LCD TV kho tsis ua tiav kev ua haujlwm

Kev Txhim Kho Feem Dav Dav Hlau:

1. Thaum lub sij hawm sawv kev tawm, lub hwj huam khoom siv tsuas yog muab 5V los yog 3.3V fais fab tuag rau lub CPU. Lwm cov teeb meem 12V.18V.24V.9V yuav tsum tos kom txog thaum STANDBY qhib. Lub sij hawm no, CPU yuav tsum xa ib theem siab 5V lossis 3 3V mus rau lub hwj chim ua ke, lub hwj huam board txuas nrog lub qhov hluav taws xob xa los ntawm CPU ua ntej pib 12V, 9V, 18V.24V voltage, yog tias qhov voltage ntawm lub rooj tsav xwm nws yog ib txwm, qhov tseem fais fab ntawm pawg tsav yog OK.

2. Tom qab pawg CPU tau txais kev pab, qhov 5V voltage uas tau muab los ntawm lub hwj huam khoom siv yog xa mus rau qee lub chips rau lub hwjchim los ntawm qee 3.3V, 2.5V, 1.8V nti regulators. Tsis txhob poob siab txog cov teeb meem tsawg. Ntau zaus tom qab, cov kev kub nyhiab no yog siab dua (0.7V), uas yuav ua rau lub vijtsam dub thiab tsis muaj qhov txhuam teeb. Feem ntau qhov kev puas tsuaj yog tshwm sim ntawm lub lim dej ntawm cov lim dej ntawm cov regulators, los yog lub ntsiab killer ntawm cov coj txawv txawv tom qab kev laus. Feem ntau, txoj kev sib hais haum (digital conversion IC) ntawm cov kua siv lead ua kua tau raug powered los ntawm 3.3V thiab 1.8V, thiab lub hwjchim ntawm lub chaw sau npe txuas nrog lub decoding yog 2.5V. Thaum lub LCD siv li ntawm 1 xyoos, cov kev daws teebmeem no feem ntau nws tshwm sim. Qhov teeb meem ntawm kev sib koom ua ke tsis sib koom ua ke, lub sij hawm no sim txhua tus lub vuam vam theem, qhov kev xyaum tau ua pov thawj tias qhov kev kho yog kho qhov txhaum.

3. Lub vijtsam dub ua tsis yog qhov teebmeem ntawm LCD tom qab tsis muaj grating lossis grating flash. Qhov kev txhaum no feem ntau raug txiav txim los ntawm kev ntsuas cov pa taws. Tom qab kev tswj cov chaw taws teeb tig, nws yog qhov ntsuas los ntsuas qhov fais fab ntawm lub hwj chim Board. Rau qhov kev teeb tsa kev sib txuas ntawm kab teeb meem PIN voltage yog tsis siab 3.3V, thiab ces sim PWM tus neeg pin voltage kuj yog hais txog 3.3V, yog tias nws yog qhov zoo, ces qhov kev tshuaj ntsuam yuav tsum yog lub teeb nrig rov qab yog faulty, Yog tias ob qhov teeb meem no yog tsis muaj, ces qhov teeb meem yog tias kev daws teeb meem tsis ua hauj lwm los yog lub software tsis khiav, ces CPU pawg thawj coj yuav tsum kho.

Cov lus saum toj no tsuas yog ib qhov me me ntawm cov kev kho ntawm kev kho vaj tse hauv plhaus nkas. Yog tias koj xav kho nws sai, koj tseem yuav tsum tau siv sij hawm ntau ntxiv los kho. Kuv vam tias txhua tus tuaj yeem dhau los ua ib tug xibfwb ntawm kev sibtham hauv LCD TVs.

LCD TV hom kev txiav txim siab phem

Tam sim no LCD TVs yog cov khoom loj ntawm cov khw muag khoom loj. Ordinary CPT TVs tau maj maj los ntawm kev ua lag luam. Yog li no, nws yog qhov tseem ceeb rau kev txawj ntse ntawm LCD TV txij nkawm raws li tus neeg kho mob. Cov nram no yog kuv txoj kev paub thiab kev ua haujlwm zoo hauv kev tu vaj tse. Txauv, Kuv vam tias cov khoom yuav tshwm sim yav tom ntej.

