Yog vim li cas yog tsis muaj zaub rau cov zaub ntawm lub kub muffle cub?

1. Xyuas seb lub hwj huam mov interface ntawm lub ntsuas cua ntawm lub qhov cub muffle puas yog tawm los yog xoob.

2. Saib xyuas seb lub teeb qhia lub hwj chim hauv lub ntsuas kub puas yog teeb, yog tias nws tau teeb, xyuas seb cov khoom siv cable puas yog; Yog hais tias lub teeb pom kev sab hauv yog tawm (thaum sab hauv yog tsaus), teeb meem nws raws li cov hauv qab no.

3. Xyuas seb lub connector nyob rau hauv lub maub los yog tawm los yog xoob.

4. Xyuas seb lub hwj huam mov Circuit Court ntawm tus maub los puas puas lawm (strument test).

5. Xyuas seb qhov hloov hluav taws xob puas muaj DC 5V tso zis. Tshem tawm cov khoom siv hluav taws xob nyob rau sab nraum qab ntawm tus maub los, tig lub hwj chim hloov, thiab siv ib lub ‘meter’ los ntsuam xyuas seb lub tshuab hluav taws xob hloov hluav taws xob puas muaj DC 5V tso zis, lossis pom qhov muag saib seb lub teeb taw qhia ntawm ib sab ntawm lub zog hloov hluav taws xob puas nyob rau. . Xyuas kom tseeb tias qhov tso zis hluav taws xob ntawm lub zog hloov hluav taws xob yog qhov qub.

6. Xyuas seb puas muaj ib qho luv luv Circuit Court nyob rau hauv lub maub los. Tshem tawm qhov chaw nres nkoj serial cable nyob rau sab nraum qab ntawm tus maub los, siv lub ‘meter’ los kuaj seb puas muaj qhov luv luv ntawm 6 pins thiab 9 pins ntawm qhov chaw nres nkoj serial. Xyuas kom tseeb tias tsis muaj ib qho luv luv Circuit Court (uas yog, tsis muaj luv luv Circuit Court ntawm 6 pins thiab 9 pins ntawm qhov chaw nres nkoj serial nyob rau sab nraum qab ntawm tus maub los. Short-circuit phenomenon).

7.Comprehensive Circuit Court tsis ua hauj lwm, tshem tawm lossis hloov nrog cov chaw tsim khoom.