Wouxun KG-619 Service Manual
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Wouxun KG-619 Service Manual

Frequency: 400-470mhz
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Service
Service Manual
Service
Model:
Model:
Model: KG-619
Frequency:
Frequency:
Frequency: 400-470MHz
Version:
Version:
Version: KG-619-0806-V1
QUANZHOU
QUANZHOU WOUXUN
QUANZHOU
WOUXUN ELECTRONICS
WOUXUN
Manual
Manual
KG-619
KG-619
400-470MHz
400-470MHz
KG-619-0806-V1
KG-619-0806-V1
ELECTRONICS CO.,
ELECTRONICS
CO., LTD
CO.,
LTD
LTD

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Summary of Contents for Wouxun KG-619

  • Page 1 Service Manual Service Service Manual Manual Model: KG-619 Model: Model: 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...

  • Page 2: Table Of Contents

    QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 KG-619 619 transceiver transceiver transceiver service 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...

  • Page 3: Introduction

    It contains all required service information the equipment and is current as of the publication date. This manual almost correct and complete, if there is something oversight, WOUXUN company keeps the right of explanation. And we also keep the right of change the design and the specification.

  • Page 4: Disassembly For Repair

    QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Disassembly repair Disassembly Disassembly for for repair repair    Removing Removing case assembly from chassis. Removing the the case case assembly assembly from from the the chassis. chassis. 1. Remove the volume knob ① and channel knob ②.
  • Page 5 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Disassembly repair Disassembly Disassembly for for repair repair    Removing Removing battery release lever from case assembly. Removing the the battery battery release release lever lever from from the the case case assembly.
  • Page 6 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Disassembly repair Disassembly Disassembly for for repair repair    Assembling Assembling battery release lever Assembling the the battery battery release release lever lever 1. Place the lever ② onto the stopper ①.
  • Page 7 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Disassembly repair Disassembly Disassembly for for repair repair ⑵. Twist the speaker wires twice, then attach the speaker to the speaker recess of the case assembly ②. Make sure the speaker is securely inserted.
  • Page 8 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Disassembly repair Disassembly Disassembly for for repair repair nuts volume knob channel knob 4. The The nuts nuts of of the the volume volume knob knob and and channel channel knob knob Note that the shapes, colors and heights of nuts of the volume knob and channel knob are different from one another.
  • Page 9 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Circuit Description Circuit Circuit Description Description 1 1 1 、 、 、 Schematic Schematic Schematic b b b lock lock lock d d d iagram iagram iagram General General c c c ircuit...

  • Page 10: Circuit Description

    QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Circuit Description Circuit Circuit Description Description known as transmitting EPC(Electronic power control). The change of high/low power is achieved through reference voltage. Receive Receive p p p rocess rocess (3) Receive rocess The signal received from antenna, after through the receive/transmit switch and BFP(L413,L414) will be amplified by RF amplifier Q409(3SK318).
  • Page 11 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Circuit Description Circuit Circuit Description Description ② ② ② O O O rdinarily rdinarily board( Without Without s s s crambler crambler crambler s s s et et ) ) ) rdinarily set...
  • Page 12 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Circuit Description Circuit Circuit Description Description The frequency that using by this transceiver is generated by Q306 when in transmitting mode, and generated by Q307 when in receiving mode. To control the oscillating frequency via transmitting the VCO control voltage to variable Diode(it is D302 and D303 when in transmitting mode, and it is D304 and D305 when in receiving mode) which getted from phase comparators.
  • Page 13 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Circuit Description Circuit Circuit Description Description Power supply (7) Power Power supply supply This transceiver provides 4 of the 5V power supply to each segment: 5V, 5C, 5R and 5T. 5V(IC402) will always keep output when switch on the power supply. Although 5C is power- saving power supply output, 5R is 5 V , used for receiving and will keep output during receiving.
  • Page 14 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Circuit Description Circuit Circuit Description Description ③The maximum modulation speaker The maximum maximum modulation modulation of of the the speaker speaker The maximum modulation of the speaker: Wide bandwidth: ≤ 5KHz, Factory default:≥...

