{"id":1533,"date":"2018-07-06T04:37:32","date_gmt":"2018-07-06T04:37:32","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=1533"},"modified":"2024-12-09T14:41:39","modified_gmt":"2024-12-09T07:41:39","slug":"mainboard-mach-cap-nguon-cpu","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=1533","title":{"rendered":"Mainboard: M\u1ea1ch c\u1ea5p ngu\u1ed3n CPU (VRM \u2013 Vol Regu Module)"},"content":{"rendered":"<figure id=\"attachment_11147\" aria-describedby=\"caption-attachment-11147\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-11147 size-full\" title=\"Mainboard: M\u1ea1ch c\u1ea5p ngu\u1ed3n CPU\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/mainboard-mach-cap-nguon-cpu.jpg\" alt=\"Mainboard: M\u1ea1ch c\u1ea5p ngu\u1ed3n CPU\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/mainboard-mach-cap-nguon-cpu.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/mainboard-mach-cap-nguon-cpu-510x272.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/mainboard-mach-cap-nguon-cpu-300x160.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/mainboard-mach-cap-nguon-cpu-600x320.jpg 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-11147\" class=\"wp-caption-text\">Mainboard: M\u1ea1ch c\u1ea5p ngu\u1ed3n CPU<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>1. Th\u00e0nh ph\u1ea7n m\u1ea1ch VRM<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\">VRM l\u00e0 (Vol Regu Module \u2013 Modun \u1ed5n \u00e1p) \u2013 M\u1ea1ch \u1ed5n \u00e1p ngu\u1ed3n cho CPU\u00a0th\u01b0\u1eddng n\u1eb1m b\u00ean c\u1ea1nh Socket c\u1ee7a CPU, m\u1ea1ch bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n:<\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">Ngu\u1ed3n c\u1ea5p 12V \u0111\u1ea7u 4 pin<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">IC dao \u0111\u1ed9ng (hay c\u00f2n g\u1ecdi l\u00e0 IC \u0111i\u1ec1u xung)<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">Vcc=12V c\u1ea5p cho IC giao \u0111\u1ed9ng<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">L\u1ec7nh EN\/VTT c\u1ea5p cho IC giao \u0111\u1ed9ng.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">C\u00e1c IC driver<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">C\u00e1c Mosfet c\u00f4ng su\u1ea5t<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">C\u00e1c cu\u1ed9n d\u00e2y (xung quanh CPU, \u0111\u1eb7c tr\u01b0ng \u0111\u1ec3 nh\u1eadn bi\u1ebft)<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">T\u1ee5 l\u1ecdc ngu\u1ed3n v\u00e0o 16V\/1200FF&#8230; 3300MF<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">T\u1ee5 l\u1ecdc ngu\u1ed3n Vcore 6.3V\/820MF&#8230;3300MF<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\">Ch\u1ee9c n\u0103ng c\u1ee7a m\u1ea1ch VRM l\u00e0 \u0111i\u1ec1u khi\u1ec3n ngu\u1ed3n c\u1ea5p cho CPU \u0111\u01b0\u1ee3c \u1ed5n \u0111\u1ecbnh v\u1edbi m\u1ed9t d\u00f2ng \u0111i\u1ec7n t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn kho\u1ea3ng 8 \u0111\u1ebfn 10A.<\/p>\n<figure id=\"attachment_44623\" aria-describedby=\"caption-attachment-44623\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-44623 size-full\" title=\"M\u1ea1ch VRM tr\u00ean Mainboard ASUS Socket 478\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/mainboard-mach-cap-nguon-cpu-1.jpg\" alt=\"M\u1ea1ch VRM tr\u00ean Mainboard ASUS Socket 478\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/mainboard-mach-cap-nguon-cpu-1.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/mainboard-mach-cap-nguon-cpu-1-300x160.