Maker Pro
Maker Pro

CRT Tv sound issue

Mr.fix it_101

Apr 11, 2015
30
Joined
Apr 11, 2015
Messages
30
HI guys!!
I am working on a Samsung TV that is giving static sound output but no audio from the tuner. What could be the likely cause of this? picture shows well but only static sounds are heard :confused:
 

ramussons

Jun 10, 2014
462
Joined
Jun 10, 2014
Messages
462
If the picture is fine, the problem is likely to be in the audio subcarrier pickoff filter (4.5 MHz or 5.5MHz) and the following FM detector.
 

Mr.fix it_101

Apr 11, 2015
30
Joined
Apr 11, 2015
Messages
30
so How do I go about resolving it? do I replace the tuner? or the current one can be fixed?
 

Mr.fix it_101

Apr 11, 2015
30
Joined
Apr 11, 2015
Messages
30
Ok, I just replaced the tuner with a new one and the audio now works. but I would have liked to know if the old one was repairable, and how to do it. But thank you @ramussons for the response, it helped
 

davenn

Moderator
Sep 5, 2009
14,254
Joined
Sep 5, 2009
Messages
14,254
well done :)

with a bit of work and a decent oscilloscope you may find the fault with the old tuner unit
 
Top