Question about Curtis-Mathis Televison & Video
Check the volume setting on the TV, then check for a speaker on/off in the menu or on the back of the TV set (it also might be labeled internal/external, since some TV set manufacturers meant their TVs for home theater).
Also, if you're using a cable or satellite set-top box, DVR, or other device, check the audio connection. If you're using HDMI, make sure that HDMI audio out is enabled on you set-top box. Switch the audio back to the normal stereo, or mono channel on your television. We can't tell you how to do this since every make and model uses a different method. In general, look for a button marked SAP or audio on your remote control. If it's not there, you will probably have to find it in the on-screen menus of your set. Of course the best way is to find your owners manual and follow the directions there. To give you a reliable diagnosis I would need to know the model of your tv and the cable supplier or what kind of box you are using.
IF: The cable box connects with your tv by one coax cable and connects into the antenna input on the tv then problem is likely in the sound detector stage of the tv.
IF2: The cable box connects to your tv by three cables; one for video and two for audio, then the problem is likely a poor cable or connector. In this case, try the audio cables into the same inputs that give good results with the dvd player. Still better; switch the dvd cables over to the cable box audio outputs and see what you are getting.
IF3: There is a loose connection or cold solder joint that is causing the poor audio with tv/cable, then try the old vibration/whacking test. Smack the set with your hand or fist in a few strategic places to see if you can restore the audio that way.
Let me know if you need more ideas.
PS: Another test; if you live anywhere near a tv transmitter, disconnect the cable and try with rabbit ears or any external antenna to see if you can get good audio from a local station. If it is bad that way, then it is certain the problem is in the sound detector stage of the tv. If the audio is good with local stations, the problem must be in the hookup between the cable box and the tv input - such as the bad cable mentioned above.
Thanks for contacting Fixya
Posted on Jun 21, 2009
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Posted on Jan 02, 2017
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