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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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I recently purchased a 27" Sony KV-27FS120 and most of the time, the picture
is great. Sometimes there is quite a bit of color intensity variation from one channel to the next. 1. Is this something a TV should automatically correct for? if so, what is that function called? 2. Is there an adjustment or setting that can engage or enhance this corrective funtion? I am not a tech but I am also not adverse to making internal adjustments that don't require the exactness of a scope. Thanks. |
#2
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On Dec 8, 9:44*am, "Larry B" wrote:
I recently purchased a 27" Sony KV-27FS120 and most of the time, the picture is great. Sometimes there is quite a bit of color intensity variation from one channel to the next. 1. Is this something a TV should automatically correct for? *if so, what is that function called? 2. Is there an adjustment or setting that can engage or enhance this corrective funtion? I am not a tech but I am also not adverse to making internal adjustments that don't require the exactness of a scope. Thanks. Auto Chroma Control ACC. It looks at the amplitude of color burst and adjusts it to nominal. If the burst / chroma is getting messed up somewhere, the ACC will 'fix' it but it won't be correct. Are you comparing off air TV stations or a cable feed? I'd expect less variation between TV stations than cable. G² |
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![]() wrote in message ... On Dec 8, 9:44 am, "Larry B" wrote: I recently purchased a 27" Sony KV-27FS120 and most of the time, the picture is great. Sometimes there is quite a bit of color intensity variation from one channel to the next. 1. Is this something a TV should automatically correct for? if so, what is that function called? 2. Is there an adjustment or setting that can engage or enhance this corrective funtion? I am not a tech but I am also not adverse to making internal adjustments that don't require the exactness of a scope. Thanks. Auto Chroma Control ACC. It looks at the amplitude of color burst and adjusts it to nominal. If the burst / chroma is getting messed up somewhere, the ACC will 'fix' it but it won't be correct. Are you comparing off air TV stations or a cable feed? I'd expect less variation between TV stations than cable. G² Dish Network. Seems worse on the regular VHF channels that the others. Is there anything that I can do to improve the situation?? |
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