Yuav kom kho lub LCD, peb yuav tsum paub txiav txim tias qhov ntawm nws yog qhov tsis ncaj ncees, qhov no yog ib kauj ruam ntawm kauj ruam. Ntawm no yog lub ntsiab faults thiab qhov chaw ntawm LCD TV.

1: Yog tsis muaj suab hauv khau raj, lub teeb hwj ci tuaj rau ntawm lub teeb pom kev, thiab lub vijtsam ua teeb dawb thaum nws qhib. Qhov no txhaum yog feem ntau tshwm sim los ntawm lub rooj teeb tsa tsav tsheb puas tsuaj. Txawm li cas los xij, nws kuj tau pom tias lub teeb hauv lub vijtsam ua puas ntsoog thaum lub sijhawm kho. .

2: Tom qab pib-up, lub paj screen (mosaic) suab nrov. Lub suab zoo li qub. Qhov tshwm sim no yog ib qho teeb meem digital teeb meem (lub qhov tsis txuas nrog lossis tus X contact tsis zoo). Qhov thib ob yog qhov sib txuas hauv lub tshuab tsis zoo.

3: Boot peb tsis muaj, lub teeb zog tsis pom kev. Tij Laug ib tug yog lub hwj chim board yog qhov phem, tus hluas ob yog CPU qhov tsis ua haujlwm zoo.

4: Lub teeb ntsais muag thiab tsis tuaj yeem muab siv rau: CPU lub tsheb npav tsis ua haujlwm lossis cov khau raj IC (BIOS) tsis zoo, thiab "BIOS" IC thiab CPU tsis zoo sib cuag.

Kev txiav txim siab thiab kho ntawm ntau yam ntawm lub plasma screen

Zoo tib yam li TV hauv TV, qhov high-voltage feem ntawm cov ntshav TVs kuj muaj nyob hauv pawg tsav xwm thiab tsav tsheb. Yog vim li cas ho yog tias cov ntu no ua haujlwm nyob rau hauv kev kub siab thiab kev mob siab tam sim no. Txij li cov kev kho mob tam sim no hauv plasma TV yog kev tswj hwm ntawm pawg tswj hwm, hauv kev kho mob tiag tiag, tsuas yog cov thawj tswj hwm lossis lub rooj tsav xwm yuav tsum raug txiav txim, thiab cov khoom nyob rau hauv kev tivthaiv daim ntawv yuav tsum tsis raug kho. Thiab hloov. Vim tias: nyob rau hauv ib sab tes, cov khoom nyob hauv plasma TV Circuit Board pawg saibxyuas feem ntau, uas tsis tuaj yeem muas hauv Suav los yog lub khw ntawm qhov screen; ntawm qhov tod tes, qhov ntau lub voj voos xwm txheej hauv plasma TV yog multi-layered. Tus qauv, kev kho nyob rau hauv non-factory xwm txheej, nws yog ib qho yooj yim los tsim tshiab faults ntawm lub rooj tsavxwm vim plam disassembly, yog li tam sim no ntshav TV,

Kev kho TV hauv TV, tag nrho kev lag luam yog ua haujlwm hauv tsev tswj hwm, uas yog, hloov tag nrho cov khoom seem.

Thaum kho, nrhiav, thiab disassembling qhov circuit ntawm PDP vaj huam sib luag, nws yuav tsum tau sau tseg tias tus tau txais lub peev xwm loj muaj peev xwm tau tawm lawm. Them rau qhov sib txawv ntawm qhov txias thiab kub hauv av thaum pom qhov ntsuas, thiab xyuam xim rau anti-static los yog ESD.

