LG 65UB950V.AFP Owner's Manual page 117

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‫ﺗﻌﻠﻴﻤﺎﺕ ﺍﻷﻣﺎﻥ‬
.(‫ﻗﺪ ﺗﺮﻯ ﺩﺭﺟﺔ ﺳﻄﻮﻉ ﻣﺨﺘﻠﻔﺔ ﻭﻗﺪ ﻳﺨﺘﻠﻒ ﻟﻮﻥ ﺍﻟﻠﻮﺣﺔ ﺣﺴﺐ ﻣﻮﺿﻊ ﻣﺸﺎﻫﺪﺗﻚ )ﻣﻦ ﺍﻟﺠﻬﺔ ﺍﻟﻴﺴﺮﻯ/ﺍﻟﻴﻤﻨﻰ/ﺍﻟﻌﻠﻮﻳﺔ/ﺍﻟﺴﻔﻠﻴﺔ‬
.‫ﺗﺤﺪﺙ ﻫﺬﻩ ﺍﻟﻈﺎﻫﺮﺓ ﺑﺴﺒﺐ ﺧﺼﺎﺋﺺ ﺍﻟﻠﻮﺣﺔ. ﻭﻻ ﻳﺘﻌﻠﻖ ﻫﺬﺍ ﺑﺄﺩﺍء ﺍﻟﻤﻨﺘﺞ ﻭﻻ ﻳﺸﻴﺮ ﺇﻟﻰ ﻋﻄﻞ ﻓﻴﻪ‬
‫ﻗﺪ ﻳﺆﺩﻱ ﻋﺮﺽ ﺻﻮﺭﺓ ﺛﺎﺑﺘﺔ )ﻛﺸﻌﺎﺭ ﻗﻨﺎﺓ ﺍﻟﺒﺚ ﺃﻭ ﺍﻟﻘﺎﺋﻤﺔ ﺍﻟﺘﻲ ﺗﻈﻬﺮ ﻋﻠﻰ ﺍﻟﺸﺎﺷﺔ ﺃﻭ ﻣﺸﻬﺪ ﻣﻦ ﺇﺣﺪﻯ ﺃﻟﻌﺎﺏ ﺍﻟﻔﻴﺪﻳﻮ( ﻟﻔﺘﺮﺓ ﻃﻮﻳﻠﺔ ﻣﻦ ﺍﻟﻮﻗﺖ ﺇﻟﻰ ﺇﻟﺤﺎﻕ‬
.‫ﺍﻟﻀﺮﺭ ﺑﺎﻟﺸﺎﺷﺔ، ﺍﻷﻣﺮ ﺍﻟﺬﻱ ﻳﺘﺴﺒﺐ ﺑﺒﻘﺎء ﺍﻟﺼﻮﺭﺓ ﻭﻫﺬﺍ ﺍﻷﻣﺮ ﻣﻌﺮﻭﻑ ﺑﺎﻟﺘﺼﺎﻕ ﺍﻟﺼﻮﺭﺓ. ﻭﻻ ﻳﻐﻄﻲ ﺿﻤﺎﻥ ﺍﻟﻤﻨﺘﺞ ﻣﺸﻜﻠﺔ ﺍﻟﺘﺼﺎﻕ ﺍﻟﺼﻮﺭﺓ‬
.(‫، ﻭﺳﺎﻋﺔ ﻭﺍﺣﺪﺓ ﺃﻭ ﺃﻛﺜﺮ ﻟﺸﺎﺷﺔ ﺍﻟﺒﻼﺯﻣﺎ‬LCD ‫ﺗﺠ ﻨ ّ ﺐ ﻋﺮﺽ ﺻﻮﺭﺓ ﺛﺎﺑﺘﺔ ﻋﻠﻰ ﺷﺎﺷﺔ ﺍﻟﺘﻠﻔﺎﺯ ﻟﻔﺘﺮﺓ ﻃﻮﻳﻠﺔ )ﺳﺎﻋﺘﻴﻦ ﺃﻭ ﺃﻛﺜﺮ ﻟﺸﺎﺷﺔ‬
.‫ﻭﺃﻳﻀ ً ﺎ ﻓﻲ ﺣﺎﻟﺔ ﻣﺸﺎﻫﺪﺓ ﺍﻟﺘﻠﻔﺎﺯ ﻟﻔﺘﺮﺓ ﻃﻮﻳﻠﺔ ﻣﻊ ﺿﺒﻂ ﻧﺴﺒﺔ ﺍﻟﻄﻮﻝ ﺇﻟﻰ ﺍﻟﻌﺮﺽ ﻋﻠﻰ 3:4، ﻗﺪ ﻳﻈﻬﺮ ﺍﻟﺘﺼﺎﻕ ﺍﻟﺼﻮﺭ ﻋﻠﻰ ﺣﺪﻭﺩ ﺍﻟﻠﻮﺣﺔ‬
