140G-J6F3-D20電源
在無(wú)任何原理圖狀況下要對(duì)一塊比較陌生的電路板進(jìn)行維修，以往的所謂“經(jīng)驗(yàn)”就難有作為，盡管硬件功底深厚的人對(duì)維修充滿信心，但如果方法不當(dāng)，工作起來(lái)照樣事倍功半。那么，怎樣做才能提高維修效呢？根據(jù)我公司進(jìn)口設(shè)備維修中心統(tǒng)計(jì)出來(lái)的資料，應(yīng)遵循以下幾個(gè)步驟、按順序有條不紊的進(jìn)行。
方法一：先看后量
使用工具：萬(wàn)用表、放大鏡
當(dāng)手拿一塊待修的電路板，良好的習(xí)慣首先是應(yīng)對(duì)其進(jìn)行目測(cè)，必要時(shí)還要借助放大鏡，看什么呢？
主要看：
1、是否有斷線；
2、分力元件如電阻、電解電容、電感、二極管、三極管等時(shí)候存在斷開(kāi)現(xiàn)象；
3、電路板上的印制板連接線是否存在斷裂、粘連等；
4、是否有人修過(guò)？動(dòng)過(guò)哪些元器件？是否存在虛焊、漏焊、插反等操作方面的失誤；
在確定了被修無(wú)上述狀況后，首先用萬(wàn)用表測(cè)量電路板電源和地之間的阻值，通常電路板的阻值都在70-80？以上，若阻值太小，才幾個(gè)或十幾個(gè)歐姆，說(shuō)明電路板上有元器件被擊穿或部分擊穿，就必須采取措施將被擊穿的元器件找出來(lái)。具體辦法是給被修板供電，用手去摸電路板上各器件的
溫度，燙手的講師重點(diǎn)懷疑對(duì)象。若阻值正常，用萬(wàn)用表測(cè)量板上的阻、二極管、三極管、場(chǎng)效應(yīng)管、撥段開(kāi)關(guān)等分力元件，其目的就是首先要確保測(cè)量過(guò)的元件是正常的，我們的理由是，能用萬(wàn)用表解決的問(wèn)題，就不要把它復(fù)雜化。
140G-J6F3-D20電源
| 140G-J6C3-C70 |
| 140G-J6F3-C80 |
| 140G-J6F3-C90 |
| 140G-J6F3-C90-BA |
| 140G-J6F3-D10 |
| 140G-J6F3-D10-KA |
| 140G-J6F3-D11 |
| 140G-J6F3-D11-UJ |
| 140G-J6F3-D12 |
| 140G-J6F3-D12-KA-MU |
| 140G-J6F3-D12-MU |
| 140G-J6F3-D12-UJ |
| 140G-J6F3-D15 |
| 140G-J6F3-D15-AA |
| 140G-J6F3-D15-BA |
| 140G-J6F3-D15-KA |
| 140G-J6F3-D15-KJ |
| 140G-J6F3-D15-SA-AA |
| 140G-J6F3-D15-SD |
| 140G-J6F3-D16 |
| 140G-J6F3-D16-KJ |
| 140G-J6F3-D16-MU |
| 140G-J6F3-D17 |
| 140G-J6F3-D17-BA |
| 140G-J6F3-D17-KA |
| 140G-J6F3-D17-KJ |
| 140G-J6F3-D20 |
| 140G-J6F3-D20-BA |
| 140G-J6F3-D20-KA |
| 140G-J6F3-D20-KJ |
| 140G-J6F3-D22 |
| 140G-J6F3-D22-AJ |
| 140G-J6F3-D22-KA |
| 140G-J6F3-D25 |
| 140G-J6F3-D25-AA |
| 140G-J6F3-D25-AB |
| 140G-J6F3-D25-BA |
| 140G-J6F3-D25-KA |
| 140G-J6F3-D25-KJ |
| 140G-J6F3-D25-MU |
| 140G-J6F3-D25-UJ-FB |
| 140G-J6F4-D16 |
| 140G-J6F4-D17 |
| 140G-J6F4-D25 |
| 140G-J6H3-C40 |
| 140G-J6H3-D10 |
| 140G-J6H3-D15 |
| 140G-J6H3-D25 |
| 140G-J6H3-D25-AA |
| 140G-J6H4-D25 |
| 140G-J6I3-D10 |
| 140G-J6I3-D25 |
| 140G-J6I3-D25-KA |
| 140G-J6I3-D25-SA-KA |
| 140G-J6X3 |
| 140G-J6X4 |
| 140G-JC6F3-D25 |
| 140G-JTC3-C25 |
