how to Know if my lm3886 is faulty

[nickalpha]

i bought 2 lm3886 from a local store here in Jamaica. when i assembly my circuit using perfboard i am not getting any sound and the dc offset is 18 volts could this be a faulty chip

 

[adason]

No need to start two threads.

 

[nickalpha]

Just a bit confuse

been try to make it work over three weeks now an still nothing

 

[tomchr]

Would you be able to post a schematic? It's hard to help you without one.

Tom