Rau qhov kev txiav txim thiab kev pom ntawm lub hwj chim Board, thawj zaug, nws yuav tsum tau xyuas qhov hluav taws xob qhov tawm ntawm txhua lub hwj chim Board, seb nws yog tib yam li daim ntawv lo rau sab xis ntawm sab xis ntawm lub vijtsam (lub sijhawm no, txhua tus), yog ntsuas qhov ntsuas Tsis zoo li qhov ntsuas qhov ntsuas, nws yog qhov zoo tshaj plaws uas: 1. Lub hwj chim ntawm pawg thawj coj nws puas ntsoog, ua qhov voltage thiab qhov screen yuav txawv; 2. Lub thauj ntawm lub rooj tsav xwm fais fab teeb meem yog teeb meem, ua qhov hluav taws xob qhov tawm ntawm lub hwj huam tsav thiab daim ntawv lo rau ntawm lub tsho yuav tsum tsis sib haum. . Peb tuaj yeem kuaj xyuas cov nqi hluav taws xob ntawm txhua qhov luaj li ntawm lub hwj chim. Yog hais tias tus nqi hluav taws xob ntawm lub qhov hluav taws xob tsis zoo, muab cov ntsaws xaim rau ntawm lub qhov ntsaws thiab disconnect nws los ntawm cov nram qab-kawg. Tom qab ntawd ntsuas qhov fais fab. Qhov hluav taws xob qhov hluav taws xob, yog tias qhov voltage yog ib txwm, qhia tias muaj teeb meem nrog lub Rooj Tswjhwm Saib cov theem tom kawg, thiab lwm tus qauv. Ib qho uas yuav tsum tau nco ntsoov tias VS voltage yog cov zis ntawm ob qho chaw ntawm no (qhia txog qhov chaw ntawm ob qhov chaw nyob ntawm lub sijhawm no), yog li yog qhov VS qhov hluav taws xob tsis txawv txav thaum ntsaws cov roj, Nws tseem yog ib qho tseem ceeb kom muab cov VS ntsaws rau sab nraud los txiav txim seb nws yog lub hwj chim los yog lub rooj tsav xwm teeb meem hauv theem kawg. [Nplooj ntawv]

Nyob rau lub sijhawm ntawd, feem ntau ntawm lub hwj chim ntawm pawg ntseeg yog tias tsis muaj qhov hluav taws xob khiav hluav taws xob los yog cov tsav hluav taws xob tsis tshua muaj siab, uas ua rau lub vijtsam dub (npo dub) txhais tau tias lub ntsej muag tsis muaj teeb, lossis muaj suab lossis tsis muaj suab). Los ntawm kev kuaj nws, nws tuaj yeem pom tias VS tsav tsheb muaj qhov poob siab tau poob qis, thiab VSC tsav tsheb muaj qhov poob siab tau nqis rau li 0V. PS42D8 lub rooj tsavxwm fais fab, nyob rau hauv qhov kev saib xyuas tiag tiag, koj tsis tas coj ib lub dummy load, koj tuaj yeem sim lub tshuab, yog li kev txij nkawm yuav yooj yim heev. Thaum peb xav tias muaj teeb meem nrog lub hwj chim Board, peb tuaj yeem tshem tag nrho cov plugs ntawm tag nrho cov fais fab teeb tsa los ua ke, tshem tawm lub hwj chim rau lub rooj sib txoos, thiab luv 3 thiab 4 kauj ntawm sab laug ntawm CN802 (lossis CN9004) qhov ntsej ntawm lub hwj huam khoom noj khoom haus. Tom qab ntawd, lub hwj huam khoom noj tau siv tau los ntawm 220V (qhov no yuav tsum tau ua). Yog tias lub hwjchim ntawm lub tshuab hluav taws xob zoo, tag nrho cov chaw ntawm lub rooj tsav fais fab yuav muab tso tawm thiab luam tawm ntawm lub rooj tsav tsheb tom qab tau qhib lub zog. Qhov sib npaug qub (nrog rau ib qho kev sib txawv, tab sis qhov sib txawv ntawm qhov sib txawv me me), tsuav yog ib qho voltage los yog ib pawg ntawm cov voltages sib txawv, lub hwj chim ntawm pawg tsav tsheb yog qhov phem.