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/mainboard-mach-cap-nguon-cpu-1-510x272.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-44623\" class=\"wp-caption-text\">M\u1ea1ch VRM tr\u00ean Mainboard ASUS Socket 478<\/figcaption><\/figure>\n<figure id=\"attachment_44624\" aria-describedby=\"caption-attachment-44624\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-44624 size-full\" title=\"M\u1ea1ch VRM tr\u00ean Mainboard GIGABYTE Socket 478\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/mainboard-mach-cap-nguon-cpu-1-1.jpg\" alt=\"M\u1ea1ch VRM tr\u00ean Mainboard GIGABYTE Socket 478\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/mainboard-mach-cap-nguon-cpu-1-1.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/mainboard-mach-cap-nguon-cpu-1-1-300x160.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/mainboard-mach-cap-nguon-cpu-1-1-510x272.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-44624\" class=\"wp-caption-text\">M\u1ea1ch VRM tr\u00ean Mainboard GIGABYTE Socket 478<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>2. C\u00e1ch nh\u1eadn bi\u1ebft v\u00e0 b\u1ed1 tr\u00ed m\u1ea1ch tr\u00ean mainboard:<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">&#8211; C\u00e1c cu\u1ed9n d\u00e2y, t\u1ee5 l\u1ecdc v\u00e0 mosfet xung quanh CPU. &#8211; M\u1ea1ch n\u00e0y d\u1ec5 th\u1ea5y b\u1eb1ng c\u00e1ch b\u1ed1 tr\u00ed c\u00e1c link ki\u1ec7n bao g\u1ed3m 2, 3 hay 4 cu\u1ed9n d\u00e2y 2 hay 3 mosfet \u1ee9ng v\u1edbi m\u1ed7i cu\u1ed9n d\u00e2y v\u00e0 v\u00f4 s\u1ed1 t\u1ee5 h\u00f3a xung quanh socket c\u1eafm CPU.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">&#8211; \u1ede m\u1ea1ch n\u00e0y, khi ta ch\u01b0a c\u1eafm CPU (Pentium 4 tr\u1edf l\u00ean) v\u00e0o socket th\u00ec s\u1ebd kh\u00f4ng c\u00f3 ngu\u1ed3n (n\u1ebfu c\u00f3 l\u00e0 m\u1ea1ch b\u1ecb l\u1ed7i). Khi ta c\u1eafm CPU v\u00e0o th\u00ec m\u1ea1ch t\u1ef1 \u0111\u1ed9ng c\u1ea5p \u0111\u00fang ngu\u1ed3n m\u00e0 CPU c\u1ea7n. \u0110\u1ec3 \u0111o ki\u1ec3m tra ngu\u1ed3n c\u1ea5p cho CPU ta \u0111o t\u1ea1i ch\u00e2n c\u00e1c cu\u1ed9c d\u00e2y. L\u01b0u \u00fd trong c\u00e1c cu\u1ed9c d\u00e2y tr\u00ean c\u00f3 1 cu\u1ed9n l\u1ecdc ng\u00f5 v\u00e0o s\u1ebd c\u00f3 m\u1ee9a \u00e1p 12V c\u00e1c cu\u1ed9n l\u1ecdc ng\u00f5 ra m\u1edbi ch\u00ednh l\u00e0 ngu\u1ed3n c\u1ea5p cho CPU. &#8211; N\u1ebfu c\u1eafm CPU m\u00e0 main kh\u00f4ng h\u1ed5 tr\u1ee3 c\u0169ng s\u1ebd kh\u00f4ng c\u00f3 ngu\u1ed3n Vcore \u1edf ng\u00f5 ra. \u0110\u1ec3 kh\u1eafc ph\u1ee5c, d\u00f9ng CPU t\u1ea3i gi\u1ea3 \u0111\u1ec3 ki\u1ec3m tra m\u1ea1ch VRM l\u00e0 t\u1ed1t nh\u1ea5t.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>3. S\u01a1 \u0111\u1ed3 t\u1ed5ng qu\u00e1t:<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong><img decoding=\"async\" src=\"https:\/\/hocvienit.vn\/images\/gallery\/mach-nguon-cpu-3.PNG\" alt=\"\" border=\"0\" \/><\/strong><\/span><\/p>\n<figure id=\"attachment_11149\" aria-describedby=\"caption-attachment-11149\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-11149 size-full\" title=\"S\u01a1 \u0111\u1ed3 t\u1ed5ng qu\u00e1t\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/so-do-tong-quat.jpg\" alt=\"S\u01a1 \u0111\u1ed3 t\u1ed5ng qu\u00e1t\" width=\"750\" height=\"615\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/so-do-tong-quat.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/so-do-tong-quat-510x418.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/so-do-tong-quat-300x246.