Cov txheej txheem:
- Kauj Ruam 1: Tshem Cov Qub Qub
- Kauj Ruam 2: Ntxuav Pawg Thawj Tswj Hwm
- Kauj Ruam 3: Tso IC
- Kauj Ruam 4: Siv lub PowerPad
- Kauj Ruam 5: Ruaj Pins
- Kauj Ruam 6: Ntxuav Lub Rooj Tswjhwm Saib thiab Tshawb Xyuas Txhua Yam
Video: Yuav Ua Li Cas Thiaj Li Siv Tes Siv PowerPad IC: 6 Kauj Ruam (nrog Duab)
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:31
Kuv tau ua yuam kev ruam tiag tiag ntawm kev ua haujlwm lwm hnub thiab tau xaus tshuab IC ntawm ib qho-ntawm-ib-yam qauv.: '(Tuag ntawm kev txaj muag, Kuv txiav txim siab sim qhov tsis yooj yim sua thiab hloov nws ua ntej leej twg pom tias muaj dab tsi tshwm sim. Kuv tau siv cov txheej txheem saum npoo ICs ua ntej, tab sis yeej tsis muaj nrog PowerPad hauv qab. Cov no yog qhov tshwj xeeb tshaj yog ua los ntawm txhais tes, txij li koj yuav tsum tau yaj cov laug hauv qab lub nti, yam tsis tau ua cov laug txuas ntawm cov pins thiab lub ncoo. Kuv tsis paub tseeb tias nws tseem tuaj yeem xuas tes tau. (Qhov laj thawj kuv tuaj yeem ua qhov no yog vim tias muaj vias txuas PowerPad mus rau lwm sab ntawm PCB, yog li lub dav hlau hauv av nyob rau lwm sab ua raws li lub rhaub dej kub. Yog tias koj tsim tsis muaj cov vias no, lossis lub qhov nyob hauv qhov vias me me rau cov laug kom hla mus, txoj hauv kev no yuav tsis ua haujlwm.) Tab sis kuv ua tiav! Tam sim no tsis muaj leej twg xav paub kuv qhov kev txaj muag.
Kauj Ruam 1: Tshem Cov Qub Qub
Hauv kuv qhov xwm txheej, cov nti qub tau raug rhuav tshem, yog li nws tsis muaj teeb meem dab tsi tshwm sim rau nws. Yog tias koj xav khaws cov chip qub, thiab koj tsis muaj lub cuab yeej ua haujlwm cua kub, koj yuav tsum xam tawm qee yam ntse thiab tshaj tawm koj tus kheej Qhia. Qhov ntawd dhau ntawm kuv qhov kev txawj ntse. Txhawm rau tshem tawm cov nti tawg, kuv xub txiav txhua tus pin tawm ntawm nws. Txoj kev ntawd kuv tsis tas yuav desolder ob lub ncoo thiab tus pin tib lub sijhawm; Kuv tsuas tuaj yeem tsom mus rau lub ncoo. Kuv siv rab riam uas siv tau thiab nias nws ua tib zoo tiv thaiv cov pins, ib zaug, ze rau ntawm nti raws li ua tau, kom txog thaum lawv tau tawg tag nrho. Kuv tau txiav mus rau hauv PCB me ntsis, zoo li koj tuaj yeem pom hauv lwm cov duab, tab sis nws tsis ua teeb meem rau txheej txheej. txoj cai hauv qab IC. Qhov no yog tus yuam sij rau tshem nws. Yog tias koj tsis muaj cov vias no, kuv tsis paub yuav qhia koj li cas. Tau txais cov cua kub ua haujlwm tshiab, lossis sim ua kom ntub cov laug hauv qab nti los ntawm ob sab, Kuv kwv yees. Yog li ntawd kuv tau tig kuv cov hlau txuas mus rau qhov kub siab dua li ib txwm thiab tuav nws mus rau lub ncoo/vias ntawm lwm sab ntawm lub rooj tsavxwm kom txog thaum tus neeg yaj tag txhua txoj kev hla. Cov nti tau xoob thiab sib cais los ntawm PCB, thiab tom qab ntawd kuv tuaj yeem nkag mus rau hauv nws kom tso nws tas li ntawm txoj kev.
