Kho IBM Phau Ntawv AC-Adapter: 7 Kauj Ruam

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:31

Kuv IBM Thinkpad siv lub zog hloov pauv uas muaj qhov hluav taws xob tso tawm ntawm 16V ntawm 4.5A tam sim no. Muaj ib hnub tus adapter nres ua haujlwm.

Kuv txiav txim siab sim kho lub adapter. Yav dhau los kuv kho ntau qhov hloov pauv khoom siv hluav taws xob ntawm PCs thiab tseem yog ib qho AC-fais fab hloov pauv ntawm Asus phau ntawv sau. Kuv pom tias feem ntau ntawm cov khoom siv muaj qhov tsis xws luag. Feem ntau lawv yooj yim los nrhiav thiab kho. Cov Lus Qhia no qhia yuav kho IBM AC-Adapter li cas tab sis siv tib lub hauv paus ntsiab lus nws tuaj yeem ua haujlwm nrog txhua lub zog hloov pauv.

Kauj Ruam 1: Tej Yam Yuav Tsum Muaj THIAB KEV RUAJ NTSEG

Ua ntej tshaj plaws koj xav tau cov khoom siv hluav taws xob tsis xws …:-) Koj xav tau tus tsav tsheb ntsia hlau. Nws tuaj yeem yog hom phillips lossis hom plaub hau tiaj tus, nyob ntawm qhov khoom siv hluav taws xob. Ua li ntawm IBM adapter koj xav tau Dremel cov cuab yeej thiab txiav cov ntawv ib yam nkaus. Yog xav paub cov khoom tuag koj xav tau ib lub tshuab ntsuas uas muaj txuas ntxiv thiab Kev ntsuas diode. Muaj cov hlau txuas thiab thiab qee cov pliers kuj tseem pab tau thaum hloov chaw. Ceev faj heev! Koj tab tom ua haujlwm nrog LINE POWER ntawm no! Ua qhov yuam kev tuaj yeem tua koj! Txhua txoj kev kuaj xyuas ob zaug sib txuas!- Ua ntej tso lub hwj chim chord rau hauv lub qhov (socket), saib qhov pom thiab sim pom yam uas tsis yog.- Khaws lub rooj ua haujlwm huv (nyuaj ua …;-)- Tom qab rub lub lub hwj chim chord tawm ntawm lub qhov hluav taws xob tos ob peb feeb rau cov capacitors tso tawm. Lawv khaws qhov hluav taws xob ntev thiab lawv ua rau muaj hluav taws xob ntau heev! Nyeem kab ntawv no yog koj xav paub ntau ntxiv txog nws

Kauj Ruam 2: Qhib Rooj plaub

IBM AC-Adapter tsis txhais tau tias yuav qhib. Cov ntaub ntawv yog ua los ntawm ob lub thav duab yas nias ua ke thiab yaj ntawm qhov sib cuag mus rau ib qho. Txhawm rau muab nws sib nrug koj yuav tsum txiav ob ntu ib nrab siv Dremel cov cuab yeej thiab txiav txiav.

Tos qee qhov feeb tom qab tso lub hwj chim lub hwj chim rau cov neeg ua hauj lwm sab hauv daim ntawv hloov pauv! Txiav nrog daim disc raws ob sab ntawm rooj plaub. Ceev faj tsis txhob txiav tob dhau. Muaj cov ntaub ntawv tiv thaiv hauv qab cov ntaub ntawv yas uas npog cov khoom siv hluav taws xob. Yog tias koj pom cov hlau hauv qhov txiav, koj tob me ntsis… Txiav los ntawm cov hlau hlau tuaj yeem ua rau cov khoom siv hluav taws xob puas. Tsuas yog txiav ob sab ntev. Ob sab uas muaj lub hwj chim ntsaws yuav tsum tsis raug txiav.. peb yuav tawg lawv qhib. Nqa rab riam ntsia hlau thiab muab tso rau hauv qhov txiav uas koj tau ua. Muab nws tso rau ntawm ntug rooj plaub, vim tias cov no yog cov ntsiab lus muaj zog tshaj ntawm rooj plaub. Twist tus ntsia hlau tsav kom kis rooj plaub sib nrug. Qhov tsis raug cai ntawm rooj plaub yuav tawg tam sim no. Ua tib yam rau lwm lub ces kaum ntawm rooj plaub. Nqa cov khoom yas los ntawm cov khoom siv hluav taws xob sab hauv. Tam sim no koj tuaj yeem pom cov hlau thaiv. Ntawm daim duab koj tuaj yeem pom tias daim thaiv tau txais qee cov cim … tab sis nws tsis raug txiav thiab nws tseem ua haujlwm tau zoo. Tam sim no koj tuaj yeem tshem daim thaiv thiab cov rwb thaiv tsev kom nkag tau mus rau cov khoom siv hluav taws xob

