{"id":61128,"date":"2023-03-23T15:14:13","date_gmt":"2023-03-23T08:14:13","guid":{"rendered":"https:\/\/www.chotot.com\/kinh-nghiem\/?p=61128"},"modified":"2024-01-11T10:30:41","modified_gmt":"2024-01-11T03:30:41","slug":"tivi-bi-trang-man-hinh","status":"publish","type":"post","link":"https:\/\/www.chotot.com\/kinh-nghiem\/tivi-bi-trang-man-hinh.html","title":{"rendered":"Nguy\u00ean nh\u00e2n tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c hi\u1ec7u qu\u1ea3"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/tivi-bi-trang-man-hinh.html\/#Cac_nguyen_nhan_dan_toi_tinh_trang_tivi_bi_trang_man_hinh\" >C\u00e1c nguy\u00ean nh\u00e2n d\u1eabn t\u1edbi t\u00ecnh tr\u1ea1ng tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/tivi-bi-trang-man-hinh.html\/#Dau_noi_cap_giua_bo_dieu_khien_va_Mainboard_bi_long\" >\u0110\u1ea7u n\u1ed1i c\u00e1p gi\u1eefa b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u00e0 Mainboard b\u1ecb l\u1ecfng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/tivi-bi-trang-man-hinh.html\/#Mainboard_bi_loi_hu_hong_khien_tivi_bi_trang_man_hinh\" >Mainboard b\u1ecb l\u1ed7i, h\u01b0 h\u1ecfng khi\u1ebfn tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/tivi-bi-trang-man-hinh.html\/#Cau_chi_dan_trong_bo_dieu_khien_bi_hu_hong\" >C\u1ea7u ch\u00ec d\u00e1n trong b\u1ed9 \u0111i\u1ec1u khi\u1ec3n b\u1ecb h\u01b0 h\u1ecfng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/tivi-bi-trang-man-hinh.html\/#Chi_so_ESR_cua_tu_so_do_Ohm_cao_khien_tivi_bi_trang_man_hinh\" >Ch\u1ec9 s\u1ed1 ESR c\u1ee7a t\u1ee5 s\u1ed1 \u0111o Ohm cao khi\u1ebfn tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/tivi-bi-trang-man-hinh.html\/#Do_cai_dat_che_do_cam_bien_khien_tivi_bi_trang_man_hinh\" >Do c\u00e0i \u0111\u1eb7t ch\u1ebf \u0111\u1ed9, c\u1ea3m bi\u1ebfn khi\u1ebfn tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/tivi-bi-trang-man-hinh.html\/#Cac_bien_phap_khac_phuc_tivi_co_hien_tuong_trang_man_hinh\" >C\u00e1c bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c tivi c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng tr\u1eafng m\u00e0n h\u00ecnh<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/tivi-bi-trang-man-hinh.html\/#Xu_ly_dau_noi_cap_bi_long\" >X\u1eed l\u00fd \u0111\u1ea7u n\u1ed1i c\u00e1p b\u1ecb l\u1ecfng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/tivi-bi-trang-man-hinh.html\/#Khac_phuc_loi_Mainboard_bi_hong\" >Kh\u1eafc ph\u1ee5c l\u1ed7i Mainboard b\u1ecb h\u1ecfng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/tivi-bi-trang-man-hinh.html\/#Khac_phuc_tinh_trang_cau_chi_dan_bi_hu\" >Kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng c\u1ea7u ch\u00ec d\u00e1n b\u1ecb h\u01b0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/tivi-bi-trang-man-hinh.html\/#Xu_ly_loi_tu_hoa\" >X\u1eed l\u00fd l\u1ed7i t\u1ee5 h\u00f3a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/tivi-bi-trang-man-hinh.html\/#Khac_phuc_loi_cai_dat_hoac_cam_bien\" >Kh\u1eafc