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Samsung ps50c450b Hi ive had the tv almost 3 years and now it wont show a picture or any sound. The volume seems stuck on 100 and when i turn it down it goes back to 100 by itself? I have switched off at the wall and inserted new batteries in the remote but it just says weak or no signal check the antenna cable connection. It is connected to a virgin tivo box but this has been tested and is fine. Any help much appreciated. Janet

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Weak or no signal

you would need to know if the tuner is picking up analog signals in the air well( stick a wire a little bit in the tuner connection to see if channels pick up good or use an antenna , if so there should not be a problem with the cable being hooked up to it , if there is a problem even with an antenna then the tuner is bad and will need to be replaced , and the cable could have caused it to go out , but make sure that the tuner is working or not first.

Posted on Nov 27, 2008

  • 718 Answers

SOURCE: displays weak or no signal

To get any HDTV to work this is what you have to do;
CHANNEL section
1) Connect your antenna cable which you have done.
2) Go into the menu to the source option and select AIR/ANTENNA since you are using an antenna.
3) In the menu you will have to SCAN in the stations. This auto program will find all available stations.
Now you can watch tv by selecting the station you want.
The new generation of HDTV is different from the old analog sets. These have to be set up to work.
Exact information can be found in your Users Manual.

Posted on Feb 23, 2009

SOURCE: digital - Weak or no signal digital coax when hdmi dvd player on

if u have placed your DVD next to your tv ... just maintain distance between then and check out

Posted on Apr 01, 2009

vinnyq
  • 157 Answers

SOURCE: sony bravia kdl-52w3000, turn tv on, no picture or

Most likely this is caused by a defective main board. Changing the main board will fix the issue about 95% of the time.

To be absolutely sure, the voltages need to be checked on the power supply. If they are not the values listed in the service manual, then you should replace the power supply instead (accounts for the other 5% of the time).

Posted on Oct 07, 2009

tvservice306
  • 458 Answers

SOURCE: Samsung LCD TV ''Weak or No Signal''

try swicth cable box for testing....if sam problem..need replaced tv main board

Posted on Jan 01, 2010

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