gm-3400x very low output

[lunizone]

hi there! pls help me W/my gm-3400x
the problem is my amp produced very low output
anyone can help? pls pls!

 

[Perry Babin]

Are the gains set to the highest gain?

Are you sure the signal source is producing sufficient output?

Did the problem start at once or was it intermittent for a while?

 

[lunizone]

yes the gain is set in highest.
yes the signal source is sufficent.
the problem start at once sir.

i did try to turn all the gain in highest but the problem remain in very low output.

 

[Perry Babin]

Do you have a scope?

Can you post a photo of the inside of the amp?

 

[lunizone]

ok sir, il take a picture of my amp asap.