Question about Sanyo AVM-3258S 32" TV
No channels being picked up - all snow (does have sound); when run cable or vhf/uhf channel search, it doesn't pick up any channels but displays message "no signal from antena detected". If we plug another tv into same cable hookup, cable and channels work fine. If we plug this problem tv into another cable hookup, it does same problem...... "no signal detected"
Please advise on how much this might cost to fix and/or alternate routing for signal. Thanks, Shannon
Since it has voice or sound then I don't suspect the tuner but probably the tuner does not have the 33 volts that goes through r106 location number on the board. It is a 27K resistor and can be bought for about a dollar at Radio Shack. (pack of 2or3) A repairman or someone experienced in electronic soldering and desoldering can change it easily. Could cost around $50 to repair depending on the serviceman. If it has rca jacks (red, white and yellow) The tuner can be bypassed if you have a cable box that passed these signals: audio left and right and video. Hope this helps
Posted on Dec 30, 2007
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Posted on Jan 02, 2017
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Channel 19 actually broadcasts on VHF channel 11 (approximately 201MHZ) and channel 25 actually broadcasts on UHF channel 15 (approximately 479MHZ). I know that sounds a bit weird but it has been done so that stations don't have to change there "call" channel number when we switched to Digital TV. Your digital converter box keeps track of this. This is important to understand because you need and antenna that is good at picking up both UHF and VHF signals. If you're not getting channel 19 it may be due to a poor VHF portion of your antenna. If your using a basic old set of rabbit ears for your antenna that has a loop in the middle then I might have a trick for you. Most rabbit ears have 2 telescopic antenna elements. Extend or collapse until each length is 14.7 inches long. (Which is a quarter wavelength at 201MHZ). You are effectively tuning (Optimizing) your antenna specifically for that channel 19. You may need to rotate your antenna a bit to find the best signal.
There are other factors which can hinder you receiving channel 19 but this is a good starting point. Let me know what type of antenna you have. Hope this helps.
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