Kauj Ruam 3: Tshawb xyuas thiab nkag siab…

Pib nrhiav qhov chaw ntawm cov khoom siv fais fab. Peb mloog zoo nkaus li tsuas yog qee qhov xwb. Kuv feem ntau pom tias cov no yog qhov tseem ceeb tshaj plaws. Feem ntau hom swicth cov khoom siv hluav taws xob tuag thaum raug qhib. Lub sijhawm ntawd lub siab tam sim no ntws ntawm thawj lub zog sab. Koj tuaj yeem pom tias yog tias koj ntsaws rau hauv lub hwj chim chord thiab saib ntawm lub qhov (socket). Qee zaum koj tuaj yeem pom cov txim taws uas tshwm sim los ntawm qhov siab tam sim no. Lub fuse no yuav yaj thiab tawg lub zog txuas yog tias ntau dhau tam sim no. Hauv peb qhov xwm txheej fuse tau ntsuas 4A. Lub zog hluav taws xob nws tus kheej tau ntsuas tsuas yog 1A. Tus so yog xav tau los npog qhov siab tam sim no uas ntws thaum hloov pauv.- Hloov khoom siv kho qhov hluav taws xob ac kom tau txais dc voltage. Qhov dc qhov hluav taws xob no siab dua li qhov hluav taws xob tawm tswv yim. Lub khoos phis tawj nyob rau hauv qhov hloov pauv lub zog hluav taws xob muaj txoj haujlwm nyuaj ua thiab qee zaum lawv tawg. Yog tias koj xav paub ntau ntxiv txog nws, nyeem qhov no https://en.wikipedia.org/wiki/Rectifier.- Lwm qhov tseem ceeb yog lub capacitor uas khaws cov khoom siv hluav taws xob. Lub capacitor no yuav tsum tiv taus qhov hluav taws xob siab. Feem ntau ntawm qhov siab tam sim no uas ntws thaum hloov pauv yog tshwm sim los ntawm lub tshuab hluav taws xob no. Ntau lwm qhov tuaj yeem tawg sab hauv, tab sis kuv yuav mloog zoo rau peb qhov tau hais los saum no, vim tias txhua yam dhau los uas xav tau kev txawj ntau dua, yog qhov nyuaj rau ntsuas thiab koj xav tau cov phiaj xwm ntawm lub hwj chim. Feem ntau koj yuav tsis tuaj yeem tau txais qhov no. Yog tias koj xav paub yuav ua li cas lub zog hloov hluav taws xob ua haujlwm, nyeem qhov no

Kauj ruam 4: Fuse

Pib nrog lub fuse. Tig koj lub ntsuas hluav taws xob mus rau kev ntsuas diode (ntsuas txuas mus ntxiv) thiab muab cov kab hluav taws xob ntsuas ntawm ob qho kawg ntawm lub fuse. Lub multimeter yuav tsum "beep" thiab qhia qhov hluav taws xob qis heev (3mV ntawm daim duab). Yog tias qhov xwm txheej fuse zoo thiab tsis xav tau hloov pauv. Txwv tsis pub koj yuav tsum desolder lub fuse thiab muab tso rau hauv ib qho tshiab.