Yog tias X tsav tsheb ntawm qhov screen tawg, qhov ua txhaum cai nram qab no yuav tshwm sim tau: 1. Daim duab tsaus nti los yog tsis muaj qhov sib txawv los yog tsis muaj teeb meem; 2 Tej zaum yuav muaj npo dub; 3. Muaj cov kab xim dawb ntawm daim duab. Yog tias X tsav tsheb poob siab xav tias tau tawg lawm, pawg thawj coj yuav raug rho tawm ntawm Circuit Court. Yog tias X tsav lub rooj tsav raug tshem tawm, daim duab yuav luag tsis hloov, uas yog, X tsav lub rooj tsav tsheb yog kev txhawb thiab tsis txuas. Thaum lub sij hawm, lub Rooj Tswjhwm Saib X drive tej zaum yuav phem. Los yog koj tuaj yeem hloov nws nrog X tsav lub rooj tsav tsheb. Txawm tias lub fuse ntawm X tsav phaj (qhov no, qhov chaw ntawm lub fuse) yog cua tshuab tuaj yeem kuj yog lub hauv paus rau kev puas tsuaj.

Yog tias Y tsav qhov teeb meem ntawm lub vijtsam ntawm qhov screen tawg, qhov tshwm sim hauv qab no tuaj yeem tshwm sim: 1. Vijtsam dub; 2. Dub vijtsam nyob rau sab sauv lossis vijtsam dub nyob rau sab qis; 3. Tshuaj ntsuam paj (duab yog tsis meej); 4. Kab rov tav kab los yog kab dub los sis cov xim dub los yog siv hlua dub; 5 sab qaum ib nrab ci npo los yog qis ib nrab ci; 6, hlawv Y sab qaum thiab sab sab saum toj ntawm pawg thawj coj saib xyuas. Txawm tias lub fuse ntawm Y tsav phaj (qhov no, qhov chaw ntawm lub fuse) yog cua tshuab tuaj yeem yog ib lub hauv paus rau kev puas tsuaj.

Hom phenomena ntawm cov teeb meem ntawm cov teeb meem ntawm logic yog: 1, lub vijtsev paj; 2, npo dub; 3, kab ntsig lossis kab rov tav los yog txoj kab sib ntsug lossis kab rov tav nyob hauv kab rov tav thiab ntsug qhia; 4, tswj tsis ua hauj lwm; 5, tsis muaj duab, thiab lwm yam .;

Lub voj voog ntawm COF thiab lub fais fab tuag yog puas ntsoog. Cov xwm txheej tshwm sim yog qhov ntsug los sis ntsug ntawm lub teeb ntsug ntawm txoj kev taw qhia, lossis txoj kab dub lossis kab dub ntsug. Nyob rau ntawm Samsung V2 screen, koj tuaj yeem pom qhov kev puas tsuaj ntawm qhov muag ntawm lub pob muag ntawm lub voj voog ntawm COF, xws li cov cua nruas, lub qhov taub, qhov blackening ntawm cov kev sib cog ua ke, thiab lwm yam (Lub sijhawm no , yog tias qhov ua qauv qhia yog V2 Samsung V2 Tsis tas li ntawd, nws yuav tsum ua kom pom qhov zoo los sis qhov phem ntawm qhov kev sib koom ua ke ntawm COF.

1. Ib qho tshwm rau ntawm qhov screen, los yog ntau kab rov tav kab tsis ci:

Kos yog tias lub qhov rooj ntawm Y tsav tsheb thiab Y Board (lub rooj tsav tsheb) no ntsaws. Yog tias nws tsis txhaws, reinsert lub qhov ntsaws. Yog nws twb txhaws lawm, nws yuav tshwm rau saum thiab hauv qab ntawm qhov screen raws li txoj kab tsaus nti. Hloov Y (Pawg Board) (sab sauv thiab qis)

