Lub sijhawm tsis txaus ntawm cov hluav taws xob hluav taws xob thiab tus nqi nce. Nws muab cov hauv kev rau cov neeg ua pov thawj.
Tam sim no, cov hluav taws xob ua hluav taws xob ua kom nrov. Ntau cov fakes xws li capacitors, tawm tsam, inductors, Mos leeg, thiab ib leeg-nti computers tau ncig ua lag luam. Ntxiv rau kev nrhiav qee cov neeg sawv cev ib txwm mus yuav ntau li ntau tau, engineers thiab cov neeg yuav khoom yuav tsum khaws lawv lub qhov muag thiab kawm paub fakes!
Txawm li cas los xij, yog tias koj xav paub qhov txawv ntawm cov khoom siv hluav taws xob thiab cov hluav taws xob siv hluav taws xob, koj yuav tsum xub nkag siab qhov sib txawv ntawm cov thawj thiab tshiab.
1. Dab tsi yog ib hom khoom tshiab thawj khoom?
Cov hom tshiab thawj khoom yog cov lus qub ntawm lub Hoobkas qub, ntim khoom, cov lej sau tau, cov lej (feem pua (feem ntau yog rau kev tawm tsam kev tiv thaiv).
Txhua qhov tsis muaj peev xwm tsim nyog los ntawm cov chaw tsim tshuaj paus, suav nrog cov khoom qub qub. Qhov zoo ntawm cov khoom lag luam no zoo heev, tus xov tooj yog khaub ncaws hnav, thiab cov tsos zoo nkauj. Cov neeg siv khoom txaus siab txais nws, tab sis tus nqi kuj siab.
Cov khoom qub qub yog cov khoom qub ntim ncaj qha los ntawm lub Hoobkas qub. Cov khoom qub tuaj yeem qhib lossis tsis muaj lub pob qub, tab sis nws tseem yog thawj cov khoom qub.
Shoddy Bush Tshiab (IE Cov Khoom Tsis Zoo)
Cov ntawv sau qhia txog cov chips uas tau tshem tawm los ntawm cov kab kev sib dhos hauv IC uas yog vim yog cov teeb meem sab hauv thiab lwm yam teeb meem, tab sis tsis dhau tus tsim tsim qauv. Los yog vim ntim tsis raug, cov tsos ntawm zaj duab xis yog puas, thiab lub nti kuj tau tshem tawm.
● Cov yeeb yaj kiab tuaj tawm ntawm kab sib dhos. Nws yog zaj duab xis uas tau txiav tawm thaum kuaj xyuas los ntawm cov khw. Cov yeeb yaj kiab uas tsis tau txhais tau tias yuav tsum muaj cov teeb meem zoo, tab sis qee qhov tsis tau muaj qhov yuam kev loj.
Vim tias cov tuam ntxhab feem ntau muaj cov qib siab rau qhov raug ntawm cov yeeb yaj kiab, xws li voltage thiab tam sim no, 1.01 thiab 0.98 lossis 1.02 yog cov khoom lag luam uas tsis xws li.
Cov yeeb yaj kiab no tau khaws tseg thiab tau ua thiaj li hu ua cov yeeb yaj kiab tshiab. Ib yam li ntawd, vim hais tias ntawm fragility ntawm zaj duab xis, lub qub zaj duab xis yuav ua rau cov kev hloov me me hauv kev ua yuam kev. Qhov no yog vim li cas qee zaum tib cov khoom lag luam, qee tus neeg muas zaub siv nws, thiab qee cov neeg siv khoom siv nws. Cov.
● Nyob rau hauv cov txheej txheem ntawm kev tshuaj xyuas zoo, vim tias cov kab sib dhos ua ke ntawm lub khoos phis tawm ntawm kev tshuaj ntsuam xyuas ntawm kev tshuaj ntsuam xyuas, tab sis thaum cov neeg ua haujlwm xav tua ib txhiab los ntawm kev tso tawm. Tom qab ib zaj yeeb yaj kiab tsis zoo, yog li koj poob heev, ces cov no ua li no hu ua ri niab tshiab.
2. Dab tsi yog Bulg Brood tshiab?
Sanxin tuaj yeem faib ua cov xwm txheej hauv qab no raws li kev ua lag luam:
★ nyob rau hauv qhov tseeb kev nkag siab ntawm ntau (piv txwv li cov khoom qub yam tsis muaj thawj ntim)
Cov neeg siv khoom xav tau tsawg dua ib pob. Vim tias tus nqi tsav, tus neeg xa khoom disassembles thawj pob thiab muag ib feem ntawm nti ntawm tus nqi siab, thiab seem ntawm cov nti yam tsis muaj lub pob qub.
● Vim yog vim kev thauj mus los, cov chaw muag khoom disassembles cov khoom ntim khoom uas los pab txhawb kev thauj mus los. Cov khoom qub xws li Hong Kong yuav tsum tau xa mus rau Shenzhen thiab lwm qhov chaw. Txhawm rau nkag mus rau kev lis kev cai thiab txo cov se se, lub ntim tseem tau raug tshem tawm thiab ntau tus neeg raug coj mus rau hauv kev lis kev cai.
● Cov khoom lag luam tshiab thiab cov khoom lag luam: feem ntau ntawm cov khoom yog cov uas tau khaws cia rau lub sijhawm ntev thiab muaj qhov tsis zoo. Lawv tsuas tuaj yeem siv tau rau qhov pov tseg loj.
