電源IC200PWR201
維修經(jīng)驗總結(jié)
一.帶程序的芯片
1.EPROM芯片一般不宜損壞.因這種芯片需要紫外光才能擦除掉程序,
故在測試中不會損壞程序.但有資料介紹:因制作芯片的材料所致,隨著
時間的推移(年頭長了),即便不用也有可能損壞(主要指程序).所以要
盡可能給以備份.
2.EEPROM,SPROM等以及帶電池的RAM芯片,均極易破壞程序.這類芯片
是否在使用<測試儀>進行VI曲線掃描后,是否就破壞了程序,還未有定
論.盡管如此,同仁們在遇到這種情況時,還是小心為妙.筆者曾經(jīng)做過
多次試驗,可能大的原因是:檢修工具(如測試儀,電烙鐵等)的外殼漏電
所致.
3.對于電路板上帶有電池的芯片不要輕易將其從板上拆下來.
二.復位電路
1.待修電路板上有大規(guī)模集成電路時,應(yīng)注意復位問題.
2.在測試前裝回設(shè)備上,反復開,關(guān)機器試一試.以及多按幾次復
位鍵.
電源IC200PWR201
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| IC200UDR040 | IC200CBL510 |
| IC200PWB001 | IC200CBL545 |
| IC200DTX200 | IC200CBL550 |
| IC200PWR002 | IC200UAR028 |
| IC200DEM004 | IC200CBL525 |
| IC200DEM001 | IC200MDL741 |
| IC200PKG103 | IC200UAL005 |
| IC200UDR140 | IC200CBL520 |
| IC200UDR064 | IC200MDL650 |
| IC200UDR006 | IC200UAA007 |
| IC200DEM064 | IC200MDL643 |
| IC200PKG101 | IC200CBL601 |
| IC200PKG001 | IC200CBL500 |
| IC200PBI001 | IC200CHS012 |
| IC200DBI001 | IC200CBL230 |
| IC200UDR010 | IC200CBL501 |
| IC200PKG010 | IC200CBL120 |
| IC200ACC001 | IC200UAL004 |
| IC200UDR005 | IC200UAA003 |
| IC200CHS121 | IC200MDL636 |
| IC200DTX400 | IC200MDL331 |
| IC200UDR003 | IC200CBL002 |
| IC200UDR002 | IC200TBX520 |
| IC200CPU001 | IC200CBL105 |
| IC200UDD164 | IC200BEM103 |
| IC200UDR001 | IC200CBL110 |
| IC200CMM020 | IC200CBL001 |
| IC200PKG102 | IC200TBX440 |
| IC200NDD010 | IC200UAR014 |
| IC200UDD212 | IC200MDL632 |
| IC200PNS002 | IC200MDL329 |
| IC200CHS102 | IC200MDL244 |
| IC200CHS101 | IC200BEM003 |
| IC200UDD220 | IC200MDL635 |
| IC200UDR120 | IC200MDL243 |
| IC200CPU005 | IC200MDL330 |
| IC200UDD240 | IC200ALG432 |
| IC200CHS112 | IC200TBX364 |
| IC200CHS022 | IC200MDL241 |
| IC200PKG104 | IC200TBX464 |
| IC200NDR010 | IC200TBX223 |
| IC200UDD104 | IC200BEM002 |
| IC200NAL110 | IC200ALG630 |
| IC200PNS001 | IC200TBX264 |
| IC200NAL211 | IC200UDR020 |
| IC200NDR001 | IC200BEM104 |
| IC200MDL930 | IC200TBX240 |
| IC200CHS025 | IC200MDL240 |
| IC200CHS005 | IC200TBX540 |
| IC200CHS006 | IC200TBX214 |
| IC200CHS003 | IC200MDL640 |
| IC200CHS111 | IC200ALG431 |
| IC200MDL940 | IC200ALG430 |
| IC200CPU002 | IC200TBX228 |
| IC200UDD112 | IC200TBX420 |
| IC200UDD120 | IC200TBX340 |
| IC200DEM103 | IC200ALG620 |
| IC200UDD064 | IC200ALG325 |
| IC200CHS014 | IC200MDL144 |
| IC200UDD020 | IC200ALG328 |
| IC200NDD101 | IC200TBX320 |
