ʻO ka hoʻoponopono pilikia pilikia PCBA

Ke hoʻopau ʻia ka hoʻolālā PCB, pono mākou e nānā iā ia no nā hiʻohiʻona āpau.E like me kā mākou hoʻopau ʻana i ka pepa hoʻāʻo iā mākou iho, pono mākou e hana i kahi loiloi maʻalahi a nānā hou i kona mau pilikia āpau, i ʻike ʻole mākou e hana hewa nui ma muli o ka mālama ʻole.ʻO nā mea hana neoden mauna ma lalo nei e wehewehe pehea e hoʻoponopono ai i ka ʻike pili pili i ka PCBA kaʻina pōkole pōkole.

1. E wehe i ka hoʻolālā PCB ma ke kamepiula, ua hoʻomālamalama ʻia ka pūnaewele pōkole pōkole, e ʻike i kahi kahi kokoke loa, ʻoi aku ka pili i kahi ʻāpana.E nānā pono i ka IC kūloko pōkole pōkole.Inā manual soldering, e hoʻomohala i ka maikaʻi maʻamau:.

2. Ma mua o ke kūʻai ʻana e nānā pono i ka papa PCB i hoʻokahi manawa, a e hoʻohana i ka multimeter e nānā i nā kī kī (ʻoi aku ka mana a me ka lepo) inā pōkole.

3. I kēlā me kēia manawa ma hope o ka wili ʻana i kahi chip e hoʻohana i ka multimeter e ana i ka lako mana a me ka lepo inā he pōkole pōkole.

4. PCBA hana soldering manawa 'aʻole e lele hao, accidentally hoolei i ka solder i ka chip's soldering kapuai (o ka oi aku i ka papaʻaina sticker nā mea), 'aʻole maʻalahi ka loaʻaʻana o ka pōkole-kaapuni hanana.E lawe i ka papa e ʻoki i ka laina (kūpono loa no ka papa papa hoʻokahi/pālua), ʻoki i ka laina ma hope o ka hoʻoikaika ʻana o kēlā me kēia ʻāpana o nā poloka hana, a hoʻopau mālie.

5. ʻO ka hoʻohana ʻana i nā mea hana hoʻokaʻawale wahi pōkole.

6. PCBA chip hana BGA chip, no ka mea, ua uhi ʻia nā hui solder a pau e ka chip i ʻike ʻole ʻia, a me ka papa multi-layer (ʻoi aku ma mua o 4 mau papa), a laila ʻoi aku ka maikaʻi o ka hoʻokaʻawale ʻana i ka lako mana i ka hoʻolālā ʻana o kēlā me kēia chip, me he kuʻi magnetic a i ʻole 0 ohm pili lā uila, i loaʻa kahi mana me kahi kaapuni pōkole i ka honua, e hoʻokaʻawale ana i ka ʻike ʻana i ka bead magnetic, maʻalahi loa ka hoʻoholo ʻana i ka hanauna i kahi chip.Ma muli o ka paʻakikī o ka BGA soldering, manual welding, inā ʻaʻole makaʻala e pili kokoke i ka mana a hoʻopaʻa ʻia ʻelua mau pōlele solder pōkole.

7. Li'ili'i-nui papaʻaina sticker capacitor kuʻihao pono e akahele, o ka oi aku ka mana lako kānana capacitor ( 103 a 104 ), he heluna nui, ua oluolu e kumu i ka mana lako a me ka lepo pōkole.

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