355 Capacitance NC 0402 C152 C142 Capacitance 0 5P B 0603 C154 C156 C1...

Page 17: ...E180 E801 E274 E330 Laminated capacitance 10UF 16V 10 0805 E1140 E912 E910 E1035 Laminated capacitance 22UF 6 3V 20 0805 E1134 E1141 Laminated capacitance NC 0805 E908 Laminated capacitance 22UF 1206 R1550 R341 R1025 R1082 R454 R460 R437 R467 R1106 R822 R436 R415 R262 Resistance 0R J 0402 R118 Resistance 5 6R J 0402 R462 R366 R367 R373 R469 Resistance 10R J 0402 R121 Resistance 22R J 0402 R124 R11...

Page 18: ...425 Resistance 8 2K J 0402 R1137 R571 R1121 R342 R439 R442 R284 R266 R842 R520 R515 R433 R430 R1160 R184 R177 Resistance 10K J 0402 R1049 R823 Resistance 15K J 0402 R418 Resistance 18K J 0402 R324 R291 R512 R421 Resistance 22K J 0402 R441 R133 R518 R853 Resistance 27K J 0402 R423 Resistance 30K J 0402 R1022 R465 R432 R429 R427 R424 R431 R472 Resistance 33K J 0402 R321 Resistance 39K J 0402 R857 R4...

Page 19: ...175 Resistance 150K J 0603 R1011 R123 Resistance NC 0603 R1157 R810 R141 Resistance 0R J 0805 R1151 Resistance 10K J 0805 R1044 Resistance 100K J 0805 R1091 R1093 Resistance 0 33R J 1206 R901 Resistance 0R 1206 R1125 Resistance 10R 1206 PR311 PR858 Resistance 1K 4 RP 1206 PR856 Resistance 4 7K 4 RP 1206 VR318 VR413 Adjustable Resistance 50K RV1208 E1090 E435 E417 Ta Capacitance 2 2UF A 16V 10 EIA3...

Page 20: ... frequency fold Inductance 3 3uH 0603 L341 Low frequency fold Inductance 6 8uH 0603 L371 NC 0603 L127 L135 Low frequency fold Inductance 100NH 0805 L1149 Line Inductance 19NH 2 0603 L230 L217 L223 L229 Line Inductance 15NH 2 0805 L1161 Line Inductance 22NH 2 0805 L145 Line Inductance 220NH 5 0805 L237 Line Inductance 560NH 5 0805 L128 L236 Line Inductance 1uH 0805 L158 Module Inductance 1uH 2 1206...

Page 21: ...natron R25 T TSM T280 T282 T366 Dynatron UMC4 T USV T414 T443 Dynatron ISS4181 T USM T253 T313 Dynatron 2SC4215 T USM T337 T370 T375 Dynatron 2SC4226 T USM T117 Dynatron 2SC3357 T SOT89 T463 Dynatron 2SK1588 T SOT89 T271 T525 Dynatron NC IC70 Integrate Circuit 8870 SSOP 20 U281 Integrate Circuit 7088 U SOP16 U411 Integrate Circuit RC4558 U SOP8 U853 Integrate Circuit 24C64 U SOP8 U460 Integrate Ci...

Page 22: ...0507 CR826 Crystal 32 768MHz FX DS7325 FL1036 Patch Chinaware Crystal 3 58MHz ZTA ZTTCC FL1030 Patch Chinaware Crystal NC ZTA ZTTCC VR411 Potentiometers RD91 S RD810S ANT111 Antenna seat ANTENNA ANT KX01 JK451 Earphone Seat Ø2 5 ST104 JK ST 104 JK411 Earphone Seat Ø3 5 ST 301 JK ST 301 JP811 Line Seat JP20 JP 20 2 SW870 SW872 SW873 Touch switch TD 26EA S TD 26 SW87 Touch switch TC 3121 S TC 3121 S...