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/so-do-tong-quat-600x492.jpg 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-11149\" class=\"wp-caption-text\">S\u01a1 \u0111\u1ed3 t\u1ed5ng qu\u00e1t<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>4. S\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd th\u1ef1c t\u1ebf c\u1ee7a m\u1ea1ch:<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><strong>C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a m\u1ea1ch VRM<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>IC dao \u0111\u1ed9ng<\/strong>: C\u00f3 ch\u1ee9c n\u0103ng t\u1ea1o dao \u0111\u1ed9ng (t\u1ea1o xung PWM &#8211; xung \u0111i\u1ec1u ch\u1ebf \u0111\u1ed9 r\u1ed9ng) \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u00e1c c\u1eb7p \u0111\u00e8n Mosfet ho\u1ea1t \u0111\u1ed9ng<\/li>\n<li><strong>IC \u0111\u1ea3o pha<\/strong>: T\u00e1ch m\u1ed7i dao \u0111\u1ed9ng ra th\u00e0nh 2 dao \u0111\u1ed9ng c\u00f3 pha ng\u01b0\u1ee3c nhau<\/li>\n<li><strong>C\u00e1c \u0111\u00e8n Mosfet<\/strong>: Ho\u1ea1t \u0111\u1ed9ng \u0111\u00f3ng ng\u1eaft theo t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n c\u1ee7a xung PWM, khi xung PWM c\u00f3 pha d\u01b0\u01a1ng th\u00ec Mosfet d\u1eabn, khi xung PWM c\u00f3 pha \u00e2m th\u00ec Mosfet ng\u1eaft.<\/li>\n<li><strong>Cu\u1ed9n d\u00e2y<\/strong>: K\u1ebft h\u1ee3p v\u1edbi t\u1ee5 \u0111i\u1ec7n \u0111\u1ec3 l\u1ecdc \u0111i\u1ec7n \u00e1p xung th\u00e0nh \u00e1p m\u1ed9t chi\u1ec1u DC<\/li>\n<li><strong>T\u1ee5 \u0111i\u1ec7n: <\/strong>K\u1ebft h\u1ee3p v\u1edbi cu\u1ed9n d\u00e2y \u0111\u1ec3 l\u1ecdc \u0111i\u1ec7n \u00e1p xung th\u00e0nh \u00e1p m\u1ed9t chi\u1ec1u DC<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ea1ch VRM:<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li>Khi c\u00f3 \u0111i\u1ec7n \u00e1p Vcc cung c\u1ea5p cho IC dao \u0111\u1ed9ng (ISL 6565A) \u0111\u1ed3ng th\u1eddi ch\u00e2n PGOOD (ch\u00e2n b\u00e1o s\u1ef1 c\u1ed1 ngu\u1ed3n ATX) c\u00f3 \u0111i\u1ec7n \u00e1p b\u00ecnh tu\u1eddng th\u00ec IC s\u1ebd ho\u1ea1t \u0111\u1ed9ng, n\u00f3 t\u1ea1o ra c\u00e1c xung PWM1, PWM2 v\u00e0 PWM3 \u0111\u1ec3 c\u1ea5p cho 3 c\u1eb7p \u0111\u00e8n Mosfet<\/li>\n<li>C\u00e1c xung PWM \u0111\u01b0\u1ee3c t\u00e1ch ra l\u00e0m hai xung c\u00f3 pha ng\u01b0\u1ee3c nhau khi \u0111i qua IC \u0111\u1ea3o pha, sau \u0111\u00f3 hai xung ng\u01b0\u1ee3c pha s\u1ebd \u0111\u01b0a \u0111\u1ebfn \u0111i\u1ec1u khi\u1ec3n ch\u00e2n G c\u1ee7a c\u00e1c \u0111\u00e8n Mosfet.<\/li>\n<li>Khi \u0111\u00e8n Mosfet c\u00f3 xung d\u01b0\u01a1ng \u0111i\u1ec1u khi\u1ec3n n\u00f3 s\u1ebd d\u1eabn, c\u00f3 xung \u00e2m \u0111i\u1ec1u khi\u1ec3n n\u00f3 s\u1ebd ng\u1eaft, v\u00ec v\u1eady \u0111\u00e8n Mosfet s\u1ebd \u0111\u00f3ng ng\u1eaft li\u00ean t\u1ee5c theo nh\u1ecbp dao \u0111\u1ed9ng c\u1ee7a xung PWM<\/li>\n<li>Hai \u0111\u00e8n Mosfet tr\u00ean m\u1ed7i c\u1eb7p s\u1ebd \u0111\u00f3ng ng\u1eaft lu\u00e2n phi\u00ean, \u0111\u00e8n n\u00e0y d\u1eabn th\u00ec \u0111\u00e8n kia ng\u1eaft v\u00e0 ng\u01b0\u1ee3c l\u1ea1i, t\u1ea1o ra \u0111i\u1ec7n \u00e1p xung \u1edf \u0111i\u1ec3m gi\u1eefa.