I have a good picture, but no sound. Is the audio just out, or is there a fix for it. I've tried the usual, turning it on and off, checking to be sure it isn't on MUTE, etc. The number on the back is SST4191, but your website is not accepting that.
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The problem is in the vertical deflection circuits which is responsible for giving a full picture. Since the set is 8 years old the money would be better spent on a new tv since more frequent break downs in other parts of the set would be more likely due to age.
Sounds like your Output Transistor has blown. I would suggest you take to your nearest TV repair person. Will most likely cost between £30 to £50...
!.This is not a job you should carry out yourself. As you are dealing with High voltage, even when TV is turned off.!
Hope this helps
These tv does have loose of audio problems im concern about looseing picture . Try unplugging tv for 5 minutes it will reset tv very common fix for audio. Tv that are less then a year old are sometimes covered under new warr call manufacture on that.
There is a microprocessor on these that lockup and when you unplug it. it resets it.
I have a tv shop and have helped customers get exchanges under a year especially if you complain
This problem sounds like a short inside the picture tube itself unless a driver transistor failed that drives the red gun in the CRT. You may have to take it to an authorized repair facility if the picture tube is still in warranty.
your problem is in sound section only.
1 signal line for sound coming from vif section
2 supply to audio section.
3 component fail in audio output section.
4 loose contact in audio section
5 speakr & its connecting wire.