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ijaba.info_first-step-to-repair-laptop-motherboard-v1 (1).pdf
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smartphones-and-tablets-repairs-money-making-venture-skill.pdf
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T-CON แ‰ฆแˆญแ‹ต แˆŽแŒ‚แŠญ แ‰ฆแˆญแ‹ต แ‹ˆแ‹ญแˆ แ‹จแ‰แŒฅแŒฅแˆญ แˆฐแˆŒแ‹ณ แ‰ฐแ‰ฅแˆŽแˆ แ‹ญแŒ แˆซแˆ. T-CON แ‹จแ‰ฒแˆšแŠ•แŒ แ‰ฐแ‰†แŒฃแŒฃแˆช แ‹จแŠฅแŠ•แŒแˆŠแ‹แŠ› แˆแˆ…แŒปแˆจ แ‰ƒแˆ แˆฒแˆ†แŠ• แ‰ตแˆญแŒ‰แˆ™แˆ แ‹จแŒŠแ‹œ แˆ˜แ‰†แŒฃแŒ แˆชแ‹ซ แˆฐแˆญแŠชแ‹แ‰ต แˆ›แˆˆแ‰ต แŠแ‹แข แ‰ แŠ แˆแŠ‘ แŒŠแ‹œ แ‰ แ‰ปแ‹ญแŠ“ แ‹แˆตแŒฅ แ‰ฅแ‹™ แ‹จ T-CON แˆฐแˆŒแ‹ณแ‹Žแ‰ฝ แ‹จแˆ‰แˆ, CRT TV แ‹จแ‰ แˆญแŠซแ‰ณ แŠ แˆตแˆญแ‰ต แ‹“แˆ˜แ‰ณแ‰ต แ‰ณแˆชแŠญ แŠ แˆˆแ‹. แ‹จแ‹ตแˆฎแ‹ CRT แ‰ฒแ‰ช แ‹จแˆšแˆ แˆซแ‹ แ‰ แˆ˜แ‰ƒแŠ˜แ‰ต แŠแ‹แฃ แˆแˆแŠญแ‰ถแ‰นแˆ แ‰ฐแŠจแ‰ณแ‰ณแ‹ญ แŠ“แ‰ธแ‹แข แŠ แˆแŠ• แ‹ซแˆˆแ‹ แ‹จแ‰ดแˆŒแ‰ชแ‹ฅแŠ• แ‹ฐแˆจแŒƒ แ‰ CRT TV แˆ‹แ‹ญ แ‹จแ‰ฐแˆ˜แˆฐแˆจแ‰ฐ แŠแ‹แฃ แˆตแˆˆแ‹šแˆ… แ‹จแ‰ฒแ‰ช แˆแˆแŠญแ‰ฑ แ‰ แ‰ฒแ‰ช แ‹‹แŠ“ แˆฐแˆŒแ‹ณ แ‹แˆตแŒฅ แ‹ซแˆแ‹แˆแข แŠจแ‹ฒแŠฎแ‹ฒแŠ•แŒ แ‰ แŠ‹แˆ‹ แ‹ซแˆˆแ‹ แ‹แŒคแ‰ตแˆ แ‰ฐแŠจแ‰ณแ‰ณแ‹ญ แˆแˆแŠญแ‰ต แŠแ‹แข แ‹จแˆแˆณแˆฝ แŠญแˆชแˆตแ‰ณแˆ แˆ›แˆณแ‹ซ แ‰ แˆ›แ‰ตแˆชแŠญแˆต แˆ›แˆณแ‹ซ แˆแŠแ‰ณ แŠฅแŠ•แ‹ฐแˆšแˆฐแˆซ แŠฅแŠ“แ‹แ‰ƒแˆˆแŠ•, แŠฅแŠ“ แ‰ตแ‹ญแ‹ฉ แˆแˆแŠญแ‰ถแ‰ฝแŠ• แ‹ซแˆตแŠฌแ‹ณแˆ. แ‹ซแˆ แˆ›แˆˆแ‰ต แ‰ แˆ›แ‹˜แˆญแ‰ฆแˆญแ‹ต แ‹ฒแŠฎแ‹ต แ‹จแ‰ฐแ‹ฐแˆจแŒˆแ‹ แ‹จแ‰ดแˆŒแ‰ญแ‹ฅแŠ• แˆแˆแŠญแ‰ต แ‰ แ‰€แŒฅแ‰ณ แ‹ˆแ‹ฐ แŠคแˆ แˆฒแ‹ฒ แˆ›แˆณแ‹ซ แŠจแ‰ฐแˆ‹แŠจ แ‹จแŠคแˆ แˆฒแ‹ฒ แˆ›แˆณแ‹ซแ‹ แˆŠแ‰ณแ‹ญ แŠ แ‹ญแ‰ฝแˆแˆแข แˆฒแˆชแ‹ซแˆ แˆฒแŒแŠ“แˆŽแ‰ฝแŠ• แ‹ˆแ‹ฐ แ‰ตแ‹ญแ‹ฉ แˆฒแŒแŠ“แˆŽแ‰ฝ แ‹จแˆšแ‰€แ‹ญแˆญ แˆ˜แˆณแˆชแ‹ซ แˆ˜แŠ–แˆญ แŠ แˆˆแ‰ แ‰ต แˆตแˆˆแ‹šแˆ…แˆ LCD แ‹จแ‰ฒแ‰ช แˆฒแŒแŠ“แˆŽแ‰ฝแŠ• แˆ›แˆณแ‹จแ‰ต แŠฅแŠ•แ‹ฒแ‰ฝแˆ T-CON แˆฐแˆŒแ‹ณ แŠ แˆˆ แ‹ญแˆ…แˆ แ‰ฐแŠจแ‰ณแ‰ณแ‹ญ แˆฒแŒแŠ“แˆŽแ‰ฝแŠ• แ‹ˆแ‹ฐ แ‰ตแ‹ญแ‹ฉ แˆฒแŒแŠ“แˆŽแ‰ฝ แ‹จแˆšแ‰€แ‹ญแˆญ แˆ˜แˆณแˆชแ‹ซ แŠแ‹แข แ‰ แ‹‹แŠ“แ‹ แ‰ฆแˆญแ‹ฑ แ‹จแ‰ฒแ‰ช แˆฒแŒแŠ“แˆ แ‹แ…แ‹“แ‰ต แ‰ฐแ‰ แ‰ณแ‰ตแŠ– แŠฅแŠ“ แ‰ แ‰ฒ-CON แ‰ฆแˆญแ‹ฑ แ‹แˆตแŒฅ แ‰ฐแ‰€แˆ‹แ‰…แˆŽ แ‰ แˆ˜แŒจแˆจแˆป แˆˆแˆแˆณแˆฝ แŠญแˆชแˆตแ‰ณแˆ แˆ›แˆณแ‹ซ แˆจแ‹ตแ‰ แŠฅแŠ“ แŠ แˆแ‹ต แ‹ตแˆซแ‹ญแ‰ญ แ‹จแˆšแ‹ซแˆตแˆแˆแŒˆแ‹แŠ• แ‹จแ‰แŒฅแŒฅแˆญ แˆแˆแŠญแ‰ต แŠฅแŠ“ แ‹จแˆ˜แˆจแŒƒ แˆแˆแŠญแ‰ต แ‹ญแˆ˜แˆฐแˆญแ‰ณแˆแข แŠ แŒ แ‰ƒแˆ‹แ‹ญ แ‹จแ‰ฒ-CON แ‰ฆแˆญแ‹ต แˆฐแˆญแŠชแ‹แ‰ต แ‰ แˆฆแˆตแ‰ต แŠญแแˆŽแ‰ฝ แˆŠแŠจแˆแˆ แ‹ญแ‰ฝแˆ‹แˆแก แˆฒแŒแŠ“แˆ แˆ›แ‰€แŠ“แ‰ แˆชแ‹ซ (แ‹‹แŠ“ IC แŠฅแŠ“ แ‹จแ‹ณแˆญแ‰ปแ‹ แˆฐแˆญแŠชแ‹แ‰ถแ‰ฝ)แฃ แŒแˆซแŒซ-แˆšแ‹›แŠ• แˆแŒฃแˆช แˆฐแˆญแŠชแ‹แ‰ต (แŒ‚แŠคแˆแŠค แˆ˜แˆแˆจแˆ แˆฐแˆญแŠชแ‹แ‰ต) แŠฅแŠ“ แ‹จแŠƒแ‹ญแˆ แŠ แ‰…แˆญแ‰ฆแ‰ต แˆฐแˆญแŠชแ‹แ‰ต (แ‹ฒแˆฒ/แ‹ฒแˆฒ แˆฐแˆญแŠชแ‹แ‰ต)แข แ‹จแˆฒแŒแŠ“แˆ แˆ›แ‰€แŠแ‰ฃแ‰ แˆชแ‹ซ แ‹‘แ‹ฐแ‰ต แ‰ แ‹‹แŠ“แŠแ‰ต แŠจแˆ›แ‹˜แˆญแ‰ฆแˆญแ‹ต แ‹จแˆšแ‰ฐแˆ‹แˆˆแˆแ‹แŠ• แ‹จแ‰ดแˆŒแ‰ชแ‹ฅแŠ• แˆแˆแŠญแ‰ต แ‹ˆแ‹ฐ แˆ˜แ‰†แŒฃแŒ แˆชแ‹ซ แˆแˆแŠญแ‰ต, แ‹จแ’แŠญแˆฐแˆ แˆแˆแŠญแ‰ต, แˆจแ‹ณแ‰ต แˆฒแŒแŠ“แˆ, แ‹ˆแ‹˜แ‰ฐ แˆˆแŠคแˆ แˆฒแ‹ฒ แˆ›แˆณแ‹ซ แ‹ซแˆตแˆแˆแŒ‹แˆ; แŒแˆซแŒซ-แˆšแ‹›แŠ• แˆแŒ แˆช แ‹‘แ‹ฐแ‰ต แ‰ แ‹‹แŠ“แŠแ‰ต แˆˆ LCD แˆ›แˆณแ‹ซ แ‹จแˆšแ‹ซแˆตแˆแˆแŒˆแ‹แŠ• แŒแˆซแŒซ-แˆšแ‹›แŠ• แˆแˆแŠญแ‰ต แ‹ญแˆ˜แˆฐแˆญแ‰ณแˆ (แŒแˆซแŒซแ‹ แˆ›แ‹ตแˆจแŒ แ‹ญแ‰ฝแˆ‹แˆ แ‹จแŠคแˆ แˆฒ แ‹ฒ แˆตแŠญแˆชแŠ• แ‹จแ‰ แˆˆแŒ  แ‹จแ‰ฐแ‹ฐแˆซแˆจแ‰  แŠแ‹, แˆ›แˆณแ‹ซแ‹แŠ• แ‹จแ‰ แˆˆแŒ  แ‹จแ‰ แˆˆแ€แŒˆ แŠฅแŠ“ แ‹จแ‰ แˆˆแŒ  แŒแˆแŒฝ แ‹ซแ‹ฐแˆญแŒˆแ‹‹แˆ). แ‹จแŠƒแ‹ญแˆ แŠ แ‰…แˆญแ‰ฆแ‰ต แ‹‘แ‹ฐแ‰ต แ‰ แ‹‹แŠ“แŠแ‰ต แ‹จแˆฒแŒแŠ“แˆ แ•แˆฎแˆฐแˆฒแŠ•แŒ IC แ‹ญแˆ˜แˆฐแˆญแ‰ณแˆ แฃ แ‹จแˆจแ‹ตแ แ‹ตแˆซแ‹ญแ‰ญ แ‹จแŠƒแ‹ญแˆ แŠ แ‰…แˆญแ‰ฆแ‰ต แ‰ฎแˆแ‰ดแŒ… แŠฅแŠ“ แŠ แˆแ‹ต แ‹ตแˆซแ‹ญแ‰ญ แฃ แŠฅแŠ“ แ‹จ TFT (TFT turn-on voltage VGH แฃ TFT turn-off voltage VGL) แŠฅแŠ“ แ‹ˆแ‹˜แ‰ฐ.  แˆแŠ•แŒญ แ‰ แŠคแˆŒแŠญแ‰ตแˆฎแŠ’แŠญแˆต แ‹“แˆˆแˆ แ‹แˆตแŒฅ แ‹จแ‰ฐแ‹ˆแˆ แ‹ฐ




