请教各路英雄改丰田锐志音响有干扰问题

<P>丰田锐志最高版本（DVD+导航）不换主机加阿尔派功放喇叭有“哒哒哒”噪音。就算不发动，开ACC时也有，还有开大灯时更严重。</P>
<P>希望各位高手不吝赐教。谢谢！</P>



<P>=</P>

<P>高手还没出来呀？？？？？？</P>

<P>你是不是喇叭也换掉了？</P>

换主机就没事，嗽叭也换了，各位大大帮帮忙，小弟在此谢谢了。

再请高手赐教

<P><a href="http://www.carcav.com/bbs/dispbbs.asp?boardID=66&ID=19093&page=1" target="_blank" >http://www.carcav.com/bbs/dispbbs.asp?boardID=66&ID=19093&page=1</A></P>
<P>有帖在此，怎么不看啊。一个一个去排除吧。</P>
<img src="images/post/smile/dvbbs/em04.gif" />

<DIV class=quote><B>以下是引用<I>上海敏</I>在2006-2-23 10:57:00的发言：</B><BR>换主机就没事，嗽叭也换了，各位大大帮帮忙，小弟在此谢谢了。</DIV>
<P>
<P>你原车主机是不是用的高转低？</P>

功放换过．喇叭换过．信号线换过．地线重接过．喇叭线换过．高转低试过．拆开主机抽信号试过，喇叭一样会发出＂哒哒哒＂的声音．

<P>换主机试过，一切都正常了</P>

<img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" />