Question about Directv Televison & Video
All wires are connected, not loose worked before
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Posted on Jan 02, 2017
SOURCE: no audio on select channels
Go into the TV's menu and see what type of audio mode its set on. If it says sap turn on to stereo or mono. If it says stereo, set to mono. Also try to unplug set for 12 to 24 hours.
Posted on Sep 04, 2006
Seems like this was already answered? But once you've checked against the owner's manual and ruled out the PC, I would suspect the signal / video board inside the monitor. May have gotten a surge or static, etc.
Posted on Jan 12, 2007
SOURCE: female coax connector in tv bad?
Did the cable person take a reading on the signal level at the cable outlet on the wall and did the cable person check the TV setting to make sure they are correct. TV could be set on the wrong channel also.
Posted on Nov 09, 2007
The aspect ratio (zoom) button on the cable remote had been changed. On Brighthouse the # button toggles through the zoom settings. It's not a tv issue, it's a cable fix.
Posted on May 30, 2008
Hello stevenkgray and ADIMEN,
I think what has happened is the your TVs are out of focus which could be due to a voltage problem. First I would warn you that this is a problem in the High voltage section of your TV and caution should be taken, in fact I would suggest that if you do not have a background in electronics that you get the TV checked and fix by a qualified TV repair technician. However if you do have a background the next few lines will make sense and you might be able to effect these repairs yourself.
Items needed for troubleshooting:
High Voltage probe (40Kv)
Universal Video Analyzer (UVA)
1) Unplug the TV and take the back off of it
2) connect the UVA to the tuner F connector and setup the UVA to send a test pattern into the TV
3) Power the TV back up and turn to the channel set on the UVA
4) check the anode voltage on the CRT with the HV probe (connected to the Multimeter set to volts and grounded) and compare it to the voltage on the schematic.
5) If the voltage is not right adjust the focus and screen controls on the Integrated High Voltage Transformer (IHVT) to obtain the proper voltage.
6) Check the pattern to see if it is still fuzzy.
If the pattern is still fuzzy you may have to inspect/replace the IHVT and or its associative circuitry.
If you suspect that the IHVT is bad you can perform a ring test on the transformer using the UVA. (The instructions on how to do this are on the UVA quick steps pull out. or the instructions can be looked up on the web.
I hope this helps
Posted on Jul 04, 2008
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