CACR-SR30TB0BM cpu
在無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?動(dòng)過哪些元器件?是否存在虛焊、漏焊、插反等操作方面的失誤;
在確定了被修無上述狀況后,首先用萬用表測(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。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,用萬用表測(cè)量板上的阻、二極管、三極管、場(chǎng)效應(yīng)管、撥段開關(guān)等分力元件,其目的就是首先要確保測(cè)量過的元件是正常的,我們的理由是,能用萬用表解決的問題,就不要把它復(fù)雜化。
CACR-SR30TB0BM cpu
CACR-PR01AA4AH
|
CACR-PR02AD3NR
|
CACR-PR03AA4AH
|
CACR-PR03BCAF
|
CACR-PR05AA4AH
|
CACR-PR05BCAF
|
CACR-PR20BCAF
|
CACR-PR30BCAF
|
CACR-PRA5AA4AH
|
CACR-SR01AA2AH
|
CACR-SR01AB1ER
|
CACR-SR01AE1ER
|
CACR-SR01AY1SR
|
CACR-SR02AD1ER
|
CACR-SR02AD1FR
|
CACR-SR02AY1SR
|
CACR-SR03AA2AH
|
CACR-SR03AB1ER
|
CACR-SR03AB2ER
|
CACR-SR03AC1ER
|
CACR-SR03AC1FU
|
CACR-SR03AD1KR
|
CACR-SR03BB1AF
|
CACR-SR03BB1AM
|
CACR-SR03BB1BF
|
CACR-SR03BB1CS
|
CACR-SR03BB1ES
|
CACR-SR03BB1HS
|
CACR-SR03BC1AM
|
CACR-SR03BC1ES
|
CACR-SR03BE12M
|
CACR-SR03SB1AF
|
CACR-SR03SB1BF
|
CACR-SR03SZ1SS
|
CACR-SR03TB5BM
|
CACR-SR03TZ0SM
|
CACR-SR03TZ6SF
|
CACR-SR03TZ6SS
|
CACR-SR05AA2AH
|
CACR-SR05AB1ER
|
CACR-SR05AC1ER
|
CACR-SR05AY1SR
|
CACR-SR05BA1AM
|
CACR-SR05BB1AF
|
CACR-SR05BB1AM
|
CACR-SR05BB1BF
|
CACR-SR05BB1BS
|
CACR-SR05BB1ES
|
CACR-SR05BC1ES
|
CACR-SR05BZ1SF
|
CACR-SR05BZ1SS
|
CACR-SR05SB1AF
|
CACR-SR05SB1BF
|
CACR-SR05SZ1SS
|
CACR-SR06TZ6SM
|
CACR-SR07AC1CS
|
CACR-SR07AC1ER
|
CACR-SR07AC1ES
|
CACR-SR07BB1AM
|
CACR-SR07BZ1SM
|
CACR-SR09TZ0SF
|
CACR-SR09TZ6SF
|
CACR-SR10BY1SG
|
CACR-SR10BZ1SF
|
CACR-SR10SB1BF
|
CACR-SR10SB1DF
|
CACR-SR12TB5BM
|
CACR-SR12TB6AF
|
CACR-SR12TZ6SF
|
CACR-SR12TZ6SM
|
CACR-SR15BA1AF
|
CACR-SR15BB1AM
|
CACR-SR15BB1BF
|
CACR-SR15BB1BM
|
CACR-SR15BB1CS
|
CACR-SR15BB1ES
|
CACR-SR15BC1AF
|
CACR-SR15SB1AF
|
CACR-SR15SB1BF
|
CACR-SR15SZ1SD
|
CACR-SR15SZ1SS
|
CACR-SR20BB1AF
|
CACR-SR20BB1AM
|
CACR-SR20BB1BF
|
CACR-SR20BB1BM
|
CACR-SR20BB1CS
|
CACR-SR20BE12F
|
CACR-SR20BE12G
|
CACR-SR20SZ1SS
|
CACR-SR30BB1CS
|
CACR-SR30BE12F
|
CACR-SR30BE12G
|
CACR-SR30BE12M
|
CACR-SR30BY1SD
|
CACR-SR30BY1SG
|
CACR-SR30BY1SS
|
CACR-SR30BZ1SM
|
CACR-SR30SB1AF
|