Tsis txhob siv WIRE INSTEAD FUSE! Muaj qhov laj thawj yog vim li cas fuse yaj. Yog tias koj hloov nws thiab txhua yam ua haujlwm, koj muaj hmoo, tab sis feem ntau lwm yam tsis raug thiab ib qho fuse tsuas yog qhia qhov teeb meem. Ua ntej hloov lub fuse ua qhov kev xeem tas. Nws tuaj yeem yog qhov rectifier lossis lub capacitor tawg thiab qhov no ua rau lub fuse yaj. Zoo fuse, yog tias qhov tshwm sim nws tau ua txoj haujlwm nws tau ua rau.

Kauj Ruam 5: Tus Rectifier

Ib feem tom ntej hauv cov saw yog lub rectifier. Yuav luag txhua qhov xwm txheej kuv pom txog niaj hnub no muaj kev siv tus choj txhim kho tag nrho. Ntawm no nws yog ib qho tiaj tus nyob ze ntawm lub zog txuas. Ib zaug ntxiv siv qhov kev ntsuas diode rau kev ntsuas.

Los ntawm hauv qab cov ntawv luam tawm Circuit board koj tuaj yeem ncav cuag cov rectifiers tiv tauj tau yooj yim. Yog tias koj ua raws cov kab txaij ntawm pcb koj yuav pom tias lub hwj chim loj mus rau ob lub pins nruab nrab ntawm lub rectifier. Tom qab ntawd cov pins sab nraud yuav tsum yog qhov uas dc qhov hluav taws xob tuaj txog. Muaj 4 diodes suav nrog hauv tus choj txuas tag nrho. Koj yuav tsum muaj peev xwm ntsuas tag nrho plaub ntawm lawv. Hauv ib qho kev taw qhia multimeter yuav tsum qhia koj txog 0.5V txog 0.7V. Tsis yog txhua lub diode hauv lub rectifier xav tau los qhia tib qhov hluav taws xob. Lawv tsuas yog ze li qub xwb. Yog tias koj pom ib tus lej sib xyaw ua ke qhov twg cov zaub pom ze li 0V, lub kho qhov muag tau txais qhov tsis txaus thiab xav tau hloov pauv. Yog tias koj pom ob tus pin uas koj tau txais ib qho tsis muaj qhov tso tawm qhov diode hauv lub rectifier tau tawg thiab lub rectifier xav tau hloov pauv. Thaum ntsuas nws tuaj yeem yog qhov pom pom 0V rau lub sijhawm luv thiab tom qab qee lub vib nas this nws qhia qhov xav tau 0.5-0.7V. Qhov no yog qhov qub. Cov nyhuv los ntawm lub capacitor. Yog tias koj pom tias lub rectifier tau tawg… tsis txhob tsum ua cov kauj ruam tom ntej thiab, vim qhov no tsis xav tau los ntawm qhov teeb meem.

Kauj Ruam 6: Capacitor

Tam sim no siv peb Multimeter hauv hom diode kom paub seb lub tshuab ua haujlwm puas ua haujlwm.

Muab cov ntsuas ntsuas rau ntawm tus pin ntawm lub capacitor thiab saib cov zaub thaum ua qhov ntawd. Sai li sai tau thaum koj tso cov pins tso saib pom 0V. Tom qab ntawd qhov hluav taws xob hauv cov zaub pib loj hlob thiab cov zaub qhia tau tias tsis muaj qhov kawg. Txauv cov ntsuas ntsuas. Tib yam tshwm sim dua. Yog tias koj siv lub multimeter uas tau txais lub suab nrov, koj tuaj yeem hnov lub suab luv luv thaum txuas tus pin. Yog tias koj tsis hnov lub suab nrov, lossis yog tias lub suab nrov nrov tsis nres tom qab ob peb feeb, lub capacitor yuav tawg. Yuav kom ntseeg tau tias nws yog, koj yuav tsum tau desolder nws thiab rov ntsuas dua. Yog tias lub tshuab hluav taws xob zoo tab sis koj ntsuas qhov tsis txaus ntawm pcb cov ntaub ntawv uas lub tshuab hluav taws xob tau muab muag, qhov hloov pauv transistor yuav muaj qhov tsis txaus. Yog tias yog qhov xwm txheej koj yuav tsum tshem lub transistor thiab rov ntsuas dua. Yog tias lub ntsuas ntsuas pom qhov tsis txaus, koj tuaj yeem muaj hmoo los ntawm kev hloov lub transistor. Txhua yam dhau ntawm qhov no nyuaj dua thiab nws yuav nyuaj rau piav qhia ntawm no.

