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Re: Sound probleme with au-117

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Posted by Sten on April 19, 2005 at 09:07:22:

In Reply to: Sound probleme with au-117 posted by JP on April 19, 2005 at 06:18:39:

: Hy everybody.
: I've a old sansui au-117(year 1978) which have problem of sound in the right chanel:there is sound but it's poor and like with overdrive, the left is perfect.
: I have change the place of the transistors sb507 and sd313 with no results.Can it be the 2 Elna caps(4700f_35v_85c)?
: The electronics parts seems to be.
: Please give me some ways to go.
: Excuse my language caus i'm french guy.
: By!!

If you mean the caps of 4700uF in power supply so would even the channel bad. You have to trace the signal from input to output in order to locate where it goes bad. You can compare left channel with right channel and see where its different in voltage. A schematic would be a great help. You can find the sercice manual with all information for settings and it also contain the schematic. Click on link below.

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