背光去保護(hù)方法

Forpersonaluseonlyinstudyandresearch;notforcommercialuseForpersonaluseonlyinstudyandresearch;notforcommercialuseTL4941和16對(duì)地短路TL50015對(duì)地短路TL145115對(duì)地短路;\3n3e/H*d3m3P;y!Q7QTL545115對(duì)地短路$C$i(N6]7b5b;y8VTA9687CN1腳吸空1M;B!Y,T$w(XTa9687gn12腳對(duì)地MB377515對(duì)地短路INL837GN14腳對(duì)地IT371315腳空AZ7500BM-E1第4腳接地7H#R7[0g;@4D(_AT174115對(duì)地短路AT13802對(duì)地短路#C${({/_!L)H*@4FKA75001和16對(duì)地短路FA362915和16將外接電容短路$@'W:Q)~1gFA36307和10對(duì)地短路FAN73181腳對(duì)地FAN73111腳接地MP1008ES4對(duì)地短路MP1009ES5腳對(duì)地MP1038EY6腳對(duì)地..取消保護(hù),燈管老化造成保護(hù),MP1038EY用導(dǎo)線11腳連接2腳'C4E6^;G7I4K+CMP1048EY1、5接地U6w5R%S)c5lmps10125腳接地ozl68gn8去保護(hù)OZ960gn4、7腳短接或2腳對(duì)地OZ960OZ9622對(duì)地短路4@%b;}(_0a:J'V-G-k3v0qOZ9654對(duì)地短路OZ9RR8對(duì)地短路OZ993714接地\&]+T2M)C.~-L3b(r4G1POZ9938去掉保護(hù)電路方法：1.把3腳直接對(duì)地短路，2.把6腳直接對(duì)地短路3.把7腳接地電阻取下不用OZ9910GN6腳接地OZ99768腳去保護(hù)對(duì)地OZT1060GN1腳對(duì)地st3245腳接地BA974115對(duì)地短路BA974315對(duì)地短路7N3|1`,})}BD9215F23欠壓保護(hù)17過(guò)壓保護(hù)18過(guò)流保護(hù)BD9893:10腳接地BD9893F7腳對(duì)地;@$R*B7?4m$^BD9897FS/B&B'Q:A"Z)s+O6b+K0|BIT31012和15吸空引腳BIT31025吸空引腳3v.h2`$]6H4jBIT31054吸空引腳BIT31064和27吸空引腳)K&d)r!}%U#PBIT31074吸空引腳BIT319315吸空引腳,G/N(J6i1N-z:C$D9}5pBIT3195G15腳吸空7[G-qt.o;]6F-y"NBIT371315腳吸空去保護(hù)BIT371512腳對(duì)地BIT731315吸空BIT35014J腳懸空或連接4、7腳經(jīng)證實(shí)1和5腳短接去保護(hù)成功9]$X/r,W&l3L5N4sOB3306QPE1C:v"z:}-e1BOB3328UNQP\$g6T&x2O8A7l0B3316NQP5腳對(duì)地7LT$c0d%v"Q!r(I4j9`OB3316QP功能；1；ON/OF電壓輸入*?-k3l/l/Q2~%y2；比較端電容。軟啟動(dòng)時(shí)間設(shè)置電容3；燈管電流反饋4；空腳5；啟動(dòng)時(shí)間電容 7s/t0Y/?y.\.P-J%T+A6；輸出電壓反饋7；電源5V7m/S$Z(R5K0x0T7T8；MOS1驅(qū)動(dòng)輸出,q0W-T7}#G9；MOS2驅(qū)動(dòng)輸出$k(W#{#h7_"H7E;Z10；電源地11；啟動(dòng)頻率設(shè)定電阻1e/?-P+Y*G/{6K-n12；工作頻率設(shè)定電阻-m1a1l,lL,x%s"T13；模擬地14；調(diào)光模擬選擇15；DIM調(diào)光輸入+H/b'~2g:j"P+[+z:}16；系統(tǒng)電壓檢測(cè)TL50015對(duì)地短路OZ9622對(duì)地短路8H;K$c+~)c9B-zTL145115對(duì)地短路OZ9654對(duì)地短路&x([6z'],W+t.uTL545115對(duì)地短路OZ9RR8對(duì)地短路7L3U$b.k'}!Q/~BA974115對(duì)地短路BIT31012和15吸空引腳BA974315對(duì)地短路BIT31025吸空引腳1P/I"N6Z.N7[)DMB377515對(duì)地短路BIT31054吸空引腳AT174115對(duì)地短路BIT31064和27吸空引腳AT13802對(duì)地短路BIT31074吸空引腳#N+W'H1\.X4l-?