Kauj ruam 7: Kho

Tom qab peb pom qhov ua tsis raug peb tuaj yeem kho lub hwj chim.

Yog tias lub capacitor tawg, desolder thiab hloov nws. Kuv sim nrhiav seb qhov no tsuas yog ib feem tsis xws luag thiab txiav txim siab ua qhov kev sim ntxiv ua ntej sim yuav qhov hloov pauv. Kuv tsis muaj lub capacitor uas tau siv rau hauv lub zog xa khoom thiab yuav tsum siv qhov hloov pauv ze. Yog tias siv lwm lub tshuab hluav taws xob ntau dua li qhov qub koj yuav tsum hwm qee txoj cai kom tsis txhob hlawv qee yam … - Saib qhov hluav taws xob uas lub tshuab hluav taws xob tau tsim rau. Tsuas yog siv cov khoom siv hluav taws xob uas muaj qhov sib npaug lossis siab dua ib qho luam ntawm thawj daim ntawv. Yog tias koj saib cov duab kom zoo koj yuav pom tias kuv siv qhov hloov pauv uas tsuas yog 400V. Kuv yooj yim coj txoj kev pheej hmoo vim tias cov khoom siv hluav taws xob pheej yig dua tsuas yog siv 400V cov khoom siv hluav taws xob. Lawv yuav tsum ua haujlwm, tab sis 420V muab qhov sib txawv ntxiv rau kev nyab xeeb. Hauv cov khoom siv hluav taws xob zoo uas muaj ntau dua 400V tau siv … txawm tias qhov no ua tsis tiav dhau sijhawm … raws li koj tuaj yeem pom ntawm no. - Nqa tus nqi muaj peev xwm kom ze li sai tau rau qhov qub. Thawj qhov qhia 68uF. Kuv muaj hmoo pom ib qho uas yog 100uF. Kuv yuav tau sim 47uF ib yam nkaus, tab sis qhov ntawd yuav ua rau tsawg dua tam sim no ntawm sab phau ntawv. Rau kev sim nws yuav zoo. Ua ntej desoldering tus thawj capacitor sau sau cov lus piav qhia txog yuav ua li cas nws tau siv. Nws yog qhov tseem ceeb kom ua kom muaj qhov sib txawv ntawm cov capacitors. Thaum siv cov khoom hloov pauv rau lub pcb yuav tsum tau ceev faj rau qhov "-" thiab "+" rau cov ntaub qhwv kom raug. Khaws qhov qub kom nco ntsoov nws tau txuas nrog li cas. Txhawm rau paub seb lub hwj chim tuaj yeem xa qhov xav tau tam sim no, tso lub hwj chim tiv thaiv ntawm phau ntawv ntsaws. TSIS TXAUS SIAB AC ADAPTER rau NOTEBOOK Tam sim no! Lub NOTEBOOK YUAV TSUM YOG DAMAGED yog tias koj ua! ZOO SIAB! Tsis txhob kov ib qho kev sib cav thaum lub AC-ADAPTER raug hloov pauv! Tos qee qhov feeb tom qab tso lub hwj huam khawm ua ntej kov txhua yam! Ntawm daim duab koj tuaj yeem pom tias lub zog xa khoom 16V raws li tau sau rau ntawm daim paib. Tus neeg tuav ntaub ntawv kub sai heev. Kuv xaiv tus 6.8Ohm resistor. Qhov ntawd yuav tsum kos tam sim no txog 2.4A. Qhov ntawd yog kwv yees li ib nrab ntawm qhov tam sim no ac adapter tuaj yeem muab. Qhov no zoo rau qhov kev xeem luv. Tus tiv thaiv yuav tsum muaj peev xwm tuav 40W hauv qhov teeb tsa no. Nws yuav tsum yog ib qho loj. Raws li koj tuaj yeem pom ntawm daim duab, lub ntsuas hluav taws xob ntsuas tsis haum rau hauv ac-adapter. Tam sim no kuv xav tau yuav lub capacitor tshiab, nrog rau qhov ntsuas zoo ib yam li qub …