Help STK 4122 mute circuit

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artvipinosa

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Joined 2011
Masters

Need your help ....

i got a my circuit on a sony stereo.. i just take the amplifier and power supply circuit..

i cannot make it work... here are some pictures..

An externally hosted image should be here but it was not working when we last tested it.


An externally hosted image should be here but it was not working when we last tested it.


An externally hosted image should be here but it was not working when we last tested it.


what am i doin wrong... do i have to make a mute circuit and connect to that pin? or is it ok to left it.... and if i need a mute circuit does this circuit worth to try...

An externally hosted image should be here but it was not working when we last tested it.


Uploaded with ImageShack.us


need your help.....

thank you
 
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