#q.M%vKA75001和16對(duì)地短路BIT319315吸空引腳TL4941和16對(duì)地短路AAT11008對(duì)地短路FA362915和16 AAT110715對(duì)地短路FA36307和10對(duì)地短路 'B2_9R/E)LOZ9938直接不亮 吸空6腳閃下黑屏 吸空7腳3\"z.F9C&c!D;z"`DSG5841和SG6841是完全一樣的可以直接代換如果沒(méi)有該器件，可以用LD7522代換，只是把原先SG5841的4腳對(duì)地的24K電阻改為100K就好:['o5F;H:];g芯片型號(hào)保護(hù)腳說(shuō)明#P2a:V6_4~$@6^5`7LTL50015對(duì)地短路:m[%A0j(B!]$DX5?&_TL145115對(duì)地短路TL545115對(duì)地短路BA974115對(duì)地短路BA974315對(duì)地短路MB377515對(duì)地短路%]/w0b"v9LAT174115對(duì)地短路AT13802對(duì)地短路KA75001和16對(duì)地短路%D$I!n5F!W6f#nTL4941和16對(duì)地短路494的2腳到12V之間跨接10K電阻解除平衡保護(hù)"R(W2?4v:H;b0m4q%W2e'l:@*g%u-cFA362915和16將外接電容短路FA36307和10對(duì)地短路/j%s+v4z0D$Y7c4m#{OZ960OZ9622對(duì)地短路#[0ZB:G7]9eOZ9654對(duì)地短路OZ9RR8對(duì)地短路OZ9938去除保護(hù)是3腳對(duì)地9H"Z:@9J/]8C"A't-mBIT31012和15吸空引腳BIT31025吸空引腳2r-r"n!E$u)yBIT31054吸空引腳&X5Q:c)f:q$n:_1I#|BIT31064和27吸空引腳!V!q*O0L7LBIT31074吸空引腳"~;G%[.G5vBIT319315吸空引腳.\;?1z+U'U%L;UAAT11008對(duì)地短路AAT110715對(duì)地短路-G7~1o+S'g$[芯片型號(hào)保護(hù)腳說(shuō)明TL50015對(duì)地短路TL145115對(duì)地短路TL545115對(duì)地短路BA974115對(duì)地短路

%R2M;C-h4s0n:ey3p0X)}"n0D(V$@:Rr8w/t'q5I6Z8?!g%fBA974315對(duì)地短路MB377515對(duì)地短路AT174115對(duì)地短路:x.j$s4H,lTAT13802對(duì)地短路KA75001和16對(duì)地短路TL4941和16對(duì)地短路FA362915和16將外接電容短路FA36307和10對(duì)地短路#?2E2g&T.?OZ960OZ9622對(duì)地短路OZ9654對(duì)地短路7F7I#e)D*x$uOZ9RR8對(duì)地短路BIT31012和15吸空引腳BIT31025吸空引腳BIT31054吸空引腳BIT31064和27吸空引腳-b1D5mv7z^"aBIT31074吸空引腳BIT319315吸空引腳-p8U2vE6g~1oAAT11008對(duì)地短路AAT110715對(duì)地短路FAN73141腳對(duì)地短路TL50015對(duì)地短路TL145115對(duì)地短路TL545115對(duì)地短路/W&w;E4z6`&bBA974115對(duì)地短路BA974315對(duì)地短路3r:q1j&w4b&u&k5j(vMB377515對(duì)地短路#`0m-s3W6S,y*P(X7cAT174115對(duì)地短路!S2w0O4K6k)z9X5[.m(LAT13802對(duì)地短路KA75001和16對(duì)地短路TL4941和16對(duì)地短路FA362915和16將外接電容短路FA36307和10對(duì)地短路OZ960OZ9622對(duì)地短路OZ9654對(duì)地短路!QG9z&h%p#T(R#~,KOZ9RR8對(duì)地短路BIT31012和15吸空引腳2V.I)t+Y9[8r.n-]8?