Lub 9 hom kev nkag siab ntawmPCB HoobkasCircuit Court board tshuaj xyuas tau qhia raws li hauv qab no:
1. Nws yog nruj me ntsis txwv tsis pub siv cov cuab yeej kuaj hauv cov khoom siv nyob rau hauv, suab, video thiab lwm yam khoom siv hauv PCB Board.
Nws yog nruj me ntsis txwv tsis pub siv TV ncaj qha, visi, video thiab lwm yam khoom siv uas tsis muaj lub zog sib cais nrog cov twj paj nruag thiab cov khoom siv nrog cov khoom siv hauv av. Txawm hais tias lub tshuab luam ntawv xov tooj cua dav hlau muaj lub zog siv hluav taws xob tshwj xeeb, uas cuam tshuam rau cov khoom siv hluav taws xob tshwj xeeb, uas cuam tshuam rau cov khoom siv hluav taws xob, uas cuam tshuam rau cov khoom siv hluav taws xob, uas cuam tshuam rau cov khoom siv hluav taws xob, uas cuam tshuam rau kev sib xyaw ua ke, ua rau muaj kev nthuav dav ntxiv ntawm qhov txhaum.
2. Ua tib zoo saib cov rwb thaiv tsev kev ua haujlwm ntawm cov hlau solding thaum kuaj tus PCB board
Nws tsis raug tso cai siv cov hlau solding rau soldering nrog lub zog. Nco ntsoov tias cov hlau sib dhos tsis raug them. Hauv av lub plhaub ntawm cov hlau soldering. Ceevfaj nrog Aus lub voj voos. Nws muaj kev nyab xeeb dua los siv cov hluav taws xob tsawg-voltuit co hlau ntawm 6 ~ 8V.
3. Ua ntej sim tus PCB Board, nkag siab txog tus ua haujlwm ua haujlwm ntawm kev sib xyaw ua ke thiab muaj feem sib thooj
Ua ntej kuaj xyuas Circuit Court, koj yuav tsum xub paub txog kev ua haujlwm ntawm CAM PIN, thiab cov hluav taws xob uas tseem ceeb ntawm cov kab ke ntawm Circuitalation. Yog hais tias cov xwm txheej saum toj no tau ntsib, kev soj ntsuam thiab tshuaj xyuas yuav yooj yim dua.
4. Tsis txhob ua rau Circuit Court luv ntawm pins thaum sim tus PCB board
Thaum ntsuas cov voltage lossis ntsuas cov nthwv hluav taws xob nrog cov kev sojntsuam Oscrascope ntawm cov pins ntawm cov pins ntawm qhov kev sib koom ua ke ntawm lub pob zeb uas tau luam tawm rau cov pins. Txhua lub sijhawm luv luv lub Circuitary tuaj yeem yooj yim kev puas tsuaj rau Circuit Court. Koj yuav tsum tau ceev faj ntau thaum kuaj cov tiaj-pob cmos sib xyaw ua ke.
5. Sab hauv kev tawm tsam ntawm PCB board qhov kev ntsuas ntsuas yuav tsum loj
Thaum ntsuas qhov ntsuas DC voltage ntawm cov IC pins, ib qho kev sib xyaw nrog lub taub hau sab hauv ntau dua 20kω / v yuav tsum tau siv qhov ntsuas loj rau qee qhov pins.
6. Ua tib zoo mloog rau cov cua sov dissipation ntawm lub zog sib xyaw nrog Circuit Court thaum sim tus PCB Board
Lub zog hluav taws xob sib xyaw ua ke yuav tsum muaj cua sov dissipation, thiab nws tsis raug tso cai ua haujlwm hauv lub xeev siab uas tsis muaj lub tshuab cua kub.
7. Cov hlau ua hlau ntawm PCB Board yuav tsum tau kuaj qhov tsim nyog
Yog tias koj xav tau ntxiv cov khoom sib txuas sab nraud los hloov cov chaw puas ntawm cov kev sib xyaw ua ke, thiab cov xaim hluav taws xob yuav tsum tau xaiv los ntawm lub suab sib xyaw ua ke thiab cov ntaub qhwv hluav taws xob tsis muaj kev sib xyaw ua ke thiab cov preamplifier Circuit Court kawg.
8. Txhawm rau tshuaj xyuas tus PCB board kom ntseeg tau qhov zoo vuam
Thaum soldering, tus solder yog ruaj, thiab kev txuam nrog kev sib raug zoo ntawm thiab cov hws yuav ua rau muaj kev sib tsoo tsis tseeb. Lub sijhawm soldering feem ntau tsis muaj ntau tshaj li 3 vib nas this, thiab lub zog ntawm cov hlau solding yuav tsum muaj txog 25w nrog rau cua sov sab hauv. Circuitity Circuit Court uas tau tsim cov yas yuav tsum yog tshuaj xyuas. Siv ib qho kev ntsuas ohmermeter seb puas muaj ib lub sijhawm luv ntawm cov pins, lees tias tsis muaj cov solder adhesion, thiab tom qab ntawd tig rau lub zog.
9. Tsis txhob txiav txim siab qhov kev puas tsuaj ntawm cov kev sib xyaw Circuit Court yooj yim thaum kuaj covPCB Board
Tsis txhob txiav txim tias lub voj voog ua ke yog puas yooj yim. Vim tias cov kev sib xyaw ua ke tau ncaj qha rau kev hloov pauv ncaj qha, nws yuav ua rau muaj kev puas tsuaj ntau yam los ntawm kev ua kom sib xyaw Circuit Court. Ib qho ntxiv, qee kis, ntsuas hluav taws xob ntawm txhua tus PIN yog txawv ntawm cov kev sib txawv. Thaum cov txiaj ntsig sib tw los yog kaw, nws yuav tsis ib txwm qhia tau tias kev sib xyaw Circuit Court yog qhov zoo. Vim tias qee qhov kev ua txhaum mos yuav tsis ua rau hloov pauv ntawm DC voltage.
Tsev-Cawv Hengxinyi -circuit Board zaub -Proppess tsis -proders -production ntws