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Samsung SMT-C7140 HD-receiver & Personal Video Recorder. Makes occasionally irritating sound. Con not be put in stand by position for quick restarts. Sometimes TV loses sound and image for some seconds. Does it need an upgrade, if yes, how to do that?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Direct TV/Olevia 247 audio skipping

I have the same problem with comcast HD, completly useless talking to them, they do nothing to assist

Posted on Jul 01, 2008

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Agent Aaron
  • 265 Answers

SOURCE: Samsung lcd hdtv won't receive signal from fios hd receiver

Hey nothingsfree,

You may not necessarily have anything incorrectly set up, but there are a couple of things that I would suggest trying.

First, you'll want to make sure that your TV is set to the correct input source. Some TV's will require that the input source be changed in order to display any signals from an external device, like your HD-DVR. This can typically be done by accessing the main video menu using your remote control.

According to information provided by the manufacturer, you should be able to change the input source for this model TV (Samsung LN46A750) by doing the following:

* Press the "Menu" button on your remote control
* Press the "Up" or "Down" arrow button to select "Input," then press "Enter"
* Press "Enter" to edit the "Source List"
* Highlight the signal source for the HD-DVR, and press "Enter"

Next, you may want to try updating the TV's firmware. In some instances, simply updating a TV's programming can eliminate any potential hardware or software conflicts between two devices. To update the TV's firmware you will need access to a computer and a USB flash drive. Step-by-step instructions and the firmware update itself are available through the following website:

http://www.samsung.com/us/support/download/supportDown.do?group=televisions&type=televisions&subtype=lcdtv&model_nm=LN46A750R1F&language=&cate_type=all&dType=D&mType=FM&vType=L&prd_ia_cd=02010100&disp_nm=LN46A750

Make sure to read all the warnings and disclaimers available though, as your TV may already have a more up-to-date firmware version than the one that can be obtained through Samsung's support page.

Should neither of these address the issue, you may wish to see if connecting your HD-DVR to a different HDMI input solves the problem. Much like computers, TV's have been occasionally known to have faulty inputs or loose internal connections.

If all else fails, I’d suggest contacting the manufacturer for further assistance. In many cases manufacturers are able to provide over-the-phone troubleshooting support, in addition to having access to a wider variety of possible remedies for hardware problems.

Hope this helps you out.

Sincerely,
Aaron
Go Ahead. Use Us.

Posted on Jun 23, 2008

rlamkin
  • 44 Answers

SOURCE: 46" Samsung TV loses sound.

R U using HDMI? If so that be the problem.

Posted on Jul 03, 2008

  • 210 Answers

SOURCE: I need a wiring diagram to connect a samsung tv,

all you have to remember is out of one into the other IF got Ariela on house that goes into sky then out of sky in to DVD recorder and out of that and into tv

on back of sky hd if you are going to use HDMI cable put cable into sky box and other end into tv ( you will have ot put tv on HDMI input/source)
or use scart lead in stead
THIS DEPENDS ON HOW YOU WANT TO CONNECT PLAYSTATION
everything else is colour coded

Posted on Nov 08, 2009

  • 148 Answers

SOURCE: Philips 47

Hi there, they problem is not in the input to the tv (dvd/cable etc) your powerboard/videoboard is overheating! Right away place a fan as close to the back of the tv as possible, this will help cool the circuits down and might considerably prolong the usefullness of the tv..The next step in it breaking down is total powerloss, or a blinking powerlight, eitherway this is your solution;The caps (capacitors) in the powerboard are going out. This is a very common problem in all class and price ranges of modern lcd and plasma tv's/ monitor's. I don't know if this problem has been like this for awhile or it just started, but either way, if the tv takes an abnormal amount of time to "warm" up then it most likely will go out all the way sometime in the (near) future. If you have a tiny bit of will and knowledge ypou can open the unit and get to the print board. Examine this for "popped" capacitors, they will have a buldging top instead of a flat one. Im gonna try to include a pic of them here, if i can get it this time, I've tried bfore lol. But you can google image a "popped" or "bad" capacitor and you would be able, with ease, to diagnose if you have any of these. Usually only one or two. Radioshack sells capacitors (couple anyway) for $1.59 each. MAKE SURE the replacement is of the SAME voltage or HIGHER, or you will be right back replacing those 2. Every capacitor has a negative pole marked with an (-) on the side of the capacitor(by one of the "legs", always puit the negative (-) "leg" of the new capacitor in the same hole in the printboard as where the previous negative (-) "leg" of the capacitor was ( a capacitor with the negative and positive "legs" put in backwards will result in the new piece "popping" as sson as you turn it on!!) make sure the "uf" rating (for example the most common popped capacitor is the 1000 uf) is the same as the one you are replacing. I needed 1000 uf, 105 c and 26v (volt) ratings for the 1 capacitor I needed to replace to fix my LG 19" lcd panel monitor I found by the trash that the light came on off, but it didn't come on. I replaced that capacitor with ; 1000uf, 85 c and 36 v (volts0...It works fine eventhough the volts and the temperature rating (36v and 85c) was not the same as the (26v(volt) and 105c ) capacitor I removed !! Further, I've replaced capacitors that had the celcius rating of 105 with the only ones Radioshack had, namely 85 c(celsius) they have been working great, but I'm not sure about any effect, nor have I heard or read (yet?) about that making an urgent difference. Many threads that I've read people have done the same, so we should be ok (my stuff has been running good for a while longer then most brand new ones!.............(all these ratings ; 'uf ' and 'c' etc are on the side of the capacitor you are replacing and on the side of the ones you are replacing them with)...For all this all you need is the cheapest solder gun u can find (I bought one for $7.99 at Radioshack), a camera (to take pictures as you go to remember how to reassemble the unit) and, once you have your materials, 20 minutes to replace 2 or 3 capacitors and you are good to go...Most monitors and tvs (lcd/plasma) I've seen you have to lay flat on the ground/bed/blanket etc, to work on (screen side down). Usually there are 2 or 3 screws (or a few more) to remove, then you will have to carefully (its comes off easily most times)insert a flat screwdriver inbetween the casing and gently pry it up as you go around the whole frame. Sometimes you have to remove the little washer arouind the cable input orso, just be gentle and you cant go wrong. Once insidet here will be a box with wires running to the sides etc...unplug, gently, these wires and open the box. Inside you will find 2 or 3 circuitboards, check them all for "popped" capacitors, replace, reassemble and plug it in....Have fun becoming an overnight tv mechanic lol! If this helped (or not )please rate, thank you!d4195d7.jpg

Posted on Feb 04, 2010

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