Page 23: ...R727 R728 R731 100R R0603 1 R725 510R R0603 4 R736 R732 R733 R737 820R R0603 2 R740 R729 1K R0603 4 R734 R735 R738 R739 4 7K R0603 4 R723 R724 R721 R722 91K R0603 1 R719 10uF C0805 1 E721 White D0603 5 D704 D701 D702 D703 D705 RLS4148 D ESC 2 D721 D722 CI100NH L0603 1 L721 DTC114EE T ESM 3 T703 T722 T723 HT44780 HT44780 1 U701 20PIN JP 20 1 JP701 w o u x u n w o u x u n w o u x u n w o u x u n All...

Page 24: ...QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 689 Version KG 689 0801 V1 Page 23 of 35 Exploded View Packing w o u x u n w o u x u n w o u x u n w o u x u n All manuals and user guides at all guides com ...

Page 25: ...ftware Turn the radio on Reading the administer code into the frequencymode Switch the transceiver to the frequencymode 1 VOC Item Condition Test frequency band Test Instrument Terminal VCO Specification Remarks Receiver Power supply voltage DC7 4V 400 470MHz Digital Voltmeter CV DC1 1 3 3V Transmitter Power supply voltage DC7 4V 400 470MHz Digital Voltmeter CV DC1 1 3 6V 2 Receiver Item Condition...

Page 26: ...ering MENU 4 10 levels On 10 level Overtime prompt Entering MENU 6 Has 15 600 seconds each level 15s difference On 90 seconds Transmit W N Entering MENU 8 WIDE WIDE Modulate 5KHz NARROW Modulate 2 5KHz Transmit CTCSS Entering MENU 10 50 groups Full modulate band 0 5 0 75KHz Same to W N Transmit DCS Entering MENU 11 105groups Full modulate band 0 5 0 75KHz Same to W N Speaker MIC WIDE Modulate 5KHz...

Page 27: ... Item Edit Method Adjustment band Specification Remarks ANI Entering the page of programmed software which has available ANI ANI can be programmed 3 5 bits info codes See the user s manual DTMF Entering the DTMF set page which has available signal See the user s manual w o u x u n w o u x u n w o u x u n w o u x u n All manuals and user guides at all guides com ...

Page 28: ... R421 22K R423 30K C421 102P R422 1K5 R424 51K C422 223P R426 4K7 2 3 1 8 4 U411A LM4558 7 6 5 U411B LM4558 D417 1SS372 T414 MRF497 R416 1K C424 10P R441 1M T443 MRF497 D442 MA742 R442 0R C442 104P C444 104P R444 100R C443 104P R443 270K C446 103P R440 5K6 D416 DAN222 MIC MIC VR411A RD91 R469 10R C910 102P E910 22uF E912 22uF C912 103P C911 471P 5M E423 4 7uF C402 C 1 5T 5T T103 2SB624 R101 4K7 R1...

Page 29: ...S LCD_CS TEST7 TEST8 5V GND C721 103P C722 102P C723 102P S 02 L C D _C S L C D _R S S 22 1 S 21 2 S 20 3 S 19 4 S 18 5 S 17 6 S 16 7 S 15 8 S 14 9 S 13 1 0 S 12 1 1 S 11 1 2 S 10 1 3 S 9 1 4 S 8 1 5 S 7 1 6 S 6 1 7 S 5 1 8 S 4 1 9 S 3 2 0 S 2 2 1 S 1 2 2 V S S 2 3 O S C 2 4 OSC 25 V1 26 V2 27 V3 28 V4 29 V5 30 CLK1 31 CLK2 32 VDD 33 M 34 D 35 RS 36 R W 37 E 38 DB0 39 DB1 40 D B 2 4 1 D B 3 4 2 D ...

Page 30: ...9 LCD BOTTOM KG 669 679 LCD KXSN070417 DTC114EE 8 2K CI100nH 102P 510R 1K 1K 1K 1K 102P LL4148 LL4148 DTC114EE DTC114EE 150R 150R 510R NC 104P 10uF 10V 20PIN KG 689 LCD White D705 White D703 White D702 White D701 White D704 w o u x u n w o u x u n w o u x u n w o u x u n All manuals and user guides at all guides com ...

