{"id":27352,"date":"2023-03-31T11:59:44","date_gmt":"2023-03-31T04:59:44","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=27352"},"modified":"2024-07-03T10:51:58","modified_gmt":"2024-07-03T03:51:58","slug":"pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=27352","title":{"rendered":"Pan b\u1ec7nh: M\u00e1y MBX 250 (S0203-2) c\u00f3 3V5V kh\u00f4ng k\u00edch \u0111\u01b0\u1ee3c ngu\u1ed3n"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Nh\u1eb1m h\u1ed7 tr\u1ee3 c\u00e1c b\u1ea1n k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 th\u1ec3 nhanh ch\u00f3ng s\u1eeda ch\u1eefa ch\u00ednh x\u00e1c nh\u1eefng pan b\u1ec7nh ph\u1ed5 bi\u1ebfn tr\u00ean m\u00e1y t\u00ednh. HLV. Tr\u01b0\u01a1ng V\u0103n Sinh chia s\u1ebb t\u1edbi c\u00e1c b\u1ea1n c\u00e1ch s\u1eeda <strong>m\u00e1y MBX 250 (S0203-2) c\u00f3 3V5V kh\u00f4ng k\u00edch \u0111\u01b0\u1ee3c ngu\u1ed3n<\/strong>.<\/span><\/p>\n<figure id=\"attachment_27353\" aria-describedby=\"caption-attachment-27353\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-27353 size-full\" title=\"Pan b\u1ec7nh: M\u00e1y MBX 250 (S0203-2) c\u00f3 3V5V kh\u00f4ng k\u00edch \u0111\u01b0\u1ee3c ngu\u1ed3n\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2023\/03\/pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon.jpg\" alt=\"Pan b\u1ec7nh: M\u00e1y MBX 250 (S0203-2) c\u00f3 3V5V kh\u00f4ng k\u00edch \u0111\u01b0\u1ee3c ngu\u1ed3n\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2023\/03\/pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2023\/03\/pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon-300x160.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2023\/03\/pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon-510x272.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-27353\" class=\"wp-caption-text\"><span style=\"font-size: 16px;\">Pan b\u1ec7nh: M\u00e1y MBX 250 (S0203-2) c\u00f3 3V5V kh\u00f4ng k\u00edch \u0111\u01b0\u1ee3c ngu\u1ed3n<\/span><\/figcaption><\/figure>\n<blockquote><p><span style=\"font-size: 16px;\">Xem th\u00eam:\u00a0<a href=\"https:\/\/hocvienit.vn\/pan-benh-may-asus-k53sd-rev-2-1-co-nguon-khong-len-hinh\/\" target=\"_blank\" rel=\"noopener\">Pan b\u1ec7nh: M\u00e1y Asus K53SD rev 2.1 c\u00f3 ngu\u1ed3n kh\u00f4ng l\u00ean h\u00ecnh<\/a><\/span><\/p><\/blockquote>\n<h2 style=\"text-align: justify;\"><span style=\"font-size: 24px;\"><strong>Thao t\u00e1c s\u1eeda ch\u1eefa<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">V\u00ec I\/O l\u00e0 chip qu\u1ea3n l\u00fd ngu\u1ed3n, li\u00ean quan \u0111\u1ebfn vi\u1ec7c k\u00edch ngu\u1ed3n n\u00ean \u0111\u1ea7u ti\u00ean ki\u1ec3m tra \u0111i\u1ec1u ki\u1ec7n c\u1ee7a I\/O con n\u00e0y ch\u1ea1y I\/O NPCE795PA0DX (U2701):<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 16px;\">Ngu\u1ed3n nu\u00f4i c\u00e1c ch\u00e2n 19, 46, 76, 88, 115, 104, 102 c\u00f3 3.3V (T\u1ed1t).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 16px;\">Ch\u00e2n 73 (AC_OK) ch\u00e2n b\u00e1o s\u1ea1c t\u1ed1t c\u00f3 3V (T\u1ed1t).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 16px;\">Ch\u00e2n 17 (LID_CLOSE#) ch\u00e2n c\u1ea3m bi\u1ebfn g\u1eadp m\u00e0n c\u00f3 3.3V (T\u1ed1t).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 16px;\">Ch\u00e2n 85 (ECRST#) ch\u00e2n reset cho i\/o ho\u1ea1t \u0111\u1ed9ng c\u00f3 1.1V (L\u1ed7i) b\u00ecnh th\u01b0\u1eddng 3.3V.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">B\u1eaft \u0111\u1ea7u c\u00f3 manh m\u1ed1i do ECRST# s\u1ee5t \u00e1p.<\/span><\/p>\n<figure id=\"attachment_27354\" aria-describedby=\"caption-attachment-27354\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-27354 size-full\" title=\"ECRST# tr\u00ean m\u1ea1ch\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2023\/03\/pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon-1.jpg\" alt=\"ECRST# tr\u00ean m\u1ea1ch\" width=\"750\" height=\"405\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2023\/03\/pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon-1.