Nws kuj muaj qee cov khoom ntim khoom. Thaum muaj coob tus neeg Wafers tau xa mus rau lub hnab ntim khoom rau ntim, tom qab ua tiav ntawm cov teeb meem hauv lub hnab ntawv yuav tsis tuaj yeem ua rau lawv cov ntawv sau tseg thiab yuav tsis ntim lawv cov nqi, yog li lawv yuav muag lawv hauv ntau.
● Vim muaj teeb meem tswj hwm ntawm lub tsev ntim khoom, cov yeeb yaj kiab uas nws cov neeg ua haujlwm thauj nrog cov yeeb yaj kiab txawv txav, muab cov yeeb yaj kiab zoo, ntws mus rau hauv lub tebchaws. Cov yeeb yaj kiab no tsis muaj lub ntim sab nraud vim tias tsis muaj cov txheej txheem ntim khoom kawg, tab sis tus nqi yog qhov zoo dua thiab qee zaum zoo dua li tus nqi ntawm lub chaw haujlwm.
★ fake buly (piv txwv li cov khoom txheem kho tshiab)
Cov khoom siv hloov kho tau hloov kho lossis ua txhaum cai lossis disassembled. Lawv tau ua tiav thiab rov nyeem cov khoom, yog li tib neeg hauv kev lag luam feem ntau hu lawv cov khoom lag luam zoo.
Qee yam kev tshwm sim puas tsuaj, tab sis cov kev puas tsuaj saum npoo tsis yog qhov nyuaj heev, thiab cov yeeb yaj kiab tsis yooj yim los ua cov yeeb yaj kiab tshiab tom qab hloov kho tshiab.
● Ceev faj txog cov yeeb yaj kiab thib ob nrog cov tsos zoo nkauj. Cov yeeb yaj kiab zoo li no feem ntau yuav yog cov yeeb yaj kiab sib txuam nrog cov teeb meem hauv cov teeb meem zoo. Cov neeg yuav khoom ntawm cov yeeb yaj kiab zoo li no feem ntau ceev faj.
Qhov kev hloov kho ntawm cov yeeb yaj kiab qub yog tsuas yog los ntawm kev rov ua yeeb yaj kiab qub, sib tsoo, sib txuas taw, cov cim sib tsoo, ntaus ntawv, thiab lwm yam. Cov tsos ntawm zaj duab xis yog ua kom zaj duab xis saib zoo nkauj dua.
Feem ntau cov khib nyiab txawv teb chaws, uas yog, cov cuab yeej ua hauv tsev neeg txawv teb chaws, cov khoos phis tawm thiab lwm yam khoom siv hluav taws xob tau ua tiav rau cov chaw sau qoob loo hauv chaw thoob khib nyiab. Cov khib nyiab no tau thauj mus rau Hong Kong, Guangdong, Taiwan, Zhejiang rau cov nqi rov ua dua tshiab.
Kev hloov kho ntawm cov cim qub tsuas yog ua rau cov tsos ntawm zaj duab xis kom zaj duab xis saib zoo nkauj dua. Cov khoom lag luam zoo no yog qhov zoo dua qub thiab pheej yig dua, feem ntau ib nrab ntawm cov nqe lossis pheej yig dua.
● Siv cov khoom, disassemble qhov chaw. Cov khoom tau raug siv, thiab muab tshem tawm los ntawm Circuit Court Board los ntawm huab cua kub lossis kib. Ob txoj hauv kev rau dismantling qub yeeb yaj kiab:
Cov txheej txheem huab cua kub, hom no yog cov qauv ib txwm, siv rau kev ntxuav kom huv thiab huv si, tshwj xeeb tshaj yog cov cim SMD SMD.
"Frying" txoj kev, qhov no muaj tseeb tiag. Siv high-boiling ntxhia roj rau "Fry". Heev laus los yog ntxhov chewolt chorks feem ntau siv hom no.
Cov khib nyiab tsim nyob rau hauv cov txheej txheem ntawm cais thiab remanufacturing lub qub zaj duab xis yuav tsis zoo rau ib puag ncig yog tias nws tsis yog kev kho kom zoo, thiab tus nqi ntawm "kom raug cai" yuav siab dua cov nyiaj tau rov qab.
Yog li ntawd, qee cov tuam txhab hauv cov tuam txhab tsim tau xav tau nyiaj thiab xa "khib nyiab rau Suav thiab qee lub tebchaws nyob rau sab qab teb Asia dua li muab pov tseg rau lawv tus kheej. Tus nqi sib txawv ntawm cov qub thiab tshiab tshiab yog deb ntawm kev rov ua kom ploj ntawm cov pa phem ib puag ncig!
Ntau cov lag luam hauv kev ua lag luam hluav taws xob feem ntau piav txog cov khoom lag luam tshiab feem ntau, uas yuav tsum khaws lawv lub qhov muag qhib thiab cia siab rau qee qhov kev txawj ntse me me kom paub qhov txawv.
3. Qhov sib txawv ntawm cov khoom tshiab thiab cov khoom lag luam tshiab
Qhov zoo tshaj ntawm cov khoom tiag tiag tuaj yeem ua rau muaj tseeb.
Cov khoom puas yuav txawv ntawm cov khoom qub ntawm cov nqe lus ntawm seem ntawm seem thiab ruaj khov. Vim tias ob hom khoom yog tshiab, nws yog qhov nyuaj heev kom paub qhov txawv.
Kho cov khoom uas kho tau ntau dua kev phom sij. Nws yuav muag dev nqaij. Lawv saib zoo ib yam, tab sis qhov tseeb, lawv tau muaj zog kiag li.
Yog li ntawd, nws yog qhov zoo tshaj plaws rau koj kom tsis txhob muaj cov khoom tshiab, tshwj tsis yog koj yuav lub hauv paus ntawm qee yam kev lav.