Page 31: ...R435 R434 R433 R432 C431 R430 R429 R428 R427 R426 R425 R424 R423 R422 R421 R420 R418 R417 R416 R415 R414 R413 R411 MIC411 L871 L870 L412 L158 JK451 JK411 E907 E844 E801 E435 E417 E274 D814 D813 D417 D416 CR826 CR270 C907 C906 C905 C904 C903 C872 C871 C870 R868 R867 R866 R865 R864 C863 C862 C861 C860 C852 C847 C846 C845 C843 C841 C840 C837 R834 C827 C826 C825 C821 C820 R818 R817 C802 C521 C516 C514...

Page 32: ...1 D111 D326 D345 D346 D352 D353 D361 E330 E332 L311 L314 L331 L337 L341 L345 L1163 L350 L352 L363 L364 L366 L370 L374 L380 R111 R112 R113 R114 R115 R116 R117 R118 R119 R120 R121 R303 R313 R317 R324 R325 R326 R332 R337 R338 R341 R342 R345 R349 R350 R361 R364 R366 R367 R370 R371 R372 R373 R374 R375 R376 R377 R380 R381 T113 T301 T313 T337 T350 T355 T361 T363 T366 T370 T375 C451 C452 C453 C460 C461 C4...

Page 33: ...0K 22K 150R 0R 47K 3K3 10K 33K 473P 10K 33K 1M8 33K 5 6K 8 2K 82K 30K 1K5 22K 680K 18K 100R 1K 2 2K 0R 100K 47K MIC CI100nH CI100nH CH100nH CH1UH ST104 ST 301 10uF 10uF 10uF 2 2uF 2 2uF 10uF RED GREEN 1SS372 DAN222 32 768KHz 50C24 103P 470P 103P 103P 103P 102P 102P 220P 47K 47K 47K 47K 47K 470P 470P 470P 470P 103P NC 473P NC 104P 100P 473P 102P 56K 20P 20P 104P 105P 103P 4 7K 4 7K 103P 273P 273P 1...

Page 34: ...27P NC 24P 102P 470P 47R 68K 47K 470P 470P NC 102P 3P 470P 470P 102P 100P 104P 102P 223P 390P 390P 390P 102P 100P 104P 10P 102P 5P 100P 3P 3P 104P 102P NC 0 75P 10P 8P 1P 5P 6P 1P 103P 470P 470P 103P 470P 104P 470P 1P 470P 6P 6P 103P 470P 102P 6P 10K 19 2MHz HSC277 LL4148 A A B9 B9 M A2S11 10uF 4 7uF 2 2uF 0 1uF CI1uH CI560nH CH120nH CH18nH CI6 8uH CH100nH CI2 2uH CH120nH CH100nH CI3 3uH CH220nH 0...

Page 35: ... T375 T350 D3 48 RXO RXI ARX VOX ANSQ L BATT E ST BEE P MU TE LE D R LE D G M ODE T337 T31 3 2nd Lo D111 D211 5T 5R T113 T11 7 T12 8 U170 NJM2904V APC AMP FAMLAMP 5T DRIV EAM P D146 ANT BATT T18 1 T171 5T D215 D216 T22 0 T233 T25 3 5R 5R 5R 5R 2 nd L o 3 2 5 4 1 3 2 5 4 1 MIC SP T43 0 T433 T41 4 T443 5C M ODE V OX 5T 5T 5T T471 W N T463 T455 U460 T451 T453 SB AFC SP MUTE U411A U411B TA7368 VR411AA...

Page 36: ...eft 7µW Adjacent power 65dB Modulation Fidelity 3dB of 6db per octave pre emphasis characteristics Max Modulation 5KHz Modulate Sensitivity 12mV 3mV Receive part Sensitivity 12dB SINAD 0 2µV Squelch Sensitivity 0 2µV Rated audio output frequency 500mW Audio Distortion 5 Signal to remaining output power rate 40dB Channel Inhibition 8dB Adjacent Channel Selectivity 65dB Spurious Immunity 55dB InterM...

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