-mBIT31025吸空引腳BIT31054吸空引腳BIT31064和27吸空引腳BIT31074吸空引腳;f5^&`1I)z#v0b-}BIT319315吸空引腳4I7n3v3@:I%gAAT11008對(duì)地短路,}+d4s7T%T,j[0D.k,SAAT110715對(duì)地短路型號(hào)引腳處理方法TL50015對(duì)地短路'T/U.\2C%HTL145115對(duì)地短路0x3l!c,V7g6o6Y5@#X,gTL545115對(duì)地短路's)W)s7c4O#@/PTBA974115對(duì)地短路BA974315對(duì)地短路9u,O.u5b+g:A[5BMB377515對(duì)地短路8}$A7v:v8q6w+k6_AT174115對(duì)地短路,]4p1Y7i#q:O9AAT13802對(duì)地短路KA75001和16對(duì)地短路*G'q-?#p2G!}TL4941和16對(duì)地短路&z8|#q5h2t,}FA362915和16將外接電容短路FA36307和10對(duì)地短路4J)K4M9~+D"L,G#S%wOZ960OZ9622對(duì)地短路2o"P"i8P%R8S5`OZ9654對(duì)地短路&I*X2o6t0|$bOZ9RR8對(duì)地短路BIT31012和15吸空引腳9]6v-o3o*}/}*zBIT31025吸空引腳+r6U;E2jC+m9JBIT31054吸空引腳5L9{-W1i0d0`3E9HrBIT31064和27吸空引腳*@6u"S+\.K3E:b1JBIT31074吸空引腳0~9A4@1c2t0m!P6Z!ABIT319315吸空引腳AAT11008對(duì)地短路AAT110715對(duì)地短路TL50015對(duì)地短路7m9s!P#F!v+x-@TL145115對(duì)地短路:L5y$|5]$q\%`.STL545115對(duì)地短路BA974115對(duì)地短路4E*m9y9F7c"rBA974315對(duì)地短路MB377515對(duì)地短路$@+O'D/c%g)^J6J;EzAT174115對(duì)地短路AT13802對(duì)地短路!]/A$b7~+Y:k;Q"lKA75001和16對(duì)地短路TL4941和16對(duì)地短路FA362915和16將外接電容短路FA36307和10對(duì)地短路OZ960OZ9622對(duì)地短路)r8v5].z+X$Z7d0wOZ9654對(duì)地短路OZ9RR8對(duì)地短路+V-W.D2j-w(Z+{BIT31012和15吸空引腳#s0Fu%~!S#tBIT31025吸空引腳!\/z(i%U4|BIT31054吸空引腳BIT31064和27吸空引腳BIT31074吸空引腳,L$U|*o(N(mBIT319315吸空引腳#D*W$d3a%u*Y"h7v:c1r0V*AAAT11008對(duì)地短路AAT110715對(duì)地短路8p:C/@8X'DMP1038保護(hù)腳是6腳/INL83714對(duì)地短路7K*V*Y,`6[6y5w#b!?5s6aDF6109A13對(duì)地短路LCD常用PWM芯片去除保護(hù)方法大全LCD常用PWM芯片去除保護(hù)方法大全;G8G.j.P#A']5T/](y-`芯片型號(hào)供電腳使能輸出腳CT/RT反饋腳保護(hù)腳去保護(hù)方法AAT11003無(wú)4//5/6121/15/148飛線到地1o-Y"L(p,@AAT1100A3164//5/6無(wú)1/15/148飛線到地7X"C0_0Z$V$yAAT1100B3164//5/6101/15/148飛線到地$L*S,^;c2N"M#ArAAT1100C3164//5/6無(wú)1/15/148飛線到地AAT11079無(wú)7/10/141/24/3/1315飛線到地AA13439無(wú)7/101/24_3/12_1315飛線到地'`7Z/G;w'j,L.z%OAT13803無(wú)5712飛線到地AT17419無(wú)7/101/23/4/13/1415飛線到地BA97419無(wú)7/101/23/4/13/1415飛線到地BA97439無(wú)7/101/23/4/13/1415飛線到地BIT3101A1068/914/132/15吸空斷開(kāi)BIT3102A2無(wú)1745吸空斷開(kāi)2y$d%{(S(r;W8@+RBIT310513/18149/10/11/12714吸空斷開(kāi).B3u+y9k$J+?