QUANZHOU WOUXUN KG-619 Service Manual Download Page 23 | Manualshive

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QUANZHOU WOUXUN ELECTRONICS CO., LTD

Model: KG-619

Version: KG-619-0806-V1

Page 22 of 31

IC301

Integrate Circuit

LMX2332

U-SSOP20

IC701

Integrate Circuit

NC

SOP24A

FL701

Patch Ceramic

NC

ZTA/ZTTCC

CR401

Ceramic

50C24

FX-0603

V401

Voice chip

VOICE2

U-SOP8

FL403 FL402

Crystal

38.85MHz

FL-UM

CR301

Crystal

19.2MHz

FX-DS0507

JK2

Earphone Seat Ø2.5

SP-JACK2.5mm

JK-106

JK1

Earphone Seat Ø3.5

MIC-JACK3.5mm

JK-107

SW402

Touch switch

K-PF1

KEY-619

SW401

Touch switch

MONI-KEY

KEY-619

FL401

Touch switch

FL-5

FL-5

SW2

Touch switch

PTT

KEY-619

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Summary of Contents for KG-619

Page 1: ...del KG 619 KG 619 KG 619 Frequency Frequency Frequency 400 470MHz 400 470MHz 400 470MHz Version Version Version KG 619 0806 V1 KG 619 0806 V1 KG 619 0806 V1 QUANZHOU QUANZHOU QUANZHOU WOUXUN WOUXUN WOUXUN ELECTRONICS ELECTRONICS ELECTRONICS CO CO CO LTD LTD LTD ...

Page 2: ...service service manual manual manual Contents Contents Contents Introduction 2 Personal safety 2 Disassembly for repair 3 7 Circuit description 8 13 PCB Top parts list 14 16 PCB Bottom parts list 17 22 Exploded view 23 Packing 24 Adjustment description 25 26 Schematic 27 Layout Board Top 28 Layout Board Bottom 29 PCB Board Top 30 PCB Board Bottom 31 ...

Page 3: ...OUXUN company keeps the right of explanation And we also keep the right of change the design and the specification Person Person Persona a al l l Safety Safety 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 nonpr...

Page 4: ...m from from the the the chassis chassis chassis 1 Remove the packing from the SP MIC jack of the TX RX unit 2 Remove the eleven screws fixing the TX RX unit 3 Remove the fixing bracket of the SP MIC 4 Remove the solder of the antenna terminal with a soldering iron 5 Remove the solder of the positive terminal with a soldering iron NOTE NOTE NOTE You can remove the TX RX unit from the chassis withou...

Page 5: ...lever lever lever to to to the the the case case case assembly assembly assembly 1 Insert one side of the shaft into the hole at the lever fitting section on the case assembly Caution Caution Caution The thin spring Go1 4542 04 is positioned below the case surface 2 Tilt the battery release lever slightly forward so that the thick spring G01 4542 04 is positioned below the case surface 3 With the ...

Page 6: ...y assembly assembly 1 1 1 Attaching Attaching Attaching the the the positive positive positive terminal terminal terminal to to to the the the chassis chassis chassis Always attack the positive terminal to the chassis using the following procedures before mounting the TX RX unit onto the chassis 1 Remove the holder assembly from the packing of the positive terminal 2 Mount the packing of the posit...

Page 7: ...speaker lead wire is not caught by the microphone element Press the chassis and the case assembly together to attack them Caution Caution Caution If the packing of the SP MIC does not come to the correct position after attacking the chassis to the case assembly reposition the packing with your fingers 3 3 3 Attacking Attacking Attacking the the the antenna antenna antenna receptacle receptacle rec...

Page 8: ...eights of nuts of the volume knob and channel knob are different from one another The nut of volume knob is silver and the nut of channel knob is gold Use the following jig when removing the nuts of the volume knob and channel knob Jig Part No W05 1012 00 5 5 5 Screw Screw Screw sequence sequence sequence for for for mounting mounting mounting the the the TX RX TX RX TX RX unit unit unit to to to ...

Page 9: ...amplifier Q201 2SK3476 will amplify the local signal to 4W via receiving and transmitting antenna network to antenna to go to the aerial radiation The controlled potential of the above drived pin Q204 and RF power amplifier Q201 is offered by APC circuit The simple description of APC circuit APC circuit always monitor the current which through RF power amplifier Q201 and keep the current stablilit...