ph\u1ee5c l\u1ed7i c\u00e0i \u0111\u1eb7t ho\u1eb7c c\u1ea3m bi\u1ebfn<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.chotot.com\/kinh-nghiem\/tivi-bi-trang-man-hinh.html\/#Nhung_dieu_can_luu_y_de_tranh_tinh_trang_tivi_bi_chap_chon_trang_man_hinh\" >Nh\u1eefng \u0111i\u1ec1u c\u1ea7n l\u01b0u \u00fd \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng tivi b\u1ecb ch\u1eadp ch\u1eddn, tr\u1eafng m\u00e0n h\u00ecnh<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Tivi l\u00e0 m\u1ed9t trong nh\u1eefng thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed r\u1ea5t quen thu\u1ed9c v\u1edbi m\u1ed7i gia \u0111\u00ecnh. Tuy nhi\u00ean, trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng <strong>tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh<\/strong>. V\u1eady h\u00e3y c\u00f9ng Ch\u1ee3 T\u1ed1t t\u00ecm hi\u1ec3u ngay c\u00e1c nguy\u00ean nh\u00e2n v\u00e0 ph\u01b0\u01a1ng \u00e1n x\u1eed l\u00fd, kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh hi\u1ec7u qu\u1ea3 trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_nguyen_nhan_dan_toi_tinh_trang_tivi_bi_trang_man_hinh\"><\/span><strong>C\u00e1c nguy\u00ean nh\u00e2n d\u1eabn t\u1edbi t\u00ecnh tr\u1ea1ng tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Khi b\u1ea1n \u0111\u00e3 s\u1eed d\u1ee5ng tivi trong m\u1ed9t th\u1eddi gian th\u00ec hi\u1ec7n t\u01b0\u1ee3ng b\u1ecb l\u1ed7i, tr\u1eafng m\u00e0n h\u00ecnh c\u0169ng kh\u00e1 ph\u1ed5 bi\u1ebfn v\u00e0 c\u00f3 th\u1ec3 x\u1ea3y ra do nhi\u1ec1u nguy\u00ean nh\u00e2n kh\u00e1c nhau. Sau \u0111\u00e2y, h\u00e3y c\u00f9ng Ch\u1ee3 T\u1ed1t li\u1ec7t k\u00ea m\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n ch\u1ee7 y\u1ebfu d\u1eabn t\u1edbi hi\u1ec7n t\u01b0\u1ee3ng tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh. C\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/1274dfcb-tivi-bi-trang-man-hinh-1.jpg\" alt=\"tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh\" class=\"wp-image-61129\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/1274dfcb-tivi-bi-trang-man-hinh-1.jpg 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/1274dfcb-tivi-bi-trang-man-hinh-1-500x313.jpg 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/1274dfcb-tivi-bi-trang-man-hinh-1-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>C\u00e1c nguy\u00ean nh\u00e2n ch\u1ee7 y\u1ebfu d\u1eabn t\u1edbi t\u00ecnh tr\u1ea1ng tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dau_noi_cap_giua_bo_dieu_khien_va_Mainboard_bi_long\"><\/span><strong>\u0110\u1ea7u n\u1ed1i c\u00e1p gi\u1eefa b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u00e0 Mainboard b\u1ecb l\u1ecfng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh c\u00f3 th\u1ec3 l\u00e0 do \u0111\u1ea7u d\u00e2y c\u00e1p b\u1ecb bung kh\u1ecfi Mainboard, t\u1eeb \u0111\u00f3 m\u00e0 n\u00f3 kh\u00f4ng th\u1ec3 truy\u1ec1n g\u1eedi t\u00edn hi\u1ec7u t\u1edbi vi m\u1ea1ch IC \u0111i\u1ec1u