Kauj Ruam 2: Ntxuav Pawg Thawj Tswj Hwm
Tom qab tau txais IC tag nrho ntawm lub rooj tsavxwm, Kuv tau txais cov pins tawm nrog cov hlau txuas, ib txwm tsuas yog khawb lawv kom txog thaum lawv daig rau nws thiab tom qab ntawd so lawv tawm ntawm daim txhuam cev.
Tom qab ntawd kuv tau siv lub lauj kaub los txhuam kom tshem tag nrho cov kab laug sab dhau los ntawm lub rooj tsavxwm. Qhov ua kom yuam kev los siv cov hlua txhuam yog kom muab cov laug me ntsis tso rau ntawm cov hlau ua ntej, yog li nws tuaj yeem tsau rau hauv cov nyom thiab ua kom sov sai. Tom qab ntawd muab tus pas nrig tso rau ntawm cov ntaub qhwv, tuav nws nrog rab rab qhov ntswg, thiab muab cov hlau ntub ntub rau saum. Tom qab ntawd kuv zoo li rub lub laujkaub solder kom nws swb raws lub rooj tsavxwm, nrog cov hlau zawv zawg nrog nws, thiab nws rub tus laug, tawm hauv cov ntaub huv. (Xaub qhov ntev raws cov ntaub qhwv, thiab tsis thawb nyuaj, lossis nws tuaj yeem rub cov pawm tawm ntawm lub rooj tsavxwm.) Nws tsuas tuaj yeem nqus tau ntau heev, txawm li cas los xij, yog li koj yuav tsum txiav tawm qhov ntub dej thiab nthuav tawm qhov kawg. Lub ncoo loj nyob hauv nruab nrab nqus cua sov kom zoo dua qub, txawm li cas los xij (qhov ntawd yog lub ntsiab lus), thiab cov ntsaum yuav zoo li txias thiab tau nyam, yog li ua lub ncoo tseem ceeb thiab tus pin ncoo cais, ntawm qhov kub sib txawv. Nws tuaj yeem nyuaj rau pom cov qauv ntawm cov khoom ci me me (IC no tsuas yog 7 hli dav), yog li tos kom nws txias, ntxuav nws nrog cawv, thiab khiav koj cov ntiv tes hla nws kom hnov zoo li pob tw lossis cov khoom seem. Hauv qhov no, kov tau zoo dua li pom (ib yam li ntxuav tais diav!) Tam sim no nws tau huv, koj tuaj yeem pom txhua qhov vias uas hla dhau lub ncoo nruab nrab. Koj kuj tseem tuaj yeem pom qee qhov cim me me ntawm cov ntaub qhwv los ntawm kev txiav cov pins tawm.
Kauj Ruam 3: Tso IC
Yog li cov kauj ruam tom ntej, ib yam li siv tes ua tshuaj txhuam ib qho saum npoo IC, yog muab IC tso rau ntawm cov ntaub qhwv, kab nws, thiab "tsoo" nws rau hauv qhov chaw. Tau nws kab zoo li koj tuaj yeem ua tau, tom qab ntawd tsuas yog siv ib lub ces kaum (ib tus pin, yog tias ua tau). Qhov no tsuas yog tuav nws thaum koj ua lwm yam. Yog tias nws swb me ntsis, koj tuaj yeem yooj yim yaj cov laug thiab hloov chaw kom txog thaum koj tau txais nws tsuas yog, uas koj tsis tuaj yeem ua tau yooj yim yog tias koj tau siv ntau tshaj ib tus pin. Kuv feem ntau tsuas yog tuav IC nyob hauv qhov chaw nrog kuv tus ntiv tes, tab sis koj yuav xav siv daim npog ntsej muag lossis qee yam yog tias koj tsis ntseeg koj tus kheej kom tsis txhob plam.;)
Kauj Ruam 4: Siv lub PowerPad