| 140G-JTC3-C30 |
| 140G-JTC3-C32 |
| 140G-JTC3-C35 |
| 140G-JTC3-C40 |
| 140G-JTC3-C50 |
| 140G-JTC3-C60 |
| 140G-JTC3-C63 |
| 140G-JTC3-C70 |
| 140G-JTC4-C25 |
| 140G-JTC4-C30 |
| 140G-JTC4-C32 |
| 140G-JTC4-C35 |
| 140G-JTC4-C40 |
| 140G-JTC4-C50 |
| 140G-JTC4-C60 |
| 140G-JTC4-C63 |
| 140G-JTC4-C70 |
| 140G-JTF3-C80 |
| 140G-JTF3-C90 |
| 140G-JTF3-D10 |
| 140G-JTF3-D11 |
| 140G-JTF3-D12 |
| 140G-JTF3-D15 |
| 140G-JTF3-D16 |
| 140G-JTF3-D17 |
| 140G-JTF3-D20 |
| 140G-JTF3-D22 |
| 140G-JTF3-D25 |
| 140G-JTF4-C80 |
| 140G-JTF4-C90 |
| 140G-JTF4-D10 |
| 140G-JTF4-D11 |
| 140G-JTF4-D12 |
| 140G-JTF4-D15 |
| 140G-JTF4-D16 |
| 140G-JTF4-D17 |
| 140G-JTF4-D20 |
| 140G-JTF4-D22 |
| 140G-JTF4-D25 |
| 140G-JTH3-C40 |
| 140G-JTH3-C60 |
| 140G-JTH3-D10 |
| 140G-JTH3-D15 |
| 140G-JTH3-D25 |
| 140G-JTH4-C40 |
| 140G-JTH4-C60 |
| 140G-JTH4-D10 |
| 140G-JTH4-D15 |
深圳市市委、市政府黨組成員鄭紅波在大會(huì)上指出，深圳高度重視5G發(fā)展，堅(jiān)持高強(qiáng)度投入、高標(biāo)準(zhǔn)建設(shè)，著力打造5G網(wǎng)絡(luò)能效優(yōu)質(zhì)的建設(shè)標(biāo)桿、5G技術(shù)先進(jìn)的創(chuàng)新高地、5G應(yīng)用融合的先行典范、5G產(chǎn)業(yè)鏈完備的世界級(jí)產(chǎn)業(yè)集聚區(qū)。接下來(lái)，深圳將繼續(xù)以先行示范的責(zé)任與擔(dān)當(dāng)，進(jìn)一步推動(dòng)5G技術(shù)創(chuàng)新與產(chǎn)業(yè)融合雙向賦能。
大會(huì)還舉辦了第五屆“綻放杯”5G應(yīng)用征集大賽頒獎(jiǎng)典禮，并發(fā)布了《5G應(yīng)用創(chuàng)新發(fā)展白皮書(shū)（2022年）》、《5G增強(qiáng)技術(shù)研發(fā)試驗(yàn)測(cè)試工作進(jìn)展》、《5G-Advanced白皮書(shū)——場(chǎng)景需求與關(guān)鍵技術(shù)》、《5G-Advanced通感融合網(wǎng)絡(luò)架構(gòu)研究報(bào)告》等行業(yè)重磅成果，全方位、多角度地展現(xiàn)了5G最新研究成果。
| R88M-G4K510H-BOS2-Z |
| R88M-G4K510H-BO-Z |
| R88M-G4K510H-BS2-Z |
| R88M-G4K510H-B-Z |
| R88M-G4K510H-OS2-Z |
| R88M-G4K510H-O-Z |
| R88M-G4K510H-S2-Z |
| R88M-G4K510H-Z |
| R88M-G4K510T-BOS2-Z |
| R88M-G4K510T-BO-Z |
| R88M-G4K510T-BS2-Z |
| R88M-G4K510T-B-Z |
| R88M-G4K510T-OS2-Z |
| R88M-G4K510T-O-Z |
| R88M-G4K510T-S2-Z |
| R88M-G4K510T-Z |
| R88M-G5K020H-BOS2-Z |
| R88M-G5K020H-BO-Z |
| R88M-G5K020H-BS2-Z |
| R88M-G5K020H-B-Z |
| R88M-G5K020H-OS2-Z |
| R88M-G5K020H-O-Z |
| R88M-G5K020H-S2-Z |
| R88M-G5K020H-Z |