khi\u1ec3n. \u1ede m\u1ed9t s\u1ed1 d\u00f2ng m\u00e0n h\u00ecnh tivi, khi kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u truy\u1ec1n \u0111\u1ebfn b\u1ed9 \u0111i\u1ec1u khi\u1ec3n th\u00ec m\u00e0n h\u00ecnh s\u1ebd t\u1ef1 t\u1eaft lu\u00f4n. Ch\u00ednh v\u00ec v\u1eady, n\u1ebfu tivi xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng tr\u1eafng m\u00e0n h\u00ecnh th\u00ec c\u00f3 th\u1ec3 ki\u1ec3m tra l\u1ea1i v\u1ecb tr\u00ed \u0111\u1ea7u n\u1ed1i c\u00e1p n\u00e0y nh\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mainboard_bi_loi_hu_hong_khien_tivi_bi_trang_man_hinh\"><\/span><strong>Mainboard b\u1ecb l\u1ed7i, h\u01b0 h\u1ecfng khi\u1ebfn tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Khi Mainboard t\u1ef1 n\u00f3 b\u1ecb l\u1ed7i, h\u01b0 h\u1ecfng s\u1ebd d\u1eabn t\u1edbi vi\u1ec7c kh\u00f4ng th\u1ec3 truy\u1ec1n g\u1eedi t\u00edn hi\u1ec7u t\u1edbi vi m\u1ea1ch IC \u0111i\u1ec1u khi\u1ec3n. Th\u1eddi \u0111i\u1ec3m n\u00e0y, c\u00e1c vi m\u1ea1ch IC scalar, IC \u1ed5n \u00e1p, EEPROM (hay c\u00f2n g\u1ecdi l\u00e0 E2PROM, Electrically Erasable Programmable Read Only Memory &#8211; \u0111\u00e2y l\u00e0 m\u1ed9t d\u1ea1ng chip nh\u1edb b\u00e1n d\u1eabn) v\u00e0 vi \u0111i\u1ec1u khi\u1ec3n v\u00e0 t\u1ee5 d\u00e1n xung quanh v\u1ecb ch\u1ea1m m\u1ea1ch c\u0169ng ch\u00ednh l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra t\u00ecnh tr\u1ea1ng m\u00e0n h\u00ecnh b\u1ecb tr\u1eafng.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_chi_dan_trong_bo_dieu_khien_bi_hu_hong\"><\/span><strong>C\u1ea7u ch\u00ec d\u00e1n trong b\u1ed9 \u0111i\u1ec1u khi\u1ec3n b\u1ecb h\u01b0 h\u1ecfng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">\u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn d\u1eabn t\u1edbi m\u00e0n h\u00ecnh tivi b\u1ecb tr\u1eafng. Khi x\u1ea3y ra s\u1ef1 c\u1ed1 hay \u0111\u1ee9t c\u1ea7u ch\u00ec n\u00e0y s\u1ebd kh\u00f4ng c\u00f3 ngu\u1ed3n \u0111i\u1ec7n \u00e1p \u0111\u1ec3 cung c\u1ea5p cho vi m\u1ea1ch IC \u0111i\u1ec1u khi\u1ec3n. Th\u1eddi \u0111i\u1ec3m n\u00e0y cho d\u00f9 IC \u0111i\u1ec1u khi\u1ec3n c\u00f3 nh\u1eadn \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u t\u1eeb Mainboard th\u00ec c\u0169ng kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u truy\u1ec1n t\u1edbi IC l\u00e1i LCD \u1edf trong TCP. T\u1eeb \u0111\u00f3 s\u1ebd kh\u00f4ng cho \u1ea3nh t\u1edbi m\u00e0n h\u00ecnh v\u00e0 m\u00e0n h\u00ecnh ch\u1ec9 xu\u1ea5t hi\u1ec7n m\u00e0u tr\u1eafng nh\u1edd backlight.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/be658289-tivi-bi-trang-man-hinh-2.jpg\" alt=\"tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh\" class=\"wp-image-61130\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/be658289-tivi-bi-trang-man-hinh-2.jpg 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/be658289-tivi-bi-trang-man-hinh-2-500x313.jpg 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/be658289-tivi-bi-trang-man-hinh-2-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>L\u1ed7i