Question about Yamaha 5.1-Ch. Surround Sound Home Theater Speaker System

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Sound problem with home theater speakers

The fr chanel out gives bad sound
the cen chanel out gives low sound
the cen chanel out no sound

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Change both left & right TDA7275 IC
Change all the 1uf 50v capacitors related to the IC,s

Thank you very much

contact me at

thank you again

M.Fateh Almunajed

Posted on Jul 30, 2009

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ok that didnt work
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Becasue of the way low end sound travels, if the speakers are out of phase, it will sound like the low end is significantly lower in volume that expected. Check the speaker wires to be sure that they are set up the same for both speakers. If one set has the wires backwords (+ side to - and - side to +) relative to the other, the speakers will be out of phase and cause the symptom you describe.

Let us know what you find.


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