<\/li>\n<li>Sau \u0111\u00f3 \u0111i\u1ec7n \u00e1p xung s\u1ebd \u0111\u01b0\u1ee3c m\u1ea1ch l\u1ecdc L &#8211; C l\u1ecdc th\u00e0nh \u0111i\u1ec7n \u00e1p m\u1ed9t chi\u1ec1u b\u1eb1ng ph\u1eb3ng \u0111\u1ec3 c\u1ea5p cho CPU<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a m\u1ea1ch VRM:<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li>M\u1ea1ch bi\u1ebfn \u0111\u1ed5i \u0111\u01b0\u1ee3c \u0111i\u1ec7n \u00e1p v\u00e0o t\u1eeb 12V xu\u1ed1ng kho\u1ea3ng 1,5V v\u00e0 t\u0103ng d\u00f2ng t\u1eeb 2A l\u00ean kho\u1ea3ng 8 \u0111\u1ebfn 10A<\/li>\n<li>B\u1ea3n th\u00e2n m\u1ea1ch c\u00f3 c\u00f4ng su\u1ea5t t\u1ed5n hao nh\u1ecf ch\u1ec9 chi\u1ebfm kho\u1ea3ng 20% c\u00f4ng su\u1ea5t hi\u1ec7u d\u1ee5ng.<\/li>\n<li>M\u1ea1ch c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p c\u1ea5p cho CPU th\u00f4ng qua t\u00edn hi\u1ec7u Logic \u1edf c\u00e1c ch\u00e2n VID0, VID1, VID2,<br \/>\nVID3, VID4 t\u1eeb CPU b\u00e1o v\u1ec1.<\/li>\n<li>Tr\u00ean c\u00e1c Mainboard Pentium 4 khi kh\u00f4ng g\u1eafn CPU th\u00ec c\u00e1c ch\u00e2n VID c\u00f3 gi\u00e1 tr\u1ecb logic 1 v\u00e0 m\u1ea1ch VRM \u0111\u01b0a ra \u0111i\u1ec7n \u00e1p<br \/>\nm\u1eb7c \u0111\u1ecbnh b\u1eb1ng 0V<\/li>\n<li>\u0110i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o c\u1ee7a m\u1ea1ch VRM tr\u00ean c\u00e1c Mainboard Pen 4 l\u00e0 12V, tr\u00ean c\u00e1c Mainboard Pe<\/li>\n<li>\u0110i\u1ec7n \u00e1p ra c\u1ee7a m\u1ea1ch VRM tr\u00ean c\u00e1c Mainboard Pen 3 khi kh\u00f4ng g\u1eafn CPU l\u00e0 kho\u1ea3ng 1,6V<\/li>\n<\/ul>\n<figure id=\"attachment_11150\" aria-describedby=\"caption-attachment-11150\" style=\"width: 699px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-11150 size-full\" title=\"S\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd m\u1ea1ch VRM (\u1ed5n \u00e1p ngu\u1ed3n cho CPU)\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/So-do-nguyen-ly-mach-VRM-on-ap-nguon-cho-CPU.jpg\" alt=\"S\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd m\u1ea1ch VRM (\u1ed5n \u00e1p ngu\u1ed3n cho CPU)\" width=\"699\" height=\"615\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/So-do-nguyen-ly-mach-VRM-on-ap-nguon-cho-CPU.jpg 699w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/So-do-nguyen-ly-mach-VRM-on-ap-nguon-cho-CPU-510x449.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/So-do-nguyen-ly-mach-VRM-on-ap-nguon-cho-CPU-300x264.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/So-do-nguyen-ly-mach-VRM-on-ap-nguon-cho-CPU-600x528.jpg 600w\" sizes=\"(max-width: 699px) 100vw, 699px\" \/><figcaption id=\"caption-attachment-11150\" class=\"wp-caption-text\">S\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd m\u1ea1ch VRM (\u1ed5n \u00e1p ngu\u1ed3n cho CPU)<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><em>Ch\u00fa th\u00edch c\u00e1c ch\u00e2n c\u1ee7a IC dao \u0111\u1ed9ng:<\/em><\/p>\n<ul>\n<li style=\"text-align: justify;\"><em>VCC: Ngu\u1ed3n cung c\u1ea5p cho IC<\/em><\/li>\n<li style=\"text-align: justify;\"><em>PWM1, PWM2, PWM3: C\u00e1c ch\u00e2n xung \u0111i\u1ec1u ch\u1ebf \u0111\u1ed9 r\u1ed9ng \u0111\u01b0a \u0111\u1ebfn \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u00e1c c\u1eb7p \u0111\u00e8n Mosfet.<\/em><\/li>\n<li style=\"text-align: justify;\"><em>ISEN1, ISEN2, ISEN3: C\u00e1c ch\u00e2n c\u1ea3m bi\u1ebfn v\u1ec1 d\u00f2ng \u0111i\u1ec7n.<\/em><\/li>\n<li style=\"text-align: justify;\"><em>EN: Ch\u00e2n cho ph\u00e9p IC ho\u1ea1t \u0111\u1ed9ng.<\/em><\/li>\n<li style=\"text-align: justify;\"><em>ENLL (ch\u00e2n PGOOD): Ch\u00e2n b\u00e1o tr\u1ea1ng th\u00e1i ngu\u1ed3n ATX ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/em><\/li>\n<li style=\"text-align: justify;\"><em>C\u00e1c ch\u00e2n VID0, VID1, VID2, VID3, VID4: B\u00e1o tr\u1ea1ng th\u00e1i Logic cho bi\u1ebft gi\u00e1 tr\u1ecb \u0111i\u1ec7n \u00e1p m\u00e0 CPU s\u1eed d\u1ee5ng.