m\u00e0n h\u00ecnh tivi b\u1ecb tr\u1eafng c\u00f3 th\u1ec3 do c\u1ea7u ch\u00ec d\u00e1n trong b\u1ed9 \u0111i\u1ec1u khi\u1ec3n b\u1ecb h\u01b0<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Chi_so_ESR_cua_tu_so_do_Ohm_cao_khien_tivi_bi_trang_man_hinh\"><\/span><strong>Ch\u1ec9 s\u1ed1 ESR c\u1ee7a t\u1ee5 s\u1ed1 \u0111o Ohm cao khi\u1ebfn tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">N\u1ebfu m\u00e0n h\u00ecnh ti vi b\u1ecb tr\u1eafng, ch\u1eadp ch\u1eddn m\u00e0 kh\u00f4ng ph\u1ea3i do v\u1ea5n \u0111\u1ec1 v\u1ec1 c\u1ea5p ngu\u1ed3n th\u00ec r\u1ea5t c\u00f3 th\u1ec3 ti vi \u0111\u00e3 g\u1eb7p s\u1ef1 c\u1ed1, b\u1ecb l\u1ed7i t\u1ee5 h\u00f3a. B\u1ea1n th\u1eed ki\u1ec3m tra ch\u1ec9 s\u1ed1 ESR (\u0111\u00e2y l\u00e0 gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf n\u1ed1i ti\u1ebfp t\u01b0\u01a1ng \u0111\u01b0\u01a1ng) c\u1ee7a t\u1ee5 s\u1ed1 Ohm, n\u1ebfu cho ra k\u1ebft qu\u1ea3 \u0111o r\u1ea5t cao th\u00ec \u0111\u00e2y ch\u00ednh l\u00e0 nguy\u00ean nh\u00e2n \u0111\u00e3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng ti vi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Do_cai_dat_che_do_cam_bien_khien_tivi_bi_trang_man_hinh\"><\/span><strong>Do c\u00e0i \u0111\u1eb7t ch\u1ebf \u0111\u1ed9, c\u1ea3m bi\u1ebfn khi\u1ebfn tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">\u0110\u00e2y c\u0169ng l\u00e0 trong nh\u1eefng l\u00fd do xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng ti vi b\u1ecb tr\u1eafng to\u00e0n m\u00e0n h\u00ecnh b\u1ea1n c\u1ea7n l\u01b0u \u00fd. T\u00ecnh tr\u1ea1ng n\u00e0y c\u00f3 th\u1ec3 l\u00e0 do trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, b\u1ea1n ch\u1eb3ng may \u0111i\u1ec1u ch\u1ec9nh v\u00e0o ch\u1ebf \u0111\u1ed9 s\u00e1ng to\u00e0n m\u00e0n h\u00ecnh. Ho\u1eb7c tr\u00ean m\u1ed9t s\u1ed1 d\u00f2ng tivi hi\u1ec7n nay \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p ch\u1ebf \u0111\u1ed9 c\u1ea3m bi\u1ebfn \u00e1nh s\u00e1ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_bien_phap_khac_phuc_tivi_co_hien_tuong_trang_man_hinh\"><\/span><strong>C\u00e1c bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c tivi c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng tr\u1eafng m\u00e0n h\u00ecnh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng c\u00e1ch kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng m\u00e0n h\u00ecnh tivi b\u1ecb tr\u1eafng, n\u1ebfu b\u1ea1n c\u0169ng \u0111ang g\u1eb7p s\u1ef1 c\u1ed1 n\u00e0y th\u00ec c\u00f3 th\u1ec3 tham kh\u1ea3o ngay \u0111\u1ec3 tivi nhanh ch\u00f3ng ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Xu_ly_dau_noi_cap_bi_long\"><\/span><strong>X\u1eed l\u00fd \u0111\u1ea7u n\u1ed1i c\u00e1p b\u1ecb l\u1ecfng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n ki\u1ec3m tra l\u1ea1i ngay xem \u0111\u1ea7u n\u1ed1i c\u00e1p gi\u1eefa Mainboard