  • Page 15: Pcb Top Parts List

    QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 PARTS LIST PCB TOP TOP PARTS PARTS LIST LIST Designators Name and Specification Footprint C507 Capacitance C0402 C514 C513 Capacitance C0402 C346 C345 C344 C343 C517 C569 Capacitance 100P C0402 C527 C500 C426 C425 C424 C421...
  • Page 16 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 R523 R471 R470 R469 R406 Resistance 4.7K R0402 R556 Resistance 5.6K R0402 R557 Resistance 6.8K R0402 R704 R495 R450 R449 Resistance R0402 R549 R524 Resistance R0402 R566 R478 Resistance R0402 R494 Resistance R0402...
  • Page 17 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 LED1 green light G-LED D0603 LED2 red light R-LED D0603 D414 Dynatron DAN222 D-ESM D413 D412 Diode 1SS372 D-USM Q415 Q414 Q413 Q412 Q411 Q410 Dynatron DTC114EE T-ESM Q421 Dynatron 2SK1824 T-ESM Q425...

  • Page 18: Pcb Bottom Parts List

    QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 BOTTOM PARTS LIST BOTTOM BOTTOM PARTS PARTS LIST LIST Designators Name and Specification Footprint C320 C318 Capacitance 0.5P C0402 C319 Capacitance C0402 C539 C337 C538 Capacitance C0402 C317 C308 C226 C459 C458 C457...
  • Page 19 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 C553 C552 Capacitance 680P C0402 C355 C354 C352 C348 C347 C526 Capacitance C0402 C525 C351 C107 Capacitance 0.5P C0603 C106 Capacitance C0603 C105 C101 Capacitance 1.5P C0603 C235 C104 Capacitance C0603 C230 C511...
  • Page 20 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 R571 R465 R464 R463 R420 R418 R414 R317 R203 R202 R201 R527 Resistance 4.7K R0402 R462 R461 R419 R516 R466 R554 R532 R555 Resistance 5.6K R0402 R316 R315 R204 R453 R452 C555 Resistance...
  • Page 21 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 High frequency multi- L407 CH15NH L0402 layer inductance High frequency multi- L209 CH2.2NH L0603 layer inductance High frequency multi- L312 L311 L302 CH18NH L0603 layer inductance High frequency multi- L202 CH15NH L0603 layer inductance...
  • Page 22 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 L411 Winding Inductance HW56NH L0603 L401 Winding Inductance HW150NH L0603 L406 L405 Winding Inductance HW560nH L0603 L404 L305 L321 Winding Inductance L0603 L317 Winding Inductance HW18NH L0805 L319 Winding Inductance HW22NH L0805 L205...
  • Page 23 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 IC301 Integrate Circuit LMX2332 U-SSOP20 IC701 Integrate Circuit SOP24A FL701 Patch Ceramic 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 Earphone Seat Ø2.5 SP-JACK2.5mm...

  • Page 24: Exploded View

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

  • Page 25: Packing

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

  • Page 26: Adjustment Description

    Adjustment: Adjustment: The PC programming software can download from WOUXUN website or ask for your WOUXUN dealer. Install in your PC. Connect the radio with PC by programming cable; Select the right correspond port by edit software; Turn the radio...
  • Page 27 QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Adjustment Description Adjustment Adjustment Description Description Adjustment Adjustment Adjustment Specification Specification Specification Item Item Item Factory Factory Factory set /Remarks /Remarks /Remarks Method Part Method Method Part Part Squelch Squelch Squelch Sensitivity Sensitivity...

  • Page 28: Schematic

    QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Schematic Schematic Schematic 5R 5R 5R 5R 5R 5R 5 T 5 T 5 T 5 T 5 T 5 T 5 T 5 T 5 T B ATT+ B ATT+ B ATT+...

  • Page 29: Layout Board（Top

    QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Layout Board Layout Layout Board Board Layout Board View------Top Layout Layout Board Board View------Top View------Top C 1 0 2 L 1 0 3 C 1 0 5 C 1 0 7 C 1 0 3...

  • Page 30: Layout Board（Bottom

    QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Layout Board Layout Layout Board Board Layout Board View--------Bottom Layout Layout Board Board View--------Bottom View--------Bottom C 1 0 2 L 1 0 3 C 1 0 5 C 1 0 7 C 1 0 3...

  • Page 31: Pcb Board（Top

    QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Board PCB Board Board Board View-----Top PCB Board Board View-----Top View-----Top 1 0 4 P 1 0 4 P 1 0 3 P 1 0 4 P 3 3 K 1 0 3 P 2 .

  • Page 32: Pcb Board（Bottom

    QUANZHOU WOUXUN ELECTRONICS CO., LTD Model: KG-619 Board PCB Board Board Board View------Bottom PCB Board Board View------Bottom View------Bottom 1 .5 P 0 . 3 5 * 1 . 2*4T 0 .5 P 4 7 0 P C 237 H S M 8 8 A...

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