Question about Samsung TXN2745FP 27" TV

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Missing channels My TV is 3 years old. For the past 2 weeks, the reception from channels 31 thru 46 has been poor. Either bad reception, or none at all. The problem re-appears and disappears just as quickly; it's not all the same channels at the same time, either. The cable guy says the reception is fine- we tested the cable line with a 2nd TV -no problems with reception. Also, response to the remote control has been variable. Like above, it stops working, then suddenly starts again. Repeatedly pushing the TV/video button seems to help. New batteries, trying a "universal" remote- no help. Are the two problems related? Thanks for any suggestions.

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No they are not related. ur tv seems to have a defective tuner(inspect also for possible cold solder inside the tuner). remote control can be clean using a cotton swab with a little isoprophyl on it. clean the contact on the pcb.

Posted on Jan 16, 2007


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I have a BUH 49inch TV, 2 weeks old..Ive retuned it numerous times, but still unable to ge channel 3(ITV) as a perfect channel..Keep getting interference onit.

You must locate any source of interference, including any within your house . . . such as electronic appliances and computers. But tuning relates to reception and not to interference; and the TV that is immune to broadcast directionality has not been invented. You might want to try a higher, exterior antenna with directionality rotor and inside controller. First try to find out whether all Transmission antennas are colocated in you region as typically required by regulation. If not then its probable that your antenna is miss-pointed for the "degraded signal." Or some other means to rotate in inside antenna.

Mar 14, 2015 | Televison & Video

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CP185 has intermittent static, when pressing button to talk screen displays "channel busy" and battery will not keep a charge.

Could be one of several issues. A few which come to mind are:

1) You have a bad or poorly charged battery. Static is a sign of a bad or poorly charged battery. Try swapping a battery from another radio, with a known good battery and see if the problem is solve. If this resolves the issue check your battery and charger. Tip: Clean all charge contacts with a pencil eraser to ensure good charging. Also, check your 3- or 4-digit date code on the battery. If more than 2 years old, replace the battery. (4-digit date code example 1303 would be 2013 the 3rd week; on 3-digit date codes the first number is the year and the next two the week of the year.)

2) You are trying to use the radio in an area where you are experiences high RF on your frequency. This is the "busy"... someone/something is on or near your radio's frequency and interfering with transmission. Try your radio at a different location and see if the problem persists.

3) Another radio in the workgroup is stuck in transmit, causing static, and the channel busy. Turn off other radios, one at a time, and see if the problem still exists.

4) Or if you have an audio device plugged into the radio, try unplugging it and see if the problem stops. FYI: All audio devices must be plugged or unplugged with the radio shut off. If you plug one in with the radio turned on, you can experience some unexpected intermittent issues.

If none of these seem to be the problem, your radio is likely in need of repair.

Best regards.

Jan 17, 2013 | Motorola CP185 (16 Channels) Two Way Radio

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Poor reception on some digital channels

If possible either move the set to a room with no reception issue to see if same there or move another set to where this one is.

Usually a set does not have a problem if only certain channels.

Swap the set(looking for loose or damaged connection where cable crimps to fitting) if you can.

Mar 19, 2012 | Televison & Video

1 Answer

LG 42LK450 flat screen.I tried auto tuning but didn't pickup channel 31. I tried manual tuning with no result. The old style TV I had prior to this could pick up channel 31 so it isn't a reception...

If your trying to receive over the air make sure the TV is not set to a Cable mode, if your on Cable your new TV is most likely a ATSC tuner (digital) and the cable company can map channels any way they want. If your old TV had the older style cable tuner, the lineup will be different.
HDTV has level thresholds, if the signal is weak you wont see anything, but the old TV would.
Without knowing much about where or what sort of TV your using, these are my best ideas.

Oct 26, 2011 | LG 42 42LK450 42 LCD TV

1 Answer

Some channel no sound

Hello Blwas5 hi, If some channels have sound and others none, its either the TV has poor reception or, its the channel's weak signal. check them both or see if your neighbors TV acts like yours. If thy neighbor reception is good, then thy TV has poor reception, you can't do anything to fix that. get another TV with good reception qualities.

Jun 18, 2010 | Sanyo Televison & Video

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Why doesnt the lowry freeview box have itv channel 4 or 5 whats the point of selling it?

Are you in a poor signal aera? The Lowry box is shockingly bad at picking up low signals. <br /> <br /> I had lots of problems with it, including a missing/intermittant itv channel.<br /> <br /> I swapped mine for a phillips

Feb 13, 2010 | Televison & Video

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Do you have cable or satellite? Disconnect them and if you currently have free over the air TV and the same problem occurs with these channels, then there's something wrong with the TV. If the problem only occurs on channels with sat or cable connection, then there may be a faulty cable somewhere that can easily be replaced.

If the problem occurs with free channels, one solution (although a long one) would be to unplug your TV completely for about a week, this will reset the TV settings

Feb 14, 2009 | iLO Televison & Video

1 Answer

Sound and picture distorted only on lower channels

Bad tuner.......they are electronically divided in sections called
bandwidths, i.e. 2-6 , 7-13 so-on.........T.
Give accurate model # / service # for RCA part #............

Nov 06, 2007 | RCA F32450 32" TV

1 Answer

Picture quality

Which channels? Tuners are divided into bandwidths-----
2-6 is V low, 7-13 is V high and so on.If say, 2-6 acts up, but
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This solution assumes that video inputs were ok......T.

Oct 24, 2007 | Toshiba 53AX61 53" Rear Projection...

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