v\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u00f3 b\u1ecb l\u1ecfng ho\u1eb7c b\u1ecb \u0111\u1ee9t hay kh\u00f4ng. N\u1ebfu ch\u00fang b\u1ecb l\u1ecfng th\u00ec h\u00e3y si\u1ebft ch\u1eb7t v\u00e0 ki\u1ec3m tra l\u1ea1i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e0n h\u00ecnh. <\/p>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Ho\u1eb7c n\u1ebfu \u0111\u1ea7u c\u00e1p n\u1ed1i b\u1ecb \u0111\u1ee9t th\u00ec ch\u00fang ta c\u1ea7n thay th\u1ebf ngay b\u1eb1ng d\u00e2y m\u1edbi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00edn hi\u1ec7u truy\u1ec1n t\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c \u1ed5n \u0111\u1ecbnh. Ngo\u00e0i ra, b\u1ea1n c\u0169ng n\u00ean ki\u1ec3m tra ngu\u1ed3n \u0111i\u1ec7n c\u1ea5p cho tivi \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1eadt ch\u01b0a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tivi ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/0ca8665e-tivi-bi-trang-man-hinh-3.jpg\" alt=\"tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh\" class=\"wp-image-61131\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/0ca8665e-tivi-bi-trang-man-hinh-3.jpg 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/0ca8665e-tivi-bi-trang-man-hinh-3-500x313.jpg 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/0ca8665e-tivi-bi-trang-man-hinh-3-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Ki\u1ec3m tra \u0111\u1ea7u n\u1ed1i c\u00e1p ch\u1eafc ch\u1eafn kh\u00f4ng b\u1ecb l\u1ecfng, \u0111\u1ee9t \u0111\u1ec3 tr\u00e1nh tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Khac_phuc_loi_Mainboard_bi_hong\"><\/span><strong>Kh\u1eafc ph\u1ee5c l\u1ed7i Mainboard b\u1ecb h\u1ecfng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Khi x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y th\u00ec tr\u01b0\u1edbc ti\u00ean b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e1y \u0111o hi\u1ec7n s\u00f3ng v\u00e0 \u0111o t\u1ea1i c\u00e1c \u0111i\u1ec3m \u0111\u1ea7u n\u1ed1i, ho\u1eb7c c\u00f3 th\u1ec3 \u0111o \u1edf Mainboard hay c\u0169ng c\u00f3 th\u1ec3 \u0111o b\u00ean b\u1ed9 \u0111i\u1ec1u khi\u1ec3n. D\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 \u0111o v\u00e0 xem x\u00e9t Mainboard c\u00f3 b\u1ecb h\u01b0 h\u1ecfng hay b\u1ecb ch\u00e1y kh\u00f4ng m\u00e0 d\u1eabn t\u1edbi t\u00ecnh tr\u1ea1ng m\u00e0n h\u00ecnh ti vi b\u1ecb tr\u1eafng.<\/p>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">N\u1ebfu x\u1ea3y ra v\u1ea5n \u0111\u1ec1 n\u00e0y th\u00ec ng\u01b0\u1eddi d\u00f9ng n\u00ean li\u00ean h\u1ec7 v\u1edbi c\u00e1c c\u01a1 s\u1edf s\u1eeda ch\u1eefa uy t\u00edn \u0111\u1ec3 ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa, thay th\u1ebf. Ng\u01b0\u1eddi d\u00f9ng n\u00ean t\u00ecm hi\u1ec3u k\u1ef9 v\u00e0 l\u1ef1a ch\u1ecdn ch\u1ecdn c\u00e1c \u0111\u01a1n v\u1ecb s\u1eeda ch\u1eefa ch\u00ednh h\u00e3ng, uy t\u00edn, \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng