基本信息
文件名称：SW_3B_Troubleshooting_guide操作说明书手册.pdf
文件大小：1.14 MB
总页数：52 页
更新时间：2025-06-06
总字数：约8.6万字
文档摘要

SW-3BOps/MaintenanceManual06/06/2020

AGuideto

Operating,

TroubleshootingandRepair

ofthe

SW-3BQRPRadio

DonaldE.Koehler/KL7KN

Copyright2020WuxiVenusInformationTechnologyCo.,Ltd.

AllRightsReserved

1

SW-3BOps/MaintenanceManual06/06/2020

Forewordfromtheauthor:

Amateurradio,asahobby,isgrowingworldwide.OnethingIvenoticedisthatasignificantnumberof

thesenewhamshavelittletonobackgroundinradio/electronics.Manynewhamshavealicensebutno

realunderstandingofhowthetechnologyworks.

Thatistosay,alargenumberoffolksenteringthishobbyhavenoclueonhowtoperformbasic

troubleshootingoforrepairoftheradiostheyuseinenjoyingthehobby.WithwidespreaduseofSMT

devices,mostlacktheequipment,letalonetheskillstorepairanailingrig.

Thereare,howeveragreatmanythingstheaverageHAMoperator/hobbyistcandoathomewith

minimaltoolsandequipmenttoeffectrepairsonarigthatisoutofservice.Repairoftheirrigcan

becomeproblematicforaneworinexperiencedoperator.Evenexperiencedhamswillneedatleast

sometechnicaldataandapartslistpriortoattemptingarepair.

Happily,DaleYu,BA4TBpublishedaschematicontheInternettogowiththeSW-3Bradiofromthe

beginning,atrelease.Theworkyouarereadingnowaddsdetailedcircuitdescriptions,troubleshooting

stepsandpossiblefixes,inadditiontoaPartsBreakdownforsourcingrepairpartsinNorth