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		<h1>Mainboard&#x3A; Mạch Clock Gen trên Mainboard MSI</h1>
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			<li>Thứ bảy - 18/12/2010 23:10</li>
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			1 Mạch tạo xung Clock trên Mainboard MSI MS-6507

Vị trí của mạch Clock Gen trên Mainboard MSI – MS 6507
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			<p> &nbsp;</p><ol style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "> <li style="list-style-type: decimal; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 35px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; line-height: 21px; "> <br  /> <span style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 128, 0); "><strong style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "><em style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">&nbsp;Bạn đưa trỏ chuột vào để xem chú thích trên main</em></strong></span><br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> <a href="http://lqv77.files.wordpress.com/2009/01/clokgen.jpg" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 102, 102); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; "><img alt="clokgen" class="aligncenter size-full wp-image-683" height="314" src="http://lqv77.files.wordpress.com/2009/01/clokgen.jpg" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-style: none; border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; clear: both; display: block; float: none; " title="clokgen" width="468" /></a> <p style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "> &nbsp;</p> <p style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "> <em style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">Mạch Clock Gen trên Mainboard</em></p> </li> <li style="list-style-type: decimal; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 35px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; line-height: 21px; "> <strong style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "><span style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 0, 255); ">Sơ đồ nguyên lý của mạch Clock Gen</span></strong><a href="http://lqv77.files.wordpress.com/2009/01/sodomach.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 102, 102); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; "><img alt="sodomach" class="aligncenter size-full wp-image-684" height="335" src="http://lqv77.files.wordpress.com/2009/01/sodomach.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-style: none; border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; clear: both; display: block; float: none; " title="sodomach" width="468" /></a> <p style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "> <em style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">Sơ đồ nguyên lý của mạch Clock Gen trên Mainboard MSI MS-6507</em></p> </li> <li style="list-style-type: decimal; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 35px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; line-height: 21px; "> <span style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 0, 255); "><strong style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">Xung Clock cấp cho CPU</strong></span><a href="http://lqv77.files.wordpress.com/2009/01/clk_cpu.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 102, 102); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; "><img alt="clk_cpu" class="aligncenter size-full wp-image-685" height="159" src="http://lqv77.files.wordpress.com/2009/01/clk_cpu.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-style: none; border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; clear: both; display: block; float: none; " title="clk_cpu" width="468" /></a></li> <li style="list-style-type: decimal; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 35px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; line-height: 21px; "> <span style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 0, 255); "><strong style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">Xung Clock cấp cho Chipset bắc</strong></span><a href="http://lqv77.files.wordpress.com/2009/01/clk_mch.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 102, 102); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; "><img alt="clk_mch" class="aligncenter size-full wp-image-686" height="159" src="http://lqv77.files.wordpress.com/2009/01/clk_mch.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-style: none; border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; clear: both; display: block; float: none; " title="clk_mch" width="468" /></a></li> <li style="list-style-type: decimal; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 35px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; line-height: 21px; "> <span style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 0, 255); "><strong style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">Xung Clock cấp cho Chipset nam</strong></span><br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> <br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> <a href="http://lqv77.files.wordpress.com/2009/01/clk_ich.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 102, 102); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; "><img alt="clk_ich" class="aligncenter size-full wp-image-687" height="159" src="http://lqv77.files.wordpress.com/2009/01/clk_ich.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-style: none; border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; clear: both; display: block; float: none; " title="clk_ich" width="468" /></a></li> <li style="list-style-type: decimal; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 35px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; line-height: 21px; "> <span style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 0, 255); "><strong style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">Xung Clock cấp cho ROM BIOS</strong></span><a href="http://lqv77.files.wordpress.com/2009/01/clk_rom.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 102, 102); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; "><img alt="clk_rom" class="aligncenter size-full wp-image-688" height="170" src="http://lqv77.files.wordpress.com/2009/01/clk_rom.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-style: none; border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; clear: both; display: block; float: none; " title="clk_rom" width="467" /></a></li> <li style="list-style-type: decimal; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 35px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; line-height: 21px; "> Xung Clock cấp cho IC – SIO<a href="http://lqv77.files.wordpress.com/2009/01/clk_sio.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 102, 102); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; "><img alt="clk_sio" class="aligncenter size-full wp-image-689" height="170" src="http://lqv77.files.wordpress.com/2009/01/clk_sio.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-style: none; border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; clear: both; display: block; float: none; " title="clk_sio" width="467" /></a></li> <li style="list-style-type: decimal; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 35px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; line-height: 21px; "> <span style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 0, 255); "><strong style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">Xung Clock cấp cho Card Video trên khe AGP</strong></span><a href="http://lqv77.files.wordpress.com/2009/01/clk_agp.