T-CON board is also called logic board or control board. T-CON is the English abbreviation of Timming Controller, which means timing control circuit. At present, there are not many T-CON boards in China, CRT TV has a history of several decades. The traditional CRT TV works by scanning, and the signals are serial. The current TV standard is based on CRT TV, so the TV signal passes through the TV main board. The output after decoding is also a serial signal. We know that the liquid crystal display works in a matrix display mode, and it processes parallel signals. That is to say, if the TV signal decoded by the motherboard is sent directly to the LCD display, the LCD display is Can't be displayed. There must be a device that converts serial signals into parallel signals so that the LCD can display TV signals, so there is a T-CON board, which is a device that converts serial signals into parallel signals. The TV signal output by the main board is disassembled and recombined in the T-CON board to finally form the control signal and data signal required for the row and column drive of the liquid crystal display. The general T-CON board circuit can be roughly divided into three parts: signal processing circuit (main IC and its peripheral circuits), gray-scale forming circuit (GMA forming circuit), and power supply circuit (DC/DC circuit). The signal processing circuit mainly converts the TV signal transmitted from the motherboard into the control signal, pixel signal, auxiliary signal, etc. required for the LCD display; the gray-scale forming circuit mainly forms the gray-scale signal required for the LCD display (the grayscale can make The display of the LCD screen is more layered, making the display richer and more vivid). The power supply circuit mainly forms the signal processing IC, the power supply voltage of the row drive and the column drive, and the switching voltage of the TFT (TFT turn-on voltage VGH, TFT turn-off voltage VGL) and so on, source posted in the world of electronics
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