<\/em><\/li>\n<li style=\"text-align: justify;\"><em>PGOOD , OVP: B\u00e1o t\u00ecnh tr\u1ea1ng c\u1ee7a m\u1ea1ch VRM v\u1ec1 chipset nam.<\/em><\/li>\n<li style=\"text-align: justify;\"><em>VSEN: Ch\u00e2n c\u1ea3m bi\u1ebfn \u0111i\u1ec7n \u00e1p (Ch\u00e2n h\u1ed3i ti\u1ebfp<\/em>).<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>5. Ph\u00e2n t\u00edch v\u1eadn h\u00e0nh m\u1ea1ch:\u00a0<\/strong><\/span><\/p>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">\u0110\u1ed1i v\u1edbi \u0111a s\u1ed1 <a href=\"https:\/\/hocvienit.vn\/mainboard-la-gi-cau-tao-cua-mainboard-laptop\/\" target=\"_blank\" rel=\"noopener\">mainboard<\/a>, ta ch\u1ec9 c\u1ea7n c\u1ea5p ngu\u1ed3n cho mainboard (ch\u01b0a c\u1eafm th\u00eam b\u1ea5t c\u1ee9 g\u00ec k\u1ec3 c\u1ea3 CPU v\u00e0 RAM) l\u00e0 c\u00f3 th\u1ec3 k\u00edch ngu\u1ed3n \u0111\u01b0\u1ee3c r\u1ed3i. V\u1edbi v\u00e0i tr\u01b0\u1eddng h\u1ee3p ri\u00eang (nh\u1ea5t l\u00e0 mainboard c\u1ee7a h\u00e3ng Intel), ph\u1ea3i g\u1eafng CPU th\u00ec m\u1edbi k\u00edch ngu\u1ed3n \u0111\u01b0\u1ee3c.\u00a0<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">Khi k\u00edch ngu\u1ed3n \u0111\u00e3 ch\u1ea1y, vi\u1ec7c \u0111\u1ea7u ti\u00ean l\u00e0 ki\u1ec3m tra xem ngu\u1ed3n c\u1ea5p cho RAM \u0111\u00e3 c\u00f3 v\u00e0 \u0111\u1ee7 hay ch\u01b0a (s\u1ebd c\u00f3 b\u00e0i vi\u1ebft c\u1ee5 th\u1ec3 li\u00ean quan \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 n\u00e0y). K\u1ebf \u0111\u00f3 ki\u1ec3m tra xem ngu\u1ed3n c\u1ea5p cho CPU \u0111\u00e3 c\u00f3 hay ch\u01b0a. <\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><em><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">L\u01b0u \u00fd: Khi ta ch\u01b0a c\u1eafm CPU m\u1ee9c ngu\u1ed3n c\u1ea5p cho CPU s\u1ebd lu\u00f4n lu\u00f4n b\u1eb1ng kh\u00f4ng. N\u1ebfu c\u00f3 \u00e1p c\u00f3 ngh\u0129a l\u00e0 m\u1ea1ch \u0111\u00e3 b\u1ecb l\u1ed7i. Khi c\u1eafm CPU v\u00e0o n\u1ebfu CPU \u0111\u00f3 y\u00eau c\u1ea7u \u00e1p 1.25V (C\u00e1i n\u00e0y th\u00ec t\u00f9y m\u1ed7i lo\u1ea1i CPU, tham kh\u1ea3o trang ch\u1ee7 INTEL ho\u1eb7c t\u00e0i li\u1ec7u k\u00e8m theo CPU \u0111\u1ec3 bi\u1ebft ch\u00ednh x\u00e1c m\u1ee9c ngu\u1ed3n y\u00eau c\u1ea7u c\u1ee7a m\u1ed7i lo\u1ea1i CPU) th\u00ec m\u1ea1ch ph\u1ea3i \u0111\u00e1p \u1ee9ng \u0111\u00fang. T\u1ee9c ph\u1ea3i c\u00f3 1.25V t\u1ea1i ng\u00f5 ra Vcore.\u00a0<\/span><\/em><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>6. V\u1eadn h\u00e0nh m\u1ea1ch:\u00a0<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">&#8211; Khi c\u00f3 t\u00ednh hi\u1ec7u Power Good (pin 19 IC RT9241), pin 16, 17 s\u1ebd c\u00f3 t\u00ednh hi\u1ec7u \u0111i\u1ec1u xung PWM1, PWM2 k\u00edch qua IC driver (pin 1,2 IC RT9602) xung l\u00e1i \u1edf Pin 4, 12, 7, 9 \u0111i\u1ec1u khi\u1ec3n s\u1ef1 \u0111\u00f3ng ng\u1eaft c\u1ee7a c\u00e1c MOSFET \u0111\u1ec3 t\u1ea1o ra ngu\u1ed3n ch\u00ednh VCORE. <\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">&#8211; Ngu\u1ed3n ch\u00ednh VCORE n\u00e0y s\u1ebd c\u1ea5p cho CPU. K\u1ebf \u0111\u00f3, CPU s\u1ebd h\u1ed3i \u0111\u00e1p v\u1ec1 c\u00e1c pin 1, 2, 3, 4, 5 (IC RT9241) \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ee9c ngu\u1ed3n y\u00eau c\u1ea7u. T\u01b0\u01a1ng \u1ee9ng nh\u01b0 b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y. N\u1ebfu kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u n\u00e0y l\u1eadp t\u1ee9c ng\u1eebng c\u1ea5p xung PWM t\u1ee9c s\u1ebd kh\u00f4ng c\u00f3 \u00e1p VCORE \u1edf ng\u00f5 ra.