nh\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Khac_phuc_tinh_trang_cau_chi_dan_bi_hu\"><\/span><strong>Kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng c\u1ea7u ch\u00ec d\u00e1n b\u1ecb h\u01b0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">\u0110\u1ec3 x\u1eed l\u00fd s\u1ef1 c\u1ed1 n\u00e0y th\u00ec ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u1ea7n s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 \u0111o c\u1ea7u ch\u00ec d\u00e1n \u0111\u1ec3 xem ch\u00fang c\u00f3 b\u1ecb \u0111\u1ee9t hay kh\u00f4ng. Tuy nhi\u00ean tr\u01b0\u1edbc khi \u0111o, ch\u00fang ta c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng d\u00e2y gi\u1ea3i t\u0129nh \u0111i\u1ec7n b\u1edfi c\u00e1c linh ki\u1ec7n trong Mainboard r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi t\u0129nh \u0111i\u1ec7n. N\u1ebfu nh\u01b0 c\u1ea7u ch\u00ec v\u1eabn ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u01b0ng v\u1eabn kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u truy\u1ec1n t\u1edbi vi m\u1ea1ch IC \u0111i\u1ec1u khi\u1ec3n th\u00ec ph\u01b0\u01a1ng \u00e1n duy nh\u1ea5t \u0111\u1ec3 kh\u1eafc ph\u1ee5c \u0111\u00f3 l\u00e0 thay b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n m\u1edbi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Xu_ly_loi_tu_hoa\"><\/span><strong>X\u1eed l\u00fd l\u1ed7i t\u1ee5 h\u00f3a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">N\u1ebfu g\u1eb7p s\u1ef1 c\u1ed1 t\u1ee5 h\u00f3a th\u00ec bi\u1ec7n ph\u00e1p t\u1ed1t nh\u1ea5t l\u00e0 thay c\u00e1c t\u1ee5 h\u00f3a \u0111\u00e3 b\u1ecb l\u1ed7i h\u1ecfng s\u1ebd gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c ngay v\u1ea5n \u0111\u1ec1 ti vi b\u1ecb ch\u1eadp ch\u1eddn, tr\u1eafng m\u00e0n h\u00ecnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Khac_phuc_loi_cai_dat_hoac_cam_bien\"><\/span><strong>Kh\u1eafc ph\u1ee5c l\u1ed7i c\u00e0i \u0111\u1eb7t ho\u1eb7c c\u1ea3m bi\u1ebfn<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Khi g\u1eb7p s\u1ef1 c\u1ed1 n\u00e0y th\u00ec ch\u00fang ta ch\u1ec9 c\u1ea7n c\u00e0i \u0111\u1eb7t l\u1ea1i ch\u1ebf \u0111\u1ed9 \u00e1nh s\u00e1ng cho m\u00e0n h\u00ecnh, thi\u1ebft l\u1eadp m\u1ee9c s\u00e1ng v\u1eeba ph\u1ea3i l\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng tivi b\u00ecnh th\u01b0\u1eddng. C\u00f2n n\u1ebfu l\u00e0 do ch\u1ebf \u0111\u1ed9 c\u1ea3m bi\u1ebfn \u00e1nh s\u00e1ng th\u00ec ch\u1ec9 c\u1ea7n c\u00e2n b\u1eb1ng l\u1ea1i \u00e1nh s\u00e1ng trong ph\u00f2ng l\u00e0 \u0111\u01b0\u1ee3c, che b\u1edbt \u00e1nh s\u00e1ng s\u1ebd gi\u00fap tivi tr\u1edf l\u1ea1i b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nhung_dieu_can_luu_y_de_tranh_tinh_trang_tivi_bi_chap_chon_trang_man_hinh\"><\/span><strong>Nh\u1eefng \u0111i\u1ec1u c\u1ea7n l\u01b0u \u00fd \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng tivi b\u1ecb ch\u1eadp ch\u1eddn, tr\u1eafng m\u00e0n h\u00ecnh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u0111i\u1ec1u