Question about Samsung TX-R2765 TV
In my Samsung CS-29M20SPQ S61B chassis ( Schematic Diagrams - http://downloadcenter.samsung.com/downloadfile/ContentsFile.aspx?CDSite=ITSELF&CttFileID=288242&CDCttType=SM%20%20%20&ModelType=C&ModelName=CS29M20SPNSKLG&VPath=SM/ 200504/20050407144315562_s61a_sdiag.pdf ) raster are shifted to right-upper corner so the left and bottom arise blank space approximately 1cm width through all video input ( SCART-RGB/YCbCr/YPbPr, S-Video, Composite ) except for signal from inner tuner. It mostly well-marked when DVD playback UEMT ( Universal Electronic Measuring Table - Russion analog Indian Head or Lion Head ) generated by MATHLAB and stored on CD as .jpg pictures with resolution from 640X480 to 1024x768. I supposed that it glitch DVD's FW module responsible for pictures output. Then i record .mpg clip composed from UEMT.bmp - selfsame outcome. Then i attach Saphire Radeon 9600 Pro S-Video output to TV's S-Video input and examine UEMT.bmp immediately from my computer - selfsame outcome. Using ATI Catalyst Control Center ( 2007.6320.2246.38712 ) i shift picture down as much as possible and enlarge picture size to the maximum - bottom blank space is all the same (http://lill.front.ru/FTP/w_o_SCAN.PNG) . But if use OVERSCAN mode in Catalyst Control Center - bottom blank space is disappear, but picture's borders are exceed visible area and picture are truncated (http://lill.front.ru/FTP/OVERSCAN.PNG ). I compare input circuit from CS-29M20SPQ ( http://lill.front.ru/FTP/SAMSUNG.PNG ) with Micronas VSP 9402A Data Sheet reference circuit ( http://lill.front.ru/FTP/VSP_9402A.PNG ). Samsung very complicate input circuit. May be that is radix malarum ( the root of all evil ). Whether rational that complication. I make apology for my bad English :-( . TIA
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Posted on Jan 02, 2017
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