{"id":6118,"date":"2018-11-24T07:21:19","date_gmt":"2018-11-24T07:21:19","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=6118"},"modified":"2024-07-03T16:27:29","modified_gmt":"2024-07-03T09:27:29","slug":"loi-on-off-cua-main-man-hinh-lcd","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=6118","title":{"rendered":"C\u00e1c l\u1ed7i li\u00ean quan \u0111\u1ebfn on\/off c\u1ee7a main m\u00e0n h\u00ecnh LCD cao \u00e1p LED"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ng\u00e0y h\u00f4m nay HocvieniT.vn s\u1ebd chia s\u1ebb cho c\u00e1c b\u1ea1n v\u1ec1 l\u1ed7i m\u1ea5t l\u1ec7nh on\/off v\u00e0 c\u00e1c b\u1ec7nh li\u00ean quan \u0111\u1ebfn n\u00f3 c\u1ee7a <a href=\"https:\/\/hocvienit.vn\/tim-hieu-ve-main-may-tinh-la-gi\/\" target=\"_blank\" rel=\"noopener\">main<\/a> m\u00e0n h\u00ecnh LCD cao \u00e1p led.<\/span><\/p>\n<figure id=\"attachment_12569\" aria-describedby=\"caption-attachment-12569\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12569 size-full\" title=\"C\u00e1c l\u1ed7i li\u00ean qua \u0111\u1ebfn On\/Off c\u1ee7a Main m\u00e0n h\u00ecnh LCD cao \u00e1p LED\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/11\/cac-loi-lien-quan-den-on-off-cua-main-man-hinh-lcd-cao-ap-led-1.jpg\" alt=\"C\u00e1c l\u1ed7i li\u00ean qua \u0111\u1ebfn On\/Off c\u1ee7a Main m\u00e0n h\u00ecnh LCD cao \u00e1p LED\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/11\/cac-loi-lien-quan-den-on-off-cua-main-man-hinh-lcd-cao-ap-led-1.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/11\/cac-loi-lien-quan-den-on-off-cua-main-man-hinh-lcd-cao-ap-led-1-510x272.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/11\/cac-loi-lien-quan-den-on-off-cua-main-man-hinh-lcd-cao-ap-led-1-300x160.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/11\/cac-loi-lien-quan-den-on-off-cua-main-man-hinh-lcd-cao-ap-led-1-600x320.jpg 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-12569\" class=\"wp-caption-text\">C\u00e1c l\u1ed7i li\u00ean qua \u0111\u1ebfn On\/Off c\u1ee7a Main m\u00e0n h\u00ecnh LCD cao \u00e1p LED<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00e2y gi\u1edd ch\u00fang ta h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u m\u1ed9t s\u1ed1 l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u1edbi m\u00e1y t\u00ednh c\u00f3 nguy\u00ean nh\u00e2n \u0111\u1ebfn t\u1eeb l\u1ec7nh on\/off:<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Khi b\u1eaft \u0111\u1ea7u c\u1eafm d\u00e2y ngu\u1ed3n v\u00e0o m\u00e0 ch\u01b0a \u1ea5n n\u00fat b\u1eadt ngu\u1ed3n nh\u01b0ng \u0111\u00e8n m\u00e0n h\u00ecnh \u0111\u00e3 s\u00e1ng l\u00ean, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 kh\u1ed1i cao \u00e1p \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng v\u00e0 l\u1ec7nh on\/off \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t ngay khi v\u1eeba c\u1eafm d\u00e2y ngu\u1ed3n.