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2023\/03\/pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon-1-300x162.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2023\/03\/pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon-1-510x275.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-27354\" class=\"wp-caption-text\"><span style=\"font-size: 16px;\">ECRST# tr\u00ean m\u1ea1ch<\/span><\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Qua ph\u00e2n t\u00edch m\u1ea1ch th\u1ea5y nguy\u00ean nh\u00e2n do l\u1ec7nh PURE_HW_SHUTDOWN# (Pure Hardware shutdown #) b\u1eb1ng 0V do b\u1ecb n\u1ed1i v\u1edbi GND! (#H1).<\/span><\/p>\n<figure id=\"attachment_27355\" aria-describedby=\"caption-attachment-27355\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-27355 size-full\" title=\"L\u1ec7nh PURE_HW_SHUTDOWN# tr\u00ean m\u1ea1ch\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2023\/03\/pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon-2.jpg\" alt=\"L\u1ec7nh PURE_HW_SHUTDOWN# tr\u00ean m\u1ea1ch\" width=\"750\" height=\"609\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2023\/03\/pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon-2.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2023\/03\/pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon-2-300x244.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2023\/03\/pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon-2-510x414.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-27355\" class=\"wp-caption-text\"><span style=\"font-size: 16px;\">L\u1ec7nh PURE_HW_SHUTDOWN# tr\u00ean m\u1ea1ch<\/span><\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">X\u00e9t v\u1ec1 l\u1ec7nh \u0111i\u1ec1u khi\u1ec3n c\u00f3 hai kh\u1ea3 n\u0103ng l\u00e0m l\u1ec7nh PURE_HW_SHUTDOWN# n\u1ed1i GND (#H2):<\/span><\/p>\n<figure id=\"attachment_27357\" aria-describedby=\"caption-attachment-27357\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-27357 size-full\" title=\"L\u1ec7nh PURE_HW_SHUTDOWN# n\u1ed1i GND (#H2)\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2023\/03\/pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon-4.jpg\" alt=\"L\u1ec7nh PURE_HW_SHUTDOWN# n\u1ed1i GND (#H2)\" width=\"750\" height=\"405\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2023\/03\/pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon-4.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2023\/03\/pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon-4-300x162.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2023\/03\/pan-benh-may-mbx-250-s0203-2-co-3v5v-khong-kich-duoc-nguon-4-510x275.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-27357\" class=\"wp-caption-text\"><span style=\"font-size: 16px;\">L\u1ec7nh PURE_HW_SHUTDOWN# n\u1ed1i GND (#H2)<\/span><\/figcaption><\/figure>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 16px;\">G680_RST# = 0V l\u00e0m ch\u00e2n G (Q2611) b\u1eb1ng 3.3V d\u1eabn \u0111\u1ebfn vi\u1ec7c Q2611 d\u1eabn b\u00e1o ho\u00e0, \u0111o l\u1ec7nh n\u00e0y c\u00f3 5V. Suy ra l\u1ec7nh n\u00e0y t\u1ed1t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 16px;\">HW_SHUTDOWN# b\u1ecb n\u1ed1i GND th\u1ea5y l\u1ec7nh n\u00e0y n\u1ed1i v\u1edbi c\u00e1c ic c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 U2803, U2805, U2806 (Khi n\u00f3ng qu\u00e1 s\u1ebd kh\u00f4ng cho k\u00edch ngu\u1ed3n).