关于双龙雷斯特２的ＡＵＸ

<table bordercolor="#cccccc" cellspacing="2" cellpadding="3" width="100%" bgcolor="#ffffff" border="1"><tbody><tr></tr></tbody></table><table bordercolor="#808080" cellspacing="2" cellpadding="3" width="100%" bgcolor="#777e88" border="1"><tbody><tr></tr></tbody></table><div align="left">原车主机带ＡＵＸ输入．分别是４条线．</div>

<p></p><table class="MsoTableGrid" cellspacing="0" cellpadding="0" align="left" border="1" style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; MARGIN: auto 6.75pt; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none; BORDER-COLLAPSE: collapse; mso-border-alt: solid windowtext .5pt; mso-yfti-tbllook: 480; mso-table-lspace: 9.0pt; mso-table-rspace: 9.0pt; mso-table-anchor-vertical: paragraph; mso-table-anchor-horizontal: page; mso-table-left: 147.6pt; mso-table-top: 30.3pt; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-border-insideh: .5pt solid windowtext; mso-border-insidev: .5pt solid windowtext;"><tbody><tr style="mso-yfti-irow: 0; mso-yfti-firstrow: yes; mso-yfti-lastrow: yes;"><td valign="top" width="75" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 56.1pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt;"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; mso-element: frame; mso-element-frame-hspace: 9.0pt; mso-element-wrap: around; mso-element-anchor-vertical: paragraph; mso-element-anchor-horizontal: page; mso-element-left: 147.65pt; mso-element-top: 30.3pt; mso-height-rule: exactly;"><span lang="EN-US"><font face="Times New Roman">L</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">．</span><span lang="EN-US"><font face="Times New Roman">CH<p></p></font></span></p><p></p><p></p></td><td valign="top" width="69" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 51.9pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt;"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; mso-element: frame; mso-element-frame-hspace: 9.0pt; mso-element-wrap: around; mso-element-anchor-vertical: paragraph; mso-element-anchor-horizontal: page; mso-element-left: 147.65pt; mso-element-top: 30.3pt; mso-height-rule: exactly;"><span lang="EN-US"><font face="Times New Roman">R</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">．</span><span lang="EN-US"><font face="Times New Roman">CH<p></p></font></span></p><p></p><p></p></td><td valign="top" width="48" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 36pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt;"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; mso-element: frame; mso-element-frame-hspace: 9.0pt; mso-element-wrap: around; mso-element-anchor-vertical: paragraph; mso-element-anchor-horizontal: page; mso-element-left: 147.65pt; mso-element-top: 30.3pt; mso-height-rule: exactly;"><span lang="EN-US"><font face="Times New Roman">GND<p></p></font></span></p><p></p><p></p></td><td valign="top" width="48" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 36pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt;"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; mso-element: frame; mso-element-frame-hspace: 9.0pt; mso-element-wrap: around; mso-element-anchor-vertical: paragraph; mso-element-anchor-horizontal: page; mso-element-left: 147.65pt; mso-element-top: 30.3pt; mso-height-rule: exactly;"><span lang="EN-US"><font face="Times New Roman">+5V<p></p></font></span></p><p></p><p></p></td></tr></tbody></table><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman"></font></p></span></p><p><font face="Times New Roman"></font></p><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman"></font></p></span></p><p><font face="Times New Roman"></font></p><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman">   </font></p><p><font face="Times New Roman">换上ＤＶＤ后只接了．Ｌ．ＣＨ　　　　Ｒ．ＣＨ　　　　ＧＮＤ　　　为什么转换到ＡＵＸ没有声音</font></p></span></p><p><font face="Times New Roman">   </font></p><p><font face="Times New Roman">换上ＤＶＤ后只接了．Ｌ．ＣＨ　　　　Ｒ．ＣＨ　　　　ＧＮＤ　　　为什么转换到ＡＵＸ没有声音</font></p>

那个+5V是控制信号还是电源输出呀？如果是控制信号就把那里拉成低电平应该就可以了。