<\/span><\/p>\n<table dir=\"ltr\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\" data-sheets-root=\"1\" data-sheets-baot=\"1\">\n<colgroup>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/>\n<col width=\"100\" \/><\/colgroup>\n<tbody>\n<tr>\n<td style=\"text-align: center;\" colspan=\"5\" rowspan=\"1\"><strong>T\u00ean pin<\/strong><\/td>\n<td style=\"text-align: center;\" colspan=\"1\" rowspan=\"2\">\n<div><strong>\u0110I\u1ec6N \u00c1P \u0110\u1ea6U RA DANH \u0110\u1ecaNH DACOURT<\/strong><\/div>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><strong>VID4<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>VID3<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>VID2<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>VID1<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>VID0<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">Off<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1.100V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1.125V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1.150V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1.175V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1.200V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1.225V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1.250V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1.275V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1.300V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1.325V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1.350V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1.375V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1.400V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1.425V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1.450V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1.475V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1.500V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1.525V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1.550V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1.575V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1.600V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1.625V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1.650V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1.675V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1.700V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1.725V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1.750V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">1.775V<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">1.800V<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>7.<\/strong><\/span><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>\u00a0C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p:<\/strong><\/span><\/p>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">Ch\u1ea1m c\u00e1c mosfet d\u1eabn \u0111\u1ebfn m\u1ea5t ngu\u1ed3n CPU. N\u1eb7ng s\u1ebd g\u00e2y h\u01b0 c\u1ea3 b\u1ed9 c\u1ea5p ngu\u1ed3n. D\u1ec5 th\u1ea5y c\u00e1c mosfet n\u00e0y s\u1ebd n\u00f3ng r\u1ea5t mau sau khi m\u1edf m\u00e1y ch\u1eebng v\u00e0i ph\u00fat. Ho\u1eb7c c\u00f3 th\u1ec3 \u0111o ngu\u1ed9i b\u1eb1ng c\u00e1ch th\u00e1o 2 ch\u00e2n G v\u00e0 S ra kh\u1ecfi mainboard.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">Ch\u1ebft c\u00e1c IC giao \u0111\u1ed9ng, \u0111i\u1ec1u xung, driver. L\u1ed7i n\u00e0y r\u1ea5t th\u01b0\u1eddng x\u1ea3y ra v\u00e0 ch\u1ec9 c\u00f3 c\u00e1ch thay m\u00e0 th\u00f4i.