c\u1ea7n l\u01b0u \u00fd trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng ti vi \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng ti vi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh. M\u1eddi c\u00e1c b\u1ea1n c\u00f9ng theo d\u00f5i, tham kh\u1ea3o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tivi lu\u00f4n \u0111\u01b0\u1ee3c ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, c\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/3265b2f4-tivi-bi-trang-man-hinh-4.jpg\" alt=\"tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh\" class=\"wp-image-61132\" srcset=\"https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/3265b2f4-tivi-bi-trang-man-hinh-4.jpg 800w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/3265b2f4-tivi-bi-trang-man-hinh-4-500x313.jpg 500w, https:\/\/static.chotot.com\/storage\/chotot-kinhnghiem\/c2c\/2023\/02\/3265b2f4-tivi-bi-trang-man-hinh-4-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>M\u1ed9t s\u1ed1 l\u01b0u \u00fd khi s\u1eed d\u1ee5ng ti vi tr\u00e1nh g\u1eb7p l\u1ed7i hay tr\u1eafng m\u00e0n h\u00ecnh<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>N\u1ebfu th\u1ea5y m\u00e0n h\u00ecnh tivi xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng c\u00e1c \u0111\u1ed1m s\u00e1ng th\u00ec c\u00e1c b\u1ea1n c\u1ea7n ki\u1ec3m tra ngay l\u1eadp t\u1ee9c \u0111\u1ec3 tr\u00e1nh tivi b\u1ecb h\u01b0 h\u1ea1i, ch\u1eadp ch\u1eddn d\u1eabn t\u1edbi tr\u1eafng m\u00e0n h\u00ecnh.<\/li>\n\n\n\n<li>N\u00ean \u0111\u1eb7t tivi \u1edf k\u1ec7 cao n\u01a1i kh\u00f4 tho\u00e1ng, tr\u00e1nh nh\u1eefng n\u01a1i \u1ea9m th\u1ea5p, c\u00f3 n\u01b0\u1edbc, h\u01a1i n\u01b0\u1edbc. \u0110i\u1ec1u n\u00e0y s\u1ebd \u00edt nhi\u1ec1u \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp b\u1ed9 \u0111i\u1ec1u khi\u1ec3n, vi m\u1ea1ch hay c\u00e1c linh ki\u1ec7n c\u1ee7a tivi.<\/li>\n\n\n\n<li>Th\u01b0\u1eddng xuy\u00ean lau ch\u00f9i, v\u1ec7 sinh v\u00e0 b\u1ea3o d\u01b0\u1ee1ng, ki\u1ec3m tra tivi \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 tr\u00e1nh l\u1ed7i m\u00e0n h\u00ecnh b\u1ecb tr\u1eafng ho\u1eb7c c\u00e1c l\u1ed7i kh\u00e1c.<\/li>\n\n\n\n<li>Th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra c\u00e1c \u0111\u1ea7u n\u1ed1i c\u00e1p Mainboard v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 ch\u1eafc ch\u1eafn ch\u00fang kh\u00f4ng b\u1ecb l\u1ecfng hay b\u1ecb \u0111\u1ee9t \u1ea3nh h\u01b0\u1edfng t\u1edbi vi\u1ec7c truy\u1ec1n t\u00edn hi\u1ec7u.<\/li>\n\n\n\n<li>N\u1ebfu tivi c\u1ee7a b\u1ea1n c\u1ea7n ph\u1ea3i mang \u0111i s\u1eeda th\u00ec n\u00ean l\u1ef1a ch\u1ecdn nh\u1eefng trung t\u00e2m b\u1ea3o h\u00e0nh ho\u1eb7c \u0111\u01a1n v\u1ecb s\u1eeda ch\u1eefa uy t\u00edn \u0111\u1ec3 \u0111\u01b0\u1ee3c thay th\u1ebf c\u00e1c linh ki\u1ec7n ch\u00ednh h\u00e3ng, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t nh\u1ea5t. B\u00ean c\u1ea1nh \u0111\u00f3, t\u1ea1i nh\u1eefng n\u01a1i n\u00e0y s\u1ebd quy tr\u00ecnh s\u1eeda ch\u1eefa tivi chuy\u00ean nghi\u1ec7p v\u00e0 kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 theo d\u00f5i, gi\u00e1m s\u00e1t qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ec3 kh\u00f4ng b\u1ecb \u0111\u00e1nh tr\u00e1o linh ki\u1ec7n. Khi b\u1ea1n \u0111\u00e3 nghi\u1ec7m thu \u0111\u1ea3m b\u1ea3o th\u00ec m\u1edbi ti\u1ebfn h\u00e0nh thanh to\u00e1n.