.‫ﺗﺤﺪﺙ ﺃﻳﻀ ً ﺎ ﻫﺬﻩ ﺍﻟﻈﺎﻫﺮﺓ ﻓﻲ ﻣﻨﺘﺠﺎﺕ ﺟﻬﺎﺕ ﺃﺧﺮﻯ ﻭﻻ ﺗﺸﻜﻞ ﺳﺒ ﺒ ًﺎ ﻻﺳﺘﺒﺪﺍﻝ ﺍﻟﻤﻨﺘﺞ ﺃﻭ ﺍﺳﺘﺮﺩﺍﺩ ﺍﻟﻤﺒﻠﻎ ﺍﻟﻤﺪﻓﻮﻉ‬
‫ﺍﻟﺼﻮﺕ ﺍﻟﺼﺎﺩﺭ ﻣﻦ ﺍﻟﺘﻠﻔﺎﺯ‬
‫ﺻﻮﺕ "ﺗﻜﺴﻴﺮ": ﻳﻌﻮﺩ ﺳﺒﺐ ﺍﻟﺼﻮﺕ ﺍﻟﺼﺎﺩﺭ ﻋﻨﺪ ﻣﺸﺎﻫﺪﺓ ﺍﻟﺘﻠﻔﺎﺯ ﺃﻭ ﺇﻳﻘﺎﻑ ﺗﺸﻐﻴﻠﻪ ﺇﻟﻰ ﺍﻟﺘﻘﻠ ّ ﺺ ﺍﻟﺤﺮﺍﺭﻱ ﻟﻠﺒﻼﺳﺘﻴﻚ ﺑﻔﻌﻞ ﺍﻟﺤﺮﺍﺭﺓ ﻭﺍﻟﺮﻃﻮﺑﺔ. ﻫﺬﺍ ﺍﻟﺼﻮﺕ‬
‫ﺷﺎﺋﻊ ﻓﻲ ﺍﻟﻤﻨﺘﺠﺎﺕ ﺍﻟﺘﻲ ﻳﻜﻮﻥ ﻓﻴﻬﺎ ﺗﻐﻴﻴﺮ ﺍﻟﺸﻜﻞ ﺑﻔﻌﻞ ﺍﻟﺤﺮﺍﺭﺓ ﺿﺮﻭﺭ ﻳ ًﺎ. ﻃﻨﻴﻦ ﺍﻟﺪﺍﺋﺮﺓ ﺍﻟﻜﻬﺮﺑﺎﺋﻴﺔ/ﻃﻨﻴﻦ ﺍﻟﺸﺎﺷﺔ: ﻳﺼﺪﺭ ﺻﻮﺕ ﺧﺎﻓﺖ ﻣﻦ ﺩﺍﺋﺮﺓ ﺍﻟﺘﺒﺪﻳﻞ ﺫﺍﺕ‬
.‫ﺍﻟﺴﺮﻋﺔ ﺍﻟﻌﺎﻟﻴﺔ، ﻭﺍﻟﺘﻲ ﺗﻤ ﺪ ّ ﺍﻟﻤﻨﺘﺞ ﺑﻘﻮﺓ ﺗﻴﺎﺭ ﻋﺎﻟﻴﺔ ﻟﺘﺸﻐﻴﻠﻪ. ﻭﻳﺨﺘﻠﻒ ﺫﻟﻚ ﺑﺤﺴﺐ ﺍﻟﻤﻨﺘﺞ‬
.‫ﻻ ﻳﺆﺛﺮ ﻫﺬﺍ ﺍﻟﺼﻮﺕ ﻋﻠﻰ ﺃﺩﺍء ﺍﻟﻤﻨﺘﺞ ﻭﻣﻮﺛﻮﻗﻴﺘﻪ‬

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Ub95 seriesUb98 seriesUb85 series49ub850v.afp

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