2024年04月29日

创维BM1机芯故障现象及解决方法(43PTV300/43PTV480/51PTV480)

2003 年 11 月 19 日
 

BM1?ú?????????ó?°????·?·¨?¨43PTV300/43PTV480/51PTV480?????????ó1???¨?????ú???????????????á?ù×??????ú?????±?????????????ì????????????×÷???????ú?ó???????ú?????????????????ó??1??·?????43PTV300±?????CPU±??¤?????????÷???????????????????é?¤×÷?ì?????????é?????·???????ù????CPU????????????????????Q852?????????????÷RL801·??????????????????÷????????300V??????????±??¤??????·????????? (1) ????????±??¤ ???????ó13?????ú?????????ó??°?????+210V???????·????????????????????????·?????+210V???????ò???¨?á???????ú???????ò??????×????·?ì?é?÷?????±·???L351???·????R?????ú??????L371???·?ò??G????????L391???·?ò??B?????ú?????????????????????????????ó14??°é??????1?? ·???×??????ì???????ó??·??????????¨?¨?????????????ó?????????±??×ó??°??ù???÷??±?????2?? ?ì?????×???é×ó?ù?????????·???ò?????¨???????????±·??ú??±??????????????á???????????????ò???????ú??C2009???§???????ì?é×ó?ù?????·C2020??C2022±????ú?·??ABL???·???ù??????????°ü?????????ì?????¨1?????°???ù??·??????·×é??ABL???·??????×??????÷?ì?????±???÷???ó?????±?á????ABL???·????????×?????????????R517??R529????4.99K???????°R518??2.2K??×è?? 1?? ?ì??ABL??????????????·?·¨?? ·?·¨?? ?ò°×???????¨?¤?§????×?????????????????±????÷??×??ó?????ò??±í??50V??????±í??D4??1???¨????R517?????????ì±í±???3???¨????R529??????????????????????????22V?????????????÷???÷????·??§??????·?·¨?? ?ò??±í??10V??????????D514?¨ABL???·????????????????????????1V-4V?????¨??????????±?????×??ó?±??1V×ó????????????±???×????±??????4V???? 2?? ????ABL???·?????· ?¨1?? ???÷°?D°????????· ?¨2?? ???¨?è°???????????·???×è???á?°?ì?????????????????ú???¨?è°??ì???? ??


站内搜索