-HBIT31066/122415/16/17/1892/294/27吸空斷開(kāi)-x$w;\9{)[(b3n6s1SBIT310713/18149/10/11/12714吸空斷開(kāi)!c-~0F;?.L7p(U1tBIT3107/371310 6 8/9 4 1 5/13-2 個(gè)IN4148到地1Z+N+_5?)U:Y#C/S/V8NDF610627/81/16414飛線到地?DF6109281/3/14/16515飛線到地?8f%k9}/C7d5g7zFAN731417318/19/14/1513/12911個(gè)IN4148到地FP54519無(wú)7/10/1/23/4/13/1415飛線到地.s*x,^&g6N:g4H9]5f'^KA750012無(wú)8/9/10/11選25/61/2/15/161/16飛線到地MB37759無(wú)7/101/23/4/13/1415飛線到地OZ9605311/12/19/2018/17910/2空3個(gè)IN14148到地4M.J"|%})wOZ9645311/12/19/2018/17913個(gè)IN14148到地,{8y;?7T,|;X-W&v.l#k;i'COZ965161210/1114/1564飛線到地OZ9RR614/5287拆外接高壓電容OZ99101381/3/15/16511103個(gè)IN14148到地OZ9930614/5287拆外接高壓電容+X6\A.^6p6k%t,?OZ9936614/5287拆外接高壓電容OZ99382101/151353/6空短接到地/吸空"V(g-W3p,m$q.E2^OZ99392101/151353/6空短接到地/吸空SEM200510118/91243/2吸空斷開(kāi)SP500113/18149/10/11/12714吸空斷開(kāi)TL50012無(wú)1745飛線到地TL14519無(wú)7/101/23/4/13/1415飛線到地TL14549無(wú)7/101/23/4/13/1415飛線到地7}4M4`#R9n+?'y-R4w6V'OTL49412無(wú)8/9/10/11選25/61/2/15/161/16飛線到地7P9T8Vx9{(v1a用的是OZ9938或OZ9939，OZ9938去保護(hù)：1、完全不亮?xí)r，斷開(kāi)第 6腳；亮一下就滅時(shí)，斷開(kāi)第7腳或者從第三腳接 3個(gè)1N4148到地即可 0X,S:r&}!v4]'E2，現(xiàn)在一部分人在用的辦法，這兩款 顯示器高壓板的電源管理芯片，用的是 OZ9938或OZ9939，OZ9938去保護(hù)：1、完全不亮?xí)r，斷開(kāi)第 6腳；亮一下就滅時(shí)，斷開(kāi)第 7腳或者從第三腳接 3個(gè)1N4148到地即可。OZ9939芯片的從一腳接 1個(gè)4148到地，去保護(hù)。去保護(hù)以后外接四個(gè)燈管， 看那兩個(gè)燈管發(fā)暗， 就你哪一組高壓線圈壞了，把它吸空，然后直接點(diǎn)兩根燈管，上下各一個(gè)，亮度基本和原來(lái)差不多。和客戶交差沒(méi)有多大問(wèn)題。OZ9976，OZ9976GN引腳功能與去保護(hù)方法1、oz9976去過(guò)壓保護(hù)，把8腳對(duì)地短路。2、去過(guò)流保護(hù)，把9腳外接的控制電路，該腳如果電壓為0V也會(huì)保護(hù)，所以只能短路9腳的后級(jí)電路。OZ9976引腳功能1腳、驅(qū)動(dòng)輸出12腳、地3腳、零電流檢測(cè)4腳、設(shè)定工作頻率范圍5腳、最小工作頻率設(shè)定電阻電容6腳、設(shè)定最低工作頻率7腳、PWM調(diào)光控制信號(hào)輸入8腳、過(guò)壓保護(hù)信號(hào)輸入9腳、過(guò)流保護(hù)檢測(cè)輸入10腳、軟啟動(dòng)設(shè)定補(bǔ)償11腳、設(shè)定關(guān)斷延時(shí)時(shí)間12腳、模擬調(diào)光控制信號(hào)輸入13腳、使能控制斷，即啟動(dòng)控制腳 14腳、參考電壓輸出 15腳、供電 16腳、驅(qū)動(dòng)輸出2液晶高壓