??? > ?? > >
?????
???????????????1????????????????????????????
? ?2013-7-25 23:38:45 ?
??
- ??????1?
??????
????????????????????????????
????6 (?????????)
??????????????????????????
???????8301130?230530??????
???1?16????????????????????????????????
?????????????????????????
??????????
?????????????
???? + ??? + ??
???????????
?????????HDTV???DVD???AV???????????
??????????a?????????????????
??
????????????
???
??????????
?????????
????????????
???????????
???????????????????
?????
?A/D????????,??a/d???????????????a/d?ˡ???dc-dc???????pwm??????????dc-dc????]??]????]??????
??DVD?
??????????230530
?????