| R88M-G5K020T-BOS2-Z |
| R88M-G5K020T-BO-Z |
| R88M-G5K020T-BS2-Z |
| R88M-G5K020T-B-Z |
| R88M-G5K020T-OS2-Z |
| R88M-G5K020T-O-Z |
| R88M-G5K020T-S2-Z |
| R88M-G5K020T-Z |
| R88M-G5K030H-BOS2-Z |
| R88M-G5K030H-BO-Z |
| R88M-G5K030H-BS2-Z |
| R88M-G5K030H-B-Z |
| R88M-G5K030H-OS2-Z |
| R88M-G5K030H-O-Z |
| R88M-G5K030H-S2-Z |
| R88M-G5K030H-Z |
| R88M-G5K030T-BOS2-Z |
| R88M-G5K030T-BO-Z |
| R88M-G5K030T-BS2-Z |
| R88M-G5K030T-B-Z |
| R88M-G5K030T-OS2-Z |
| R88M-G5K030T-O-Z |
| R88M-G5K030T-S2-Z |
| R88M-G5K030T-Z |
| R88M-G6K010H-BOS2-Z |
| R88M-G6K010H-BO-Z |
| R88M-G6K010H-BS2-Z |
| R88M-G6K010H-B-Z |
| R88M-G6K010H-OS2-Z |
| R88M-G6K010H-O-Z |
| R88M-G6K010H-S2-Z |
| R88M-G6K010H-Z |
| R88M-G6K010T-BOS2-Z |
| R88M-G6K010T-BO-Z |
| R88M-G6K010T-BS2-Z |
| R88M-G6K010T-B-Z |
| R88M-G6K010T-OS2-Z |
| R88M-G6K010T-O-Z |
| R88M-G6K010T-S2-Z |
| R88M-G6K010T-Z |
| R88M-G75030H-BOS2-Z |
| R88M-G75030H-BO-Z |
| R88M-G75030H-BS2-Z |
| R88M-G75030H-B-Z |
| R88M-G75030H-OS2 |
| R88M-G75030H-OS2-Z |
| R88M-G75030H-O-Z |
| R88M-G75030H-S2-Z |
| R88M-G75030H-Z |
| R88M-G75030T-BOS2-Z |
| R88M-G75030T-BO-Z |
| R88M-G75030T-BS2-Z |
| R88M-G75030T-B-Z |
| R88M-G75030T-OS2-Z |
| R88M-G75030T-O-Z |
| R88M-G75030T-S2-Z |
| R88M-G75030T-Z |
| R88M-G7K515H-BOS2-Z |
| R88M-G7K515H-BO-Z |
| R88M-G7K515H-BS2-Z |
| R88M-G7K515H-B-Z |
| R88M-G7K515H-OS2-Z |
| R88M-G7K515H-O-Z |
| R88M-G7K515H-S2-Z |
| R88M-G7K515H-Z |
| R88M-G7K515T-BOS2-Z |
| R88M-G7K515T-BO-Z |
| R88M-G7K515T-BS2-Z |
| R88M-G7K515T-B-Z |
| R88M-G7K515T-OS2-Z |
| R88M-G7K515T-O-Z |
| R88M-G7K515T-S2-Z |
| R88M-G7K515T-Z |
| R88M-G90010H-BOS2-Z |
| R88M-G90010H-BO-Z |
| R88M-G90010H-BS2-Z |
| R88M-G90010H-B-Z |
| R88M-G90010H-OS2-Z |
| R88M-G90010H-O-Z |
| R88M-G90010H-S2-Z |
| R88M-G90010H-Z |
| R88M-G90010T-BOS2-Z |
| R88M-G90010T-BO-Z |
| R88M-G90010T-BS2-Z |
| R88M-G90010T-B-Z |
| R88M-G90010T-OS2-Z |
| R88M-G90010T-O-Z |
| R88M-G90010T-S2-Z |
| R88M-G90010T-Z |
| R88M-GP10030H-BOS2-Z |
| R88M-GP10030H-BO-Z |