2. Ib qho ntawm lub vijtsam, lossis ob peb kab teeb ci kabmob uas muaj zog dua li cov kab rov tav ntawm sab nraud:

Kos yog tias lub qhov (socket) ntawm Y tsav tsheb thiab Y (lub rooj tsav tsheb) tsis tau txuas. Yog tias nws tsis txuas rau, rov nruab ntsaws lub qhov ntsaws. Yog nws twb txhaws lawm, nws yuav tshwm rau saum thiab hauv qab ntawm qhov screen raws li txoj kab tsaus nti. Hloov Y (tsis tuaj) Board) (sab sauv thiab qis)

3. Ib txoj kab uas tsis muaj ntsug rau seem ntawm qhov screen, los yog lub vertical ntsug thaiv

a. Yog tias muaj kab ntsug uas tsis kaj lug, muaj teeb meem nrog COF.

b. Yog tias muaj qhov ntsug uas tsis yog lub ntsug uas tsis yog-ci, thawj zaug saib yog tias muaj teeb meem nrog qhov txuas qhov sib txuas ntawm COF thiab qhov chaw nyob. Yog tias tsis muaj teeb meem, xyuas seb qhov txuas qhov sib txuas ntawm lub vev xaib qhov twg thiab lub rooj sib tw log yog qhov qub. Yog tias nws tseem yog qhov qub, hloov chaw nyob. Thaum kawg, tom qab hloov, yog tias qhov teeb meem tsis tuaj yeem daws, hloov lub rooj sib tw logic.

4. Thaum lub teeb liab monochrome tshwm nyob rau hauv kev tshuaj ntsuam, ib los yog ntau txoj kab ntawm lwm cov xim zoo li vertically:

a. Yog tias muaj kab ntsig luaj ntawm lwm cov xim, nws yog COF lossis teeb meem nrog qhov screen.

b. Yog tias muaj lwm txoj kab nrig qaim qhov muag xim, ua ntej tshaj yog tias muaj teeb meem nrog qhov sib txuas ntawm qhov sib txuas ntawm COF thiab qhov chaw nyob. Yog tias tsis muaj teeb meem, xyuas seb qhov txuas qhov sib txuas ntawm lub vev xaib qhov twg thiab lub rooj sib tw log yog qhov qub. Yog tias nws tseem yog qhov qub, hloov chaw nyob. Tom qab hloov, yog qhov teeb meem tsis tuaj yeem daws tau, hloov lub rooj sib tw logic. Thaum kawg, yog tias qhov teeb meem ntawm kev hloov cov logic board tseem nyob rau ntawd, muaj teeb meem nrog COF.

5. Lub vijtsam muaj qhov tsaus nti, uas tsis ci, thiab tuaj yeem pom qhov muag pom:

Yog tias tsis muaj qhov tso tawm ntawm qhov ntsuas qhov ntsuas ntawm qhov hluav taws xob tsav, xyuas seb qhov voltages xws li VS, VSC, thiab VA yog qhov qub. Yog tias tsis yog, xyuas seb qhov kev sib tw log ntawm VS_ON puas yog 2.8V tom qab fais fab tuag. Yog tias muaj, lub laj thawj tswj hwm tau tswj kav. Koj tuaj yeem rub lub qhov rooj ntawm lub rooj tsav xwm lub zog, txiav txim siab hais tias lub hwj chim pawg thawj coj tseem yog qhov teeb meem, thiab hloov lub rooj tsav xwm.

6. Ntawm qhov screen, muaj cov ntsiab lus tsis txawv txav uas txawv ntawm cov saum toj no, ci nplaum, lwm yam zoo li:

a. Kuaj seb lub qhov (socket) ntawm qhov chaw nyob thiab lub rooj tsavxwm hauv COF thiab nruab nrab ntawm lub rooj tsav xwm thiab lub rooj tsav xwm nyob ntawm kev sib txuas nrog.

b. Hloov qhov chaw nyob ntawm pawg thawj coj thiab hloov lub rooj sib tw log yog nws daws tsis tau. Yog tias qhov teeb meem tseem nyob rau ntawd, muaj teeb meem nrog COF. [Nplooj ntawv]

