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TCL彩电通病速修((2007-12-0119:09:53HiD29276H.............AV无图像......................IC901.........4052NT25A11...............TCL.......................Q523..........C2688AT2575B...............彩色失控.......................R407.........虚焊2980G...................水平亮线......................ZCS01........TDA8351AT29211A.............有声音无图像..................IC201.........8373AT21211...............机内有异响.....................Q601.........A10152927D...................水平亮线....................IC301........TDA8351虚焊HiD29189H............灯亮不开机......................IC002........24C16AT21228...............灯亮不开机.....................Q206.........C1815AT25215Z.........三无..............................IC201........TDA9373(A01V012129A..................水平亮线.........................C306.........电容2906A..................三无...............................Q403.........D15562901A..................无光栅............................IC001........M06V3-T2510G..................三无...............................Q402.........D25392513E..................三无...............................IC801........STRS66562510G..................图闪...............................IC002........IC002AT25211..............图闪...............................D301.........1N4004AT2965U..............灯亮不开机......................R409.........1RAT21211..............自动关机.........................Q206.........C18159621B..................逃台...............................T105.........中周2976S..................水平亮线......................IC301........TDA8427虚焊R-2917.................灯亮不开机......................D405/R417.BY228/电阻2516D.................有声音无图像....................T402.........插座虚焊2988D.................灯亮不开机.......................IC201........OM8838AT2988D.............灯亮不开机.......................D828.........FR104AT25106B...........有图像无声音.....................IC201.......TDA9373AT25189.............无光栅..............................K1-K6.......轻触开关2906E.................自动关机...........................R831........虚焊AT29187.............三无.................................D808........1N4148AT2127...............自动关机..........................Q206........三极管AT2975...............三无.............................C806.........220UF450VAT21189B............磁化................................IC201........OM8370M768F:三无,Q101K21412975D:灯亮不开机,T401,高压包2988DB:灯亮不开机,Q402,三极管AT25189:自动关机,R8021W1MO2568:有图像无声音,D104/D105,二极管AT2965:灯亮不开机,R4091欧姆电阻

AT2990U:三无,RT80127
HiD29276H:灯亮不开机,IC501TDA6111Q2513E:水平亮线,IC301LA78412988BD:灯亮不开机,Q4014544AT29187:偏色,D52141482575D:图像失真,C806220VM2513E:彩色失控,D421,虚焊2906A:三无,D801,二极管
AT2965U:灯亮不开机,C823,电容AT21231:无光栅,Q206C18152966G:行幅压缩/扩大,R725,电阻AT2988DB:灯亮不开机,Q801D667N21K8:逃台,TU101EI-5GIE-CV1002518E:水平亮线,IC301IC301AT25228:无光栅,c828,电容
AT29S168:灯亮不开机,IB803IC电源稳压块2580DB:灯亮不开机,C835,电容2938Z:三无,IC80578122975D:三无,Q402C41622513E:灯亮不开机,Q801C4793HiD29A21H:三无,C807,电容
RPT-4302M:会聚不能调整,IC31137805虚焊2977E:三无,IC801/C801STR6656/电容3438R:图闪,T104236550AT21266A:有声音无图像,IC101A01V042503C:搜不到台,IC00224C04AT2965U:灯亮不开机,Q402/R401D2539/1N2516D:灯亮不开机,R470,电阻虚焊2139A:灯亮不开机,L824,电感虚焊AT29211A:灯亮不开机,T401,高压包AT34276:有图像无声音,IC602TDA8944HiD34189PB:有声音无图像,R534220Q2175E:有声音无图像,L402,虚焊2938Z:三无,IC8057812AT21211:三无,IC20188291:维修机型:C2133E故障现象:不开机
故障检修:测B+107V正常,行管无负压,再测处理器LA7681025脚(行供电)无电压,按任何键均无反映。怀疑CPU没有正常工作,测CPU12脚(电源)为4.5V较正常值5.1V0.5V,逐一断开5V各路负载,将CPU12脚断开时发现5V正常;查12脚对地短路。换CPUM16V2-S)一切OK

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