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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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Very Strange Antenna Problem?
Sorry for the duplicate post. Computer had frozen and I didn't know how to delete the second post!
-------------------------------------------------------------------- Hello, I am trying to diagnose a problem with a 14" Grundig CUC7303 television. When using the built-in antenna, there are diagonal lines across the screen for each channel. On certain channels it is not as bad. The strange thing is that, when an external antenna (Outdoors) is connected, these diagonal lines appear to go away? I assumed that this may be a problem with either the tuning or I.F circuitry? Last edited by M.Joshi : February 20th 05 at 06:23 PM Reason: Duplicate post |
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On Sun, 20 Feb 2005 18:15:13 +0000, M.Joshi
wrote: From your description, it would seem to be an interference problem, so as you have alredy determined, it needs a stronger signal pickup, and the external antenna is the answer. Peter Dettmann Sorry for the duplicate post. Computer had frozen and I didn't know how to delete the second post! -------------------------------------------------------------------- Hello, I am trying to diagnose a problem with a 14" Grundig CUC7303 television. When using the built-in antenna, there are diagonal lines across the screen for each channel. On certain channels it is not as bad. The strange thing is that, when an external antenna (Outdoors) is connected, these diagonal lines appear to go away? I assumed that this may be a problem with either the tuning or I.F circuitry? |
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