| IC200CHS011 | IC200MDL143 |
| IC200CHS122 | IC200ALG326 |
| IC200MDL743 | IC200MDL141 |
| IC200MDL750 | IC200TBX164 |
| IC200CBL655 | IC200MDL744 |
| IC200CHS001 | IC200TBX140 |
| IC200CBL602 | IC200TBX123 |
| IC200CHS015 | IC200MDL140 |
| IC200CBL635 | IC200MDD849 |
| IC200CBL615 | IC200PWR001 |
| IC200UAL006 | IC200TBX210 |
| IC200MDL742 | IC200MDD850 |
| IC200UDD040 | IC200UEX064 |
| IC200MDL740 | IC200UEX015 |
| IC200CHS002 | IC200MDD848 |
| IC200CBL555 | IC200UEX014 |
| IC200CBL605 | IC200ALG331 |
| IC200UDD110 | IC200ALG266 |
| IC200MDL730 | IC200TBX110 |
| IC200ACC404 | IC200ALG320 |
| IC200ACC403 | IC200TBX028 |
| IC200ACC312 | IC200TBX128 |
| IC200ETM001 | IC200TBX064 |
| IC200UER008 | IC200MDD847 |
| IC200TBX020 | IC200MDD845 |
| IC200MDD842 | IC200TBX220 |
| IC200PWR202 | IC200MDL631 |
| IC200ACC313 | IC200MDD851 |
| IC200ACC304 | IC200ALG260 |
| IC200UEO016 | IC200ALG321 |
| IC200TBM001 | IC200UEX012 |
| IC200PWR012 | IC200TBX120 |
| IC200UER016 | IC200UEX011 |
| IC200PWR201 | IC200ALG322 |
| IC200MDD846 | IC200TBM005 |
| IC200UEI016 | IC200UEX013 |
| IC200EBI001 | IC200TBM002 |
| IC200UEO108 | IC200ALG264 |
| IC200DTX650 | IC200ALG263 |
| IC200PWR101 | IC200TBX023 |
| IC200ACC303 | IC200ALG327 |
| IC200ACC301 | IC200MDD841 |
| IC200ERM002 | IC200ALG240 |
| IC200ACC200 | IC200MDD843 |
| IC200ACC402 | IC200MDD840 |
| IC200UEI008 | IC200TBX114 |
| IC200PWR011 | IC200ALG261 |
| IC200UDR440 | IC200TBX040 |
| IC200PWR102 | IC200TBX010 |
| IC200DTX850 | IC200ACC415 |
| IC200UEC008 | IC200ACC414 |
| IC200DTX450 | IC200UEX009 |
| IC200UEC208 | IC200CPUE05 |
| IC200UEC108 | IC200MDD844 |
| IC200ACC451 | IC200ACC405 |
| IC200ACC202 | IC200SET001 |
| IC200ACC003 | IC200ALG262 |
| IC200ACC302 | IC200ALG230 |
| IC200UEO008 | IC200UER508 |
| IC200ERM001 | IC200UEO116 |
| IC200UEM001 | IC200TBX014 |
| IC200MDL644 | IC200UEX010 |
| IC200CBL505 | IC200KIT001 |
| IC200ACC201 | IC200ALG265 |
| IC200USB002 | IC200GBI001 |
| IC200USB001 | IC200UEX636 |
| IC200UMB001 | IC200UEX264 |
| IC200UEX736 | IC200UEX214 |
| IC200UEX824 | IC200UEX213 |
| IC200UMM102 | IC200UEX734 |
| IC200UEX826 | IC200UEX222 |
| IC200UEX624 | IC200UEX211 |
| IC200UEX626 | IC200UUB001 |
| IC200UEX215 | IC200UEX212 |
| IC200UEX364 | IC200UEX616 |
| IC200UMM002 | IC200UEX122 |
| IC200UEX209 |
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