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Khi b\u1ea1n c\u1eafm d\u00e2y ngu\u1ed3n, b\u1eadt n\u00fat ngu\u1ed3n l\u00ean v\u00e0 \u0111\u00e8n ngu\u1ed3n \u0111\u00e3 b\u1eadt s\u00e1ng. Nh\u01b0ng m\u00e0n h\u00ecnh m\u00e1y t\u00ednh v\u1eabn t\u1ed1i v\u00e0 ph\u1ea3i nh\u00ecn th\u1eadt k\u0129 m\u1edbi th\u1ea5y c\u00f3 h\u00ecnh. \u0110\u00e2y l\u00e0 bi\u1ec3u hi\u1ec7n c\u1ee7a m\u1ea5t cao \u00e1p, l\u1ed7i n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ebfn do nhi\u1ec1u nguy\u00ean nh\u00e2n nh\u01b0ng \u1edf b\u00e0n vi\u1ebft n\u00e0y <a href=\"https:\/\/hocvienit.vn\/ve-hoc-vien\/\" target=\"_blank\" rel=\"noopener\">HocvieniT.vn<\/a> s\u1ebd ch\u1ec9 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn t\u1eeb l\u1ec7nh on\/off th\u00f4i.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tr\u00ean \u0111\u00e2y l\u00e0 h\u00ecnh ch\u1ee5p bo th\u1ef1c t\u1ebf, IC ch\u00e2n d\u00e1n l\u00e0 IC \u0111i\u1ec1u khi\u1ec3n, v\u1ecb tr\u00ed \u0111\u01b0\u1ee3c khoanh tr\u00f2n trong h\u00ecnh l\u00e0 Mosfet Q1 c\u00f3 ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n \u0111\u00f3ng m\u1edf l\u1ec7nh on\/off.<\/span><\/p>\n<figure id=\"attachment_9734\" aria-describedby=\"caption-attachment-9734\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9734 size-full\" title=\"MainBoard\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/07\/mainboard.jpg\" alt=\"MainBoard\" width=\"600\" height=\"380\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/07\/mainboard.jpg 600w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/07\/mainboard-510x323.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/07\/mainboard-300x190.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-9734\" class=\"wp-caption-text\">MainBoard<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">D\u1ef1a tr\u00ean s\u01a1 \u0111\u1ed3 tr\u00ean, c\u00f3 th\u1ec3 th\u1ea5y \u0111i\u1ec7n \u00e1p 5V t\u1eeb kh\u1ed1i ngu\u1ed3n s\u1ebd qu\u00e1 tr\u1edf v\u1ec1 ch\u00e2n D c\u1ee7a mosfet Q1 v\u00e0 \u0111\u01b0a v\u00e0o t\u00edn hi\u1ec7u on\/off. Trong \u0111\u00f3, <strong>c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a kh\u1ed1i<\/strong> nh\u01b0 sau:<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>\u0110\u1ea7u ti\u00ean<\/strong>, khi c\u1eafm ngu\u1ed3n m\u00e0 c\u00f4ng t\u1eafc ngu\u1ed3n c\u1ee7a m\u00e0n h\u00ecnh ch\u01b0a \u0111\u01b0\u1ee3c b\u1eadt th\u00ec IC \u0111i\u1ec1u khi\u1ec3n s\u1ebd \u0111\u01b0a t\u00edn hi\u1ec7u m\u1ee9c cao v\u00e0o ch\u00e2n G c\u1ee7a Q1, d\u1eabn \u0111\u1ebfn Q1 d\u1eabn. T\u1ea1i ch\u00e2n D s\u1ebd c\u00f3 m\u1ee9c th\u1ea5p , d\u1eabn \u0111\u1ebfn l\u1ec7nh on\/off c\u00f3 m\u1ee9c th\u1ea5p kh\u1ed1i cao \u00e1p kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>Ti\u1ebfp theo<\/strong>, khi b\u1eadt c\u00f4ng t\u1eafc ngu\u1ed3n c\u1ee7a m\u00e0n h\u00ecnh, kh\u1ed1i \u0111i\u1ec1u khi\u1ec3n s\u1ebd \u0111\u01b0a m\u1ee9c th\u1ea5p v\u00e0o ch\u00e2n G c\u1ee7a Q1 d\u1eabn \u0111\u1ebfn Q1 kh\u00f3a. \u0110i\u1ec7n \u00e1p t\u1ea1i ch\u00e2n D s\u1ebd c\u00f3 m\u1ee9c cao, d\u1eabn \u0111\u1ebfn l\u1ec7nh on\/off c\u00f3 m\u1ee9c cao. Kh\u1ed1i cao \u00e1p ho\u1ea1t \u0111\u1ed9ng l\u00e0m s\u00e1ng panel.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Do \u0111\u00f3, vi\u1ec7c xu\u1ea5t hi\u1ec7n c\u00e1c l\u1ed7i l\u00e0 ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 x\u1ea3y ra.