M800 Troubleshoot

[DeeBattery]

I have signal when bypassed but nothing when the pedal is engaged. I checked the voltage coming in but after that I'm not sure where to start. Any help is always appreciated. The multimeter is ready

 

[Popnfreshbass]

Where did you get your j201’s? You’ve biased them already?

 

[Mcknib]

Your R4, R6 and 7 look like 470 ohms not 470 K ohms might be the light but

First thing to do is check all your component values and orientation are correct

You can check resistors by colour band here

Sam's Tech Library

samstechlib.com

 

[giovanni]

That’s a good catch!