7. Tsis muaj grating, qhov taw qhia teeb yog xim liab, thiab xiav txhaum raug txiav txim.

Ua ntej kuaj qhov ntsuas seb nws puas yog ib qho screen los yog teeb meem ntawm pawg thawj coj. Yog tias lub vijtsam pauv, yog lub rooj tsavxwm tuaj yeem pom lub tsheb npav SCL thiab SDA, qhov kev txhaum muaj peev xwm yuav txiav txim siab los ntawm lub tsheb npav raws li nram qab no: Yog tias qhov hluav taws xob muaj nyob ib ncig ntawm 2.4V, IC txuas nrog lub npav ntawm lub rooj tsav tsis, xws li AD9887, VPC3230. , PW1230, thiab lwm yam., Tuaj yeem xyuas lub hwj chim thiab txoj kev IIC ntawm txhua tus IC ua ntej; Yog tias qhov voltage fluctuates ncig 1.8V, kev sib txuas lus ntawm lub ntsiab CPU PW181 thiab cov ntsig txog CPU SDA555 tsis zoo, thiab nws tuaj yeem xyuas seb cov RXD thiab TXD puas muaj teeb meem. Yog tias qhov voltage fluctuates ze li 0.8V, lub cim xeeb thiab NYIAJ CHAB ntawm lub PW181 ua yuam kev.

f. Tsis muaj grating, qhov taw qhia lub teeb liab thiab xiav teeb tsis ci.

Yog tias cov teeb liab thiab xiav teeb tsis pom, SDA555 nws tus kheej feem ntau qhov phem, thiab PW181 nws tus kheej yuav tsis muaj zog lossis tsis ua haujlwm. Tom qab qhov tsis ua hauj lwm ntawm Samsung Y tsav tsheb, cov phenomena tau tshwm sim.

1. Tsis qhib, qhov taw qhia teeb tsis pom kev.

2. Tshuaj ntsuam paj

3. Qhov screen yog dim, tsuas yog qhov muag plooj duab

4. Khau raj rau ib lub sijhawm, tsis muaj duab tsis thwj, qhov taw qhia teeb yog xiav. Kaw thiab ces tig mus, zoo li qub

Kev saib xyuas ntawm PDP ------ cov khoom siv sab hauv

PDP kev ceev faj

Yuav kom tsis txhob muaj kev txaus ntshai, raug mob los yog raug mob rau lub cev, thiab kom tsis txhob muaj kev puas tsuaj tshiab rau PDP, cov neeg ua haujlwm saib xyuas yuav tsum nyeem cov lus hauv qab no kom zoo. Yog tias koj tsis quav ntsej txog cov lus ceeb toom nram qab no, nws yuav ua rau raug mob ntawm kev tuag:

1. Cov qauv sib txawv muaj ntau cov ntxaij vab tshaus thiab tsis tuaj yeem hloov ncaj qha. Nco ntsoov hloov tus qauv qub.

2. Cov qauv PDP (suav nrog qhov screen, circuit tsav, logic circuit thiab power module) ua haujlwm ntawm kwv yees li 350V. Yog tias koj xav khiav cov qauv PDP thaum lub sijhawm ua haujlwm lossis tom qab koj lub cev tsis ua hauj lwm lawm, koj yuav tsum tau txais kev txhawj xeeb kom tsis txhob raug hluav taws xob thiab tsis txhob mus ncaj qha rau ntawm lub voj voog lossis hlau. Qhov no yog vim hais tias lub peev xwm ntawm qhov tsav ntawm qhov tsav tseem tshuav qis zog rau lub sij hawm luv txawm tias tom qab lub hwj chim muab tua, yog li txawm tias tom qab lub hwj chim muab tua lawm, koj yuav tsum xyuas kom meej tias lub lag luam yog ua kom tsawg kawg ib feeb tom qab.

3. Tsis txhob muab lub tshuab fais fab twg uas siab zog tshaj qhov yuav tsum tau ua hauv qhov kev qhia tawm. Yog hais tias lub hwj huam koj siv yog deviated

Qhov tseem ceeb ntawm daim ntawv qhia yuav ua rau hluav taws los yog puas tsuaj rau lub module.

