PS-100 stopped making sound

[dan]

Hi @Rizzo and welcome to the forum!

Sorry this dropped out on stage. You have done some good debugging work, but please take this step by step and follow this list:

Power Station: Troubleshooting Guide

WON’T TURN ON Make sure AC cord is securely connected at both ends. Verify the power source with something you know works. Check the mains fuse, and replace if necessary. If it blows again, refer to qualified service personnel. NO SOUND Check input cable. Check volume controls. Make sure the amplifier volume and/or gain controls are turned up. Unplug the FX loop, check for sound. Connect a jumper cable from FX send directly to FX return; check for sound. Connect a jumper cable from Line Out d…

Also make sure you are using the top TO SPKR output, this must be used first!

If you get to the end, I would then consider swapping out the power tubes for another set if you have.