2024年04月20日

彩电电视开关电源的维修

2003 年 11 月 19 日
 

?????????????????????? ???????????·???????????????ú????????±???????,???????????????ú???????·?????????????????????????????·.???????????????·?ó??·????????????????????ó?à,?????????·?ù??????????×??¤?????????·,????????????????????,?????ò???????????????????í?????????????à????(?ò?????à×??????é??),?????????÷???é?????????????????÷???ì??·?·¨. ??°??????????????????????·?????????·??±??¤???·???ó??·?×é??. 1?????????·:???????????????··????§???????????·???????é???????·,??STR-S….????IC??TEA2104,TDA4601??TDA4605??TDA2261?????? 2?????????·:?????????????????í?ù?????????÷?í????????·???,???¨??×?????±???????????????±??????¨?±????±???,?ò?¨????±??????÷??????????????±?????????????????.??????·??????·?????ù??±???????????????·?×é??,???à?ú??????·????·??????IC(??SE110??IC)????????×é??????,???????ú???ò??·???????×é??(?à???ú?ú?ú),???????ú????????????IC±??í????????????·????·(????·???????????????IC). 3??±??¤???·:???????????????è??±??¤???·,??±??¤·????ù???????·?????????
??÷±??¤??????±??¤???·??±??¤(???·±??¤),????????±??¤?? ???÷±??¤???·?????÷???ù??,?ó??·??????ú?????????÷??????????·???????????. ????±??¤???·?????ù????°???×?220V???÷?????÷???¨?ó???????ò?÷????????????,?¨????????????????(?? ????)?????????ù??±?. ???·±??¤???·?????ù????°?????????????????????×é?????????¨????????????????????±????ù????IC????????????,????·??ú?ù??????????IC?????è??”???????·”??????”???????·”????????????±??¤???????·,?÷???ù????????????,?¨???ü?????????·?????????????????????????????????ò???à,??????·ù????????????????,?????????????????ù±?????·?·¨: ?????????????ó,?ó?à????????????????,??????????????,???÷????????×é????????????220V40W??????×÷??????,??????????????°???·?????????????????????×?????±????÷????70V×ó??????????,????????·?·¨???ê??±??????ò???·???????????????????????????ó????°???????????????(??????),??70V×ó???????????????????????¤×÷,?????÷??×???±????÷??????????,?????????????????????????¨?????¤?è????????????±?,??????????????????????????????????±?????±??????ò±í?÷????????·????·?????
?.???????????????????ò±í?÷???????·??·???????. ???????é??:??????????????????????????????????????,??????????????·?·¨.?±?????????????????????±,???????????·????????????????,?ò???ì????·?·¨??:???????????????????????????·,???????·????????×???,?ò±í?÷?????????ù±?????·????·?????ù±??????·???????à°???±???IC?????????????ù??(±???IC?????à???á?????????????±????),?????????????·?????????????§????????,???§???????ú???????¨??×????§??????????. ???????é??:???·??????,?±?·???????????????±,?×???ì?é??????×è(????????311·ü???????÷?????????ù??????????×è??·????·?ò±??±,?í??????????????????·???????±??¤???·??×÷?ù????,??STRS6309????6??????(??????0V),STR50213????5??(?????±100V×ó??)TEA2261????3??(?????±??0V),TDA4601????5??????,??????±??¤???·????????,??°??????ú?????????·??????????,???¨??????????????±?,?í???±???????·??????(?????????÷??)???á???????·????.???????????????·??±????ò???????·,????·????÷?????·,±??¤???·??±??????????·??????????????,???????????????×??. ?í??,???????????÷?????????ò??????????????????,?ù???÷?????¤×÷?±,?
???????????????8-10±?????????????????,?????????·?????????ü?????·,(????????±????÷??????×é??????????×è?????§?·)?????÷????????????????????????????,??????????×÷?????????????????????????à????×÷??.?±???????????????±,???×?????÷????????,?????è????×????????????????????¨????2518??????,?ì?é·??????????????ü?????·?????????????????±?????????á±??????????????????????????÷??????????????.


站内搜索