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">N\u1ed9i dung b\u00e0i vi\u1ebft l\u00e0 nh\u1eefng chia s\u1ebb c\u1ee7a<strong> <\/strong><a href=\"https:\/\/www.chotot.com\/\" target=\"_blank\" aria-label=\" (opens in a new tab)\" rel=\"noreferrer noopener\" class=\"ek-link\"><strong>Ch\u1ee3 T\u1ed1t<\/strong><\/a> g\u1eedi t\u1edbi c\u00e1c b\u1ea1n \u0111\u1ecdc v\u1ec1 nh\u1eefng nguy\u00ean nh\u00e2n d\u1eabn t\u1edbi t\u00ecnh tr\u1ea1ng<strong> tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh <\/strong>c\u0169ng nh\u01b0 c\u00e1ch kh\u1eafc ph\u1ee5c hi\u1ec7u qu\u1ea3 nh\u1ea5t. Hy v\u1ecdng v\u1edbi nh\u1eefng th\u00f4ng tin tr\u00ean th\u1ef1c s\u1ef1 h\u1eefu \u00edch gi\u00fap b\u1ea1n nhanh ch\u00f3ng x\u1eed l\u00fd \u0111\u01b0\u1ee3c c\u00e1c s\u1ef1 c\u1ed1 v\u00e0 s\u1edf h\u1eefu chi\u1ebfc tivi ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, mang l\u1ea1i nhi\u1ec1u tr\u1ea3i nghi\u1ec7m th\u00fa v\u1ecb, h\u00e0i l\u00f2ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tivi l\u00e0 m\u1ed9t trong nh\u1eefng thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed r\u1ea5t quen thu\u1ed9c v\u1edbi m\u1ed7i gia \u0111\u00ecnh. Tuy nhi\u00ean, trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh. V\u1eady h\u00e3y c\u00f9ng Ch\u1ee3 T\u1ed1t t\u00ecm hi\u1ec3u ngay c\u00e1c nguy\u00ean nh\u00e2n v\u00e0 ph\u01b0\u01a1ng \u00e1n x\u1eed l\u00fd, kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng<\/p>\n","protected":false},"author":25,"featured_media":61129,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh","_yoast_wpseo_title":"Nguy\u00ean nh\u00e2n tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c hi\u1ec7u qu\u1ea3","_yoast_wpseo_metadesc":"Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh. H\u00e3y c\u00f9ng Ch\u1ee3 T\u1ed1t t\u00ecm hi\u1ec3u ngay c\u00e1c nguy\u00ean nh\u00e2n.","_editorskit_title_hidden":false,"_editorskit_reading_time":6,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","footnotes":""},"categories":[949,1078],"tags":[],"class_list":["post-61128","post","type-post","status-publish","format-standard","has-post-thumbnail","category-dien-tu","category-tivi-am-thanh"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Nguy\u00ean nh\u00e2n tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c hi\u1ec7u qu\u1ea3<\/title>\n<meta name=\"description\" content=\"Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng tivi b\u1ecb tr\u1eafng m\u00e0n h\u00ecnh. 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