<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">\u0110\u1ec3 lo\u1ea1i tr\u1eeb nh\u1ea5c t\u1eebng con l\u00ean th\u1eed th\u00ec th\u1ea5y khi nh\u1ea5c U2803 (#H3) d\u01b0\u1edbi g\u1ea7m CPU l\u00ean, l\u1ec7nh HW_SHUTDOWN# c\u00f3 3.3V, l\u1ec7nh ECRST# c\u00f3 3.3V v\u00e0 m\u00e1y ch\u1ea1y b\u00ecnh th\u01b0\u1eddng.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-size: 24px;\"><strong>L\u1eddi khuy\u00ean t\u1eeb chuy\u00ean gia<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">\u0110\u1ec3 t\u00ecm ch\u00ednh x\u00e1c l\u1ed7i, c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra \u0111i\u1ec7n tr\u1edf nhi\u1ec7t R2801, \u00e1p ch\u00e2n 4 v\u00e0 5 c\u1ee7a ic U2803. V\u00ec ngu\u1ed3n Cpu \u0111\u00e3 c\u00f3 m\u1ed9t kh\u1ed1i c\u1ea3m bi\u1ebfn nhi\u1ec7t n\u1eefa n\u00ean m\u1ea1ch l\u1ed7i c\u00f3 c\u00f3 th\u1ec3 b\u1ecf \u0111\u01b0\u1ee3c, v\u1eady n\u00ean ta b\u1ecf IC U2803 cho nhanh.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Tr\u00ean \u0111\u00e2y l\u00e0 chia s\u1ebb c\u1ee7a H\u1ecdc vi\u1ec7n iT.vn v\u1ec1 \u0111i\u1ec7n tr\u1edf carbon. Hy v\u1ecdng nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y c\u00f3 th\u1ec3 gi\u00fap \u00edch cho b\u1ea1n trong qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp v\u00e0 l\u00e0m vi\u1ec7c. N\u1ebfu c\u00f3 b\u1ea5t c\u1ee9 th\u1eafc m\u1eafc n\u00e0o th\u00ec h\u00e3y \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn ngay d\u01b0\u1edbi b\u00e0i vi\u1ebft n\u00e0y ho\u1eb7c inbox tr\u1ef1c ti\u1ebfp cho HOCVIENiT.vn \u0111\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p t\u1ed1t nh\u1ea5t. Ch\u00fac b\u1ea1n th\u00e0nh c\u00f4ng!<\/span><\/p>\n<blockquote><p><span style=\"font-size: 16px;\">C\u00f3 th\u1ec3 b\u1ea1n quan t\u00e2m:\u00a0<a href=\"https:\/\/hocvienit.vn\/pan-benh-may-hp-probook-450-g3-cam-vao-nhay-den-chan-sac\/\" target=\"_blank\" rel=\"noopener\">Pan b\u1ec7nh: M\u00e1y HP Probook 450 G3 c\u1eafm v\u00e0o nh\u00e1y \u0111\u00e8n ch\u00e2n s\u1ea1c<\/a><\/span><\/p><\/blockquote>\n<p style=\"text-align: left;\"><i>M\u1ecdi chi ti\u1ebft xin vui l\u00f2ng li\u00ean h\u1ec7:<br \/>\n<\/i><strong>C\u00d4NG TY C\u1ed4 PH\u1ea6N H\u1eccC VI\u1ec6N IT<br \/>\n<\/strong><strong>MST: 0108733789<br \/>\n<\/strong><strong>Hotline: 0981 223 001<br \/>\n<\/strong><strong>Facebook:<\/strong>\u00a0<a href=\"http:\/\/www.fb.com\/hocvienit\" target=\"_blank\" rel=\"noopener\">www.fb.com\/hocvienit<\/a><br \/>\n<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 nofollow\">http:\/\/bit.ly\/Youtube_HOCVIENiT<\/a><br \/>\n<b>H\u1ec7 th\u1ed1ng c\u01a1 s\u1edf \u0111\u00e0o t\u1ea1o:\u00a0<\/b><a href=\"https:\/\/hocvienit.vn\/lien-he\/\" target=\"_blank\" rel=\"noopener\">https:\/\/hocvienit.vn\/lien-he\/<\/a><br \/>\n<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","protected":false},"excerpt":{"rendered":"<p>Nh\u1eb1m h\u1ed7 tr\u1ee3 c\u00e1c b\u1ea1n k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 th\u1ec3 nhanh ch\u00f3ng s\u1eeda ch\u1eefa ch\u00ednh x\u00e1c nh\u1eefng pan b\u1ec7nh ph\u1ed5 bi\u1ebfn tr\u00ean m\u00e1y t\u00ednh. HLV. Tr\u01b0\u01a1ng V\u0103n Sinh chia s\u1ebb t\u1edbi c\u00e1c b\u1ea1n c\u00e1ch s\u1eeda m\u00e1y MBX 250 (S0203-2) c\u00f3 3V5V kh\u00f4ng k\u00edch \u0111\u01b0\u1ee3c ngu\u1ed3n.<\/p>\n","protected":false},"author":95,"featured_media":27353,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[185,94,192],"tags":[770,242],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/27352"}],"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=27352"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/27352\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/27353"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=27352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=27352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=27352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}