Page 10: ...nal will output from the 9th pin of RF IC IC401 LM31136 The above two band pass filters BFP can be adjusted D408 D409 D406 D407 1SV305 through variable capacitor The variable voltage of the variable capacitor is provided by the 23rd pin of the CPU and commonly known as receiving EPC Electronic power control The signal that output from the 9th pin of RF IC IC401 LM31136 goes into the 16th pin of CP...

Page 11: ...e the voice voice voice prompt prompt prompt This transceiver has two kinds of the voice prompt one is signal beep prompt BP which sounded from the CPU the other is the voice prompt which provided by voice chip The The The voice voice voice prompt prompt prompt that that that provided provided provided by by by voice voice voice chip chip chip The 7th pin is voice frequency output port The 6th pin...

Page 12: ...ed from phase comparators It will switch on Q308 when in receiving and when in transmitting it will switch on Q305 The output of the Q306 and Q307 will be amplified by Q302 Q303 and through receive transmit switch D401 D402 to transmit to receive mixer Q408 and transmit RF amplifier Q202 6 6 6 The The The description description description of of of s s speaker peaker peaker signal signal signal p...

Page 13: ...V used for receiving and will keep output during receiving 5T is 5 V used for transmitting and will keep output during transmitting 8 8 8 Adjustment Adjustment Adjustment description description description CTCSS CTCSS CTCSS The range of the CTCSS audio modulation is 0 4KHz 0 65KHz you can modulate through the following component when it is beyond this range DCS DCS DCS The range of the DCS audio ...

Page 14: ...e maximum maximum maximum modulation modulation modulation of of of the the the speaker speaker speaker The maximum modulation of the speaker Wide bandwidth 5KHz Factory default 4 4KHz 4 8KHz generally you only need to modulate the adjustable resistor VR401 Narrow bandwidth 2 2KHz Factory default 2 0KHz 2 4KHz If the customer have not strict requirements ...

Page 15: ... C496 C524 Capacitance 220P C0402 C536 C519 C570 Capacitance 223P C0402 C422 Capacitance 272P C0402 C548 Capacitance 273P C0402 C559 Capacitance 330P C0402 C531 Capacitance 333P C0402 C481 C516 C505 C499 C568 Capacitance 470P C0402 C558 Capacitance 473P C0402 C549 Capacitance NC C0402 C532 Capacitance 105P C0603 C201 Capacitance 103P C0805 C473 Capacitance 104P C0805 R558 Resistance 0R R0402 R472 ...

Page 16: ...92 R448 Resistance 100K R0402 R409 Resistance 120K R0402 R525 Resistance 150K R0402 R544 Resistance 180K R0402 R526 R415 Resistance 220K R0402 R561 Resistance 270K R0402 R427 Resistance 470K R0402 R564 Resistance 680K R0402 R543 Resistance 1M R0402 R405 C340 Resistance 0R R0603 R491 R460 R459 R458 R457 R456 R455 Resistance 150K 1 R0603 R490 Resistance 200K 1 R0603 R548 R546 R545 Resistance 0 33R R...

Page 17: ...15 Q414 Q413 Q412 Q411 Q410 Dynatron DTC114EE T ESM Q421 Dynatron 2SK1824 T ESM Q425 Dynatron 2SK1588 T SOT89 Q424 Q423 Dynatron ISS4181 T USM Q418 Q419 Dynatron 5B1 T USM IC404 Integrate Circuit LM4558 U SOP8 IC3 Integrate Circuit TA7368 U SSOP10 IC4 Integrate Circuit LM2904V U SSOP8 CR403 Crystal 32 768KHz DS7325 IC403 chip EM78P568 44 LQFP 44 JP401 Line Seat JP 10 JP 10A MIC1 Speaker MIC MIC 61...

Page 18: ... C542 Capacitance 18P C0402 C512 C708 C709 Capacitance 20P C0402 C349 Capacitance 51P C0402 C357 Capacitance 82P C0402 C515 C342 C541 C523 Capacitance 100P C0402 C462 C413 C324 C323 C560 C328 C326 C325 C322 C215 C214 C213 Capacitance 102P C0402 C565 C309 C567 C561 C469 C436 C311 C310 C305 C497 C463 C432 C110 C441 C471 C470 C468 C465 Capacitance 103P C0402 C437 C705 C444 C702 C430 C429 C353 C307 C3...