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Khi l\u1ec7nh on\/off lu\u00f4n c\u00f3 s\u1eb5n th\u00ec \u0111\u1ed3ng ngh\u0129a v\u1edbi c\u1eafm \u0111i\u1ec7n c\u1ea5p ngu\u1ed3n nh\u01b0ng ch\u01b0a b\u1eadt c\u00f4ng t\u1eafc ngu\u1ed3n m\u00e0 \u0111\u00e8n m\u00e0n h\u00ecnh \u0111\u00e3 s\u00e1ng. N\u00ean h\u01b0 h\u1ecfng c\u00f3 th\u1ec3 \u0111\u1ebfn t\u1eeb Q1 b\u1ecb \u0111\u1ee9t D-S ho\u1eb7c l\u1ed7i kh\u00f4ng \u0111\u00f3ng ng\u1eaft. Ho\u1eb7c c\u0169ng c\u00f3 th\u1ec3 l\u1ed7i \u0111\u1ebfn t\u1eeb l\u1ec7nh \u0111i\u1ec1u khi\u1ec3n v\u00e0o ch\u00e2n G c\u1ee7a Q1 lu\u00f4n c\u00f3 m\u1ee9c th\u1ea5p. L\u00fac \u0111\u00f3, h\u00e3y ti\u1ebfn h\u00e0nh ki\u1ec3m tra n\u1ebfu l\u1ec7nh v\u00e0o ch\u00e2n G t\u1ed1t th\u00ec thay Q1.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00f2n n\u1ebfu g\u1eb7p ph\u1ea3i l\u1ed7i b\u1eadt c\u00f4ng t\u1eafc c\u00f3 \u0111\u00e8n ngu\u1ed3n v\u00e0 khi nh\u00ecn k\u0129 th\u00ec th\u1ea5y c\u00f3 h\u00ecnh nh\u01b0ng panel kh\u00f4ng s\u00e1ng. Bi\u1ec3u hi\u1ec7n n\u00e0y c\u00f3 ngh\u0129a l\u1ec7nh on\/off \u0111\u01b0\u1ee3c \u0111\u1ec3 \u1edf ch\u1ebf \u0111\u1ed9 lu\u00f4n m\u1ea5t. L\u1ed7i do Q1 ho\u1eb7c l\u1ec7nh v\u00e0 ch\u00e2n G c\u1ee7a Q1 lu\u00f4n \u1edf m\u1ee9c cao.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Hi v\u1ecdng c\u00e1c th\u00f4ng tin tr\u00ean gi\u00fap \u00edch cho b\u1ea1n. Ch\u00fac b\u1ea1n th\u00e0nh c\u00f4ng!<\/p>\n<p>&nbsp;<\/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><br \/>\n<strong>MST: 0108733789<\/strong><br \/>\n<strong>T\u1ed5ng \u0111\u00e0i h\u1ed7 tr\u1ee3: 024 3566 8686 \u2013 Hotline: 0981 223 001<\/strong><br \/>\n<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><\/p>\n<p><strong>Tr\u1ee5 s\u1edf H\u00e0 N\u1ed9i:<\/strong>\u00a0S\u1ed1 8 ng\u00f5 117 Th\u00e1i H\u00e0, \u0110\u1ed1ng \u0110a, H\u00e0 N\u1ed9i<\/p>\n<p><strong>H\u1ed3 Ch\u00ed Minh:<\/strong>\u00a0S\u1ed1 283\/45 C\u00e1ch M\u1ea1ng Th\u00e1ng T\u00e1m, Ph\u01b0\u1eddng 12, Qu\u1eadn 10,\u00a0TP.HCM<br \/>\n<strong>H\u1ea3i Ph\u00f2ng:<\/strong>\u00a0S\u1ed1 94 Qu\u00e1n Nam, L\u00ea Ch\u00e2n, H\u1ea3i Ph\u00f2ng<\/p>\n<p><strong>Th\u00e1i Nguy\u00ean:<\/strong>\u00a0S\u1ed1 297 L\u01b0\u01a1ng Ng\u1ecdc Quy\u1ebfn, TP. Th\u00e1i Nguy\u00ean<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<p style=\"text-align: justify;\">\n","protected":false},"excerpt":{"rendered":"<p>Ng\u00e0y h\u00f4m nay HocvieniT.vn s\u1ebd chia s\u1ebb cho c\u00e1c b\u1ea1n v\u1ec1 l\u1ed7i m\u1ea5t l\u1ec7nh on\/off, c\u00e1c b\u1ec7nh li\u00ean quan \u0111\u1ebfn n\u00f3 v\u00e0 m\u1ed9t s\u1ed1 l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u1edbi m\u00e1y t\u00ednh c\u00f3 nguy\u00ean nh\u00e2n \u0111\u1ebfn t\u1eeb l\u1ec7nh on\/off c\u0169ng nh\u01b0 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a kh\u1ed1i l\u1ec7nh on\/off c\u1ee7a main m\u00e0n h\u00ecnh LCD cao \u00e1p led.<\/p>\n","protected":false},"author":95,"featured_media":12569,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[734],"tags":[304],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/6118"}],"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=6118"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/6118\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/12569"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}