Njira ya 9 yaFakitale ya PCBKuyendera Kwa Gulu Loyang'anira kumayambitsidwa motere:
1. Ndi zoletsedwa kugwiritsa ntchito zida zoyeserera zoyeserera kuti mugwire TV yamoyo, Audio, video ndi zida zina zam'madzi za PCB kuti muyesere kusinthira.
Ndi zoletsedwa kuyesera pa TV, Audio, makanema ndi zida zina popanda kusinthika kwamphamvu ndi zida ndi zida zokhala ndi zokongoletsera. Ngakhale wolemba wa kanema wa radiete wa radsette ali ndi mphamvu yosinthira mphamvu, mukamalumikizana ndi zida zapadera za TV kapena zomveka bwino.
2. Yang'anirani magwiridwe antchito a chitsulo chogulitsira poyesa ma pCB board
Saloledwa kugwiritsa ntchito chitsulo chogulitsa ndi mphamvu. Onetsetsani kuti chitsulo chogulitsidwa sichinanenedwe. Gwirani chipolopolo cha chitsulo chogulitsa. Samalani ndi madera a Kholo. Ndiwotetezeka kugwiritsa ntchito zitsulo zotsika kwambiri za 6 ~ 8v.
3. Asanayesedwe pa PCB bolodi, mvetsetsani mfundo yogwiritsira ntchito madera ophatikizidwa ndi mabwalo ogwirizana
Asanayang'anire ndi kukonza zomwe zikuphatikizidwa, muyenera kudziwa bwino ntchito ya dissii yomwe imagwiritsidwa ntchito, magetsi a magetsi, ndi magetsi wamba, ndi mfundo yogwiritsira ntchito madera omwe ali ndi zigawo zokhumudwitsa. Ngati mikhalidwe yomwe ili pamwambapa yakumana, kusanthula ndi kuyendera kumakhala kosavuta.
4. Osayambitsa mabwalo afupi pakati pa zikhomo poyesa bolodi ya PCB
Mukayeta magetsi kapena kuyesa mayeso ndi oscillososcope prober, osayambitsa dera lalifupi pakati pa zikhomo zomwe zikutsogolera kapena kuyesa, ndi muyeso wa madera osindikizidwa amalumikizidwa mwachindunji ndi zikhomo. Gawo lililonse lalifupi limatha kuwononga mosavuta dera lomwe laphatikizidwa. Muyenera kusamala kwambiri mukamayesa ma cmos athyathyathya.
5. Kukana kwamkati kwa chipangizo cha PCB Board kuyenera kukhala lalikulu
Tikayeza magetsi a DC zikhomo za iC iC, zolimba ndi kukana mkati mwa 20k / v kuyenera kugwiritsidwa ntchito, apo ayi pakhale cholakwika chachikulu cha zikhomo.
6. Yang'anirani kusamalira kutentha kwa madera omwe adaphatikizira poyesa bolodi ya PCB
Madera omwe adaphatikizira kuyenera kukhala ndi kutentha kwabwino, ndipo sikuloledwa kugwira ntchito mumphamvu zapamwamba popanda kumira kutentha.
7. Waya wotsogolera wa PCB Board ayenera kuyesedwa moyenera
Ngati mukufuna kuwonjezera zinthu zakunja kuti musinthe zigawo zowonongeka, zigawo zing'onozing'ono ziyenera kusankhidwa, ndipo zigawozo ziyenera kukhala zomveka popewa kuphatikizira kwa madipouni ndi kutha kwa zigawo zingapo.
8. Kuti muwone bolodi ya PCB kuti muwonetsetse bwino
Wogulitsa, wogulitsayo ndi wolimba, ndipo kudziunjikira kwa msirikali ndi ma pores angayambitse ntchito zabodza. Nthawi yogulitsa nthawi zambiri imaposa masekondi atatu, ndipo mphamvu ya chitsulo iyenera kukhala pafupifupi 25 yotentha. Gawo lophatikizidwa lomwe lagulitsidwa liyenera kufufuzidwa mosamala. Gwiritsani ntchito mawu owunjiriza ngati pali bwalo lalifupi pakati pa zikhomo, onetsetsani kuti palibe msilikali, kenako muyatse mphamvu.
9. Osaweruza kuwonongeka kwa chigawo chophatikizira mosavuta poyesaPCB Board
Osaweruza kuti dera lophatikizidwa lawonongeka mosavuta. Chifukwa choti madera ambiri omwe aphatikizidwa amaphatikizidwa mwachindunji, nthawi yomweyo dera likasintha, ndipo zosinthazi sizingoyambitsa chifukwa chowonongeka kwa gawo lomwe laphatikizidwa. Kuphatikiza apo, nthawi zina, magetsi oyeza pa pini iliyonse ndi osiyana ndi magetsi abwinobwino. Makhalidwe azofanana kapena atatseka, mwina nthawi zonse amawonetsa kuti dera lophatikizidwa ndilabwino. Chifukwa zolakwa zofewa sizingasinthe kusintha kwa DC Vorusege.
Kunyumba