Tam sim no IC tau nyob hauv qhov chaw, koj yuav tsum tau muab cov ntaub qhwv tso rau hauv nruab nrab. Pom tseeb koj tsis tuaj yeem lo cov hlau txuas hauv qab IC kom yaj nws, yog li koj yuav tsum tau muab tshuaj txhuam nws los ntawm lwm sab ntawm lub rooj tsavxwm. Thaum lub ncoo tseem tsis tau xau, koj yuav tsum tseem tuaj yeem nqa lub kaum sab xis ntawm IC tawm ntawm lub rooj tsavxwm. Thaum koj tsis tuaj yeem ua qhov no ntxiv lawm, koj paub tias nws tau tuav los ntawm cov laug ntawm lub ncoo, txawm tias koj tsis tuaj yeem pom nws. Tig lub cua sov dua, thiab tuav cov hlau txuas rau lub ncoo ntawm lwm sab ntawm PCB, ntxiv cov laug thiab tso nws tawm ntawm qhov vias qhov no yog kuv thawj zaug ua qhov no, thiab kuv tsis saib IC li kuv tau ua. Txij li IC tau cais cais los ntawm pawg thawj coj, nws tau ua, vim tias ntau dua li qhov kuv xav tau ua ke hauv qab IC thiab tshem nws. yuav. Nws yuav tsis thawb cov laug ntau dhau los ntawm cov vias! Nws yuav cia li nyem tawm ob sab ntawm IC (zoo li squashing cov txiv laum huab xeeb Sandwich) thiab yuav muaj cov laug txuas rau txhua tus pin. Tsis txhob ua qhov no! Ib txoj hauv kev zoo dua yog: 1. Saib lwm sab ntawm PCB thiab paub tseeb tias IC tsis tshem tawm ntawm lub rooj tsavxwm. 2. Ntxiv cov tshuaj txhuam hauv qhov me me, cia nws txias, thiab tom qab ntawd kuaj seb IC puas raug kaw lossis tsis yog. Koj kuj tseem tuaj yeem ua qhov no los ntawm kev nqes ob lub kaum sab nraud, yog li IC tsis tuaj yeem nqa, thiab ntseeg tus laug tsuas yog ntsaum txaus kom puv lub ncoo, thiab tsis txhob nyem tawm thiab kov cov pins. Qhov no tej zaum yuav ua haujlwm tau zoo dua, tab sis kuv tsis tau sim nws, thiab koj yuav tsum tau desolder ib lub ces kaum kom paub tseeb tias nws tsis tuaj yeem nqa ntxiv lawm. Tom qab qhov yuam kev no, kuv siv cov laug txhuam los nqus cov laug rov qab dhau ntawm qhov vias, kom txog thaum lub nti rov tiaj dua. Phem! Ua tiav nrog qhov nyuaj.
Kauj Ruam 5: Ruaj Pins
Nov yog txoj hauv kev uas kuv muab tus pas txuas rau ntawm ib sab saum toj IC. Tsuas yog glom solder hla hla tus pins, kom nws so hauv qab lawv, thiab tom qab ntawd tshem tawm qhov ntau tshaj nrog cov quav quav. nrog tweezers. Kuv ntshai heev ntawm kev rhuav tshem lawv thiab yuav tsum rov pib dua. Hmoov zoo, lawv tau rov ua dua, yog li kuv tuaj yeem tsoo ib qho thiab muaj txoj sia nyob.
Kauj Ruam 6: Ntxuav Lub Rooj Tswjhwm Saib thiab Tshawb Xyuas Txhua Yam
Kuv ib txwm ntxuav tag nrho cov seem uas seem tawm ntawm lub rooj tsavxwm kom yooj yim pom cov pins thiab cov laug txuas txuas ntawm lawv. Maj mam khawb cov khoom sib tov nrog tus tweezer kom nws tawm hauv cov nplaim, txhuam cov ntawd, thiab tom qab ntawd muab daim ntawv so tes hle ntawm cov nti thiab tsau nws hauv cawv kom cov dej seem uas seem yuav ntws mus rau hauv daim ntawv tom qab pom tau tias muaj tsis muaj tus choj txuas, siv lub ntsuas ntsuas los txheeb xyuas txhua tus pin uas nyob ib sab rau luv (feem ntau yog kov cov khoom uas lawv txuas nrog, tsis yog tus pin lawv tus kheej), thiab tom qab ntawd txheeb xyuas txhua tus pin rau luv rau lub zog ntsuas phoo (pom tseeb nws zoo yog tias muaj tus pin hauv av) txuas nrog hauv av). Tom qab koj tau lees paub tias tsis muaj luv luv ntawm ib tus pin, koj ua tiav! Plug nws thiab sim nws.
Pom zoo:
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