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">C\u00e1c t\u1ee5 l\u1ecdc ngu\u1ed3n b\u1ecb ph\u00f9 ho\u1eb7c kh\u00f4 g\u00e2y ra t\u00ecnh tr\u1ea1ng k\u00e9n CPU. C\u1ea9n th\u1eadn khi thay th\u1ebf c\u00e1c t\u1ee5. N\u00ean thay c\u00e1c t\u1ee5 c\u00f3 tr\u1ecb s\u1ed1 t\u1eeb b\u1eb1ng \u0111\u1ebfn l\u1edbn h\u01a1n v\u00e0 ph\u1ea3i gi\u1ed1ng nhau cho c\u00e1c t\u1ee5 l\u1ecdc ng\u00f5 ra CPU.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">Th\u00e1o h\u1ebft c\u00e1c linh ki\u1ec7n ch\u00ednh trong m\u1ea1ch v\u1eabn c\u00f2n hi\u1ec7n t\u01b0\u1ee3ng ch\u1eadp ngu\u1ed3n. Do ch\u1eadp chipset B\u1eafc. Do m\u1ed9t s\u1ed1 mainboard, chip B\u1eafc d\u00f9ng chung ngu\u1ed3n v\u1edbi Vcore c\u1ea5p cho CPU.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>8. Th\u1ee9 t\u1ef1 ki\u1ec3m tra:<\/strong><\/span><\/p>\n<ol>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">N\u1ed9i tr\u1edf ngu\u1ed3n Vcore. (Th\u01b0\u1eddng ch\u1ea1m mosfet ho\u1eb7c IC giao \u0111\u1ed9ng)<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">Th\u00e1o t\u1eebng mosfet ra \u0111o \u0111\u1ec3 ph\u00e1t hi\u1ec7n ch\u1ea1m ch\u1eadp ho\u1eb7c r\u1ec9.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">Li\u00ean l\u1ea1c t\u1eeb \u00a0ch\u00e2n G mosfet v\u1ec1 IC giao \u0111\u1ed9ng. (Hay b\u1ecb h\u1edf m\u1ea1ch d\u1eabn \u0111\u1ebfn m\u1ea5t li\u00ean l\u1ea1c)<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">Ngu\u1ed3n Vcc cho IC giao \u0111\u1ed9ng. (Th\u01b0\u1eddng m\u1ea5t ngu\u1ed3n n\u00e0y do \u0111\u1ee9t tr\u1edf c\u1ea7u ch\u00ec ho\u1eb7c ch\u1ea1m ch\u1ebft IC)<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">L\u1ec7nh m\u1edf EN\/VTT c\u1ea5p cho IC giao \u0111\u1ed9ng.<\/span><\/li>\n<\/ol>\n<p><strong>L\u01b0u \u00fd c\u1ee7a H\u1ecdc vi\u1ec7n iT:<\/strong><\/p>\n<p>B\u00e0i n\u00e0y \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ea1n m\u1edbi v\u00e0o ngh\u1ec1 th\u00ec c\u1ef1c k\u1ef3 kh\u00f3 kh\u0103n do kh\u00f4ng n\u1eafm r\u00f5 \u201cnguy\u00ean l\u00fd h\u1ecdat \u0111\u1ed9ng\u201d c\u1ee7a m\u1ea1ch. Nh\u01b0ng \u0111\u1ed1i v\u1edbi d\u00e2n th\u1ee3 \u201c\u0111i\u1ec7n t\u1eed\u201d th\u00ec n\u00f3 kh\u00e1 \u0111\u01a1n gi\u1ea3n v\u00ec ch\u1ec9 l\u00e0 m\u1ea1ch \u201c\u1ed5n \u00e1p \u0111i\u1ec1u xung\u201d b\u00ecnh th\u01b0\u1eddng. D\u1ea1ng \u1ed5n \u00e1p \u0111i\u1ec1u xung n\u00e0y n\u1ebfu c\u00e1c b\u1ea1n h\u1ecdc qua Tivi hay monitor th\u00ec n\u00f3 ph\u1ee9c t\u1ea1p h\u01a1n nhi\u1ec1u. Trong Tivi hay Monitor CRT m\u1ea1ch \u201c\u1ed5n \u00e1p \u0111i\u1ec1u xung\u201d ngu\u1ed3n ch\u00ednh ph\u1ea3i l\u1ea5y t\u00ednh hi\u1ec7u \u201cphi h\u1ed3i\u201d t\u1eeb \u201cbi\u1ebfn th\u1ebf Cao \u00e1p\u201d v\u1ec1\u2026 Nh\u01b0ng trong m\u1ea1ch n\u00e0y ch\u1ec9 \u0111\u01a1n gi\u1ea3n c\u00f3 xung, c\u00f3 ngu\u1ed3n c\u1ea5p l\u00e0 c\u00f3 \u0111i\u1ec7n \u00e1p ng\u1ecf ra. N\u1ebfu CPU t\u1ed1t s\u1ebd c\u00f3 \u201ch\u1ed3i ti\u1ebfp\u201d VID0, VID1, VID2, VID3, VID4 v\u1ec1 m\u1ea1ch ti\u1ebfp t\u1ee5c h\u1ecdat \u0111\u1ed9ng, n\u1ebfu CPU kh\u00f4ng t\u1ed1t (kh\u00f4ng ti\u1ebfp x\u00fac t\u1ed1t ho\u1eb7c CPU ch\u1ebft) th\u00ec ng\u01b0ng c\u1ea5p xung --> ng\u1eaft ng\u00f5 ra.<\/p>\n<p><strong>N\u1ebfu m\u1ea5t ngu\u1ed3n c\u1ea5p cho CPU:<\/strong> ki\u1ec3m tra ng\u01b0\u1ee3c t\u1eeb CPU (ch\u1eafc r\u1eb1ng CPU t\u1ed1t) ti\u1ebfp x\u00fac CPU v\u1edbi socket t\u1ed1t, c\u00e1c MOSFET t\u1ed1t (kh\u00f4ng ch\u1ea1m, \u0111\u1ee9t, r\u00f2 r\u0129\u2026) IC driver t\u1ed1t (\u0111o b\u1eb1ng m\u00e1y hi\u1ec7n s\u00f3ng ho\u1eb7c thay th\u1eed) IC \u0111i\u1ec1u xung t\u1ed1t (\u0111o b\u1eb1ng m\u00e1y hi\u1ec7n s\u00f3ng ho\u1eb7c thay th\u1eed).