Page 19: ...3 C551 C550 Capacitance 683P C0603 C228 C229 C233 C222 Capacitance NC C0603 R105 R104 SCR101 R701 SCR102 R401 R314 R303 R302 R301 R573 R404 R403 R402 R529 C557 Resistance 0R R0402 R319 R318 R219 Resistance 10R R0402 R211 Resistance 22R R0402 R435 R330 R208 R207 R206 R437 R436 R440 R439 R438 Resistance 47R R0402 R323 R326 R474 R327 R325 R324 R322 R475 R476 Resistance 100R R0402 R337 Resistance 180R...

Page 20: ...R333 R329 R320 R212 R443 Resistance 150K R0402 R535 R534 R533 Resistance 180K R0402 R344 R454 Resistance 200K R0402 R477 Resistance 220K R0402 R481 Resistance 390K R0402 R542 R541 R540 R539 Resistance 1M R0402 R560 R559 Resistance 1M8 R0402 C704 Resistance 0R C0603 R220 Resistance 10R R0603 R217 R216 Resistance 270R R0603 R221 R222 Resistance 0R R0805 C219 Multi layer Capacitance 1uF C0805 E401 E3...

Page 21: ...L304 L303 L314 High frequency multi layer inductance CH100NH L0603 L310 L309 L320 High frequency multi layer inductance CH120NH L0603 L315 Low frequency multi layer inductance CI270NH L0603 L324 Low frequency multi layer inductance CI560NH L0603 L323 Low frequency multi layer inductance CI1uH L0603 L307 L203 Low frequency multi layer inductance CI3 3uH L0603 L313 L322 Low frequency multi layer ind...

Page 22: ...305 D304 D303 D302 Diode B9 D ESC D306 Diode H D ESC D401 D201 D403 D402 Diode HSC277 D ESC D301 Diode MA2S11 D ESC D202 Diode BA592 D USC D404 Diode RL4148 D USC D411 D417 CR402 L210 D416 D415 Diode NC D USC D405 Diode HSM88A SC 59AA Q402 Q304 Q401 Dynatron 2SC4617 T ESM Q406 Dynatron DTA114EE T ESM Q417 Q416 Q422 Dynatron DTC114EE T ESM Q305 Dynatron 2SJ243 T ESM Q203 Dynatron 2SC3357 T SOT89 Q2...

Page 23: ... Patch Ceramic NC ZTA ZTTCC CR401 Ceramic 50C24 FX 0603 V401 Voice chip VOICE2 U SOP8 FL403 FL402 Crystal 38 85MHz FL UM CR301 Crystal 19 2MHz FX DS0507 JK2 Earphone Seat Ø2 5 SP JACK2 5mm JK 106 JK1 Earphone Seat Ø3 5 MIC JACK3 5mm JK 107 SW402 Touch switch K PF1 KEY 619 SW401 Touch switch MONI KEY KEY 619 FL401 Touch switch FL 5 FL 5 SW2 Touch switch PTT KEY 619 ...

Page 24: ...QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 619 Version KG 619 0806 V1 Page 23 of 31 Exploded Exploded Exploded view view view ...

Page 25: ...QUANZHOU WOUXUN ELECTRONICS CO LTD Model KG 619 Version KG 619 0806 V1 Page 24 of 31 Packing Packing Packing ...

Page 26: ...Item Item Condition Condition Condition Test Test Test frequency frequency frequency band band band Test Test Test Instrument Instrument Instrument Terminal Terminal Terminal VCO VCO VCO Specification Specification Specification Remarks Remarks Remarks Receiver Receiver Receiver Power supply voltage DC7 4V 400 470MHz Digital Voltmeter CV DC1 1 3 3V Transmitter Transmitter Transmitter Power supply ...

Page 27: ... Adjustment Adjustment Adjustment Factory Factory Factory set set set Specification Specification Specification Remarks Remarks Remarks Method Method Method Part Part Part Transmit Transmit Transmit Power Power Power Via software High Low power High power High power 4W Low power 0 1W Overtime Overtime Overtime prompt prompt prompt Via software Has 15 600 seconds each level 15s difference On 60seco...

