Waɗannan su ne wasu hanyoyi don duba kebul na LVDS na Talabijin:
Duban Bayyanar
- Bincika ko akwai wani lahani na jiki gaFarashin LVDSda masu haɗin haɗin kai, kamar ko kullin waje ya lalace, ko ainihin waya ta fito, da kuma ko fil ɗin haɗin haɗin yana lanƙwasa ko karye.
- Bincika ko haɗin haɗin haɗin yana da ƙarfi kuma ko akwai abubuwan mamaki kamar sako-sako, oxidation ko lalata. Kuna iya girgiza a hankali ko toshe kuma cire haɗin haɗin don yin hukunci ko lambar tana da kyau. Idan akwai oxidation, zaku iya goge shi da tsabta tare da barasa mai ƙarancin ruwa.
Gwajin Juriya
- Cire kayan aikinallon TV LVDS na USBa gefen motherboard kuma auna juriyar kowane layin sigina guda biyu. A ƙarƙashin yanayi na al'ada, yakamata a sami juriya kusan 100 ohms tsakanin kowane layin sigina biyu.
- Auna juriya na rufi tsakanin kowane layin sigina guda biyu da Layer na garkuwa. Ya kamata juriya na rufi ya zama babban isa, in ba haka ba zai shafi watsa sigina.
Gwajin wutar lantarki
- Kunna TV kuma auna ƙarfin lantarki akanFarashin LVDS.Gabaɗaya, ƙarfin lantarki na yau da kullun na kowane layukan sigina yana kusan 1.1V.
- Bincika ko ƙarfin wutar lantarki naFarashin LVDSal'ada ce. Don nau'ikan TV daban-daban, ƙarfin wutar lantarki na LVDS na iya zama 3.3V, 5V ko 12V, da sauransu.
Gwajin Waveform na sigina
- Haɗa binciken oscilloscope zuwa siginar siginarFarashin LVDSkuma kula da siginar kalaman. Sigina na LVDS na al'ada shine tsaftataccen raƙuman raƙuman ruwa na rectangular. Idan tsarin igiyar igiyar igiyar ruwa ta karkata, girman girman ba daidai ba ne ko kuma akwai tsangwama amo, yana nuna cewa akwai matsala ta watsa sigina, wanda zai iya faruwa ta hanyar lalacewa ta hanyar kebul ko tsangwama na waje.
Hanyar Sauyawa
- Idan kun yi zargin cewa akwai matsala tare da kebul na LVDS, za ku iya maye gurbin shi da kebul na samfurin iri ɗaya wanda aka sani yana da kyau. Idan an kawar da kuskuren bayan maye gurbin, to, kebul na asali yana da kuskure; idan laifin ya kasance, wajibi ne a bincika sauran abubuwan da aka gyara, kamar allon tunani da motherboard.
Lokacin aikawa: Dec-09-2024
