Question about Samsung SIR-T451 DirecTV DTV Receiver

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Samsung SIR-T451 No signal on almost all channels.

I have the same problem others have where the auto programming skips most of the stations, adds two or three but when you go to those channels, they say no signal. When you check the signal strength on the menu, there is none. I do get two channels Nick on Demand, and another Nick channel. I briefly got an MTV once but it is gone. On those channels the signal strength is the highest bar but I don't get any of the regular HDTV channels. It is hooked up to a Sony KV-36XBR400 TV. The connection is cable coaxial signal to Samsung In; Samsung out to Sony TV UHF/VHF in. I'm in Bklyn, NY so there should be signal strength all over the place for the unscrambled HDTV channels. Any suggestions?

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SOURCE: Operator manual for Samsung TV Model CI-14F1TS

I can only get channels 2 through 14.

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SOURCE: VCR/DVD & Samsung TV: "weak or no signal"

Take the VCR remote, check VCR output settings ( scart1, scart2 , RCA) and signal format (PAL) etc

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SOURCE: Channel select

are you on "air" mode not "cable"

Posted on Mar 06, 2009

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SOURCE: I have had my 40 inch Samsung LCD for

I have come across that problem about 8 times in the past, only solution to your problem is to have the main board replaced.

Posted on Jun 21, 2009

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SOURCE: Samsung 2006 hdtv. Got new hd indoor antenna, set auto program and still no channels. When I had my old tv with converter box and indoor antenna I got 8 channels. What am I doing wrong?

If the new antenna was connected correctly, it may be ng.

Posted on Jul 14, 2016

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Can't get channel 29 to come up. Tv worked fine, then now it skips to the next channel.


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I have the box installed and on. Now what do I do to get the local stations on my TV


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2 Answers

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 you must run "auto program search"/"auto store" again and let the TV find the programs. then put them in order and store. 
If you feel some channels are missing, try to find them manually. The auto store function sometimes skips programmes with less tolerant range, even if they are watchable in a fairly good quality. And search slowly and pay attention and go back if you feel you just skipped something. Good luck and lots of patience!
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I hope it was helpful

Apr 17, 2009 | Samsung Televison & Video

1 Answer

How to restore factory defaults on SIR T451 settop box?


part of losing the channels is the digital transitions. some channels may come in some may not depending on the strength while this transition takes place. resatart the receiver and run the initial set-up. make sure the not to skip the zip code part

Jan 03, 2009 | Samsung SIR-T451 DirecTV DTV Receiver

1 Answer

Program channels


TV SETTING
1. Press the MENU button.
2. Use or button to select the TV setting menu, then press or button.
3. Use or button to select the Channel no. setting and use the or button
to change from AIR (over-the-air broadcasts) to CABLE (cable/satellite broadcasts).
4. Use or button to select the Tuning mode and use the or button.
5. Use or button to select the Auto tune and press or button to
confirm the selection. The unit will immediately search through all possible TV
channels and store those channels with signals in memory. After this is complete,
the unit will switch to the first channel found.
6. To exit the MAIN MENU and return to the normal screen, press the EXIT button.
Note : In DVD mode, this option is not available.
Remarks:
1. Channel no. : 2-69 channel for Air mode, 1-125 channel for Cable mode.
2. Tuning mode : Air or Cable mode are available.
3. Auto tune : Searches for usable stations and stores them in memory.
4. Skip : ON - Skip weak channels. OFF - No channel skip.
5. Fine tune : The frequency changes to allow fine tuning.
6. AFC : Auto frequency control.
7. MTS : Select the Mono sound/Stereo sound/Secondary Audio Program (SAP).
21
TV SETUP
MTS (Multi-channel Television Sound) SETTING
This feature allows reception of sound other than the main audio for the program.
1. Press the MENU button.
2. Use or button to select the TV setting menu, then press or button.
3. Use or button to select MTS menu, and press or button to select the
options (Mono, Stereo, SAP)
4. To exit the MAIN MENU and return to the normal screen, press the EXIT button
on remote control.
Note:
• MTS only operates while in TV mode.
• The SAP (Secondary Audio Programs) feature allows a TV station to broadcast
other information, which could be audio in another language.
RESTORE SETTING
If you reset the TV to the factory settings, all your present settings on picture &
sound will be erased and replaced by the factory’s default settings. However, picture
setting in PC mode and parental setting will not be erased.

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1 Answer

No signal


reconnect the antenna and restart the receiver. then go into the menu and a run the initial setup. make sure you dont skip the zip code. it may take a moment to register all the channels

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3 Answers

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If its anything like or reciever try holding the power button for about 6 secconds and see if it does a fresh reboot.

Mar 25, 2007 | Samsung SIR-T451 DirecTV DTV Receiver

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