Indlela yokuqala yokubona isiphaluka esifutshane:

Cwangcisa i-multimeter kwindawo yokukhangela i-short-circuit (ngokubanzi kunye nomsebenzi we-alarm, ukuba ivuliwe, iya kukhwaza), khangela ukuba kukho i-short-circuit phenomenon, kwaye uyisombulule ngokukhawuleza emva kokuba ifunyenwe.Isenzeko esifutshane sesekethe sesona siqhelo sokusilela kwemodyuli ye-LED.Ezinye zinokufunyanwa ngokujonga izikhonkwane ze-IC kunye nezikhonkwane zentloko.Ukufunyanwa kwesiphaluka esifutshane kufuneka kuqhutywe xa isiphaluka sivaliwe ukuphepha umonakalo kwi-multimeter.Le ndlela yeyona ndlela isetyenziswa ngokuqhelekileyo, ilula kwaye iyasebenza.I-90% yeempazamo inokubonwa kwaye igwetywe ngale ndlela.

Indlela yesibini yokubona ukuxhathisa:

Lungisa i-multimeter kwindawo yokuchasa, khangela ixabiso lokumelana nendawo ethile yebhodi yesekethe yesiqhelo ukuya emhlabeni, kwaye ukhangele indawo efanayo kwenye ibhodi yesiphaluka ukuvavanya ukuba ixabiso lokumelana lihluke kwixabiso eliqhelekileyo lokumelana, ukuba yahlukile, kumiselwe Umda wengxaki.

Indlela yesithathu yokubona amandla ombane:

Lungisa i-multimeter kuluhlu lwe-voltage, jonga i-voltage yomhlaba kwindawo ethile yesekethe ekrokrelwayo ukuba inengxaki, kwaye uthelekise ukuba iyafana nexabiso eliqhelekileyo, elinokugqiba ngokulula ububanzi bengxaki.

Indlela yesine yokubona ukwehla koxinzelelo:

Lungisa i-multimeter kwi-diode yokukhangela i-voltage ye-drop yokubona igiya, kuba zonke ii-ICs zenziwe ngamacandelo amaninzi asisiseko, kodwa zenziwe zincinci, ngoko ke xa kukho i-current edlula i-pin yayo, iya kubakho kwi-pin.Ukuhla kwamandla ombane.Ngokuqhelekileyo, ukuhla kwamandla ombane kwiphini enye yohlobo olufanayo lwe-IC kuyafana.Ngokwexabiso lokuhla kwe-voltage kwi-pin, kufuneka iqhutywe xa isiphaluka sivaliwe.