Page 28: ...P C524 220P R427 470K Q412 DTC114EE R570 56K R515 47K R469 4 7K C505 470P C506 3 9K MIC JACK 2 5mm MIC JACK 2 5mm MIC JACK 2 5mm C451 104P TXD TXD TXD 2 5 4 1 3 JK2 SP JACK2 5mm C456 1K R150 47K R501 R 1 C535 103P R499 330R R500 2K R429 1K C473 104P R555 5 6K VR401 100K R558 0R R557 6 8K R520 33K C557 0R R560 1M8 R519 332P R453 10K C503 470P C556 473P C555 332P C553 680P C552 680P C470 103P C554 3...

Page 29: ...C 3 5 0 C 3 4 8 C 3 4 7 C 3 4 2 C 3 3 9 C 3 3 8 C 3 3 7 C 3 3 6 C 3 3 5 C 3 3 4 C 3 3 3 C 3 3 2 C 3 3 1 C 3 3 0 C 3 2 9 C 3 2 7 C 3 2 6 C 3 2 5 C 3 2 2 C 3 2 1 C 3 2 0 C 3 1 9 C 3 1 8 C 3 1 7 C 3 1 6 C 3 1 5 C 3 1 4 C 3 1 3 C 3 1 2 C 3 1 1 C 3 1 0 C 3 0 8 C 3 0 7 C 3 0 6 C 3 0 5 C 3 0 4 C 3 0 3 C 3 0 2 C 3 0 1 C 2 3 2 C 2 3 1 C 2 2 9 C 2 2 7 C 2 2 6 C 2 2 5 C 2 2 4 C 2 2 1 C 2 1 7 C 2 1 5 C 2 1 4 ...

Page 30: ... 5 2 C 3 5 0 C 3 4 8 C 3 4 7 C 3 4 2 C 3 3 9 C 3 3 8 C 3 3 7 C 3 3 6 C 3 3 5 C 3 3 4 C 3 3 3 C 3 3 2 C 3 3 1 C 3 3 0 C 3 2 9 C 3 2 7 C 3 2 6 C 3 2 5 C 3 2 2 C 3 2 1 C 3 2 0 C 3 1 9 C 3 1 8 C 3 1 7 C 3 1 6 C 3 1 5 C 3 1 4 C 3 1 3 C 3 1 2 C 3 1 1 C 3 1 0 C 3 0 8 C 3 0 7 C 3 0 6 C 3 0 5 C 3 0 4 C 3 0 3 C 3 0 2 C 3 0 1 C 2 3 2 C 2 3 1 C 2 2 9 C 2 2 7 C 2 2 6 C 2 2 5 C 2 2 4 C 2 2 1 C 2 1 7 C 2 1 5 C 2...

Page 31: ...1 0 u F 2 2 u F 1 0 u F 1 0 0 u F T A 7 3 6 8 L M 2 9 0 4 V L M 4 5 5 8 J P 1 0 C H 1 0 0 N H C H 1 0 0 N H G L E D R L E D M IC D T C 1 1 4 E E D T C 1 1 4 E E D T C 1 1 4 E E D T C 1 1 4 E E D T C 1 1 4 E E D T C 1 1 4 E E 5 B 1 5 B 1 2 S K 1 8 2 4 1 S S 4 1 8 1 1 S S 4 1 8 1 2 S K 1 5 8 8 4 7 K 2 7 K 5 1 K 3 3 K 0 R 2 2 K 1 2 0 K 5 6 0 R 5 6 0 R 2 2 0 K 1 K 2 2 K 3 3 K 1 K 1 K 4 7 0 K 1 K 5 6 0...

Page 32: ...0P 1 0 3 P 1 04P 1 04P 1 0 2 P 1 02P 1 02P 1 02P 1 02P 8 2 P 1 8 0 P N C 1 04P N C 6 P N C N C 1 00P 5P 1 0P 2P 6P 6P 6 P 1 0 2 P 1 02P 1 02P 1 02P 1 02P 1 02P 1 02P 1 0 2 P 1 02P 6 P 0 5P 1P 0 5 P 3 P 8P 4 70P 4 70P 4 70P 4 7 0 P 1 03P 1 03P 3P 1 04P 1 04P 1 03P 7P 5P 5P 5P 1 0 2 P 2 7 P N C 1 0 P 3P 7P 6 P 5P 1 04P 1 02P 1 02P 1 02P 4 70P 4 70P 4 70P 4 70P 4 7 0 P 4 70P 1M 1M 1M 1 M 1 8K 1 20K N...

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