<\/p>\n<p>M\u1ea1ch n\u00e0y n\u1ebfu d\u00e2n \u201c\u0111i\u1ec7n t\u1eed\u201d c\u00f3 kinh nghi\u1ec7m d\u1ec3 d\u00e0ng kh\u00e1m ph\u00e1 ra b\u1eb1ng c\u00e1ch v\u00e0o <a href=\"https:\/\/www.alldatasheet.com\" target=\"_blank\" rel=\"noopener\">https:\/\/www.alldatasheet.com<\/a> \u0111\u1ec3 tra th\u00f4ng tinh v\u1ec1 c\u00e1c IC \u0111i\u1ec1u xung l\u00e0 s\u1ebd c\u00f3 m\u1ed9t b\u00e0i ph\u00e2n t\u00edch nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng r\u1ea5t chi ti\u1ebft. D\u0129 nhi\u00ean l\u00e0 b\u1eb1ng ti\u1ebfng anh r\u1ed3i. C\u00e1c b\u1ea1n t\u1ef1 kh\u00e1m ph\u00e1 th\u00eam t\u1eeb g\u1ee3i \u00fd n\u00e0y nh\u00e9. D\u00e2n ph\u1ea7n c\u1ee9ng m\u00e0 kh\u00f4ng bi\u1ebft d\u00f9ng datasheet th\u00ec ch\u1ec9 l\u00e0 d\u00e2n \u201cth\u00e1o l\u1eafp\u201d th\u00f4i.<\/p>\n<p>Do m\u1ea1ch n\u00e0y ho\u1ea1t \u0111\u1ed9ng v\u1edbi d\u00f2ng r\u1ea5t cao n\u00ean x\u00e1c xu\u1ea5t h\u01b0 h\u1ecfng \u1edf khu v\u1ef1c n\u00e0y l\u00e0 r\u1ea5t l\u1edbn. N\u1eafm r\u00f5 nguy\u00ean l\u00fd v\u00e0 s\u1eeda \u0111\u01b0\u1ee3c m\u1ea1ch n\u00e0y l\u00e0 th\u00e0nh c\u00f4ng 60-70%<\/p>\n<p><i>M\u1ecdi chi ti\u1ebft xin vui l\u00f2ng li\u00ean h\u1ec7:<\/i><\/p>\n<p><strong>C\u00d4NG TY C\u1ed4 PH\u1ea6N H\u1eccC VI\u1ec6N IT<\/strong><\/p>\n<p><strong>MST: 0108733789<\/strong><\/p>\n<p><strong>Hotline: 0981 223 001<\/strong><\/p>\n<p><strong>Facebook:<\/strong>\u00a0<a href=\"http:\/\/www.fb.com\/hocvienit\" target=\"_blank\" rel=\"noopener\">www.fb.com\/hocvienit<\/a><\/p>\n<p><strong>\u0110\u0103ng k\u00fd k\u00eanh Youtube \u0111\u1ec3 theo d\u00f5i c\u00e1c b\u00e0i h\u1ecdc c\u1ee7a Hu\u1ea5n luy\u1ec7n vi\u00ean t\u1ed1t nh\u1ea5t:<\/strong>\u00a0<a href=\"http:\/\/bit.ly\/Youtube_HOCVIENiT\" target=\"_blank\" rel=\"noopener\">http:\/\/bit.ly\/Youtube_HOCVIENiT<\/a><\/p>\n<p><strong>Tham gia c\u1ed9ng \u0111\u1ed3ng H\u1ecdc vi\u1ec7n IT.vn t\u1ea1i:<\/strong>\u00a0<a href=\"https:\/\/www.facebook.com\/groups\/www.hocvienit.vn\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.facebook.com\/groups\/www.hocvienit.vn\/<\/a><br \/>\n<i><\/i><\/p>\n<p><strong><i>H\u1ecdc vi\u1ec7n IT.vn \u2013 Truy\u1ec1n ngh\u1ec1 th\u1ef1c t\u1ebf c\u00f9ng b\u1ea1n \u0111\u1ebfn th\u00e0nh c\u00f4ng!\u00a0<\/i><\/strong><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ea1n \u0111\u00e3 bi\u1ebft Mainboard: M\u1ea1ch c\u1ea5p ngu\u1ed3n CPU l\u00e0 g\u00ec ch\u01b0a? H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 bi\u1ebft th\u00eam chi ti\u1ebft v\u1ec1 linh ki\u1ec7n v\u00f4 c\u00f9ng quan tr\u1ecdng n\u00e0y nh\u00e9!<\/p>\n","protected":false},"author":95,"featured_media":11147,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96],"tags":[366,283,190],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/1533"}],"collection":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/users\/95"}],"replies":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1533"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/1533\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/11147"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1533"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1533"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1533"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}