4. Txhob khiav lag luam los yog nruab rau hauv thaj chaw muaj kev sib ntaus, xws li cov chaw ze dej-chav dej, chav ntxhua khaub ncaws, chav ua noj, los yog ze hluav taws lossis cov cua kub cua kub, lossis rau cov hnub ci ncaj qha. Txwv tsis pub nws yuav muaj qhov tsis zoo.

5. Yog tias qee qhov txawv teb chaws (xws li dej, kua, hlau los yog lwm yam khoom tawg) ua rau poob rau hauv qhov module, nws yuav tsum tau muab tua tam sim ntawd. Tsis tas li ntawd, tsis txhob txav ib yam dabtsi hauv lub module raws li nws yuav ua rau muaj kev kub nyhiab lossis luv hluav taws xob uas yuav ua rau hluav taws lossis hluav taws xob.

6. Yog hais tias tus module ua pa luam yeeb, tsw ntxhiab, lossis suab tsis zoo, tam sim ntawd tua lub hwjchim. Zoo tib yam, yog tias qhov screen tsis ua hauj lwm tom qab lub hwj chim-los yog thaum lub sijhawm ua haujlwm, nws yuav tsum raug muab tua tam sim ntawd, thiab tsis ua haujlwm li qub.

7. Tsis txhob ntsaws los yog tshem cov hlua kab ntawm lub module thaum lub module tab tom ua haujlwm lossis cia li poob lawm. Qhov no yog vim hais tias lub capacitor ntawm tus tsav xwm tseem tseem tuav lub siab voltage. Yog tias koj xav mus txuas rau, thov tos tsawg kawg ib feeb tom qab lub hwj chim muab tua.

8. Txij li tus qauv yog lub iav ci, thov kom tsis txhob siv quab yuam sab nrauv vim hais tias lub iav yuav raug puas ntsoog. Ob tug neeg yuav tsum tau koom tes thaum sib txav ntawm qhov module kom tsis txhob raug xwm txheej.

9. Thaum tsim kom tag nrho lub cav, muab cov cua kub thoob tawm hauv siab tas lawm. Lub puag ncig ntawm sab saum toj yog siv rau cov cua sov dissipation. Txhawm rau tiv thaiv kom tsis txhob overheating, tsis txhob muab lub hau rau nws thaum lub sijhawm ua haujlwm, thiab tsis txhob muab tso rau hauv qhov chaw nqaim thiab qhov chaw. Phem qhov chaw.

10. Ntau ntawm cov PDP circuits yog tsim los ntawm CMOS integrated circuits, yog li yuav tsum tau saib xyuas kom tsis txhob muaj hluav taws xob hauv hluav taws xob. Yog li ntawd, thaum kho, nco ntsoov hais kom npog lub hnab tiv thaiv lub thawv. Ua ntej ua haujlwm, nco ntsoov mus rau hauv av.

11. Muaj ntau txoj kab sib txuas nyob ib ncig ntawm qhov screen. Thov ceev faj txhob kov lossis khawb thaum kho lossis tsiv. Yog cov cables puas ntsoog, qhov screen tsis ua hauj lwm thiab kho tsis tau.

12. Cov khoom sib txuas ntawm lub voj voog ntawm pawg thawj coj saib xyuas kuj zoo dua, yog li ceev faj thaum hloov lawv kom tsis txhob raug puas tsuaj;

13. Ceev faj thaum thauj thiab tuav. Kev vibrating deeg yuav ua rau lub iav npo lov los yog cov tsav hluav taws xob los ua kom puas ntsoog. Yog li, nws yuav tsum tau ntim rau hauv ib qho kev sib zog dav hlau rau kev thauj mus los thiab tuav.

14. Khaws rau hauv chaw tswj tau kom tsis txhob muaj qhov kub thiab txias thiab cov av noo ntau dua li cov lus qhia. Yog hais tias nws yog muab tso rau ntev, nws yuav tsum yog