Matsalolin kula da allon nuni na LED guda biyar

Yadda za a gyara waɗannan ƙananan kurakuran gama gari?

Da fari dai, shirya kayan aikin kulawa.Abubuwa biyar masu mahimmanci donLED nuni allonMa'aikatan kulawa sune tweezers, bindigar iska mai zafi, baƙin ƙarfe, multimeter, da katin gwaji.Sauran kayan taimako sun haɗa da manna solder (waya), walƙiya mai walƙiya, waya ta jan karfe, manne, da sauransu.

1. Batun caterpillars

Batun katapillar (1)
Batun katapillar (02)

“Caterpillar” kalma ce ta misaltuwa kawai, tana nufin al’amarin doguwar duhu mai haske da ke bayyana akan wasu filayen nunin LED a ƙarƙashin yanayin da ake amfani da su ba tare da tushen shigarwa ba, galibi cikin ja.Tushen wannan al'amari shine yabo daga cikin guntu na fitilun, ko gajeriyar da'irar da'irar IC a bayansa, tare da tsohon shine mafi rinjaye.Gabaɗaya, lokacin da wannan yanayin ya faru, muna buƙatar kawai mu riƙe bindigar iska mai zafi kuma mu hura iska mai zafi tare da “caterpillar” ɗin da ba a canza launin da ke zubar da wutar lantarki ba.Lokacin da muka busa shi zuwa haske mai matsala, yana da kyau gabaɗaya saboda haɗin guntu na ciki ya karye saboda dumama, amma har yanzu akwai haɗarin ɓoye.Mu kawai muna buƙatar nemo bead ɗin LED ɗin da ke zubewa kuma mu maye gurbinsa bisa ga hanyar da aka ambata a sama.Idan akwai wani ɗan gajeren kewayawa a cikin kewaye na baya na IC, ya zama dole don amfani da multimeter don auna ma'auni na IC mai dacewa da kuma maye gurbin shi da sabon IC.

2. Matsalolin "matattu" na gida

mataccen haske

"Hasken matattu" na gida yana nufin ɗaya ko da yawa fitilu akanLED nuni allonwanda ba ya haskakawa.Irin wannan nau'in mara haske ana bambanta shi azaman cikakken lokaci mara haske da launi mara haske.Gabaɗaya, wannan yanayin ya faru ne saboda matsalar hasken da kanta, ko dai damp ko guntu na RGB ya lalace.Hanyar gyaran mu yana da sauƙi, wanda shine maye gurbin shi tare da masana'anta da aka samar da kayan gyaran katako na LED.Kayayyakin da ake amfani da su sune tweezers da bindigogin iska mai zafi.Bayan maye gurbin beads na LED, Sake gwadawa da katin gwaji, kuma idan babu matsala, an riga an gyara shi.

3. Bacewar batu na toshe launi na gida

Batun toshe launi na gida ya ɓace

Abokan da suka saba da allon nunin LED, tabbas sun ga irin wannan matsala, wanda shine lokacin da allon nunin LED ke wasa akai-akai, akwai ƙaramin toshe launi mai siffar murabba'i.Yawancin lokaci ana haifar da wannan matsala ta hanyar ƙona launi na IC a bayan shingen sarrafawa.Maganin shine maye gurbin shi da sabon IC.

4. Matsala ta garbled code

Matsalar lambar garbled na gida

Matsalolin haruffa na gida suna da rikitarwa sosai, yana nufin al'amuran bazuwar ɓarke ​​​​na tubalan launi a wasu wuraren nunin nunin LED yayin sake kunnawa.Lokacin da wannan matsalar ta faru, yawanci mukan fara bincika matsalar haɗin kebul na sigina.Za mu iya bincika ko igiyar ribbon ta kone, ko kebul ɗin cibiyar sadarwa ba ya kwance, da sauransu.A cikin aikin kulawa, mun gano cewa kayan waya na magnesium na aluminum yana da wuyar ƙonewa, yayin da wayar tagulla mai tsabta tana da tsawon rai.Idan an duba haɗin siginar gaba ɗaya kuma babu matsala, to, musanya madaidaicin ƙirar LED tare da tsarin wasan kwaikwayo na yau da kullun na iya tantance ko yana yiwuwa ƙirar LED ɗin daidai da wurin wasan mara kyau ya lalace.Dalilin lalacewar galibi matsalolin IC ne, kuma kulawa da kulawa na iya zama mai rikitarwa.Ba za mu yi karin bayani kan halin da ake ciki a nan ba.

5. Partal black allo ko babban yankin baki matsalar allo

Baƙin allo mai ɓarna ko babban yanki baƙar fata matsala

Yawancin abubuwa daban-daban da zasu iya haifar da wannan lamari.Muna buƙatar bincike da magance matsalar ta hanyoyi da matakai masu ma'ana.Yawancin lokaci, akwai maki huɗu waɗanda zasu iya haifar da baƙar fata akan allon nunin LED guda ɗaya, waɗanda za'a iya bincika ɗaya bayan ɗaya:

1. Sako da kewaye

(1) Da fari dai, bincika kuma tabbatar da cewa kebul ɗin da aka yi amfani da shi don haɗa mai sarrafawa sako-sako ne, mara kyau, ko kuma a kwance.Idan ya zama baki a farkon lokacin da ake lodawa, zai iya faruwa saboda sako-sako da layin sadarwa ya katse hanyoyin sadarwa, wanda hakan ya sa allon ya zama baki.Kada ku yi kuskure kuyi tunanin cewa jikin allo bai motsa ba, kuma layin ba zai iya kwance ba.Da fatan za a bincika da kanku da farko, wanda ke da mahimmanci don magance matsalar cikin sauri

(2) Bincika kuma tabbatar da ko allon rarraba HUB da aka haɗa da allon LED kuma babban katin sarrafawa yana da alaƙa sosai kuma an saka shi a kife.

2. Batun samar da wutar lantarki

Da fatan za a tabbatar cewa duk kayan aikin, gami da tsarin sarrafawa, an kunna su yadda ya kamata.Shin hasken wutar lantarki yana walƙiya ko akwai matsala a cikin wutar lantarki?Ya kamata a lura da cewa yin amfani da ƙarancin wutar lantarki yawanci yana da haɗari ga wannan sabon abu

3. Haɗin kai tare da allon naúrar LED

(1) Allolin jere da yawa ba sa haskakawa a tsaye.Bincika idan wutar lantarki na wannan ginshiƙi al'ada ce

(2) Allolin jere da yawa ba sa haskakawa a kwance.Bincika idan an haɗa haɗin kebul tsakanin allon naúrar al'ada da allon naúrar mara kyau;Ko kuma guntu 245 tana aiki da kyau

4. Saitunan software ko batutuwan bututun fitila

Idan akwai madaidaicin iyaka tsakanin su biyun, yuwuwar software ko saitunan haifar da ita yana da girma;Idan akwai daidaito tsakanin su biyun, yana iya zama matsala tare da bututun fitila.


Lokacin aikawa: Mayu-06-2024