CACR-SR30SB1AS
|
CACR-SR30SB1BF
|
CACR-SR30SB1BS
|
CACR-SR30SZ1SD
|
CACR-SR30SZ1SS
|
CACR-SR30TB0BM
|
CACR-SR30TZ6SF
|
CACR-SR44BB1AF
|
CACR-SR44BB1AM
|
CACR-SR44BC1BF
|
CACR-SR44BC1CS
|
CACR-SR44BE12F
|
CACR-SR44BE12G
|
研華13.3寸EPD-660,EPD-662智能電子紙解決方案適用于電子布告欄、會(huì)議室、病房信息顯示、患者床頭卡和護(hù)理站電子白板等應(yīng)用場(chǎng)域,由數(shù)位化管理,與DeviceOn/ePaper維運(yùn)軟件聯(lián)機(jī)采用加密機(jī)制有效保護(hù)系統(tǒng),避免未授權(quán)程序運(yùn)行導(dǎo)致資產(chǎn)損失,并支持802.11b/g/n讓數(shù)據(jù)在原本網(wǎng)絡(luò)構(gòu)架能夠快速且正確傳遞,讓建筑中的數(shù)百臺(tái)電子紙?jiān)趲追昼妰?nèi)一次更新,呈現(xiàn)給終端使用者,大大減輕管理者負(fù)擔(dān),并提供給終端使用者舒適的視覺體驗(yàn)。研華電子紙系列設(shè)計(jì)以『Green Economy』作為產(chǎn)品核心,節(jié)能、穩(wěn)定為其產(chǎn)品特色。選用的元件、零組件皆符合歐盟RoHS規(guī)范。若以電子墨水技術(shù)取代傳統(tǒng)紙張,如使用1500張A4紙、可以減少碳排放量27kg,讓我們以此具體行動(dòng)來落實(shí)企業(yè)永續(xù)發(fā)展與綠色設(shè)計(jì)的概念。
供應(yīng)ICS
|
T8310
|
T8310
|
T8310
|
T8431
|
T8403
|
T8310
|
T8461
|
T8311
|
T8110B
|
T6100
|
T6200
|
T6300
|
T6050
|
T8100
|
T8110
|
T8300
|
T8150
|
T8151
|
T8403
|
T8423
|
T8431
|
T8402
|
T8480
|
T8451
|
T8471
|
T8160
|
T8153
|
T8448
|
T8640
|
T8200
|
T8201
|
T8202
|
T8220
|
T8222
|
T8224
|
T8225
|
T8226
|
T8800
|
T8801
|
T8821
|
T8830
|
T8831
|
T8850
|
T8870
|
T8912
|
T8913
|
T8920
|
T8921
|
T8901-01
|
T8901-05
|
T8901-10
|
T8901-15
|
TC-001-01
|
TC-001-02
|
TC-002-01
|
TC-003-01
|
TC-004-01
|
TC-011-01
|
TC-011-02
|
9100
|
9110
|
9300
|
9431
|
9432
|
9401
|
9451
|
9831
|
9832
|
9833
|
9801
|
9802
|
9803
|
Allen-Bradley(羅克韋爾),Schneider(施耐德),Siemens(西門子),GE(通用電氣),ABB,
Omron(歐姆龍),IFM(易福門),Emerson(艾默生),F(xiàn)anuc(發(fā)那科),F(xiàn)oxboro(?怂共_),
Westinghouse(西屋),Honeywell(霍尼韋爾),Panasonic(松下),Mitsubsihi(三菱),
Beckhoff(倍福),Yaskawa(安川),Pepperl+fuchs(倍加福),B&R(貝加萊),Danfoss(丹佛斯)
,F(xiàn)uji(富士),F(xiàn)esto(費(fèi)斯托),Phoenix(菲尼克斯),Koyo(光洋),Yokogawa(橫河),
Heidenhain(海德漢),Hydac(賀德克),Hirschmann(赫斯曼),Keyence(基恩士),Moeller(穆勒),
Kuka(庫卡),Kollmorgen(科爾摩根),Lenze(倫茨),Rosemount(羅斯蒙特),LG,LS(產(chǎn)電),
Rexroth(力士樂),Leuze(勞易測(cè)),Norgren(諾冠),Pilz(皮爾茲),Pro-face(普洛菲斯),
SMC,Sanyo(三洋),Delta(臺(tái)達(dá)),Turck(圖爾克),Sick(施克),Sharp(夏普),Eaton(伊頓),bently (本特利)