My phillips tv model # 55pl9773/17 sound is too low when im watching regular tv, but when i switch from tv to av1 or av2 (watching a dvd movie or playing video games) the sound is normal. How do i get my cable TV to sound the same?
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Sounds like the circuit board for the button keys in front has a shorted tactile switch causing sound to keep increasing, Replace all switches on this board or get new board. I believe it is called a HS board or very close to that.
Unfortunately, this model does not have a volume equalizer other than volume + and - . There are other models of Magnavox that have Night mode, Delta Volume, and other sound control features, but this one just doesn't have those features. Sorry.
Genericaly, there are some models of sets that have a pre-set level for the sound. Check in to the menus of the set if there is a setting for the audio level at turn on.
Some manufactures designed their sets so that the sound is at about 30% up when the set is first turned on. This is annoying. They did that because they had people turn on the set and call their tech support that their set had no sound. It turned out that the volume setting was at "0"!
We had this problem with a 28PW6515. The control would work for 30 seconds after switching on, then nothing. It was diagnosed as the "glue chip" which handles all the control functions. About £200 to fix it as it's a surface mount chip.