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 102, 102); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; "><img alt="clk_agp" class="aligncenter size-full wp-image-690" height="180" src="http://lqv77.files.wordpress.com/2009/01/clk_agp.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-style: none; border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; clear: both; display: block; float: none; " title="clk_agp" width="468" /></a></li> <li style="list-style-type: decimal; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 35px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; line-height: 21px; "> <span style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 0, 255); "><strong style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">Xung Clock cấp cho các khe PCI</strong></span><a href="http://lqv77.files.wordpress.com/2009/01/clk-pci.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 102, 102); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; "><img alt="clk-pci" class="aligncenter size-full wp-image-691" height="204" src="http://lqv77.files.wordpress.com/2009/01/clk-pci.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-style: none; border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; clear: both; display: block; float: none; " title="clk-pci" width="468" /></a></li></ol><p style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "> <span style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(255, 0, 0); font-size: medium; ">2 – Hư hỏng của mạch tạo xung Clock và phương pháp kiểm tra sửa chữa</span></p><ol style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "> <li style="list-style-type: decimal; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 35px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; line-height: 21px; "> <span style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 0, 255); "><strong style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">Hiện tượng</strong></span>&nbsp;– Bật công tắc nguồn trên Máy tính, quạt nguồn vẫn quay, máy không khởi động, không có âm thanh báo sự cố phát ra từ loa trong, không lên màn hình.<span style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 0, 255); "><strong style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">Nguyên nhân</strong></span>: Hiện tượng trên có thể do một trong những nguyên nhân sau:<br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> - Hỏng mạch Clock Gen =&gt; mất xung Clock cấp cho các thành phần trên Main<br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> - Hỏng mạch VRM làm mất nguồn cấp cho CPU<br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> - Hỏng mạch cấp nguồn cho Chipset<br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> - Hỏng Chipset nam và không đưa ra tín hiệu Reset hệ thống<br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> - Chân Socket CPU không tiếp xúc<br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> - Hỏng ROM hoặc lỗi chương trình BIOS<br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> <br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> <span style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 0, 255); "><strong style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">Thứ tự kiểm tra:</strong></span><br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> Với hiện tượng trên ta cần kiểm tra xung Clock đầu tiên, nếu có xung Clock ta mới kiểm tra tiếp các nguyên nhân sau đó. <p style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "> &nbsp;</p> <p style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "> <span style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 0, 255); "><strong style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">Phương pháp kiểm tra:</strong></span><br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> - Chuẩn bị Main (chưa gắn CPU và RAM)<br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> - Cấp nguồn cho Mainboard qua dây 20 sợi và dây 4 sợi<br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> - Gắn Card Test Main&nbsp; vào khe PCI<br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> - Dùng tô vít chập chân công tắc PW trên Main để mở nguồn<br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> - Quan sát đèn CLK<br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> =&gt;&nbsp; Nếu đèn CLK sáng là có xung Clock<br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> =&gt; Nếu đèn CLK tắt là mất xung Clock hay hỏng mạch Clock Gen</p> <p style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "> <a href="http://lqv77.files.wordpress.com/2009/01/denclk1.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 102, 102); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; "><img alt="denclk1" class="aligncenter size-full wp-image-692" height="212" src="http://lqv77.files.wordpress.com/2009/01/denclk1.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-style: none; border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; clear: both; display: block; float: none; " title="denclk1" width="468" /></a><br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> <em style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">Kiểm tra thấy đèn CLK vẫn sáng =&gt; Mạch Clock Gen tốt</em></p> <p style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "> <a href="http://lqv77.files.wordpress.com/2009/01/clk-tat.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 102, 102); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; "><img alt="clk-tat" class="aligncenter size-full wp-image-693" height="212" src="http://lqv77.files.wordpress.com/2009/01/clk-tat.gif" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-style: none; border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; clear: both; display: block; float: none; " title="clk-tat" width="468" /></a><br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> <em style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">Kiểm tra thấy đèn CLK tắt =&gt; Mạch Clock Gen bị hỏng</em></p> </li> <li style="list-style-type: decimal; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 35px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; line-height: 21px; "> <span style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 0, 255); "><strong style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">Phương pháp sửa chữa</strong></span><br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> - Vệ sinh sạch xung quanh IC – Clock Gen <p style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "> &nbsp;</p> <p style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "> <a href="http://lqv77.files.wordpress.com/2009/01/hanic.jpg" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: rgb(0, 102, 102); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; "><img alt="hanic" class="aligncenter size-full wp-image-694" height="290" src="http://lqv77.files.wordpress.com/2009/01/hanic.jpg" style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-style: none; border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; clear: both; display: block; float: none; " title="hanic" width="258" /></a><br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> - Dùng mỏ hàn khò, khò lại chân IC<br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> - Thay thử thạch anh 14.3MHz<br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> - Thay IC tạo xung Clock<br style="list-style-type: none; list-style-position: initial; list-style-image: initial; text-decoration: none; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /> =&gt; Sau mỗi thao tác bạn hãy thử lại để kiểm tra kết quả</p> </li></ol>
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