Directed D2400

[S Merlington]

Amp powers up relays kick on but no output any suggestions??

 

[Perry Babin]

Do you have positive and negative rail voltage?

Do you have positive and negative regulated voltage on the power supply pins of the op-amps?

Do you have a scope?

 

[S Merlington]

I have Positive and Negative rail voltges

I have both postive and negative regulated voltages

Yes i have a Scope

 

[Perry Babin]

Do you have a rail to rail square wave on all of the output transistors?